[FFmpeg-trac] #8105(avformat:open): ffmpeg doesn't recognize MP4 files with MPEG-2 video created by MP4Box anymore

FFmpeg trac at avcodec.org
Thu Aug 29 21:28:39 EEST 2019


#8105: ffmpeg doesn't recognize MP4 files with MPEG-2 video created by MP4Box
anymore
-------------------------------------+------------------------------------
             Reporter:  ptalarbvorm  |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mp4          |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+------------------------------------
Changes (by jamrial):

 * keywords:   => mp4
 * priority:  normal => important
 * version:  4.1.4 => git-master
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 Looks like a regression since abf669479c0098ab5eb184a167e57a70aabb942b.

 The esds box reports an object type 0x65, which is for mpeg-2 4:2:2, but
 the stream is 4:2:0, so it's likely that gpac muxed it wrong.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8105#comment:1>
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