public IEnumerator UncheckFrameMarkers()
{
PlayableDirector director = EditorUtilityTest.NewSceneWithDirector();
TimelineClip clip = EditorUtilityTest.CreateTestTimelineClip(director);
StreamingImageSequencePlayableAsset sisAsset = clip.asset as StreamingImageSequencePlayableAsset;
Assert.IsNotNull(sisAsset);
TimelineClipSISData timelineClipSISData = sisAsset.GetBoundTimelineClipSISData();
timelineClipSISData.RequestFrameMarkers(true);
yield return(null);
double timePerFrame = TimelineUtility.CalculateTimePerFrame(clip);
int numImages = sisAsset.GetImageFileNames().Count;
clip.timeScale = 3.75f; //use scaling
EditorUtilityTest.ResizeSISTimelineClip(clip, (timePerFrame * numImages));
yield return(null);
int numFrames = TimelineUtility.CalculateNumFrames(clip);
Assert.AreEqual(numImages, numFrames);
//Reset: make sure that the curve is a simple straight line from 0 to 1
StreamingImageSequencePlayableAsset.ResetTimelineClipCurve(clip);
yield return(null);
sisAsset.ResetPlayableFrames();
yield return(null);
StreamingImageSequenceTrack track = clip.parentTrack as StreamingImageSequenceTrack;
Assert.IsNotNull(track);
List <FrameMarker> frameMarkers = new List <FrameMarker>();
int i = 0;
foreach (var m in track.GetMarkers())
{
FrameMarker marker = m as FrameMarker;
Assert.IsNotNull(marker);
frameMarkers.Add(marker);
int imageIndex = sisAsset.GlobalTimeToImageIndex(clip, marker.time);
Assert.AreEqual(i, imageIndex);
++i;
}
//Uncheck and see if the unchecked images became ignored
frameMarkers[4].SetFrameUsed(false);
frameMarkers[5].SetFrameUsed(false);
Assert.AreEqual(3, sisAsset.GlobalTimeToImageIndex(clip, frameMarkers[4].time));
Assert.AreEqual(3, sisAsset.GlobalTimeToImageIndex(clip, frameMarkers[5].time));
frameMarkers[7].SetFrameUsed(false);
frameMarkers[8].SetFrameUsed(false);
Assert.AreEqual(6, sisAsset.GlobalTimeToImageIndex(clip, frameMarkers[7].time));
Assert.AreEqual(6, sisAsset.GlobalTimeToImageIndex(clip, frameMarkers[8].time));
EditorUtilityTest.DestroyTestTimelineAssets(clip);
yield return(null);
}