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Improve AudioCallback

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This commit is contained in:
RealBitdancer 2024-07-19 23:34:27 -07:00
commit 615e28fa6d
1 changed files with 53 additions and 20 deletions
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16
examples/audio/audio_stream_effects.c
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@ -24,8 +24,8 @@ static unsigned int delayWriteIndex = 0;
//------------------------------------------------------------------------------------
// Module Functions Declaration
//------------------------------------------------------------------------------------
static void AudioProcessEffectLPF(void *buffer, unsigned int frames); // Audio effect: lowpass filter
static void AudioProcessEffectDelay(void *buffer, unsigned int frames); // Audio effect: delay
static unsigned int AudioProcessEffectLPF(void *buffer, unsigned int frames, void* userData); // Audio effect: lowpass filter
static unsigned int AudioProcessEffectDelay(void *buffer, unsigned int frames, void* userData); // Audio effect: delay
//------------------------------------------------------------------------------------
// Program main entry point
@ -85,7 +85,7 @@ int main(void)
if (IsKeyPressed(KEY_F))
{
enableEffectLPF = !enableEffectLPF;
if (enableEffectLPF) AttachAudioStreamProcessor(music.stream, AudioProcessEffectLPF);
if (enableEffectLPF) AttachAudioStreamProcessor(music.stream, AudioProcessEffectLPF, NULL);
else DetachAudioStreamProcessor(music.stream, AudioProcessEffectLPF);
}
@ -93,7 +93,7 @@ int main(void)
if (IsKeyPressed(KEY_D))
{
enableEffectDelay = !enableEffectDelay;
if (enableEffectDelay) AttachAudioStreamProcessor(music.stream, AudioProcessEffectDelay);
if (enableEffectDelay) AttachAudioStreamProcessor(music.stream, AudioProcessEffectDelay, NULL);
else DetachAudioStreamProcessor(music.stream, AudioProcessEffectDelay);
}
@ -143,7 +143,7 @@ int main(void)
// Module Functions Definition
//------------------------------------------------------------------------------------
// Audio effect: lowpass filter
static void AudioProcessEffectLPF(void *buffer, unsigned int frames)
static unsigned int AudioProcessEffectLPF(void *buffer, unsigned int frames, void* userData)
{
static float low[2] = { 0.0f, 0.0f };
static const float cutoff = 70.0f / 44100.0f; // 70 Hz lowpass filter
@ -161,10 +161,12 @@ static void AudioProcessEffectLPF(void *buffer, unsigned int frames)
bufferData[i] = low[0];
bufferData[i + 1] = low[1];
}
return frames;
}
// Audio effect: delay
static void AudioProcessEffectDelay(void *buffer, unsigned int frames)
static unsigned int AudioProcessEffectDelay(void *buffer, unsigned int frames, void* userData)
{
for (unsigned int i = 0; i < frames*2; i += 2)
{
@ -180,4 +182,6 @@ static void AudioProcessEffectDelay(void *buffer, unsigned int frames)
delayBuffer[delayWriteIndex++] = ((float *)buffer)[i + 1];
if (delayWriteIndex == delayBufferSize) delayWriteIndex = 0;
}
return frames;
}