static WaveformPreview CreateWaveformPreview(AudioClip audioClip, Rect quantizedRect)
{
WaveformPreview preview = WaveformPreviewFactory.Create((int)quantizedRect.width, audioClip);
Color waveColour = GammaCorrect(DirectorStyles.Instance.customSkin.colorAudioWaveform);
Color transparent = waveColour;
transparent.a = 0;
preview.backgroundColor = transparent;
preview.waveColor = waveColour;
preview.SetChannelMode(WaveformPreview.ChannelMode.MonoSum);
preview.updated += () => TimelineEditor.Refresh(RefreshReason.WindowNeedsRedraw);
return(preview);
}