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h264chroma_init.c
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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 
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);
33 
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);
40 
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);
45 
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);
50 
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);
55 
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);
60 
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)
69 
70 av_cold void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth)
71 {
72 #if HAVE_YASM
73  int high_bit_depth = bit_depth > 8;
74  int cpu_flags = av_get_cpu_flags();
75 
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;
79  }
80 
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;
84  }
85 
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;
91  }
92 
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;
98  }
99 
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;
103  }
104 
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;
110  }
111 
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;
117  }
118 #endif
119 }
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