[FFmpeg-trac] #3880(swscale:new): implement full chroma interpolation for yuva444p10 to rgb48

FFmpeg trac at avcodec.org
Sun Aug 24 01:04:34 CEST 2014


#3880: implement full chroma interpolation for yuva444p10 to rgb48
-------------------------------------+-----------------------------------
             Reporter:  cbsrobot     |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  swscale
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-----------------------------------

Comment (by cbsrobot):

 same for yuv444p10 -> rgb48:

 {{{
 ffmpeg -i h264-444/444_10bit_cabac.h264 -pix_fmt rgb48 test-%04d.tif
 ffmpeg version N-65847-g554d819 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug 23 2014 22:30:48 with Apple LLVM version 5.1
 (clang-503.0.40) (based on LLVM 3.4svn)
   configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
 postproc --enable-libass --enable-libcelt --enable-libfaac --enable-
 libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-
 amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-openssl
 --enable-libopus --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx
 --enable-libx264 --enable-libxvid --enable-iconv --enable-libquvi
 --prefix=/usr/local
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  2.100 / 56.  2.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.103 /  5.  0.103
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 Input #0, h264, from 'h264-444/444_10bit_cabac.h264':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuv444p10le,
 960x540, 25 fps, 25 tbr, 1200k tbn, 50 tbc
 [swscaler @ 0x7fbd39800600] full chroma interpolation for destination
 format 'rgb48le' not yet implemented
 Output #0, image2, to 'test-%04d.tif':
   Metadata:
     encoder         : Lavf56.2.100
     Stream #0:0: Video: tiff, rgb48le, 960x540, q=2-31, 200 kb/s, 25 fps,
 25 tbn, 25 tbc
     Metadata:
       encoder         : Lavc56.0.101 tiff
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> tiff (native))
 Press [q] to stop, [?] for help
 frame=   10 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.40 bitrate=N/A
 video:30660kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

 and yuva444p10 -> rgba64:

 {{{
 ffmpeg -i h264-444/444_10bit_cabac.h264 -pix_fmt rgba64 test-%04d.tif
 ffmpeg version N-65847-g554d819 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug 23 2014 22:30:48 with Apple LLVM version 5.1
 (clang-503.0.40) (based on LLVM 3.4svn)
   configuration: --enable-gpl --enable-version3 --enable-nonfree --enable-
 postproc --enable-libass --enable-libcelt --enable-libfaac --enable-
 libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-
 amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-openssl
 --enable-libopus --enable-libschroedinger --enable-libspeex --enable-
 libtheora --enable-libvo-aacenc --enable-libvorbis --enable-libvpx
 --enable-libx264 --enable-libxvid --enable-iconv --enable-libquvi
 --prefix=/usr/local
   libavutil      54.  7.100 / 54.  7.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  2.100 / 56.  2.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.103 /  5.  0.103
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  0.100 / 53.  0.100
 Input #0, h264, from 'h264-444/444_10bit_cabac.h264':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: h264 (High 4:4:4 Predictive), yuv444p10le,
 960x540, 25 fps, 25 tbr, 1200k tbn, 50 tbc
 [swscaler @ 0x7fe4b9000600] full chroma interpolation for destination
 format 'rgba64le' not yet implemented
 Output #0, image2, to 'test-%04d.tif':
   Metadata:
     encoder         : Lavf56.2.100
     Stream #0:0: Video: tiff, rgba64le, 960x540, q=2-31, 200 kb/s, 25 fps,
 25 tbn, 25 tbc
     Metadata:
       encoder         : Lavc56.0.101 tiff
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> tiff (native))
 Press [q] to stop, [?] for help
 frame=   10 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.40 bitrate=N/A
 video:40854kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3880#comment:2>
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