[FFmpeg-trac] #2779(undetermined:new): jpegls: support YCbCr 2:1:1 color transform

[FFmpeg]

#2779: jpegls: support YCbCr 2:1:1 color transform
-------------------------------------+-------------------------------------
               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
-------------------------------------+-------------------------------------
 I was able to create jls YCbCr 2:1:1 sample (see ticket #893)

 {{{
 C:\>ffmpeg -i YCbCr_211_lossy.jls
 ffmpeg version N-54658-g43d3659 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Jul 12 2013 02:23:12 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. 39.100 / 52. 39.100
   libavcodec     55. 18.102 / 55. 18.102
   libavformat    55. 12.101 / 55. 12.101
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 80.100 /  3. 80.100
   libswscale      2.  3.100 /  2.  3.100
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  3.100 / 52.  3.100
 [jpegls @ 0x20e6480] Subsampling in JPEG-LS is not implemented. Update
 your FFmp
 eg version to the newest one from Git. If the problem still occurs, it
 means tha
 t your file has a feature which has not been implemented.
 [image2 @ 0x200a900] decoding for stream 0 failed
 [image2 @ 0x200a900] Could not find codec parameters for stream 0 (Video:
 jpegls
 ): unspecified size
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 YCbCr_211_lossy.jls: could not find codec parameters
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2779>
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