[FFmpeg-devel] [PATCH]Make the 32bit bmp palette opaque

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Dec 29 13:16:07 CET 2011

Michael Niedermayer <michaelni <at> gmx.at> writes:

> On Thu, Dec 29, 2011 at 04:02:17AM +0100, Carl Eugen Hoyos wrote:
> > BMP files with a 32bit palette have the high byte in the palette set to 0
> > and both ImageMagick and GIMP interpret that as opaque.
> > 
> > Please comment, Carl Eugen
> how do they interpret something like 0x80 in there ?

The value is ignored and the palette is interpreted as being opaque.

Carl Eugen

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