public void SetSoundTouchProfile(SoundTouchProfile soundTouchProfile)
{
if (_currentSoundTouchProfile != null &&
_playbackRate != 1.0f &&
soundTouchProfile.UseTempo != _currentSoundTouchProfile.UseTempo)
{
if (soundTouchProfile.UseTempo)
{
_soundTouch.SetRate(1.0f);
_soundTouch.SetPitchOctaves(0f);
_soundTouch.SetTempo(_playbackRate);
}
else
{
_soundTouch.SetTempo(1.0f);
_soundTouch.SetRate(_playbackRate);
}
}
_currentSoundTouchProfile = soundTouchProfile;
_soundTouch.SetUseAntiAliasing(soundTouchProfile.UseAntiAliasing);
_soundTouch.SetUseQuickSeek(soundTouchProfile.UseQuickSeek);
}
public VarispeedProvider(ISampleProvider sourceProvider, int readDurationMilliseconds, SoundTouchProfile soundTouchProfile)
{
_soundTouch = new SoundTouch();
SetSoundTouchProfile(soundTouchProfile);
_sourceProvider = sourceProvider;
_soundTouch.SetSampleRate(WaveFormat.SampleRate);
_channelCount = WaveFormat.Channels;
_soundTouch.SetChannels(_channelCount);
_sourceReadBuffer = new float[(WaveFormat.SampleRate * _channelCount * (long)readDurationMilliseconds) / 1000];
_soundTouchReadBuffer = new float[_sourceReadBuffer.Length * 10]; // support down to 0.1 speed
}
