[FFmpeg-trac] #4329(undetermined:new): Transcoding of mp4 video fails

FFmpeg trac at avcodec.org
Wed Feb 25 11:52:58 CET 2015


#4329: Transcoding of mp4 video fails
-------------------------------------+-------------------------------------
             Reporter:  aleskotnik   |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % wget
 http://cache.celtra.com/api/blobs/c0b08ae57dcda8f4b6654ff6413e0051c2c74019b4164f77e03f4935c6fde47f/bogus_video.mp4
 % ffmpeg -i bogus_video.mp4 transcoded_video.mp4
 }}}

 The ffmpeg version I am using {{{
 ffmpeg version N-70151-gf34aca8-static Copyright (c) 2000-2015 the FFmpeg
 developers
 built with gcc 4.7 (Debian 4.7.2-5)
 configuration: --prefix=/home/ales/ffmpeg_build --extra-
 cflags=-I/home/ales/ffmpeg_build/include --extra-
 ldflags=-L/home/ales/ffmpeg_build/lib --extra-version=static --disable-
 debug --disable-shared --enable-static --disable-ffplay --disable-ffserver
 --disable-doc --enable-gpl --enable-pthreads --enable-postproc --enable-
 gray --enable-runtime-cpudetect --enable-libfdk-aac --enable-libfaac
 --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis
 --enable-libx264 --enable-libxvid --enable-bzlib --enable-zlib --enable-
 nonfree --enable-version3 --enable-libvpx --disable-devices
 libavutil      54. 19.100 / 54. 19.100
 libavcodec     56. 26.100 / 56. 26.100
 libavformat    56. 23.104 / 56. 23.104
 libavdevice    56.  4.100 / 56.  4.100
 libavfilter     5. 11.101 /  5. 11.101
 libswscale      3.  1.101 /  3.  1.101
 libswresample   1.  1.100 /  1.  1.100
 libpostproc    53.  3.100 / 53.  3.100
 }}}

 The Error I get (see attached error log for more details)
 {{{
 Could not find codec parameters for stream 1 (Video: h264 (avc1 /
 0x31637661), none(bt470bg/smpte240m/bt709, topleft), 720x405, 1/59940,
 1274 kb/s): unspecified pixel format
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4329>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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