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Re-implement collision sound pitch shifting

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Ken Cooke 2018-01-19 16:03:59 -08:00
parent a421ba7649
commit e2e4e7f423
1 changed files with 2 additions and 20 deletions
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22
libraries/audio/src/AudioInjector.cpp
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@ -427,28 +427,11 @@ AudioInjectorPointer AudioInjector::playSound(SharedSoundPointer sound, const fl
options.stereo = sound->isStereo(); options.stereo = sound->isStereo();
options.position = position; options.position = position;
options.volume = volume; options.volume = volume;
options.pitch = 1.0f / stretchFactor;
QByteArray samples = sound->getByteArray(); QByteArray samples = sound->getByteArray();
if (stretchFactor == 1.0f) {
return playSoundAndDelete(samples, options);
}
const int standardRate = AudioConstants::SAMPLE_RATE; return playSoundAndDelete(samples, options);
const int resampledRate = standardRate * stretchFactor;
const int channelCount = sound->isStereo() ? 2 : 1;
AudioSRC resampler(standardRate, resampledRate, channelCount);
const int nInputFrames = samples.size() / (channelCount * sizeof(int16_t));
const int maxOutputFrames = resampler.getMaxOutput(nInputFrames);
QByteArray resampled(maxOutputFrames * channelCount * sizeof(int16_t), '\0');
int nOutputFrames = resampler.render(reinterpret_cast<const int16_t*>(samples.data()),
reinterpret_cast<int16_t*>(resampled.data()),
nInputFrames);
Q_UNUSED(nOutputFrames);
return playSoundAndDelete(resampled, options);
} }
AudioInjectorPointer AudioInjector::playSoundAndDelete(const QByteArray& buffer, const AudioInjectorOptions options) { AudioInjectorPointer AudioInjector::playSoundAndDelete(const QByteArray& buffer, const AudioInjectorOptions options) {
@ -461,7 +444,6 @@ AudioInjectorPointer AudioInjector::playSoundAndDelete(const QByteArray& buffer,
return sound; return sound;
} }
AudioInjectorPointer AudioInjector::playSound(const QByteArray& buffer, const AudioInjectorOptions options) { AudioInjectorPointer AudioInjector::playSound(const QByteArray& buffer, const AudioInjectorOptions options) {
if (options.pitch == 1.0f) { if (options.pitch == 1.0f) {