[FFmpeg-trac] #3855(avformat:new): Some MPG files give "Invalid data found when processing input"

[FFmpeg]

#3855: Some MPG files give "Invalid data found when processing input"
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             Reporter:  11rcombs  |                     Type:  defect
               Status:  new       |                 Priority:  normal
            Component:  avformat  |                  Version:  git-master
             Keywords:            |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug:
 Some small MPG files give "invalid data" errors early-on. I'm attempting
 to gather more sample files, and details on what produces them. QuickTime
 has no problem playing them.
 How to reproduce:
 {{{
 $ ffmpeg -loglevel debug -i MOV27379.MPG
 ffmpeg version N-65478-g6985ef7 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug  9 2014 22:54:35 with Apple LLVM version 6.0
 (clang-600.0.34.4) (based on LLVM 3.5svn)
   configuration: --extra-cflags='-march=native' --enable-optimizations
 --enable-debug --enable-libx265 --enable-gpl --enable-libopus --enable-
 version3 --enable-nonfree --enable-postproc --enable-libass --enable-
 libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-
 amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-gnutls
 --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
 --enable-libxvid --prefix=/usr/local --enable-static --enable-shared
 --enable-avresample --enable-vda --enable-opencl --enable-libzvbi
 --cc=clang
   libavutil      54.  0.100 / 54.  0.100
   libavcodec     56.  0.100 / 56.  0.100
   libavformat    56.  0.100 / 56.  0.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.100 /  5.  0.100
   libavresample   2.  0.  0 /  2.  0.  0
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  0.100 /  1.  0.100
   libpostproc    53.  0.100 / 53.  0.100
 Splitting the commandline.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument 'debug'.
 Reading option '-i' ... matched as input file with argument
 'MOV27379.MPG'.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option loglevel (set logging level) with argument debug.
 Successfully parsed a group of options.
 Parsing a group of options: input file MOV27379.MPG.
 Successfully parsed a group of options.
 Opening an input file: MOV27379.MPG.
 [AVIOContext @ 0x7f84b040fd80] Statistics: 30269 bytes read, 0 seeks
 MOV27379.MPG: Invalid data found when processing input
 }}}
 The one sample I have so far:
 http://puu.sh/aT6mn/dab3a98d31.MPG

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3855>
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