[FFmpeg-user] HD > SD Down-Convert Prores Color

[Kevin Wells]

> To: ffmpeg-user at ffmpeg.org
> From: cehoyos at ag.or.at
> Date: Wed, 13 May 2015 17:40:24 +0000
> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color
> 
> Kevin Wells  hotmail.co.uk> writes:
> 
>> Hi Carl, i'm out of examples I can send you
> 
> Please test with -vcodec v210
> 
> Carl Eugen
> 
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Hi Carl, this produces the same incorrect result. Whats the next step?

Last login: Wed May 13 20:30:51 on ttys000
ffmpeg -i /Users/kev/Movies/HD_BARS.mov -map 0:v -vf colormatrix=bt709:bt601,scale=720:576:flags=lanczos -c:v v210 /Users/kev/Movies/SD_BARS.mov
ffmpeg version 2.6.2-tessus Copyright (c) 2000-2015 the FFmpeg developers
  built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
  configuration: --cc=/usr/bin/clang --prefix=/Users/helmutt/data/ext/ffmpeg/sw --as=yasm --extra-version=tessus --disable-shared --enable-static --disable-ffplay --enable-gpl --enable-pthreads --enable-postproc --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libx265 --enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-libsoxr --enable-libwavpack --enable-version3 --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvpx --enable-libgsm --enable-libopus --enable-libmodplug --enable-fontconfig --enable-libfreetype --enable-libass --enable-libbluray --enable-filters --disable-indev=qtkit --disable-indev=x11grab_xcb --enable-runtime-cpudetect
  libavutil      54. 20.100 / 54. 20.100
  libavcodec     56. 26.100 / 56. 26.100
  libavformat    56. 25.101 / 56. 25.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 11.102 /  5. 11.102
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Guessed Channel Layout for  Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/kev/Movies/HD_BARS.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2015-05-13 19:20:05
  Duration: 00:00:10.00, start: 0.000000, bitrate: 16901 kb/s
    Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt709), 1920x1080, 15360 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 25 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2015-05-13 19:20:05
      handler_name    : Apple Alias Data Handler
      encoder         : Apple ProRes 422 HQ
      timecode        : 01:00:00:00
    Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, 2 channels, s16, 1536 kb/s (default)
    Metadata:
      creation_time   : 2015-05-13 19:20:05
      handler_name    : Apple Alias Data Handler
    Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s (default)
    Metadata:
      creation_time   : 2015-05-13 19:20:05
      handler_name    : Apple Alias Data Handler
      timecode        : 01:00:00:00
File '/Users/kev/Movies/SD_BARS.mov' already exists. Overwrite ? [y/N] y
Output #0, mov, to '/Users/kev/Movies/SD_BARS.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    encoder         : Lavf56.25.101
    Stream #0:0(eng): Video: v210 (v210 / 0x30313276), yuv422p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc (default)
    Metadata:
      creation_time   : 2015-05-13 19:20:05
      handler_name    : Apple Alias Data Handler
      timecode        : 01:00:00:00
      encoder         : Lavc56.26.100 v210
Stream mapping:
  Stream #0:0 -> #0:0 (prores (native) -> v210 (native))
Press [q] to stop, [?] for help
frame=   25 fps=0.0 q=0.0 size=   27000kB time=00:00:01.00 bitrate=221184.3kbitsframe=   47 fps= 46 q=0.0 size=   50760kB time=00:00:01.88 bitrate=221184.2kbitsframe=   71 fps= 47 q=0.0 size=   76680kB time=00:00:02.84 bitrate=221184.1kbitsframe=   96 fps= 47 q=0.0 size=  103680kB time=00:00:03.84 bitrate=221184.1kbitsframe=  121 fps= 48 q=0.0 size=  130680kB time=00:00:04.84 bitrate=221184.1kbitsframe=  145 fps= 47 q=0.0 size=  156600kB time=00:00:05.80 bitrate=221184.1kbitsframe=  170 fps= 48 q=0.0 size=  183600kB time=00:00:06.80 bitrate=221184.0kbitsframe=  195 fps= 48 q=0.0 size=  210600kB time=00:00:07.80 bitrate=221184.0kbitsframe=  220 fps= 48 q=0.0 size=  237600kB time=00:00:08.80 bitrate=221184.0kbitsframe=  245 fps= 48 q=0.0 size=  264600kB time=00:00:09.80 bitrate=221184.0kbitsframe=  250 fps= 48 q=0.0 Lsize=  270002kB time=00:00:10.00 bitrate=221185.9kbits/s    
video:270000kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000877%