[FFmpeg-user] Detect grayscale intervals or images in a video with ffmpeg

Num af_numid at hotmail.com
Sun Aug 17 16:44:17 CEST 2014

Hello everyone,

I know the blackdetect filter which detects black intervals in a video.I
can not find any filter that works identically to detect grayscale/"black
and white" intervals in a video.Can I do this with one or a combination of
the built-in ffmpeg filters?
Thank you,Numid

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