[FFmpeg-devel] [RFC] [PATCH] iff: ANIM suppport

Carl Eugen Hoyos cehoyos at ag.or.at
Sun Jul 22 13:18:52 CEST 2012

Peter Ross <pross <at> xvid.org> writes:

> Gents, is there a sample file available that demonstrates the issue?

Both samples attached to ticket #689.
$ ffmpeg -i A4000T_HAM8.IFF out.png
produces a transparent image.

> > Anyway, please test following inlined patch and report back.
> > (@Peter: Any comments?)
> Carl, this patch is no good. The decoder already supports some transparency.
> It sets the alpha bits to 0xFF for all standard pixels, and clears them to 
> 0x00 for transparent pixels. I dont know what the problem is.

> (Re you patch, there are other pix_fmt==BGR32 tests elsewhere in the code;
> so you need to changes these lines too for it to function.)

The only other test I saw is for DEEP, my patch tries to fix 
the non-DEEP case.

Carl Eugen

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