On Fri, Oct 20, 2017 at 12:35:00AM +0200, Carl Eugen Hoyos wrote: > 2017-10-20 0:00 GMT+02:00 Bjorn Roche <bj...@giphy.com>: > > The palettes generated by palettegen include one transparent color. > > This patch enables paletteuse to identify the transparency in incoming > > video and tag transparent pixels on outgoing video. > > > > This requires tracking the transparency index in the palette, > > establishing an alpha threshold below which a pixel is considered > > transparent and above which the pixel is considered opaque, and > > additional changes to track the alpha value throught the conversion > > process. If the format of a color variable has changed in this patch, > > an effort was also made to change the variable name for clarity. > > > > This change is a partial fix for https://trac.ffmpeg.org/ticket/4443 > > However, animated GIFs are still output incorrectly due to a bug > > in gif optimization which does not correctly handle transparency. > > If Clément doesn't comment, I will probably push this in a few days. >
I need a little more time. I don't think I can do this today, but tomorrow might be OK. Sorry about the delay. -- Clément B.
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