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 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/h264chroma.h"
27 
28 void ff_put_h264_chroma_mc8_rnd_mmx  (uint8_t *dst, uint8_t *src,
29                                       int stride, int h, int x, int y);
30 void ff_avg_h264_chroma_mc8_rnd_mmxext(uint8_t *dst, uint8_t *src,
31                                        int stride, int h, int x, int y);
32 void ff_avg_h264_chroma_mc8_rnd_3dnow(uint8_t *dst, uint8_t *src,
33                                       int stride, int h, int x, int y);
34 
35 void ff_put_h264_chroma_mc4_mmx      (uint8_t *dst, uint8_t *src,
36                                       int stride, int h, int x, int y);
37 void ff_avg_h264_chroma_mc4_mmxext   (uint8_t *dst, uint8_t *src,
38                                       int stride, int h, int x, int y);
39 void ff_avg_h264_chroma_mc4_3dnow    (uint8_t *dst, uint8_t *src,
40                                       int stride, int h, int x, int y);
41 
42 void ff_put_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
43                                       int stride, int h, int x, int y);
44 void ff_avg_h264_chroma_mc2_mmxext   (uint8_t *dst, uint8_t *src,
45                                       int stride, int h, int x, int y);
46 
47 void ff_put_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
48                                       int stride, int h, int x, int y);
49 void ff_put_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
50                                       int stride, int h, int x, int y);
51 
52 void ff_avg_h264_chroma_mc8_rnd_ssse3(uint8_t *dst, uint8_t *src,
53                                       int stride, int h, int x, int y);
54 void ff_avg_h264_chroma_mc4_ssse3    (uint8_t *dst, uint8_t *src,
55                                       int stride, int h, int x, int y);
56 
57 #define CHROMA_MC(OP, NUM, DEPTH, OPT)                                  \
58 void ff_ ## OP ## _h264_chroma_mc ## NUM ## _ ## DEPTH ## _ ## OPT      \
59                                       (uint8_t *dst, uint8_t *src,      \
60                                        int stride, int h, int x, int y);
61 
62 CHROMA_MC(put, 2, 10, mmxext)
63 CHROMA_MC(avg, 2, 10, mmxext)
64 CHROMA_MC(put, 4, 10, mmxext)
65 CHROMA_MC(avg, 4, 10, mmxext)
66 CHROMA_MC(put, 8, 10, sse2)
67 CHROMA_MC(avg, 8, 10, sse2)
68 CHROMA_MC(put, 8, 10, avx)
69 CHROMA_MC(avg, 8, 10, avx)
70 
ff_h264chroma_init_x86(H264ChromaContext * c,int bit_depth)71 av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
72 {
73     int high_bit_depth = bit_depth > 8;
74     int cpu_flags      = av_get_cpu_flags();
75 
76 #if (HAVE_MMX_EXTERNAL == 1)
77     if (EXTERNAL_MMX(cpu_flags) && !high_bit_depth) {
78         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_mmx;
79         c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmx;
80     }
81 #endif
82 
83 #if (HAVE_AMD3DNOW_EXTERNAL == 1)
84     if (EXTERNAL_AMD3DNOW(cpu_flags) && !high_bit_depth) {
85         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_3dnow;
86         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_3dnow;
87     }
88 #endif
89 
90 #if (HAVE_MMXEXT_EXTERNAL == 1)
91     if (EXTERNAL_MMXEXT(cpu_flags) && !high_bit_depth) {
92         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_mmxext;
93         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmxext;
94         c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_mmxext;
95         c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_mmxext;
96     }
97 
98     if (EXTERNAL_MMXEXT(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
99         c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_10_mmxext;
100         c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_10_mmxext;
101         c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_10_mmxext;
102         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_10_mmxext;
103     }
104 #endif
105 
106 #if (HAVE_SSE2_EXTERNAL == 1)
107     if (EXTERNAL_SSE2(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
108         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_sse2;
109         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_sse2;
110     }
111 #endif
112 
113 #if (HAVE_SSSE3_EXTERNAL == 1)
114     if (EXTERNAL_SSSE3(cpu_flags) && !high_bit_depth) {
115         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_rnd_ssse3;
116         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_rnd_ssse3;
117         c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_ssse3;
118         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_ssse3;
119     }
120 #endif
121 
122 #if (HAVE_AVX_EXTERNAL == 1)
123     if (EXTERNAL_AVX(cpu_flags) && bit_depth > 8 && bit_depth <= 10) {
124         // AVX implies !cache64.
125         // TODO: Port cache(32|64) detection from x264.
126         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_10_avx;
127         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_10_avx;
128     }
129 #endif
130 }
131