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bool return for failed update

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This commit is contained in:
Joshua Reisenauer
2016-05-01 23:07:02 -07:00
parent 289a53221d
commit 790bc72806
3 changed files with 9 additions and 4 deletions
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9
src/audio.c
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@@ -256,6 +256,7 @@ void CloseAudioContext(AudioContext ctx)
queued--;
}
//delete source and buffers
alDeleteSources(1, &context->alSource);
alDeleteBuffers(2, context->alBuffer);
mixChannelsActive_g[context->mixChannel] = NULL;
@@ -266,7 +267,8 @@ void CloseAudioContext(AudioContext ctx)
// Pushes more audio data into context mix channel, if none are ever pushed then zeros are fed in
// Call "UpdateAudioContext(ctx, NULL, 0)" every game tick if you want to pause the audio
void UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength)
// Returns true if data was pushed onto queue, otherwise if queue is full then no data is added and false is returned
bool UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength)
{
AudioContext_t *context = (AudioContext_t*)ctx;
if (context && mixChannelsActive_g[context->mixChannel] == context)
@@ -274,7 +276,9 @@ void UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength
ALint processed = 0;
ALuint buffer = 0;
alGetSourcei(context->alSource, AL_BUFFERS_PROCESSED, &processed); // Get the number of already processed buffers (if any)
if(!processed) return false;//nothing to process, queue is still full
if (!data || !dataLength)// play silence
while (processed > 0)
{
@@ -283,6 +287,7 @@ void UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength
alSourceQueueBuffers(context->alSource, 1, &buffer);
processed--;
}
return true;
}
}

2
src/audio.h
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@@ -88,7 +88,7 @@ bool IsAudioDeviceReady(void); // True if call
// all samples are floating point stereo by default
AudioContext InitAudioContext(unsigned short sampleRate, unsigned char mixChannel);
void CloseAudioContext(AudioContext ctx); // Frees audio context
void UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength); // Pushes more audio data into context mix channel, if NULL is passed to data then zeros are played
bool UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength); // Pushes more audio data into context mix channel, if NULL is passed to data then zeros are played
Sound LoadSound(char *fileName); // Load sound to memory
Sound LoadSoundFromWave(Wave wave); // Load sound to memory from wave data

2
src/raylib.h
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@@ -874,7 +874,7 @@ bool IsAudioDeviceReady(void); // True if call
// all samples are floating point stereo by default
AudioContext InitAudioContext(unsigned short sampleRate, unsigned char mixChannel);
void CloseAudioContext(AudioContext ctx); // Frees audio context
void UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength); // Pushes more audio data into context mix channel, if NULL is passed to data then zeros are played
bool UpdateAudioContext(AudioContext ctx, float *data, unsigned short dataLength); // Pushes more audio data into context mix channel, if NULL is passed to data then zeros are played
Sound LoadSound(char *fileName); // Load sound to memory
Sound LoadSoundFromWave(Wave wave); // Load sound to memory from wave data