[FFmpeg-devel] [PATCH] half vertical chroma resolution from JPEGs..

Michael Niedermayer michaelni
Sat Jul 21 12:18:05 CEST 2007


On Sat, Jul 21, 2007 at 09:49:28AM +0200, Andreas ?man wrote:
> Michael Niedermayer wrote:
> > Hi
> > 
> > the luma change should be ok, the chroma change is not, it needs changes to
> > the asm too, grep for 4096
> Ugh, (optimized) x86 asm is not really my bag. I'll have to leave
> this bug to someone else for now.
> Perhaps we can add a check for now that alerts the user (and refuses
> to process) if the width is >2k ?

also simply replacing the 4096/4000/8000 by a constant would allow to change
the limit at compile time and would not need any real asm knowledge i think


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I count him braver who overcomes his desires than him who conquers his
enemies for the hardest victory is over self. -- Aristotle
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