[FFmpeg-user] VP9 to HEVC hdr demo conversion?

[Tom Horsley]

On Mon, 14 Nov 2016 02:02:08 +0100
Carl Eugen Hoyos wrote:

> > Can anyone suggest a command line this poor
> > ignorant human can use to convert these to
> > HEVC files, preserving the HDRness?  
> 
> Either provide command line and complete, uncut console
> output for what you have already tried or at least "ffmpeg -i"
> output for the files you downloaded.

Here's the one that seems to give players the most trouble:

ffmpeg version 3.0.4 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 6.2.1 (GCC) 20160916 (Red Hat 6.2.1-2)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-fontconfig --enable-frei0r --enable-gcrypt --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libcdio --enable-indev=jack --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmp3lame --enable-openal --enable-opencl --enable-libopencv --enable-opengl --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-av
 filter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Input #0, matroska,webm, from 'The World in HDR.mkv':
  Metadata:
    encoder         : libebml v1.3.4 + libmatroska v1.4.5
    creation_time   : 2016-11-08 02:38:04
  Duration: 00:02:34.57, start: 0.000000, bitrate: 18316 kb/s
    Stream #0:0(eng): Video: vp9 (Profile 2), yuv420p10le(tv, bt2020nc/unknown/unknown), 3840x2160, SAR 1:1 DAR 16:9, 59.94 fps, 59.94 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      BPS             : 18203235
      BPS-eng         : 18203235
      DURATION        : 00:02:34.555000000
      DURATION-eng    : 00:02:34.555000000
      NUMBER_OF_FRAMES: 9264
      NUMBER_OF_FRAMES-eng: 9264
      NUMBER_OF_BYTES : 351675124
      NUMBER_OF_BYTES-eng: 351675124
      _STATISTICS_WRITING_APP: mkvmerge v9.5.0 ('Quiet Fire') 64bit
      _STATISTICS_WRITING_APP-eng: mkvmerge v9.5.0 ('Quiet Fire') 64bit
      _STATISTICS_WRITING_DATE_UTC: 2016-11-08 02:38:04
      _STATISTICS_WRITING_DATE_UTC-eng: 2016-11-08 02:38:04
      _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
    Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp (default)
    Metadata:
      BPS             : 109558
      BPS-eng         : 109558
      DURATION        : 00:02:34.569000000
      DURATION-eng    : 00:02:34.569000000
      NUMBER_OF_FRAMES: 7450
      NUMBER_OF_FRAMES-eng: 7450
      NUMBER_OF_BYTES : 2116797
      NUMBER_OF_BYTES-eng: 2116797
      _STATISTICS_WRITING_APP: mkvmerge v9.5.0 ('Quiet Fire') 64bit
      _STATISTICS_WRITING_APP-eng: mkvmerge v9.5.0 ('Quiet Fire') 64bit
      _STATISTICS_WRITING_DATE_UTC: 2016-11-08 02:38:04
      _STATISTICS_WRITING_DATE_UTC-eng: 2016-11-08 02:38:04
      _STATISTICS_TAGS: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
      _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES
At least one output file must be specified