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unosquare / ffmediaelement

FFME: The Advanced WPF MediaElement (based on FFmpeg)
https://unosquare.github.io/ffmediaelement/
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Zoompan filter works not correctly. #540

Closed VrezhAleksDev closed 3 years ago

VrezhAleksDev commented 3 years ago

When applying ffmpeg zoompan filter via MediaElement.ChangeMedia, the MediaElement changes it's current frame.

For example, if the current position of the video is 10 seconds, after ChangeMedia you will be on 6 seconds (but all states are saying that you are at 10 seconds (Player.ActualPosition, Player. Position, Player.FramePosition. All parameters are close to 10))

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Version Information

Steps to Reproduce

  1. Open any video
  2. Add zoompan=z=1:x=0:y=0:d=1
  3. Call ChangeMedia

Expected Results

VrezhAleksDev commented 3 years ago

The same problem appears with ffmpeg lagfun filter during MediaElement seeking.

stale[bot] commented 3 years ago

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.