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); } } this.currentSoundTouchProfile = soundTouchProfile; soundTouch.SetUseAntiAliasing(soundTouchProfile.UseAntiAliasing); soundTouch.SetUseQuickSeek(soundTouchProfile.UseQuickSeek); }
public VarispeedSampleProvider(ISampleProvider sourceProvider, int readDurationMilliseconds, SoundTouchProfile soundTouchProfile) { soundTouch = new VarispeedDemo.SoundTouch.SoundTouch(); // explore what the default values are before we change them: //Debug.WriteLine(String.Format("SoundTouch Version {0}", soundTouch.VersionString)); //Debug.WriteLine("Use QuickSeek: {0}", soundTouch.GetUseQuickSeek()); //Debug.WriteLine("Use AntiAliasing: {0}", soundTouch.GetUseAntiAliasing()); SetSoundTouchProfile(soundTouchProfile); this.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 }