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Reviewed SetAudioBufferPitch() #1450

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Ray 2020-12-12 13:01:31 +01:00
parent 039503e7c2
commit 459c4754dc
2 changed files with 11 additions and 7 deletions
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12
src/raudio.c
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@ -634,16 +634,14 @@ void SetAudioBufferPitch(AudioBuffer *buffer, float pitch)
{
if (buffer != NULL)
{
float pitchMul = pitch/buffer->pitch;
// Pitching is just an adjustment of the sample rate.
// Note that this changes the duration of the sound:
// - higher pitches will make the sound faster
// - lower pitches make it slower
ma_uint32 newOutputSampleRate = (ma_uint32)((float)buffer->converter.config.sampleRateOut/pitchMul);
buffer->pitch *= (float)buffer->converter.config.sampleRateOut/newOutputSampleRate;
ma_data_converter_set_rate(&buffer->converter, buffer->converter.config.sampleRateIn, newOutputSampleRate);
ma_uint32 outputSampleRate = (ma_uint32)((float)buffer->converter.config.sampleRateOut/pitch);
ma_data_converter_set_rate(&buffer->converter, buffer->converter.config.sampleRateIn, outputSampleRate);
buffer->pitch = pitch;
}
}
@ -1477,7 +1475,7 @@ void SetMusicVolume(Music music, float volume)
// Set pitch for music
void SetMusicPitch(Music music, float pitch)
{
SetAudioStreamPitch(music.stream, pitch);
SetAudioBufferPitch(music.stream.buffer, pitch);
}
// Get music time length (in seconds)