[FFmpeg-user] How does ffmpeg handle chroma when transcoding video?

pdr0 pdr0 at shaw.ca
Wed Apr 8 06:47:12 EEST 2020

jake9wi wrote
> When I transcode a video (say from x264 to vp9 without scaling) does
> ffmpeg up-scale the chroma to 4:4:4 for processing or does it leave it at
> 4:2:0?

It does not change the chroma unless you tell it to change it, or some
filter or output format requires you to change it 

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