Losing the keyframe at the end of a cut in copy mode

Started by eumagga0x2a, May 31, 2017, 09:47:31 AM

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We've got a very good minimal testcase, uploaded to https://we.tl/LCouZIDAFu for the first keyframe of the segment after a cut getting lost:


  • Load ted_20170530.mkv in Avidemux
  • Set marker A to I-frame at 00:00:09.011
  • Set marker B to I-frame at 00:00:11.096
  • Delete the chunk in between
  • Save the video in copy mode
  • Play the saved video

Actual Results:
The I-frame at the end of the cut is missing, resulting in severe video artifacts.

Reference: Weiterer Fehler in Avidemux.