[FFmpeg-devel] [PATCH] fate: add vf_overlay test for main source with alpha channel

[Nicolas George]

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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