[FFmpeg-trac] #6056(undetermined:closed): ffmpeg/ffprobe return "unspecified pixel format" on mp4s that html5 video plays OK

FFmpeg trac at avcodec.org
Tue Jan 3 02:12:57 EET 2017


#6056: ffmpeg/ffprobe return "unspecified  pixel format" on mp4s that html5 video
plays OK
-------------------------------------+-------------------------------------
             Reporter:  rasa         |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |  worksforme
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  h264 regression =>
 * resolution:   => worksforme
 * status:  new => closed
 * component:  ffmpeg => undetermined


Comment:

 {{{
 $ md5sum 1531_480.mp4
 5537dd250857e6cccbecb7138af81f48  1531_480.mp4
 }}}
 {{{
 $ ffmpeg -i 1531_480.mp4
 ffmpeg version N-82966-g6993bb4 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration:
   libavutil      55. 43.100 / 55. 43.100
   libavcodec     57. 70.100 / 57. 70.100
   libavformat    57. 61.100 / 57. 61.100
   libavdevice    57.  2.100 / 57.  2.100
   libavfilter     6. 68.100 /  6. 68.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1531_480.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     creation_time   : 2016-12-20T00:28:03.000000Z
   Duration: 00:02:23.83, start: 0.000000, bitrate: 525 kb/s
     Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661),
 yuv420p(tv), 640x480 [SAR 1024:1024 DAR 4:3], 491 kb/s, 29.90 fps, 29.97
 tbr, 30k tbn, 60 tbc (default)
     Metadata:
       creation_time   : 2016-12-20T00:28:03.000000Z
       handler_name    : Mainconcept MP4 Video Media Handler
       encoder         : AVC Coding
     Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono,
 fltp, 29 kb/s (default)
     Metadata:
       creation_time   : 2016-12-20T00:28:03.000000Z
       handler_name    : Mainconcept MP4 Sound Media Handler
 At least one output file must be specified
 }}}
 Afaict, either your compiler or your source is corrupt:
 {{{
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x29aa280] type: 64737473 'stsd' parent:'stbl'
 sz: 175 8 48431
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x29aa280] size=159 4CC= avc1/0x31637661
 codec_type=0
 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x29aa280] type: 43637661 'avcC' parent:'stsd'
 sz: 73 8 73
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6056#comment:1>
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