[FFmpeg-devel] [PATCH] fix for transparencies in animated gifs (requires feedback)

Bjorn Roche bjorn at giphy.com
Mon Nov 27 20:30:59 EET 2017

Thanks Moritz and Carl for your help with fate. This email was stuck in my
drafts :(

Comments below:

On Fri, Nov 3, 2017 at 8:11 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2017-10-24 18:40 GMT+02:00 Bjorn Roche <bjorn at giphy.com>:
> > - I don’t know if/how to update the FATE tests.
> A quick way (that needs some double-checking) is:
> $ make GEN=1 SAMPLES=fate-suite fate
> (This overwrites all values with the new output.)

Thanks. I ended up doing it manually to be sure, but this is useful!

> Is the new side-data unavoidable?
> (Would the only alternative be to merge the muxer into the
> encoder?)

The only way I can see is to move some functionality between the mixer and
the encoder. It's not a clear line between the codec and the container in
GIF, so I wouldn't object to an approach different from the one I took.



Bjorn Roche

Sr. Video Pipeline Engineer

bjorn at giphy.com

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