public void SetActiveVideo(VidkaClipVideoAbstract active, VidkaProj proj)
{
if (CurrentVideoClip != active ||
CurrentAudioClip != null)
{
stateChanged = true;
originalTimelineSelectionChanged = true;
SetOriginalTimelinePlaybackMode(false);
}
CurrentVideoClip = ArrayOfOne_ClipsVideo[0] = active;
CurrentAudioClip = null;
resetCurrentClipUsages();
if (active != null)
CurClipAllUsagesVideo = ArrayOfOne_ClipsVideo;
UpdateCurrentClipFrameAbsPos(proj);
}