Re[6]: [XviD-devel] scene change detecting in Bframes mode

[Christoph Lampert]

On Wed, 21 Aug 2002, Radoslaw 'sysKin' Czyz wrote:

> > _If_ we talk about max_bframes that large: Use binary search ;-) So check
> > xxPxx first!
> 
> Now that's the difference between lamer like me and professional like
> you ;-)
> 
> > The thing is: My idea would give scene-change detection as a by-product of
> > dynamical b-frame setting. Yours only checks for scene changes.
> 
> Now I see - you're right. How are you going to decide about the number
> of b-frames? 

Easy: use the value from   max_bframes   ;-)

> Things that come out of the top of my head: size of the P
> frame (estimated); size of vector data vs. size of texture data (well
> after ME only the former is just sum of SADs), linear motion.
> Just some ideas ;)

All worth looking at, but too advanced for a codec which hasn't even
released it's bframes. 

gruel

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