[FFmpeg-devel] [Patch] QT RLE encoder, bis

Michael Niedermayer michaelni
Mon Jul 2 23:00:55 CEST 2007


On Mon, Jul 02, 2007 at 10:01:54PM +0200, Alexis Ballier wrote:
> > and after this is applied, maybe you want to add rate distortion optimal
> > encoding support
> > that is minimize number_of_bits*constant + sum_of_squared_differences instead
> > of just number_of_bits
> I'm not sure I understand it correctly, what are the differences that
> can be taken into account ?
> The difference of the number of bits in a line ? Of the ones of a frame ?
> Or do you mean a more complex algorithm that would "approximate" the
> pixels (in order to be able to use "skip" or "repeat" more often), and
> thus the differences would be between the original and the encoded
> pixel ?

yes, (approximate) / lossy encoding

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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