[FFmpeg-trac] #7365(avcodec:new): H.264 decoding regression skipping first NAL

[FFmpeg]

#7365: H.264 decoding regression skipping first NAL
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 https://github.com/HandBrake/HandBrake/issues/1325
 A handbrake user encoded a h264 file that cannot be decoded correctly with
 current FFmpeg, the first 9 seconds are skipped.
 {{{
 $ ffmpeg -i Pch\ Veronika\ Trailer\ fullhd.mp4
 ffmpeg version N-91626-gf631c32 Copyright (c) 2000-2018 the FFmpeg
 developers
   built with gcc 6.4.0 (GCC)
   configuration: --enable-gpl
   libavutil      56. 19.100 / 56. 19.100
   libavcodec     58. 23.100 / 58. 23.100
   libavformat    58. 17.101 / 58. 17.101
   libavdevice    58.  4.101 / 58.  4.101
   libavfilter     7. 26.100 /  7. 26.100
   libswscale      5.  2.100 /  5.  2.100
   libswresample   3.  2.100 /  3.  2.100
   libpostproc    55.  2.100 / 55.  2.100
 [h264 @ 0x3599700] Invalid NAL unit 0, skipping.
 [h264 @ 0x3599700] Invalid NAL unit size (1573357722 > 55537).
 [h264 @ 0x3599700] Error splitting the input into NAL units.
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Pch Veronika Trailer fullhd.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     creation_time   : 2018-08-17T19:57:30.000000Z
     encoder         : HandBrake 20180816222603-4b7a960-master 2018081701
   Duration: 00:00:11.14, start: 0.000000, bitrate: 6741 kb/s
     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
 1920x1080 [SAR 1:1 DAR 16:9], 6413 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
 (default)
     Metadata:
       creation_time   : 2018-08-17T19:57:30.000000Z
       handler_name    : VideoHandler
     Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, fltp, 167 kb/s (default)
     Metadata:
       creation_time   : 2018-08-17T19:57:30.000000Z
       handler_name    : Stereo
     Stream #0:2(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
 stereo, fltp, 160 kb/s
     Metadata:
       creation_time   : 2018-08-17T19:57:30.000000Z
       handler_name    : Stereo
 At least one output file must be specified
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/7365>
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