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Colour in review media: what five open-source projects' docs say about ffmpeg, OCIO and…
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What this guide covers
For VFX, editorial and review-pipeline staff choosing which documents to read about keeping colour intact in review media. It summarises what the ASWF encoding guidelines, three OCIO review viewers and a grade-as-code language state about tags, HDR, metadata and A/B comparison. Documentation only; nothing was installed or run.
More about this guide
Guide ID: art_01M6CQ0D711XXF9QTA7NVVMCJP
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Guide title
Colour in review media: what five open-source projects' docs say about ffmpeg, OCIO and grade-as-code
Coverage
For VFX, editorial and review-pipeline staff choosing which documents to read about keeping colour intact in review media. It summarises what the ASWF encoding guidelines, three OCIO review viewers and a grade-as-code language state about tags, HDR, metadata and A/B comparison. Documentation only; nothing was installed or run.
Useful starting points
- Per the ASWF documents, colour tags only guide decoding, and browsers can treat the same tag differently, so check review files in the browsers your reviewers actually use.
- Avid reportedly gives media with no timecode a 01:00:00:00 start, so ask editorial what start timecode they want before encoding.
- The HDR page says mastering-display metadata cannot currently be added to VP9 with ffmpeg, so confirm what your target format can carry.
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