[FFmpeg-trac] #3756(avformat:new): Fails to identify video track in Ogg file

[FFmpeg]

#3756: Fails to identify video track in Ogg file
----------------------------------+--------------------------------------
             Reporter:  cgbug     |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
----------------------------------+--------------------------------------
 FFmpeg fails to identify the video codec in this file.

 The file contains the string "on2vp8", so I assume it contains VP8 video.

 Sample file:
 https://www.sendspace.com/file/2vxf6w

 command-line output:
 ffmpeg version N-64420-g939d22a Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Jul  4 2014 22:02:13 with gcc 4.8.3 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-av
 isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls
 --enab
 le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-
 libfreetyp
 e --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
 --enable-
 libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
 libope
 njpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-
 libsox
 r --enable-libspeex --enable-libtheora --enable-libtwolame --enable-
 libvidstab -
 -enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-
 libvpx
 --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
 --enable-
 libxavs --enable-libxvid --enable-decklink --enable-zlib
   libavutil      52. 90.101 / 52. 90.101
   libavcodec     55. 68.100 / 55. 68.100
   libavformat    55. 45.100 / 55. 45.100
   libavdevice    55. 13.101 / 55. 13.101
   libavfilter     4. 10.100 /  4. 10.100
   libswscale      2.  6.100 /  2.  6.100
   libswresample   0. 19.100 /  0. 19.100
   libpostproc    52.  3.100 / 52.  3.100
 [ogg @ 02847be0] Codec not found
 [ogg @ 02847be0] Could not find codec parameters for stream 0 (Unknown:
 none): u
 nknown codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, ogg, from 'video_0001.ogv':
   Duration: 00:00:33.69, start: 0.000000, bitrate: 2151 kb/s
     Stream #0:0: Unknown: none
     Stream #0:1(eng): Audio: vorbis, 48000 Hz, stereo, fltp, 128 kb/s
     Metadata:
       CREATION_TIME   : 2013-11-18 06:37:08
       LANGUAGE        : eng
       HANDLER_NAME    : Mainconcept MP4 Sound Media Handler
       MAJOR_BRAND     : mp42
       MINOR_VERSION   : 0
       COMPATIBLE_BRANDS: mp42mp41
       ENCODER         : Lavf55.13.101

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3756>
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