SwScaler performance help (was Re: [MPlayer-dev-eng] [PATCH] vf_osd updates - fully baked?)

Michael Niedermayer michaelni at gmx.at
Wed Sep 14 01:22:54 CEST 2005


Hi

On Tue, Sep 13, 2005 at 01:11:46PM -0400, Jason Tackaberry wrote:
> Hi Michael,
> 
> On Tue, 2005-09-13 at 18:51 +0200, Michael Niedermayer wrote:
> > i really think you should add your code to the swscaler, and if its really to
> > hard then at least put it in postproc/... a filter is not the correct place
> > for it
> 
> Would a patch for swscaler that basically just takes the existing C code
> (with no SSE implementation) be acceptable?  

ok


> I would need to create a
> new image format, 

ok


> would IMGFMT_YV12A be ok?  

is any other project using the YV12A name too? is their definition
the same as yours, if so the name is fine ...


> One problem is that YV12A
> is comprised of 5 planes, but there seems to be a general assumption in
> the swscaler code that all the src/dst are an array of 3 planes.  Would
> this end up being a problem?

not if you fix the places which assume 3 planes :)

[...]


-- 
Michael




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