[FFmpeg-trac] #787(undetermined:new): swscale: add support for YUV421 & YUV442

[FFmpeg]

#787: swscale: add support for YUV421 & YUV442
-------------------------------------+-------------------------------------
             Reporter:  ami_stuff    |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 maybe easy

 {{{
 C:\>ffmpeg -i Test_421.jpg
 ffmpeg version N-35892-gc0bea18, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Dec 17 2011 13:52:52 with gcc 4.6.2
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libope
 ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --en
 able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger -
 -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
 amrwben
 c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-
 libxvid --enable-zlib --disable-demuxer=sbg
   libavutil    51. 32. 0 / 51. 32. 0
   libavcodec   53. 46. 0 / 53. 46. 0
   libavformat  53. 26. 0 / 53. 26. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 53. 0 /  2. 53. 0
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mjpeg @ 02625B60] Unhandled pixel format 0x22211100
 [image2 @ 020C2320] Could not find codec parameters (Video: mjpeg,
 1023x767 [SAR
  96:96 DAR 1023:767])
 Test_421.jpg: could not find codec parameters
 }}}

 {{{
 C:\>ffmpeg -i Test_442.jpg
 ffmpeg version N-35892-gc0bea18, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Dec 17 2011 13:52:52 with gcc 4.6.2
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libope
 ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --en
 able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger -
 -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
 amrwben
 c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-
 libxvid --enable-zlib --disable-demuxer=sbg
   libavutil    51. 32. 0 / 51. 32. 0
   libavcodec   53. 46. 0 / 53. 46. 0
   libavformat  53. 26. 0 / 53. 26. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 53. 0 /  2. 53. 0
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 [mjpeg @ 02625B60] Unhandled pixel format 0x12121100
 [image2 @ 020C2320] Could not find codec parameters (Video: mjpeg,
 1023x767 [SAR
  96:96 DAR 1023:767])
 Test_442.jpg: could not find codec parameters
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/787>
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