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

[Kevin Wells]

----------------------------------------
> To: ffmpeg-user at ffmpeg.org
> From: cehoyos at ag.or.at
> Date: Wed, 20 May 2015 14:58:19 +0000
> Subject: Re: [FFmpeg-user] HD> SD Down-Convert Prores Color
>
> Kevin Wells <kevwells <at> hotmail.co.uk> writes:
>
>> the out.mov is still flagged as bt709, but needs to be bt601.
>
> Do you have a file (any file) that is flagged as bt601?
> If not, how do you know that it is possible to flag the
> file as bt601 (I also believe it is possible but I will
> only be able to help you if I at least see ffmpeg -i
> output for such a sample)?
>
> Carl Eugen
>
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Sorry Carl, I misunderstood. Here is the output of a PAL SD file:


ffmpeg -i Bars_100_SD.mov 
ffmpeg version 2.6.git Copyright (c) 2000-2015 the FFmpeg developers
  built with Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn)
  configuration: --prefix=/Volumes/tempdisk/sw --enable-gpl --enable-pthreads --disable-ffplay --disable-ffserver --enable-libvpx --disable-decoder=libvpx --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-avfilter --enable-zlib --enable-filters --arch=x86 --enable-runtime-cpudetect
  libavutil      54. 23.101 / 54. 23.101
  libavcodec     56. 38.100 / 56. 38.100
  libavformat    56. 32.100 / 56. 32.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 16.101 /  5. 16.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Bars_100_SD.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2015-05-15 16:49:46
  Duration: 00:00:03.56, start: 0.000000, bitrate: 9649 kb/s
    Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le(bt470bg/smpte170m/unknown), 720x576, 9622 kb/s, 25 fps, 25 tbr, 2500 tbn, 2500 tbc (default)
    Metadata:
      creation_time   : 2015-05-15 16:49:50
      handler_name    : Apple Alias Data Handler
      encoder         : Apple ProRes 422 HQ
      timecode        : 00:00:00:00
    Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
    Metadata:
      creation_time   : 2015-05-15 16:49:50
      handler_name    : Apple Alias Data Handler
      reel_name       : 89202
      timecode        : 00:00:00:00
At least one output file must be specified