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Review issue and added some comments

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This commit is contained in:
Ray 2017-05-10 19:34:57 +02:00
parent 0880be638e
commit 16842233c9
1 changed files with 16 additions and 10 deletions
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26
src/audio.c
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@ -801,20 +801,26 @@ void ResumeMusicStream(Music music)
}
// Stop music playing (close stream)
// TODO: To clear a buffer, make sure they have been already processed!
void StopMusicStream(Music music)
{
alSourceStop(music->stream.source);
/*
// Clear stream buffers
// WARNING: Queued buffers must have been processed before unqueueing and reloaded with data!!!
void *pcm = calloc(AUDIO_BUFFER_SIZE*music->stream.sampleSize/8*music->stream.channels, 1);
for (int i = 0; i < MAX_STREAM_BUFFERS; i++)
{
UpdateAudioStream(music->stream, pcm, AUDIO_BUFFER_SIZE);
//alBufferData(music->stream.buffers[i], music->stream.format, pcm, AUDIO_BUFFER_SIZE*music->stream.sampleSize/8*music->stream.channels, music->stream.sampleRate);
//UpdateAudioStream(music->stream, pcm, AUDIO_BUFFER_SIZE); // Update one buffer at a time
alBufferData(music->stream.buffers[i], music->stream.format, pcm, AUDIO_BUFFER_SIZE*music->stream.sampleSize/8*music->stream.channels, music->stream.sampleRate);
}
free(pcm);
*/
// Restart music context
switch (music->ctxType)
@ -896,9 +902,9 @@ void UpdateMusicStream(Music music)
break;
}
}
// This error is registered when UpdateAudioStream() fails
if (alGetError() == AL_INVALID_VALUE) TraceLog(WARNING, "OpenAL: Error buffering data...");
// Free allocated pcm data
free(pcm);
// Reset audio stream for looping
if (!active)
@ -918,8 +924,6 @@ void UpdateMusicStream(Music music)
// just make sure to play again on window restore
if (state != AL_PLAYING) PlayMusicStream(music);
}
free(pcm);
}
}
@ -1066,7 +1070,8 @@ void CloseAudioStream(AudioStream stream)
}
// Update audio stream buffers with data
// NOTE: Only updates one buffer per call
// NOTE 1: Only updates one buffer of the stream source: unqueue -> update -> queue
// NOTE 2: To unqueue a buffer it needs to be processed: IsAudioBufferProcessed()
void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount)
{
ALuint buffer = 0;
@ -1075,9 +1080,10 @@ void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount)
// Check if any buffer was available for unqueue
if (alGetError() != AL_INVALID_VALUE)
{
alBufferData(buffer, stream.format, data, samplesCount*stream.channels*stream.sampleSize/8, stream.sampleRate);
alBufferData(buffer, stream.format, data, samplesCount*stream.sampleSize/8*stream.channels, stream.sampleRate);
alSourceQueueBuffers(stream.source, 1, &buffer);
}
else TraceLog(WARNING, "[AUD ID %i] Audio buffer not available for unqueuing", stream.source);
}
// Check if any audio stream buffers requires refill