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feat: opt-in 4:4:4 chroma for SDR MP4 masters - #5820

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PaprikaChen wants to merge 9 commits into

heygen-com:mainfrom

PaprikaChen:feat/chroma-subsampling-444

Open

feat: opt-in 4:4:4 chroma for SDR MP4 masters#5820
PaprikaChen wants to merge 9 commits into
heygen-com:mainfrom
PaprikaChen:feat/chroma-subsampling-444

Commits on Oct 18, 2026
- feat(engine): decouple transparent background from png capture format
  
  PaprikaChen
  and
  claude
  committed
  f3517ac
- feat(engine): add 4:4:4 chroma option to getEncoderPreset
  
  PaprikaChen
  and
  claude
  committed
  c561183
- feat(producer): chromaSubsampling render option with lossless png capture
  
  PaprikaChen
  and
  claude
  committed
  24490e6
- feat(producer,studio-server): accept chromaSubsampling on render routes
  
  PaprikaChen
  and
  claude
  committed
  06f2ff0
- feat(cli): add --chroma-subsampling flag
  
  PaprikaChen
  and
  claude
  committed
  b967b19
- docs: document 4:4:4 chroma subsampling
  
  PaprikaChen
  and
  claude
  committed
  5e3a6f8
- docs: add 4:4:4 player compatibility results
  
  PaprikaChen
  and
  claude
  committed
  8ea96b4
- docs: note the measured render cost of 4:4:4 output
  
  PaprikaChen
  and
  claude
  committed
  c54da6e
Commits on Oct 22, 2026
- Merge remote-tracking branch 'upstream/main' into feat/chroma-subsampling-444
  PaprikaChen
  committed
  90da21a