> input > red/alpha , green/alpha , blue/alpha > output > ffmpeg -i video.mp4 -i lowerthird.png -filter_complex > [1:v]geq=r=r/a:g=g/a:b=b/a[gq];[0:v][gq]overlay ... > >> output.mp4 >
Use ffmpeg -i video.mp4 -i lowerthird.png -filter_complex [1:v]geq=r='p(X,Y)/alpha(X,Y)':g='p(X,Y)/alpha(X,Y)':b='p(X,Y)/alpha(X,Y)':a='p(X,Y)'[gq];[0:v][gq]overlay .. output.mp4 _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
