Re: [xine-devel] [BUG] overlay blending with VO cropping on drivers without VO_CAP_CROP

[Michael R. <mr...@us...>]

Hi,

>> perhaps it would be cleaner adding overlay_offset_x and  
>> overlay_offset_y to vo_frame_t. this way it is a generic mechanism  
>> for displacing overlays and all drivers would have to implement it...
>
> i'm attaching a patch that does that.
> currently it changes just the opengl driver, all others would have  
> to be fixed the same. besides, we must increase api number for vo  
> drivers (20->21). and alphablend needs some checks for negative  
> clipping area as well.

Feels like the right solution to me. Plus: It will simplify the  
overlay shifting of the expand plugin.

Michael