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