[FFmpeg-trac] #2580(avcodec:new): FLV h264 video decoding corrupted

FFmpeg trac at avcodec.org
Thu May 16 23:51:56 CEST 2013


#2580: FLV h264 video decoding corrupted
-----------------------------------+---------------------------------------
             Reporter:  relevante  |                     Type:  defect
               Status:  new        |                 Priority:  normal
            Component:  avcodec    |                  Version:  unspecified
             Keywords:             |               Blocked By:
             Blocking:             |  Reproduced by developer:  0
Analyzed by developer:  0          |
-----------------------------------+---------------------------------------
 Summary of the bug:
 Decoding this file: http://files.cousins-sears.com/0x2m2u110W3H (and
 others like it) is corrupted after about 15 seconds.  Other decoders are
 able to decode the video properly.  For instance whatever is powering
 http://www.mediaconverter.org allowed me to convert the file successfully,
 as you can see here: http://www.youtube.com/watch?v=993OAWMS0us

 ffmpeg conversion results in errors as seen here:
 http://pastebin.com/WawmPZVC

 How to reproduce:
 {{{
 % ffmpeg -i 58af5798-fa2c-42a2-997d-dc8e49de2d8a.flv -an -vcodec libx264
 -b 512k -r 30 -ar 44100 testffmpeg2.mpg

 ffmpeg version N-53159-gd94c907 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May 16 2013 15:29:14 with llvm-gcc 4.2.1 (LLVM build
 2336.11.00)
   configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
 postproc --enable-libaacplus --enable-libass --enable-libcelt --enable-
 libfaac --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
 --enable-openssl --enable-libopus --enable-libschroedinger --enable-
 libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvorbis
 --enable-libvpx --enable-libx264 --enable-libxvid --prefix=/usr/local
   libavutil      52. 32.100 / 52. 32.100
   libavcodec     55.  9.100 / 55.  9.100
   libavformat    55.  7.100 / 55.  7.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 68.101 /  3. 68.101
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 }}}

 assigned to avcodec per the help of ubitux on #ffmpeg  (thanks!)

 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2580>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


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