private void SetAudioTrack(AudioTrack audioTrack)
{
UnsetAudioTrack();
this.audioTrack = audioTrack;
audioStream = AudioStreamFactory.FromAudioTrackForGUI(audioTrack);
audioStream.WaveformChanged += OnAudioStreamWaveformChanged;
audioTrack.LengthChanged += OnAudioTrackLengthChanged;
audioTrack.VolumeChanged += OnAudioTrackVolumeChanged;
audioTrack.BalanceChanged += OnAudioTrackBalanceChanged;
}
public static VisualizingStream FromAudioTrackForGUI(AudioTrack audioTrack)
{
VisualizingStream visualizingStream =
new VisualizingStream(audioTrack.CreateAudioStream(),
CreatePeakStore(audioTrack, audioTrack.TimeWarps.Count == 0));
// TODO if timewarps are added but total length stays the same, the peakstore still has to be refreshed
audioTrack.LengthChanged += delegate(object sender, ValueEventArgs <TimeSpan> e) {
visualizingStream.PeakStore = CreatePeakStore(audioTrack, false);
};
return(visualizingStream);
}
private void UnsetAudioTrack()
{
if (audioTrack != null)
{
audioTrack.BalanceChanged -= OnAudioTrackBalanceChanged;
audioTrack.VolumeChanged -= OnAudioTrackVolumeChanged;
audioTrack.LengthChanged -= OnAudioTrackLengthChanged;
audioStream.WaveformChanged -= OnAudioStreamWaveformChanged;
audioStream.Close();
audioStream = null;
audioTrack = null;
}
}
private void SetAudioTrack(AudioTrack audioTrack)
{
UnsetAudioTrack();
// init renderers
waveformBitmapRenderers = new WaveformBitmapRenderer[audioTrack.SourceProperties.Channels];
for (int i = 0; i < waveformBitmapRenderers.Length; i++)
{
waveformBitmapRenderers[i] = new WaveformBitmapRenderer();
}
waveformGeometryRenderers = new WaveformGeometryRenderer[audioTrack.SourceProperties.Channels];
for (int i = 0; i < waveformGeometryRenderers.Length; i++)
{
waveformGeometryRenderers[i] = new WaveformGeometryRenderer();
}
this.audioTrack = audioTrack;
audioStream = AudioStreamFactory.FromAudioTrackForGUI(audioTrack);
audioStream.WaveformChanged += OnAudioStreamWaveformChanged;
audioTrack.LengthChanged += OnAudioTrackLengthChanged;
audioTrack.VolumeChanged += OnAudioTrackVolumeChanged;
audioTrack.BalanceChanged += OnAudioTrackBalanceChanged;
}
