[FFmpeg-devel] Export colormap index and alpha map from dvdsubtitle

[Ian Caulfield]

2009/6/23 Erik Van Grunderbeeck <erik at arawix.com>:
> Hallo;
>
> To decode the colormap of subtitles correctly (with info from the ifo files)
> the colormap index and alpha values of the subtitle are needed.
>
> I propose exporting them via AVSubtitle and the entries in pict.data[2] and
> pict.data[3]. Unless someone has a better proposal.
>
> Attached patch does just that.
>

Would it make more sense to pass the IFO colourmap in extradata? That
way Nero mp4 files with dvd subtitles could be decoded properly too...

Ian