2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/h264chroma.h"
27 void ff_put_h264_chroma_mc8_rnd_mmx (uint8_t *dst, uint8_t *src,
28 int stride, int h, int x, int y);
29 void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
30 int stride, int h, int x, int y);
31 void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
32 int stride, int h, int x, int y);
34 void ff_put_h264_chroma_mc4_mmx (uint8_t *dst, uint8_t *src,
35 int stride, int h, int x, int y);
36 void ff_avg_h264_chroma_mc4_mmxext (uint8_t *dst, uint8_t *src,
37 int stride, int h, int x, int y);
38 void ff_avg_h264_chroma_mc4_3dnow (uint8_t *dst, uint8_t *src,
39 int stride, int h, int x, int y);
41 void ff_put_h264_chroma_mc2_mmxext (uint8_t *dst, uint8_t *src,
42 int stride, int h, int x, int y);
43 void ff_avg_h264_chroma_mc2_mmxext (uint8_t *dst, uint8_t *src,
44 int stride, int h, int x, int y);
46 void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
47 int stride, int h, int x, int y);
48 void ff_put_h264_chroma_mc4_ssse3 (uint8_t *dst, uint8_t *src,
49 int stride, int h, int x, int y);
51 void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
52 int stride, int h, int x, int y);
53 void ff_avg_h264_chroma_mc4_ssse3 (uint8_t *dst, uint8_t *src,
54 int stride, int h, int x, int y);
56 #define CHROMA_MC(OP, NUM, DEPTH, OPT) \
57 void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT \
58 (uint8_t *dst, uint8_t *src, \
59 int stride, int h, int x, int y);
61 CHROMA_MC(put, 2, 10, mmxext)
62 CHROMA_MC(avg, 2, 10, mmxext)
63 CHROMA_MC(put, 4, 10, mmxext)
64 CHROMA_MC(avg, 4, 10, mmxext)
65 CHROMA_MC(put, 8, 10, sse2)
66 CHROMA_MC(avg, 8, 10, sse2)
67 CHROMA_MC(put, 8, 10, avx)
68 CHROMA_MC(avg, 8, 10, avx)
70 av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
73 int high_bit_depth = bit_depth > 8;
74 int cpu_flags = av_get_cpu_flags();
76 if (EXTERNAL_MMX(cpu_flags) && !high_bit_depth) {
77 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_mmx;
78 c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmx;
81 if (EXTERNAL_AMD3DNOW(cpu_flags) && !high_bit_depth) {
82 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_3dnow;
83 c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_3dnow;
86 if (EXTERNAL_MMXEXT(cpu_flags) && !high_bit_depth) {
87 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_mmxext;
88 c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmxext;
89 c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_mmxext;
90 c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_mmxext;
93 if (EXTERNAL_MMXEXT(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
94 c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_10_mmxext;
95 c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_10_mmxext;
96 c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_10_mmxext;
97 c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_10_mmxext;
100 if (EXTERNAL_SSE2(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
101 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_sse2;
102 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_sse2;
105 if (EXTERNAL_SSSE3(cpu_flags) && !high_bit_depth) {
106 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_ssse3;
107 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_ssse3;
108 c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_ssse3;
109 c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_ssse3;
112 if (EXTERNAL_AVX(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
113 // AVX implies !cache64.
114 // TODO: Port cache(32|64) detection from x264.
115 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
116 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;