And don't simply copy them from Selur's
example. You have to read them from the source. Try MediaInfo to show the values. If that doesn't work try mkvinfo for VP9/WebM, a stream analyzer like ffprobe or Zond for HEVC.
You may need to calculate the values. They are set (stored) differently than they appear in MediaInfo:
http://x265.readthedocs.io/en/defaul...master-display
https://matroska.org/technical/specs/index.html#Colour
Quote:
Originally Posted by hydra3333
an mp4 container as avc/HDR/4k, presmably profile high10 level 5.1
an mkv container as avc/HDR/4k, presmably profile high10 level 5.1
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HDR in H.264, albeit possible, is uncommon. I would not use it for lack of compatibility. I think x264 does not even implement the mastering display colour volume SEI yet. (You can flag the mkv container, though.)