[FFmpeg-trac] #2561(avformat:new): avi demuxing regression

[FFmpeg]

#2561: avi demuxing regression
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  avi h264
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  1
-------------------------------------+-------------------------------------
 A user uploaded a h264/avi sample that contains a strd chunk which is read
 as extradata and makes video decoding impossible, this is a regression
 since b26f0ee.
 {{{
 $ ffmpeg -i 00212743_source.avi
 ffmpeg version N-52969-gefaa2e0 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May 11 2013 18:37:57 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack --enable-libx264
   libavutil      52. 30.100 / 52. 30.100
   libavcodec     55.  7.100 / 55.  7.100
   libavformat    55.  4.101 / 55.  4.101
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 64.100 /  3. 64.100
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 [avi @ 0x1dc9020] non-interleaved AVI
 [h264 @ 0x1dc9ac0] AVC: nal size 0
 [h264 @ 0x1dc9ac0] missing picture in access unit with size 221993
 [h264 @ 0x1dc9ac0] AVC: nal size 0
 [h264 @ 0x1dc9ac0] no frame!

 ...

 [h264 @ 0x1dc9ac0] AVC: nal size 0
 [h264 @ 0x1dc9ac0] missing picture in access unit with size 32318
 [h264 @ 0x1dc9ac0] AVC: nal size 0
 [h264 @ 0x1dc9ac0] no frame!
 [avi @ 0x1dc9020] decoding for stream 0 failed
 [avi @ 0x1dc9020] Could not find codec parameters for stream 0 (Video:
 h264 (H264 / 0x34363248), 1920x1080): unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Guessed Channel Layout for  Input Stream #0.1 : stereo
 Input #0, avi, from '00212743_source.avi':
   Duration: 00:01:19.18, start: 0.000000, bitrate: 10954 kb/s
     Stream #0:0: Video: h264 (H264 / 0x34363248), 1920x1080, 14.99 fps,
 29.97 tbr, 29.97 tbn, 59.94 tbc
     Stream #0:1: Audio: adpcm_ms ([2][0][0][0] / 0x0002), 22050 Hz,
 stereo, s16, 176 kb/s
 At least one output file must be specified
 }}}
 This is the relevant chunk in the source file:
 {{{
 000000d0  00 00 00 00 73 74 72 64  6c 12 00 00 01 00 00 00
 |....strdl.......|
 000000e0  05 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
 |................|
 000000f0  00 00 00 00 01 00 00 00  02 00 00 00 17 00 00 00
 |................|
 00000100  e6 00 00 00 20 03 00 00  01 00 00 00 00 00 00 00  |....
 ...........|
 00000110  00 00 00 00 01 00 00 00  2e 5c 78 32 36 34 2e 73
 |.........\x264.s|
 00000120  74 61 74 73 00 00 00 00  00 00 00 00 00 00 00 00
 |tats............|
 00000130  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
 |................|
 *
 00000320  00 00 00 00 00 00 00 00  00 00 00 00 01 00 00 00
 |................|
 00000330  01 00 00 00 02 00 00 00  01 00 00 00 01 00 00 00
 |................|
 00000340  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00
 |................|
 *
 00001340  00 00 00 00 00 00 00 00  69 6e 64 78 f8 3f 00 00
 |........indx.?..|
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2561>
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