2 * RV40 decoder motion compensation functions x86-optimised
3 * Copyright (c) 2008 Konstantin Shishkov
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * RV40 decoder motion compensation functions x86-optimised
27 #include "libavcodec/rv34dsp.h"
29 void ff_put_rv40_chroma_mc8_mmx (uint8_t *dst, uint8_t *src,
30 int stride, int h, int x, int y);
31 void ff_avg_rv40_chroma_mc8_mmx2 (uint8_t *dst, uint8_t *src,
32 int stride, int h, int x, int y);
33 void ff_avg_rv40_chroma_mc8_3dnow(uint8_t *dst, uint8_t *src,
34 int stride, int h, int x, int y);
36 void ff_put_rv40_chroma_mc4_mmx (uint8_t *dst, uint8_t *src,
37 int stride, int h, int x, int y);
38 void ff_avg_rv40_chroma_mc4_mmx2 (uint8_t *dst, uint8_t *src,
39 int stride, int h, int x, int y);
40 void ff_avg_rv40_chroma_mc4_3dnow(uint8_t *dst, uint8_t *src,
41 int stride, int h, int x, int y);
43 void ff_rv40dsp_init_x86(RV34DSPContext *c, DSPContext *dsp)
46 int mm_flags = av_get_cpu_flags();
48 if (mm_flags & AV_CPU_FLAG_MMX) {
49 c->put_chroma_pixels_tab[0] = ff_put_rv40_chroma_mc8_mmx;
50 c->put_chroma_pixels_tab[1] = ff_put_rv40_chroma_mc4_mmx;
52 if (mm_flags & AV_CPU_FLAG_MMX2) {
53 c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_mmx2;
54 c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_mmx2;
55 } else if (mm_flags & AV_CPU_FLAG_3DNOW) {
56 c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_3dnow;
57 c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_3dnow;