[FFmpeg-trac] #3652(avcodec:open): FFPlay cannot play H264 file

[FFmpeg]

#3652: FFPlay cannot play H264 file
-------------------------------------+-------------------------------------
             Reporter:  Krakean      |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  h264         |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:   => h264 regression
 * status:  new => open
 * reproduced:  0 => 1


Comment:

 For future tickets: Please always include a failing ffmpeg command line
 together with the complete, uncut console output. Only report ffplay
 issues if they are not reproducible with ffmpeg.

 Regression since 65c2fe71 - related to ticket #2738.

 {{{
 $ ffmpeg -i no_recovery_ffmpeg_cut.h264 -qscale 2 out.avi
 ffmpeg version N-63346-g2491579 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on May 20 2014 20:00:07 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 86.100 / 52. 86.100
   libavcodec     55. 63.100 / 55. 63.100
   libavformat    55. 39.100 / 55. 39.100
   libavdevice    55. 13.101 / 55. 13.101
   libavfilter     4.  5.100 /  4.  5.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, h264, from 'no_recovery_ffmpeg_cut.h264':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: h264 (High), yuv420p(tv, bt709), 1920x1080 [SAR
 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1200k tbn, 47.95 tbc
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.39.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 200 kb/s, 23.98 fps, 23.98 tbn, 23.98 tbc
     Metadata:
       encoder         : Lavc55.63.100 mpeg4
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> mpeg4)
 Press [q] to stop, [?] for help
 [h264 @ 0x42d4ac0] mmco: unref short failure
     Last message repeated 1 times
 [h264 @ 0x45b6a40] error while decoding MB 49 63, bytestream -6
 [h264 @ 0x45b6a40] concealing 600 DC, 600 AC, 600 MV errors in P frame
 frame=    2 fps=0.0 q=2.0 Lsize=     156kB time=00:00:02.16 bitrate=
 590.2kbits/s
 video:149kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 4.596356%
 }}}
 There should be at least 27 frames in the output file (older versions of
 FFmpeg encoded 53 frames).

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3652#comment:2>
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