[FFmpeg-user] overlay filter uses unmapped cover image

Christian Ebert blacktrash at gmx.net
Wed May 15 15:44:01 CEST 2013

* Christian Ebert on Wednesday, May 15, 2013 at 13:57:10 +0200
> Yes, ermh, I noticed. But how could overlay work at the end of
> the chain?

This seems to do the trick:

ffmpeg -i test.m4v -i logo.png -filter_complex '[0:v]scale=640:480[tmp]; [tmp][1:v]overlay=main_w-overlay_w-10:main_h-overlay_h-10' test.mp4

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