[mythtv] [PATCH] libpostprocess

Isaac Richards ijr at po.cwru.edu
Tue Oct 28 14:47:09 EST 2003


On Tuesday 28 October 2003 04:20 am, Kenneth Aafl°y wrote:
> On Tue, 2003-10-28 at 06:51, Isaac Richards wrote:
> > Or, just make that data available from the VideoFrame struct.  Think
> > minimal change, not changing everything around unnecessarily for a minor
> > feature.
>
> I was thinking of this too, but as far as I can see this would then
> imply per-frame copy of that table, because frames are filtered to long
> after they are decoded. I'm unsure of the exact size of the table, but
> (width+15)/16 seems to be a common allocation for it. So the question
> really is wheter it's justifiable to to keep track of those tables on a
> per frame basis or just move the filter closer to where it's generated.

I don't think copying 120 extra bytes of data per frame at maximal HDTV 
resolutions is going to affect anything at all.  The filtering isn't going to 
move anywhere.

Isaac


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