eden-emu/FFmpeg
19
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

rv34: Intra 16x16 handling

Browse source 
Extract processing of intra 16x16 blocks from intra macroblock
processing.
Also implement a function performing inverse transform and block
reconstruction for DC-only blocks in 1 pass instead of 2.
This commit is contained in:
Christophe GISQUET 2012-01-03 00:22:11 +01:00 • committed by Janne Grunau
parent 3eeb755763
commit d78062386e
5 changed files with 297 additions and 145 deletions
Download patch file Download diff file Expand all files Collapse all files

14
libavcodec/x86/rv34dsp_init.c
View file

@ -24,17 +24,23 @@
#include "libavcodec/dsputil.h"
#include "libavcodec/rv34dsp.h"
void ff_rv34_idct_dequant4x4_dc_mmx2(DCTELEM *block);
void ff_rv34_idct_dequant4x4_dc_noround_mmx2(DCTELEM *block);
void ff_rv34_idct_dc_mmx2(DCTELEM *block);
void ff_rv34_idct_dc_noround_mmx2(DCTELEM *block);
void ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc);
void ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc);
av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c, DSPContext *dsp)
{
#if HAVE_YASM
int mm_flags = av_get_cpu_flags();
if (mm_flags & AV_CPU_FLAG_MMX)
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
if (mm_flags & AV_CPU_FLAG_MMX2) {
c->rv34_inv_transform_dc_tab[0] = ff_rv34_idct_dequant4x4_dc_mmx2;
c->rv34_inv_transform_dc_tab[1] = ff_rv34_idct_dequant4x4_dc_noround_mmx2;
c->rv34_inv_transform_dc_tab[0] = ff_rv34_idct_dc_mmx2;
c->rv34_inv_transform_dc_tab[1] = ff_rv34_idct_dc_noround_mmx2;
}
if (mm_flags & AV_CPU_FLAG_SSE4)
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
#endif
}