[FFmpeg-trac] #5491(avformat:new): pcm in wav misdetected as h264

[FFmpeg]

#5491: pcm in wav misdetected as h264
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  wav h264
  master                             |  regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://ffmpeg.org/pipermail/ffmpeg-user/2016-April/031935.html
 A user provided a wav file containing pcm_s16le that is misdetected as wav
 containing H.264 since 9f5769437aaab30a359cde254f39d9a28b1ce657
 {{{
 $ ffmpeg -i wav.detected.as.h264.error_cut.wav
 ffmpeg version N-79691-g66dd21d Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 23.100 / 55. 23.100
   libavcodec     57. 38.100 / 57. 38.100
   libavformat    57. 34.103 / 57. 34.103
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 44.100 /  6. 44.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [NULL @ 0x28b5860] Truncating likely oversized SPS
 [NULL @ 0x28b5860] too many reference frames 32
 [NULL @ 0x28b5860] non-existing PPS 185 referenced
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] Truncating likely oversized SPS
 [h264 @ 0x28b5860] too many reference frames 32
 [h264 @ 0x28b5860] slice type 32 too large at 161
 [h264 @ 0x28b5860] decode_slice_header error
 [h264 @ 0x28b5860] no frame!

 ...

 [wav @ 0x28b4280] decoding for stream 0 failed
 [wav @ 0x28b4280] Estimating duration from bitrate, this may be inaccurate
 [wav @ 0x28b4280] Could not find codec parameters for stream 0 (Video:
 h264 ([1][0][0][0] / 0x0001), none, 768 kb/s): unspecified size
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, wav, from 'wav.detected.as.h264.error_cut.wav':
   Duration: 00:00:26.67, bitrate: 768 kb/s
     Stream #0:0: Video: h264 ([1][0][0][0] / 0x0001), none, 768 kb/s, 48k
 tbr, 48k tbn
 At least one output file must be specified
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5491>
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