On Mon, Oct 23, 2017 at 07:12:57PM -0400, Bjorn Roche wrote: > This patch enables paletteuse to identify the transparency in incoming > video and tag transparent pixels on outgoing video with the correct > index from the palette. > > 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 throughout the conversion > process. > > 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. > --- > doc/filters.texi | 7 ++ > libavfilter/vf_paletteuse.c | 195 > ++++++++++++++++++++++++++++----------------
patch applied. I took the liberty to make the following changes before pushing: - fix spacing issues around () you forgot to fix - rename "threshold" into "alpha_threshold" - move the option documentation in the appropriate place (it was between diff_mode and one of its constant) Thanks for the patch, and sorry about the delay. Regards, -- Clément B.
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