> > > > -----Original Message----- > > > > From: Song, Ruiling > > > > Sent: Monday, October 29, 2018 1:18 PM > > > > To: ffmpeg-devel@ffmpeg.org > > > > Cc: Song, Ruiling <ruiling.s...@intel.com> > > > > Subject: [PATCH 2/4] lavfi/opencl: Handle overlay input formats > correctly. > > > > > > > > The main input may have alpha channel, we just ignore it. > > > > Also add some checks for incompatible input formats. > > > > > > > > Signed-off-by: Ruiling Song <ruiling.s...@intel.com> > > LGTM. > > BTW, could the main input with alpha case be supported? > > I am not sure what kind of support do you mean? > I simply ignore the alpha channel of the main input, and do the alpha > blending using the overlay alpha. > Before this patch, the filter will do it wrong if the main input has alpha > channel. Now it works with this patch. > > Thanks! > Ruiling
I mean support alpha blending with alpha channel of main input when no overlay alpha. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
