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ffmpeg-encoder/dnxhr: Added Avid DNxHR Encoder based on FFmpeg #784
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Explain the Pull Request
Added encoder for Avid DNxHR for 8 and 10 bit formats (although OBS doesn't support 10bit - yet).
This is an alternative to the existing ProRes encoder.
Why is this necessary?
The default DNx encoder, that can be used through OBS' integrated FFmpeg output, cannot do proper 4:2:2 chroma as it is missing pixel format conversions from 4:4:4 to 4:2:0. Therefore, you could only record 4:2:0 as 4:2:2, which is not true 4:2:2, or 4:4:4 as 4:4:4 (DNxHR 444 10bit), which is massive in size and often unnecessary.
OBS has no native 4:2:2 option (yet).
Checklist