Is there a fast way to use chroma_key without obs?

[shenyantao_obs]

I only want to Use chroma_key to process some pictures,could anyone give me some suggests?

 

[Tarumes]

ffmpeg

FFMPEG: chroma key / greenscreen filter for images / video

I need for a video to use chroma key filter / greenscreen filter and overlay it over another video and output it as new video.

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