Vidka.Core.Model.VidkaClipVideoAbstract.GetPlaybackFrameEnd C# (CSharp) Метод

        public virtual long GetPlaybackFrameEnd(long? curstomFrameOffset)
        {
            return FrameEnd - EasingRight;
        }

 private void StartPlaybackOfClip(VidkaClipVideoAbstract clip, long? frameOffsetCustom = null)
 {
     mutex.CurClipMarkerStartPos = mutex.Proj.GetVideoClipAbsFramePositionLeft(clip);
     if (frameOffsetCustom.HasValue)
         mutex.CurClipMarkerStartPos += frameOffsetCustom.Value - clip.FrameStartNoEase;
     var curAbsSec = mutex.Proj.FrameToSec(mutex.CurClipMarkerStartPos);
     var ppFrameStart = clip.GetPlaybackFrameStart(frameOffsetCustom);
     var ppFrameEnd = clip.GetPlaybackFrameEnd(frameOffsetCustom);
     var clipSecStart = mutex.Proj.FrameToSec(ppFrameStart);
     var clipSecEnd = mutex.Proj.FrameToSec(ppFrameEnd);
     mutex.CurPlayerStartPositionSec = clipSecStart;
     mutex.CurStopPositionSec = clipSecEnd;
     editor.SetCurrentVideoClip_ForceRepaint(clip);
     var doMute = (clip.HasCustomAudio || clip.IsMuted);
     //if (clip.HasCustomAudio)
     //    playerAudio.PlayAudioClip(clip.CustomAudioFilename, clip.CustomAudioOffset + clipSecStart, clip.CustomAudioOffset + clipSecEnd);
     player.PlayVideoClip(clip.FileName, clipSecStart, clipSecEnd, doMute);
     //playerAudio.PauseAll();
     playerAudio.SynchCurrentAudioClips(curAbsSec);
 }