/// <summary>
/// Create concrete Visualisation mode.
/// </summary>
/// <param name="soundBuffer">Sound buffer reference.</param>
/// <param name="visualisationMode">Visualisation mode to be created.</param>
/// <param name="downSampleCoef">Coefficient to downsample audio when visualisating.</param>
/// <returns></returns>
private static IVisualiserMode CreateMode(SoundBuffer soundBuffer, VisualisationModes visualisationMode, int downSampleCoef)
{
switch (visualisationMode)
{
case VisualisationModes.Amplitude:
return(new AmplitudeMode(soundBuffer));
case VisualisationModes.Frequencies:
return(new FrequenciesMode(soundBuffer, downSampleCoef));
case VisualisationModes.Spectrogram:
return(new Spectrogram(soundBuffer, downSampleCoef));
default:
throw new ArgumentException($"Mode {visualisationMode.ToString()} is not supported");
}
}
public Visualizer(IAudioFormat audio, VisualisationModes vm, int downSampleCoef = 1)
{
soundBuffer = new SoundBuffer(audio.Data, audio.Channels, audio.SampleRate);
visualisation = CreateMode(soundBuffer, vm, downSampleCoef);
}
public Visualizer(short[] data, uint channelCount, uint sampleRate, VisualisationModes vm, int downSampleCoef = 1)
{
soundBuffer = new SoundBuffer(data, channelCount, sampleRate);
visualisation = CreateMode(soundBuffer, vm, downSampleCoef);
}