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Add click removal for wet sends

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This commit is contained in:
Chris Robinson
2010-08-15 14:52:12 -07:00
parent 2915d9dbd9
commit 00525274a0
3 changed files with 52 additions and 7 deletions
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Alc/mixer.c
+48 -7
View File
@@ -87,11 +87,13 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
float (*DryBuffer)[OUTPUTCHANNELS], ALuint SamplesToDo)
{
static float DummyBuffer[BUFFERSIZE];
static ALfloat DummyClickRemoval[OUTPUTCHANNELS];
ALfloat *WetBuffer[MAX_SENDS];
ALfloat DrySend[OUTPUTCHANNELS];
ALfloat dryGainDiff[OUTPUTCHANNELS];
ALfloat wetGainDiff[MAX_SENDS];
ALboolean UpdateClick;
ALfloat *WetClickRemoval[MAX_SENDS];
ALfloat *ClickRemoval;
ALuint i, j, out;
ALfloat value, outsamp;
@@ -150,6 +152,9 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
WetBuffer[i] = (ALSource->Send[i].Slot ?
ALSource->Send[i].Slot->WetBuffer :
DummyBuffer);
WetClickRemoval[i] = (ALSource->Send[i].Slot ?
ALSource->Send[i].Slot->ClickRemoval :
DummyClickRemoval);
}
/* Get current buffer queue item */
@@ -234,6 +239,8 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
#define DO_MIX(resampler) do { \
if(j == 0 && UpdateClick) \
{ \
const ALboolean FirstStart = ALSource->FirstStart; \
\
value = (resampler)(Data[DataPosInt], Data[DataPosInt+1], \
DataPosFrac); \
outsamp = lpFilter4PC(DryFilter, 0, value); \
@@ -245,7 +252,7 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
ClickRemoval[BACK_RIGHT] += outsamp*dryGainDiff[BACK_RIGHT]; \
ClickRemoval[FRONT_CENTER] += outsamp*dryGainDiff[FRONT_CENTER]; \
ClickRemoval[BACK_CENTER] += outsamp*dryGainDiff[BACK_CENTER]; \
if(ALSource->FirstStart) \
if(FirstStart) \
{ \
ClickRemoval[FRONT_LEFT] += -outsamp*DrySend[FRONT_LEFT]; \
ClickRemoval[FRONT_RIGHT] += -outsamp*DrySend[FRONT_RIGHT]; \
@@ -255,6 +262,14 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
ClickRemoval[BACK_RIGHT] += -outsamp*DrySend[BACK_RIGHT]; \
ClickRemoval[FRONT_CENTER] += -outsamp*DrySend[FRONT_CENTER]; \
ClickRemoval[BACK_CENTER] += -outsamp*DrySend[BACK_CENTER]; \
} \
\
for(out = 0;out < MAX_SENDS;out++) \
{ \
outsamp = lpFilter2PC(WetFilter[out], 0, value); \
WetClickRemoval[out][0] += outsamp*wetGainDiff[BACK_CENTER]; \
if(FirstStart) \
WetClickRemoval[out][0] += -outsamp*WetSend[out]; \
} \
} \
while(BufferSize--) \
@@ -312,8 +327,10 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
};
#define DO_MIX(resampler) do { \
if(j == 0 && ALSource->FirstStart) \
const ALfloat scaler = 1.0f/Channels; \
if(j == 0 && UpdateClick) \
{ \
const ALboolean FirstStart = ALSource->FirstStart; \
for(i = 0;i < Channels;i++) \
{ \
value = (resampler)(Data[DataPosInt*Channels + i], \
@@ -324,15 +341,22 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
ClickRemoval[chans[i]] += outsamp*dryGainDiff[chans[i]]; \
ClickRemoval[chans2[i*2+0]] += outsamp*dryGainDiff[chans2[i*2+0]];\
ClickRemoval[chans2[i*2+1]] += outsamp*dryGainDiff[chans2[i*2+1]];\
if(ALSource->FirstStart) \
if(FirstStart) \
{ \
ClickRemoval[chans[i]] += -outsamp*DrySend[chans[i]]; \
ClickRemoval[chans2[i*2+0]] += -outsamp*DrySend[chans2[i*2+0]];\
ClickRemoval[chans2[i*2+1]] += -outsamp*DrySend[chans2[i*2+1]];\
} \
\
for(out = 0;out < MAX_SENDS;out++) \
{ \
outsamp = lpFilter1PC(WetFilter[out], chans[out], value) * scaler;\
WetClickRemoval[out][0] += outsamp*wetGainDiff[out]; \
if(FirstStart) \
WetClickRemoval[out][0] += -outsamp*WetSend[out]; \
} \
} \
} \
const ALfloat scaler = 1.0f/Channels; \
while(BufferSize--) \
{ \
for(i = 0;i < Channels;i++) \
@@ -382,8 +406,10 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
};
#define DO_MIX(resampler) do { \
if(j == 0 && ALSource->FirstStart) \
const ALfloat scaler = 1.0f/Channels; \
if(j == 0 && UpdateClick) \
{ \
const ALboolean FirstStart = ALSource->FirstStart; \
for(i = 0;i < Channels;i++) \
{ \
value = (resampler)(Data[DataPosInt*Channels + i], \
@@ -392,11 +418,18 @@ static void MixSource(ALsource *ALSource, ALCcontext *ALContext,
\
outsamp = lpFilter2PC(DryFilter, chans[i]*2, value); \
ClickRemoval[chans[i]] += outsamp*dryGainDiff[chans[i]]; \
if(ALSource->FirstStart) \
if(FirstStart) \
ClickRemoval[chans[i]] += -outsamp*DrySend[chans[i]]; \
\
for(out = 0;out < MAX_SENDS;out++) \
{ \
outsamp = lpFilter1PC(WetFilter[out], chans[out], value) * scaler;\
WetClickRemoval[out][0] += outsamp*wetGainDiff[out]; \
if(FirstStart) \
WetClickRemoval[out][0] += -outsamp*WetSend[out]; \
} \
} \
} \
const ALfloat scaler = 1.0f/Channels; \
while(BufferSize--) \
{ \
for(i = 0;i < Channels;i++) \
@@ -609,6 +642,14 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
for(e = 0;e < ALContext->EffectSlotMap.size;e++)
{
ALEffectSlot = ALContext->EffectSlotMap.array[e].value;
ClickRemoval = ALEffectSlot->ClickRemoval;
for(i = 0;i < SamplesToDo;i++)
{
ClickRemoval[0] -= ClickRemoval[0] / 256.0f;
ALEffectSlot->WetBuffer[i] += ClickRemoval[0];
}
ALEffect_Process(ALEffectSlot->EffectState, ALEffectSlot, SamplesToDo, ALEffectSlot->WetBuffer, DryBuffer);
for(i = 0;i < SamplesToDo;i++)
OpenAL32/Include/alAuxEffectSlot.h
+2
View File
@@ -22,6 +22,8 @@ typedef struct ALeffectslot
ALfloat WetBuffer[BUFFERSIZE];
ALfloat ClickRemoval[1];
ALuint refcount;
// Index to itself
OpenAL32/alAuxEffectSlot.c
+2
View File
@@ -88,6 +88,8 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
slot->AuxSendAuto = AL_TRUE;
for(j = 0;j < BUFFERSIZE;j++)
slot->WetBuffer[j] = 0.0f;
for(j = 0;j < 1;j++)
slot->ClickRemoval[j] = 0.0f;
slot->refcount = 0;
}
}