[XviD-devel] 8bit greyscale

[Michael Militzer]

Hi,

there's a greyscale encoding option in XVID already for a long time (and
such an option also exists in the VfW GUI). If the XVID_VOP_GREYSCALE flag
is set, chroma information is dropped in the encoder. That should be
sufficient I think - there's no need to set U and V to 128 in colorspace
conversion if the chroma information is later omitted anyway...

Michael


Quoting Christoph Lampert <chl at math.uni-bonn.de>:

> 
> Hi,
> 
> old story, new reason: I had an inquiry if XviD supports plain 
> 8bit-greyscale input, and for my amazement, I found out it still doesn't.
> It's of course just 2 lines to add this to the color space routines,
> just use YUV and set U and V to fixed 128, I can patch this in. 
> 
> But how about VfW, could somebody add an option for this? 
> 
> chl
> 
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