[MPlayer-dev-eng] [PATCH] Color SPU rendering

[Ötvös Attila]

2008. január 29. 23.20 dátummal Reimar Döffinger ezt írta:

Hi Reimar Döffinger!

> Well, there is not really anything really libvo specific in these
> patches.
> Also the biggest questions about it are:
> 1) How is this supposed to compile at all? It uses some dp variable that is
> not declared at all.
> 2) What is that VOCTRL_GUISUPPORT supposed to do? I can't see how the
> return value is supposed to be useful in any way.

1, call VOCTRL_COLOROSD_SUPPORT
if return VO_TRUE:

call VOCTRL_QUERY_FORMAT -> set color spu type: 
YUV (eg: IMGFMT_YV12, IMGFMT_I420, ...), 
YUY, 
RGB, 
BGR (IMGFMT_BGR32, IMGFMT_BGR24, ...)

3, spudec make more planes: (Y-U-V-A, or R-G-B-A) and call

YUV mode:
draw_alpha( dp=DEST_PLANES_Y ),
draw_alpha( dp=DEST_PLANES_U ), 
draw_alpha( dp=DEST_PLANES_V )

YUY mode:
draw_alpha( dp=DEST_PLANES_YUYV )

RGB, BGR mode:
draw_alpha( dp=DEST_PLANES_RB ),
draw_alpha( dp=DEST_PLANES_G ),
draw_alpha( dp=DEST_PLANES_BR )

4, if VOCTRL_COLOROSD_SUPPORT return false:

spudec make grayscale and call
draw_alpha( dp=DEST_PLANES_Y )

Best regard.
Attila