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FFmpeg is frequently used by different studios for encoding their media, however the documentation for ffmpeg is often poor, or cryptic so its often harder than it should be to come up with a good starting point. We are aiming to come up with recommendations for different scenarios as well as document what the different flags are doing with the aim to make this easier to get to a good baseline.

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• An excellent starting point for this is: https://trac.ffmpeg.org/wiki/colorspace
• https://github.com/RxLaboratory/DuME/blob/master/src/FFmpeg_COLORS.md
• https://medium.com/invideo-io/talking-about-colorspaces-and-ffmpeg-f6d0b037cc2f
• https://docs.nvidia.com/video-technologies/video-codec-sdk/ffmpeg-with-nvidia-gpu/
• https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.1886-0-201103-I!!PDF-E.pdf - the BT1886 spec, esentially gamma 2.4 rec709 primaries.
• https://github.com/bbc/qtff-parameter-editor - A BBC open source app, for setting quicktime NCLC attributes.

• Widget Connector
  url https://vimeo.com/349868875 height 300

   - Video from baselight, reviewing setting the right NCLC tags for apple colorsync.

Notes

The big issue here is that by default if you start converting images to another format, and ffmpeg cannot determine the colorspace  it will default to bt601. So many of the flags below are to:

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