[FFmpeg-trac] #1215(undetermined:new): utvideo: RGB (ULRG) + predict median + assum intercaled video = broken output

[FFmpeg]

#1215: utvideo: RGB (ULRG) + predict median + assum intercaled video = broken
output
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 decodes correctly with original codec


 predict median + assume interlaced video = broken output:

 http://www.datafilehost.com/download-e5c58efd.html


 predict left   + assume interlaced video = ok:

 http://www.datafilehost.com/download-6a72999e.html

 {{{
 C:\>ffmpeg -i predict_median.avi out.avi
 ffmpeg version N-39824-g7432bcf Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Apr 15 2012 02:20:32 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. 46.100 / 51. 46.100
   libavcodec     54. 14.101 / 54. 14.101
   libavformat    54.  3.100 / 54.  3.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 70.100 /  2. 70.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 11.100 /  0. 11.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, avi, from 'predict_median.avi':
   Duration: 00:00:02.00, start: 0.000000, bitrate: 23246 kb/s
     Stream #0:0: Video: utvideo (ULRG / 0x47524C55), rgb24, 320x240, 25
 tbr, 25
 tbn, 25 tbc
 Incompatible pixel format 'rgb24' for codec 'mpeg4', auto-selecting format
 'yuv4
 20p'
 [buffer @ 0x1dc1d60] w:320 h:240 pixfmt:rgb24 tb:1/1000000 sar:0/1
 sws_param:fla
 gs=2
 [buffersink @ 0x1dc1180] auto-inserting filter 'auto-inserted scale 0'
 between t
 he filter 'src' and the filter 'out'
 [scale @ 0x1dc1b80] w:320 h:240 fmt:rgb24 sar:0/1 -> w:320 h:240
 fmt:yuv420p sar
 :0/1 flags:0x4
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf54.3.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 320x240,
 q=2-31, 200
  kb/s, 25 tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (utvideo -> mpeg4)
 Press [q] to stop, [?] for help
 frame=   31 fps=0.0 q=2.0 size=     154kB time=00:00:01.24
 bitrate=1016.2kbits/s
 frame=   50 fps=0.0 q=2.0 Lsize=     257kB time=00:00:02.00
 bitrate=1051.6kbits/
 s
 video:250kB audio:0kB global headers:0kB muxing overhead 2.707011%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1215>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker