[FFmpeg-trac] #2569(undetermined:new): mszh: crash with yuv421

[FFmpeg]

#2569: mszh: crash with yuv421
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 attached file crashes ffmpeg here at the end of conversion (but I can't
 reproduce the crash under gdb)

 maybe invalid read?

 {{{
 C:\>ffmpeg -i yuv421.avi out.avi
 ffmpeg version N-53032-g37d9784 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on May 14 2013 02:45:02 with gcc 4.5.0 (GCC) 20100414 (Fedora
 MinGW 4.5.
 0-1.fc14)
   configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
 --arch=
 x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
 -pc-min
 gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
 cpudetect
 --enable-cross-compile --enable-static --disable-shared --extra-
 libs='-lws2_32 -
 lwinmm -lpthread' --extra-cflags='--static
 -I/var/www/users/research/ffmpeg/snap
 shots/build/include' --extra-ldflags='-static
 -L/var/www/users/research/ffmpeg/s
 napshots/build/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-
 version3
 --enable-nonfree --enable-libx264 --enable-libspeex --enable-libtheora
 --enable-
 libvorbis --enable-libfaac --enable-libxvid --enable-libopencore-amrnb
 --enable-
 libopencore-amrwb --enable-libmp3lame --enable-libvpx --disable-
 decoder=libvpx
   libavutil      52. 31.100 / 52. 31.100
   libavcodec     55.  9.100 / 55.  9.100
   libavformat    55.  7.100 / 55.  7.100
   libavdevice    55.  0.100 / 55.  0.100
   libavfilter     3. 65.100 /  3. 65.100
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 Input #0, avi, from 'yuv421.avi':
   Duration: 00:00:00.10, start: 0.000000, bitrate: 128029 kb/s
     Stream #0:0: Video: mszh (MSZH / 0x485A534D), yuv422p, 1022x768, 10
 tbr, 10
 tbn, 10 tbc
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.7.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1022x768,
 q=2-31, 20
 0 kb/s, 10 tbn, 10 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (mszh -> mpeg4)
 Press [q] to stop, [?] for help
 frame=    1 fps=0.0 q=6.7 Lsize=      65kB time=00:00:00.10
 bitrate=5348.2kbits/
 s
 video:60kB audio:0kB subtitle:0 global headers:0kB muxing overhead
 9.333551%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2569>
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