[FFmpeg-trac] #3131(avcodec:new): h264 mp4 decoding regression

FFmpeg trac at avcodec.org
Wed Nov 13 12:13:05 CET 2013


#3131: h264 mp4 decoding regression
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avcodec
                Version:  git-       |               Keywords:  h264
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 A user uploaded a sample that shows visual corruption since 7973a075
 {{{
 $ ffmpeg -i h264\ broken\ FFmpeg.mp4 -an -qscale 2 out.avi
 ffmpeg version N-58049-gf04fe23 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Nov 13 2013 12:11:43 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 52.100 / 52. 52.100
   libavcodec     55. 41.101 / 55. 41.101
   libavformat    55. 21.100 / 55. 21.100
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 91.100 /  3. 91.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'h264 broken FFmpeg.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 1
     compatible_brands: isom
     creation_time   : 2013-11-11 08:48:36
   Duration: 00:00:06.92, start: 0.000000, bitrate: 661 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 720x480 [SAR 32:27 DAR 16:9], 595 kb/s, SAR 853:720 DAR 853:480, 23.98
 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
     Metadata:
       creation_time   : 2012-07-14 02:42:49
       handler_name    : Imported with GPAC 0.4.6-DEV (internal rev. 5)
     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo,
 fltp, 62 kb/s (default)
     Metadata:
       creation_time   : 2012-07-14 02:42:58
       handler_name    : GPAC ISO Audio Handler
 Please use -q:a or -q:v, -qscale is ambiguous
 [mpeg4 @ 0x26fda60] Invalid pixel aspect ratio 853/720, limit is 255/255
 reducing
 Output #0, avi, to 'out.avi':
   Metadata:
     major_brand     : isom
     minor_version   : 1
     compatible_brands: isom
     ISFT            : Lavf55.21.100
     Stream #0:0(und): Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x480
 [SAR 186:157 DAR 279:157], q=2-31, 200 kb/s, SAR 853:720 DAR 853:480,
 23.98 tbn, 23.98 tbc (default)
     Metadata:
       creation_time   : 2012-07-14 02:42:49
       handler_name    : Imported with GPAC 0.4.6-DEV (internal rev. 5)
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 -> mpeg4)
 Press [q] to stop, [?] for help
 [h264 @ 0x27890e0] Invalid mix of idr and non-idr slices
 Error while decoding stream #0:0: Invalid data found when processing input
 frame=  165 fps=0.0 q=2.0 Lsize=    2816kB time=00:00:06.96
 bitrate=3312.4kbits/s
 video:2807kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 0.343029%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3131>
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