1/*
2 * This file is part of FFmpeg.
3 *
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.
8 *
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.
13 *
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
17 */
18
19#include <stdint.h>
20
21#include "config.h"
22#include "libavutil/attributes.h"
23#include "libavutil/cpu.h"
24#include "libavutil/x86/cpu.h"
25#include "libavcodec/h264chroma.h"
26
27void ff_put_h264_chroma_mc8_rnd_mmx  (uint8_t *dst, uint8_t *src,
28                                      int stride, int h, int x, int y);
29void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
30                                       int stride, int h, int x, int y);
31void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
32                                      int stride, int h, int x, int y);
33
34void ff_put_h264_chroma_mc4_mmx      (uint8_t *dst, uint8_t *src,
35                                      int stride, int h, int x, int y);
36void ff_avg_h264_chroma_mc4_mmxext   (uint8_t *dst, uint8_t *src,
37                                      int stride, int h, int x, int y);
38void ff_avg_h264_chroma_mc4_3dnow    (uint8_t *dst, uint8_t *src,
39                                      int stride, int h, int x, int y);
40
41void ff_put_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
42                                      int stride, int h, int x, int y);
43void ff_avg_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
44                                      int stride, int h, int x, int y);
45
46void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
47                                      int stride, int h, int x, int y);
48void ff_put_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
49                                      int stride, int h, int x, int y);
50
51void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
52                                      int stride, int h, int x, int y);
53void ff_avg_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
54                                      int stride, int h, int x, int y);
55
56#define CHROMA_MC(OP, NUM, DEPTH, OPT)                                  \
57void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT      \
58                                      (uint8_t *dst, uint8_t *src,      \
59                                       int stride, int h, int x, int y);
60
61CHROMA_MC(put, 2, 10, mmxext)
62CHROMA_MC(avg, 2, 10, mmxext)
63CHROMA_MC(put, 4, 10, mmxext)
64CHROMA_MC(avg, 4, 10, mmxext)
65CHROMA_MC(put, 8, 10, sse2)
66CHROMA_MC(avg, 8, 10, sse2)
67CHROMA_MC(put, 8, 10, avx)
68CHROMA_MC(avg, 8, 10, avx)
69
70av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
71{
72    int high_bit_depth = bit_depth > 8;
73    int cpu_flags      = av_get_cpu_flags();
74
75    if (EXTERNAL_MMX(cpu_flags) && !high_bit_depth) {
76        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_mmx;
77        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmx;
78    }
79
80    if (EXTERNAL_AMD3DNOW(cpu_flags) && !high_bit_depth) {
81        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_3dnow;
82        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_3dnow;
83    }
84
85    if (EXTERNAL_MMXEXT(cpu_flags) && !high_bit_depth) {
86        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_mmxext;
87        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmxext;
88        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_mmxext;
89        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_mmxext;
90    }
91
92    if (EXTERNAL_MMXEXT(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
93        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_10_mmxext;
94        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_10_mmxext;
95        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_10_mmxext;
96        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_10_mmxext;
97    }
98
99    if (EXTERNAL_SSE2(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
100        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_sse2;
101        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_sse2;
102    }
103
104    if (EXTERNAL_SSSE3(cpu_flags) && !high_bit_depth) {
105        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_ssse3;
106        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_ssse3;
107        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_ssse3;
108        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_ssse3;
109    }
110
111    if (EXTERNAL_AVX(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
112        // AVX implies !cache64.
113        // TODO: Port cache(32|64) detection from x264.
114        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
115        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;
116    }
117}
118