[MPlayer-dev-eng] [PATCH]patch for spu/vob subs

[陆 然]

Hi,
i have just make some change to make spu/vob subs fast, now i commit the 
patch(the bbox patch is include in it). here is a short describe:

the patch will set bbox for spu sub as other subs, and make a signal when 
new sub was decoded or the sub should disappeared.
also it will cut invisible part of the sub, so the sub can be scaled and 
moved easier.
i write some new scale code for spu/vob code, similar to vobsub's bilinear 
scale code. the speed and quality is good enough i think.
if you use #define SUBPOS 1, the sub will be displayed at the bottom of the 
screen.

hope it will be tested, thx.

ps, i find a small bug, when seem with vob subs, it will lose the last sub 
and display from the next sub, i fixed it in the patch but i don't know if 
the change will break other things(like dvd subs, i cannot test it).

-----------------------
Best Regards,
LR

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