Release 1.6.372

Code created and graciously provided by Christopher Fitzgerald

Alc/ALc.c

@@ -26,20 +26,28 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <memory.h>
+#include <ctype.h>
 #include "alMain.h"
+#include "alSource.h"
 #include "AL/al.h"
 #include "AL/alc.h"
+#include "alThunk.h"
+#include "alSource.h"
+#include "alBuffer.h"
+#include "alExtension.h"
+#include "alAuxEffectSlot.h"
+#include "bs2b.h"
 
 ///////////////////////////////////////////////////////
 // DEBUG INFORMATION
 
-char szDebug[256];
+char _alDebug[256];
 
 ///////////////////////////////////////////////////////
 
 
 #define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
-struct {
+static struct {
     const char *name;
     void (*Init)(BackendFuncs*);
     BackendFuncs Funcs;
@@ -50,6 +58,9 @@ struct {
 #ifdef HAVE_OSS
     { "oss", alc_oss_init, EmptyFuncs },
 #endif
+#ifdef HAVE_SOLARIS
+    { "solaris", alc_solaris_init, EmptyFuncs },
+#endif
 #ifdef HAVE_DSOUND
     { "dsound", alcDSoundInit, EmptyFuncs },
 #endif
@@ -57,35 +68,27 @@ struct {
     { "winmm", alcWinMMInit, EmptyFuncs },
 #endif
 
+    { "wave", alc_wave_init, EmptyFuncs },
+
     { NULL, NULL, EmptyFuncs }
 };
 #undef EmptyFuncs
 
 ///////////////////////////////////////////////////////
 
+#define ALC_EFX_MAJOR_VERSION                              0x20001
+#define ALC_EFX_MINOR_VERSION                              0x20002
+#define ALC_MAX_AUXILIARY_SENDS                            0x20003
 
 ///////////////////////////////////////////////////////
 // STRING and EXTENSIONS
 
-typedef struct ALCextension_struct
-{
-    ALCchar        *extName;
-    ALvoid        *address;
-} ALCextension;
-
 typedef struct ALCfunction_struct
 {
     ALCchar        *funcName;
     ALvoid        *address;
 } ALCfunction;
 
-static ALCextension alcExtensions[] = {
-    { "ALC_ENUMERATE_ALL_EXT", (ALvoid *) NULL },
-    { "ALC_ENUMERATION_EXT",   (ALvoid *) NULL },
-    { "ALC_EXT_CAPTURE",       (ALvoid *) NULL },
-    { NULL,                    (ALvoid *) NULL }
-};
-
 static ALCfunction  alcFunctions[] = {
     { "alcCreateContext",           (ALvoid *) alcCreateContext         },
     { "alcMakeContextCurrent",      (ALvoid *) alcMakeContextCurrent    },
@@ -132,9 +135,14 @@ static ALenums enumeration[]={
     { (ALchar *)"ALC_MONO_SOURCES",                     ALC_MONO_SOURCES                    },
     { (ALchar *)"ALC_STEREO_SOURCES",                   ALC_STEREO_SOURCES                  },
     { (ALchar *)"ALC_CAPTURE_DEVICE_SPECIFIER",         ALC_CAPTURE_DEVICE_SPECIFIER        },
-    { (ALchar *)"ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER", ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER },
+    { (ALchar *)"ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER", ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER},
     { (ALchar *)"ALC_CAPTURE_SAMPLES",                  ALC_CAPTURE_SAMPLES                 },
 
+    // EFX Properties
+    { (ALchar *)"ALC_EFX_MAJOR_VERSION",                ALC_EFX_MAJOR_VERSION               },
+    { (ALchar *)"ALC_EFX_MINOR_VERSION",                ALC_EFX_MINOR_VERSION               },
+    { (ALchar *)"ALC_MAX_AUXILIARY_SENDS",              ALC_MAX_AUXILIARY_SENDS             },
+
     // ALC Error Message
     { (ALchar *)"ALC_NO_ERROR",                         ALC_NO_ERROR                        },
     { (ALchar *)"ALC_INVALID_DEVICE",                   ALC_INVALID_DEVICE                  },
@@ -162,16 +170,24 @@ static ALCchar *alcDefaultAllDeviceSpecifier = alcAllDeviceList;
 static ALCchar *alcCaptureDefaultDeviceSpecifier = alcCaptureDeviceList;
 
 
-static ALCchar alcExtensionList[] = "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE";
+static ALCchar alcExtensionList[] = "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE ALC_EXT_EFX";
 static ALCint alcMajorVersion = 1;
 static ALCint alcMinorVersion = 1;
 
+static ALCint alcEFXMajorVersion = 1;
+static ALCint alcEFXMinorVersion = 0;
+
 ///////////////////////////////////////////////////////
 
 
 ///////////////////////////////////////////////////////
 // Global Variables
 
+static ALCdevice *g_pDeviceList = NULL;
+static ALCuint    g_ulDeviceCount = 0;
+
+static CRITICAL_SECTION g_csMutex;
+
 // Context List
 static ALCcontext *g_pContextList = NULL;
 static ALCuint     g_ulContextCount = 0;
@@ -179,21 +195,69 @@ static ALCuint     g_ulContextCount = 0;
 // Context Error
 static ALCenum g_eLastContextError = ALC_NO_ERROR;
 
+static ALboolean init_done = AL_FALSE;
+
 ///////////////////////////////////////////////////////
 
 
 ///////////////////////////////////////////////////////
 // ALC Related helper functions
+#ifdef _WIN32
+BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
+{
+    (void)lpReserved;
+
+    // Perform actions based on the reason for calling.
+    switch(ul_reason_for_call)
+    {
+        case DLL_PROCESS_ATTACH:
+            DisableThreadLibraryCalls(hModule);
+            break;
+
+        case DLL_PROCESS_DETACH:
+            if(!init_done)
+                break;
+            ReleaseALC();
+            ReleaseALBuffers();
+            ReleaseALEffects();
+            ReleaseALFilters();
+            FreeALConfig();
+            ALTHUNK_EXIT();
+            DeleteCriticalSection(&g_csMutex);
+            break;
+    }
+    return TRUE;
+}
+#else
+#ifdef HAVE_GCC_DESTRUCTOR
+static void my_deinit() __attribute__((destructor));
+static void my_deinit()
+{
+    static ALenum once = AL_FALSE;
+    if(once || !init_done) return;
+    once = AL_TRUE;
+
+    ReleaseALC();
+    ReleaseALBuffers();
+    ReleaseALEffects();
+    ReleaseALFilters();
+    FreeALConfig();
+    ALTHUNK_EXIT();
+    DeleteCriticalSection(&g_csMutex);
+}
+#endif
+#endif
 
 static void InitAL(void)
 {
-    static int done = 0;
-    if(!done)
+    if(!init_done)
     {
         int i;
-        const char *devs;
+        const char *devs, *str;
 
-        InitializeCriticalSection(&g_mutex);
+        init_done = AL_TRUE;
+
+        InitializeCriticalSection(&g_csMutex);
         ALTHUNK_INIT();
         ReadALConfig();
 
@@ -239,31 +303,82 @@ static void InitAL(void)
 
         for(i = 0;BackendList[i].Init;i++)
             BackendList[i].Init(&BackendList[i].Funcs);
-        done = 1;
+
+        str = GetConfigValue(NULL, "stereodup", "false");
+        DuplicateStereo = (strcasecmp(str, "true") == 0 ||
+                           strcasecmp(str, "yes") == 0 ||
+                           strcasecmp(str, "on") == 0 ||
+                           atoi(str) != 0);
+
+        str = GetConfigValue(NULL, "excludefx", "");
+        if(str[0])
+        {
+            const struct {
+                const char *name;
+                int type;
+            } EffectList[] = {
+                { "reverb", REVERB },
+                { NULL, 0 }
+            };
+            int n;
+            size_t len;
+            const char *next = str;
+
+            do {
+                str = next;
+                next = strchr(str, ',');
+
+                if(!str[0] || next == str)
+                    continue;
+
+                len = (next ? ((size_t)(next-str)) : strlen(str));
+                for(n = 0;EffectList[n].name;n++)
+                {
+                    if(len == strlen(EffectList[n].name) &&
+                       strncmp(EffectList[n].name, str, len) == 0)
+                        DisabledEffects[EffectList[n].type] = AL_TRUE;
+                }
+            } while(next++);
+        }
     }
 }
 
 ALCchar *AppendDeviceList(char *name)
 {
-    static int pos;
+    static size_t pos;
     ALCchar *ret = alcDeviceList+pos;
-    pos += snprintf(alcDeviceList+pos, sizeof(alcDeviceList)-pos, "%s", name) + 1;
+    if(pos >= sizeof(alcDeviceList))
+    {
+        AL_PRINT("Not enough room to add %s!\n", name);
+        return alcDeviceList + sizeof(alcDeviceList) - 1;
+    }
+    pos += snprintf(alcDeviceList+pos, sizeof(alcDeviceList)-pos-1, "%s", name) + 1;
     return ret;
 }
 
 ALCchar *AppendAllDeviceList(char *name)
 {
-    static int pos;
+    static size_t pos;
     ALCchar *ret = alcAllDeviceList+pos;
-    pos += snprintf(alcAllDeviceList+pos, sizeof(alcAllDeviceList)-pos, "%s", name) + 1;
+    if(pos >= sizeof(alcAllDeviceList))
+    {
+        AL_PRINT("Not enough room to add %s!\n", name);
+        return alcAllDeviceList + sizeof(alcAllDeviceList) - 1;
+    }
+    pos += snprintf(alcAllDeviceList+pos, sizeof(alcAllDeviceList)-pos-1, "%s", name) + 1;
     return ret;
 }
 
 ALCchar *AppendCaptureDeviceList(char *name)
 {
-    static int pos;
+    static size_t pos;
     ALCchar *ret = alcCaptureDeviceList+pos;
-    pos += snprintf(alcCaptureDeviceList+pos, sizeof(alcCaptureDeviceList)-pos, "%s", name) + 1;
+    if(pos >= sizeof(alcCaptureDeviceList))
+    {
+        AL_PRINT("Not enough room to add %s!\n", name);
+        return alcCaptureDeviceList + sizeof(alcCaptureDeviceList) - 1;
+    }
+    pos += snprintf(alcCaptureDeviceList+pos, sizeof(alcCaptureDeviceList)-pos-1, "%s", name) + 1;
     return ret;
 }
 
@@ -303,7 +418,7 @@ ALCvoid SetALCError(ALenum errorCode)
 ALCvoid SuspendContext(ALCcontext *pContext)
 {
     (void)pContext;
-    EnterCriticalSection(&g_mutex);
+    EnterCriticalSection(&g_csMutex);
 }
 
 
@@ -315,7 +430,7 @@ ALCvoid SuspendContext(ALCcontext *pContext)
 ALCvoid ProcessContext(ALCcontext *pContext)
 {
     (void)pContext;
-    LeaveCriticalSection(&g_mutex);
+    LeaveCriticalSection(&g_csMutex);
 }
 
 
@@ -326,8 +441,11 @@ ALCvoid ProcessContext(ALCcontext *pContext)
 */
 static ALvoid InitContext(ALCcontext *pContext)
 {
+    int level;
+
     //Initialise listener
     pContext->Listener.Gain = 1.0f;
+    pContext->Listener.MetersPerUnit = 1.0f;
     pContext->Listener.Position[0] = 0.0f;
     pContext->Listener.Position[1] = 0.0f;
     pContext->Listener.Position[2] = 0.0f;
@@ -357,7 +475,15 @@ static ALvoid InitContext(ALCcontext *pContext)
     pContext->lNumStereoSources = 1;
     pContext->lNumMonoSources = pContext->Device->MaxNoOfSources - pContext->lNumStereoSources;
 
-    strcpy(pContext->ExtensionList, "AL_EXT_EXPONENT_DISTANCE AL_EXT_LINEAR_DISTANCE AL_EXT_OFFSET");
+    pContext->ExtensionList = "AL_EXTX_buffer_sub_data AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 AL_EXT_IMA4 AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_OFFSET AL_LOKI_quadriphonic";
+
+    level = GetConfigValueInt(NULL, "cf_level", 0);
+    if(level > 0 && level <= 6)
+    {
+        pContext->bs2b = calloc(1, sizeof(*pContext->bs2b));
+        bs2b_set_srate(pContext->bs2b, pContext->Frequency);
+        bs2b_set_level(pContext->bs2b, level);
+    }
 }
 
 
@@ -368,29 +494,12 @@ static ALvoid InitContext(ALCcontext *pContext)
 */
 static ALCvoid ExitContext(ALCcontext *pContext)
 {
-    unsigned int i;
-    ALsource *ALSource;
-    ALsource *ALTempSource;
-
-#ifdef _DEBUG
-    if (pContext->SourceCount>0)
-        AL_PRINT("alcDestroyContext() %d Source(s) NOT deleted\n", pContext->SourceCount);
-#endif
-
-    // Free all the Sources still remaining
-    ALSource = pContext->Source;
-    for (i = 0; i < pContext->SourceCount; i++)
-    {
-        ALTempSource = ALSource->next;
-        ALTHUNK_REMOVEENTRY(ALSource->source);
-        memset(ALSource, 0, sizeof(ALsource));
-        free(ALSource);
-        ALSource = ALTempSource;
-    }
-
     //Invalidate context
     pContext->LastError = AL_NO_ERROR;
     pContext->InUse = AL_FALSE;
+
+    free(pContext->bs2b);
+    pContext->bs2b = NULL;
 }
 
 ///////////////////////////////////////////////////////
@@ -409,39 +518,46 @@ ALCAPI ALCdevice* ALCAPIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, AL
 
     InitAL();
 
+    if(SampleSize <= 0)
+    {
+        SetALCError(ALC_INVALID_VALUE);
+        return NULL;
+    }
+
+    if(deviceName && !deviceName[0])
+        deviceName = NULL;
+
     pDevice = malloc(sizeof(ALCdevice));
     if (pDevice)
     {
-        if (SampleSize > 0)
+        //Initialise device structure
+        memset(pDevice, 0, sizeof(ALCdevice));
+
+        //Validate device
+        pDevice->IsCaptureDevice = AL_TRUE;
+
+        pDevice->Frequency = frequency;
+        pDevice->Format = format;
+
+        for(i = 0;BackendList[i].Init;i++)
         {
-            //Initialise device structure
-            memset(pDevice, 0, sizeof(ALCdevice));
-
-            //Validate device
-            pDevice->InUse = AL_TRUE;
-            pDevice->IsCaptureDevice = AL_TRUE;
-
-            pDevice->Frequency = frequency;
-            pDevice->Format = format;
-            pDevice->Channels = aluChannelsFromFormat(format);
-            pDevice->FrameSize = aluBytesFromFormat(format) *
-                                 pDevice->Channels;
-
-            for(i = 0;BackendList[i].Init;i++)
+            pDevice->Funcs = &BackendList[i].Funcs;
+            if(ALCdevice_OpenCapture(pDevice, deviceName, frequency, format, SampleSize))
             {
-                pDevice->Funcs = &BackendList[i].Funcs;
-                if(ALCdevice_OpenCapture(pDevice, deviceName, frequency, format, SampleSize))
-                {
-                    DeviceFound = ALC_TRUE;
-                    break;
-                }
+                SuspendContext(NULL);
+                pDevice->next = g_pDeviceList;
+                g_pDeviceList = pDevice;
+                g_ulDeviceCount++;
+                ProcessContext(NULL);
+
+                DeviceFound = ALC_TRUE;
+                break;
             }
         }
-        else
-            SetALCError(ALC_INVALID_VALUE);
 
         if(!DeviceFound)
         {
+            SetALCError(ALC_INVALID_VALUE);
             free(pDevice);
             pDevice = NULL;
         }
@@ -455,9 +571,21 @@ ALCAPI ALCdevice* ALCAPIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, AL
 ALCAPI ALCboolean ALCAPIENTRY alcCaptureCloseDevice(ALCdevice *pDevice)
 {
     ALCboolean bReturn = ALC_FALSE;
+    ALCdevice **list;
 
     if ((pDevice)&&(pDevice->IsCaptureDevice))
     {
+        SuspendContext(NULL);
+
+        list = &g_pDeviceList;
+        while(*list != pDevice)
+            list = &(*list)->next;
+
+        *list = (*list)->next;
+        g_ulDeviceCount--;
+
+        ProcessContext(NULL);
+
         ALCdevice_CloseCapture(pDevice);
         free(pDevice);
 
@@ -665,13 +793,34 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
                         *data = alcMinorVersion;
                     break;
 
+                case ALC_EFX_MAJOR_VERSION:
+                    if(!size)
+                        SetALCError(ALC_INVALID_VALUE);
+                    else
+                        *data = alcEFXMajorVersion;
+                    break;
+
+                case ALC_EFX_MINOR_VERSION:
+                    if(!size)
+                        SetALCError(ALC_INVALID_VALUE);
+                    else
+                        *data = alcEFXMinorVersion;
+                    break;
+
+                case ALC_MAX_AUXILIARY_SENDS:
+                    if(!size)
+                        SetALCError(ALC_INVALID_VALUE);
+                    else
+                        *data = MAX_SENDS;
+                    break;
+
                 case ALC_ATTRIBUTES_SIZE:
                     if(!device)
                         SetALCError(ALC_INVALID_DEVICE);
                     else if(!size)
                         SetALCError(ALC_INVALID_VALUE);
                     else
-                        *data = 11;
+                        *data = 12;
                     break;
 
                 case ALC_ALL_ATTRIBUTES:
@@ -687,19 +836,22 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
                         data[i++] = device->Frequency;
 
                         data[i++] = ALC_REFRESH;
-                        data[i++] = device->UpdateFreq;
+                        data[i++] = device->Frequency / device->UpdateSize;
 
                         data[i++] = ALC_SYNC;
                         data[i++] = ALC_FALSE;
 
                         SuspendContext(NULL);
-                        if(device->Context && size >= 11)
+                        if(device->Context && size >= 12)
                         {
                             data[i++] = ALC_MONO_SOURCES;
                             data[i++] = device->Context->lNumMonoSources;
 
                             data[i++] = ALC_STEREO_SOURCES;
                             data[i++] = device->Context->lNumStereoSources;
+
+                            data[i++] = ALC_MAX_AUXILIARY_SENDS;
+                            data[i++] = MAX_SENDS;
                         }
                         ProcessContext(NULL);
 
@@ -722,7 +874,7 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
                     else if(!size)
                         SetALCError(ALC_INVALID_VALUE);
                     else
-                        *data = device->UpdateFreq;
+                        *data = device->Frequency / device->UpdateSize;
                     break;
 
                 case ALC_SYNC:
@@ -734,6 +886,24 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
                         *data = ALC_FALSE;
                     break;
 
+                case ALC_MONO_SOURCES:
+                    if(!device || !device->Context)
+                        SetALCError(ALC_INVALID_DEVICE);
+                    else if (size != 1)
+                        SetALCError(ALC_INVALID_VALUE);
+                    else
+                        *data = device->Context->lNumMonoSources;
+                    break;
+
+                case ALC_STEREO_SOURCES:
+                    if(!device || !device->Context)
+                        SetALCError(ALC_INVALID_DEVICE);
+                    else if (size != 1)
+                        SetALCError(ALC_INVALID_VALUE);
+                    else
+                        *data = device->Context->lNumStereoSources;
+                    break;
+
                 default:
                     SetALCError(ALC_INVALID_ENUM);
                     break;
@@ -755,18 +925,31 @@ ALCAPI ALCvoid ALCAPIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsize
 ALCAPI ALCboolean ALCAPIENTRY alcIsExtensionPresent(ALCdevice *device, const ALCchar *extName)
 {
     ALCboolean bResult = ALC_FALSE;
-    ALsizei i = 0;
 
     (void)device;
 
     if (extName)
     {
-        while(alcExtensions[i].extName &&
-              strcasecmp(alcExtensions[i].extName,extName) != 0)
-            i++;
+        const char *ptr;
+        size_t len;
 
-        if (alcExtensions[i].extName)
-            bResult = ALC_TRUE;
+        len = strlen(extName);
+        ptr = alcExtensionList;
+        while(ptr && *ptr)
+        {
+            if(strncasecmp(ptr, extName, len) == 0 &&
+               (ptr[len] == '\0' || isspace(ptr[len])))
+            {
+                bResult = ALC_TRUE;
+                break;
+            }
+            if((ptr=strchr(ptr, ' ')) != NULL)
+            {
+                do {
+                    ++ptr;
+                } while(isspace(*ptr));
+            }
+        }
     }
     else
         SetALCError(ALC_INVALID_VALUE);
@@ -906,6 +1089,8 @@ ALCAPI ALCvoid ALCAPIENTRY alcDestroyContext(ALCcontext *context)
 {
     ALCcontext **list;
 
+    InitAL();
+
     // Lock context list
     SuspendContext(NULL);
 
@@ -914,6 +1099,9 @@ ALCAPI ALCvoid ALCAPIENTRY alcDestroyContext(ALCcontext *context)
         // Lock context
         SuspendContext(context);
 
+        ReleaseALSources(context);
+        ReleaseALAuxiliaryEffectSlots(context);
+
         context->Device->Context = NULL;
 
         list = &g_pContextList;
@@ -948,6 +1136,8 @@ ALCAPI ALCcontext * ALCAPIENTRY alcGetCurrentContext(ALCvoid)
 {
     ALCcontext *pContext = NULL;
 
+    InitAL();
+
     SuspendContext(NULL);
 
     pContext = g_pContextList;
@@ -969,6 +1159,8 @@ ALCAPI ALCdevice* ALCAPIENTRY alcGetContextsDevice(ALCcontext *pContext)
 {
     ALCdevice *pDevice = NULL;
 
+    InitAL();
+
     SuspendContext(NULL);
     if (IsContext(pContext))
         pDevice = pContext->Device;
@@ -990,6 +1182,8 @@ ALCAPI ALCboolean ALCAPIENTRY alcMakeContextCurrent(ALCcontext *context)
     ALCcontext *ALContext;
     ALboolean bReturn = AL_TRUE;
 
+    InitAL();
+
     SuspendContext(NULL);
 
     // context must be a valid Context or NULL
@@ -1034,6 +1228,9 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
 
     InitAL();
 
+    if(deviceName && !deviceName[0])
+        deviceName = NULL;
+
     device = malloc(sizeof(ALCdevice));
     if (device)
     {
@@ -1043,7 +1240,6 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
         memset(device, 0, sizeof(ALCdevice));
 
         //Validate device
-        device->InUse = AL_TRUE;
         device->IsCaptureDevice = AL_FALSE;
 
         //Set output format
@@ -1055,20 +1251,16 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
         if(fmt[0])
             device->Format = alGetEnumValue(fmt);
 
-        device->Channels = aluChannelsFromFormat(device->Format);
-        if(!device->Channels)
-        {
+        if(!aluChannelsFromFormat(device->Format))
             device->Format = AL_FORMAT_STEREO16;
-            device->Channels = 2;
-            device->FrameSize = 4;
-        }
-        else
-            device->FrameSize = aluBytesFromFormat(device->Format) *
-                                device->Channels;
 
-        device->UpdateFreq = GetConfigValueInt(NULL, "refresh", 0);
-        if((ALint)device->UpdateFreq <= 0)
-            device->UpdateFreq = 8192 * device->Frequency / 22050;
+        device->UpdateSize = GetConfigValueInt(NULL, "refresh", 4096);
+        if((ALint)device->UpdateSize <= 0)
+            device->UpdateSize = 4096;
+
+        device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
+        if((ALint)device->MaxNoOfSources <= 0)
+            device->MaxNoOfSources = 256;
 
         // Find a playback device to open
         for(i = 0;BackendList[i].Init;i++)
@@ -1076,6 +1268,12 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
             device->Funcs = &BackendList[i].Funcs;
             if(ALCdevice_OpenPlayback(device, deviceName))
             {
+                SuspendContext(NULL);
+                device->next = g_pDeviceList;
+                g_pDeviceList = device;
+                g_ulDeviceCount++;
+                ProcessContext(NULL);
+
                 bDeviceFound = AL_TRUE;
                 break;
             }
@@ -1084,10 +1282,13 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
         if (!bDeviceFound)
         {
             // No suitable output device found
+            SetALCError(ALC_INVALID_VALUE);
             free(device);
             device = NULL;
         }
     }
+    else
+        SetALCError(ALC_OUT_OF_MEMORY);
 
     return device;
 }
@@ -1101,9 +1302,28 @@ ALCAPI ALCdevice* ALCAPIENTRY alcOpenDevice(const ALCchar *deviceName)
 ALCAPI ALCboolean ALCAPIENTRY alcCloseDevice(ALCdevice *pDevice)
 {
     ALCboolean bReturn = ALC_FALSE;
+    ALCdevice **list;
 
     if ((pDevice)&&(!pDevice->IsCaptureDevice))
     {
+        SuspendContext(NULL);
+
+        list = &g_pDeviceList;
+        while(*list != pDevice)
+            list = &(*list)->next;
+
+        *list = (*list)->next;
+        g_ulDeviceCount--;
+
+        ProcessContext(NULL);
+
+        if(pDevice->Context)
+        {
+#ifdef _DEBUG
+            AL_PRINT("alcCloseDevice(): destroying 1 Context\n");
+#endif
+            alcDestroyContext(pDevice->Context);
+        }
         ALCdevice_ClosePlayback(pDevice);
 
         //Release device structure
@@ -1117,4 +1337,22 @@ ALCAPI ALCboolean ALCAPIENTRY alcCloseDevice(ALCdevice *pDevice)
 
     return bReturn;
 }
+
+
+ALCvoid ReleaseALC(ALCvoid)
+{
+#ifdef _DEBUG
+    if(g_ulDeviceCount > 0)
+        AL_PRINT("exit(): closing %u Device%s\n", g_ulDeviceCount, (g_ulDeviceCount>1)?"s":"");
+#endif
+
+    while(g_pDeviceList)
+    {
+        if(g_pDeviceList->IsCaptureDevice)
+            alcCaptureCloseDevice(g_pDeviceList);
+        else
+            alcCloseDevice(g_pDeviceList);
+    }
+}
+
 ///////////////////////////////////////////////////////

Alc/alcConfig.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>
@@ -25,6 +27,11 @@
 
 #include "alMain.h"
 
+#ifdef _WIN32
+#define _WIN32_IE 0x400
+#include <shlobj.h>
+#endif
+
 typedef struct ConfigEntry {
     char *key;
     char *value;
@@ -199,8 +206,26 @@ void ReadALConfig(void)
     cfgCount = 1;
 
 #ifdef _WIN32
+    if(SHGetSpecialFolderPathA(NULL, buffer, CSIDL_APPDATA, FALSE) != FALSE)
+    {
+        int p = strlen(buffer);
+        snprintf(buffer+p, sizeof(buffer)-p, "\\alsoft.ini");
+        f = fopen(buffer, "rt");
+        if(f)
+        {
+            LoadConfigFromFile(f);
+            fclose(f);
+        }
+    }
 #else
-    f = fopen("/etc/openal/config", "r");
+    f = fopen("/etc/openal/alsoft.conf", "r");
+    if(!f)
+    {
+        f = fopen("/etc/openal/config", "r");
+        if(f)
+            AL_PRINT("Reading /etc/openal/config; this file is deprecated\n"
+                     "\tPlease rename it to /etc/openal/alsoft.conf\n");
+    }
     if(f)
     {
         LoadConfigFromFile(f);
@@ -208,8 +233,16 @@ void ReadALConfig(void)
     }
     if(getenv("HOME") && *(getenv("HOME")))
     {
-        snprintf(buffer, sizeof(buffer), "%s/.openalrc", getenv("HOME"));
+        snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", getenv("HOME"));
         f = fopen(buffer, "r");
+        if(!f)
+        {
+            snprintf(buffer, sizeof(buffer), "%s/.openalrc", getenv("HOME"));
+            f = fopen(buffer, "r");
+            if(f)
+                AL_PRINT("Reading ~/.openalrc; this file is deprecated\n"
+                         "\tPlease rename it to ~/.alsoftrc\n");
+        }
         if(f)
         {
             LoadConfigFromFile(f);
@@ -217,6 +250,15 @@ void ReadALConfig(void)
         }
     }
 #endif
+    if(getenv("ALSOFT_CONF"))
+    {
+        f = fopen(getenv("ALSOFT_CONF"), "r");
+        if(f)
+        {
+            LoadConfigFromFile(f);
+            fclose(f);
+        }
+    }
 }
 
 void FreeALConfig(void)

Alc/alcReverb.c

@@ -0,0 +1,559 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 2008 by Christopher Fitzgerald.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "alMain.h"
+#include "alAuxEffectSlot.h"
+#include "alEffect.h"
+#include "alReverb.h"
+
+#ifdef HAVE_SQRTF
+#define aluSqrt(x) ((ALfloat)sqrtf((float)(x)))
+#else
+#define aluSqrt(x) ((ALfloat)sqrt((double)(x)))
+#endif
+
+// fixes for mingw32.
+#if defined(max) && !defined(__max)
+#define __max max
+#endif
+#if defined(min) && !defined(__min)
+#define __min min
+#endif
+
+typedef struct DelayLine
+{
+    // The delay lines use lengths that are powers of 2 to allow bitmasking
+    // instead of modulus wrapping.
+    ALuint   Mask;
+    ALfloat *Line;
+} DelayLine;
+
+struct ALverbState
+{
+    // All delay lines are allocated as a single buffer to reduce memory
+    // fragmentation and teardown code.
+    ALfloat  *SampleBuffer;
+    // Master reverb gain.
+    ALfloat   Gain;
+    // Initial reverb delay.
+    DelayLine Delay;
+    // The tap points for the initial delay.  First tap goes to early
+    // reflections, the second to late reverb.
+    ALuint    Tap[2];
+    struct {
+        // Gain for early reflections.
+        ALfloat   Gain;
+        // Early reflections are done with 4 delay lines.
+        ALfloat   Coeff[4];
+        DelayLine Delay[4];
+        ALuint    Offset[4];
+    } Early;
+    struct {
+        // Gain for late reverb.
+        ALfloat   Gain;
+        // Diffusion of late reverb.
+        ALfloat   Diffusion;
+        // Late reverb is done with 8 delay lines.
+        ALfloat   Coeff[8];
+        DelayLine Delay[8];
+        ALuint    Offset[8];
+        // The input and last 4 delay lines are low-pass filtered.
+        ALfloat   LpCoeff[5];
+        ALfloat   LpSample[5];
+    } Late;
+    ALuint Offset;
+};
+
+// All delay line lengths are specified in seconds.
+
+// The length of the initial delay line (a sum of the maximum delay before
+// early reflections and late reverb; 0.3 + 0.1).
+static const ALfloat MASTER_LINE_LENGTH = 0.4000f;
+
+// The lengths of the early delay lines.
+static const ALfloat EARLY_LINE_LENGTH[4] =
+{
+    0.0015f, 0.0045f, 0.0135f, 0.0405f
+};
+
+// The lengths of the late delay lines.
+static const ALfloat LATE_LINE_LENGTH[8] =
+{
+    0.0015f, 0.0037f, 0.0093f, 0.0234f,
+    0.0100f, 0.0150f, 0.0225f, 0.0337f
+};
+
+// The last 4 late delay lines have a variable length dependent on the effect
+// density parameter and this multiplier.
+static const ALfloat LATE_LINE_MULTIPLIER = 9.0f;
+
+static ALuint NextPowerOf2(ALuint value)
+{
+    ALuint powerOf2 = 1;
+
+    if(value)
+    {
+        value--;
+        while(value)
+        {
+            value >>= 1;
+            powerOf2 <<= 1;
+        }
+    }
+    return powerOf2;
+}
+
+// Basic delay line input/output routines.
+static __inline ALfloat DelayLineOut(DelayLine *Delay, ALuint offset)
+{
+    return Delay->Line[offset&Delay->Mask];
+}
+
+static __inline ALvoid DelayLineIn(DelayLine *Delay, ALuint offset, ALfloat in)
+{
+    Delay->Line[offset&Delay->Mask] = in;
+}
+
+// Delay line output routine for early reflections.
+static __inline ALfloat EarlyDelayLineOut(ALverbState *State, ALuint index)
+{
+    return State->Early.Coeff[index] *
+           DelayLineOut(&State->Early.Delay[index],
+                        State->Offset - State->Early.Offset[index]);
+}
+
+// Given an input sample, this function produces a decorrelated stereo output
+// for early reflections.
+static __inline ALvoid EarlyReflection(ALverbState *State, ALfloat in, ALfloat *out)
+{
+    ALfloat d[4], v, f[4];
+
+    // Obtain the decayed results of each early delay line.
+    d[0] = EarlyDelayLineOut(State, 0);
+    d[1] = EarlyDelayLineOut(State, 1);
+    d[2] = EarlyDelayLineOut(State, 2);
+    d[3] = EarlyDelayLineOut(State, 3);
+
+    /* The following uses a lossless scattering junction from waveguide
+     * theory.  It actually amounts to a householder mixing matrix, which
+     * will produce a maximally diffuse response, and means this can probably
+     * be considered a simple FDN.
+     *          N
+     *         ---
+     *         \
+     * v = 2/N /   di
+     *         ---
+     *         i=1
+     */
+    v = (d[0] + d[1] + d[2] + d[3]) * 0.5f;
+    // The junction is loaded with the input here.
+    v += in;
+
+    // Calculate the feed values for the delay lines.
+    f[0] = v - d[0];
+    f[1] = v - d[1];
+    f[2] = v - d[2];
+    f[3] = v - d[3];
+
+    // Refeed the delay lines.
+    DelayLineIn(&State->Early.Delay[0], State->Offset, f[0]);
+    DelayLineIn(&State->Early.Delay[1], State->Offset, f[1]);
+    DelayLineIn(&State->Early.Delay[2], State->Offset, f[2]);
+    DelayLineIn(&State->Early.Delay[3], State->Offset, f[3]);
+
+    // To decorrelate the output for stereo separation, the two outputs are
+    // obtained from the inner delay lines.
+    // Output is instant by using the inputs to them instead of taking the
+    // result of the two delay lines directly (f[0] and f[3] instead of d[1]
+    // and d[2]).
+    out[0] = State->Early.Gain * f[0];
+    out[1] = State->Early.Gain * f[3];
+}
+
+// Delay line output routine for late reverb.
+static __inline ALfloat LateDelayLineOut(ALverbState *State, ALuint index)
+{
+    return State->Late.Coeff[index] *
+           DelayLineOut(&State->Late.Delay[index],
+                        State->Offset - State->Late.Offset[index]);
+}
+
+// Low-pass filter input/output routine for late reverb.
+static __inline ALfloat LateLowPassInOut(ALverbState *State, ALuint index, ALfloat in)
+{
+    State->Late.LpSample[index] = in + ((State->Late.LpSample[index] - in) *
+                                        State->Late.LpCoeff[index]);
+    return State->Late.LpSample[index];
+}
+
+// Given an input sample, this function produces a decorrelated stereo output
+// for late reverb.
+static __inline ALvoid LateReverb(ALverbState *State, ALfloat in, ALfloat *out)
+{
+    ALfloat din, d[8], v, dv, f[8];
+
+    // Since the input will be sent directly to the output as in the early
+    // reflections function, it needs to take into account some immediate
+    // absorption.
+    in = LateLowPassInOut(State, 0, in);
+
+    // When diffusion is full, no input is directly passed to the variable-
+    // length delay lines (the last 4).
+    din = (1.0f - State->Late.Diffusion) * in;
+
+    // Obtain the decayed results of the fixed-length delay lines.
+    d[0] = LateDelayLineOut(State, 0);
+    d[1] = LateDelayLineOut(State, 1);
+    d[2] = LateDelayLineOut(State, 2);
+    d[3] = LateDelayLineOut(State, 3);
+    // Obtain the decayed and low-pass filtered results of the variable-
+    // length delay lines.
+    d[4] = LateLowPassInOut(State, 1, LateDelayLineOut(State, 4));
+    d[5] = LateLowPassInOut(State, 2, LateDelayLineOut(State, 5));
+    d[6] = LateLowPassInOut(State, 3, LateDelayLineOut(State, 6));
+    d[7] = LateLowPassInOut(State, 4, LateDelayLineOut(State, 7));
+
+    // The waveguide formula used in the early reflections function works
+    // great for high diffusion, but it is not obviously paramerized to allow
+    // a variable diffusion.  With only limited time and resources, what
+    // follows is the best variation of that formula I could come up with.
+    // First, there are 8 delay lines used.  The first 4 are fixed-length and
+    // generate the highest density of the diffuse response.  The last 4 are
+    // variable-length, and are used to smooth out the diffuse response.  The
+    // density effect parameter alters their length.  The inner two delay
+    // lines of each group have their signs reversed (more about this later).
+    v = (d[0] - d[1] - d[2] + d[3] +
+         d[4] - d[5] - d[6] + d[7]) * 0.25f;
+    // Diffusion is applied as a reduction of the junction pressure for all
+    // branches.  This presents two problems.  When the diffusion factor (0
+    // to 1) reaches 0.5, the average feed value is reduced (the junction
+    // becomes lossy).  Thus, at 0.5 the signal decays almost twice as fast
+    // as it should.  The second problem is the introduction of some
+    // resonant frequencies (coloration).  The reversed signs above are used
+    // to help combat some of the coloration by adding variations along the
+    // feed cycle.
+    v *= State->Late.Diffusion;
+    // Load the junction with the input.  To reduce the noticeable echo of
+    // the longer delay lines (the variable-length ones) the input is loaded
+    // with the inverse of the effect diffusion.  So at full diffusion, the
+    // input is not applied to the last 4 delay lines.  Input signs reversed
+    // to balance the equation.
+    dv = v + din;
+    v += in;
+
+    // As with the reversed signs above, to balance the equation the signs
+    // need to be reversed here, too.
+    f[0] = d[0] - v;
+    f[1] = d[1] + v;
+    f[2] = d[2] + v;
+    f[3] = d[3] - v;
+    f[4] = d[4] - dv;
+    f[5] = d[5] + dv;
+    f[6] = d[6] + dv;
+    f[7] = d[7] - dv;
+
+    // Feed the fixed-length delay lines with their own cycle (0 -> 1 -> 3 ->
+    // 2 -> 0...).
+    DelayLineIn(&State->Late.Delay[0], State->Offset, f[2]);
+    DelayLineIn(&State->Late.Delay[1], State->Offset, f[0]);
+    DelayLineIn(&State->Late.Delay[2], State->Offset, f[3]);
+    DelayLineIn(&State->Late.Delay[3], State->Offset, f[1]);
+    // Feed the variable-length delay lines with their cycle (4 -> 6 -> 7 ->
+    // 5 -> 4...).
+    DelayLineIn(&State->Late.Delay[4], State->Offset, f[5]);
+    DelayLineIn(&State->Late.Delay[5], State->Offset, f[7]);
+    DelayLineIn(&State->Late.Delay[6], State->Offset, f[4]);
+    DelayLineIn(&State->Late.Delay[7], State->Offset, f[6]);
+
+    // Output is derived from the values fed to the inner two variable-length
+    // delay lines (5 and 6).
+    out[0] = State->Late.Gain * f[7];
+    out[1] = State->Late.Gain * f[4];
+}
+
+// This creates the reverb state.  It should be called only when the reverb
+// effect is loaded into a slot that doesn't already have a reverb effect.
+ALverbState *VerbCreate(ALCcontext *Context)
+{
+    ALverbState *State = NULL;
+    ALuint length[13], totalLength, index;
+
+    State = malloc(sizeof(ALverbState));
+    if(!State)
+        return NULL;
+
+    // All line lengths are powers of 2, calculated from the line timings and
+    // the addition of an extra sample (for safety).
+    length[0] = NextPowerOf2((ALuint)(MASTER_LINE_LENGTH*Context->Frequency) + 1);
+    totalLength = length[0];
+    for(index = 0;index < 4;index++)
+    {
+        length[1+index] = NextPowerOf2((ALuint)(EARLY_LINE_LENGTH[index]*Context->Frequency) + 1);
+        totalLength += length[1+index];
+    }
+    for(index = 0;index < 4;index++)
+    {
+        length[5+index] = NextPowerOf2((ALuint)(LATE_LINE_LENGTH[index]*Context->Frequency) + 1);
+        totalLength += length[5+index];
+    }
+    for(index = 4;index < 8;index++)
+    {
+        length[5+index] = NextPowerOf2((ALuint)(LATE_LINE_LENGTH[index]*(1.0f + LATE_LINE_MULTIPLIER)*Context->Frequency) + 1);
+        totalLength += length[5+index];
+    }
+
+    // They all share a single sample buffer.
+    State->SampleBuffer = malloc(totalLength * sizeof(ALfloat));
+    if(!State->SampleBuffer)
+    {
+        free(State);
+        return NULL;
+    }
+    for(index = 0; index < totalLength;index++)
+        State->SampleBuffer[index] = 0.0f;
+
+    // Each one has its mask and start address calculated one time.
+    State->Gain = 0.0f;
+    State->Delay.Mask = length[0] - 1;
+    State->Delay.Line = &State->SampleBuffer[0];
+    totalLength = length[0];
+
+    State->Tap[0] = 0;
+    State->Tap[1] = 0;
+
+    State->Early.Gain = 0.0f;
+    // All fixed-length delay lines have their read-write offsets calculated
+    // one time.
+    for(index = 0;index < 4;index++)
+    {
+        State->Early.Coeff[index] = 0.0f;
+        State->Early.Delay[index].Mask = length[1 + index] - 1;
+        State->Early.Delay[index].Line = &State->SampleBuffer[totalLength];
+        totalLength += length[1 + index];
+
+        State->Early.Offset[index] = (ALuint)(EARLY_LINE_LENGTH[index] * Context->Frequency);
+    }
+
+    State->Late.Gain = 0.0f;
+    State->Late.Diffusion = 0.0f;
+    for(index = 0;index < 8;index++)
+    {
+        State->Late.Coeff[index] = 0.0f;
+        State->Late.Delay[index].Mask = length[5 + index] - 1;
+        State->Late.Delay[index].Line = &State->SampleBuffer[totalLength];
+        totalLength += length[5 + index];
+
+        State->Late.Offset[index] = 0;
+        if(index < 4)
+        {
+            State->Late.Offset[index] = (ALuint)(LATE_LINE_LENGTH[index] * Context->Frequency);
+            State->Late.LpCoeff[index] = 0.0f;
+            State->Late.LpSample[index] = 0.0f;
+        }
+        else if(index == 4)
+        {
+            State->Late.LpCoeff[index] = 0.0f;
+            State->Late.LpSample[index] = 0.0f;
+        }
+    }
+
+    State->Offset = 0;
+    return State;
+}
+
+// This destroys the reverb state.  It should be called only when the effect
+// slot has a different (or no) effect loaded over the reverb effect.
+ALvoid VerbDestroy(ALverbState *State)
+{
+    if(State)
+    {
+        free(State->SampleBuffer);
+        State->SampleBuffer = NULL;
+        free(State);
+    }
+}
+
+// This updates the reverb state.  This is called any time the reverb effect
+// is loaded into a slot.
+ALvoid VerbUpdate(ALCcontext *Context, ALeffectslot *Slot, ALeffect *Effect)
+{
+    ALverbState *State = Slot->ReverbState;
+    ALuint index, index2;
+    ALfloat length, lpcoeff, cw, g;
+    ALfloat hfRatio = Effect->Reverb.DecayHFRatio;
+
+    // Calculate the master gain (from the slot and master reverb gain).
+    State->Gain = Slot->Gain * Effect->Reverb.Gain;
+
+    // Calculate the initial delay taps.
+    length = Effect->Reverb.ReflectionsDelay;
+    State->Tap[0] = (ALuint)(length * Context->Frequency);
+    length += Effect->Reverb.LateReverbDelay;
+    State->Tap[1] = (ALuint)(length * Context->Frequency);
+
+    // Calculate the early reflections gain.  Right now this uses a gain of
+    // 0.75 to compensate for the increase in density.  It should probably
+    // use a power (RMS) based measurement from the resulting distribution of
+    // early delay lines.
+    State->Early.Gain = Effect->Reverb.ReflectionsGain * 0.75f;
+
+    // Calculate the gain (coefficient) for each early delay line.
+    for(index = 0;index < 4;index++)
+        State->Early.Coeff[index] = pow(10.0f, EARLY_LINE_LENGTH[index] /
+                                               Effect->Reverb.LateReverbDelay *
+                                               -60.0f / 20.0f);
+
+    // Calculate the late reverb gain, adjusted by density, diffusion, and
+    // decay time.  To be accurate, the adjustments should probably use power
+    // measurements for each contribution, but they are not too bad as they
+    // are.
+    State->Late.Gain = Effect->Reverb.LateReverbGain *
+                       (0.45f + (0.55f * Effect->Reverb.Density)) *
+                       (1.0f - (0.25f * Effect->Reverb.Diffusion)) *
+                       (1.0f - (0.025f * Effect->Reverb.DecayTime));
+    State->Late.Diffusion = Effect->Reverb.Diffusion;
+
+    // The EFX specification does not make it clear whether the air
+    // absorption parameter should always take effect.  Both Generic Software
+    // and Generic Hardware only apply it when HF limit is flagged, so that's
+    // what is done here.
+    // If the HF limit parameter is flagged, calculate an appropriate limit
+    // based on the air absorption parameter.
+    if(Effect->Reverb.DecayHFLimit && Effect->Reverb.AirAbsorptionGainHF < 1.0f)
+    {
+        ALfloat limitRatio;
+
+        // The following is my best guess at how to limit the HF ratio by the
+        // air absorption parameter.
+        // For each of the last 4 delays, find the attenuation due to air
+        // absorption in dB (converting delay time to meters using the speed
+        // of sound).  Then reversing the decay equation, solve for HF ratio.
+        // The delay length is cancelled out of the equation, so it can be
+        // calculated once for all lines.
+        limitRatio = 1.0f / (log10(Effect->Reverb.AirAbsorptionGainHF) *
+                             SPEEDOFSOUNDMETRESPERSEC *
+                             Effect->Reverb.DecayTime / -60.0f * 20.0f);
+        // Need to limit the result to a minimum of 0.1, just like the HF
+        // ratio parameter.
+        limitRatio = __max(limitRatio, 0.1f);
+
+        // Using the limit calculated above, apply the upper bound to the
+        // HF ratio.
+        hfRatio = __min(hfRatio, limitRatio);
+    }
+
+    cw = cos(2.0f*3.141592654f * LOWPASSFREQCUTOFF / Context->Frequency);
+
+    for(index = 0;index < 8;index++)
+    {
+        // Calculate the length (in seconds) of each delay line.
+        length = LATE_LINE_LENGTH[index];
+        if(index >= 4)
+        {
+            // Calculate the delay offset for the variable-length delay
+            // lines.
+            length *= 1.0f + (Effect->Reverb.Density * LATE_LINE_MULTIPLIER);
+            State->Late.Offset[index] = (ALuint)(length * Context->Frequency);
+        }
+        // Calculate the gain (coefficient) for each line.
+        State->Late.Coeff[index] = pow(10.0f, length / Effect->Reverb.DecayTime *
+                                              -60.0f / 20.0f);
+        if(index >= 4)
+        {
+            index2 = index - 3;
+
+            // Calculate the decay equation for each low-pass filter.
+            g = pow(10.0f, length / (Effect->Reverb.DecayTime * hfRatio) *
+                           -60.0f / 20.0f) /
+                State->Late.Coeff[index];
+            g  = __max(g, 0.1f);
+            g *= g;
+            // Calculate the gain (coefficient) for each low-pass filter.
+            lpcoeff = 0.0f;
+            if(g < 0.9999f) // 1-epsilon
+                lpcoeff = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
+
+            // Very low decay times will produce minimal output, so apply an
+            // upper bound to the coefficient.
+            State->Late.LpCoeff[index2] = __min(lpcoeff, 0.98f);
+        }
+    }
+
+    // This just calculates the coefficient for the late reverb input low-
+    // pass filter.  It is calculated based the average (hence -30 instead
+    // of -60) length of the inner two variable-length delay lines.
+    length = LATE_LINE_LENGTH[5] * (1.0f + Effect->Reverb.Density * LATE_LINE_MULTIPLIER) +
+             LATE_LINE_LENGTH[6] * (1.0f + Effect->Reverb.Density * LATE_LINE_MULTIPLIER);
+
+    g = pow(10.0f, ((length / (Effect->Reverb.DecayTime * hfRatio))-
+                    (length / Effect->Reverb.DecayTime)) * -30.0f / 20.0f);
+    g  = __max(g, 0.1f);
+    g *= g;
+
+    lpcoeff = 0.0f;
+    if(g < 0.9999f) // 1-epsilon
+        lpcoeff = (1 - g*cw - aluSqrt(2*g*(1-cw) - g*g*(1 - cw*cw))) / (1 - g);
+
+    State->Late.LpCoeff[0] = __min(lpcoeff, 0.98f);
+}
+
+// This processes the reverb state, given the input samples and an output
+// buffer.
+ALvoid VerbProcess(ALverbState *State, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[OUTPUTCHANNELS])
+{
+    ALuint index;
+    ALfloat in, early[2], late[2], out[2];
+
+    for(index = 0;index < SamplesToDo;index++)
+    {
+        // Feed the initial delay line.
+        DelayLineIn(&State->Delay, State->Offset, SamplesIn[index]);
+
+        // Calculate the early reflection from the first delay tap.
+        in = DelayLineOut(&State->Delay, State->Offset - State->Tap[0]);
+        EarlyReflection(State, in, early);
+
+        // Calculate the late reverb from the second delay tap.
+        in = DelayLineOut(&State->Delay, State->Offset - State->Tap[1]);
+        LateReverb(State, in, late);
+
+        // Mix early reflections and late reverb.
+        out[0] = State->Gain * (early[0] + late[0]);
+        out[1] = State->Gain * (early[1] + late[1]);
+
+        // Step all delays forward one sample.
+        State->Offset++;
+
+        // Output the results.
+        SamplesOut[index][FRONT_LEFT]  += out[0];
+        SamplesOut[index][FRONT_RIGHT] += out[1];
+        SamplesOut[index][SIDE_LEFT]   += out[0];
+        SamplesOut[index][SIDE_RIGHT]  += out[1];
+        SamplesOut[index][BACK_LEFT]   += out[0];
+        SamplesOut[index][BACK_RIGHT]  += out[1];
+    }
+}

Alc/alcRing.c

@@ -0,0 +1,123 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "alMain.h"
+
+
+struct RingBuffer {
+    ALubyte *mem;
+
+    ALsizei frame_size;
+    ALsizei length;
+    ALint read_pos;
+    ALint write_pos;
+
+    CRITICAL_SECTION cs;
+};
+
+
+RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length)
+{
+    RingBuffer *ring = calloc(1, sizeof(*ring));
+    if(ring)
+    {
+        ring->frame_size = frame_size;
+        ring->length = length+1;
+        ring->write_pos = 1;
+        ring->mem = malloc((length+1)*frame_size);
+        if(!ring->mem)
+        {
+            free(ring);
+            ring = NULL;
+        }
+
+        InitializeCriticalSection(&ring->cs);
+    }
+    return ring;
+}
+
+void DestroyRingBuffer(RingBuffer *ring)
+{
+    if(ring)
+    {
+        DeleteCriticalSection(&ring->cs);
+        free(ring->mem);
+        free(ring);
+    }
+}
+
+ALsizei RingBufferSize(RingBuffer *ring)
+{
+    ALsizei s;
+
+    EnterCriticalSection(&ring->cs);
+    s = (ring->write_pos-ring->read_pos-1+ring->length) % ring->length;
+    LeaveCriticalSection(&ring->cs);
+
+    return s;
+}
+
+void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len)
+{
+    int remain = ring->length - ring->write_pos;
+
+    EnterCriticalSection(&ring->cs);
+
+    if((ring->read_pos-ring->write_pos+ring->length)%ring->length < len)
+        ring->read_pos = (ring->write_pos+len) % ring->length;
+
+    if(remain < len)
+    {
+        memcpy(ring->mem+(ring->write_pos*ring->frame_size), data, remain*ring->frame_size);
+        memcpy(ring->mem, data+(remain*ring->frame_size), (len-remain)*ring->frame_size);
+    }
+    else
+        memcpy(ring->mem+(ring->write_pos*ring->frame_size), data, len*ring->frame_size);
+
+    ring->write_pos += len;
+    ring->write_pos %= ring->length;
+
+    LeaveCriticalSection(&ring->cs);
+}
+
+void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len)
+{
+    int remain = ring->length - ring->read_pos;
+
+    EnterCriticalSection(&ring->cs);
+
+    if(remain < len)
+    {
+        memcpy(data, ring->mem+(ring->read_pos*ring->frame_size), remain*ring->frame_size);
+        memcpy(data+(remain*ring->frame_size), ring->mem, (len-remain)*ring->frame_size);
+    }
+    else
+        memcpy(data, ring->mem+(ring->read_pos*ring->frame_size), len*ring->frame_size);
+
+    ring->read_pos += len;
+    ring->read_pos %= ring->length;
+
+    LeaveCriticalSection(&ring->cs);
+}

Alc/alcThread.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 
 #include "alMain.h"
@@ -26,8 +28,6 @@
 
 #ifdef _WIN32
 
-#include <windows.h>
-
 typedef struct {
     ALuint (*func)(ALvoid*);
     ALvoid *ptr;
@@ -47,13 +47,14 @@ static DWORD CALLBACK StarterFunc(void *ptr)
 
 ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
 {
+    DWORD dummy;
     ThreadInfo *inf = malloc(sizeof(ThreadInfo));
     if(!inf) return 0;
 
     inf->func = func;
     inf->ptr = ptr;
 
-    inf->thread = CreateThread(NULL, 0, StarterFunc, inf, 0, NULL);
+    inf->thread = CreateThread(NULL, 0, StarterFunc, inf, 0, &dummy);
     if(!inf->thread)
     {
         free(inf);
@@ -70,6 +71,7 @@ ALuint StopThread(ALvoid *thread)
 
     WaitForSingleObject(inf->thread, INFINITE);
     GetExitCodeThread(inf->thread, &ret);
+    CloseHandle(inf->thread);
 
     free(inf);
 
@@ -83,22 +85,21 @@ ALuint StopThread(ALvoid *thread)
 typedef struct {
     ALuint (*func)(ALvoid*);
     ALvoid *ptr;
+    ALuint ret;
     pthread_t thread;
 } ThreadInfo;
 
 static void *StarterFunc(void *ptr)
 {
     ThreadInfo *inf = (ThreadInfo*)ptr;
-    ALint ret;
-
-    ret = inf->func(inf->ptr);
-    return (void*)ret;
+    inf->ret = inf->func(inf->ptr);
+    return NULL;
 }
 
 ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
 {
     ThreadInfo *inf = malloc(sizeof(ThreadInfo));
-    if(!inf) return 0;
+    if(!inf) return NULL;
 
     inf->func = func;
     inf->ptr = ptr;
@@ -114,12 +115,14 @@ ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
 ALuint StopThread(ALvoid *thread)
 {
     ThreadInfo *inf = thread;
-    void *ret;
+    ALuint ret;
+
+    pthread_join(inf->thread, NULL);
+    ret = inf->ret;
 
-    pthread_join(inf->thread, &ret);
     free(inf);
 
-    return (ALuint)ret;
+    return ret;
 }
 
 #endif

Alc/alsa.c

@@ -36,7 +36,14 @@
 typedef struct {
     snd_pcm_t *pcmHandle;
     snd_pcm_format_t format;
-    int killNow;
+
+    ALvoid *buffer;
+    ALsizei size;
+
+    RingBuffer *ring;
+    int doCapture;
+
+    volatile int killNow;
     ALvoid *thread;
 } alsa_data;
 
@@ -63,15 +70,21 @@ MAKE_FUNC(snd_pcm_hw_params_set_rate_near);
 MAKE_FUNC(snd_pcm_hw_params_set_rate);
 MAKE_FUNC(snd_pcm_hw_params_set_buffer_size_near);
 MAKE_FUNC(snd_pcm_hw_params_set_buffer_size_min);
+MAKE_FUNC(snd_pcm_hw_params_get_buffer_size);
+MAKE_FUNC(snd_pcm_hw_params_get_period_size);
+MAKE_FUNC(snd_pcm_hw_params_get_access);
 MAKE_FUNC(snd_pcm_hw_params);
 MAKE_FUNC(snd_pcm_prepare);
 MAKE_FUNC(snd_pcm_start);
 MAKE_FUNC(snd_pcm_resume);
+MAKE_FUNC(snd_pcm_wait);
 MAKE_FUNC(snd_pcm_state);
 MAKE_FUNC(snd_pcm_avail_update);
 MAKE_FUNC(snd_pcm_areas_silence);
 MAKE_FUNC(snd_pcm_mmap_begin);
 MAKE_FUNC(snd_pcm_mmap_commit);
+MAKE_FUNC(snd_pcm_readi);
+MAKE_FUNC(snd_pcm_writei);
 MAKE_FUNC(snd_pcm_drain);
 MAKE_FUNC(snd_pcm_info_malloc);
 MAKE_FUNC(snd_pcm_info_free);
@@ -95,27 +108,23 @@ MAKE_FUNC(snd_card_next);
 
 static DevMap allDevNameMap[MAX_ALL_DEVICES];
 static ALCchar *alsaDeviceList[MAX_DEVICES];
-static ALCchar *alsaCaptureDeviceList[MAX_DEVICES];
+static DevMap allCaptureDevNameMap[MAX_ALL_DEVICES];
 
 static int xrun_recovery(snd_pcm_t *handle, int err)
 {
     if (err == -EPIPE)
     {    /* under-run */
         err = psnd_pcm_prepare(handle);
-        if(err >= 0)
-            err = psnd_pcm_start(handle);
         if (err < 0)
             AL_PRINT("prepare failed: %s\n", psnd_strerror(err));
     }
     else if (err == -ESTRPIPE)
     {
         while ((err = psnd_pcm_resume(handle)) == -EAGAIN)
-            usleep(1);       /* wait until the suspend flag is released */
+            Sleep(1);       /* wait until the suspend flag is released */
         if (err < 0)
         {
             err = psnd_pcm_prepare(handle);
-            if(err >= 0)
-                err = psnd_pcm_start(handle);
             if (err < 0)
                 AL_PRINT("prepare failed: %s\n", psnd_strerror(err));
         }
@@ -171,7 +180,19 @@ static ALuint ALSAProc(ALvoid *ptr)
         // make sure there's frames to process
         if(avail == 0)
         {
-            usleep(1000);
+            if(state != SND_PCM_STATE_RUNNING)
+            {
+                err = psnd_pcm_start(data->pcmHandle);
+                if(err < 0)
+                    err = xrun_recovery(data->pcmHandle, err);
+                if(err < 0)
+                {
+                    AL_PRINT("start failed: %s\n", psnd_strerror(err));
+                    break;
+                }
+            }
+            else if(psnd_pcm_wait(data->pcmHandle, 1000) == 0)
+                AL_PRINT("Wait timeout... buffer size too low?\n");
             continue;
         }
 
@@ -210,66 +231,107 @@ static ALuint ALSAProc(ALvoid *ptr)
     return 0;
 }
 
-static void fill_silence(snd_pcm_t *pcmHandle, snd_pcm_format_t alsaFormat, int channels)
+static ALuint ALSANoMMapProc(ALvoid *ptr)
 {
-    const snd_pcm_channel_area_t *areas = NULL;
-    snd_pcm_sframes_t avail, commitres;
-    snd_pcm_uframes_t offset, frames;
-    int err;
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    alsa_data *data = (alsa_data*)pDevice->ExtraData;
+    snd_pcm_sframes_t avail;
+    char *WritePtr;
 
-    avail = psnd_pcm_avail_update(pcmHandle);
-    if(avail < 0)
+    while(!data->killNow)
     {
-        err = xrun_recovery(pcmHandle, avail);
-        if (err < 0)
-        {
-            AL_PRINT("available update failed: %s\n", psnd_strerror(err));
-            return;
-        }
-    }
+        SuspendContext(NULL);
+        aluMixData(pDevice->Context, data->buffer, data->size, pDevice->Format);
+        ProcessContext(NULL);
 
-    // it is possible that contiguous areas are smaller, thus we use a loop
-    while (avail > 0)
-    {
-        frames = avail;
-
-        err = psnd_pcm_mmap_begin(pcmHandle, &areas, &offset, &frames);
-        if (err < 0)
+        WritePtr = data->buffer;
+        avail = (snd_pcm_uframes_t)data->size / psnd_pcm_frames_to_bytes(data->pcmHandle, 1);
+        while(avail > 0)
         {
-            err = xrun_recovery(pcmHandle, err);
-            if (err < 0)
+            int ret = psnd_pcm_writei(data->pcmHandle, WritePtr, avail);
+            switch (ret)
             {
-                AL_PRINT("mmap begin error: %s\n", psnd_strerror(err));
+            case -EAGAIN:
+                continue;
+            case -ESTRPIPE:
+                while((ret=psnd_pcm_resume(data->pcmHandle)) == -EAGAIN)
+                    Sleep(1);
+                break;
+            case -EPIPE:
+                break;
+            default:
+                if (ret >= 0)
+                {
+                    WritePtr += psnd_pcm_frames_to_bytes(data->pcmHandle, ret);
+                    avail -= ret;
+                }
                 break;
             }
-            continue;
+            if (ret < 0)
+            {
+                ret = psnd_pcm_prepare(data->pcmHandle);
+                if(ret < 0)
+                    break;
+            }
         }
-
-        psnd_pcm_areas_silence(areas, offset, channels, frames, alsaFormat);
-
-        commitres = psnd_pcm_mmap_commit(pcmHandle, offset, frames);
-        if (commitres < 0 || (commitres-frames) != 0)
-        {
-            AL_PRINT("mmap commit error: %s\n",
-                     psnd_strerror(commitres >= 0 ? -EPIPE : commitres));
-            break;
-        }
-
-        avail -= frames;
     }
+
+    return 0;
+}
+
+static ALuint ALSANoMMapCaptureProc(ALvoid *ptr)
+{
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    alsa_data *data = (alsa_data*)pDevice->ExtraData;
+    snd_pcm_sframes_t avail;
+
+    while(!data->killNow)
+    {
+        avail = (snd_pcm_uframes_t)data->size / psnd_pcm_frames_to_bytes(data->pcmHandle, 1);
+        avail = psnd_pcm_readi(data->pcmHandle, data->buffer, avail);
+        switch(avail)
+        {
+            case -EAGAIN:
+                continue;
+            case -ESTRPIPE:
+                while((avail=psnd_pcm_resume(data->pcmHandle)) == -EAGAIN)
+                    Sleep(1);
+                break;
+            case -EPIPE:
+                break;
+            default:
+                if (avail >= 0 && data->doCapture)
+                    WriteRingBuffer(data->ring, data->buffer, avail);
+                break;
+        }
+        if(avail < 0)
+        {
+            avail = psnd_pcm_prepare(data->pcmHandle);
+            if(avail < 0)
+                AL_PRINT("prepare error: %s\n", psnd_strerror(avail));
+        }
+    }
+
+    return 0;
 }
 
 static ALCboolean alsa_open_playback(ALCdevice *device, const ALCchar *deviceName)
 {
     snd_pcm_uframes_t bufferSizeInFrames;
     snd_pcm_hw_params_t *p = NULL;
+    snd_pcm_access_t access;
     unsigned int periods;
     alsa_data *data;
     char driver[64];
+    const char *str;
+    int allowmmap;
     char *err;
     int i;
 
-    strncpy(driver, GetConfigValue("alsa", "default", "default"), sizeof(driver)-1);
+    if(!alsa_handle)
+        return ALC_FALSE;
+
+    strncpy(driver, GetConfigValue("alsa", "device", "default"), sizeof(driver)-1);
     driver[sizeof(driver)-1] = 0;
     if(deviceName)
     {
@@ -308,7 +370,7 @@ open_alsa:
     i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
     if(i < 0)
     {
-        usleep(200000);
+        Sleep(200);
         i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
     }
     if(i >= 0)
@@ -324,16 +386,12 @@ open_alsa:
         return ALC_FALSE;
     }
 
-    switch(device->Format)
+    switch(aluBytesFromFormat(device->Format))
     {
-        case AL_FORMAT_MONO8:
-        case AL_FORMAT_STEREO8:
-        case AL_FORMAT_QUAD8:
+        case 1:
             data->format = SND_PCM_FORMAT_U8;
             break;
-        case AL_FORMAT_MONO16:
-        case AL_FORMAT_STEREO16:
-        case AL_FORMAT_QUAD16:
+        case 2:
             data->format = SND_PCM_FORMAT_S16;
             break;
         default:
@@ -341,23 +399,28 @@ open_alsa:
             AL_PRINT("Unknown format?! %x\n", device->Format);
     }
 
-    periods = GetConfigValueInt("alsa", "periods", 4);
-    if((int)periods <= 0)
-        periods = 4;
-    bufferSizeInFrames = device->UpdateFreq;
+    periods = GetConfigValueInt("alsa", "periods", 0);
+    bufferSizeInFrames = device->UpdateSize;
+
+    str = GetConfigValue("alsa", "mmap", "true");
+    allowmmap = (strcasecmp(str, "true") == 0 ||
+                 strcasecmp(str, "yes") == 0 ||
+                 strcasecmp(str, "on") == 0 ||
+                 atoi(str) != 0);
 
     psnd_pcm_hw_params_malloc(&p);
 #define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
     /* start with the largest configuration space possible */
     if(!(ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") &&
          /* set interleaved access */
-         ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access") &&
+         ((allowmmap && ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access")) ||
+          ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED), "set access")) &&
          /* set format (implicitly sets sample bits) */
          ok(psnd_pcm_hw_params_set_format(data->pcmHandle, p, data->format), "set format") &&
          /* set channels (implicitly sets frame bits) */
-         ok(psnd_pcm_hw_params_set_channels(data->pcmHandle, p, device->Channels), "set channels") &&
+         ok(psnd_pcm_hw_params_set_channels(data->pcmHandle, p, aluChannelsFromFormat(device->Format)), "set channels") &&
          /* set periods (implicitly constrains period/buffer parameters) */
-         ok(psnd_pcm_hw_params_set_periods_near(data->pcmHandle, p, &periods, NULL), "set periods near") &&
+         (!periods || ok(psnd_pcm_hw_params_set_periods_near(data->pcmHandle, p, &periods, NULL), "set periods near")) &&
          /* set rate (implicitly constrains period/buffer parameters) */
          ok(psnd_pcm_hw_params_set_rate_near(data->pcmHandle, p, &device->Frequency, NULL), "set rate near") &&
          /* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
@@ -372,36 +435,65 @@ open_alsa:
         return ALC_FALSE;
     }
 #undef ok
-    psnd_pcm_hw_params_free(p);
 
-    device->MaxNoOfSources = 256;
-    device->UpdateFreq = bufferSizeInFrames;
-
-    i = psnd_pcm_prepare(data->pcmHandle);
-    if(i < 0)
+    if((i=psnd_pcm_hw_params_get_access(p, &access)) < 0)
     {
-        AL_PRINT("prepare error: %s\n", psnd_strerror(i));
+        AL_PRINT("get_access failed: %s\n", psnd_strerror(i));
+        psnd_pcm_hw_params_free(p);
         psnd_pcm_close(data->pcmHandle);
         free(data);
         return ALC_FALSE;
     }
 
-    fill_silence(data->pcmHandle, data->format, device->Channels);
-    i = psnd_pcm_start(data->pcmHandle);
-    if(i < 0)
+    if((i=psnd_pcm_hw_params_get_period_size(p, &bufferSizeInFrames, NULL)) < 0)
     {
-        AL_PRINT("start error: %s\n", psnd_strerror(i));
+        AL_PRINT("get_period_size failed: %s\n", psnd_strerror(i));
+        psnd_pcm_hw_params_free(p);
         psnd_pcm_close(data->pcmHandle);
         free(data);
         return ALC_FALSE;
     }
 
+    psnd_pcm_hw_params_free(p);
+
+    device->UpdateSize = bufferSizeInFrames;
+
+    data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, device->UpdateSize);
+    if(access == SND_PCM_ACCESS_RW_INTERLEAVED)
+    {
+        data->buffer = malloc(data->size);
+        if(!data->buffer)
+        {
+            AL_PRINT("buffer malloc failed\n");
+            psnd_pcm_close(data->pcmHandle);
+            free(data);
+            return ALC_FALSE;
+        }
+    }
+    else
+    {
+        i = psnd_pcm_prepare(data->pcmHandle);
+        if(i < 0)
+        {
+            AL_PRINT("prepare error: %s\n", psnd_strerror(i));
+            psnd_pcm_close(data->pcmHandle);
+            free(data->buffer);
+            free(data);
+            return ALC_FALSE;
+        }
+    }
+
     device->ExtraData = data;
-    data->thread = StartThread(ALSAProc, device);
+    if(access == SND_PCM_ACCESS_RW_INTERLEAVED)
+        data->thread = StartThread(ALSANoMMapProc, device);
+    else
+        data->thread = StartThread(ALSAProc, device);
     if(data->thread == NULL)
     {
+        AL_PRINT("Could not create playback thread\n");
         psnd_pcm_close(data->pcmHandle);
         device->ExtraData = NULL;
+        free(data->buffer);
         free(data);
         return ALC_FALSE;
     }
@@ -416,6 +508,7 @@ static void alsa_close_playback(ALCdevice *device)
     StopThread(data->thread);
     psnd_pcm_close(data->pcmHandle);
 
+    free(data->buffer);
     free(data);
     device->ExtraData = NULL;
 }
@@ -425,34 +518,39 @@ static ALCboolean alsa_open_capture(ALCdevice *pDevice, const ALCchar *deviceNam
 {
     snd_pcm_format_t alsaFormat;
     snd_pcm_hw_params_t *p;
-    unsigned int periods = 4;
-    snd_pcm_uframes_t bufferSizeInFrames = SampleSize;
+    snd_pcm_uframes_t bufferSizeInFrames;
+    snd_pcm_access_t access;
+    const char *str;
     alsa_data *data;
     char driver[64];
+    int allowmmap;
     char *err;
     int i;
 
+    if(!alsa_handle)
+        return ALC_FALSE;
+
     strncpy(driver, GetConfigValue("alsa", "capture", "default"), sizeof(driver)-1);
     driver[sizeof(driver)-1] = 0;
     if(deviceName)
     {
         size_t idx;
 
-        for(idx = 0;idx < MAX_DEVICES;idx++)
+        for(idx = 0;idx < MAX_ALL_DEVICES;idx++)
         {
-            if(alsaCaptureDeviceList[idx] &&
-               strcmp(deviceName, alsaCaptureDeviceList[idx]) == 0)
+            if(allCaptureDevNameMap[idx].name &&
+               strcmp(deviceName, allCaptureDevNameMap[idx].name) == 0)
             {
-                pDevice->szDeviceName = alsaCaptureDeviceList[idx];
+                pDevice->szDeviceName = allCaptureDevNameMap[idx].name;
                 if(idx > 0)
-                    sprintf(driver, "hw:%zd,0", idx-1);
+                    sprintf(driver, "plughw:%d,%d", allCaptureDevNameMap[idx].card, allCaptureDevNameMap[idx].dev);
                 goto open_alsa;
             }
         }
         return ALC_FALSE;
     }
     else
-        pDevice->szDeviceName = alsaCaptureDeviceList[0];
+        pDevice->szDeviceName = allCaptureDevNameMap[0].name;
 
 open_alsa:
     data = (alsa_data*)calloc(1, sizeof(alsa_data));
@@ -460,7 +558,7 @@ open_alsa:
     i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
     if(i < 0)
     {
-        usleep(200000);
+        Sleep(200);
         i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
     }
     if(i >= 0)
@@ -489,18 +587,24 @@ open_alsa:
             AL_PRINT("Unknown format?! %x\n", format);
     }
 
+    str = GetConfigValue("alsa", "mmap", "true");
+    allowmmap = (strcasecmp(str, "true") == 0 ||
+                 strcasecmp(str, "yes") == 0 ||
+                 strcasecmp(str, "on") == 0 ||
+                 atoi(str) != 0);
+
+    bufferSizeInFrames = SampleSize;
     psnd_pcm_hw_params_malloc(&p);
 #define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
     /* start with the largest configuration space possible */
-    if(!(ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") &&
+    if(!(allowmmap &&
+         ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") &&
          /* set interleaved access */
          ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_MMAP_INTERLEAVED), "set access") &&
          /* set format (implicitly sets sample bits) */
          ok(psnd_pcm_hw_params_set_format(data->pcmHandle, p, alsaFormat), "set format") &&
          /* set channels (implicitly sets frame bits) */
-         ok(psnd_pcm_hw_params_set_channels(data->pcmHandle, p, pDevice->Channels), "set channels") &&
-         /* set periods (implicitly constrains period/buffer parameters) */
-         ok(psnd_pcm_hw_params_set_periods_near(data->pcmHandle, p, &periods, NULL), "set periods near") &&
+         ok(psnd_pcm_hw_params_set_channels(data->pcmHandle, p, aluChannelsFromFormat(pDevice->Format)), "set channels") &&
          /* set rate (implicitly constrains period/buffer parameters) */
          ok(psnd_pcm_hw_params_set_rate(data->pcmHandle, p, frequency, 0), "set rate") &&
          /* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
@@ -508,31 +612,109 @@ open_alsa:
          /* install and prepare hardware configuration */
          ok(psnd_pcm_hw_params(data->pcmHandle, p), "set params")))
     {
-        AL_PRINT("%s failed: %s\n", err, psnd_strerror(i));
+        if(i < 0)
+            AL_PRINT("%s failed: %s\n", err, psnd_strerror(i));
+        bufferSizeInFrames = SampleSize;
+        if(!(ok(psnd_pcm_hw_params_any(data->pcmHandle, p), "any") &&
+             ok(psnd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED), "set access") &&
+             ok(psnd_pcm_hw_params_set_format(data->pcmHandle, p, alsaFormat), "set format") &&
+             ok(psnd_pcm_hw_params_set_channels(data->pcmHandle, p, aluChannelsFromFormat(pDevice->Format)), "set channels") &&
+             ok(psnd_pcm_hw_params_set_rate(data->pcmHandle, p, frequency, 0), "set rate") &&
+             ok(psnd_pcm_hw_params_set_buffer_size_near(data->pcmHandle, p, &bufferSizeInFrames), "set buffer size near") &&
+             ok(psnd_pcm_hw_params(data->pcmHandle, p), "set params")))
+        {
+            AL_PRINT("%s failed: %s\n", err, psnd_strerror(i));
+            psnd_pcm_hw_params_free(p);
+            psnd_pcm_close(data->pcmHandle);
+            free(data);
+            return ALC_FALSE;
+        }
+    }
+#undef ok
+
+    if((i=psnd_pcm_hw_params_get_access(p, &access)) < 0)
+    {
+        AL_PRINT("get_access failed: %s\n", psnd_strerror(i));
         psnd_pcm_hw_params_free(p);
         psnd_pcm_close(data->pcmHandle);
         free(data);
         return ALC_FALSE;
     }
-#undef ok
-    psnd_pcm_hw_params_free(p);
-
-    i = psnd_pcm_prepare(data->pcmHandle);
-    if(i < 0)
+    if((i=psnd_pcm_hw_params_get_period_size(p, &bufferSizeInFrames, NULL)) < 0)
     {
-        AL_PRINT("prepare error: %s\n", psnd_strerror(i));
+        AL_PRINT("get size failed: %s\n", psnd_strerror(i));
+        psnd_pcm_hw_params_free(p);
         psnd_pcm_close(data->pcmHandle);
         free(data);
         return ALC_FALSE;
     }
 
-    pDevice->ExtraData = data;
+    psnd_pcm_hw_params_free(p);
+
+    if(access == SND_PCM_ACCESS_RW_INTERLEAVED)
+    {
+        ALuint frameSize = aluChannelsFromFormat(pDevice->Format);
+        frameSize *= aluBytesFromFormat(pDevice->Format);
+
+        data->ring = CreateRingBuffer(frameSize, SampleSize);
+        if(!data->ring)
+        {
+            AL_PRINT("ring buffer create failed\n");
+            psnd_pcm_close(data->pcmHandle);
+            free(data);
+            return ALC_FALSE;
+        }
+
+        data->size = psnd_pcm_frames_to_bytes(data->pcmHandle, bufferSizeInFrames);
+        data->buffer = malloc(data->size);
+        if(!data->buffer)
+        {
+            AL_PRINT("buffer malloc failed\n");
+            psnd_pcm_close(data->pcmHandle);
+            DestroyRingBuffer(data->ring);
+            free(data);
+            return ALC_FALSE;
+        }
+
+        pDevice->ExtraData = data;
+        data->thread = StartThread(ALSANoMMapCaptureProc, pDevice);
+        if(data->thread == NULL)
+        {
+            AL_PRINT("Could not create capture thread\n");
+            pDevice->ExtraData = NULL;
+            psnd_pcm_close(data->pcmHandle);
+            DestroyRingBuffer(data->ring);
+            free(data->buffer);
+            free(data);
+            return ALC_FALSE;
+        }
+    }
+    else
+    {
+        i = psnd_pcm_prepare(data->pcmHandle);
+        if(i < 0)
+        {
+            AL_PRINT("prepare error: %s\n", psnd_strerror(i));
+            psnd_pcm_close(data->pcmHandle);
+            free(data);
+            return ALC_FALSE;
+        }
+        pDevice->ExtraData = data;
+    }
+
     return ALC_TRUE;
 }
 
 static void alsa_close_capture(ALCdevice *pDevice)
 {
     alsa_data *data = (alsa_data*)pDevice->ExtraData;
+
+    if(data->thread)
+    {
+        data->killNow = 1;
+        StopThread(data->thread);
+        DestroyRingBuffer(data->ring);
+    }
     psnd_pcm_close(data->pcmHandle);
 
     free(data);
@@ -542,13 +724,20 @@ static void alsa_close_capture(ALCdevice *pDevice)
 static void alsa_start_capture(ALCdevice *pDevice)
 {
     alsa_data *data = (alsa_data*)pDevice->ExtraData;
-    psnd_pcm_start(data->pcmHandle);
+    data->doCapture = 1;
+    if(!data->thread)
+    {
+        psnd_pcm_prepare(data->pcmHandle);
+        psnd_pcm_start(data->pcmHandle);
+    }
 }
 
 static void alsa_stop_capture(ALCdevice *pDevice)
 {
     alsa_data *data = (alsa_data*)pDevice->ExtraData;
-    psnd_pcm_drain(data->pcmHandle);
+    data->doCapture = 0;
+    if(!data->thread)
+        psnd_pcm_drain(data->pcmHandle);
 }
 
 static void alsa_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
@@ -557,8 +746,29 @@ static void alsa_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint l
     const snd_pcm_channel_area_t *areas = NULL;
     snd_pcm_sframes_t frames, commitres;
     snd_pcm_uframes_t size, offset;
+    snd_pcm_state_t state;
     int err;
 
+    if(data->thread)
+    {
+        if(lSamples <= (ALCuint)RingBufferSize(data->ring))
+            ReadRingBuffer(data->ring, pBuffer, lSamples);
+        else
+            SetALCError(ALC_INVALID_VALUE);
+        return;
+    }
+
+    state = psnd_pcm_state(data->pcmHandle);
+    if(state == SND_PCM_STATE_XRUN)
+    {
+        err = xrun_recovery(data->pcmHandle, -EPIPE);
+        if(err < 0)
+        {
+            AL_PRINT("XRUN recovery failed: %s\n", psnd_strerror(err));
+            return;
+        }
+    }
+
     frames = psnd_pcm_avail_update(data->pcmHandle);
     if(frames < 0)
     {
@@ -594,7 +804,7 @@ static void alsa_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint l
         }
 
         Pointer = (char*)areas->addr + (offset * areas->step / 8);
-        Count = size * pDevice->FrameSize;
+        Count = psnd_pcm_frames_to_bytes(data->pcmHandle, size);
 
         memcpy(pBuffer, Pointer, Count);
         pBuffer = (char*)pBuffer + Count;
@@ -614,16 +824,37 @@ static void alsa_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint l
 static ALCuint alsa_available_samples(ALCdevice *pDevice)
 {
     alsa_data *data = (alsa_data*)pDevice->ExtraData;
-    snd_pcm_sframes_t frames = psnd_pcm_avail_update(data->pcmHandle);
+    snd_pcm_sframes_t frames;
+    snd_pcm_state_t state;
+    int err;
+
+    if(data->thread)
+        return RingBufferSize(data->ring);
+
+    state = psnd_pcm_state(data->pcmHandle);
+    if(state == SND_PCM_STATE_XRUN)
+    {
+        err = xrun_recovery(data->pcmHandle, -EPIPE);
+        if(err >= 0)
+        {
+            if(data->doCapture)
+                err = psnd_pcm_start(data->pcmHandle);
+        }
+        if (err < 0)
+        {
+            AL_PRINT("XRUN recovery failed: %s\n", psnd_strerror(err));
+            return 0;
+        }
+    }
+
+    frames = psnd_pcm_avail_update(data->pcmHandle);
     if(frames < 0)
     {
-        int err = xrun_recovery(data->pcmHandle, frames);
+        err = xrun_recovery(data->pcmHandle, frames);
         if (err < 0)
             AL_PRINT("available update failed: %s\n", psnd_strerror(err));
         else
             frames = psnd_pcm_avail_update(data->pcmHandle);
-        if(frames < 0) /* ew.. */
-            SetALCError(ALC_INVALID_DEVICE);
     }
     return max(frames, 0);
 }
@@ -670,7 +901,7 @@ void alc_alsa_init(BackendFuncs *func_list)
 } while(0)
 #else
     str = NULL;
-    alsa_handle = NULL;
+    alsa_handle = 0xDEADBEEF;
 #define LOAD_FUNC(f) p##f = f
 #endif
 
@@ -690,15 +921,21 @@ LOAD_FUNC(snd_pcm_hw_params_set_rate_near);
 LOAD_FUNC(snd_pcm_hw_params_set_rate);
 LOAD_FUNC(snd_pcm_hw_params_set_buffer_size_near);
 LOAD_FUNC(snd_pcm_hw_params_set_buffer_size_min);
+LOAD_FUNC(snd_pcm_hw_params_get_buffer_size);
+LOAD_FUNC(snd_pcm_hw_params_get_period_size);
+LOAD_FUNC(snd_pcm_hw_params_get_access);
 LOAD_FUNC(snd_pcm_hw_params);
 LOAD_FUNC(snd_pcm_prepare);
 LOAD_FUNC(snd_pcm_start);
 LOAD_FUNC(snd_pcm_resume);
+LOAD_FUNC(snd_pcm_wait);
 LOAD_FUNC(snd_pcm_state);
 LOAD_FUNC(snd_pcm_avail_update);
 LOAD_FUNC(snd_pcm_areas_silence);
 LOAD_FUNC(snd_pcm_mmap_begin);
 LOAD_FUNC(snd_pcm_mmap_commit);
+LOAD_FUNC(snd_pcm_readi);
+LOAD_FUNC(snd_pcm_writei);
 LOAD_FUNC(snd_pcm_drain);
 
 LOAD_FUNC(snd_pcm_info_malloc);
@@ -732,6 +969,8 @@ LOAD_FUNC(snd_card_next);
     }
 
     while (card >= 0) {
+        int firstDev = 1;
+
         sprintf(name, "hw:%d", card);
         if ((err = psnd_ctl_open(&handle, name, 0)) < 0) {
             AL_PRINT("control open (%i): %s\n", card, psnd_strerror(err));
@@ -742,11 +981,6 @@ LOAD_FUNC(snd_card_next);
             psnd_ctl_close(handle);
             goto next_card;
         }
-        if(card < MAX_DEVICES-1) {
-            snprintf(name, sizeof(name), "ALSA Software on %s",
-                     psnd_ctl_card_info_get_name(info));
-            alsaDeviceList[card+1] = AppendDeviceList(name);
-        }
 
         dev = -1;
         while (idx < MAX_ALL_DEVICES) {
@@ -756,6 +990,14 @@ LOAD_FUNC(snd_card_next);
                 AL_PRINT("snd_ctl_pcm_next_device failed\n");
             if (dev < 0)
                 break;
+
+            if(firstDev && card < MAX_DEVICES-1) {
+                firstDev = 0;
+                snprintf(name, sizeof(name), "ALSA Software on %s",
+                         psnd_ctl_card_info_get_name(info));
+                alsaDeviceList[card+1] = AppendDeviceList(name);
+            }
+
             psnd_pcm_info_set_device(pcminfo, dev);
             psnd_pcm_info_set_subdevice(pcminfo, 0);
             psnd_pcm_info_set_stream(pcminfo, stream);
@@ -793,7 +1035,8 @@ next_card:
         return;
     }
 
-    alsaCaptureDeviceList[0] = AppendCaptureDeviceList("ALSA Capture on default");
+    allCaptureDevNameMap[0].name = AppendCaptureDeviceList("ALSA Capture on default");
+    idx = 1;
 
     while (card >= 0) {
         sprintf(name, "hw:%d", card);
@@ -803,13 +1046,35 @@ next_card:
         }
         if (err >= 0 && (err = psnd_ctl_card_info(handle, info)) < 0) {
             AL_PRINT("control hardware info (%i): %s\n", card, psnd_strerror(err));
-            psnd_ctl_close(handle);
         }
-        else if (err >= 0 && card < MAX_DEVICES-1)
+        else if (err >= 0)
         {
-            snprintf(name, sizeof(name), "ALSA Capture on %s",
-                     psnd_ctl_card_info_get_name(info));
-            alsaCaptureDeviceList[card+1] = AppendCaptureDeviceList(name);
+            dev = -1;
+            while (idx < MAX_ALL_DEVICES) {
+                const char *cname, *dname;
+
+                if (psnd_ctl_pcm_next_device(handle, &dev)<0)
+                    AL_PRINT("snd_ctl_pcm_next_device failed\n");
+                if (dev < 0)
+                    break;
+                psnd_pcm_info_set_device(pcminfo, dev);
+                psnd_pcm_info_set_subdevice(pcminfo, 0);
+                psnd_pcm_info_set_stream(pcminfo, stream);
+                if ((err = psnd_ctl_pcm_info(handle, pcminfo)) < 0) {
+                    if (err != -ENOENT)
+                        AL_PRINT("control digital audio info (%i): %s\n", card, psnd_strerror(err));
+                    continue;
+                }
+
+                cname = psnd_ctl_card_info_get_name(info);
+                dname = psnd_pcm_info_get_name(pcminfo);
+                snprintf(name, sizeof(name), "ALSA Capture on %s [%s]",
+                         cname, dname);
+                allCaptureDevNameMap[idx].name = AppendCaptureDeviceList(name);
+                allCaptureDevNameMap[idx].card = card;
+                allCaptureDevNameMap[idx].dev = dev;
+                idx++;
+            }
         }
         if(handle) psnd_ctl_close(handle);
         if(psnd_card_next(&card) < 0) {

Alc/bs2b.c

@@ -0,0 +1,203 @@
+/*-
+ * Copyright (c) 2005 Boris Mikhaylov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <math.h>
+
+#include "bs2b.h"
+
+#ifndef M_PI
+#define M_PI  3.14159265358979323846
+#endif
+
+/* Single pole IIR filter.
+ * O[n] = a0*I[n] + a1*I[n-1] + b1*O[n-1]
+ */
+
+/* Lowpass filter */
+#define lo_filter(in, out_1) (bs2b->a0_lo*(in) + bs2b->b1_lo*(out_1))
+
+/* Highboost filter */
+#define hi_filter(in, in_1, out_1) (bs2b->a0_hi*(in) + bs2b->a1_hi*(in_1) + bs2b->b1_hi*(out_1))
+
+/* Set up all data. */
+static void init(struct bs2b *bs2b)
+{
+    double Fc_lo, Fc_hi;
+    double G_lo,  G_hi;
+    double x;
+
+    if ((bs2b->srate > 192000) || (bs2b->srate < 2000))
+        bs2b->srate = BS2B_DEFAULT_SRATE;
+
+    switch(bs2b->level)
+    {
+    case BS2B_LOW_CLEVEL: /* Low crossfeed level */
+        Fc_lo = 360.0;
+        Fc_hi = 501.0;
+        G_lo  = 0.398107170553497;
+        G_hi  = 0.205671765275719;
+        break;
+
+    case BS2B_MIDDLE_CLEVEL: /* Middle crossfeed level */
+        Fc_lo = 500.0;
+        Fc_hi = 711.0;
+        G_lo  = 0.459726988530872;
+        G_hi  = 0.228208484414988;
+        break;
+
+    case BS2B_HIGH_CLEVEL: /* High crossfeed level (virtual speakers are closer to itself) */
+        Fc_lo = 700.0;
+        Fc_hi = 1021.0;
+        G_lo  = 0.530884444230988;
+        G_hi  = 0.250105790667544;
+        break;
+
+    case BS2B_LOW_ECLEVEL: /* Low easy crossfeed level */
+        Fc_lo = 360.0;
+        Fc_hi = 494.0;
+        G_lo  = 0.316227766016838;
+        G_hi  = 0.168236228897329;
+        break;
+
+    case BS2B_MIDDLE_ECLEVEL: /* Middle easy crossfeed level */
+        Fc_lo = 500.0;
+        Fc_hi = 689.0;
+        G_lo  = 0.354813389233575;
+        G_hi  = 0.187169483835901;
+        break;
+
+    default: /* High easy crossfeed level */
+        bs2b->level = BS2B_HIGH_ECLEVEL;
+
+        Fc_lo = 700.0;
+        Fc_hi = 975.0;
+        G_lo  = 0.398107170553497;
+        G_hi  = 0.205671765275719;
+        break;
+    } /* switch */
+
+    /* $fc = $Fc / $s;
+     * $d  = 1 / 2 / pi / $fc;
+     * $x  = exp(-1 / $d);
+     */
+
+    x           = exp(-2.0 * M_PI * Fc_lo / bs2b->srate);
+    bs2b->b1_lo = x;
+    bs2b->a0_lo = G_lo * (1.0 - x);
+
+    x           = exp(-2.0 * M_PI * Fc_hi / bs2b->srate);
+    bs2b->b1_hi = x;
+    bs2b->a0_hi = 1.0 - G_hi * (1.0 - x);
+    bs2b->a1_hi = -x;
+
+    bs2b->gain  = 1.0 / (1.0 - G_hi + G_lo);
+
+    bs2b_clear(bs2b);
+} /* init */
+
+/* Exported functions.
+ * See descriptions in "bs2b.h"
+ */
+
+void bs2b_set_level(struct bs2b *bs2b, int level)
+{
+    if(level == bs2b->level)
+        return;
+    bs2b->level = level;
+    init(bs2b);
+} /* bs2b_set_level */
+
+int bs2b_get_level(struct bs2b *bs2b)
+{
+    return bs2b->level;
+} /* bs2b_get_level */
+
+void bs2b_set_srate(struct bs2b *bs2b, int srate)
+{
+    if (srate == bs2b->srate)
+        return;
+    bs2b->srate = srate;
+    init(bs2b);
+} /* bs2b_set_srate */
+
+int bs2b_get_srate(struct bs2b *bs2b)
+{
+    return bs2b->srate;
+} /* bs2b_get_srate */
+
+void bs2b_clear(struct bs2b *bs2b)
+{
+    int loopv = sizeof(bs2b->last_sample);
+
+    while (loopv)
+    {
+        ((char *)&bs2b->last_sample)[--loopv] = 0;
+    }
+} /* bs2b_clear */
+
+int bs2b_is_clear(struct bs2b *bs2b)
+{
+    int loopv = sizeof(bs2b->last_sample);
+
+    while (loopv)
+    {
+        if (((char *)&bs2b->last_sample)[--loopv] != 0)
+            return 0;
+    }
+    return 1;
+} /* bs2b_is_clear */
+
+void bs2b_cross_feed(struct bs2b *bs2b, float *sample)
+{
+    /* Lowpass filter */
+    bs2b->last_sample.lo[0] = lo_filter(sample[0], bs2b->last_sample.lo[0]);
+    bs2b->last_sample.lo[1] = lo_filter(sample[1], bs2b->last_sample.lo[1]);
+
+    /* Highboost filter */
+    bs2b->last_sample.hi[0] = hi_filter(sample[0], bs2b->last_sample.asis[0], bs2b->last_sample.hi[0]);
+    bs2b->last_sample.hi[1] = hi_filter(sample[1], bs2b->last_sample.asis[1], bs2b->last_sample.hi[1]);
+    bs2b->last_sample.asis[0] = sample[0];
+    bs2b->last_sample.asis[1] = sample[1];
+
+    /* Crossfeed */
+    sample[0] = bs2b->last_sample.hi[0] + bs2b->last_sample.lo[1];
+    sample[1] = bs2b->last_sample.hi[1] + bs2b->last_sample.lo[0];
+
+    /* Bass boost cause allpass attenuation */
+    sample[0] *= bs2b->gain;
+    sample[1] *= bs2b->gain;
+
+    /* Clipping of overloaded samples */
+#if 0
+    if (sample[0] > 1.0)
+        sample[0] = 1.0;
+    if (sample[0] < -1.0)
+        sample[0] = -1.0;
+    if (sample[1] > 1.0)
+        sample[1] = 1.0;
+    if (sample[1] < -1.0)
+        sample[1] = -1.0;
+#endif
+} /* bs2b_cross_feed */

Alc/dsound.c

@@ -18,122 +18,144 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
+#define _WIN32_WINNT 0x0500
+#define INITGUID
 #include <stdlib.h>
 #include <stdio.h>
 #include <memory.h>
 
-#include <windows.h>
-#include <mmsystem.h>
 #include <dsound.h>
+#include <mmreg.h>
 
 #include "alMain.h"
 #include "AL/al.h"
 #include "AL/alc.h"
 
+#ifndef DSSPEAKER_7POINT1
+#define DSSPEAKER_7POINT1       7
+#endif
+
+DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
+
+// Since DSound doesn't report the fragment size, emulate it
+static int num_frags;
 
 typedef struct {
     // DirectSound Playback Device
     LPDIRECTSOUND          lpDS;
     LPDIRECTSOUNDBUFFER    DSpbuffer;
     LPDIRECTSOUNDBUFFER    DSsbuffer;
-    MMRESULT               ulDSTimerID;
-    DWORD                  OldWriteCursor;
+
+    volatile int killNow;
+    ALvoid *thread;
 } DSoundData;
 
 
-static ALCchar *DeviceList[16];
+typedef struct {
+    ALCchar *name;
+    GUID guid;
+} DevMap;
+static DevMap DeviceList[16];
 
-static void CALLBACK DirectSoundProc(UINT uID,UINT uReserved,DWORD_PTR dwUser,DWORD_PTR dwReserved1,DWORD_PTR dwReserved2)
+
+static ALuint DSoundProc(ALvoid *ptr)
 {
-    ALCdevice *pDevice = (ALCdevice *)dwUser;
-    DSoundData *pData = pDevice->ExtraData;
-    DWORD PlayCursor,WriteCursor;
-    BYTE *WritePtr1,*WritePtr2;
-    DWORD WriteCnt1,WriteCnt2;
-    WAVEFORMATEX OutputType;
-    DWORD BytesPlayed;
-    DWORD BufSize;
-    HRESULT DSRes;
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    DSoundData *pData = (DSoundData*)pDevice->ExtraData;
+    DWORD LastCursor = 0;
+    DWORD PlayCursor;
+    VOID *WritePtr1, *WritePtr2;
+    DWORD WriteCnt1,  WriteCnt2;
+    DWORD BufferSize;
+    DWORD avail;
+    HRESULT err;
 
-    (void)uID;
-    (void)uReserved;
-    (void)dwReserved1;
-    (void)dwReserved2;
+    BufferSize  = pDevice->UpdateSize * num_frags *
+                  aluBytesFromFormat(pDevice->Format) *
+                  aluChannelsFromFormat(pDevice->Format);
 
-    BufSize = pDevice->UpdateFreq * pDevice->FrameSize;
-
-    // Get current play and write cursors
-    IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer,&PlayCursor,&WriteCursor);
-    if (!pData->OldWriteCursor) pData->OldWriteCursor=WriteCursor-PlayCursor;
-
-    // Get the output format and figure the number of bytes played (block aligned)
-    IDirectSoundBuffer_GetFormat(pData->DSsbuffer,&OutputType,sizeof(WAVEFORMATEX),NULL);
-    BytesPlayed=((((WriteCursor<pData->OldWriteCursor)?(BufSize+WriteCursor-pData->OldWriteCursor):(WriteCursor-pData->OldWriteCursor))/OutputType.nBlockAlign)*OutputType.nBlockAlign);
-
-    // Lock output buffer started at 40msec in front of the old write cursor (15msec in front of the actual write cursor)
-    DSRes=IDirectSoundBuffer_Lock(pData->DSsbuffer,(pData->OldWriteCursor+(OutputType.nSamplesPerSec/25)*OutputType.nBlockAlign)%BufSize,BytesPlayed,(LPVOID*)&WritePtr1,&WriteCnt1,(LPVOID*)&WritePtr2,&WriteCnt2,0);
-
-    // If the buffer is lost, restore it, play and lock
-    if (DSRes==DSERR_BUFFERLOST)
+    while(!pData->killNow)
     {
-        IDirectSoundBuffer_Restore(pData->DSsbuffer);
-        IDirectSoundBuffer_Play(pData->DSsbuffer,0,0,DSBPLAY_LOOPING);
-        DSRes=IDirectSoundBuffer_Lock(pData->DSsbuffer,(pData->OldWriteCursor+(OutputType.nSamplesPerSec/25)*OutputType.nBlockAlign)%BufSize,BytesPlayed,(LPVOID*)&WritePtr1,&WriteCnt1,(LPVOID*)&WritePtr2,&WriteCnt2,0);
-    }
+        // Get current play and write cursors
+        IDirectSoundBuffer_GetCurrentPosition(pData->DSsbuffer, &PlayCursor, NULL);
+        avail = (PlayCursor-LastCursor+BufferSize) % BufferSize;
 
-    // Successfully locked the output buffer
-    if (DSRes==DS_OK)
-    {
-        // If we have an active context, mix data directly into output buffer otherwise fill with silence
-        SuspendContext(NULL);
-        if (WritePtr1)
+        if(avail < BufferSize/num_frags)
+        {
+            Sleep(1);
+            continue;
+        }
+
+        // Lock output buffer
+        WriteCnt1 = 0;
+        WriteCnt2 = 0;
+        err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
+
+        // If the buffer is lost, restore it, play and lock
+        if(err == DSERR_BUFFERLOST)
+        {
+            err = IDirectSoundBuffer_Restore(pData->DSsbuffer);
+            if(SUCCEEDED(err))
+                err = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
+            if(SUCCEEDED(err))
+                err = IDirectSoundBuffer_Lock(pData->DSsbuffer, LastCursor, avail, &WritePtr1, &WriteCnt1, &WritePtr2, &WriteCnt2, 0);
+        }
+
+        // Successfully locked the output buffer
+        if(SUCCEEDED(err))
+        {
+            // If we have an active context, mix data directly into output buffer otherwise fill with silence
+            SuspendContext(NULL);
             aluMixData(pDevice->Context, WritePtr1, WriteCnt1, pDevice->Format);
-        if (WritePtr2)
             aluMixData(pDevice->Context, WritePtr2, WriteCnt2, pDevice->Format);
-        ProcessContext(NULL);
+            ProcessContext(NULL);
 
-        // Unlock output buffer only when successfully locked
-        IDirectSoundBuffer_Unlock(pData->DSsbuffer,WritePtr1,WriteCnt1,WritePtr2,WriteCnt2);
+            // Unlock output buffer only when successfully locked
+            IDirectSoundBuffer_Unlock(pData->DSsbuffer, WritePtr1, WriteCnt1, WritePtr2, WriteCnt2);
+        }
+        else
+            AL_PRINT("Buffer lock error: %#lx\n", err);
+
+        // Update old write cursor location
+        LastCursor += WriteCnt1+WriteCnt2;
+        LastCursor %= BufferSize;
     }
 
-    // Update old write cursor location
-    pData->OldWriteCursor=((pData->OldWriteCursor+BytesPlayed)%BufSize);
+    return 0;
 }
 
-
 static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
 {
     DSBUFFERDESC DSBDescription;
     DSoundData *pData = NULL;
-    WAVEFORMATEX OutputType;
+    WAVEFORMATEXTENSIBLE OutputType;
+    DWORD frameSize = 0;
+    LPGUID guid = NULL;
+    DWORD speakers;
     HRESULT hr;
 
     if(deviceName)
     {
         int i;
-        for(i = 0;DeviceList[i];i++)
+        for(i = 0;DeviceList[i].name;i++)
         {
-            if(strcmp(deviceName, DeviceList[i]) == 0)
+            if(strcmp(deviceName, DeviceList[i].name) == 0)
             {
-                device->szDeviceName = DeviceList[i];
+                device->szDeviceName = DeviceList[i].name;
+                if(i > 0)
+                    guid = &DeviceList[i].guid;
                 break;
             }
         }
-        if(!DeviceList[i])
+        if(!DeviceList[i].name)
             return ALC_FALSE;
     }
     else
-        device->szDeviceName = DeviceList[0];
+        device->szDeviceName = DeviceList[0].name;
 
-    //Platform specific
-    memset(&OutputType, 0, sizeof(WAVEFORMATEX));
-    OutputType.wFormatTag = WAVE_FORMAT_PCM;
-    OutputType.nChannels = device->Channels;
-    OutputType.wBitsPerSample = (((device->Format==AL_FORMAT_MONO16)||(device->Format==AL_FORMAT_STEREO16)||(device->Format==AL_FORMAT_QUAD16))?16:8);
-    OutputType.nBlockAlign = OutputType.nChannels*OutputType.wBitsPerSample/8;
-    OutputType.nSamplesPerSec = device->Frequency;
-    OutputType.nAvgBytesPerSec = OutputType.nSamplesPerSec*OutputType.nBlockAlign;
-    OutputType.cbSize = 0;
+    memset(&OutputType, 0, sizeof(OutputType));
 
     //Initialise requested device
 
@@ -144,39 +166,142 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam
         return ALC_FALSE;
     }
 
-    //Init COM
-    CoInitialize(NULL);
-
     //DirectSound Init code
-    hr = CoCreateInstance(&CLSID_DirectSound, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectSound, (LPVOID*)&pData->lpDS);
-    if(SUCCEEDED(hr))
-        hr = IDirectSound_Initialize(pData->lpDS, NULL);
+    hr = DirectSoundCreate(guid, &pData->lpDS, NULL);
     if(SUCCEEDED(hr))
         hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);
 
     if(SUCCEEDED(hr))
     {
-        memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
-        DSBDescription.dwSize=sizeof(DSBUFFERDESC);
-        DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
-        hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
+        if(*(GetConfigValue(NULL, "format", "")) == 0)
+            hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
+        else
+        {
+            if(device->Format == AL_FORMAT_MONO8 || device->Format == AL_FORMAT_MONO16)
+                speakers = DSSPEAKER_COMBINED(DSSPEAKER_MONO, 0);
+            else if(device->Format == AL_FORMAT_STEREO8 || device->Format == AL_FORMAT_STEREO16)
+                speakers = DSSPEAKER_COMBINED(DSSPEAKER_STEREO, 0);
+            else if(device->Format == AL_FORMAT_QUAD8 || device->Format == AL_FORMAT_QUAD16)
+                speakers = DSSPEAKER_COMBINED(DSSPEAKER_QUAD, 0);
+            else if(device->Format == AL_FORMAT_51CHN8 || device->Format == AL_FORMAT_51CHN16)
+                speakers = DSSPEAKER_COMBINED(DSSPEAKER_5POINT1, 0);
+            else if(device->Format == AL_FORMAT_71CHN8 || device->Format == AL_FORMAT_71CHN16)
+                speakers = DSSPEAKER_COMBINED(DSSPEAKER_7POINT1, 0);
+            else
+                hr = IDirectSound_GetSpeakerConfig(pData->lpDS, &speakers);
+        }
     }
     if(SUCCEEDED(hr))
-        hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType);
+    {
+        speakers = DSSPEAKER_CONFIG(speakers);
+        if(speakers == DSSPEAKER_MONO)
+        {
+            if(aluBytesFromFormat(device->Format) == 1)
+                device->Format = AL_FORMAT_MONO8;
+            else
+                device->Format = AL_FORMAT_MONO16;
+        }
+        else if(speakers == DSSPEAKER_STEREO)
+        {
+            if(aluBytesFromFormat(device->Format) == 1)
+                device->Format = AL_FORMAT_STEREO8;
+            else
+                device->Format = AL_FORMAT_STEREO16;
+        }
+        else if(speakers == DSSPEAKER_QUAD)
+        {
+            if(aluBytesFromFormat(device->Format) == 1)
+                device->Format = AL_FORMAT_QUAD8;
+            else
+                device->Format = AL_FORMAT_QUAD16;
+            OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
+                                       SPEAKER_FRONT_RIGHT |
+                                       SPEAKER_BACK_LEFT |
+                                       SPEAKER_BACK_RIGHT;
+        }
+        else if(speakers == DSSPEAKER_5POINT1)
+        {
+            if(aluBytesFromFormat(device->Format) == 1)
+                device->Format = AL_FORMAT_51CHN8;
+            else
+                device->Format = AL_FORMAT_51CHN16;
+            OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
+                                       SPEAKER_FRONT_RIGHT |
+                                       SPEAKER_FRONT_CENTER |
+                                       SPEAKER_LOW_FREQUENCY |
+                                       SPEAKER_BACK_LEFT |
+                                       SPEAKER_BACK_RIGHT;
+        }
+        else if(speakers == DSSPEAKER_7POINT1)
+        {
+            if(aluBytesFromFormat(device->Format) == 1)
+                device->Format = AL_FORMAT_71CHN8;
+            else
+                device->Format = AL_FORMAT_71CHN16;
+            OutputType.dwChannelMask = SPEAKER_FRONT_LEFT |
+                                       SPEAKER_FRONT_RIGHT |
+                                       SPEAKER_FRONT_CENTER |
+                                       SPEAKER_LOW_FREQUENCY |
+                                       SPEAKER_BACK_LEFT |
+                                       SPEAKER_BACK_RIGHT |
+                                       SPEAKER_SIDE_LEFT |
+                                       SPEAKER_SIDE_RIGHT;
+        }
+        frameSize = aluBytesFromFormat(device->Format) *
+                    aluChannelsFromFormat(device->Format);
+
+        OutputType.Format.wFormatTag = WAVE_FORMAT_PCM;
+        OutputType.Format.nChannels = aluChannelsFromFormat(device->Format);
+        OutputType.Format.wBitsPerSample = aluBytesFromFormat(device->Format) * 8;
+        OutputType.Format.nBlockAlign = OutputType.Format.nChannels*OutputType.Format.wBitsPerSample/8;
+        OutputType.Format.nSamplesPerSec = device->Frequency;
+        OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign;
+        OutputType.Format.cbSize = 0;
+
+        device->UpdateSize /= num_frags;
+    }
+
+    if(OutputType.Format.nChannels > 2)
+    {
+        OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
+        OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
+        OutputType.Format.cbSize = 22;
+        OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
+    }
+    else
+    {
+        if(SUCCEEDED(hr))
+        {
+            memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
+            DSBDescription.dwSize=sizeof(DSBUFFERDESC);
+            DSBDescription.dwFlags=DSBCAPS_PRIMARYBUFFER;
+            hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSpbuffer, NULL);
+        }
+        if(SUCCEEDED(hr))
+            hr = IDirectSoundBuffer_SetFormat(pData->DSpbuffer,&OutputType.Format);
+    }
 
     if(SUCCEEDED(hr))
     {
         memset(&DSBDescription,0,sizeof(DSBUFFERDESC));
         DSBDescription.dwSize=sizeof(DSBUFFERDESC);
         DSBDescription.dwFlags=DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2;
-        DSBDescription.dwBufferBytes=device->UpdateFreq * device->FrameSize;
-        DSBDescription.lpwfxFormat=&OutputType;
+        DSBDescription.dwBufferBytes=device->UpdateSize * num_frags * frameSize;
+        DSBDescription.lpwfxFormat=&OutputType.Format;
         hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL);
     }
 
     if(SUCCEEDED(hr))
         hr = IDirectSoundBuffer_Play(pData->DSsbuffer, 0, 0, DSBPLAY_LOOPING);
 
+    if(SUCCEEDED(hr))
+    {
+        device->ExtraData = pData;
+        pData->thread = StartThread(DSoundProc, device);
+        if(!pData->thread)
+            hr = E_FAIL;
+    }
+
     if(FAILED(hr))
     {
         if (pData->DSsbuffer)
@@ -190,10 +315,6 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam
         return ALC_FALSE;
     }
 
-    pData->ulDSTimerID = timeSetEvent(25, 0, (LPTIMECALLBACK)DirectSoundProc, (DWORD)device, (UINT)TIME_CALLBACK_FUNCTION|TIME_PERIODIC);
-    device->MaxNoOfSources = 256;
-
-    device->ExtraData = pData;
     return ALC_TRUE;
 }
 
@@ -201,26 +322,14 @@ static void DSoundClosePlayback(ALCdevice *device)
 {
     DSoundData *pData = device->ExtraData;
 
-    // Stop and release the DS timer
-    if (pData->ulDSTimerID)
-        timeKillEvent(pData->ulDSTimerID);
+    pData->killNow = 1;
+    StopThread(pData->thread);
 
-    // Wait ... just in case any timer events happen
-    Sleep(100);
-
-    SuspendContext(NULL);
-
-    if (pData->DSsbuffer)
-        IDirectSoundBuffer_Release(pData->DSsbuffer);
+    IDirectSoundBuffer_Release(pData->DSsbuffer);
     if (pData->DSpbuffer)
         IDirectSoundBuffer_Release(pData->DSpbuffer);
     IDirectSound_Release(pData->lpDS);
 
-    //Deinit COM
-    CoUninitialize();
-
-    ProcessContext(NULL);
-
     free(pData);
     device->ExtraData = NULL;
 }
@@ -276,10 +385,36 @@ BackendFuncs DSoundFuncs = {
     DSoundAvailableSamples
 };
 
+static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data)
+{
+    size_t *iter = data;
+    (void)drvname;
+
+    if(guid)
+    {
+        char str[128];
+        snprintf(str, sizeof(str), "DirectSound Software on %s", desc);
+        DeviceList[*iter].name = AppendAllDeviceList(str);
+        DeviceList[*iter].guid = *guid;
+        (*iter)++;
+    }
+    else
+        DeviceList[0].name = AppendDeviceList("DirectSound Software");
+
+    return TRUE;
+}
+
 void alcDSoundInit(BackendFuncs *FuncList)
 {
+    size_t iter = 1;
+    HRESULT hr;
+
     *FuncList = DSoundFuncs;
 
-    DeviceList[0] = AppendDeviceList("DirectSound Software");
-    AppendAllDeviceList(DeviceList[0]);
+    num_frags = GetConfigValueInt("dsound", "periods", 4);
+    if(num_frags < 2) num_frags = 2;
+
+    hr = DirectSoundEnumerate(DSoundEnumDevices, &iter);
+    if(FAILED(hr))
+        AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
 }

Alc/oss.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <sys/ioctl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -46,15 +48,18 @@
 #endif
 
 static char *oss_device;
+static char *oss_device_capture;
 
 typedef struct {
     int fd;
-    int killNow;
+    volatile int killNow;
     ALvoid *thread;
 
     ALubyte *mix_data;
     int data_size;
-    int silence;
+
+    RingBuffer *ring;
+    int doCapture;
 } oss_data;
 
 
@@ -74,31 +79,65 @@ static ALuint OSSProc(ALvoid *ptr)
 {
     ALCdevice *pDevice = (ALCdevice*)ptr;
     oss_data *data = (oss_data*)pDevice->ExtraData;
-    int remaining;
+    int remaining = 0;
     int wrote;
 
     while(!data->killNow)
     {
-        SuspendContext(NULL);
-        aluMixData(pDevice->Context,data->mix_data,data->data_size,pDevice->Format);
-        ProcessContext(NULL);
+        int len = data->data_size - remaining;
 
-        remaining = data->data_size;
-        while(remaining > 0)
+        if(len > 0)
         {
-            wrote = write(data->fd, data->mix_data+data->data_size-remaining, remaining);
-            if(wrote < 0)
-            {
-                AL_PRINT("write failed: %s\n", strerror(errno));
-                break;
-            }
-            if(wrote == 0)
-            {
-                usleep(1000);
-                continue;
-            }
-            remaining -= wrote;
+            SuspendContext(NULL);
+            aluMixData(pDevice->Context, data->mix_data+remaining, len, pDevice->Format);
+            ProcessContext(NULL);
         }
+
+        remaining += len;
+        wrote = write(data->fd, data->mix_data, remaining);
+        if(wrote < 0)
+        {
+            AL_PRINT("write failed: %s\n", strerror(errno));
+            remaining = 0;
+        }
+        else if(wrote > 0)
+        {
+            remaining -= wrote;
+            if(remaining > 0)
+                memmove(data->mix_data, data->mix_data+wrote, remaining);
+        }
+        else
+            Sleep(1);
+    }
+
+    return 0;
+}
+
+static ALuint OSSCaptureProc(ALvoid *ptr)
+{
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    oss_data *data = (oss_data*)pDevice->ExtraData;
+    int frameSize;
+    int amt;
+
+    frameSize  = aluBytesFromFormat(pDevice->Format);
+    frameSize *= aluChannelsFromFormat(pDevice->Format);
+
+    while(!data->killNow)
+    {
+        amt = read(data->fd, data->mix_data, data->data_size);
+        if(amt < 0)
+        {
+            AL_PRINT("read failed: %s\n", strerror(errno));
+            break;
+        }
+        if(amt == 0)
+        {
+            Sleep(1);
+            continue;
+        }
+        if(data->doCapture)
+            WriteRingBuffer(data->ring, data->mix_data, amt/frameSize);
     }
 
     return 0;
@@ -110,6 +149,7 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
     int log2FragmentSize;
     unsigned int periods;
     audio_buf_info info;
+    ALuint frameSize;
     char driver[64];
     int numChannels;
     oss_data *data;
@@ -140,18 +180,12 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
         return ALC_FALSE;
     }
 
-    switch(device->Format)
+    switch(aluBytesFromFormat(device->Format))
     {
-        case AL_FORMAT_MONO8:
-        case AL_FORMAT_STEREO8:
-        case AL_FORMAT_QUAD8:
-            data->silence = 0x80;
+        case 1:
             ossFormat = AFMT_U8;
             break;
-        case AL_FORMAT_MONO16:
-        case AL_FORMAT_STEREO16:
-        case AL_FORMAT_QUAD16:
-            data->silence = 0;
+        case 2:
             ossFormat = AFMT_S16_NE;
             break;
         default:
@@ -160,11 +194,13 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
     }
 
     periods = GetConfigValueInt("oss", "periods", 4);
-    if((int)periods < 0)
+    if((int)periods <= 0)
         periods = 4;
-    numChannels = device->Channels;
+    numChannels = aluChannelsFromFormat(device->Format);
+    frameSize = numChannels * aluBytesFromFormat(device->Format);
+
     ossSpeed = device->Frequency;
-    log2FragmentSize = log2i(device->UpdateFreq * device->FrameSize / periods);
+    log2FragmentSize = log2i(device->UpdateSize * frameSize / periods);
 
     /* according to the OSS spec, 16 bytes are the minimum */
     if (log2FragmentSize < 4)
@@ -178,68 +214,37 @@ static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName
           ok(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed), "set speed") &&
           ok(ioctl(data->fd, SNDCTL_DSP_GETOSPACE, &info), "get space")))
     {
-        AL_PRINT("%s failed: %s\n", err, strerror(i));
+        AL_PRINT("%s failed: %s\n", err, strerror(errno));
         close(data->fd);
         free(data);
         return ALC_FALSE;
     }
 #undef ok
 
-    device->Channels = numChannels;
     device->Frequency = ossSpeed;
-    device->Format = 0;
-    if(ossFormat == AFMT_U8)
-    {
-        if(device->Channels == 1)
-        {
-            device->Format = AL_FORMAT_MONO8;
-            device->FrameSize = 1;
-        }
-        else if(device->Channels == 2)
-        {
-            device->Format = AL_FORMAT_STEREO8;
-            device->FrameSize = 2;
-        }
-        else if(device->Channels == 4)
-        {
-            device->Format = AL_FORMAT_QUAD8;
-            device->FrameSize = 4;
-        }
-    }
-    else if(ossFormat == AFMT_S16_NE)
-    {
-        if(device->Channels == 1)
-        {
-            device->Format = AL_FORMAT_MONO16;
-            device->FrameSize = 2;
-        }
-        else if(device->Channels == 2)
-        {
-            device->Format = AL_FORMAT_STEREO16;
-            device->FrameSize = 4;
-        }
-        else if(device->Channels == 4)
-        {
-            device->Format = AL_FORMAT_QUAD16;
-            device->FrameSize = 8;
-        }
-    }
 
-    if(!device->Format)
+    if((int)aluChannelsFromFormat(device->Format) != numChannels)
     {
-        AL_PRINT("returned unknown format: %#x %d!\n", ossFormat, numChannels);
+        AL_PRINT("Could not set %d channels, got %d instead\n", aluChannelsFromFormat(device->Format), numChannels);
         close(data->fd);
         free(data);
         return ALC_FALSE;
     }
 
-    device->UpdateFreq = info.fragsize / device->FrameSize;
+    if(!((ossFormat == AFMT_U8 && aluBytesFromFormat(device->Format) == 1) ||
+         (ossFormat == AFMT_S16_NE && aluBytesFromFormat(device->Format) == 2)))
+    {
+        AL_PRINT("Could not set %d-bit output, got format %#x\n", aluBytesFromFormat(device->Format)*8, ossFormat);
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
 
-    data->data_size = device->UpdateFreq * device->FrameSize;
+    device->UpdateSize = info.fragsize / frameSize;
+
+    data->data_size = device->UpdateSize * frameSize;
     data->mix_data = calloc(1, data->data_size);
 
-    device->MaxNoOfSources = 256;
-
     device->ExtraData = data;
     data->thread = StartThread(OSSProc, device);
     if(data->thread == NULL)
@@ -267,42 +272,163 @@ static void oss_close_playback(ALCdevice *device)
 }
 
 
-static ALCboolean oss_open_capture(ALCdevice *pDevice, const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
+static ALCboolean oss_open_capture(ALCdevice *device, const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
 {
-    (void)pDevice;
-    (void)deviceName;
-    (void)frequency;
-    (void)format;
-    (void)SampleSize;
-    return ALC_FALSE;
+    int numFragmentsLogSize;
+    int log2FragmentSize;
+    unsigned int periods;
+    audio_buf_info info;
+    ALuint frameSize;
+    int numChannels;
+    char driver[64];
+    oss_data *data;
+    int ossFormat;
+    int ossSpeed;
+    char *err;
+    int i;
+
+    strncpy(driver, GetConfigValue("oss", "capture", "/dev/dsp"), sizeof(driver)-1);
+    driver[sizeof(driver)-1] = 0;
+    if(deviceName)
+    {
+        if(strcmp(deviceName, oss_device_capture))
+            return ALC_FALSE;
+        device->szDeviceName = oss_device_capture;
+    }
+    else
+        device->szDeviceName = oss_device_capture;
+
+    data = (oss_data*)calloc(1, sizeof(oss_data));
+    data->killNow = 0;
+
+    data->fd = open(driver, O_RDONLY);
+    if(data->fd == -1)
+    {
+        free(data);
+        AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
+        return ALC_FALSE;
+    }
+
+    switch(aluBytesFromFormat(format))
+    {
+        case 1:
+            ossFormat = AFMT_U8;
+            break;
+        case 2:
+            ossFormat = AFMT_S16_NE;
+            break;
+        default:
+            ossFormat = -1;
+            AL_PRINT("Unknown format?! %x\n", device->Format);
+    }
+
+    periods = 4;
+    numChannels = aluChannelsFromFormat(device->Format);
+    frameSize = numChannels * aluBytesFromFormat(device->Format);
+    ossSpeed = frequency;
+    log2FragmentSize = log2i(SampleSize * frameSize / periods);
+
+    /* according to the OSS spec, 16 bytes are the minimum */
+    if (log2FragmentSize < 4)
+        log2FragmentSize = 4;
+    numFragmentsLogSize = (periods << 16) | log2FragmentSize;
+
+#define ok(func, str) (i=(func),((i<0)?(err=(str)),0:1))
+    if (!(ok(ioctl(data->fd, SNDCTL_DSP_SETFRAGMENT, &numFragmentsLogSize), "set fragment") &&
+          ok(ioctl(data->fd, SNDCTL_DSP_SETFMT, &ossFormat), "set format") &&
+          ok(ioctl(data->fd, SNDCTL_DSP_CHANNELS, &numChannels), "set channels") &&
+          ok(ioctl(data->fd, SNDCTL_DSP_SPEED, &ossSpeed), "set speed") &&
+          ok(ioctl(data->fd, SNDCTL_DSP_GETISPACE, &info), "get space")))
+    {
+        AL_PRINT("%s failed: %s\n", err, strerror(errno));
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+#undef ok
+
+    if((int)aluChannelsFromFormat(device->Format) != numChannels)
+    {
+        AL_PRINT("Could not set %d channels, got %d instead\n", aluChannelsFromFormat(device->Format), numChannels);
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    if(!((ossFormat == AFMT_U8 && aluBytesFromFormat(device->Format) == 1) ||
+         (ossFormat == AFMT_S16_NE && aluBytesFromFormat(device->Format) == 2)))
+    {
+        AL_PRINT("Could not set %d-bit input, got format %#x\n", aluBytesFromFormat(device->Format)*8, ossFormat);
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    data->ring = CreateRingBuffer(frameSize, SampleSize);
+    if(!data->ring)
+    {
+        AL_PRINT("ring buffer create failed\n");
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    data->data_size = info.fragsize;
+    data->mix_data = calloc(1, data->data_size);
+
+    device->ExtraData = data;
+    data->thread = StartThread(OSSCaptureProc, device);
+    if(data->thread == NULL)
+    {
+        device->ExtraData = NULL;
+        free(data->mix_data);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    return ALC_TRUE;
 }
 
-static void oss_close_capture(ALCdevice *pDevice)
+static void oss_close_capture(ALCdevice *device)
 {
-    (void)pDevice;
+    oss_data *data = (oss_data*)device->ExtraData;
+    data->killNow = 1;
+    StopThread(data->thread);
+
+    close(data->fd);
+
+    DestroyRingBuffer(data->ring);
+
+    free(data->mix_data);
+    free(data);
+    device->ExtraData = NULL;
 }
 
 static void oss_start_capture(ALCdevice *pDevice)
 {
-    (void)pDevice;
+    oss_data *data = (oss_data*)pDevice->ExtraData;
+    data->doCapture = 1;
 }
 
 static void oss_stop_capture(ALCdevice *pDevice)
 {
-    (void)pDevice;
+    oss_data *data = (oss_data*)pDevice->ExtraData;
+    data->doCapture = 0;
 }
 
 static void oss_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
 {
-    (void)pDevice;
-    (void)pBuffer;
-    (void)lSamples;
+    oss_data *data = (oss_data*)pDevice->ExtraData;
+    if(lSamples <= (ALCuint)RingBufferSize(data->ring))
+        ReadRingBuffer(data->ring, pBuffer, lSamples);
+    else
+        SetALCError(ALC_INVALID_VALUE);
 }
 
 static ALCuint oss_available_samples(ALCdevice *pDevice)
 {
-    (void)pDevice;
-    return 0;
+    oss_data *data = (oss_data*)pDevice->ExtraData;
+    return RingBufferSize(data->ring);
 }
 
 
@@ -323,4 +449,6 @@ void alc_oss_init(BackendFuncs *func_list)
 
     oss_device = AppendDeviceList("OSS Software");
     AppendAllDeviceList(oss_device);
+
+    oss_device_capture = AppendCaptureDeviceList("OSS Capture");
 }

Alc/solaris.c

@@ -0,0 +1,258 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include <unistd.h>
+#include <errno.h>
+#include <math.h>
+#include "alMain.h"
+#include "AL/al.h"
+#include "AL/alc.h"
+
+#include <sys/audioio.h>
+
+
+static char *solaris_device;
+
+typedef struct {
+    int fd;
+    volatile int killNow;
+    ALvoid *thread;
+
+    ALubyte *mix_data;
+    int data_size;
+} solaris_data;
+
+
+static ALuint SolarisProc(ALvoid *ptr)
+{
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    solaris_data *data = (solaris_data*)pDevice->ExtraData;
+    int remaining = 0;
+    int wrote;
+
+    while(!data->killNow)
+    {
+        int len = data->data_size - remaining;
+
+        if(len > 0)
+        {
+            SuspendContext(NULL);
+            aluMixData(pDevice->Context, data->mix_data+remaining, len, pDevice->Format);
+            ProcessContext(NULL);
+        }
+
+        remaining += len;
+        wrote = write(data->fd, data->mix_data, remaining);
+        if(wrote < 0)
+        {
+            AL_PRINT("write failed: %s\n", strerror(errno));
+            remaining = 0;
+        }
+        else if(wrote > 0)
+        {
+            remaining -= wrote;
+            if(remaining > 0)
+                memmove(data->mix_data, data->mix_data+wrote, remaining);
+        }
+        else
+            Sleep(1);
+    }
+
+    return 0;
+}
+
+
+static ALCboolean solaris_open_playback(ALCdevice *device, const ALCchar *deviceName)
+{
+    audio_info_t info;
+    ALuint frameSize;
+    char driver[64];
+    int numChannels;
+    solaris_data *data;
+
+    strncpy(driver, GetConfigValue("solaris", "device", "/dev/audio"), sizeof(driver)-1);
+    driver[sizeof(driver)-1] = 0;
+    if(deviceName)
+    {
+        if(strcmp(deviceName, solaris_device))
+            return ALC_FALSE;
+        device->szDeviceName = solaris_device;
+    }
+    else
+        device->szDeviceName = solaris_device;
+
+    data = (solaris_data*)calloc(1, sizeof(solaris_data));
+    data->killNow = 0;
+
+    data->fd = open(driver, O_WRONLY);
+    if(data->fd == -1)
+    {
+        free(data);
+        AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
+        return ALC_FALSE;
+    }
+
+    numChannels = aluChannelsFromFormat(device->Format);
+    AUDIO_INITINFO(&info);
+    info.play.sample_rate = device->Frequency;
+    info.play.channels = numChannels;
+
+    switch(aluBytesFromFormat(device->Format))
+    {
+        case 1:
+            info.play.precision = 8;
+            info.play.encoding = AUDIO_ENCODING_LINEAR8;
+            break;
+        case 2:
+            info.play.precision = 16;
+            info.play.encoding = AUDIO_ENCODING_LINEAR;
+            break;
+        default:
+            AL_PRINT("Unknown format?! %x\n", device->Format);
+    }
+
+    frameSize = numChannels * aluBytesFromFormat(device->Format);
+    info.play.buffer_size = device->UpdateSize * frameSize;
+
+    if(ioctl(data->fd, AUDIO_SETINFO, &info) < 0)
+    {
+        AL_PRINT("ioctl failed: %s\n", strerror(errno));
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    device->Frequency = info.play.sample_rate;
+
+    if(aluChannelsFromFormat(device->Format) != info.play.channels)
+    {
+        AL_PRINT("Could not set %d channels, got %d instead\n", aluChannelsFromFormat(device->Format), info.play.channels);
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    if(!((info.play.precision == 8 && aluBytesFromFormat(device->Format) == 1) ||
+         (info.play.precision == 16 && aluBytesFromFormat(device->Format) == 2)))
+    {
+        AL_PRINT("Could not set %d-bit output, got %d\n", aluBytesFromFormat(device->Format)*8, info.play.precision);
+        close(data->fd);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    device->UpdateSize = info.play.buffer_size / 4;
+
+    data->data_size = device->UpdateSize * frameSize;
+    data->mix_data = calloc(1, data->data_size);
+
+    device->ExtraData = data;
+    data->thread = StartThread(SolarisProc, device);
+    if(data->thread == NULL)
+    {
+        device->ExtraData = NULL;
+        free(data->mix_data);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    return ALC_TRUE;
+}
+
+static void solaris_close_playback(ALCdevice *device)
+{
+    solaris_data *data = (solaris_data*)device->ExtraData;
+    data->killNow = 1;
+    StopThread(data->thread);
+
+    close(data->fd);
+
+    free(data->mix_data);
+    free(data);
+    device->ExtraData = NULL;
+}
+
+
+static ALCboolean solaris_open_capture(ALCdevice *device, const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
+{
+    (void)device;
+    (void)deviceName;
+    (void)frequency;
+    (void)format;
+    (void)SampleSize;
+    return ALC_FALSE;
+}
+
+static void solaris_close_capture(ALCdevice *device)
+{
+    (void)device;
+}
+
+static void solaris_start_capture(ALCdevice *pDevice)
+{
+    (void)pDevice;
+}
+
+static void solaris_stop_capture(ALCdevice *pDevice)
+{
+    (void)pDevice;
+}
+
+static void solaris_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
+{
+    (void)pDevice;
+    (void)pBuffer;
+    (void)lSamples;
+}
+
+static ALCuint solaris_available_samples(ALCdevice *pDevice)
+{
+    (void)pDevice;
+    return 0;
+}
+
+
+BackendFuncs solaris_funcs = {
+    solaris_open_playback,
+    solaris_close_playback,
+    solaris_open_capture,
+    solaris_close_capture,
+    solaris_start_capture,
+    solaris_stop_capture,
+    solaris_capture_samples,
+    solaris_available_samples
+};
+
+void alc_solaris_init(BackendFuncs *func_list)
+{
+    *func_list = solaris_funcs;
+
+    solaris_device = AppendDeviceList("Solaris Software");
+    AppendAllDeviceList(solaris_device);
+}

Alc/wave.c

@@ -0,0 +1,334 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include "alMain.h"
+#include "AL/al.h"
+#include "AL/alc.h"
+
+
+typedef struct {
+    FILE *f;
+    long DataStart;
+
+    ALvoid *buffer;
+    ALuint size;
+
+    volatile int killNow;
+    ALvoid *thread;
+} wave_data;
+
+
+static ALCchar *waveDevice;
+
+
+static ALuint WaveProc(ALvoid *ptr)
+{
+    ALCdevice *pDevice = (ALCdevice*)ptr;
+    wave_data *data = (wave_data*)pDevice->ExtraData;
+    ALuint frameSize;
+    ALuint now, last;
+    size_t WriteCnt;
+    ALuint avail;
+    union {
+        short s;
+        char b[sizeof(short)];
+    } uSB;
+
+    uSB.s = 1;
+    frameSize = aluBytesFromFormat(pDevice->Format) *
+                aluChannelsFromFormat(pDevice->Format);
+
+    last = timeGetTime();
+    while(!data->killNow)
+    {
+        now = timeGetTime();
+
+        avail = (now-last) * pDevice->Frequency / 1000;
+        if(avail < pDevice->UpdateSize/4)
+        {
+            Sleep(1);
+            continue;
+        }
+
+        while(avail > 0)
+        {
+            SuspendContext(NULL);
+            WriteCnt = min(data->size, avail);
+            aluMixData(pDevice->Context, data->buffer, WriteCnt * frameSize,
+                       pDevice->Format);
+            ProcessContext(NULL);
+
+            if(uSB.b[0] != 1 && aluBytesFromFormat(pDevice->Format) > 1)
+            {
+                ALubyte *bytes = data->buffer;
+                ALuint i;
+
+                for(i = 0;i < WriteCnt*frameSize;i++)
+                    fputc(bytes[i^1], data->f);
+            }
+            else
+                fwrite(data->buffer, frameSize, WriteCnt, data->f);
+            if(ferror(data->f))
+            {
+                AL_PRINT("Error writing to file\n");
+                data->killNow = 1;
+                break;
+            }
+
+            avail -= WriteCnt;
+        }
+        last = now;
+    }
+
+    return 0;
+}
+
+static ALCboolean wave_open_playback(ALCdevice *device, const ALCchar *deviceName)
+{
+    wave_data *data;
+    ALuint channels;
+    ALuint bits;
+    const char *fname;
+    int i;
+
+    fname = GetConfigValue("wave", "file", "");
+    if(!fname[0])
+        return ALC_FALSE;
+
+    if(deviceName)
+    {
+        if(strcmp(deviceName, waveDevice) != 0)
+            return ALC_FALSE;
+        device->szDeviceName = waveDevice;
+    }
+    else
+        device->szDeviceName = waveDevice;
+
+    data = (wave_data*)calloc(1, sizeof(wave_data));
+
+    data->f = fopen(fname, "wb");
+    if(!data->f)
+    {
+        free(data);
+        AL_PRINT("Could not open file '%s': %s\n", fname, strerror(errno));
+        return ALC_FALSE;
+    }
+
+    bits = aluBytesFromFormat(device->Format) * 8;
+    channels = aluChannelsFromFormat(device->Format);
+    switch(bits)
+    {
+        case 8:
+        case 16:
+            if(channels == 0)
+            {
+                AL_PRINT("Unknown format?! %x\n", device->Format);
+                fclose(data->f);
+                free(data);
+                return ALC_FALSE;
+            }
+            break;
+
+        default:
+            AL_PRINT("Unknown format?! %x\n", device->Format);
+            fclose(data->f);
+            free(data);
+            return ALC_FALSE;
+    }
+
+    fprintf(data->f, "RIFF");
+    fputc(0, data->f); // 'RIFF' header len; filled in at close
+    fputc(0, data->f);
+    fputc(0, data->f);
+    fputc(0, data->f);
+
+    fprintf(data->f, "WAVE");
+
+    fprintf(data->f, "fmt ");
+    fputc(16, data->f); // 'fmt ' header len; 16 bytes for PCM
+    fputc(0, data->f);
+    fputc(0, data->f);
+    fputc(0, data->f);
+    // 16-bit val, format type id (PCM: 1)
+    fputc(1, data->f);
+    fputc(0, data->f);
+    // 16-bit val, channel count
+    fputc(channels&0xff, data->f);
+    fputc((channels>>8)&0xff, data->f);
+    // 32-bit val, frequency
+    fputc(device->Frequency&0xff, data->f);
+    fputc((device->Frequency>>8)&0xff, data->f);
+    fputc((device->Frequency>>16)&0xff, data->f);
+    fputc((device->Frequency>>24)&0xff, data->f);
+    // 32-bit val, bytes per second
+    i = device->Frequency * channels * bits / 8;
+    fputc(i&0xff, data->f);
+    fputc((i>>8)&0xff, data->f);
+    fputc((i>>16)&0xff, data->f);
+    fputc((i>>24)&0xff, data->f);
+    // 16-bit val, frame size
+    i = channels * bits / 8;
+    fputc(i&0xff, data->f);
+    fputc((i>>8)&0xff, data->f);
+    // 16-bit val, bits per sample
+    fputc(bits&0xff, data->f);
+    fputc((bits>>8)&0xff, data->f);
+
+    fprintf(data->f, "data");
+    fputc(0, data->f); // 'data' header len; filled in at close
+    fputc(0, data->f);
+    fputc(0, data->f);
+    fputc(0, data->f);
+
+    if(ferror(data->f))
+    {
+        AL_PRINT("Error writing header: %s\n", strerror(errno));
+        fclose(data->f);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    data->DataStart = ftell(data->f);
+
+    device->UpdateSize = max(device->UpdateSize, 2048);
+
+    data->size = device->UpdateSize;
+    data->buffer = malloc(data->size * channels * bits / 8);
+    if(!data->buffer)
+    {
+        AL_PRINT("buffer malloc failed\n");
+        fclose(data->f);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    device->ExtraData = data;
+    data->thread = StartThread(WaveProc, device);
+    if(data->thread == NULL)
+    {
+        device->ExtraData = NULL;
+        fclose(data->f);
+        free(data->buffer);
+        free(data);
+        return ALC_FALSE;
+    }
+
+    return ALC_TRUE;
+}
+
+static void wave_close_playback(ALCdevice *device)
+{
+    wave_data *data = (wave_data*)device->ExtraData;
+    ALuint dataLen;
+    long size;
+
+    data->killNow = 1;
+    StopThread(data->thread);
+
+    size = ftell(data->f);
+    if(size > 0)
+    {
+        dataLen = size - data->DataStart;
+        if(fseek(data->f, data->DataStart-4, SEEK_SET) == 0)
+        {
+            fputc(dataLen&0xff, data->f); // 'data' header len
+            fputc((dataLen>>8)&0xff, data->f);
+            fputc((dataLen>>16)&0xff, data->f);
+            fputc((dataLen>>24)&0xff, data->f);
+        }
+        if(fseek(data->f, 4, SEEK_SET) == 0)
+        {
+            size -= 8;
+            fputc(size&0xff, data->f); // 'WAVE' header len
+            fputc((size>>8)&0xff, data->f);
+            fputc((size>>16)&0xff, data->f);
+            fputc((size>>24)&0xff, data->f);
+        }
+    }
+
+    fclose(data->f);
+    free(data->buffer);
+    free(data);
+    device->ExtraData = NULL;
+}
+
+
+static ALCboolean wave_open_capture(ALCdevice *pDevice, const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
+{
+    (void)pDevice;
+    (void)deviceName;
+    (void)frequency;
+    (void)format;
+    (void)SampleSize;
+    return ALC_FALSE;
+}
+
+static void wave_close_capture(ALCdevice *pDevice)
+{
+    (void)pDevice;
+}
+
+static void wave_start_capture(ALCdevice *pDevice)
+{
+    (void)pDevice;
+}
+
+static void wave_stop_capture(ALCdevice *pDevice)
+{
+    (void)pDevice;
+}
+
+static void wave_capture_samples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples)
+{
+    (void)pDevice;
+    (void)pBuffer;
+    (void)lSamples;
+}
+
+static ALCuint wave_available_samples(ALCdevice *pDevice)
+{
+    (void)pDevice;
+    return 0;
+}
+
+
+BackendFuncs wave_funcs = {
+    wave_open_playback,
+    wave_close_playback,
+    wave_open_capture,
+    wave_close_capture,
+    wave_start_capture,
+    wave_stop_capture,
+    wave_capture_samples,
+    wave_available_samples
+};
+
+void alc_wave_init(BackendFuncs *func_list)
+{
+    *func_list = wave_funcs;
+
+    waveDevice = AppendDeviceList("Wave File Writer");
+    AppendAllDeviceList(waveDevice);
+}

Alc/winmm.c

@@ -18,6 +18,9 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
+#define _WIN32_WINNT 0x0500
 #include <stdlib.h>
 #include <stdio.h>
 #include <memory.h>
@@ -63,7 +66,7 @@ static void CALLBACK WaveInProc(HWAVEIN hDevice,UINT uMsg,DWORD_PTR dwInstance,D
     (void)hDevice;
     (void)dwParam2;
 
-    if ((uMsg==WIM_DATA) && (pDevice))
+    if ((uMsg==WIM_DATA))
     {
         // Decrement number of buffers in use
         pData->lWaveInBuffersCommitted--;
@@ -207,12 +210,13 @@ static ALCboolean WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName
 
     memset(&wfexCaptureFormat, 0, sizeof(WAVEFORMATEX));
     wfexCaptureFormat.wFormatTag = WAVE_FORMAT_PCM;
-    wfexCaptureFormat.nChannels = pDevice->Channels;
-    wfexCaptureFormat.wBitsPerSample = pDevice->FrameSize / pDevice->Channels * 8;
-    wfexCaptureFormat.nBlockAlign = pDevice->FrameSize;
+    wfexCaptureFormat.nChannels = aluChannelsFromFormat(pDevice->Format);
+    wfexCaptureFormat.wBitsPerSample = aluBytesFromFormat(pDevice->Format) * 8;
+    wfexCaptureFormat.nBlockAlign = wfexCaptureFormat.wBitsPerSample *
+                                    wfexCaptureFormat.nChannels / 8;
     wfexCaptureFormat.nSamplesPerSec = frequency;
     wfexCaptureFormat.nAvgBytesPerSec = wfexCaptureFormat.nSamplesPerSec *
-                                        pDevice->FrameSize;
+                                        wfexCaptureFormat.nBlockAlign;
     wfexCaptureFormat.cbSize = 0;
 
     if (waveInOpen(&pData->hWaveInHandle, lDeviceID, &wfexCaptureFormat, (DWORD_PTR)&WaveInProc, (DWORD_PTR)pDevice, CALLBACK_FUNCTION) != MMSYSERR_NOERROR)
@@ -226,10 +230,6 @@ static ALCboolean WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName
     if (pData->hWaveInThreadEvent == NULL)
         goto failure;
 
-    pData->hWaveInThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CaptureThreadProc, (LPVOID)pDevice, 0, &pData->ulWaveInThreadID);
-    if (pData->hWaveInThread == NULL)
-        goto failure;
-
     // Allocate circular memory buffer for the captured audio
     pData->ulCapturedDataSize = SampleSize * wfexCaptureFormat.nBlockAlign;
 
@@ -264,15 +264,32 @@ static ALCboolean WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName
     pData->ulWriteCapturedDataPos = 0;
 
     pDevice->ExtraData = pData;
+
+    pData->hWaveInThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)CaptureThreadProc, (LPVOID)pDevice, 0, &pData->ulWaveInThreadID);
+    if (pData->hWaveInThread == NULL)
+        goto failure;
+
     return ALC_TRUE;
 
 failure:
-    if (pData->hWaveInThreadEvent)
-        CloseHandle(pData->hWaveInThreadEvent);
+    for (i=0;i<4;i++)
+    {
+        if(pData->WaveInBuffer[i].lpData)
+        {
+            waveInUnprepareHeader(pData->hWaveInHandle, &pData->WaveInBuffer[i], sizeof(WAVEHDR));
+            free(pData->WaveInBuffer[i].lpData);
+        }
+    }
+
+    free(pData->pCapturedSampleData);
+    if(pData->hWaveInHandle)
+        waveInClose(pData->hWaveInHandle);
+    if(pData->hWaveInThread)
+        CloseHandle(pData->hWaveInThread);
     if (pData->hWaveInHdrEvent)
         CloseHandle(pData->hWaveInHdrEvent);
-    if (pData->hWaveInHandle)
-        waveInClose(pData->hWaveInHandle);
+    if (pData->hWaveInThreadEvent)
+        CloseHandle(pData->hWaveInThreadEvent);
 
     free(pData);
     return ALC_FALSE;
@@ -346,16 +363,20 @@ static void WinMMCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lS
     ALuint ulBytes, ulBytesToCopy;
     ALuint ulCapturedSamples;
     ALuint ulReadOffset;
+    ALuint frameSize = aluBytesFromFormat(pDevice->Format) *
+                       aluChannelsFromFormat(pDevice->Format);
 
     // Check that we have the requested numbers of Samples
-    ulCapturedSamples = (pData->ulWriteCapturedDataPos - pData->ulReadCapturedDataPos) / pDevice->FrameSize;
+    ulCapturedSamples = (pData->ulWriteCapturedDataPos -
+                         pData->ulReadCapturedDataPos) /
+                        frameSize;
     if(ulSamples > ulCapturedSamples)
     {
         SetALCError(ALC_INVALID_VALUE);
         return;
     }
 
-    ulBytes = ulSamples * pDevice->FrameSize;
+    ulBytes = ulSamples * frameSize;
 
     // Get Read Offset
     ulReadOffset = (pData->ulReadCapturedDataPos % pData->ulCapturedDataSize);
@@ -384,7 +405,8 @@ static ALCuint WinMMAvailableSamples(ALCdevice *pDevice)
 {
     WinMMData *pData = (WinMMData*)pDevice->ExtraData;
     ALCuint lCapturedBytes = (pData->ulWriteCapturedDataPos - pData->ulReadCapturedDataPos);
-    return lCapturedBytes / pDevice->FrameSize;
+    return lCapturedBytes / (aluBytesFromFormat(pDevice->Format) *
+                             aluChannelsFromFormat(pDevice->Format));
 }
 
 

CMakeLists.txt

@@ -1,5 +1,11 @@
 # CMake build file list for OpenAL
 
+CMAKE_MINIMUM_REQUIRED(VERSION 2.4)
+
+IF(COMMAND CMAKE_POLICY)
+  CMAKE_POLICY(SET CMP0003 NEW)
+ENDIF(COMMAND CMAKE_POLICY)
+
 INCLUDE(CheckFunctionExists)
 INCLUDE(CheckLibraryExists)
 INCLUDE(CheckIncludeFile)
@@ -9,36 +15,42 @@ INCLUDE(CheckCSourceCompiles)
 INCLUDE(CheckTypeSize)
 
 
-PROJECT(OpenAL)
+PROJECT(OpenAL C)
 
 
 SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)
 
 
-OPTION(ALSA    "ALSA backend"                ON)
-OPTION(OSS     "OSS backend"                 ON)
-OPTION(DSOUND  "DirectSound backend"         ON)
-OPTION(WINMM   "Windows Multimedia backend"  ON)
+OPTION(ALSA    "Check for ALSA backend"                ON)
+OPTION(OSS     "Check for OSS backend"                 ON)
+OPTION(SOLARIS "Check for Solaris backend"             ON)
+OPTION(DSOUND  "Check for DirectSound backend"         ON)
+OPTION(WINMM   "Check for Windows Multimedia backend"  ON)
 
-OPTION(DLOPEN  "Use the dlopen API for loading optional libs"  ON)
+OPTION(DLOPEN  "Check for the dlopen API for loading optional libs"  ON)
 
-OPTION(DEBUG    "Build lib in debug mode"                   OFF)
-OPTION(NODEBUG  "Disable all debug info for optimizations"  OFF)
-OPTION(WERROR   "Treat compile warnings as errors"          OFF)
+OPTION(WERROR  "Treat compile warnings as errors"      OFF)
+
+OPTION(EXAMPLES  "Build example programs"              ON)
+
+OPTION(XCOMPILEWIN32  "Cross-compile to Win32" OFF)
 
 
-SET(LIB_MAJOR_VERSION "1")
-SET(LIB_MINOR_VERSION "0")
-SET(LIB_BUILD_VERSION "38")
-SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_BUILD_VERSION}")
-
-
-IF("${WIN32}")
+IF(WIN32 OR XCOMPILEWIN32)
     SET(LIBNAME openal32)
+    ADD_DEFINITIONS("-D_WIN32")
 ELSE()
     SET(LIBNAME openal)
 ENDIF()
 
+SET(LIB_MAJOR_VERSION "1")
+SET(LIB_MINOR_VERSION "6")
+SET(LIB_BUILD_VERSION "372")
+SET(LIB_VERSION "${LIB_MAJOR_VERSION}.${LIB_MINOR_VERSION}.${LIB_BUILD_VERSION}")
+IF(NOT DEFINED LIB_INSTALL_DIR)
+  SET(LIB_INSTALL_DIR "lib")
+ENDIF(NOT DEFINED LIB_INSTALL_DIR)
+
 
 CHECK_TYPE_SIZE("long" SIZEOF_LONG)
 CHECK_TYPE_SIZE("long long" SIZEOF_LONG_LONG)
@@ -48,10 +60,19 @@ CHECK_TYPE_SIZE("void*" SIZEOF_VOIDP)
 
 # Add definitions, compiler switches, etc.
 INCLUDE_DIRECTORIES(OpenAL32/Include include "${OpenAL_BINARY_DIR}")
-SET(EXTRA_LIBS m ${EXTRA_LIBS})
 
-IF("${MSVC}")
+IF(NOT CMAKE_BUILD_TYPE)
+    SET(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING
+        "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
+        FORCE)
+ENDIF()
+
+IF(MSVC)
     # ???
+    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -D_DEBUG")
+    SET(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -DNDEBUG")
+    SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -DNDEBUG")
+    SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
 ELSE()
     ADD_DEFINITIONS(-Wall)
     CHECK_C_COMPILER_FLAG(-Wextra HAVE_W_EXTRA)
@@ -63,23 +84,21 @@ ELSE()
         ADD_DEFINITIONS(-Werror)
     ENDIF()
 
-    IF(DEBUG)
-        ADD_DEFINITIONS(-g3)
-    ELSEIF(NODEBUG)
-        ADD_DEFINITIONS(-O2 -funroll-loops -fomit-frame-pointer)
-    ELSE()
-        ADD_DEFINITIONS(-g -O2 -funroll-loops)
-    ENDIF()
-
-    # The mixer doesn't like GCC's strict aliasing optimizations. Make sure
-    # it's turned off
-    CHECK_C_COMPILER_FLAG(-fstrict-aliasing HAVE_STRICT_ALIASING)
-    IF("${HAVE_STRICT_ALIASING}")
-        ADD_DEFINITIONS(-fno-strict-aliasing)
-    ENDIF()
+    SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-g -O2 -funroll-loops -D_DEBUG" CACHE STRING
+        "Flags used by the compiler during Release with Debug Info builds."
+        FORCE)
+    SET(CMAKE_C_FLAGS_MINSIZEREL "-Os -DNDEBUG" CACHE STRING
+        "Flags used by the compiler during release minsize builds."
+        FORCE)
+    SET(CMAKE_C_FLAGS_RELEASE "-O2 -funroll-loops -fomit-frame-pointer -DNDEBUG" CACHE STRING
+        "Flags used by the compiler during release builds"
+        FORCE)
+    SET(CMAKE_C_FLAGS_DEBUG "-g3 -D_DEBUG" CACHE STRING
+        "Flags used by the compiler during debug builds."
+        FORCE)
 
     # Set visibility options if available
-    IF(NOT "${WIN32}")
+    IF(NOT WIN32 AND NOT XCOMPILEWIN32)
         CHECK_C_SOURCE_COMPILES("int foo() __attribute__((destructor));
                                  int main() {return 0;}" HAVE_GCC_DESTRUCTOR)
 
@@ -94,65 +113,104 @@ ELSE()
     ENDIF()
 ENDIF()
 
-IF(DEBUG)
-    ADD_DEFINITIONS(-D_DEBUG)
-ELSEIF(NODEBUG)
-    ADD_DEFINITIONS(-DNDEBUG)
-ENDIF()
+CHECK_INCLUDE_FILE(fenv.h HAVE_FENV_H)
+CHECK_INCLUDE_FILE(float.h HAVE_FLOAT_H)
 
 CHECK_LIBRARY_EXISTS(m  sqrtf  "" HAVE_SQRTF)
+CHECK_LIBRARY_EXISTS(m  acosf  "" HAVE_ACOSF)
+IF(HAVE_FENV_H)
+    CHECK_LIBRARY_EXISTS(m  fesetround  "" HAVE_FESETROUND)
+ENDIF()
+IF(HAVE_SQRTF OR HAVE_ACOSF OR HAVE_FESETROUND)
+    SET(EXTRA_LIBS m ${EXTRA_LIBS})
+ENDIF()
 CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF)
+CHECK_FUNCTION_EXISTS(_controlfp HAVE__CONTROLFP)
 
 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
-IF(NOT "${HAVE_STRCASECMP}")
+IF(NOT HAVE_STRCASECMP)
     CHECK_FUNCTION_EXISTS(_stricmp HAVE__STRICMP)
-    IF(NOT "${HAVE__STRICMP}")
+    IF(NOT HAVE__STRICMP)
         MESSAGE(FATAL_ERROR "No case-insensitive compare function found, please report!")
     ENDIF()
 
     ADD_DEFINITIONS(-Dstrcasecmp=_stricmp)
 ENDIF()
 
+CHECK_FUNCTION_EXISTS(strncasecmp HAVE_STRNCASECMP)
+IF(NOT HAVE_STRNCASECMP)
+    CHECK_FUNCTION_EXISTS(_strnicmp HAVE__STRNICMP)
+    IF(NOT HAVE__STRNICMP)
+        MESSAGE(FATAL_ERROR "No case-insensitive size-limitted compare function found, please report!")
+    ENDIF()
+
+    ADD_DEFINITIONS(-Dstrncasecmp=_strnicmp)
+ENDIF()
+
+CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
+IF(NOT HAVE_SNPRINTF)
+    CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
+    IF(NOT HAVE__SNPRINTF)
+        MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
+    ENDIF()
+
+    ADD_DEFINITIONS(-Dsnprintf=_snprintf)
+ENDIF()
+
 # Check for the dlopen API (for dynamicly loading backend libs)
 IF(DLOPEN)
     CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
-    IF("${HAVE_DLFCN_H}")
+    IF(HAVE_DLFCN_H)
         CHECK_LIBRARY_EXISTS(dl dlopen "" HAVE_LIBDL)
-        IF("${HAVE_LIBDL}")
+        IF(HAVE_LIBDL)
             SET(EXTRA_LIBS dl ${EXTRA_LIBS})
         ENDIF()
     ENDIF()
 ENDIF()
 
 # Check if we have Windows headers
-CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H)
-IF(NOT "${HAVE_WINDOWS_H}")
+CHECK_INCLUDE_FILE(windows.h HAVE_WINDOWS_H -D_WIN32_WINNT=0x0500)
+IF(NOT HAVE_WINDOWS_H)
+    CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
+    IF(NOT HAVE_GETTIMEOFDAY)
+        MESSAGE(FATAL_ERROR "No timing function found!")
+    ENDIF()
+
+    CHECK_FUNCTION_EXISTS(nanosleep HAVE_NANOSLEEP)
+    IF(NOT HAVE_NANOSLEEP)
+        MESSAGE(FATAL_ERROR "No sleep function found!")
+    ENDIF()
+
     # We need pthreads outside of Windows
     CHECK_INCLUDE_FILE(pthread.h HAVE_PTHREAD_H)
-    IF(NOT "${HAVE_PTHREAD_H}")
+    IF(NOT HAVE_PTHREAD_H)
         MESSAGE(FATAL_ERROR "PThreads is required for non-Windows builds!")
     ENDIF()
 
+    # Some systems need pthread_np.h to get recursive mutexes
+    CHECK_INCLUDE_FILES("pthread.h;pthread_np.h" HAVE_PTHREAD_NP_H)
+
     # _GNU_SOURCE is needed on some systems for extra attributes, and
     # _REENTRANT is needed for libc thread-safety
     ADD_DEFINITIONS(-D_GNU_SOURCE=1 -D_REENTRANT)
     CHECK_LIBRARY_EXISTS(pthread pthread_create "" HAVE_LIBPTHREAD)
-    IF("${HAVE_LIBPTHREAD}")
+    IF(HAVE_LIBPTHREAD)
         SET(EXTRA_LIBS pthread ${EXTRA_LIBS})
     ENDIF()
 ENDIF()
 
 # Check for a 64-bit type
 CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
-IF(NOT "${HAVE_STDINT_H}")
-    IF("${HAVE_WINDOWS_H}")
-        CHECK_C_SOURCE_COMPILES("\#include <windows.h>
+IF(NOT HAVE_STDINT_H)
+    IF(HAVE_WINDOWS_H)
+        CHECK_C_SOURCE_COMPILES("\#define _WIN32_WINNT 0x0500
+                                 \#include <windows.h>
                                  __int64 foo;
                                  int main() {return 0;}" HAVE___INT64)
     ENDIF()
-    IF(NOT "${HAVE___INT64}")
-        IF(NOT "${SIZEOF_LONG}" MATCHES "8")
-            IF(NOT "${SIZEOF_LONG_LONG}" MATCHES "8")
+    IF(NOT HAVE___INT64)
+        IF(NOT SIZEOF_LONG MATCHES "8")
+            IF(NOT SIZEOF_LONG_LONG MATCHES "8")
                 MESSAGE(FATAL_ERROR "No 64-bit types found, please report!")
             ENDIF()
         ENDIF()
@@ -160,19 +218,25 @@ IF(NOT "${HAVE_STDINT_H}")
 ENDIF()
 
 
-SET(OPENAL_OBJS  OpenAL32/alBuffer.c
+SET(OPENAL_OBJS  OpenAL32/alAuxEffectSlot.c
+                 OpenAL32/alBuffer.c
+                 OpenAL32/alEffect.c
                  OpenAL32/alError.c
                  OpenAL32/alExtension.c
+                 OpenAL32/alFilter.c
                  OpenAL32/alListener.c
                  OpenAL32/alSource.c
                  OpenAL32/alState.c
                  OpenAL32/alThunk.c
-                 OpenAL32/OpenAL32.c
 )
 SET(ALC_OBJS  Alc/ALc.c
               Alc/ALu.c
               Alc/alcConfig.c
+              Alc/alcReverb.c
+              Alc/alcRing.c
               Alc/alcThread.c
+              Alc/bs2b.c
+              Alc/wave.c
 )
 
 SET(BACKENDS "")
@@ -180,15 +244,15 @@ SET(BACKENDS "")
 # Check ALSA backend
 IF(ALSA)
     CHECK_INCLUDE_FILE(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)
-    IF("${HAVE_ALSA_ASOUNDLIB_H}")
+    IF(HAVE_ALSA_ASOUNDLIB_H)
         CHECK_LIBRARY_EXISTS(asound snd_pcm_open "" HAVE_LIBASOUND)
-        IF("${HAVE_DLFCN_H}" OR "${HAVE_LIBASOUND}")
+        IF(HAVE_DLFCN_H OR HAVE_LIBASOUND)
             SET(HAVE_ALSA 1)
             SET(ALC_OBJS  ${ALC_OBJS} Alc/alsa.c)
-            IF("${HAVE_DLFCN_H}")
-                SET(BACKENDS  ${BACKENDS} ALSA)
+            IF(HAVE_DLFCN_H)
+                SET(BACKENDS  "${BACKENDS} ALSA,")
             ELSE()
-                SET(BACKENDS  ${BACKENDS} ALSA\(linked\))
+                SET(BACKENDS  "${BACKENDS} ALSA \(linked\),")
                 SET(EXTRA_LIBS asound ${EXTRA_LIBS})
             ENDIF()
         ENDIF()
@@ -198,79 +262,136 @@ ENDIF()
 # Check OSS backend
 IF(OSS)
     CHECK_INCLUDE_FILE(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
-    IF("${HAVE_SYS_SOUNDCARD_H}")
+    IF(HAVE_SYS_SOUNDCARD_H)
         SET(HAVE_OSS 1)
         SET(ALC_OBJS  ${ALC_OBJS} Alc/oss.c)
-        SET(BACKENDS  ${BACKENDS} OSS)
+        SET(BACKENDS  "${BACKENDS} OSS,")
+    ENDIF()
+ENDIF()
+
+# Check Solaris backend
+IF(SOLARIS)
+    CHECK_INCLUDE_FILE(sys/audioio.h HAVE_SYS_AUDIOIO_H)
+    IF(HAVE_SYS_AUDIOIO_H)
+        SET(HAVE_SOLARIS 1)
+        SET(ALC_OBJS  ${ALC_OBJS} Alc/solaris.c)
+        SET(BACKENDS  "${BACKENDS} Solaris,")
     ENDIF()
 ENDIF()
 
 # Check DSound/MMSystem backend
-IF("${HAVE_WINDOWS_H}")
-    SET(CMAKE_REQUIRED_LIBRARIES ole32)
-    CHECK_C_SOURCE_COMPILES("int main() {return 0;}" HAVE_LIBOLE32)
-    SET(CMAKE_REQUIRED_LIBRARIES "")
-#    CHECK_LIBRARY_EXISTS(ole32 CoInitialize "" HAVE_LIBOLE32)
-    IF("${HAVE_LIBOLE32}")
-        SET(EXTRA_LIBS ole32 ${EXTRA_LIBS})
-    ENDIF()
+IF(DSOUND)
+    CHECK_INCLUDE_FILE(dsound.h HAVE_DSOUND_H)
+    IF(HAVE_DSOUND_H)
+        SET(HAVE_DSOUND 1)
+        SET(ALC_OBJS  ${ALC_OBJS} Alc/dsound.c)
+        SET(BACKENDS  "${BACKENDS} DirectSound,")
 
-    IF(DSOUND)
-        CHECK_INCLUDE_FILE(dsound.h HAVE_DSOUND_H)
-        IF("${HAVE_DSOUND_H}")
-            SET(HAVE_DSOUND 1)
-            SET(ALC_OBJS  ${ALC_OBJS} Alc/dsound.c)
-            SET(BACKENDS  ${BACKENDS} DirectSound)
-
-            CHECK_LIBRARY_EXISTS(dxguid IID_IDirectSound "" HAVE_LIBDXGUID)
-            IF("${HAVE_LIBDXGUID}")
-                SET(EXTRA_LIBS dxguid ${EXTRA_LIBS})
-            ENDIF()
+        SET(CMAKE_REQUIRED_LIBRARIES dsound)
+        CHECK_C_SOURCE_COMPILES("int main() {return 0;}" HAVE_LIBDSOUND)
+        SET(CMAKE_REQUIRED_LIBRARIES "")
+#        CHECK_LIBRARY_EXISTS(dsound DirectSoundCreate "" HAVE_LIBDSOUND)
+        IF(HAVE_LIBDSOUND)
+            SET(EXTRA_LIBS dsound ${EXTRA_LIBS})
         ENDIF()
     ENDIF()
+ENDIF()
+IF(HAVE_WINDOWS_H)
     IF(WINMM)
-        CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H)
-        IF("${HAVE_MMSYSTEM_H}")
+        CHECK_INCLUDE_FILES("windows.h;mmsystem.h" HAVE_MMSYSTEM_H -D_WIN32_WINNT=0x0500)
+        IF(HAVE_MMSYSTEM_H)
             SET(HAVE_WINMM 1)
             SET(ALC_OBJS  ${ALC_OBJS} Alc/winmm.c)
-            SET(BACKENDS  ${BACKENDS} WinMM)
+            SET(BACKENDS  "${BACKENDS} WinMM,")
 
             SET(CMAKE_REQUIRED_LIBRARIES winmm)
             CHECK_C_SOURCE_COMPILES("int main() {return 0;}" HAVE_LIBWINMM)
             SET(CMAKE_REQUIRED_LIBRARIES "")
 #            CHECK_LIBRARY_EXISTS(winmm waveInOpen "" HAVE_LIBWINMM)
-            IF("${HAVE_LIBWINMM}")
+            IF(HAVE_LIBWINMM)
                 SET(EXTRA_LIBS winmm ${EXTRA_LIBS})
             ENDIF()
         ENDIF()
     ENDIF()
 ENDIF()
 
+# This is always available
+SET(BACKENDS  "${BACKENDS} WaveFile")
+
+# Needed for openal.pc.in
+SET(prefix ${CMAKE_INSTALL_PREFIX})
+SET(exec_prefix "\${prefix}")
+SET(libdir "\${exec_prefix}/${LIB_INSTALL_DIR}")
+SET(bindir "\${exec_prefix}/bin")
+SET(includedir "\${prefix}/include")
+SET(PACKAGE_VERSION "${LIB_VERSION}")
+
 # End configuration
 CONFIGURE_FILE(
     "${OpenAL_SOURCE_DIR}/config.h.in"
     "${OpenAL_BINARY_DIR}/config.h")
+CONFIGURE_FILE(
+    "${OpenAL_SOURCE_DIR}/admin/pkgconfig/openal.pc.in"
+    "${OpenAL_BINARY_DIR}/admin/pkgconfig/openal.pc"
+    @ONLY)
 
 ADD_DEFINITIONS(-DAL_BUILD_LIBRARY)
 
-# Build a shared library
-ADD_LIBRARY(${LIBNAME} SHARED ${OPENAL_OBJS} ${ALC_OBJS})
-SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION} SOVERSION ${LIB_MAJOR_VERSION})
+# Build a library
+IF(NOT LIBTYPE)
+    SET(LIBTYPE SHARED)
+ENDIF()
+ADD_LIBRARY(${LIBNAME} ${LIBTYPE} ${OPENAL_OBJS} ${ALC_OBJS})
+SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES VERSION ${LIB_VERSION}
+                                            SOVERSION ${LIB_MAJOR_VERSION})
+IF(WIN32)
+    SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "")
+ENDIF()
+IF(XCOMPILEWIN32)
+    SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES PREFIX "" SUFFIX .dll)
+    IF(EXAMPLES)
+        SET(EXAMPLES OFF)
+        MESSAGE(STATUS "")
+        MESSAGE(STATUS "Building examples disabled when cross-compiling")
+    ENDIF()
+ENDIF()
+SET_TARGET_PROPERTIES(${LIBNAME} PROPERTIES OUTPUT_NAME ${LIBNAME})
 
 TARGET_LINK_LIBRARIES(${LIBNAME} ${EXTRA_LIBS})
 
 # Add an install target here
 INSTALL(TARGETS ${LIBNAME}
         RUNTIME DESTINATION bin
-        LIBRARY DESTINATION lib
-        ARCHIVE DESTINATION lib
+        LIBRARY DESTINATION ${LIB_INSTALL_DIR}
+        ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
 )
 INSTALL(FILES include/AL/al.h
               include/AL/alc.h
+              include/AL/alext.h
         DESTINATION include/AL
 )
+INSTALL(FILES "${OpenAL_BINARY_DIR}/admin/pkgconfig/openal.pc"
+        DESTINATION lib/pkgconfig)
+
+IF(EXAMPLES)
+    ADD_EXECUTABLE(openal-info examples/openal-info.c)
+    TARGET_LINK_LIBRARIES(openal-info ${LIBNAME})
+    INSTALL(TARGETS openal-info
+            RUNTIME DESTINATION bin
+            LIBRARY DESTINATION ${LIB_INSTALL_DIR}
+            ARCHIVE DESTINATION ${LIB_INSTALL_DIR}
+    )
+ENDIF()
 
 MESSAGE(STATUS "")
 MESSAGE(STATUS "Building OpenAL with support for the following backends:")
 MESSAGE(STATUS "    ${BACKENDS}")
 MESSAGE(STATUS "")
+
+IF(WIN32 OR XCOMPILEWIN32)
+    IF(NOT HAVE_DSOUND)
+        MESSAGE(STATUS "WARNING: Building the Windows version without DirectSound output")
+        MESSAGE(STATUS "         This is probably NOT what you want!")
+        MESSAGE(STATUS "")
+    ENDIF()
+ENDIF()

OpenAL32/Include/alAuxEffectSlot.h

@@ -0,0 +1,56 @@
+#ifndef _AL_AUXEFFECTSLOT_H_
+#define _AL_AUXEFFECTSLOT_H_
+
+#include "AL/al.h"
+#include "alEffect.h"
+#include "alFilter.h"
+#include "alReverb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define AL_EFFECTSLOT_EFFECT                               0x0001
+#define AL_EFFECTSLOT_GAIN                                 0x0002
+#define AL_EFFECTSLOT_AUXILIARY_SEND_AUTO                  0x0003
+
+#define AL_EFFECTSLOT_NULL                                 0x0000
+
+typedef struct ALeffectslot
+{
+    ALeffect effect;
+
+    ALfloat Gain;
+    ALboolean AuxSendAuto;
+
+    ALverbState *ReverbState;
+
+    ALuint refcount;
+
+    // Index to itself
+    ALuint effectslot;
+
+    struct ALeffectslot *next;
+} ALeffectslot;
+
+ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots);
+ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots);
+ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot);
+
+ALvoid AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint iValue);
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat flValue);
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues);
+
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint *piValue);
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat *pflValue);
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues);
+
+ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

OpenAL32/Include/alBuffer.h

@@ -18,11 +18,14 @@ typedef struct ALbuffer_struct
     ALshort *data;
     ALsizei  size;
     ALsizei  frequency;
+    ALsizei  padding;
     ALenum   state;
     ALuint   refcount; // Number of sources using this buffer (deletion can only occur when this is 0)
     struct ALbuffer_struct *next;
 } ALbuffer;
 
+ALvoid ALAPIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length);
+
 ALvoid ReleaseALBuffers(ALvoid);
 
 #ifdef __cplusplus

OpenAL32/Include/alEffect.h

@@ -0,0 +1,96 @@
+#ifndef _AL_EFFECT_H_
+#define _AL_EFFECT_H_
+
+#include "AL/al.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define AL_EFFECT_TYPE                                     0x8001
+
+#define AL_EFFECT_NULL                                     0x0000
+#define AL_EFFECT_REVERB                                   0x0001
+#define AL_EFFECT_CHORUS                                   0x0002
+#define AL_EFFECT_DISTORTION                               0x0003
+#define AL_EFFECT_ECHO                                     0x0004
+#define AL_EFFECT_FLANGER                                  0x0005
+#define AL_EFFECT_FREQUENCY_SHIFTER                        0x0006
+#define AL_EFFECT_VOCAL_MORPHER                            0x0007
+#define AL_EFFECT_PITCH_SHIFTER                            0x0008
+#define AL_EFFECT_RING_MODULATOR                           0x0009
+#define AL_EFFECT_AUTOWAH                                  0x000A
+#define AL_EFFECT_COMPRESSOR                               0x000B
+#define AL_EFFECT_EQUALIZER                                0x000C
+
+#define AL_REVERB_DENSITY                                  0x0001
+#define AL_REVERB_DIFFUSION                                0x0002
+#define AL_REVERB_GAIN                                     0x0003
+#define AL_REVERB_GAINHF                                   0x0004
+#define AL_REVERB_DECAY_TIME                               0x0005
+#define AL_REVERB_DECAY_HFRATIO                            0x0006
+#define AL_REVERB_REFLECTIONS_GAIN                         0x0007
+#define AL_REVERB_REFLECTIONS_DELAY                        0x0008
+#define AL_REVERB_LATE_REVERB_GAIN                         0x0009
+#define AL_REVERB_LATE_REVERB_DELAY                        0x000A
+#define AL_REVERB_AIR_ABSORPTION_GAINHF                    0x000B
+#define AL_REVERB_ROOM_ROLLOFF_FACTOR                      0x000C
+#define AL_REVERB_DECAY_HFLIMIT                            0x000D
+
+
+enum {
+    REVERB = 0,
+    MAX_EFFECTS
+};
+extern ALboolean DisabledEffects[MAX_EFFECTS];
+
+
+typedef struct ALeffect_struct
+{
+    // Effect type (AL_EFFECT_NULL, ...)
+    ALenum type;
+
+    struct {
+        ALfloat Density;
+        ALfloat Diffusion;
+
+        ALfloat Gain;
+        ALfloat GainHF;
+        ALfloat DecayTime;
+        ALfloat DecayHFRatio;
+        ALfloat ReflectionsGain;
+        ALfloat ReflectionsDelay;
+        ALfloat LateReverbGain;
+        ALfloat LateReverbDelay;
+        ALfloat AirAbsorptionGainHF;
+        ALfloat RoomRolloffFactor;
+        ALboolean DecayHFLimit;
+    } Reverb;
+
+    // Index to itself
+    ALuint effect;
+
+    struct ALeffect_struct *next;
+} ALeffect;
+
+ALvoid AL_APIENTRY alGenEffects(ALsizei n, ALuint *effects);
+ALvoid AL_APIENTRY alDeleteEffects(ALsizei n, ALuint *effects);
+ALboolean AL_APIENTRY alIsEffect(ALuint effect);
+
+ALvoid AL_APIENTRY alEffecti(ALuint effect, ALenum param, ALint iValue);
+ALvoid AL_APIENTRY alEffectiv(ALuint effect, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alEffectf(ALuint effect, ALenum param, ALfloat flValue);
+ALvoid AL_APIENTRY alEffectfv(ALuint effect, ALenum param, ALfloat *pflValues);
+
+ALvoid AL_APIENTRY alGetEffecti(ALuint effect, ALenum param, ALint *piValue);
+ALvoid AL_APIENTRY alGetEffectiv(ALuint effect, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alGetEffectf(ALuint effect, ALenum param, ALfloat *pflValue);
+ALvoid AL_APIENTRY alGetEffectfv(ALuint effect, ALenum param, ALfloat *pflValues);
+
+ALvoid ReleaseALEffects(ALvoid);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

OpenAL32/Include/alFilter.h

@@ -0,0 +1,60 @@
+#ifndef _AL_FILTER_H_
+#define _AL_FILTER_H_
+
+#include "AL/al.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+    ALfloat history[4];
+    ALfloat coeff;
+} FILTER;
+
+#define AL_FILTER_TYPE                                     0x8001
+
+#define AL_FILTER_NULL                                     0x0000
+#define AL_FILTER_LOWPASS                                  0x0001
+#define AL_FILTER_HIGHPASS                                 0x0002
+#define AL_FILTER_BANDPASS                                 0x0003
+
+#define AL_LOWPASS_GAIN                                    0x0001
+#define AL_LOWPASS_GAINHF                                  0x0002
+
+
+typedef struct ALfilter_struct
+{
+    // Filter type (AL_FILTER_NULL, ...)
+    ALenum type;
+
+    ALfloat Gain;
+    ALfloat GainHF;
+
+    // Index to itself
+    ALuint filter;
+
+    struct ALfilter_struct *next;
+} ALfilter;
+
+ALvoid AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters);
+ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, ALuint *filters);
+ALboolean AL_APIENTRY alIsFilter(ALuint filter);
+
+ALvoid AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint iValue);
+ALvoid AL_APIENTRY alFilteriv(ALuint filter, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat flValue);
+ALvoid AL_APIENTRY alFilterfv(ALuint filter, ALenum param, ALfloat *pflValues);
+
+ALvoid AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *piValue);
+ALvoid AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *piValues);
+ALvoid AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *pflValue);
+ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *pflValues);
+
+ALvoid ReleaseALFilters(ALvoid);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

OpenAL32/Include/alListener.h

@@ -7,6 +7,8 @@
 extern "C" {
 #endif
 
+#define AL_METERS_PER_UNIT                                 0x20004
+
 typedef struct ALlistener_struct
 {
     ALfloat Position[3];
@@ -14,6 +16,7 @@ typedef struct ALlistener_struct
     ALfloat Forward[3];
     ALfloat Up[3];
     ALfloat Gain;
+    ALfloat MetersPerUnit;
 } ALlistener;
 
 #ifdef __cplusplus

OpenAL32/Include/alMain.h

@@ -1,21 +1,32 @@
 #ifndef AL_MAIN_H
 #define AL_MAIN_H
 
-#define AL_MAX_CHANNELS        4
-#define AL_MAX_SOURCES        32
-
 #include <string.h>
+#include <stdio.h>
 
 #include "alu.h"
 
+#ifdef HAVE_FENV_H
+#include <fenv.h>
+#endif
+
 #ifdef _WIN32
+
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0500
+#endif
 #include <windows.h>
-//#define strcasecmp _stricmp
 
 #else
 
 #include <assert.h>
 #include <pthread.h>
+#ifdef HAVE_PTHREAD_NP_H
+#include <pthread_np.h>
+#endif
+#include <sys/time.h>
+#include <time.h>
+#include <errno.h>
 
 #define IsBadWritePtr(a,b) (0)
 
@@ -41,6 +52,10 @@ static inline void InitializeCriticalSection(CRITICAL_SECTION *cs)
     assert(ret == 0);
 
     ret = pthread_mutexattr_settype(&attrib, PTHREAD_MUTEX_RECURSIVE);
+#ifdef HAVE_PTHREAD_NP_H
+    if(ret != 0)
+        ret = pthread_mutexattr_setkind_np(&attrib, PTHREAD_MUTEX_RECURSIVE);
+#endif
     assert(ret == 0);
     ret = pthread_mutex_init(cs, &attrib);
     assert(ret == 0);
@@ -55,49 +70,65 @@ static inline void DeleteCriticalSection(CRITICAL_SECTION *cs)
     assert(ret == 0);
 }
 
+/* NOTE: This wrapper isn't quite accurate as it returns an ALuint, as opposed
+ * to the expected DWORD. Both are defined as unsigned 32-bit types, however.
+ * Additionally, Win32 is supposed to measure the time since Windows started,
+ * as opposed to the actual time. */
+static inline ALuint timeGetTime(void)
+{
+    struct timeval tv;
+    int ret;
+
+    ret = gettimeofday(&tv, NULL);
+    assert(ret == 0);
+
+    return tv.tv_usec/1000 + tv.tv_sec*1000;
+}
+
+static inline void Sleep(ALuint t)
+{
+    struct timespec tv, rem;
+    tv.tv_nsec = (t*1000000)%1000000000;
+    tv.tv_sec = t/1000;
+
+    while(nanosleep(&tv, &rem) == -1 && errno == EINTR)
+        tv = rem;
+}
 #define min(x,y) (((x)<(y))?(x):(y))
 #define max(x,y) (((x)>(y))?(x):(y))
 #endif
 
-#include "alBuffer.h"
-#include "alError.h"
-#include "alExtension.h"
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "AL/alext.h"
 #include "alListener.h"
-#include "alSource.h"
-#include "alState.h"
-#include "alThunk.h"
 
 #ifdef __cplusplus
-extern "C"
-{
+extern "C" {
 #endif
 
-extern CRITICAL_SECTION g_mutex;
+extern char _alDebug[256];
 
-extern char szDebug[256];
-
-#define AL_PRINT(...) do {                       \
-    int _al_print_i;                             \
-    char *_al_print_fn = strrchr(__FILE__, '/'); \
-    if(!_al_print_fn) _al_print_fn  = __FILE__;  \
-    else              _al_print_fn += 1;         \
-    _al_print_i = snprintf(szDebug, sizeof(szDebug), "AL lib: %s:%d: ", _al_print_fn, __LINE__); \
-    snprintf(szDebug+_al_print_i, sizeof(szDebug)-_al_print_i, __VA_ARGS__); \
-    fprintf(stderr, "%s", szDebug);              \
+#define AL_PRINT(...) do {                             \
+    int _al_print_i;                                   \
+    const char *_al_print_fn = strrchr(__FILE__, '/'); \
+    if(!_al_print_fn) _al_print_fn  = __FILE__;        \
+    else              _al_print_fn += 1;               \
+    _al_print_i = snprintf(_alDebug, sizeof(_alDebug), "AL lib: %s:%d: ", _al_print_fn, __LINE__); \
+    if(_al_print_i < (int)sizeof(_alDebug) && _al_print_i > 0)                     \
+        snprintf(_alDebug+_al_print_i, sizeof(_alDebug)-_al_print_i, __VA_ARGS__); \
+    _alDebug[sizeof(_alDebug)-1] = 0; \
+    fprintf(stderr, "%s", _alDebug);  \
 } while(0)
 
 
-#define AL_FORMAT_MONO_IMA4                      0x1300
-#define AL_FORMAT_STEREO_IMA4                    0x1301
-// These are from AL_EXT_MCFORMATS, which we don't support yet but the mixer
-// can use 4-channel formats
-#define AL_FORMAT_QUAD8                          0x1204
-#define AL_FORMAT_QUAD16                         0x1205
-
 #define SWMIXER_OUTPUT_RATE        44100
-//#define OUTPUT_BUFFER_SIZE         (32768*SWMIXER_OUTPUT_RATE/22050)
 
 #define SPEEDOFSOUNDMETRESPERSEC   (343.3f)
+#define AIRABSORBGAINDBHF          (-0.05f)
+
+#define LOWPASSFREQCUTOFF          (5000)
+
 
 typedef struct {
     ALCboolean (*OpenPlayback)(ALCdevice*, const ALCchar*);
@@ -113,19 +144,18 @@ typedef struct {
 
 void alc_alsa_init(BackendFuncs *func_list);
 void alc_oss_init(BackendFuncs *func_list);
+void alc_solaris_init(BackendFuncs *func_list);
 void alcDSoundInit(BackendFuncs *func_list);
 void alcWinMMInit(BackendFuncs *FuncList);
+void alc_wave_init(BackendFuncs *func_list);
 
 
 struct ALCdevice_struct
 {
-    ALboolean    InUse;
     ALboolean    IsCaptureDevice;
 
     ALuint       Frequency;
-    ALuint       UpdateFreq;
-    ALuint       FrameSize;
-    ALuint       Channels;
+    ALuint       UpdateSize;
     ALenum       Format;
 
     ALCchar      *szDeviceName;
@@ -138,6 +168,8 @@ struct ALCdevice_struct
 
     BackendFuncs *Funcs;
     void         *ExtraData; // For the backend's use
+
+    ALCdevice *next;
 };
 
 #define ALCdevice_OpenPlayback(a,b)      ((a)->Funcs->OpenPlayback((a), (b)))
@@ -153,8 +185,11 @@ struct ALCcontext_struct
 {
     ALlistener  Listener;
 
-    ALsource   *Source;
-    ALuint      SourceCount;
+    struct ALsource *Source;
+    ALuint           SourceCount;
+
+    struct ALeffectslot *AuxiliaryEffectSlot;
+    ALuint               AuxiliaryEffectSlotCount;
 
     ALenum      LastError;
     ALboolean   InUse;
@@ -171,11 +206,15 @@ struct ALCcontext_struct
     ALint       lNumStereoSources;
 
     ALCdevice  *Device;
-    ALCchar     ExtensionList[1024];
+    const ALCchar *ExtensionList;
+
+    struct bs2b *bs2b;
 
     ALCcontext *next;
 };
 
+ALCvoid ReleaseALC(ALCvoid);
+
 ALCchar *AppendDeviceList(char *name);
 ALCchar *AppendAllDeviceList(char *name);
 ALCchar *AppendCaptureDeviceList(char *name);
@@ -188,6 +227,13 @@ ALCvoid ProcessContext(ALCcontext *context);
 ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr);
 ALuint StopThread(ALvoid *thread);
 
+typedef struct RingBuffer RingBuffer;
+RingBuffer *CreateRingBuffer(ALsizei frame_size, ALsizei length);
+void DestroyRingBuffer(RingBuffer *ring);
+ALsizei RingBufferSize(RingBuffer *ring);
+void WriteRingBuffer(RingBuffer *ring, const ALubyte *data, ALsizei len);
+void ReadRingBuffer(RingBuffer *ring, ALubyte *data, ALsizei len);
+
 void ReadALConfig(void);
 void FreeALConfig(void);
 const char *GetConfigValue(const char *blockName, const char *keyName, const char *def);

OpenAL32/Include/alReverb.h

@@ -0,0 +1,26 @@
+#ifndef _AL_REVERB_H_
+#define _AL_REVERB_H_
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "alMain.h"
+#include "alAuxEffectSlot.h"
+#include "alEffect.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ALverbState ALverbState;
+
+ALverbState *VerbCreate(ALCcontext *Context);
+ALvoid VerbDestroy(ALverbState *State);
+ALvoid VerbUpdate(ALCcontext *Context, struct ALeffectslot *Slot, ALeffect *Effect);
+ALvoid VerbProcess(ALverbState *State, ALuint SamplesToDo, const ALfloat *SamplesIn, ALfloat (*SamplesOut)[OUTPUTCHANNELS]);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

OpenAL32/Include/alSource.h

@@ -3,8 +3,22 @@
 
 #define AL_NUM_SOURCE_PARAMS    128
 
+/* This cannot be changed without working on the code! */
+#define MAX_SENDS                 1
+
+#include "alFilter.h"
+#include "alu.h"
 #include "AL/al.h"
 
+#define AL_DIRECT_FILTER                                   0x20005
+#define AL_AUXILIARY_SEND_FILTER                           0x20006
+#define AL_AIR_ABSORPTION_FACTOR                           0x20007
+#define AL_ROOM_ROLLOFF_FACTOR                             0x20008
+#define AL_CONE_OUTER_GAINHF                               0x20009
+#define AL_DIRECT_FILTER_GAINHF_AUTO                       0x2000A
+#define AL_AUXILIARY_SEND_FILTER_GAIN_AUTO                 0x2000B
+#define AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO               0x2000C
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -17,7 +31,7 @@ typedef struct ALbufferlistitem
     struct ALbufferlistitem *next;
 } ALbufferlistitem;
 
-typedef struct ALsource_struct
+typedef struct ALsource
 {
     ALfloat      flPitch;
     ALfloat      flGain;
@@ -42,28 +56,53 @@ typedef struct ALsource_struct
     ALenum       state;
     ALuint       position;
     ALuint       position_fraction;
+
     struct ALbufferlistitem *queue; // Linked list of buffers in queue
     ALuint       BuffersInQueue;    // Number of buffers in queue
-    ALuint       BuffersProcessed;  // Number of buffers already processed (played)
 
     ALuint TotalBufferDataSize; // Total amount of data contained in the buffers queued for this source
     ALuint BuffersPlayed;       // Number of buffers played on this loop
-    ALuint BufferPosition;      // Read position in audio data of current buffer
+
+    ALfilter DirectFilter;
+
+    struct {
+        struct ALeffectslot *Slot;
+        ALfilter WetFilter;
+        FILTER iirFilter;
+    } Send[MAX_SENDS];
+
+    ALboolean DryGainHFAuto;
+    ALboolean WetGainAuto;
+    ALboolean WetGainHFAuto;
+    ALfloat   OuterGainHF;
+
+    FILTER iirFilter;
+
+    ALfloat AirAbsorptionFactor;
+
+    ALfloat RoomRolloffFactor;
+
+    ALfloat DopplerFactor;
 
     // Index to itself
     ALuint source;
 
-    ALint  lBytesPlayed;
-
     ALint  lOffset;
     ALint  lOffsetType;
 
     // Source Type (Static, Streaming, or Undetermined)
     ALint  lSourceType;
 
-    struct ALsource_struct *next;
+    // Current gains, which are ramped while mixed
+    ALfloat DryGains[OUTPUTCHANNELS];
+    ALfloat WetGain;
+    ALboolean FirstStart;
+
+    struct ALsource *next;
 } ALsource;
 
+ALvoid ReleaseALSources(ALCcontext *Context);
+
 #ifdef __cplusplus
 }
 #endif

OpenAL32/Include/alu.h

@@ -1,12 +1,6 @@
 #ifndef _ALU_H_
 #define _ALU_H_
 
-#define BUFFERSIZE 48000
-#define FRACTIONBITS 14
-#define FRACTIONMASK ((1L<<FRACTIONBITS)-1)
-#define MAX_PITCH 4
-#define OUTPUTCHANNELS 4
-
 #include "AL/al.h"
 #include "AL/alc.h"
 
@@ -14,6 +8,21 @@
 extern "C" {
 #endif
 
+enum {
+    FRONT_LEFT = 0,
+    FRONT_RIGHT,
+    SIDE_LEFT,
+    SIDE_RIGHT,
+    BACK_LEFT,
+    BACK_RIGHT,
+    CENTER,
+    LFE,
+
+    OUTPUTCHANNELS
+};
+
+extern ALboolean DuplicateStereo;
+
 __inline ALuint aluBytesFromFormat(ALenum format);
 __inline ALuint aluChannelsFromFormat(ALenum format);
 ALvoid aluMixData(ALCcontext *context,ALvoid *buffer,ALsizei size,ALenum format);

OpenAL32/Include/bs2b.h

@@ -0,0 +1,109 @@
+/*-
+ * Copyright (c) 2005 Boris Mikhaylov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef BS2B_H
+#define BS2B_H
+
+/* Number of crossfeed levels */
+#define BS2B_CLEVELS           3
+
+/* Normal crossfeed levels */
+#define BS2B_HIGH_CLEVEL       3
+#define BS2B_MIDDLE_CLEVEL     2
+#define BS2B_LOW_CLEVEL        1
+
+/* Easy crossfeed levels */
+#define BS2B_HIGH_ECLEVEL      BS2B_HIGH_CLEVEL    + BS2B_CLEVELS
+#define BS2B_MIDDLE_ECLEVEL    BS2B_MIDDLE_CLEVEL  + BS2B_CLEVELS
+#define BS2B_LOW_ECLEVEL       BS2B_LOW_CLEVEL     + BS2B_CLEVELS
+
+/* Default crossfeed levels */
+#define BS2B_DEFAULT_CLEVEL    BS2B_HIGH_ECLEVEL
+/* Default sample rate (Hz) */
+#define BS2B_DEFAULT_SRATE     44100
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+struct bs2b {
+    int level;  /* Crossfeed level */
+    int srate;   /* Sample rate (Hz) */
+
+    /* Lowpass IIR filter coefficients */
+    double a0_lo;
+    double b1_lo;
+
+    /* Highboost IIR filter coefficients */
+    double a0_hi;
+    double a1_hi;
+    double b1_hi;
+
+    /* Global gain against overloading */
+    double gain;
+
+    /* Buffer of last filtered sample.
+     * [0] - first channel, [1] - second channel
+     */
+    struct t_last_sample {
+        double asis[2];
+        double lo[2];
+        double hi[2];
+    } last_sample;
+};
+
+/* Clear buffers and set new coefficients with new crossfeed level value.
+ * level - crossfeed level of *LEVEL values.
+ */
+void bs2b_set_level(struct bs2b *bs2b, int level);
+
+/* Return current crossfeed level value */
+int bs2b_get_level(struct bs2b *bs2b);
+
+/* Clear buffers and set new coefficients with new sample rate value.
+ * srate - sample rate by Hz.
+ */
+void bs2b_set_srate(struct bs2b *bs2b, int srate);
+
+/* Return current sample rate value */
+int bs2b_get_srate(struct bs2b *bs2b);
+
+/* Clear buffer */
+void bs2b_clear(struct bs2b *bs2b);
+
+/* Return 1 if buffer is clear */
+int bs2b_is_clear(struct bs2b *bs2b);
+
+/* Crossfeeds one stereo sample that are pointed by sample.
+ * [0] - first channel, [1] - second channel.
+ * Returns crossfided samle by sample pointer.
+ */
+
+/* sample poits to floats */
+void bs2b_cross_feed(struct bs2b *bs2b, float *sample);
+
+#ifdef __cplusplus
+}    /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* BS2B_H */

OpenAL32/OpenAL32.c

@@ -1,63 +0,0 @@
-/**
- * OpenAL cross platform audio library
- * Copyright (C) 1999-2007 by authors.
- * This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Library General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- *  License along with this library; if not, write to the
- *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- *  Boston, MA  02111-1307, USA.
- * Or go to http://www.gnu.org/copyleft/lgpl.html
- */
-
-#include "alMain.h"
-#include "alBuffer.h"
-#include "alThunk.h"
-
-CRITICAL_SECTION g_mutex;
-
-#ifdef _WIN32
-BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
-{
-    (void)lpReserved;
-
-    // Perform actions based on the reason for calling.
-    switch(ul_reason_for_call)
-    {
-        case DLL_PROCESS_ATTACH:
-            DisableThreadLibraryCalls(hModule);
-            break;
-
-        case DLL_PROCESS_DETACH:
-            ReleaseALBuffers();
-            FreeALConfig();
-            ALTHUNK_EXIT();
-            DeleteCriticalSection(&g_mutex);
-            break;
-    }
-    return TRUE;
-}
-#else
-#ifdef HAVE_GCC_DESTRUCTOR
-static void my_deinit() __attribute__((destructor));
-static void my_deinit()
-{
-    static ALenum once = AL_FALSE;
-    if(once) return;
-    once = AL_TRUE;
-
-    ReleaseALBuffers();
-    FreeALConfig();
-    ALTHUNK_EXIT();
-    DeleteCriticalSection(&g_mutex);
-}
-#endif
-#endif

OpenAL32/alAuxEffectSlot.c

@@ -0,0 +1,508 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <math.h>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "alMain.h"
+#include "alAuxEffectSlot.h"
+#include "alThunk.h"
+#include "alError.h"
+#include "alReverb.h"
+
+
+static ALvoid InitializeEffect(ALCcontext *Context, ALeffectslot *ALEffectSlot, ALeffect *effect);
+
+
+ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
+{
+    ALCcontext *Context;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (n > 0)
+    {
+        /* NOTE: We only support one slot currently */
+        if(n == 1 && Context->AuxiliaryEffectSlotCount == 0)
+        {
+            // Check that enough memory has been allocted in the 'effectslots' array for n Effect Slots
+            if (!IsBadWritePtr((void*)effectslots, n * sizeof(ALuint)))
+            {
+                ALeffectslot **list = &Context->AuxiliaryEffectSlot;
+                while(*list)
+                    list = &(*list)->next;
+
+                i = 0;
+                while(i < n)
+                {
+                    *list = calloc(1, sizeof(ALeffectslot));
+                    if(!(*list))
+                    {
+                        // We must have run out or memory
+                        alDeleteAuxiliaryEffectSlots(i, effectslots);
+                        alSetError(AL_OUT_OF_MEMORY);
+                        break;
+                    }
+
+                    (*list)->Gain = 1.0;
+                    (*list)->AuxSendAuto = AL_TRUE;
+                    (*list)->refcount = 0;
+
+                    effectslots[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
+                    (*list)->effectslot = effectslots[i];
+
+                    Context->AuxiliaryEffectSlotCount++;
+                    i++;
+
+                    list = &(*list)->next;
+                }
+            }
+        }
+        else
+            alSetError(AL_INVALID_OPERATION);
+    }
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
+{
+    ALCcontext *Context;
+    ALeffectslot *ALAuxiliaryEffectSlot;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (n >= 0)
+    {
+        // Check that all effectslots are valid
+        for (i = 0; i < n; i++)
+        {
+            if (!alIsAuxiliaryEffectSlot(effectslots[i]))
+            {
+                alSetError(AL_INVALID_NAME);
+                break;
+            }
+            else
+            {
+                ALAuxiliaryEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslots[i]);
+                if(ALAuxiliaryEffectSlot->refcount > 0)
+                {
+                    alSetError(AL_INVALID_NAME);
+                    break;
+                }
+            }
+        }
+
+        if (i == n)
+        {
+            // All effectslots are valid
+            for (i = 0; i < n; i++)
+            {
+                // Recheck that the effectslot is valid, because there could be duplicated names
+                if (alIsAuxiliaryEffectSlot(effectslots[i]))
+                {
+                    ALeffectslot **list;
+
+                    ALAuxiliaryEffectSlot = ((ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslots[i]));
+
+                    // Remove Source from list of Sources
+                    list = &Context->AuxiliaryEffectSlot;
+                    while(*list && *list != ALAuxiliaryEffectSlot)
+                         list = &(*list)->next;
+
+                    if(*list)
+                        *list = (*list)->next;
+                    ALTHUNK_REMOVEENTRY(ALAuxiliaryEffectSlot->effectslot);
+
+                    VerbDestroy(ALAuxiliaryEffectSlot->ReverbState);
+
+                    memset(ALAuxiliaryEffectSlot, 0, sizeof(ALeffectslot));
+                    free(ALAuxiliaryEffectSlot);
+
+                    Context->AuxiliaryEffectSlotCount--;
+                }
+            }
+        }
+    }
+    else
+        alSetError(AL_INVALID_VALUE);
+
+    ProcessContext(Context);
+}
+
+ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot)
+{
+    ALCcontext *Context;
+    ALeffectslot **list;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return AL_FALSE;
+    }
+    SuspendContext(Context);
+
+    list = &Context->AuxiliaryEffectSlot;
+    while(*list && (*list)->effectslot != effectslot)
+        list = &(*list)->next;
+
+    ProcessContext(Context);
+
+    return (*list ? AL_TRUE : AL_FALSE);
+}
+
+ALvoid AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint iValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslot);
+
+        switch(param)
+        {
+        case AL_EFFECTSLOT_EFFECT:
+            if(alIsEffect(iValue))
+            {
+                ALeffect *effect = (ALeffect*)ALTHUNK_LOOKUPENTRY(iValue);
+                InitializeEffect(Context, ALEffectSlot, effect);
+            }
+            else
+                alSetError(AL_INVALID_VALUE);
+            break;
+
+        case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
+            if(iValue == AL_TRUE || iValue == AL_FALSE)
+                ALEffectSlot->AuxSendAuto = iValue;
+            else
+                alSetError(AL_INVALID_VALUE);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        switch(param)
+        {
+        case AL_EFFECTSLOT_EFFECT:
+        case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
+            alAuxiliaryEffectSloti(effectslot, param, piValues[0]);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat flValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslot);
+
+        switch(param)
+        {
+        case AL_EFFECTSLOT_GAIN:
+            if(flValue >= 0.0f && flValue <= 1.0f)
+                ALEffectSlot->Gain = flValue;
+            else
+                alSetError(AL_INVALID_VALUE);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        switch(param)
+        {
+        case AL_EFFECTSLOT_GAIN:
+            alAuxiliaryEffectSlotf(effectslot, param, pflValues[0]);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint *piValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslot);
+
+        switch(param)
+        {
+        case AL_EFFECTSLOT_EFFECT:
+            *piValue = ALEffectSlot->effect.effect;
+            break;
+
+        case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
+            *piValue = ALEffectSlot->AuxSendAuto;
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        switch(param)
+        {
+        case AL_EFFECTSLOT_EFFECT:
+        case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
+            alGetAuxiliaryEffectSloti(effectslot, param, piValues);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat *pflValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslot);
+
+        switch(param)
+        {
+        case AL_EFFECTSLOT_GAIN:
+            *pflValue = ALEffectSlot->Gain;
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    if(!Context)
+    {
+        alSetError(AL_INVALID_OPERATION);
+        return;
+    }
+    SuspendContext(Context);
+
+    if (alIsAuxiliaryEffectSlot(effectslot))
+    {
+        switch(param)
+        {
+        case AL_EFFECTSLOT_GAIN:
+            alGetAuxiliaryEffectSlotf(effectslot, param, pflValues);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+
+static ALvoid InitializeEffect(ALCcontext *Context, ALeffectslot *ALEffectSlot, ALeffect *effect)
+{
+    if(!effect)
+    {
+        memset(&ALEffectSlot->effect, 0, sizeof(ALEffectSlot->effect));
+        VerbDestroy(ALEffectSlot->ReverbState);
+        ALEffectSlot->ReverbState = NULL;
+        return;
+    }
+    if(effect->type == AL_EFFECT_REVERB)
+    {
+        if(!ALEffectSlot->ReverbState)
+            ALEffectSlot->ReverbState = VerbCreate(Context);
+        VerbUpdate(Context, ALEffectSlot, effect);
+    }
+    memcpy(&ALEffectSlot->effect, effect, sizeof(*effect));
+}
+
+
+ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context)
+{
+#ifdef _DEBUG
+    if(Context->AuxiliaryEffectSlotCount > 0)
+        AL_PRINT("alcDestroyContext(): deleting %d AuxiliaryEffectSlot(s)\n", Context->AuxiliaryEffectSlotCount);
+#endif
+
+    while(Context->AuxiliaryEffectSlot)
+    {
+        ALeffectslot *temp = Context->AuxiliaryEffectSlot;
+        Context->AuxiliaryEffectSlot = Context->AuxiliaryEffectSlot->next;
+
+        // Release effectslot structure
+        VerbDestroy(temp->ReverbState);
+        ALTHUNK_REMOVEENTRY(temp->effectslot);
+
+        memset(temp, 0, sizeof(ALeffectslot));
+        free(temp);
+    }
+    Context->AuxiliaryEffectSlotCount = 0;
+}

OpenAL32/alBuffer.c

@@ -20,15 +20,24 @@
 
 #define _CRT_SECURE_NO_DEPRECATE // get rid of sprintf security warnings on VS2005
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <stdio.h>
+#include <assert.h>
 #include "alMain.h"
 #include "AL/al.h"
 #include "AL/alc.h"
 #include "alError.h"
 #include "alBuffer.h"
+#include "alThunk.h"
 
 
+static void LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat);
+static void ConvertData(ALshort *dst, const ALvoid *src, ALint origBytes, ALsizei len);
+static void ConvertDataRear(ALshort *dst, const ALvoid *src, ALint origBytes, ALsizei len);
+static void ConvertDataIMA4(ALshort *dst, const ALvoid *src, ALint origChans, ALsizei len);
+
 /*
  *  AL Buffer Functions
  *
@@ -91,20 +100,20 @@ ALAPI ALvoid ALAPIENTRY alGenBuffers(ALsizei n,ALuint *puiBuffers)
             while(i < n)
             {
                 *list = calloc(1, sizeof(ALbuffer));
-                if(*list)
+                if(!(*list))
                 {
-                    puiBuffers[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
-                    (*list)->state = UNUSED;
-                    g_uiBufferCount++;
-                    i++;
-
-                    list = &(*list)->next;
+                    alDeleteBuffers(i, puiBuffers);
+                    alSetError(AL_OUT_OF_MEMORY);
+                    break;
                 }
-            }
 
-            // If we didn't create all the Buffers, we must have run out of memory
-            if (i != n)
-                alSetError(AL_OUT_OF_MEMORY);
+                puiBuffers[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
+                (*list)->state = UNUSED;
+                g_uiBufferCount++;
+                i++;
+
+                list = &(*list)->next;
+            }
         }
         else
         {
@@ -136,63 +145,59 @@ ALAPI ALvoid ALAPIENTRY alDeleteBuffers(ALsizei n, const ALuint *puiBuffers)
     // Check we are actually Deleting some Buffers
     if (n >= 0)
     {
-        if ((ALuint)n <= g_uiBufferCount)
+        // Check that all the buffers are valid and can actually be deleted
+        for (i = 0; i < n; i++)
         {
-            // Check that all the buffers are valid and can actually be deleted
-            for (i = 0; i < n; i++)
+            // Check for valid Buffer ID (can be NULL buffer)
+            if (alIsBuffer(puiBuffers[i]))
             {
-                // Check for valid Buffer ID (can be NULL buffer)
-                if (alIsBuffer(puiBuffers[i]))
+                // If not the NULL buffer, check that the reference count is 0
+                ALBuf = ((ALbuffer *)ALTHUNK_LOOKUPENTRY(puiBuffers[i]));
+                if (ALBuf)
                 {
-                    // If not the NULL buffer, check that the reference count is 0
-                    ALBuf = ((ALbuffer *)ALTHUNK_LOOKUPENTRY(puiBuffers[i]));
-                    if (ALBuf)
+                    if (ALBuf->refcount != 0)
                     {
-                        if (ALBuf->refcount != 0)
-                        {
-                            // Buffer still in use, cannot be deleted
-                            alSetError(AL_INVALID_OPERATION);
-                            bFailed = AL_TRUE;
-                        }
+                        // Buffer still in use, cannot be deleted
+                        alSetError(AL_INVALID_OPERATION);
+                        bFailed = AL_TRUE;
                     }
                 }
-                else
-                {
-                    // Invalid Buffer
-                    alSetError(AL_INVALID_NAME);
-                    bFailed = AL_TRUE;
-                }
             }
-
-            // If all the Buffers were valid (and have Reference Counts of 0), then we can delete them
-            if (!bFailed)
+            else
             {
-                for (i = 0; i < n; i++)
+                // Invalid Buffer
+                alSetError(AL_INVALID_NAME);
+                bFailed = AL_TRUE;
+            }
+        }
+
+        // If all the Buffers were valid (and have Reference Counts of 0), then we can delete them
+        if (!bFailed)
+        {
+            for (i = 0; i < n; i++)
+            {
+                if (puiBuffers[i] && alIsBuffer(puiBuffers[i]))
                 {
+                    ALbuffer **list = &g_pBuffers;
+
                     ALBuf=((ALbuffer *)ALTHUNK_LOOKUPENTRY(puiBuffers[i]));
-                    if (ALBuf)
-                    {
-                        ALbuffer **list = &g_pBuffers;
-                        while(*list && *list != ALBuf)
-                            list = &(*list)->next;
+                    while(*list && *list != ALBuf)
+                        list = &(*list)->next;
 
-                        if(*list)
-                            *list = (*list)->next;
+                    if(*list)
+                        *list = (*list)->next;
 
-                        // Release the memory used to store audio data
-                        free(ALBuf->data);
+                    // Release the memory used to store audio data
+                    free(ALBuf->data);
 
-                        // Release buffer structure
-                        ALTHUNK_REMOVEENTRY(puiBuffers[i]);
-                        memset(ALBuf, 0, sizeof(ALbuffer));
-                        g_uiBufferCount--;
-                        free(ALBuf);
-                    }
+                    // Release buffer structure
+                    ALTHUNK_REMOVEENTRY(puiBuffers[i]);
+                    memset(ALBuf, 0, sizeof(ALbuffer));
+                    g_uiBufferCount--;
+                    free(ALBuf);
                 }
             }
         }
-        else
-            alSetError(AL_INVALID_NAME);
     }
     else
         alSetError(AL_INVALID_VALUE);
@@ -253,14 +258,10 @@ ALAPI ALboolean ALAPIENTRY alIsBuffer(ALuint uiBuffer)
 */
 ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *data,ALsizei size,ALsizei freq)
 {
-    ALuint *IMAData,IMACode;
     ALCcontext *Context;
-    ALint Sample,Index;
-    ALint LeftSample,LeftIndex;
-    ALint RightSample,RightIndex;
-    ALuint LeftIMACode,RightIMACode;
+    ALsizei padding = 2;
     ALbuffer *ALBuf;
-    ALsizei i,j,k;
+    ALvoid *temp;
 
     Context = alcGetCurrentContext();
     SuspendContext(Context);
@@ -273,245 +274,116 @@ ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *d
             switch(format)
             {
                 case AL_FORMAT_MONO8:
-                    if ((size%1) == 0)
-                    {
-                        // 8bit Samples are converted to 16 bit here
-                        // Allocate 8 extra samples (16 bytes)
-                        ALBuf->data=realloc(ALBuf->data,16+(size/sizeof(ALubyte))*(1*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_MONO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_MONO8;
-                            for (i=0;i<(ALsizei)(size/sizeof(ALubyte));i++)
-                                ALBuf->data[i]=(ALshort)((((ALubyte *)data)[i]-128)<<8);
-                            memset(&(ALBuf->data[size/sizeof(ALubyte)]), 0, 16);
-                            ALBuf->size=size/sizeof(ALubyte)*1*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
-                    }
-                    else
-                        alSetError(AL_INVALID_VALUE);
-                    break;
-
                 case AL_FORMAT_MONO16:
-                    if ((size%2) == 0)
-                    {
-                        // Allocate 8 extra samples (16 bytes)
-                        ALBuf->data=realloc(ALBuf->data,16+(size/sizeof(ALshort))*(1*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_MONO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_MONO16;
-                            memcpy(ALBuf->data,data,size/sizeof(ALshort)*1*sizeof(ALshort));
-                            memset(&(ALBuf->data[size/sizeof(ALshort)]), 0, 16);
-                            ALBuf->size=size/sizeof(ALshort)*1*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
-                    }
-                    else
-                        alSetError(AL_INVALID_VALUE);
+                case AL_FORMAT_MONO_FLOAT32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_MONO16);
                     break;
 
                 case AL_FORMAT_STEREO8:
-                    if ((size%2) == 0)
-                    {
-                        // 8bit Samples are converted to 16 bit here
-                        // Allocate 8 extra samples (32 bytes)
-                        ALBuf->data=realloc(ALBuf->data,32+(size/sizeof(ALubyte))*(1*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_STEREO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_STEREO8;
-                            for (i=0;i<(ALsizei)(size/sizeof(ALubyte));i++)
-                                ALBuf->data[i]=(ALshort)((((ALubyte *)data)[i]-128)<<8);
-                            memset(&(ALBuf->data[size/sizeof(ALubyte)]), 0, 32);
-                            ALBuf->size=size/sizeof(ALubyte)*1*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
-                    }
-                    else
-                        alSetError(AL_INVALID_VALUE);
+                case AL_FORMAT_STEREO16:
+                case AL_FORMAT_STEREO_FLOAT32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_STEREO16);
                     break;
 
-                case AL_FORMAT_STEREO16:
-                    if ((size%4) == 0)
+                case AL_FORMAT_REAR8:
+                case AL_FORMAT_REAR16:
+                case AL_FORMAT_REAR32: {
+                    ALuint NewFormat = AL_FORMAT_QUAD16;
+                    ALuint NewChannels = aluChannelsFromFormat(NewFormat);
+                    ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 :
+                                        ((format==AL_FORMAT_REAR16) ? 2 :
+                                         4));
+
+                    assert(aluBytesFromFormat(NewFormat) == 2);
+
+                    if((size%(OrigBytes*2)) != 0)
                     {
-                        // Allocate 8 extra samples (32 bytes)
-                        ALBuf->data=realloc(ALBuf->data,32+(size/sizeof(ALshort))*(1*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_STEREO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_STEREO16;
-                            memcpy(ALBuf->data,data,size/sizeof(ALshort)*1*sizeof(ALshort));
-                            memset(&(ALBuf->data[size/sizeof(ALshort)]), 0, 32);
-                            ALBuf->size=size/sizeof(ALshort)*1*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
+                        alSetError(AL_INVALID_VALUE);
+                        break;
+                    }
+
+                    size /= OrigBytes;
+                    size *= 2;
+
+                    // Samples are converted to 16 bit here
+                    temp = realloc(ALBuf->data, (padding*NewChannels + size) * sizeof(ALshort));
+                    if(temp)
+                    {
+                        ALBuf->data = temp;
+                        ConvertDataRear(ALBuf->data, data, OrigBytes, size);
+
+                        memset(&(ALBuf->data[size]), 0, padding*NewChannels*sizeof(ALshort));
+
+                        ALBuf->format = NewFormat;
+                        ALBuf->eOriginalFormat = format;
+                        ALBuf->size = size*sizeof(ALshort);
+                        ALBuf->frequency = freq;
+                        ALBuf->padding = padding;
                     }
                     else
-                        alSetError(AL_INVALID_VALUE);
+                        alSetError(AL_OUT_OF_MEMORY);
+                }   break;
+
+                case AL_FORMAT_QUAD8_LOKI:
+                case AL_FORMAT_QUAD16_LOKI:
+                case AL_FORMAT_QUAD8:
+                case AL_FORMAT_QUAD16:
+                case AL_FORMAT_QUAD32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_QUAD16);
+                    break;
+
+                case AL_FORMAT_51CHN8:
+                case AL_FORMAT_51CHN16:
+                case AL_FORMAT_51CHN32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_51CHN16);
+                    break;
+
+                case AL_FORMAT_61CHN8:
+                case AL_FORMAT_61CHN16:
+                case AL_FORMAT_61CHN32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_61CHN16);
+                    break;
+
+                case AL_FORMAT_71CHN8:
+                case AL_FORMAT_71CHN16:
+                case AL_FORMAT_71CHN32:
+                    LoadData(ALBuf, data, size, freq, format, AL_FORMAT_71CHN16);
                     break;
 
                 case AL_FORMAT_MONO_IMA4:
+                case AL_FORMAT_STEREO_IMA4: {
+                    int OrigChans = ((format==AL_FORMAT_MONO_IMA4) ? 1 : 2);
+
                     // Here is where things vary:
-                    // nVidia and Apple use 64+1 samples per block => block_size=36 bytes
-                    // Most PC sound software uses 2040+1 samples per block -> block_size=1024 bytes
-                    if ((size%36) == 0)
+                    // nVidia and Apple use 64+1 samples per channel per block => block_size=36*chans bytes
+                    // Most PC sound software uses 2040+1 samples per channel per block -> block_size=1024*chans bytes
+                    if((size%(36*OrigChans)) != 0)
                     {
-                        // Allocate 8 extra samples (16 bytes)
-                        ALBuf->data=realloc(ALBuf->data,16+(size/36)*(65*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_MONO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_MONO_IMA4;
-                            IMAData=(ALuint *)data;
-                            for (i=0;i<size/36;i++)
-                            {
-                                Sample=((ALshort *)IMAData)[0];
-                                Index=((ALshort *)IMAData)[1];
-
-                                Index=Index<0?0:Index;
-                                Index=Index>88?88:Index;
-
-                                ALBuf->data[i*65]=(short)Sample;
-
-                                IMAData++;
-
-                                for (j=1;j<65;j+=8)
-                                {
-                                    IMACode=*IMAData;
-                                    for (k=0;k<8;k+=2)
-                                    {
-                                        Sample+=((g_IMAStep_size[Index]*g_IMACodeword_4[IMACode&15])/8);
-                                        Index+=g_IMAIndex_adjust_4[IMACode&15];
-                                        if (Sample<-32768) Sample=-32768;
-                                        else if (Sample>32767) Sample=32767;
-                                        if (Index<0) Index=0;
-                                        else if (Index>88) Index=88;
-                                        ALBuf->data[i*65+j+k]=(short)Sample;
-                                        IMACode>>=4;
-
-                                        Sample+=((g_IMAStep_size[Index]*g_IMACodeword_4[IMACode&15])/8);
-                                        Index+=g_IMAIndex_adjust_4[IMACode&15];
-                                        if (Sample<-32768) Sample=-32768;
-                                        else if (Sample>32767) Sample=32767;
-                                        if (Index<0) Index=0;
-                                        else if (Index>88) Index=88;
-                                        ALBuf->data[i*65+j+k+1]=(short)Sample;
-                                        IMACode>>=4;
-                                    }
-                                    IMAData++;
-                                }
-                            }
-                            memset(&(ALBuf->data[(size/36*65)]), 0, 16);
-                            ALBuf->size=size/36*65*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
-                    }
-                    else
-                         alSetError(AL_INVALID_VALUE);
-                    break;
-
-                case AL_FORMAT_STEREO_IMA4:
-                    // Here is where things vary:
-                    // nVidia and Apple use 64+1 samples per channel per block => block_size=72 bytes
-                    // Most PC sound software uses 2040+1 samples per channel per block -> block_size=2048 bytes
-                    if ((size%72) == 0)
-                    {
-                        // Allocate 8 extra samples (32 bytes)
-                        ALBuf->data=realloc(ALBuf->data,32+(size/72)*(2*65*sizeof(ALshort)));
-                        if (ALBuf->data)
-                        {
-                            ALBuf->format = AL_FORMAT_STEREO16;
-                            ALBuf->eOriginalFormat = AL_FORMAT_STEREO_IMA4;
-                            IMAData=(ALuint *)data;
-                            for (i=0;i<size/72;i++)
-                            {
-                                LeftSample=((ALshort *)IMAData)[0];
-                                LeftIndex=((ALshort *)IMAData)[1];
-
-                                LeftIndex=LeftIndex<0?0:LeftIndex;
-                                LeftIndex=LeftIndex>88?88:LeftIndex;
-
-                                ALBuf->data[i*2*65]=(short)LeftSample;
-
-                                IMAData++;
-
-                                RightSample=((ALshort *)IMAData)[0];
-                                RightIndex=((ALshort *)IMAData)[1];
-
-                                RightIndex=RightIndex<0?0:RightIndex;
-                                RightIndex=RightIndex>88?88:RightIndex;
-
-                                ALBuf->data[i*2*65+1]=(short)RightSample;
-
-                                IMAData++;
-
-                                for (j=2;j<130;j+=16)
-                                {
-                                    LeftIMACode=IMAData[0];
-                                    RightIMACode=IMAData[1];
-                                    for (k=0;k<16;k+=4)
-                                    {
-                                        LeftSample+=((g_IMAStep_size[LeftIndex]*g_IMACodeword_4[LeftIMACode&15])/8);
-                                        LeftIndex+=g_IMAIndex_adjust_4[LeftIMACode&15];
-                                        if (LeftSample<-32768) LeftSample=-32768;
-                                        else if (LeftSample>32767) LeftSample=32767;
-                                        if (LeftIndex<0) LeftIndex=0;
-                                        else if (LeftIndex>88) LeftIndex=88;
-                                        ALBuf->data[i*2*65+j+k]=(short)LeftSample;
-                                        LeftIMACode>>=4;
-
-                                        RightSample+=((g_IMAStep_size[RightIndex]*g_IMACodeword_4[RightIMACode&15])/8);
-                                        RightIndex+=g_IMAIndex_adjust_4[RightIMACode&15];
-                                        if (RightSample<-32768) RightSample=-32768;
-                                        else if (RightSample>32767) RightSample=32767;
-                                        if (RightIndex<0) RightIndex=0;
-                                        else if (RightIndex>88) RightIndex=88;
-                                        ALBuf->data[i*2*65+j+k+1]=(short)RightSample;
-                                        RightIMACode>>=4;
-
-                                        LeftSample+=((g_IMAStep_size[LeftIndex]*g_IMACodeword_4[LeftIMACode&15])/8);
-                                        LeftIndex+=g_IMAIndex_adjust_4[LeftIMACode&15];
-                                        if (LeftSample<-32768) LeftSample=-32768;
-                                        else if (LeftSample>32767) LeftSample=32767;
-                                        if (LeftIndex<0) LeftIndex=0;
-                                        else if (LeftIndex>88) LeftIndex=88;
-                                        ALBuf->data[i*2*65+j+k+2]=(short)LeftSample;
-                                        LeftIMACode>>=4;
-    
-                                        RightSample+=((g_IMAStep_size[RightIndex]*g_IMACodeword_4[RightIMACode&15])/8);
-                                        RightIndex+=g_IMAIndex_adjust_4[RightIMACode&15];
-                                        if (RightSample<-32768) RightSample=-32768;
-                                        else if (RightSample>32767) RightSample=32767;
-                                        if (RightIndex<0) RightIndex=0;
-                                        else if (RightIndex>88) RightIndex=88;
-                                        ALBuf->data[i*2*65+j+k+3]=(short)RightSample;
-                                        RightIMACode>>=4;
-                                    }
-                                    IMAData+=2;
-                                }
-                            }
-                            memset(&(ALBuf->data[(size/72*2*65)]), 0, 32);
-                            ALBuf->size=size/72*2*65*sizeof(ALshort);
-                            ALBuf->frequency=freq;
-                        }
-                        else
-                            alSetError(AL_OUT_OF_MEMORY);
-                    }
-                    else
                         alSetError(AL_INVALID_VALUE);
-                    break;
+                        break;
+                    }
+
+                    size /= 36;
+                    size *= 65;
+
+                    // Allocate extra padding samples
+                    temp = realloc(ALBuf->data, (padding*OrigChans + size)*sizeof(ALshort));
+                    if(temp)
+                    {
+                        ALBuf->data = temp;
+                        ConvertDataIMA4(ALBuf->data, data, OrigChans, size/65);
+
+                        memset(&(ALBuf->data[size]), 0, padding*sizeof(ALshort)*OrigChans);
+
+                        ALBuf->format = ((OrigChans==1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16);
+                        ALBuf->eOriginalFormat = format;
+                        ALBuf->size = size*sizeof(ALshort);
+                        ALBuf->frequency = freq;
+                        ALBuf->padding = padding;
+                    }
+                    else
+                        alSetError(AL_OUT_OF_MEMORY);
+                }   break;
 
                 default:
                     alSetError(AL_INVALID_ENUM);
@@ -533,6 +405,110 @@ ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *d
     ProcessContext(Context);
 }
 
+/*
+*    alBufferSubDataEXT(ALuint buffer,ALenum format,ALvoid *data,ALsizei offset,ALsizei length)
+*
+*    Fill buffer with audio data
+*/
+ALvoid ALAPIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const ALvoid *data,ALsizei offset,ALsizei length)
+{
+    ALCcontext *Context;
+    ALbuffer *ALBuf;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if(alIsBuffer(buffer) && buffer != 0)
+    {
+        ALBuf = (ALbuffer*)ALTHUNK_LOOKUPENTRY(buffer);
+        if(ALBuf->data == NULL)
+        {
+            // buffer does not have any data
+            alSetError(AL_INVALID_NAME);
+        }
+        else if(length < 0 || offset < 0 || (length > 0 && data == NULL))
+        {
+            // data is NULL or offset/length is negative
+            alSetError(AL_INVALID_VALUE);
+        }
+        else
+        {
+            switch(format)
+            {
+                case AL_FORMAT_REAR8:
+                case AL_FORMAT_REAR16:
+                case AL_FORMAT_REAR32: {
+                    ALuint OrigBytes = ((format==AL_FORMAT_REAR8) ? 1 :
+                                        ((format==AL_FORMAT_REAR16) ? 2 :
+                                         4));
+
+                    if(ALBuf->eOriginalFormat != AL_FORMAT_REAR8 &&
+                       ALBuf->eOriginalFormat != AL_FORMAT_REAR16 &&
+                       ALBuf->eOriginalFormat != AL_FORMAT_REAR32)
+                    {
+                        alSetError(AL_INVALID_ENUM);
+                        break;
+                    }
+
+                    if(ALBuf->size/4/sizeof(ALshort) < (ALuint)offset+length)
+                    {
+                        alSetError(AL_INVALID_VALUE);
+                        break;
+                    }
+
+                    ConvertDataRear(&ALBuf->data[offset*4], data, OrigBytes, length*2);
+                }   break;
+
+                case AL_FORMAT_MONO_IMA4:
+                case AL_FORMAT_STEREO_IMA4: {
+                    int Channels = aluChannelsFromFormat(ALBuf->format);
+
+                    if(ALBuf->eOriginalFormat != format)
+                    {
+                        alSetError(AL_INVALID_ENUM);
+                        break;
+                    }
+
+                    if((offset%65) != 0 || (length%65) != 0 ||
+                       ALBuf->size/Channels/sizeof(ALshort) < (ALuint)offset+length)
+                    {
+                        alSetError(AL_INVALID_VALUE);
+                        break;
+                    }
+
+                    ConvertDataIMA4(&ALBuf->data[offset*Channels], data, Channels, length/65*Channels);
+                }   break;
+
+                default: {
+                    ALuint Channels = aluChannelsFromFormat(format);
+                    ALuint Bytes = aluBytesFromFormat(format);
+
+                    if(Channels != aluChannelsFromFormat(ALBuf->format))
+                    {
+                        alSetError(AL_INVALID_ENUM);
+                        break;
+                    }
+
+                    if(ALBuf->size/Channels/sizeof(ALshort) < (ALuint)offset+length)
+                    {
+                        alSetError(AL_INVALID_VALUE);
+                        break;
+                    }
+
+                    ConvertData(&ALBuf->data[offset*Channels], data, Bytes, length*Channels);
+                }   break;
+            }
+        }
+    }
+    else
+    {
+        // Invalid Buffer Name
+        alSetError(AL_INVALID_NAME);
+    }
+
+    ProcessContext(Context);
+}
+
 
 ALAPI void ALAPIENTRY alBufferf(ALuint buffer, ALenum eParam, ALfloat flValue)
 {
@@ -817,11 +793,11 @@ ALAPI ALvoid ALAPIENTRY alGetBufferi(ALuint buffer, ALenum eParam, ALint *plValu
                 break;
 
             case AL_BITS:
-                *plValue= (((pBuffer->format==AL_FORMAT_MONO8)||(pBuffer->format==AL_FORMAT_STEREO8))?8:16);
+                *plValue = aluBytesFromFormat(pBuffer->format) * 8;
                 break;
 
             case AL_CHANNELS:
-                *plValue = (((pBuffer->format==AL_FORMAT_MONO8)||(pBuffer->format==AL_FORMAT_MONO16))?1:2);
+                *plValue = aluChannelsFromFormat(pBuffer->format);
                 break;
 
             case AL_SIZE:
@@ -917,6 +893,178 @@ ALAPI void ALAPIENTRY alGetBufferiv(ALuint buffer, ALenum eParam, ALint* plValue
     ProcessContext(pContext);
 }
 
+/*
+ * LoadData
+ *
+ * Loads the specified data into the buffer, using the specified formats.
+ * Currently, the new format must be 16-bit, and must have the same channel
+ * configuration as the original format. This does NOT handle compressed
+ * formats (eg. IMA4).
+ */
+static void LoadData(ALbuffer *ALBuf, const ALubyte *data, ALsizei size, ALuint freq, ALenum OrigFormat, ALenum NewFormat)
+{
+    ALuint NewChannels = aluChannelsFromFormat(NewFormat);
+    ALuint OrigBytes = aluBytesFromFormat(OrigFormat);
+    ALuint OrigChannels = aluChannelsFromFormat(OrigFormat);
+    ALsizei padding = 2;
+    ALvoid *temp;
+
+    assert(aluBytesFromFormat(NewFormat) == 2);
+    assert(NewChannels == OrigChannels);
+
+    if ((size%(OrigBytes*OrigChannels)) != 0)
+    {
+        alSetError(AL_INVALID_VALUE);
+        return;
+    }
+
+    // Samples are converted to 16 bit here
+    size /= OrigBytes;
+    temp = realloc(ALBuf->data, (padding*NewChannels + size) * sizeof(ALshort));
+    if(temp)
+    {
+        ALBuf->data = temp;
+        ConvertData(ALBuf->data, data, OrigBytes, size);
+
+        memset(&(ALBuf->data[size]), 0, padding*NewChannels*sizeof(ALshort));
+
+        ALBuf->format = NewFormat;
+        ALBuf->eOriginalFormat = OrigFormat;
+        ALBuf->size = size*sizeof(ALshort);
+        ALBuf->frequency = freq;
+        ALBuf->padding = padding;
+    }
+    else
+        alSetError(AL_OUT_OF_MEMORY);
+}
+
+static void ConvertData(ALshort *dst, const ALvoid *src, ALint origBytes, ALsizei len)
+{
+    ALsizei i;
+    switch(origBytes)
+    {
+        case 1:
+            for(i = 0;i < len;i++)
+                dst[i] = ((ALshort)((ALubyte*)src)[i] - 128) << 8;
+            break;
+
+        case 2:
+            memcpy(dst, src, len*sizeof(ALshort));
+            break;
+
+        case 4:
+            for(i = 0;i < len;i++)
+            {
+                ALint smp;
+                smp = (((ALfloat*)src)[i] * 32767.5f - 0.5f);
+                smp = min(smp,  32767);
+                smp = max(smp, -32768);
+                dst[i] = (ALshort)smp;
+            }
+            break;
+
+        default:
+            assert(0);
+    }
+}
+
+static void ConvertDataRear(ALshort *dst, const ALvoid *src, ALint origBytes, ALsizei len)
+{
+    ALsizei i;
+    switch(origBytes)
+    {
+        case 1:
+            for(i = 0;i < len;i+=4)
+            {
+                dst[i+0] = 0;
+                dst[i+1] = 0;
+                dst[i+2] = ((ALshort)((ALubyte*)src)[i/2+0] - 128) << 8;
+                dst[i+3] = ((ALshort)((ALubyte*)src)[i/2+1] - 128) << 8;
+            }
+            break;
+
+        case 2:
+            for(i = 0;i < len;i+=4)
+            {
+                dst[i+0] = 0;
+                dst[i+1] = 0;
+                dst[i+2] = ((ALshort*)src)[i/2+0];
+                dst[i+3] = ((ALshort*)src)[i/2+1];
+            }
+            break;
+
+        case 4:
+            for(i = 0;i < len;i+=4)
+            {
+                ALint smp;
+                dst[i+0] = 0;
+                dst[i+1] = 0;
+                smp = (((ALfloat*)src)[i/2+0] * 32767.5f - 0.5);
+                smp = min(smp,  32767);
+                smp = max(smp, -32768);
+                dst[i+2] = (ALshort)smp;
+                smp = (((ALfloat*)src)[i/2+1] * 32767.5f - 0.5);
+                smp = min(smp,  32767);
+                smp = max(smp, -32768);
+                dst[i+3] = (ALshort)smp;
+            }
+            break;
+
+        default:
+            assert(0);
+    }
+}
+
+static void ConvertDataIMA4(ALshort *dst, const ALvoid *src, ALint origChans, ALsizei len)
+{
+    const ALuint *IMAData;
+    ALint Sample[2],Index[2];
+    ALuint IMACode[2];
+    ALsizei i,j,k,c;
+
+    assert(origChans <= 2);
+
+    IMAData = src;
+    for(i = 0;i < len/origChans;i++)
+    {
+        for(c = 0;c < origChans;c++)
+        {
+            Sample[c] = ((ALshort*)IMAData)[0];
+            Index[c] = ((ALshort*)IMAData)[1];
+
+            Index[c] = ((Index[c]<0) ? 0 : Index[c]);
+            Index[c] = ((Index[c]>88) ? 88 : Index[c]);
+
+            dst[i*65*origChans + c] = (ALshort)Sample[c];
+
+            IMAData++;
+        }
+
+        for(j = 1;j < 65;j += 8)
+        {
+            for(c = 0;c < origChans;c++)
+                IMACode[c] = *(IMAData++);
+
+            for(k = 0;k < 8;k++)
+            {
+                for(c = 0;c < origChans;c++)
+                {
+                    Sample[c] += ((g_IMAStep_size[Index[c]]*g_IMACodeword_4[IMACode[c]&15])/8);
+                    Index[c] += g_IMAIndex_adjust_4[IMACode[c]&15];
+
+                    if(Sample[c] < -32768) Sample[c] = -32768;
+                    else if(Sample[c] > 32767) Sample[c] = 32767;
+
+                    if(Index[c]<0) Index[c] = 0;
+                    else if(Index[c]>88) Index[c] = 88;
+
+                    dst[(i*65+j+k)*origChans + c] = (ALshort)Sample[c];
+                    IMACode[c] >>= 4;
+                }
+            }
+        }
+    }
+}
 
 /*
 *    ReleaseALBuffers()
@@ -930,7 +1078,7 @@ ALvoid ReleaseALBuffers(ALvoid)
 
 #ifdef _DEBUG
     if(g_uiBufferCount > 0)
-        AL_PRINT("exit() %d Buffer(s) NOT deleted\n", g_uiBufferCount);
+        AL_PRINT("exit(): deleting %d Buffer(s)\n", g_uiBufferCount);
 #endif
 
     ALBuffer = g_pBuffers;

OpenAL32/alEffect.c

@@ -0,0 +1,636 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "alMain.h"
+#include "alEffect.h"
+#include "alThunk.h"
+#include "alError.h"
+
+
+ALboolean DisabledEffects[MAX_EFFECTS];
+
+
+static ALeffect *g_EffectList;
+static ALuint    g_EffectCount;
+
+static void InitEffectParams(ALeffect *effect, ALenum type);
+
+
+ALvoid AL_APIENTRY alGenEffects(ALsizei n, ALuint *effects)
+{
+    ALCcontext *Context;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (n > 0)
+    {
+        // Check that enough memory has been allocted in the 'effects' array for n Effects
+        if (!IsBadWritePtr((void*)effects, n * sizeof(ALuint)))
+        {
+            ALeffect **list = &g_EffectList;
+            while(*list)
+                list = &(*list)->next;
+
+            i = 0;
+            while(i < n)
+            {
+                *list = calloc(1, sizeof(ALeffect));
+                if(!(*list))
+                {
+                    // We must have run out or memory
+                    alDeleteEffects(i, effects);
+                    alSetError(AL_OUT_OF_MEMORY);
+                    break;
+                }
+
+                effects[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
+                (*list)->effect = effects[i];
+
+                InitEffectParams(*list, AL_EFFECT_NULL);
+                g_EffectCount++;
+                i++;
+
+                list = &(*list)->next;
+            }
+        }
+    }
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alDeleteEffects(ALsizei n, ALuint *effects)
+{
+    ALCcontext *Context;
+    ALeffect *ALEffect;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (n >= 0)
+    {
+        // Check that all effects are valid
+        for (i = 0; i < n; i++)
+        {
+            if (!alIsEffect(effects[i]))
+            {
+                alSetError(AL_INVALID_NAME);
+                break;
+            }
+        }
+
+        if (i == n)
+        {
+            // All effects are valid
+            for (i = 0; i < n; i++)
+            {
+                // Recheck that the effect is valid, because there could be duplicated names
+                if (effects[i] && alIsEffect(effects[i]))
+                {
+                    ALeffect **list;
+
+                    ALEffect = ((ALeffect*)ALTHUNK_LOOKUPENTRY(effects[i]));
+
+                    // Remove Source from list of Sources
+                    list = &g_EffectList;
+                    while(*list && *list != ALEffect)
+                         list = &(*list)->next;
+
+                    if(*list)
+                        *list = (*list)->next;
+                    ALTHUNK_REMOVEENTRY(ALEffect->effect);
+
+                    memset(ALEffect, 0, sizeof(ALeffect));
+                    free(ALEffect);
+
+                    g_EffectCount--;
+                }
+            }
+        }
+    }
+    else
+        alSetError(AL_INVALID_VALUE);
+
+    ProcessContext(Context);
+}
+
+ALboolean AL_APIENTRY alIsEffect(ALuint effect)
+{
+    ALCcontext *Context;
+    ALeffect **list;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    list = &g_EffectList;
+    while(*list && (*list)->effect != effect)
+        list = &(*list)->next;
+
+    ProcessContext(Context);
+
+    return ((*list || !effect) ? AL_TRUE : AL_FALSE);
+}
+
+ALvoid AL_APIENTRY alEffecti(ALuint effect, ALenum param, ALint iValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(param == AL_EFFECT_TYPE)
+        {
+            ALboolean isOk = (iValue == AL_EFFECT_NULL ||
+                (iValue == AL_EFFECT_REVERB && !DisabledEffects[REVERB]));
+
+            if(isOk)
+                InitEffectParams(ALEffect, iValue);
+            else
+                alSetError(AL_INVALID_VALUE);
+        }
+        else if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DECAY_HFLIMIT:
+                if(iValue == AL_TRUE || iValue == AL_FALSE)
+                    ALEffect->Reverb.DecayHFLimit = iValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alEffectiv(ALuint effect, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(param == AL_EFFECT_TYPE)
+        {
+            alEffecti(effect, param, piValues[0]);
+        }
+        else if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DECAY_HFLIMIT:
+                alEffecti(effect, param, piValues[0]);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alEffectf(ALuint effect, ALenum param, ALfloat flValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DENSITY:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALEffect->Reverb.Density = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_DIFFUSION:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALEffect->Reverb.Diffusion = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_GAIN:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALEffect->Reverb.Gain = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_GAINHF:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALEffect->Reverb.GainHF = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_DECAY_TIME:
+                if(flValue >= 0.1f && flValue <= 20.0f)
+                    ALEffect->Reverb.DecayTime = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_DECAY_HFRATIO:
+                if(flValue >= 0.1f && flValue <= 2.0f)
+                    ALEffect->Reverb.DecayHFRatio = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_REFLECTIONS_GAIN:
+                if(flValue >= 0.0f && flValue <= 3.16f)
+                    ALEffect->Reverb.ReflectionsGain = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_REFLECTIONS_DELAY:
+                if(flValue >= 0.0f && flValue <= 0.3f)
+                    ALEffect->Reverb.ReflectionsDelay = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_LATE_REVERB_GAIN:
+                if(flValue >= 0.0f && flValue <= 10.0f)
+                    ALEffect->Reverb.LateReverbGain = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_LATE_REVERB_DELAY:
+                if(flValue >= 0.0f && flValue <= 0.1f)
+                    ALEffect->Reverb.LateReverbDelay = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_AIR_ABSORPTION_GAINHF:
+                if(flValue >= 0.892f && flValue <= 1.0f)
+                    ALEffect->Reverb.AirAbsorptionGainHF = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_REVERB_ROOM_ROLLOFF_FACTOR:
+                if(flValue >= 0.0f && flValue <= 10.0f)
+                    ALEffect->Reverb.RoomRolloffFactor = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alEffectfv(ALuint effect, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DENSITY:
+            case AL_REVERB_DIFFUSION:
+            case AL_REVERB_GAIN:
+            case AL_REVERB_GAINHF:
+            case AL_REVERB_DECAY_TIME:
+            case AL_REVERB_DECAY_HFRATIO:
+            case AL_REVERB_REFLECTIONS_GAIN:
+            case AL_REVERB_REFLECTIONS_DELAY:
+            case AL_REVERB_LATE_REVERB_GAIN:
+            case AL_REVERB_LATE_REVERB_DELAY:
+            case AL_REVERB_AIR_ABSORPTION_GAINHF:
+            case AL_REVERB_ROOM_ROLLOFF_FACTOR:
+                alEffectf(effect, param, pflValues[0]);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetEffecti(ALuint effect, ALenum param, ALint *piValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(param == AL_EFFECT_TYPE)
+        {
+            *piValue = ALEffect->type;
+        }
+        else if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DECAY_HFLIMIT:
+                *piValue = ALEffect->Reverb.DecayHFLimit;
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetEffectiv(ALuint effect, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(param == AL_EFFECT_TYPE)
+        {
+            alGetEffecti(effect, param, piValues);
+        }
+        else if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DECAY_HFLIMIT:
+                alGetEffecti(effect, param, piValues);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetEffectf(ALuint effect, ALenum param, ALfloat *pflValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DENSITY:
+                *pflValue = ALEffect->Reverb.Density;
+                break;
+
+            case AL_REVERB_DIFFUSION:
+                *pflValue = ALEffect->Reverb.Diffusion;
+                break;
+
+            case AL_REVERB_GAIN:
+                *pflValue = ALEffect->Reverb.Gain;
+                break;
+
+            case AL_REVERB_GAINHF:
+                *pflValue = ALEffect->Reverb.GainHF;
+                break;
+
+            case AL_REVERB_DECAY_TIME:
+                *pflValue = ALEffect->Reverb.DecayTime;
+                break;
+
+            case AL_REVERB_DECAY_HFRATIO:
+                *pflValue = ALEffect->Reverb.DecayHFRatio;
+                break;
+
+            case AL_REVERB_REFLECTIONS_GAIN:
+                *pflValue = ALEffect->Reverb.ReflectionsGain;
+                break;
+
+            case AL_REVERB_REFLECTIONS_DELAY:
+                *pflValue = ALEffect->Reverb.ReflectionsDelay;
+                break;
+
+            case AL_REVERB_LATE_REVERB_GAIN:
+                *pflValue = ALEffect->Reverb.LateReverbGain;
+                break;
+
+            case AL_REVERB_LATE_REVERB_DELAY:
+                *pflValue = ALEffect->Reverb.LateReverbDelay;
+                break;
+
+            case AL_REVERB_AIR_ABSORPTION_GAINHF:
+                *pflValue = ALEffect->Reverb.AirAbsorptionGainHF;
+                break;
+
+            case AL_REVERB_ROOM_ROLLOFF_FACTOR:
+                *pflValue = ALEffect->Reverb.RoomRolloffFactor;
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetEffectfv(ALuint effect, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (effect && alIsEffect(effect))
+    {
+        ALeffect *ALEffect = (ALeffect*)ALTHUNK_LOOKUPENTRY(effect);
+
+        if(ALEffect->type == AL_EFFECT_REVERB)
+        {
+            switch(param)
+            {
+            case AL_REVERB_DENSITY:
+            case AL_REVERB_DIFFUSION:
+            case AL_REVERB_GAIN:
+            case AL_REVERB_GAINHF:
+            case AL_REVERB_DECAY_TIME:
+            case AL_REVERB_DECAY_HFRATIO:
+            case AL_REVERB_REFLECTIONS_GAIN:
+            case AL_REVERB_REFLECTIONS_DELAY:
+            case AL_REVERB_LATE_REVERB_GAIN:
+            case AL_REVERB_LATE_REVERB_DELAY:
+            case AL_REVERB_AIR_ABSORPTION_GAINHF:
+            case AL_REVERB_ROOM_ROLLOFF_FACTOR:
+                alGetEffectf(effect, param, pflValues);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+        }
+        else
+            alSetError(AL_INVALID_ENUM);
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+
+ALvoid ReleaseALEffects(ALvoid)
+{
+#ifdef _DEBUG
+    if(g_EffectCount > 0)
+        AL_PRINT("exit(): deleting %d Effect(s)\n", g_EffectCount);
+#endif
+
+    while(g_EffectList)
+    {
+        ALeffect *temp = g_EffectList;
+        g_EffectList = g_EffectList->next;
+
+        // Release effect structure
+        memset(temp, 0, sizeof(ALeffect));
+        free(temp);
+    }
+    g_EffectCount = 0;
+}
+
+
+static void InitEffectParams(ALeffect *effect, ALenum type)
+{
+    effect->type = type;
+    switch(type)
+    {
+    case AL_EFFECT_REVERB:
+        effect->Reverb.Density = 1.0f;
+        effect->Reverb.Diffusion = 1.0f;
+        effect->Reverb.Gain = 0.32f;
+        effect->Reverb.GainHF = 0.89f;
+        effect->Reverb.DecayTime = 1.49f;
+        effect->Reverb.DecayHFRatio = 0.83f;
+        effect->Reverb.ReflectionsGain = 0.05f;
+        effect->Reverb.ReflectionsDelay = 0.007f;
+        effect->Reverb.LateReverbGain = 1.26f;
+        effect->Reverb.LateReverbDelay = 0.011f;
+        effect->Reverb.AirAbsorptionGainHF = 0.994f;
+        effect->Reverb.RoomRolloffFactor = 0.0f;
+        effect->Reverb.DecayHFLimit = AL_TRUE;
+        break;
+    }
+}

OpenAL32/alError.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include "alMain.h"
 #include "AL/alc.h"
 #include "alError.h"

OpenAL32/alExtension.c

@@ -18,12 +18,19 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 #include "alExtension.h"
 #include "alError.h"
 #include "alMain.h"
+#include "alFilter.h"
+#include "alEffect.h"
+#include "alAuxEffectSlot.h"
+#include "alSource.h"
+#include "alBuffer.h"
 #include "AL/al.h"
 #include "AL/alc.h"
 
@@ -101,6 +108,45 @@ static ALfunction  function[]=   {
     { "alDopplerVelocity",          (ALvoid *) alDopplerVelocity         },
     { "alSpeedOfSound",             (ALvoid *) alSpeedOfSound            },
     { "alDistanceModel",            (ALvoid *) alDistanceModel           },
+
+    { "alGenFilters",               (ALvoid *) alGenFilters              },
+    { "alDeleteFilters",            (ALvoid *) alDeleteFilters           },
+    { "alIsFilter",                 (ALvoid *) alIsFilter                },
+    { "alFilteri",                  (ALvoid *) alFilteri                 },
+    { "alFilteriv",                 (ALvoid *) alFilteriv                },
+    { "alFilterf",                  (ALvoid *) alFilterf                 },
+    { "alFilterfv",                 (ALvoid *) alFilterfv                },
+    { "alGetFilteri",               (ALvoid *) alGetFilteri              },
+    { "alGetFilteriv",              (ALvoid *) alGetFilteriv             },
+    { "alGetFilterf",               (ALvoid *) alGetFilterf              },
+    { "alGetFilterfv",              (ALvoid *) alGetFilterfv             },
+
+    { "alGenEffects",               (ALvoid *) alGenEffects              },
+    { "alDeleteEffects",            (ALvoid *) alDeleteEffects           },
+    { "alIsEffect",                 (ALvoid *) alIsEffect                },
+    { "alEffecti",                  (ALvoid *) alEffecti                 },
+    { "alEffectiv",                 (ALvoid *) alEffectiv                },
+    { "alEffectf",                  (ALvoid *) alEffectf                 },
+    { "alEffectfv",                 (ALvoid *) alEffectfv                },
+    { "alGetEffecti",               (ALvoid *) alGetEffecti              },
+    { "alGetEffectiv",              (ALvoid *) alGetEffectiv             },
+    { "alGetEffectf",               (ALvoid *) alGetEffectf              },
+    { "alGetEffectfv",              (ALvoid *) alGetEffectfv             },
+
+    { "alGenAuxiliaryEffectSlots",  (ALvoid *) alGenAuxiliaryEffectSlots },
+    { "alDeleteAuxiliaryEffectSlots",(ALvoid *) alDeleteAuxiliaryEffectSlots},
+    { "alIsAuxiliaryEffectSlot",    (ALvoid *) alIsAuxiliaryEffectSlot   },
+    { "alAuxiliaryEffectSloti",     (ALvoid *) alAuxiliaryEffectSloti    },
+    { "alAuxiliaryEffectSlotiv",    (ALvoid *) alAuxiliaryEffectSlotiv   },
+    { "alAuxiliaryEffectSlotf",     (ALvoid *) alAuxiliaryEffectSlotf    },
+    { "alAuxiliaryEffectSlotfv",    (ALvoid *) alAuxiliaryEffectSlotfv   },
+    { "alGetAuxiliaryEffectSloti",  (ALvoid *) alGetAuxiliaryEffectSloti },
+    { "alGetAuxiliaryEffectSlotiv", (ALvoid *) alGetAuxiliaryEffectSlotiv},
+    { "alGetAuxiliaryEffectSlotf",  (ALvoid *) alGetAuxiliaryEffectSlotf },
+    { "alGetAuxiliaryEffectSlotfv", (ALvoid *) alGetAuxiliaryEffectSlotfv},
+
+    { "alBufferSubDataEXT",         (ALvoid *) alBufferSubDataEXT        },
+
     { NULL,                         (ALvoid *) NULL                      } };
 
 static ALenums enumeration[]={
@@ -135,6 +181,18 @@ static ALenums enumeration[]={
     { (ALchar *)"AL_STATIC",                            AL_STATIC                           },
     { (ALchar *)"AL_STREAMING",                         AL_STREAMING                        },
     { (ALchar *)"AL_UNDETERMINED",                      AL_UNDETERMINED                     },
+    { (ALchar *)"AL_METERS_PER_UNIT",                   AL_METERS_PER_UNIT                  },
+
+    // Source EFX Properties
+    { (ALchar *)"AL_DIRECT_FILTER",                     AL_DIRECT_FILTER                    },
+    { (ALchar *)"AL_AUXILIARY_SEND_FILTER",             AL_AUXILIARY_SEND_FILTER            },
+    { (ALchar *)"AL_AIR_ABSORPTION_FACTOR",             AL_AIR_ABSORPTION_FACTOR            },
+    { (ALchar *)"AL_ROOM_ROLLOFF_FACTOR",               AL_ROOM_ROLLOFF_FACTOR              },
+    { (ALchar *)"AL_CONE_OUTER_GAINHF",                 AL_CONE_OUTER_GAINHF                },
+    { (ALchar *)"AL_DIRECT_FILTER_GAINHF_AUTO",         AL_DIRECT_FILTER_GAINHF_AUTO        },
+    { (ALchar *)"AL_AUXILIARY_SEND_FILTER_GAIN_AUTO",   AL_AUXILIARY_SEND_FILTER_GAIN_AUTO  },
+    { (ALchar *)"AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO", AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO},
+
 
     // Source State information
     { (ALchar *)"AL_SOURCE_STATE",                      AL_SOURCE_STATE                     },
@@ -150,12 +208,29 @@ static ALenums enumeration[]={
     // Buffer Formats
     { (ALchar *)"AL_FORMAT_MONO8",                      AL_FORMAT_MONO8                     },
     { (ALchar *)"AL_FORMAT_MONO16",                     AL_FORMAT_MONO16                    },
+    { (ALchar *)"AL_FORMAT_MONO_FLOAT32",               AL_FORMAT_MONO_FLOAT32              },
     { (ALchar *)"AL_FORMAT_STEREO8",                    AL_FORMAT_STEREO8                   },
     { (ALchar *)"AL_FORMAT_STEREO16",                   AL_FORMAT_STEREO16                  },
+    { (ALchar *)"AL_FORMAT_STEREO_FLOAT32",             AL_FORMAT_STEREO_FLOAT32            },
     { (ALchar *)"AL_FORMAT_MONO_IMA4",                  AL_FORMAT_MONO_IMA4                 },
     { (ALchar *)"AL_FORMAT_STEREO_IMA4",                AL_FORMAT_STEREO_IMA4               },
+    { (ALchar *)"AL_FORMAT_QUAD8_LOKI",                 AL_FORMAT_QUAD8_LOKI                },
+    { (ALchar *)"AL_FORMAT_QUAD16_LOKI",                AL_FORMAT_QUAD16_LOKI               },
     { (ALchar *)"AL_FORMAT_QUAD8",                      AL_FORMAT_QUAD8                     },
     { (ALchar *)"AL_FORMAT_QUAD16",                     AL_FORMAT_QUAD16                    },
+    { (ALchar *)"AL_FORMAT_QUAD32",                     AL_FORMAT_QUAD32                    },
+    { (ALchar *)"AL_FORMAT_51CHN8",                     AL_FORMAT_51CHN8                    },
+    { (ALchar *)"AL_FORMAT_51CHN16",                    AL_FORMAT_51CHN16                   },
+    { (ALchar *)"AL_FORMAT_51CHN32",                    AL_FORMAT_51CHN32                   },
+    { (ALchar *)"AL_FORMAT_61CHN8",                     AL_FORMAT_61CHN8                    },
+    { (ALchar *)"AL_FORMAT_61CHN16",                    AL_FORMAT_61CHN16                   },
+    { (ALchar *)"AL_FORMAT_61CHN32",                    AL_FORMAT_61CHN32                   },
+    { (ALchar *)"AL_FORMAT_71CHN8",                     AL_FORMAT_71CHN8                    },
+    { (ALchar *)"AL_FORMAT_71CHN16",                    AL_FORMAT_71CHN16                   },
+    { (ALchar *)"AL_FORMAT_71CHN32",                    AL_FORMAT_71CHN32                   },
+    { (ALchar *)"AL_FORMAT_REAR8",                      AL_FORMAT_REAR8                     },
+    { (ALchar *)"AL_FORMAT_REAR16",                     AL_FORMAT_REAR16                    },
+    { (ALchar *)"AL_FORMAT_REAR32",                     AL_FORMAT_REAR32                    },
 
     // Buffer attributes
     { (ALchar *)"AL_FREQUENCY",                         AL_FREQUENCY                        },
@@ -196,8 +271,52 @@ static ALenums enumeration[]={
     { (ALchar *)"AL_EXPONENT_DISTANCE",                 AL_EXPONENT_DISTANCE                },
     { (ALchar *)"AL_EXPONENT_DISTANCE_CLAMPED",         AL_EXPONENT_DISTANCE_CLAMPED        },
 
+    // Filter types
+    { (ALchar *)"AL_FILTER_TYPE",                       AL_FILTER_TYPE                      },
+    { (ALchar *)"AL_FILTER_NULL",                       AL_FILTER_NULL                      },
+    { (ALchar *)"AL_FILTER_LOWPASS",                    AL_FILTER_LOWPASS                   },
+    { (ALchar *)"AL_FILTER_HIGHPASS",                   AL_FILTER_HIGHPASS                  },
+    { (ALchar *)"AL_FILTER_BANDPASS",                   AL_FILTER_BANDPASS                  },
+
+    // Filter params
+    { (ALchar *)"AL_LOWPASS_GAIN",                      AL_LOWPASS_GAIN                     },
+    { (ALchar *)"AL_LOWPASS_GAINHF",                    AL_LOWPASS_GAINHF                   },
+
+    // Effect types
+    { (ALchar *)"AL_EFFECT_TYPE",                       AL_EFFECT_TYPE                      },
+    { (ALchar *)"AL_EFFECT_NULL",                       AL_EFFECT_NULL                      },
+    { (ALchar *)"AL_EFFECT_REVERB",                     AL_EFFECT_REVERB                    },
+    { (ALchar *)"AL_EFFECT_CHORUS",                     AL_EFFECT_CHORUS                    },
+    { (ALchar *)"AL_EFFECT_DISTORTION",                 AL_EFFECT_DISTORTION                },
+    { (ALchar *)"AL_EFFECT_ECHO",                       AL_EFFECT_ECHO                      },
+    { (ALchar *)"AL_EFFECT_FLANGER",                    AL_EFFECT_FLANGER                   },
+    { (ALchar *)"AL_EFFECT_FREQUENCY_SHIFTER",          AL_EFFECT_FREQUENCY_SHIFTER         },
+    { (ALchar *)"AL_EFFECT_VOCAL_MORPHER",              AL_EFFECT_VOCAL_MORPHER             },
+    { (ALchar *)"AL_EFFECT_PITCH_SHIFTER",              AL_EFFECT_PITCH_SHIFTER             },
+    { (ALchar *)"AL_EFFECT_RING_MODULATOR",             AL_EFFECT_RING_MODULATOR            },
+    { (ALchar *)"AL_EFFECT_AUTOWAH",                    AL_EFFECT_AUTOWAH                   },
+    { (ALchar *)"AL_EFFECT_COMPRESSOR",                 AL_EFFECT_COMPRESSOR                },
+    { (ALchar *)"AL_EFFECT_EQUALIZER",                  AL_EFFECT_EQUALIZER                 },
+
+    // Reverb params
+    { (ALchar *)"AL_REVERB_DENSITY",                    AL_REVERB_DENSITY                   },
+    { (ALchar *)"AL_REVERB_DIFFUSION",                  AL_REVERB_DIFFUSION                 },
+    { (ALchar *)"AL_REVERB_GAIN",                       AL_REVERB_GAIN                      },
+    { (ALchar *)"AL_REVERB_GAINHF",                     AL_REVERB_GAINHF                    },
+    { (ALchar *)"AL_REVERB_DECAY_TIME",                 AL_REVERB_DECAY_TIME                },
+    { (ALchar *)"AL_REVERB_DECAY_HFRATIO",              AL_REVERB_DECAY_HFRATIO             },
+    { (ALchar *)"AL_REVERB_REFLECTIONS_GAIN",           AL_REVERB_REFLECTIONS_GAIN          },
+    { (ALchar *)"AL_REVERB_REFLECTIONS_DELAY",          AL_REVERB_REFLECTIONS_DELAY         },
+    { (ALchar *)"AL_REVERB_LATE_REVERB_GAIN",           AL_REVERB_LATE_REVERB_GAIN          },
+    { (ALchar *)"AL_REVERB_LATE_REVERB_DELAY",          AL_REVERB_LATE_REVERB_DELAY         },
+    { (ALchar *)"AL_REVERB_AIR_ABSORPTION_GAINHF",      AL_REVERB_AIR_ABSORPTION_GAINHF     },
+    { (ALchar *)"AL_REVERB_ROOM_ROLLOFF_FACTOR",        AL_REVERB_ROOM_ROLLOFF_FACTOR       },
+    { (ALchar *)"AL_REVERB_DECAY_HFLIMIT",              AL_REVERB_DECAY_HFLIMIT             },
+
+
     // Default
-    { (ALchar *)NULL,                                (ALenum  ) 0                         } };
+    { (ALchar *)NULL,                                   (ALenum)0                           }
+};
 
 
 
@@ -205,7 +324,8 @@ ALAPI ALboolean ALAPIENTRY alIsExtensionPresent(const ALchar *extName)
 {
     ALboolean bIsSupported = AL_FALSE;
     ALCcontext *pContext;
-    char *ptr, *ext;
+    const char *ptr;
+    size_t len;
 
     if (!extName)
     {
@@ -220,32 +340,28 @@ ALAPI ALboolean ALAPIENTRY alIsExtensionPresent(const ALchar *extName)
         return AL_FALSE;
     }
 
-    ext = strdup(extName);
-    ptr = ext;
-    do {
-        *ptr = (char)toupper(*ptr);
-    } while(*(ptr++));
-
     SuspendContext(pContext);
 
+    len = strlen(extName);
     ptr = pContext->ExtensionList;
-    while((ptr=strstr(ptr, ext)) != NULL)
+    while(ptr && *ptr)
     {
-        if(ptr == pContext->ExtensionList || ptr[-1] == ' ')
+        if(strncasecmp(ptr, extName, len) == 0 &&
+           (ptr[len] == '\0' || isspace(ptr[len])))
         {
-            char e = ptr[strlen(ext)];
-            if(e == ' ' || e == 0)
-            {
-                bIsSupported = AL_TRUE;
-                break;
-            }
+            bIsSupported = AL_TRUE;
+            break;
+        }
+        if((ptr=strchr(ptr, ' ')) != NULL)
+        {
+            do {
+                ++ptr;
+            } while(isspace(*ptr));
         }
-        ptr++;
     }
 
     ProcessContext(pContext);
 
-    free(ext);
     return bIsSupported;
 }
 

OpenAL32/alFilter.c

@@ -0,0 +1,426 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 1999-2007 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "alMain.h"
+#include "alFilter.h"
+#include "alThunk.h"
+#include "alError.h"
+
+static ALfilter *g_FilterList;
+static ALuint    g_FilterCount;
+
+static void InitFilterParams(ALfilter *filter, ALenum type);
+
+
+ALvoid AL_APIENTRY alGenFilters(ALsizei n, ALuint *filters)
+{
+    ALCcontext *Context;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (n > 0)
+    {
+        // Check that enough memory has been allocted in the 'filters' array for n Filters
+        if (!IsBadWritePtr((void*)filters, n * sizeof(ALuint)))
+        {
+            ALfilter **list = &g_FilterList;
+            while(*list)
+                list = &(*list)->next;
+
+            i = 0;
+            while(i < n)
+            {
+                *list = calloc(1, sizeof(ALfilter));
+                if(!(*list))
+                {
+                    // We must have run out or memory
+                    alDeleteFilters(i, filters);
+                    alSetError(AL_OUT_OF_MEMORY);
+                    break;
+                }
+
+                filters[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
+                (*list)->filter = filters[i];
+
+                InitFilterParams(*list, AL_FILTER_NULL);
+                g_FilterCount++;
+                i++;
+
+                list = &(*list)->next;
+            }
+        }
+    }
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alDeleteFilters(ALsizei n, ALuint *filters)
+{
+    ALCcontext *Context;
+    ALfilter *ALFilter;
+    ALsizei i;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (n >= 0)
+    {
+        // Check that all filters are valid
+        for (i = 0; i < n; i++)
+        {
+            if (!alIsFilter(filters[i]))
+            {
+                alSetError(AL_INVALID_NAME);
+                break;
+            }
+        }
+
+        if (i == n)
+        {
+            // All filters are valid
+            for (i = 0; i < n; i++)
+            {
+                // Recheck that the filter is valid, because there could be duplicated names
+                if (filters[i] && alIsFilter(filters[i]))
+                {
+                    ALfilter **list;
+
+                    ALFilter = ((ALfilter*)ALTHUNK_LOOKUPENTRY(filters[i]));
+
+                    // Remove Source from list of Sources
+                    list = &g_FilterList;
+                    while(*list && *list != ALFilter)
+                         list = &(*list)->next;
+
+                    if(*list)
+                        *list = (*list)->next;
+                    ALTHUNK_REMOVEENTRY(ALFilter->filter);
+
+                    memset(ALFilter, 0, sizeof(ALfilter));
+                    free(ALFilter);
+
+                    g_FilterCount--;
+                }
+            }
+        }
+    }
+    else
+        alSetError(AL_INVALID_VALUE);
+
+    ProcessContext(Context);
+}
+
+ALboolean AL_APIENTRY alIsFilter(ALuint filter)
+{
+    ALCcontext *Context;
+    ALfilter **list;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    list = &g_FilterList;
+    while(*list && (*list)->filter != filter)
+        list = &(*list)->next;
+
+    ProcessContext(Context);
+
+    return ((*list || !filter) ? AL_TRUE : AL_FALSE);
+}
+
+ALvoid AL_APIENTRY alFilteri(ALuint filter, ALenum param, ALint iValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        ALfilter *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(filter);
+
+        switch(param)
+        {
+        case AL_FILTER_TYPE:
+            if(iValue == AL_FILTER_NULL ||
+               iValue == AL_FILTER_LOWPASS)
+                InitFilterParams(ALFilter, iValue);
+            else
+                alSetError(AL_INVALID_VALUE);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alFilteriv(ALuint filter, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        switch(param)
+        {
+        case AL_FILTER_TYPE:
+            alFilteri(filter, param, piValues[0]);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alFilterf(ALuint filter, ALenum param, ALfloat flValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        ALfilter *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(filter);
+
+        switch(ALFilter->type)
+        {
+        case AL_FILTER_LOWPASS:
+            switch(param)
+            {
+            case AL_LOWPASS_GAIN:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALFilter->Gain = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_LOWPASS_GAINHF:
+                if(flValue >= 0.0f && flValue <= 1.0f)
+                    ALFilter->GainHF = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alFilterfv(ALuint filter, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        switch(param)
+        {
+        default:
+            alFilterf(filter, param, pflValues[0]);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetFilteri(ALuint filter, ALenum param, ALint *piValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        ALfilter *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(filter);
+
+        switch(param)
+        {
+        case AL_FILTER_TYPE:
+            *piValue = ALFilter->type;
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetFilteriv(ALuint filter, ALenum param, ALint *piValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        switch(param)
+        {
+        case AL_FILTER_TYPE:
+            alGetFilteri(filter, param, piValues);
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetFilterf(ALuint filter, ALenum param, ALfloat *pflValue)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        ALfilter *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(filter);
+
+        switch(ALFilter->type)
+        {
+        case AL_FILTER_LOWPASS:
+            switch(param)
+            {
+            case AL_LOWPASS_GAIN:
+                *pflValue = ALFilter->Gain;
+                break;
+
+            case AL_LOWPASS_GAINHF:
+                *pflValue = ALFilter->GainHF;
+                break;
+
+            default:
+                alSetError(AL_INVALID_ENUM);
+                break;
+            }
+            break;
+
+        default:
+            alSetError(AL_INVALID_ENUM);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+ALvoid AL_APIENTRY alGetFilterfv(ALuint filter, ALenum param, ALfloat *pflValues)
+{
+    ALCcontext *Context;
+
+    Context = alcGetCurrentContext();
+    SuspendContext(Context);
+
+    if (filter && alIsFilter(filter))
+    {
+        switch(param)
+        {
+        default:
+            alGetFilterf(filter, param, pflValues);
+            break;
+        }
+    }
+    else
+        alSetError(AL_INVALID_NAME);
+
+    ProcessContext(Context);
+}
+
+
+ALvoid ReleaseALFilters(ALvoid)
+{
+#ifdef _DEBUG
+    if(g_FilterCount > 0)
+        AL_PRINT("exit(): deleting %d Filter(s)\n", g_FilterCount);
+#endif
+
+    while(g_FilterList)
+    {
+        ALfilter *temp = g_FilterList;
+        g_FilterList = g_FilterList->next;
+
+        // Release filter structure
+        memset(temp, 0, sizeof(ALfilter));
+        free(temp);
+    }
+    g_FilterCount = 0;
+}
+
+
+static void InitFilterParams(ALfilter *filter, ALenum type)
+{
+    filter->type = type;
+
+    filter->Gain = 1.0;
+    filter->GainHF = 1.0;
+}

OpenAL32/alListener.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include "alMain.h"
 #include "AL/alc.h"
 #include "alError.h"
@@ -41,6 +43,13 @@ ALAPI ALvoid ALAPIENTRY alListenerf(ALenum eParam, ALfloat flValue)
                 alSetError(AL_INVALID_VALUE);
             break;
 
+        case AL_METERS_PER_UNIT:
+            if (flValue > 0.0f)
+                pContext->Listener.MetersPerUnit = flValue;
+            else
+                alSetError(AL_INVALID_VALUE);
+            break;
+
         default:
             alSetError(AL_INVALID_ENUM);
             break;
@@ -112,6 +121,13 @@ ALAPI ALvoid ALAPIENTRY alListenerfv(ALenum eParam, const ALfloat *pflValues)
                     alSetError(AL_INVALID_VALUE);
                 break;
 
+            case AL_METERS_PER_UNIT:
+                if (pflValues[0] > 0.0f)
+                    pContext->Listener.MetersPerUnit = pflValues[0];
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
             case AL_POSITION:
                 pContext->Listener.Position[0] = pflValues[0];
                 pContext->Listener.Position[1] = pflValues[1];
@@ -274,6 +290,10 @@ ALAPI ALvoid ALAPIENTRY alGetListenerf(ALenum eParam, ALfloat *pflValue)
                 *pflValue = pContext->Listener.Gain;
                 break;
 
+            case AL_METERS_PER_UNIT:
+                *pflValue = pContext->Listener.MetersPerUnit;
+                break;
+
             default:
                 alSetError(AL_INVALID_ENUM);
                 break;
@@ -350,6 +370,10 @@ ALAPI ALvoid ALAPIENTRY alGetListenerfv(ALenum eParam, ALfloat *pflValues)
                 pflValues[0] = pContext->Listener.Gain;
                 break;
 
+            case AL_METERS_PER_UNIT:
+                pflValues[0] = pContext->Listener.MetersPerUnit;
+                break;
+
             case AL_POSITION:
                 pflValues[0] = pContext->Listener.Position[0];
                 pflValues[1] = pContext->Listener.Position[1];

OpenAL32/alSource.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include <math.h>
 #include <float.h>
@@ -26,9 +28,12 @@
 #include "AL/alc.h"
 #include "alError.h"
 #include "alSource.h"
+#include "alBuffer.h"
+#include "alThunk.h"
+#include "alAuxEffectSlot.h"
 
 static ALvoid InitSourceParams(ALsource *pSource);
-static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOffset);
+static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOffset, ALuint updateSize);
 static ALvoid ApplyOffset(ALsource *pSource, ALboolean bUpdateContext);
 static ALint GetByteOffset(ALsource *pSource);
 
@@ -63,22 +68,22 @@ ALAPI ALvoid ALAPIENTRY alGenSources(ALsizei n,ALuint *sources)
                         while(i < n)
                         {
                             *list = calloc(1, sizeof(ALsource));
-                            if(*list)
+                            if(!(*list))
                             {
-                                sources[i]=(ALuint)ALTHUNK_ADDENTRY(*list);
-                                (*list)->source = sources[i];
-
-                                InitSourceParams(*list);
-                                Context->SourceCount++;
-                                i++;
-
-                                list = &(*list)->next;
+                                alDeleteSources(i, sources);
+                                alSetError(AL_OUT_OF_MEMORY);
+                                break;
                             }
-                        }
 
-                        // If we didn't create all the Sources, we must have run out or memory
-                        if(i != n)
-                            alSetError(AL_OUT_OF_MEMORY);
+                            sources[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
+                            (*list)->source = sources[i];
+
+                            InitSourceParams(*list);
+                            Context->SourceCount++;
+                            i++;
+
+                            list = &(*list)->next;
+                        }
                     }
                     else
                     {
@@ -117,7 +122,7 @@ ALAPI ALvoid ALAPIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
     ALCdevice  *Device;
     ALsource *ALSource;
     ALsource **list;
-    ALsizei i;
+    ALsizei i, j;
     ALbufferlistitem *ALBufferList;
     ALboolean bSourcesValid = AL_TRUE;
 
@@ -132,66 +137,64 @@ ALAPI ALvoid ALAPIENTRY alDeleteSources(ALsizei n, const ALuint *sources)
 
             if (Device)
             {
-                if ((ALuint)n <= Context->SourceCount)
+                // Check that all Sources are valid (and can therefore be deleted)
+                for (i = 0; i < n; i++)
                 {
-                    // Check that all Sources are valid (and can therefore be deleted)
-                    for (i = 0; i < n; i++)
+                    if (!alIsSource(sources[i]))
                     {
-                        if (!alIsSource(sources[i]))
-                        {
-                            alSetError(AL_INVALID_NAME);
-                            bSourcesValid = AL_FALSE;
-                            break;
-                        }
-                    }
-
-                    if (bSourcesValid)
-                    {
-                        // All Sources are valid, and can be deleted
-                        for (i = 0; i < n; i++)
-                        {
-                            // Recheck that the Source is valid, because there could be duplicated Source names
-                            if (alIsSource(sources[i]))
-                            {
-                                ALSource=((ALsource *)ALTHUNK_LOOKUPENTRY(sources[i]));
-                                alSourceStop((ALuint)ALSource->source);
-
-                                // For each buffer in the source's queue, decrement its reference counter and remove it
-                                while (ALSource->queue != NULL)
-                                {
-                                    ALBufferList = ALSource->queue;
-                                    // Decrement buffer's reference counter
-                                    if (ALBufferList->buffer != 0)
-                                        ((ALbuffer*)(ALTHUNK_LOOKUPENTRY(ALBufferList->buffer)))->refcount--;
-                                    // Update queue to point to next element in list
-                                    ALSource->queue = ALBufferList->next;
-                                    // Release memory allocated for buffer list item
-                                    free(ALBufferList);
-                                }
-
-                                // Decrement Source count
-                                Context->SourceCount--;
-
-                                // Remove Source from list of Sources
-                                list = &Context->Source;
-                                while(*list && *list != ALSource)
-                                    list = &(*list)->next;
-
-                                if(*list)
-                                    *list = (*list)->next;
-                                ALTHUNK_REMOVEENTRY(ALSource->source);
-
-                                memset(ALSource,0,sizeof(ALsource));
-                                free(ALSource);
-                            }
-                        }
-
+                        alSetError(AL_INVALID_NAME);
+                        bSourcesValid = AL_FALSE;
+                        break;
                     }
                 }
-                else
+
+                if (bSourcesValid)
                 {
-                    // Trying to delete more Sources than have been generated
-                    alSetError(AL_INVALID_NAME);
+                    // All Sources are valid, and can be deleted
+                    for (i = 0; i < n; i++)
+                    {
+                        // Recheck that the Source is valid, because there could be duplicated Source names
+                        if (alIsSource(sources[i]))
+                        {
+                            ALSource=((ALsource *)ALTHUNK_LOOKUPENTRY(sources[i]));
+                            alSourceStop((ALuint)ALSource->source);
+
+                            // For each buffer in the source's queue, decrement its reference counter and remove it
+                            while (ALSource->queue != NULL)
+                            {
+                                ALBufferList = ALSource->queue;
+                                // Decrement buffer's reference counter
+                                if (ALBufferList->buffer != 0)
+                                    ((ALbuffer*)(ALTHUNK_LOOKUPENTRY(ALBufferList->buffer)))->refcount--;
+                                // Update queue to point to next element in list
+                                ALSource->queue = ALBufferList->next;
+                                // Release memory allocated for buffer list item
+                                free(ALBufferList);
+                            }
+
+                            for(j = 0;j < MAX_SENDS;++j)
+                            {
+                                if(ALSource->Send[j].Slot)
+                                    ALSource->Send[j].Slot->refcount--;
+                                ALSource->Send[j].Slot = NULL;
+                            }
+
+                            // Decrement Source count
+                            Context->SourceCount--;
+
+                            // Remove Source from list of Sources
+                            list = &Context->Source;
+                            while(*list && *list != ALSource)
+                                list = &(*list)->next;
+
+                            if(*list)
+                                *list = (*list)->next;
+                            ALTHUNK_REMOVEENTRY(ALSource->source);
+
+                            memset(ALSource,0,sizeof(ALsource));
+                            free(ALSource);
+                        }
+                    }
                 }
             }
             else
@@ -341,6 +344,34 @@ ALAPI ALvoid ALAPIENTRY alSourcef(ALuint source, ALenum eParam, ALfloat flValue)
                     alSetError(AL_INVALID_VALUE);
                 break;
 
+            case AL_CONE_OUTER_GAINHF:
+                if ((flValue >= 0.0f) && (flValue <= 1.0f))
+                    pSource->OuterGainHF = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_AIR_ABSORPTION_FACTOR:
+                if (flValue >= 0.0f && flValue <= 10.0f)
+                    pSource->AirAbsorptionFactor = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_ROOM_ROLLOFF_FACTOR:
+                if (flValue >= 0.0f && flValue <= 1.0f)
+                    pSource->RoomRolloffFactor = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_DOPPLER_FACTOR:
+                if (flValue >= 0.0f && flValue <= 1.0f)
+                    pSource->DopplerFactor = flValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
             case AL_SEC_OFFSET:
             case AL_SAMPLE_OFFSET:
             case AL_BYTE_OFFSET:
@@ -461,9 +492,12 @@ ALAPI ALvoid ALAPIENTRY alSourcefv(ALuint source, ALenum eParam, const ALfloat *
                 case AL_MIN_GAIN:
                 case AL_MAX_GAIN:
                 case AL_CONE_OUTER_GAIN:
+                case AL_CONE_OUTER_GAINHF:
                 case AL_SEC_OFFSET:
                 case AL_SAMPLE_OFFSET:
                 case AL_BYTE_OFFSET:
+                case AL_AIR_ABSORPTION_FACTOR:
+                case AL_ROOM_ROLLOFF_FACTOR:
                     alSourcef(source, eParam, pflValues[0]);
                     break;
 
@@ -598,9 +632,6 @@ ALAPI ALvoid ALAPIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
                             pSource->lSourceType = AL_UNDETERMINED;
                         }
 
-                        // Set Buffers Processed
-                        pSource->BuffersProcessed = 0;
-
                         // Update AL_BUFFER parameter
                         pSource->ulBufferID = lValue;
                     }
@@ -636,6 +667,43 @@ ALAPI ALvoid ALAPIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
                     alSetError(AL_INVALID_VALUE);
                 break;
 
+            case AL_DIRECT_FILTER:
+                if(alIsFilter(lValue))
+                {
+                    ALfilter *filter = (ALfilter*)ALTHUNK_LOOKUPENTRY(lValue);
+                    if(!filter)
+                    {
+                        pSource->DirectFilter.type = AL_FILTER_NULL;
+                        pSource->DirectFilter.filter = 0;
+                    }
+                    else
+                        memcpy(&pSource->DirectFilter, filter, sizeof(*filter));
+                }
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_DIRECT_FILTER_GAINHF_AUTO:
+                if(lValue == AL_TRUE || lValue == AL_FALSE)
+                    pSource->DryGainHFAuto = lValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
+                if(lValue == AL_TRUE || lValue == AL_FALSE)
+                    pSource->WetGainAuto = lValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
+            case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
+                if(lValue == AL_TRUE || lValue == AL_FALSE)
+                    pSource->WetGainHFAuto = lValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
             default:
                 alSetError(AL_INVALID_ENUM);
                 break;
@@ -664,6 +732,8 @@ ALAPI void ALAPIENTRY alSource3i(ALuint source, ALenum eParam, ALint lValue1, AL
 
         if (alIsSource(source))
         {
+            ALsource *pSource = ((ALsource *)ALTHUNK_LOOKUPENTRY(source));
+
             switch (eParam)
             {
             case AL_POSITION:
@@ -672,6 +742,35 @@ ALAPI void ALAPIENTRY alSource3i(ALuint source, ALenum eParam, ALint lValue1, AL
                 alSource3f(source, eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3);
                 break;
 
+            case AL_AUXILIARY_SEND_FILTER:
+                if(lValue2 >= 0 && lValue2 < MAX_SENDS &&
+                   (alIsAuxiliaryEffectSlot(lValue1) || lValue1 == 0) &&
+                   alIsFilter(lValue3))
+                {
+                    ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(lValue1);
+                    ALfilter     *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(lValue3);
+
+                    /* Release refcount on the previous slot, and add one for
+                     * the new slot */
+                    if(pSource->Send[lValue2].Slot)
+                        pSource->Send[lValue2].Slot->refcount--;
+                    pSource->Send[lValue2].Slot = ALEffectSlot;
+                    if(pSource->Send[lValue2].Slot)
+                        pSource->Send[lValue2].Slot->refcount++;
+
+                    if(!ALFilter)
+                    {
+                        /* Disable filter */
+                        pSource->Send[lValue2].WetFilter.type = 0;
+                        pSource->Send[lValue2].WetFilter.filter = 0;
+                    }
+                    else
+                        memcpy(&pSource->Send[lValue2].WetFilter, ALFilter, sizeof(*ALFilter));
+                }
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
             default:
                 alSetError(AL_INVALID_ENUM);
                 break;
@@ -716,12 +815,17 @@ ALAPI void ALAPIENTRY alSourceiv(ALuint source, ALenum eParam, const ALint* plVa
                 case AL_MAX_DISTANCE:
                 case AL_ROLLOFF_FACTOR:
                 case AL_REFERENCE_DISTANCE:
+                case AL_DIRECT_FILTER:
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
+                case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
+                case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
                     alSourcei(source, eParam, plValues[0]);
                     break;
 
                 case AL_POSITION:
                 case AL_VELOCITY:
                 case AL_DIRECTION:
+                case AL_AUXILIARY_SEND_FILTER:
                     alSource3i(source, eParam, plValues[0], plValues[1], plValues[2]);
                     break;
 
@@ -749,7 +853,7 @@ ALAPI ALvoid ALAPIENTRY alGetSourcef(ALuint source, ALenum eParam, ALfloat *pflV
 {
     ALCcontext    *pContext;
     ALsource    *pSource;
-    ALfloat        flOffset;
+    ALfloat        flOffset[2];
 
     pContext = alcGetCurrentContext();
     if (pContext)
@@ -792,11 +896,27 @@ ALAPI ALvoid ALAPIENTRY alGetSourcef(ALuint source, ALenum eParam, ALfloat *pflV
                     *pflValue = pSource->flOuterGain;
                     break;
 
+                case AL_CONE_OUTER_GAINHF:
+                    *pflValue = pSource->OuterGainHF;
+                    break;
+
                 case AL_SEC_OFFSET:
                 case AL_SAMPLE_OFFSET:
                 case AL_BYTE_OFFSET:
-                    if (GetSourceOffset(pSource, eParam, &flOffset))
-                        *pflValue = flOffset;
+                    if(GetSourceOffset(pSource, eParam, flOffset, pContext->Device->UpdateSize))
+                        *pflValue = flOffset[0];
+                    else
+                        alSetError(AL_INVALID_OPERATION);
+                    break;
+
+                case AL_SEC_RW_OFFSETS_EXT:
+                case AL_SAMPLE_RW_OFFSETS_EXT:
+                case AL_BYTE_RW_OFFSETS_EXT:
+                    if(GetSourceOffset(pSource, eParam, flOffset, pContext->Device->UpdateSize))
+                    {
+                        pflValue[0] = flOffset[0];
+                        pflValue[1] = flOffset[1];
+                    }
                     else
                         alSetError(AL_INVALID_OPERATION);
                     break;
@@ -813,6 +933,18 @@ ALAPI ALvoid ALAPIENTRY alGetSourcef(ALuint source, ALenum eParam, ALfloat *pflV
                     *pflValue = pSource->flRefDistance;
                     break;
 
+                case AL_AIR_ABSORPTION_FACTOR:
+                    *pflValue = pSource->AirAbsorptionFactor;
+                    break;
+
+                case AL_ROOM_ROLLOFF_FACTOR:
+                    *pflValue = pSource->RoomRolloffFactor;
+                    break;
+
+                case AL_DOPPLER_FACTOR:
+                    *pflValue = pSource->DopplerFactor;
+                    break;
+
                 default:
                     alSetError(AL_INVALID_ENUM);
                     break;
@@ -913,6 +1045,7 @@ ALAPI ALvoid ALAPIENTRY alGetSourcefv(ALuint source, ALenum eParam, ALfloat *pfl
                 case AL_MAX_GAIN:
                 case AL_MAX_DISTANCE:
                 case AL_ROLLOFF_FACTOR:
+                case AL_DOPPLER_FACTOR:
                 case AL_CONE_OUTER_GAIN:
                 case AL_SEC_OFFSET:
                 case AL_SAMPLE_OFFSET:
@@ -920,6 +1053,9 @@ ALAPI ALvoid ALAPIENTRY alGetSourcefv(ALuint source, ALenum eParam, ALfloat *pfl
                 case AL_CONE_INNER_ANGLE:
                 case AL_CONE_OUTER_ANGLE:
                 case AL_REFERENCE_DISTANCE:
+                case AL_CONE_OUTER_GAINHF:
+                case AL_AIR_ABSORPTION_FACTOR:
+                case AL_ROOM_ROLLOFF_FACTOR:
                     alGetSourcef(source, eParam, pflValues);
                     break;
 
@@ -965,7 +1101,7 @@ ALAPI ALvoid ALAPIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValu
 {
     ALCcontext *pContext;
     ALsource   *pSource;
-    ALfloat     flOffset;
+    ALfloat     flOffset[2];
 
     pContext = alcGetCurrentContext();
     if (pContext)
@@ -1028,7 +1164,7 @@ ALAPI ALvoid ALAPIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValu
                         *plValue = 0;
                     }
                     else
-                        *plValue = pSource->BuffersProcessed;
+                        *plValue = pSource->BuffersPlayed;
                     break;
 
                 case AL_SOURCE_TYPE:
@@ -1038,12 +1174,44 @@ ALAPI ALvoid ALAPIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValu
                 case AL_SEC_OFFSET:
                 case AL_SAMPLE_OFFSET:
                 case AL_BYTE_OFFSET:
-                    if (GetSourceOffset(pSource, eParam, &flOffset))
-                        *plValue = (ALint)flOffset;
+                    if(GetSourceOffset(pSource, eParam, flOffset, pContext->Device->UpdateSize))
+                        *plValue = (ALint)flOffset[0];
                     else
                         alSetError(AL_INVALID_OPERATION);
                     break;
 
+                case AL_SEC_RW_OFFSETS_EXT:
+                case AL_SAMPLE_RW_OFFSETS_EXT:
+                case AL_BYTE_RW_OFFSETS_EXT:
+                    if(GetSourceOffset(pSource, eParam, flOffset, pContext->Device->UpdateSize))
+                    {
+                        plValue[0] = (ALint)flOffset[0];
+                        plValue[1] = (ALint)flOffset[1];
+                    }
+                    else
+                        alSetError(AL_INVALID_OPERATION);
+                    break;
+
+                case AL_DIRECT_FILTER:
+                    *plValue = pSource->DirectFilter.filter;
+                    break;
+
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
+                    *plValue = pSource->DryGainHFAuto;
+                    break;
+
+                case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
+                    *plValue = pSource->WetGainAuto;
+                    break;
+
+                case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
+                    *plValue = pSource->WetGainHFAuto;
+                    break;
+
+                case AL_DOPPLER_FACTOR:
+                    *plValue = (ALint)pSource->DopplerFactor;
+                    break;
+
                 default:
                     alSetError(AL_INVALID_ENUM);
                     break;
@@ -1151,8 +1319,13 @@ ALAPI void ALAPIENTRY alGetSourceiv(ALuint source, ALenum eParam, ALint* plValue
                 case AL_BYTE_OFFSET:
                 case AL_MAX_DISTANCE:
                 case AL_ROLLOFF_FACTOR:
+                case AL_DOPPLER_FACTOR:
                 case AL_REFERENCE_DISTANCE:
                 case AL_SOURCE_TYPE:
+                case AL_DIRECT_FILTER:
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
+                case AL_AUXILIARY_SEND_FILTER_GAIN_AUTO:
+                case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
                     alGetSourcei(source, eParam, plValues);
                     break;
 
@@ -1207,7 +1380,7 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
     ALbufferlistitem    *ALBufferList;
     ALboolean            bSourcesValid = AL_TRUE;
     ALboolean            bPlay;
-    ALsizei              i;
+    ALsizei              i, j;
 
     pContext = alcGetCurrentContext();
     if (pContext)
@@ -1250,6 +1423,10 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
 
                     if (bPlay)
                     {
+                        for(j = 0;j < OUTPUTCHANNELS;j++)
+                            pSource->DryGains[j] = 0.0f;
+                        pSource->WetGain = 0.0f;
+
                         if (pSource->state != AL_PAUSED)
                         {
                             pSource->state = AL_PLAYING;
@@ -1257,10 +1434,8 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
                             pSource->play = AL_TRUE;
                             pSource->position = 0;
                             pSource->position_fraction = 0;
-                            pSource->BuffersProcessed = 0;
                             pSource->BuffersPlayed = 0;
-                            pSource->BufferPosition = 0;
-                            pSource->lBytesPlayed = 0;
+                            pSource->FirstStart = AL_TRUE;
 
                             pSource->ulBufferID = pSource->queue->buffer;
 
@@ -1277,6 +1452,7 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
                             pSource->state = AL_PLAYING;
                             pSource->inuse = AL_TRUE;
                             pSource->play = AL_TRUE;
+                            pSource->FirstStart = AL_FALSE;
                         }
 
                         // Check if an Offset has been set
@@ -1293,7 +1469,7 @@ ALAPI ALvoid ALAPIENTRY alSourcePlayv(ALsizei n, const ALuint *pSourceList)
                             ALBufferList = ALBufferList->next;
                         }
 
-                        pSource->BuffersPlayed = pSource->BuffersProcessed = pSource->BuffersInQueue;
+                        pSource->BuffersPlayed = pSource->BuffersInQueue;
                     }
                 }
             }
@@ -1417,7 +1593,7 @@ ALAPI ALvoid ALAPIENTRY alSourceStopv(ALsizei n, const ALuint *sources)
                     {
                         Source->state=AL_STOPPED;
                         Source->inuse=AL_FALSE;
-                        Source->BuffersPlayed = Source->BuffersProcessed = Source->BuffersInQueue;
+                        Source->BuffersPlayed = Source->BuffersInQueue;
                         ALBufferListItem= Source->queue;
                         while (ALBufferListItem != NULL)
                         {
@@ -1489,7 +1665,7 @@ ALAPI ALvoid ALAPIENTRY alSourceRewindv(ALsizei n, const ALuint *sources)
                         Source->inuse=AL_FALSE;
                         Source->position=0;
                         Source->position_fraction=0;
-                        Source->BuffersProcessed = 0;
+                        Source->BuffersPlayed = 0;
                         ALBufferListItem= Source->queue;
                         while (ALBufferListItem != NULL)
                         {
@@ -1762,7 +1938,6 @@ ALAPI ALvoid ALAPIENTRY alSourceUnqueueBuffers( ALuint source, ALsizei n, ALuint
                     // Release memory for buffer list item
                     free(ALBufferList);
                     ALSource->BuffersInQueue--;
-                    ALSource->BuffersProcessed--;
                 }
 
                 if (ALSource->state != AL_PLAYING)
@@ -1776,10 +1951,7 @@ ALAPI ALvoid ALAPIENTRY alSourceUnqueueBuffers( ALuint source, ALsizei n, ALuint
                 }
 
                 if((ALuint)n > ALSource->BuffersPlayed)
-                {
                     ALSource->BuffersPlayed = 0;
-                    ALSource->BufferPosition = 0;
-                }
                 else
                     ALSource->BuffersPlayed -= n;
             }
@@ -1829,6 +2001,14 @@ static ALvoid InitSourceParams(ALsource *pSource)
     pSource->flMinGain = 0.0f;
     pSource->flMaxGain = 1.0f;
     pSource->flOuterGain = 0.0f;
+    pSource->OuterGainHF = 1.0f;
+
+    pSource->DryGainHFAuto = AL_TRUE;
+    pSource->WetGainAuto = AL_TRUE;
+    pSource->WetGainHFAuto = AL_TRUE;
+    pSource->AirAbsorptionFactor = 0.0f;
+    pSource->RoomRolloffFactor = 0.0f;
+    pSource->DopplerFactor = 1.0f;
 
     pSource->state = AL_INITIAL;
     pSource->lSourceType = AL_UNDETERMINED;
@@ -1843,32 +2023,40 @@ static ALvoid InitSourceParams(ALsource *pSource)
     Gets the current playback position in the given Source, in the appropriate format (Bytes, Samples or MilliSeconds)
     The offset is relative to the start of the queue (not the start of the current buffer)
 */
-static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOffset)
+static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOffset, ALuint updateSize)
 {
     ALbufferlistitem *pBufferList;
+    ALbuffer         *pBuffer;
     ALfloat        flBufferFreq;
-    ALint        lBytesPlayed, lChannels;
+    ALint        lChannels;
+    ALint        readPos, writePos;
     ALenum        eOriginalFormat;
     ALboolean    bReturn = AL_TRUE;
     ALint        lTotalBufferDataSize;
 
     if (((pSource->state == AL_PLAYING) || (pSource->state == AL_PAUSED)) && (pSource->ulBufferID))
     {
+        pBuffer = ALTHUNK_LOOKUPENTRY(pSource->ulBufferID);
         // Get Current Buffer Size and frequency (in milliseconds)
-        flBufferFreq = (ALfloat)(((ALbuffer*)ALTHUNK_LOOKUPENTRY(pSource->ulBufferID))->frequency);
-        eOriginalFormat = ((ALbuffer*)ALTHUNK_LOOKUPENTRY(pSource->ulBufferID))->eOriginalFormat;
-        lChannels = ((((ALbuffer*)ALTHUNK_LOOKUPENTRY(pSource->ulBufferID))->format == AL_FORMAT_MONO16)?1:2);
+        flBufferFreq = (ALfloat)pBuffer->frequency;
+        eOriginalFormat = pBuffer->eOriginalFormat;
+        lChannels = aluChannelsFromFormat(pBuffer->format);
 
         // Get Current BytesPlayed
-        lBytesPlayed = pSource->position * lChannels * 2; // NOTE : This is the byte offset into the *current* buffer
+        readPos = pSource->position * lChannels * 2; // NOTE : This is the byte offset into the *current* buffer
         // Add byte length of any processed buffers in the queue
         pBufferList = pSource->queue;
         while ((pBufferList) && (pBufferList->bufferstate == PROCESSED))
         {
-            lBytesPlayed += ((ALbuffer*)ALTHUNK_LOOKUPENTRY(pBufferList->buffer))->size;
+            readPos += ((ALbuffer*)ALTHUNK_LOOKUPENTRY(pBufferList->buffer))->size;
             pBufferList = pBufferList->next;
         }
 
+        if(pSource->state == AL_PLAYING)
+            writePos = readPos + (updateSize * lChannels * 2);
+        else
+            writePos = readPos;
+
         lTotalBufferDataSize = 0;
         pBufferList = pSource->queue;
         while (pBufferList)
@@ -1880,51 +2068,88 @@ static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOf
 
         if (pSource->bLooping)
         {
-            if (lBytesPlayed < 0)
-                lBytesPlayed = 0;
+            if(readPos < 0)
+                readPos = 0;
             else
-                lBytesPlayed = lBytesPlayed % lTotalBufferDataSize;
+                readPos %= lTotalBufferDataSize;
+            if(writePos < 0)
+                writePos = 0;
+            else
+                writePos %= lTotalBufferDataSize;
         }
         else
         {
             // Clamp BytesPlayed to within 0 and lTotalBufferDataSize
-            if(lBytesPlayed < 0)
-                lBytesPlayed = 0;
-            if(lBytesPlayed > lTotalBufferDataSize)
-                lBytesPlayed = lTotalBufferDataSize;
+            if(readPos < 0)
+                readPos = 0;
+            else if(readPos > lTotalBufferDataSize)
+                readPos = lTotalBufferDataSize;
+            if(writePos < 0)
+                writePos = 0;
+            else if(writePos > lTotalBufferDataSize)
+                writePos = lTotalBufferDataSize;
         }
 
         switch (eName)
         {
         case AL_SEC_OFFSET:
-            *pflOffset = ((ALfloat)lBytesPlayed / (lChannels * 2.0f * flBufferFreq));
+        case AL_SEC_RW_OFFSETS_EXT:
+            pflOffset[0] = (ALfloat)readPos / (lChannels * 2.0f * flBufferFreq);
+            pflOffset[1] = (ALfloat)writePos / (lChannels * 2.0f * flBufferFreq);
             break;
         case AL_SAMPLE_OFFSET:
-            *pflOffset = (ALfloat)(lBytesPlayed / (lChannels * 2));
+        case AL_SAMPLE_RW_OFFSETS_EXT:
+            pflOffset[0] = (ALfloat)(readPos / (lChannels * 2));
+            pflOffset[1] = (ALfloat)(writePos / (lChannels * 2));
             break;
         case AL_BYTE_OFFSET:
+        case AL_BYTE_RW_OFFSETS_EXT:
             // Take into account the original format of the Buffer
-            if ((eOriginalFormat == AL_FORMAT_MONO8) || (eOriginalFormat == AL_FORMAT_STEREO8))
+            if ((eOriginalFormat == AL_FORMAT_MONO_IMA4) ||
+                (eOriginalFormat == AL_FORMAT_STEREO_IMA4))
             {
-                *pflOffset = (ALfloat)(lBytesPlayed >> 1);
-            }
-            else if ((eOriginalFormat == AL_FORMAT_MONO_IMA4) || (eOriginalFormat == AL_FORMAT_STEREO_IMA4))
-            {
-                // Compression rate of the ADPCM supported is 3.6111 to 1
-                lBytesPlayed = (ALint)((ALfloat)lBytesPlayed / 3.6111f);
                 // Round down to nearest ADPCM block
-                *pflOffset = (ALfloat)((lBytesPlayed / (36 * lChannels)) * 36 * lChannels);
+                pflOffset[0] = (ALfloat)((readPos / (65 * 2 * lChannels)) * 36 * lChannels);
+                if(pSource->state == AL_PLAYING)
+                {
+                    // Round up to nearest ADPCM block
+                    pflOffset[1] = (ALfloat)(((writePos + (65 * 2 * lChannels) - 1) / (65 * 2 * lChannels)) * 36 * lChannels);
+                }
+                else
+                    pflOffset[1] = pflOffset[0];
+            }
+            else if (eOriginalFormat == AL_FORMAT_REAR8)
+            {
+                pflOffset[0] = (ALfloat)(readPos >> 2);
+                pflOffset[1] = (ALfloat)(writePos >> 2);
+            }
+            else if (eOriginalFormat == AL_FORMAT_REAR16)
+            {
+                pflOffset[0] = (ALfloat)(readPos >> 1);
+                pflOffset[1] = (ALfloat)(writePos >> 1);
+            }
+            else if (aluBytesFromFormat(eOriginalFormat) == 1)
+            {
+                pflOffset[0] = (ALfloat)(readPos >> 1);
+                pflOffset[1] = (ALfloat)(writePos >> 1);
+            }
+            else if (aluBytesFromFormat(eOriginalFormat) == 4)
+            {
+                pflOffset[0] = (ALfloat)(readPos << 1);
+                pflOffset[1] = (ALfloat)(writePos << 1);
             }
             else
             {
-                *pflOffset = (ALfloat)lBytesPlayed;
+                pflOffset[0] = (ALfloat)readPos;
+                pflOffset[1] = (ALfloat)writePos;
             }
             break;
         }
     }
     else
     {
-        *pflOffset = 0.0f;
+        pflOffset[0] = 0.0f;
+        pflOffset[1] = 0.0f;
     }
 
     return bReturn;
@@ -1940,6 +2165,7 @@ static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOf
 static void ApplyOffset(ALsource *pSource, ALboolean bUpdateContext)
 {
     ALbufferlistitem    *pBufferList;
+    ALbuffer            *pBuffer;
     ALint                lBufferSize, lTotalBufferSize;
     ALint                lByteOffset;
 
@@ -1953,10 +2179,10 @@ static void ApplyOffset(ALsource *pSource, ALboolean bUpdateContext)
         pBufferList = pSource->queue;
         lTotalBufferSize = 0;
         pSource->BuffersPlayed = 0;
-        pSource->BuffersProcessed = 0;
         while (pBufferList)
         {
-            lBufferSize = pBufferList->buffer ? ((ALbuffer*)ALTHUNK_LOOKUPENTRY(pBufferList->buffer))->size : 0;
+            pBuffer = ALTHUNK_LOOKUPENTRY(pBufferList->buffer);
+            lBufferSize = pBuffer ? pBuffer->size : 0;
 
             if ((lTotalBufferSize + lBufferSize) <= lByteOffset)
             {
@@ -1965,10 +2191,7 @@ static void ApplyOffset(ALsource *pSource, ALboolean bUpdateContext)
                 pSource->BuffersPlayed++;
 
                 if (!pSource->bLooping)
-                {
                     pBufferList->bufferstate = PROCESSED;
-                    pSource->BuffersProcessed++;
-                }
             }
             else if (lTotalBufferSize <= lByteOffset)
             {
@@ -1978,14 +2201,10 @@ static void ApplyOffset(ALsource *pSource, ALboolean bUpdateContext)
                 // Set Current Buffer ID
                 pSource->ulBufferID = pBufferList->buffer;
 
-                // Set current position in this buffer
-                pSource->BufferPosition = lByteOffset - lTotalBufferSize;
-
-                // Set Total Bytes Played to Offset
-                pSource->lBytesPlayed = lByteOffset;
-
                 // SW Mixer Positions are in Samples
-                pSource->position = pSource->BufferPosition / ((((ALbuffer*)ALTHUNK_LOOKUPENTRY(pBufferList->buffer))->format == AL_FORMAT_MONO16)?2:4);
+                pSource->position = (lByteOffset - lTotalBufferSize) /
+                                    aluBytesFromFormat(pBuffer->format) /
+                                    aluChannelsFromFormat(pBuffer->format);
             }
             else
             {
@@ -2042,19 +2261,15 @@ static ALint GetByteOffset(ALsource *pSource)
     if (pBuffer)
     {
         flBufferFreq = ((ALfloat)pBuffer->frequency);
-        lChannels = (pBuffer->format == AL_FORMAT_MONO16)?1:2;
+        lChannels = aluChannelsFromFormat(pBuffer->format);
 
         // Determine the ByteOffset (and ensure it is block aligned)
         switch (pSource->lOffsetType)
         {
         case AL_BYTE_OFFSET:
             // Take into consideration the original format
-            if ((pBuffer->eOriginalFormat == AL_FORMAT_MONO8) || (pBuffer->eOriginalFormat == AL_FORMAT_STEREO8))
-            {
-                lByteOffset = pSource->lOffset * 2;
-                lByteOffset -= (lByteOffset % (lChannels * 2));
-            }
-            else if ((pBuffer->eOriginalFormat == AL_FORMAT_MONO_IMA4) || (pBuffer->eOriginalFormat == AL_FORMAT_STEREO_IMA4))
+            if ((pBuffer->eOriginalFormat == AL_FORMAT_MONO_IMA4) ||
+                (pBuffer->eOriginalFormat == AL_FORMAT_STEREO_IMA4))
             {
                 // Round down to nearest ADPCM block
                 lByteOffset = (pSource->lOffset / (36 * lChannels)) * 36 * lChannels;
@@ -2062,6 +2277,26 @@ static ALint GetByteOffset(ALsource *pSource)
                 lByteOffset = (ALint)(3.6111f * (ALfloat)lByteOffset);
                 lByteOffset -= (lByteOffset % (lChannels * 2));
             }
+            else if (pBuffer->eOriginalFormat == AL_FORMAT_REAR8)
+            {
+                lByteOffset = pSource->lOffset * 4;
+                lByteOffset -= (lByteOffset % (lChannels * 2));
+            }
+            else if (pBuffer->eOriginalFormat == AL_FORMAT_REAR16)
+            {
+                lByteOffset = pSource->lOffset * 2;
+                lByteOffset -= (lByteOffset % (lChannels * 2));
+            }
+            else if (aluBytesFromFormat(pBuffer->eOriginalFormat) == 1)
+            {
+                lByteOffset = pSource->lOffset * 2;
+                lByteOffset -= (lByteOffset % (lChannels * 2));
+            }
+            else if (aluBytesFromFormat(pBuffer->eOriginalFormat) == 4)
+            {
+                lByteOffset = pSource->lOffset / 2;
+                lByteOffset -= (lByteOffset % (lChannels * 2));
+            }
             else
             {
                 lByteOffset = pSource->lOffset;
@@ -2096,3 +2331,24 @@ static ALint GetByteOffset(ALsource *pSource)
 
     return lByteOffset;
 }
+
+
+ALvoid ReleaseALSources(ALCcontext *Context)
+{
+#ifdef _DEBUG
+    if(Context->SourceCount > 0)
+        AL_PRINT("alcDestroyContext(): deleting %d Source(s)\n", Context->SourceCount);
+#endif
+
+    while(Context->Source)
+    {
+        ALsource *temp = Context->Source;
+        Context->Source = Context->Source->next;
+
+        // Release source structure
+        ALTHUNK_REMOVEENTRY(temp->source);
+        memset(temp, 0, sizeof(ALsource));
+        free(temp);
+    }
+    Context->SourceCount = 0;
+}

OpenAL32/alState.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 #include "alMain.h"
 #include "AL/alc.h"
@@ -25,7 +27,7 @@
 #include "alState.h"
 
 static const ALchar alVendor[] = "OpenAL Community";
-static const ALchar alVersion[] = "1.1";
+static const ALchar alVersion[] = "1.1 ALSOFT "ALSOFT_VERSION;
 static const ALchar alRenderer[] = "OpenAL Soft";
 
 // Error Messages

OpenAL32/alThunk.c

@@ -18,6 +18,8 @@
  * Or go to http://www.gnu.org/copyleft/lgpl.html
  */
 
+#include "config.h"
+
 #include <stdlib.h>
 
 #include "alMain.h"

admin/pkgconfig/openal.pc.in

@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: OpenAL
+Description: OpenAL is a cross-platform 3D audio API
+Requires: @PKG_CONFIG_REQUIRES@
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -l@LIBNAME@ @PKG_CONFIG_LIBS@
+Cflags: -I${includedir}

alsoftrc.sample

@@ -0,0 +1,107 @@
+# OpenAL config file. Options that are not under a block or are under the
+# [general] block are for general, non-backend-specific options. Blocks may
+# appear multiple times, and duplicated options will take the last value
+# specified.
+# The system-wide settings can be put in /etc/openal/alsoft.conf and user-
+# specific override settings in ~/.alsoftrc.
+# For Windows, these settings should go into %AppData%\alsoft.ini
+# The environment variable ALSOFT_CONF can be used to specify another config
+# override
+
+# Option and block names are case-insenstive. The supplied values are only
+# hints and may not be honored (though generally it'll try to get as close as
+# possible). These are the current available settings:
+
+format = AL_FORMAT_STEREO16  # Sets the output format. Can be one of:
+                             # AL_FORMAT_MONO8    (8-bit mono)
+                             # AL_FORMAT_STEREO8  (8-bit stereo)
+                             # AL_FORMAT_QUAD8    (8-bit 4-channel)
+                             # AL_FORMAT_51CHN8   (8-bit 5.1 output)
+                             # AL_FORMAT_61CHN8   (8-bit 6.1 output)
+                             # AL_FORMAT_71CHN8   (8-bit 7.1 output)
+                             # AL_FORMAT_MONO16   (16-bit mono)
+                             # AL_FORMAT_STEREO16 (16-bit stereo)
+                             # AL_FORMAT_QUAD16   (16-bit 4-channel)
+                             # AL_FORMAT_51CHN16  (16-bit 5.1 output)
+                             # AL_FORMAT_61CHN16  (16-bit 6.1 output)
+                             # AL_FORMAT_71CHN16  (16-bit 7.1 output)
+                             # Default is AL_FORMAT_STEREO16
+
+cf_level = 0  # Sets the crossfeed level for stereo output. Valid values are:
+              # 0 - No crossfeed
+              # 1 - Low crossfeed
+              # 2 - Middle crossfeed
+              # 3 - High crossfeed (virtual speakers are closer to itself)
+              # 4 - Low easy crossfeed
+              # 5 - Middle easy crossfeed
+              # 6 - High easy crossfeed
+              # Default is 0. Users of headphones may want to try various
+              # settings. Has no effect on non-stereo modes.
+
+frequency = 44100  # Sets the output frequency. Default is 44100
+
+refresh = 4096  # Sets the buffer size, in frames. Default is 4096. Note that
+                # the actual granularity may or may not be less than this.
+
+sources = 256  # Sets the maximum number of allocatable sources. Lower values
+               # may help for systems with apps that try to play more sounds
+               # than the CPU can handle. Default is 256
+
+stereodup =  # Sets whether to duplicate stereo sounds on the rear speakers for
+             # 4+ channel output. This can make stereo sources substantially
+             # louder than mono or even 4+ channel sources, but provides a
+             # "fuller" playback quality. True, yes, on, and non-0 values will
+             # duplicate stereo sources. 0 and anything else will cause stereo
+             # sounds to only play out the front speakers.
+             # Default is false
+
+drivers =  # Sets the backend driver list order, comma-seperated. Unknown
+           # backends and duplicated names are ignored, and unlisted backends
+           # won't be considered for use. An empty list means the default.
+           # Default is:
+           # alsa,oss,solaris,dsound,winmm,wave
+
+excludefx =  # Sets which effects to exclude, preventing apps from using them.
+             # This can help for apps that try to use effects which are too CPU
+             # intensive for the system to handle. Available effects are:
+             # reverb
+             # Default is empty (all available effects enabled)
+
+[alsa]  # ALSA backend stuff
+device = default  # Sets the device name for the default playback device.
+                  # Default is default
+
+periods = 0  # Sets the number of update buffers for playback. A value of 0
+             # means auto-select. Default is 0
+
+capture = default  # Sets the device name for the default capture device.
+                   # Default is default
+
+mmap = true  # Sets whether to try using mmap mode (helps reduce latencies and
+             # CPU consumption). If mmap isn't available, it will automatically
+             # fall back to non-mmap mode. True, yes, on, and non-0 values will
+             # attempt to use mmap. 0 and anything else will force mmap off.
+             # Default is true.
+
+[oss]  # OSS backend stuff
+device = /dev/dsp  # Sets the device name for OSS output. Default is /dev/dsp
+
+periods = 4  # Sets the number of update buffers. Default is 4
+
+capture = /dev/dsp  # Sets the device name for OSS capture. Default is /dev/dsp
+
+[solaris]  # Solaris backend stuff
+device = /dev/audio  # Sets the device name for Solaris output. Default is
+                     # /dev/audio
+
+[dsound]  # DirectSound backend stuff
+periods = 4  # Sets the number of updates for the output buffer. Default is 4
+
+[winmm]  # Windows Multimedia backend stuff
+         # Nothing yet...
+
+[wave]  # Wave File Writer stuff
+file =  # Sets the filename of the wave file to write to. An empty name
+        # prevents the backend from opening, even when explicitly requested.
+        # THIS WILL OVERWRITE EXISTING FILES WITHOUT QUESTION!
+        # Default is empty

config.h.in

@@ -1,12 +1,18 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+/* Define to the library version */
+#define ALSOFT_VERSION "${LIB_VERSION}"
+
 /* Define if we have the ALSA backend */
 #cmakedefine HAVE_ALSA
 
 /* Define if we have the OSS backend */
 #cmakedefine HAVE_OSS
 
+/* Define if we have the Solaris backend */
+#cmakedefine HAVE_SOLARIS
+
 /* Define if we have the DSound backend */
 #cmakedefine HAVE_DSOUND
 
@@ -19,6 +25,9 @@
 /* Define if we have the sqrtf function */
 #cmakedefine HAVE_SQRTF
 
+/* Define if we have the acosf function */
+#cmakedefine HAVE_ACOSF
+
 /* Define if we have the strtof function */
 #cmakedefine HAVE_STRTOF
 
@@ -43,4 +52,19 @@
 /* Define if we have GCC's destructor attribute */
 #cmakedefine HAVE_GCC_DESTRUCTOR
 
+/* Define if we have pthread_np.h */
+#cmakedefine HAVE_PTHREAD_NP_H
+
+/* Define if we have float.h */
+#cmakedefine HAVE_FLOAT_H
+
+/* Define if we have fenv.h */
+#cmakedefine HAVE_FENV_H
+
+/* Define if we have fesetround() */
+#cmakedefine HAVE_FESETROUND
+
+/* Define if we have _controlfp() */
+#cmakedefine HAVE__CONTROLFP
+
 #endif

examples/openal-info.c

@@ -0,0 +1,294 @@
+/*
+ * openal-info: Display information about ALC and AL.
+ *
+ * Idea based on glxinfo for OpenGL.
+ * Initial OpenAL version by Erik Hofman <erik@ehofman.com>.
+ * Further hacked by Sven Panne <sven.panne@aedion.de>.
+ * More work (clean up) by Chris Robinson <chris.kcat@gmail.com>.
+ *
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "AL/alc.h"
+#include "AL/al.h"
+#include "AL/alext.h"
+
+#ifndef ALC_EXT_EFX
+#define AL_FILTER_TYPE                                     0x8001
+#define AL_EFFECT_TYPE                                     0x8001
+#define AL_FILTER_NULL                                     0x0000
+#define AL_FILTER_LOWPASS                                  0x0001
+#define AL_FILTER_HIGHPASS                                 0x0002
+#define AL_FILTER_BANDPASS                                 0x0003
+#define AL_EFFECT_NULL                                     0x0000
+#define AL_EFFECT_EAXREVERB                                0x8000
+#define AL_EFFECT_REVERB                                   0x0001
+#define AL_EFFECT_CHORUS                                   0x0002
+#define AL_EFFECT_DISTORTION                               0x0003
+#define AL_EFFECT_ECHO                                     0x0004
+#define AL_EFFECT_FLANGER                                  0x0005
+#define AL_EFFECT_FREQUENCY_SHIFTER                        0x0006
+#define AL_EFFECT_VOCAL_MORPHER                            0x0007
+#define AL_EFFECT_PITCH_SHIFTER                            0x0008
+#define AL_EFFECT_RING_MODULATOR                           0x0009
+#define AL_EFFECT_AUTOWAH                                  0x000A
+#define AL_EFFECT_COMPRESSOR                               0x000B
+#define AL_EFFECT_EQUALIZER                                0x000C
+#define ALC_EFX_MAJOR_VERSION                              0x20001
+#define ALC_EFX_MINOR_VERSION                              0x20002
+#define ALC_MAX_AUXILIARY_SENDS                            0x20003
+#endif
+ALvoid (AL_APIENTRY *p_alGenFilters)(ALsizei,ALuint*);
+ALvoid (AL_APIENTRY *p_alDeleteFilters)(ALsizei,ALuint*);
+ALvoid (AL_APIENTRY *p_alFilteri)(ALuint,ALenum,ALint);
+ALvoid (AL_APIENTRY *p_alGenEffects)(ALsizei,ALuint*);
+ALvoid (AL_APIENTRY *p_alDeleteEffects)(ALsizei,ALuint*);
+ALvoid (AL_APIENTRY *p_alEffecti)(ALuint,ALenum,ALint);
+
+static const int indentation = 4;
+static const int maxmimumWidth = 79;
+
+static void printChar(int c, int *width)
+{
+    putchar(c);
+    *width = ((c == '\n') ? 0 : ((*width) + 1));
+}
+
+static void indent(int *width)
+{
+    int i;
+    for(i = 0; i < indentation; i++)
+        printChar(' ', width);
+}
+
+static void printExtensions(const char *header, char separator, const char *extensions)
+{
+    int width = 0, start = 0, end = 0;
+
+    printf("%s:\n", header);
+    if(extensions == NULL || extensions[0] == '\0')
+        return;
+
+    indent(&width);
+    while (1)
+    {
+        if(extensions[end] == separator || extensions[end] == '\0')
+        {
+            if(width + end - start + 2 > maxmimumWidth)
+            {
+                printChar('\n', &width);
+                indent(&width);
+            }
+            while(start < end)
+            {
+                printChar(extensions[start], &width);
+                start++;
+            }
+            if(extensions[end] == '\0')
+                break;
+            start++;
+            end++;
+            if(extensions[end] == '\0')
+                break;
+            printChar(',', &width);
+            printChar(' ', &width);
+        }
+        end++;
+    }
+    printChar('\n', &width);
+}
+
+static void die(const char *kind, const char *description)
+{
+    fprintf(stderr, "%s error %s occured\n", kind, description);
+    exit(EXIT_FAILURE);
+}
+
+static void checkForErrors(void)
+{
+    {
+        ALCdevice *device = alcGetContextsDevice(alcGetCurrentContext());
+        ALCenum error = alcGetError(device);
+        if(error != ALC_NO_ERROR)
+            die("ALC", (const char*)alcGetString(device, error));
+    }
+    {
+        ALenum error = alGetError();
+        if(error != AL_NO_ERROR)
+            die("AL", (const char*)alGetString(error));
+    }
+}
+
+static void printDevices(ALCenum which, const char *kind)
+{
+    const char *s = alcGetString(NULL, which);
+    checkForErrors();
+
+    printf("Available %sdevices:\n", kind);
+    while(*s != '\0')
+    {
+        printf("    %s\n", s);
+        while(*s++ != '\0')
+            ;
+    }
+}
+
+static void printALCInfo (void)
+{
+    ALCint major, minor;
+    ALCdevice *device;
+
+    if(alcIsExtensionPresent(NULL, (const ALCchar*)"ALC_ENUMERATION_EXT") == AL_TRUE)
+    {
+        if(alcIsExtensionPresent(NULL, (const ALCchar*)"ALC_ENUMERATE_ALL_EXT") == AL_TRUE)
+            printDevices(ALC_ALL_DEVICES_SPECIFIER, "playback ");
+        else
+            printDevices(ALC_DEVICE_SPECIFIER, "playback ");
+        printDevices(ALC_CAPTURE_DEVICE_SPECIFIER, "capture ");
+    }
+    else
+        printf("No device enumeration available\n");
+
+    device = alcGetContextsDevice(alcGetCurrentContext());
+    checkForErrors();
+
+    printf("Default device: %s\n",
+           alcGetString(device, ALC_DEFAULT_DEVICE_SPECIFIER));
+
+    printf("Default capture device: %s\n",
+           alcGetString(device, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER));
+
+    alcGetIntegerv(device, ALC_MAJOR_VERSION, 1, &major);
+    alcGetIntegerv(device, ALC_MINOR_VERSION, 1, &minor);
+    checkForErrors();
+    printf("ALC version: %d.%d\n", (int)major, (int)minor);
+
+    printExtensions("ALC extensions", ' ',
+                    alcGetString(device, ALC_EXTENSIONS));
+    checkForErrors();
+}
+
+static void printALInfo(void)
+{
+    printf("OpenAL vendor string: %s\n", alGetString(AL_VENDOR));
+    printf("OpenAL renderer string: %s\n", alGetString(AL_RENDERER));
+    printf("OpenAL version string: %s\n", alGetString(AL_VERSION));
+    printExtensions("OpenAL extensions", ' ', alGetString(AL_EXTENSIONS));
+    checkForErrors();
+}
+
+static void printEFXInfo(void)
+{
+    ALCint major, minor, sends;
+    ALCdevice *device;
+    ALuint obj;
+    int i;
+    const struct {
+        ALenum type;
+        const char *name;
+    } effects[] = {
+        { AL_EFFECT_EAXREVERB,         "EAX Reverb"        },
+        { AL_EFFECT_REVERB,            "Standard Reverb"   },
+        { AL_EFFECT_CHORUS,            "Chorus"            },
+        { AL_EFFECT_DISTORTION,        "Distortion"        },
+        { AL_EFFECT_ECHO,              "Echo"              },
+        { AL_EFFECT_FLANGER,           "Flanger"           },
+        { AL_EFFECT_FREQUENCY_SHIFTER, "Frequency Shifter" },
+        { AL_EFFECT_VOCAL_MORPHER,     "Vocal Morpher"     },
+        { AL_EFFECT_PITCH_SHIFTER,     "Pitch Shifter"     },
+        { AL_EFFECT_RING_MODULATOR,    "Ring Modulator"    },
+        { AL_EFFECT_AUTOWAH,           "Autowah"           },
+        { AL_EFFECT_COMPRESSOR,        "Compressor"        },
+        { AL_EFFECT_EQUALIZER,         "Equalizer"         },
+        { AL_EFFECT_NULL, NULL }
+    };
+    const struct {
+        ALenum type;
+        const char *name;
+    } filters[] = {
+        { AL_FILTER_LOWPASS,  "Low-pass"  },
+        { AL_FILTER_HIGHPASS, "High-pass" },
+        { AL_FILTER_BANDPASS, "Band-pass" },
+        { AL_FILTER_NULL, NULL }
+    };
+
+    device = alcGetContextsDevice(alcGetCurrentContext());
+
+    if(alcIsExtensionPresent(device, (const ALCchar*)"ALC_EXT_EFX") == AL_FALSE)
+    {
+        printf("EFX not available\n");
+        return;
+    }
+
+    alcGetIntegerv(device, ALC_EFX_MAJOR_VERSION, 1, &major);
+    alcGetIntegerv(device, ALC_EFX_MINOR_VERSION, 1, &minor);
+    checkForErrors();
+    printf("EFX version: %d.%d\n", (int)major, (int)minor);
+
+    alcGetIntegerv(device, ALC_MAX_AUXILIARY_SENDS, 1, &sends);
+    checkForErrors();
+    printf("Max auxiliary sends: %d\n", (int)sends);
+
+    p_alGenFilters = alGetProcAddress("alGenFilters");
+    p_alDeleteFilters = alGetProcAddress("alDeleteFilters");
+    p_alFilteri = alGetProcAddress("alFilteri");
+    p_alGenEffects = alGetProcAddress("alGenEffects");
+    p_alDeleteEffects = alGetProcAddress("alDeleteEffects");
+    p_alEffecti = alGetProcAddress("alEffecti");
+    checkForErrors();
+    if(!p_alGenEffects || !p_alDeleteEffects || !p_alEffecti ||
+       !p_alGenFilters || !p_alDeleteFilters || !p_alFilteri)
+    {
+        printf("Missing EFX functions!\n");
+        return;
+    }
+
+    p_alGenFilters(1, &obj);
+    checkForErrors();
+    printf("Available filters:\n");
+    for(i = 0;filters[i].type != AL_FILTER_NULL;i++)
+    {
+        p_alFilteri(obj, AL_FILTER_TYPE, filters[i].type);
+        if(alGetError() == AL_NO_ERROR)
+            printf("    %s\n", filters[i].name);
+    }
+    p_alDeleteFilters(1, &obj);
+    checkForErrors();
+
+    p_alGenEffects(1, &obj);
+    checkForErrors();
+    printf("Available effects:\n");
+    for(i = 0;effects[i].type != AL_EFFECT_NULL;i++)
+    {
+        p_alEffecti(obj, AL_EFFECT_TYPE, effects[i].type);
+        if(alGetError() == AL_NO_ERROR)
+            printf("    %s\n", effects[i].name);
+    }
+    p_alDeleteEffects(1, &obj);
+    checkForErrors();
+}
+
+int main()
+{
+    ALCdevice *device = alcOpenDevice(NULL);
+    ALCcontext *context = alcCreateContext(device, NULL);
+    alcMakeContextCurrent(context);
+    checkForErrors();
+
+    printALCInfo();
+    printALInfo();
+    printEFXInfo();
+    checkForErrors();
+
+    alcMakeContextCurrent(NULL);
+    alcDestroyContext(context);
+    alcCloseDevice(device);
+
+    return EXIT_SUCCESS;
+}

include/AL/alc.h

@@ -166,11 +166,6 @@ typedef void ALCvoid;
 #define ALC_ATTRIBUTES_SIZE                      0x1002
 #define ALC_ALL_ATTRIBUTES                       0x1003
 
-/**
- * ALC_ENUMERATE_ALL_EXT enums
- */
-#define ALC_DEFAULT_ALL_DEVICES_SPECIFIER        0x1012
-#define ALC_ALL_DEVICES_SPECIFIER                0x1013
 
 /**
  * Capture extension

include/AL/alext.h

@@ -0,0 +1,106 @@
+/**
+ * OpenAL cross platform audio library
+ * Copyright (C) 2008 by authors.
+ * This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ *  License along with this library; if not, write to the
+ *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ *  Boston, MA  02111-1307, USA.
+ * Or go to http://www.gnu.org/copyleft/lgpl.html
+ */
+
+#ifndef AL_ALEXT_H
+#define AL_ALEXT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef AL_LOKI_IMA_ADPCM_format
+#define AL_LOKI_IMA_ADPCM_format 1
+#define AL_FORMAT_IMA_ADPCM_MONO16_EXT           0x10000
+#define AL_FORMAT_IMA_ADPCM_STEREO16_EXT         0x10001
+#endif
+
+#ifndef AL_LOKI_WAVE_format
+#define AL_LOKI_WAVE_format 1
+#define AL_FORMAT_WAVE_EXT                       0x10002
+#endif
+
+#ifndef AL_EXT_vorbis
+#define AL_EXT_vorbis 1
+#define AL_FORMAT_VORBIS_EXT                     0x10003
+#endif
+
+#ifndef AL_LOKI_quadriphonic
+#define AL_LOKI_quadriphonic 1
+#define AL_FORMAT_QUAD8_LOKI                     0x10004
+#define AL_FORMAT_QUAD16_LOKI                    0x10005
+#endif
+
+#ifndef AL_EXT_float32
+#define AL_EXT_float32 1
+#define AL_FORMAT_MONO_FLOAT32                   0x10010
+#define AL_FORMAT_STEREO_FLOAT32                 0x10011
+#endif
+
+#ifndef ALC_LOKI_audio_channel
+#define ALC_LOKI_audio_channel 1
+#define ALC_CHAN_MAIN_LOKI                       0x500001
+#define ALC_CHAN_PCM_LOKI                        0x500002
+#define ALC_CHAN_CD_LOKI                         0x500003
+#endif
+
+#ifndef ALC_ENUMERATE_ALL_EXT
+#define ALC_ENUMERATE_ALL_EXT 1
+#define ALC_DEFAULT_ALL_DEVICES_SPECIFIER        0x1012
+#define ALC_ALL_DEVICES_SPECIFIER                0x1013
+#endif
+
+#ifndef AL_EXT_MCFORMATS
+#define AL_EXT_MCFORMATS 1
+#define AL_FORMAT_QUAD8                          0x1204
+#define AL_FORMAT_QUAD16                         0x1205
+#define AL_FORMAT_QUAD32                         0x1206
+#define AL_FORMAT_REAR8                          0x1207
+#define AL_FORMAT_REAR16                         0x1208
+#define AL_FORMAT_REAR32                         0x1209
+#define AL_FORMAT_51CHN8                         0x120A
+#define AL_FORMAT_51CHN16                        0x120B
+#define AL_FORMAT_51CHN32                        0x120C
+#define AL_FORMAT_61CHN8                         0x120D
+#define AL_FORMAT_61CHN16                        0x120E
+#define AL_FORMAT_61CHN32                        0x120F
+#define AL_FORMAT_71CHN8                         0x1210
+#define AL_FORMAT_71CHN16                        0x1211
+#define AL_FORMAT_71CHN32                        0x1212
+#endif
+
+#ifndef AL_EXT_IMA4
+#define AL_EXT_IMA4 1
+#define AL_FORMAT_MONO_IMA4                      0x1300
+#define AL_FORMAT_STEREO_IMA4                    0x1301
+#endif
+
+#ifndef AL_EXT_buffer_sub_data
+#define AL_EXT_buffer_sub_data 1
+#define AL_BYTE_RW_OFFSETS_EXT                   0x1031
+#define AL_SAMPLE_RW_OFFSETS_EXT                 0x1032
+#define AL_SEC_RW_OFFSETS_EXT                    0x1033
+typedef ALvoid (AL_APIENTRY*PFNALBUFFERSUBDATAEXTPROC)(ALuint,ALenum,const ALvoid*,ALsizei,ALsizei);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

openalrc.sample

@@ -1,50 +0,0 @@
-# OpenAL config file. Options that are not under a block or are under the
-# [general] block are for general, non-backend-specific options. Blocks may
-# appear multiple times, and duplicated options will take the last value
-# specified. The system-wide settings can be put in /etc/openal/config and
-# user-specific override settings in ~/.openalrc
-
-# Option and block names are case-insenstive. The supplied values are only
-# hints and may not be honored (though generally it'll try to get as close as
-# possible). These are the current available settings:
-
-format = AL_FORMAT_STEREO16  # Sets the output format. Can be one of:
-                             # AL_FORMAT_MONO8    (8-bit mono)
-                             # AL_FORMAT_STEREO8  (8-bit stereo)
-                             # AL_FORMAT_QUAD8    (8-bit 4-channel)
-                             # AL_FORMAT_MONO16   (16-bit mono)
-                             # AL_FORMAT_STEREO16 (16-bit stereo)
-                             # AL_FORMAT_QUAD16   (16-bit 4-channel)
-                             # Default is AL_FORMAT_STEREO16
-
-frequency = 44100  # Sets the output frequency. Default is 44100
-
-refresh = 0  # Sets the number of frames-per-update. Default is calculated as
-             # 8192*frequency/22050. Note that the actual granularity may or
-             # may not be less than this.
-
-drivers =  # Sets the backend driver list order, comma-seperated. Unknown
-           # backends and duplicated names are ignored, and unlisted backends
-           # won't be considered for use. An empty list means the default.
-           # Default is:
-           # alsa,oss,dsound,winmm
-
-[alsa]  # ALSA backend stuff
-device = default  # Sets the device name for the default playback device.
-                  # Default is default
-
-periods = 4  # Sets the number of update buffers. Default is 4
-
-capture = default  # Sets the device name for the default capture device.
-                   # Default is default
-
-[oss]  # OSS backend stuff
-device = /dev/dsp  # Sets the device name for OSS output. Default is /dev/dsp
-
-periods = 4  # Sets the number of update buffers. Default is 4
-
-[dsound]  # DirectSound backend stuff
-          # Nothing yet...
-
-[winmm]  # Windows Multimedia backend stuff
-         # Nothing yet...