Hi, On Sat, Jul 16, 2011 at 9:33 AM, Kostya <[email protected]> wrote: > On Sat, Jul 16, 2011 at 09:25:52AM -0700, Ronald S. Bultje wrote: >> On Sat, Jul 16, 2011 at 8:33 AM, Kostya <[email protected]> wrote: >> > On Sat, Jul 16, 2011 at 08:24:39AM -0700, Ronald S. Bultje wrote: >> >> On Sat, Jul 16, 2011 at 3:05 AM, Kostya <[email protected]> wrote: >> >> > On Sat, Jul 16, 2011 at 06:53:43AM +0200, Kostya wrote: >> >> >> Since it would take Diego too much time to finish his work, here's >> >> >> working >> >> >> Flash Screen Video 2 decoder which decodes frames properly. >> >> > >> >> > Here's a version updated for the latest Git revision. >> >> [..] >> >> > +static int decode_hybrid(const uint8_t *sptr, uint8_t *dptr, int dx, >> >> > int dy, >> >> > + int h, int w, int stride, const uint32_t *pal) >> >> >> >> One thing I don't like about this function is that it reads 15bpp data >> >> but outputs it as if it were 24bpp... Since the palette itself is also >> >> just 7bpp, I wonder if we shouldn't make the decoder output in a >> >> different bpp... >> > >> > Palette data is 24bpp, and paletted values are mixed along with 15bpp >> > values >> > in the same block. And the next block may use 24bpp too, so it's not >> > possible. >> >> Wishlist item for future: either use the swscale functions for >> conversion, or DSP'ize it. No need to do this now, of course. > > Not quite possible here either - 7-bit palette indices and 15-bit raw colour > values are mixed together.
the palette index can point to a 15bit palette, merge them and output the two together to sws/dsp to generate 24bpp? You can't DSP'ize the palette LUT anyway, except maybe in altivec. Ronald _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
