Le duodi 2 thermidor, an CCXXV, Nicolas George a écrit : > testsrc2 does not handle alpha, though, so most of the video is > transparent. I will have a look to see if it can be improved.
Have a look at the attached patch. (Not complete, but working.) testsrc2=s=1024x768:alpha=255[a];testsrc2=alpha=128[b];[a][b]overlay=x=100:y=50 gives the expected result. Regards, -- Nicolas George
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