Blame view

ffmpeg-4.2.2/libavutil/x86/float_dsp_init.c 5.28 KB
aac5773f   hucm   功能基本完成,接口待打磨
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
  /*
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #include "config.h"
  
  #include "libavutil/attributes.h"
  #include "libavutil/cpu.h"
  #include "libavutil/float_dsp.h"
  #include "cpu.h"
  #include "asm.h"
  
  void ff_vector_fmul_sse(float *dst, const float *src0, const float *src1,
                          int len);
  void ff_vector_fmul_avx(float *dst, const float *src0, const float *src1,
                          int len);
  
  void ff_vector_dmul_sse2(double *dst, const double *src0, const double *src1,
                           int len);
  void ff_vector_dmul_avx(double *dst, const double *src0, const double *src1,
                          int len);
  
  void ff_vector_fmac_scalar_sse(float *dst, const float *src, float mul,
                                 int len);
  void ff_vector_fmac_scalar_avx(float *dst, const float *src, float mul,
                                 int len);
  void ff_vector_fmac_scalar_fma3(float *dst, const float *src, float mul,
                                  int len);
  
  void ff_vector_fmul_scalar_sse(float *dst, const float *src, float mul,
                                 int len);
  
  void ff_vector_dmac_scalar_sse2(double *dst, const double *src, double mul,
                                  int len);
  void ff_vector_dmac_scalar_avx(double *dst, const double *src, double mul,
                                 int len);
  void ff_vector_dmac_scalar_fma3(double *dst, const double *src, double mul,
                                  int len);
  
  void ff_vector_dmul_scalar_sse2(double *dst, const double *src,
                                  double mul, int len);
  void ff_vector_dmul_scalar_avx(double *dst, const double *src,
                                 double mul, int len);
  
  void ff_vector_fmul_window_3dnowext(float *dst, const float *src0,
                                      const float *src1, const float *win, int len);
  void ff_vector_fmul_window_sse(float *dst, const float *src0,
                                 const float *src1, const float *win, int len);
  
  void ff_vector_fmul_add_sse(float *dst, const float *src0, const float *src1,
                              const float *src2, int len);
  void ff_vector_fmul_add_avx(float *dst, const float *src0, const float *src1,
                              const float *src2, int len);
  void ff_vector_fmul_add_fma3(float *dst, const float *src0, const float *src1,
                               const float *src2, int len);
  
  void ff_vector_fmul_reverse_sse(float *dst, const float *src0,
                                  const float *src1, int len);
  void ff_vector_fmul_reverse_avx(float *dst, const float *src0,
                                  const float *src1, int len);
  void ff_vector_fmul_reverse_avx2(float *dst, const float *src0,
                                   const float *src1, int len);
  
  float ff_scalarproduct_float_sse(const float *v1, const float *v2, int order);
  
  void ff_butterflies_float_sse(float *av_restrict src0, float *av_restrict src1, int len);
  
  av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
  {
      int cpu_flags = av_get_cpu_flags();
  
      if (EXTERNAL_AMD3DNOWEXT(cpu_flags)) {
          fdsp->vector_fmul_window = ff_vector_fmul_window_3dnowext;
      }
      if (EXTERNAL_SSE(cpu_flags)) {
          fdsp->vector_fmul = ff_vector_fmul_sse;
          fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
          fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
          fdsp->vector_fmul_window = ff_vector_fmul_window_sse;
          fdsp->vector_fmul_add    = ff_vector_fmul_add_sse;
          fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
          fdsp->scalarproduct_float = ff_scalarproduct_float_sse;
          fdsp->butterflies_float   = ff_butterflies_float_sse;
      }
      if (EXTERNAL_SSE2(cpu_flags)) {
          fdsp->vector_dmul = ff_vector_dmul_sse2;
          fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_sse2;
          fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
      }
      if (EXTERNAL_AVX_FAST(cpu_flags)) {
          fdsp->vector_fmul = ff_vector_fmul_avx;
          fdsp->vector_dmul = ff_vector_dmul_avx;
          fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;
          fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx;
          fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_avx;
          fdsp->vector_fmul_add    = ff_vector_fmul_add_avx;
          fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
      }
      if (EXTERNAL_AVX2_FAST(cpu_flags)) {
          fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx2;
      }
      if (EXTERNAL_FMA3_FAST(cpu_flags)) {
          fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_fma3;
          fdsp->vector_fmul_add    = ff_vector_fmul_add_fma3;
          fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_fma3;
      }
  }