jpeg: problem with MCU-rows and progressive mode

[ami_stuff]

jpeg: problem with MCU-rows and progressive mode

The attached files are 24bpp (YCbCr), progressive, 1:1:1 (11:11:11)

When "Restart Interval in MCU-Rows" option is set to other value than 0 then FFmpeg decodes the file incorrectly.

C:\>ffmpeg -i MCU5.jpg out.bmp
ffmpeg version N-39339-ga0340df Copyright (c) 2000-2012 the FFmpeg developers
  built on Mar 28 2012 02:25:58 with gcc 4.5.0 20100414 (Fedora MinGW 4.5.0-1.fc
14)
  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' --extra-cflags='--static -I/var/www/users/research/ffmpeg/snapshots/buil
d/include' --extra-ldflags='-static -L/var/www/users/research/ffmpeg/snapshots/b
uild/lib' --enable-bzlib --enable-zlib --enable-gpl --enable-version3 --enable-n
onfree --enable-libx264 --enable-libspeex --enable-libtheora --enable-libvorbis
--enable-libfaac --enable-libxvid --enable-libopencore-amrnb --enable-libopencor
e-amrwb --enable-libmp3lame --enable-libvpx --disable-decoder=libvpx
  libavutil      51. 44.100 / 51. 44.100
  libavcodec     54. 12.100 / 54. 12.100
  libavformat    54.  3.100 / 54.  3.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 66.100 /  2. 66.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 10.100 /  0. 10.100
  libpostproc    52.  0.100 / 52.  0.100
[mjpeg @ 0x1daa160] error count: 268435456
[mjpeg @ 0x1daa160] error y=5 x=0
[mjpeg @ 0x1daa160] error count: 268435456
[mjpeg @ 0x1daa160] error y=5 x=0
Input #0, image2, from 'MCU5.jpg':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: mjpeg, yuvj444p, 1024x768 [SAR 96:96 DAR 4:3], 25 tbr, 2
5 tbn, 25 tbc
Incompatible pixel format 'yuvj444p' for codec 'bmp', auto-selecting format 'bgr
24'
[buffer @ 0x1db1320] w:1024 h:768 pixfmt:yuvj444p tb:1/1000000 sar:96/96 sws_par
am:
[buffersink @ 0x1db15a0] auto-inserting filter 'auto-inserted scale 0' between t
he filter 'src' and the filter 'out'
[scale @ 0x1db1840] w:1024 h:768 fmt:yuvj444p sar:96/96 -> w:1024 h:768 fmt:bgr2
4 sar:1/1 flags:0x4
Output #0, image2, to 'out.bmp':
  Metadata:
    encoder         : Lavf54.3.100
    Stream #0:0: Video: bmp, bgr24, 1024x768 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s
, 90k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mjpeg -> bmp)
Press [q] to stop, [?] for help
[mjpeg @ 0x1daa160] error count: 268435456
[mjpeg @ 0x1daa160] error y=5 x=0
[mjpeg @ 0x1daa160] error count: 268435456
[mjpeg @ 0x1daa160] error y=5 x=0
frame=    1 fps=0.0 q=0.0 Lsize=       0kB time=00:00:00.04 bitrate=   0.0kbits/
s
video:2304kB audio:0kB global headers:0kB muxing overhead -100.000000%

[ami_stuff]

Duplicate of ticket #2003 / #2068.