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

Nicolas George george at nsup.org
Thu Jul 20 18:11:52 EEST 2017

Le duodi 2 thermidor, an CCXXV, Peter Große a écrit :
> After some further tests, it seems swscale (used as the auto_scaler in the
> test) produces slightly different output depending on whether MMX is enabled or
> not.
> When I re-add --disable-optimizations --enable-mmx --disable-stripping to my
> configure command line, the test succeeds.
> Any further comments to the patch and test case?

If you use testsrc2 instead of file inputs, it produces streams with the
requested colorspace directly.

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.


  Nicolas George
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