[FFmpeg-devel] [Patch] QT RLE encoder, bis
Michael Niedermayer
michaelni
Sat Jun 30 19:15:34 CEST 2007
Hi
On Sat, Jun 30, 2007 at 10:54:11AM +0200, Alexis Ballier wrote:
> >> + /* We will use it to compute the best bulk copy sequence */
> >> + uint8_t bulkcount;
> >> + /* This will be the number of pixels equal to the preivous frame
> >one's
> >> + * starting from the ith pixel */
> >> + uint8_t skipcount;
> >> + /* This will be the number of consecutive equal pixels in the
> >current
> >> + * frame, starting from the ith one also */
> >> + uint8_t repeatcount;
> >
> >these should be int or unsigend int not uint8_t, which might be very slow
> >on
> >RISC architectures which lack 8bit registers/operations besides load/store
>
> Didnt know that, updated
looks ok
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
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
No great genius has ever existed without some touch of madness. -- Aristotle
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