I investigated the integrity of some *.avi video files with a ffmpeg command
like
ffmpeg -loglevel warning -i <videofile> -f null -
Most of them are correct but some of them show various errors:
1.) [ac3 @ 0000000002a80800] frame sync error
Error while decoding stream #0:1: Invalid data found when processing input
[ac3 @ 0000000002a80800] incomplete frame
2.) [mp3 @ 00000000005654c0] Header missing
[mp3 @ 0000000002688960] Header missing
3.) [avi @ 00000000004927c0] Format avi detected only with low score of 1,
misdetection possible!
4.) [h264 @ 000000000054c700] mmco: unref short failure
6.) [mpeg4 @ 0000000000640400] marker does not match f_code
7.) [null @ 00000000027a2760] Encoder did not produce proper pts, making some
up.
8.) [null @ 00000000004bd6a0] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 12 >= 12
I guess the first two errors are audio-track related, the next three
video-related but what are the two last about about?
Which of them can be repaired by ffmpeg WITHOUT full re-encoding?
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