Dima353/openal-soft
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Make the tonegen sampling rate match the device rate by default

Browse Source
This commit is contained in:
Chris Robinson
2015-10-14 01:54:50 -07:00
parent c18e23477c
commit 9012bcf327
1 changed files with 14 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/altonegen.c
+14 -18
View File
@@ -113,8 +113,9 @@ int main(int argc, char *argv[])
ALuint source, buffer;
ALint last_pos, num_loops;
ALint max_loops = 4;
ALint srate = 44100;
ALint srate = -1;
ALint tone_freq = 1000;
ALCint dev_rate;
ALenum state;
int i;
@@ -132,7 +133,7 @@ int main(int argc, char *argv[])
" --waveform/-w <type> Waveform type: sine (default), square, sawtooth,\n"
" triangle\n"
" --freq/-f <hz> Tone frequency (default 1000 hz)\n"
" --srate/-s <sample rate> Sampling rate (default 44100 hz)\n",
" --srate/-s <sample rate> Sampling rate (default output rate)\n",
argv[0]
);
return 1;
@@ -187,6 +188,14 @@ int main(int argc, char *argv[])
return 1;
}
{
ALCdevice *device = alcGetContextsDevice(alcGetCurrentContext());
alcGetIntegerv(device, ALC_FREQUENCY, 1, &dev_rate);
assert(alcGetError(device)==ALC_NO_ERROR && "Failed to get device sample rate");
}
if(srate < 0)
srate = dev_rate;
/* Load the sound into a buffer. */
buffer = CreateWave(wavetype, tone_freq, srate);
if(!buffer)
@@ -195,22 +204,9 @@ int main(int argc, char *argv[])
return 1;
}
{
ALCdevice *device;
ALCint dev_rate;
ALint buf_rate;
device = alcGetContextsDevice(alcGetCurrentContext());
alcGetIntegerv(device, ALC_FREQUENCY, 1, &dev_rate);
assert(alcGetError(device)==ALC_NO_ERROR && "Failed to get device sample rate");
alGetBufferi(buffer, AL_FREQUENCY, &buf_rate);
assert(alGetError()==AL_NO_ERROR && "Failed to get buffer sample rate");
printf("Playing %dhz tone with %dhz sample rate and %dhz output, for %d second%s...\n",
tone_freq, buf_rate, dev_rate, max_loops+1, max_loops?"s":"");
fflush(stdout);
}
printf("Playing %dhz tone with %dhz sample rate and %dhz output, for %d second%s...\n",
tone_freq, srate, dev_rate, max_loops+1, max_loops?"s":"");
fflush(stdout);
/* Create the source to play the sound with. */
source = 0;