[FFmpeg-trac] #9315(avformat:new): MXF L-GOP muxed by FFmpeg had disordered frame display in Adobe Premiere

FFmpeg trac at avcodec.org
Thu Sep 5 05:30:49 EEST 2024


#9315: MXF L-GOP muxed by FFmpeg had disordered frame display in Adobe Premiere
------------------------------------+------------------------------------
             Reporter:  Alex        |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  mxf         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by syehoonkim):

 Replying to [comment:9 syehoonkim]:
 > I don't think bmxtranswrap solves this problem.
 > I ran the commend below:
 > {{{
 > bmxtranswrap -p -o "output.mxf" --clip test Clip0003.mxf
 > }}}
 > You can download the original Clip0003.mxf file by the URL below:
 > https://drive.google.com/file/d/1dN1dyxHv-
 e0c65ThgLljO2hHvluB9yOM/view?usp=drive_link
 >
 > and the output.mxf by the url below:
 >
 https://drive.google.com/file/d/1RcegM0rrGtk14T_grz7tk6rs18N6AZfd/view?usp=sharing
 >
 > The output seems ok at first, but when you import it on Premiere, it
 crashes.
 > And, if you try to play output.mxf by mpv and seek, it says the
 timestamps have problem like below:
 > {{{
 > Invalid video timestamp: 11.678333 -> 11.644966
 > Invalid video timestamp: 11.644966 -> 11.611600
 > }}}
 > or
 > {{{
 > [ffmpeg/video] h264: Missing reference picture, default is 2147483647
 > [ffmpeg/video] h264: Missing reference picture, default is 2147483647
 > [ffmpeg/video] h264: Missing reference picture, default is 2147483647
 > [ffmpeg/video] h264: Missing reference picture, default is 2147483647
 > [ffmpeg/video] h264: reference picture missing during reorder
 > }}}

 FYI, bmxtranswrap now supports AVC separate fields.
 Please see https://github.com/bbc/bmx/pull/94
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/9315#comment:12>
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