FFmpeg  4.0
audio_mix_init.c
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1 /*
2  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "config.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavresample/audio_mix.h"
25 
26 void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len,
27  int out_ch, int in_ch);
28 void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len,
29  int out_ch, int in_ch);
30 
31 void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len,
32  int out_ch, int in_ch);
33 void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
34  int out_ch, int in_ch);
35 
36 void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
37  int len, int out_ch, int in_ch);
38 
39 void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
40  int out_ch, int in_ch);
41 void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
42  int out_ch, int in_ch);
43 
44 void ff_mix_1_to_2_s16p_flt_sse2(int16_t **src, float **matrix, int len,
45  int out_ch, int in_ch);
46 void ff_mix_1_to_2_s16p_flt_sse4(int16_t **src, float **matrix, int len,
47  int out_ch, int in_ch);
48 void ff_mix_1_to_2_s16p_flt_avx (int16_t **src, float **matrix, int len,
49  int out_ch, int in_ch);
50 
51 #define DEFINE_MIX_3_8_TO_1_2(chan) \
52 void ff_mix_ ## chan ## _to_1_fltp_flt_sse(float **src, \
53  float **matrix, int len, \
54  int out_ch, int in_ch); \
55 void ff_mix_ ## chan ## _to_2_fltp_flt_sse(float **src, \
56  float **matrix, int len, \
57  int out_ch, int in_ch); \
58  \
59 void ff_mix_ ## chan ## _to_1_s16p_flt_sse2(int16_t **src, \
60  float **matrix, int len, \
61  int out_ch, int in_ch); \
62 void ff_mix_ ## chan ## _to_2_s16p_flt_sse2(int16_t **src, \
63  float **matrix, int len, \
64  int out_ch, int in_ch); \
65  \
66 void ff_mix_ ## chan ## _to_1_s16p_flt_sse4(int16_t **src, \
67  float **matrix, int len, \
68  int out_ch, int in_ch); \
69 void ff_mix_ ## chan ## _to_2_s16p_flt_sse4(int16_t **src, \
70  float **matrix, int len, \
71  int out_ch, int in_ch); \
72  \
73 void ff_mix_ ## chan ## _to_1_fltp_flt_avx(float **src, \
74  float **matrix, int len, \
75  int out_ch, int in_ch); \
76 void ff_mix_ ## chan ## _to_2_fltp_flt_avx(float **src, \
77  float **matrix, int len, \
78  int out_ch, int in_ch); \
79  \
80 void ff_mix_ ## chan ## _to_1_s16p_flt_avx(int16_t **src, \
81  float **matrix, int len, \
82  int out_ch, int in_ch); \
83 void ff_mix_ ## chan ## _to_2_s16p_flt_avx(int16_t **src, \
84  float **matrix, int len, \
85  int out_ch, int in_ch); \
86  \
87 void ff_mix_ ## chan ## _to_1_fltp_flt_fma4(float **src, \
88  float **matrix, int len, \
89  int out_ch, int in_ch); \
90 void ff_mix_ ## chan ## _to_2_fltp_flt_fma4(float **src, \
91  float **matrix, int len, \
92  int out_ch, int in_ch); \
93  \
94 void ff_mix_ ## chan ## _to_1_s16p_flt_fma4(int16_t **src, \
95  float **matrix, int len, \
96  int out_ch, int in_ch); \
97 void ff_mix_ ## chan ## _to_2_s16p_flt_fma4(int16_t **src, \
98  float **matrix, int len, \
99  int out_ch, int in_ch);
100 
101 DEFINE_MIX_3_8_TO_1_2(3)
102 DEFINE_MIX_3_8_TO_1_2(4)
103 DEFINE_MIX_3_8_TO_1_2(5)
104 DEFINE_MIX_3_8_TO_1_2(6)
105 DEFINE_MIX_3_8_TO_1_2(7)
106 DEFINE_MIX_3_8_TO_1_2(8)
107 
108 #define SET_MIX_3_8_TO_1_2(chan) \
109  if (EXTERNAL_SSE(cpu_flags)) { \
110  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
111  chan, 1, 16, 4, "SSE", \
112  ff_mix_ ## chan ## _to_1_fltp_flt_sse); \
113  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
114  chan, 2, 16, 4, "SSE", \
115  ff_mix_## chan ##_to_2_fltp_flt_sse); \
116  } \
117  if (EXTERNAL_SSE2(cpu_flags)) { \
118  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
119  chan, 1, 16, 8, "SSE2", \
120  ff_mix_ ## chan ## _to_1_s16p_flt_sse2); \
121  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
122  chan, 2, 16, 8, "SSE2", \
123  ff_mix_ ## chan ## _to_2_s16p_flt_sse2); \
124  } \
125  if (EXTERNAL_SSE4(cpu_flags)) { \
126  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
127  chan, 1, 16, 8, "SSE4", \
128  ff_mix_ ## chan ## _to_1_s16p_flt_sse4); \
129  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
130  chan, 2, 16, 8, "SSE4", \
131  ff_mix_ ## chan ## _to_2_s16p_flt_sse4); \
132  } \
133  if (EXTERNAL_AVX(cpu_flags)) { \
134  int ptr_align = 32; \
135  int smp_align = 8; \
136  if (ARCH_X86_32 || chan >= 6) { \
137  ptr_align = 16; \
138  smp_align = 4; \
139  } \
140  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
141  chan, 1, ptr_align, smp_align, "AVX", \
142  ff_mix_ ## chan ## _to_1_fltp_flt_avx); \
143  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
144  chan, 2, ptr_align, smp_align, "AVX", \
145  ff_mix_ ## chan ## _to_2_fltp_flt_avx); \
146  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
147  chan, 1, 16, 8, "AVX", \
148  ff_mix_ ## chan ## _to_1_s16p_flt_avx); \
149  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
150  chan, 2, 16, 8, "AVX", \
151  ff_mix_ ## chan ## _to_2_s16p_flt_avx); \
152  } \
153  if (EXTERNAL_FMA4(cpu_flags)) { \
154  int ptr_align = 32; \
155  int smp_align = 8; \
156  if (ARCH_X86_32 || chan >= 6) { \
157  ptr_align = 16; \
158  smp_align = 4; \
159  } \
160  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
161  chan, 1, ptr_align, smp_align, "FMA4", \
162  ff_mix_ ## chan ## _to_1_fltp_flt_fma4); \
163  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,\
164  chan, 2, ptr_align, smp_align, "FMA4", \
165  ff_mix_ ## chan ## _to_2_fltp_flt_fma4); \
166  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
167  chan, 1, 16, 8, "FMA4", \
168  ff_mix_ ## chan ## _to_1_s16p_flt_fma4); \
169  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,\
170  chan, 2, 16, 8, "FMA4", \
171  ff_mix_ ## chan ## _to_2_s16p_flt_fma4); \
172  }
173 
174 av_cold void ff_audio_mix_init_x86(AudioMix *am)
175 {
176  int cpu_flags = av_get_cpu_flags();
177 
178  if (EXTERNAL_SSE(cpu_flags)) {
179  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
180  2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
181  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
182  1, 2, 16, 4, "SSE", ff_mix_1_to_2_fltp_flt_sse);
183  }
184  if (EXTERNAL_SSE2(cpu_flags)) {
185  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
186  2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2);
187  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_Q8,
188  2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_q8_sse2);
189  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
190  1, 2, 16, 8, "SSE2", ff_mix_1_to_2_s16p_flt_sse2);
191  }
192  if (EXTERNAL_SSE4(cpu_flags)) {
193  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
194  2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4);
195  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
196  1, 2, 16, 8, "SSE4", ff_mix_1_to_2_s16p_flt_sse4);
197  }
198  if (EXTERNAL_AVX_FAST(cpu_flags)) {
199  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
200  2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
201  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
202  1, 2, 32, 8, "AVX", ff_mix_1_to_2_fltp_flt_avx);
203  }
204  if (EXTERNAL_AVX(cpu_flags)) {
205  ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
206  1, 2, 16, 8, "AVX", ff_mix_1_to_2_s16p_flt_avx);
207  }
208 
209  SET_MIX_3_8_TO_1_2(3)
210  SET_MIX_3_8_TO_1_2(4)
211  SET_MIX_3_8_TO_1_2(5)
212  SET_MIX_3_8_TO_1_2(6)
213  SET_MIX_3_8_TO_1_2(7)
214  SET_MIX_3_8_TO_1_2(8)
215 }
AV_SAMPLE_FMT_FLTP
float, planar
Definition: samplefmt.h:69
AV_MIX_COEFF_TYPE_Q8
AV_MIX_COEFF_TYPE_Q8
Definition: avresample.h:113
ff_mix_2_to_1_fltp_flt_avx
void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len, int out_ch, int in_ch)
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:50
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
DEFINE_MIX_3_8_TO_1_2
#define DEFINE_MIX_3_8_TO_1_2(chan)
Definition: audio_mix_init.c:51
src
#define src
Definition: vp8dsp.c:254
ff_mix_1_to_2_fltp_flt_avx
void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len, int out_ch, int in_ch)
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
ff_mix_2_to_1_s16p_flt_sse2
void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len, int out_ch, int in_ch)
av_cold
#define av_cold
Definition: attributes.h:82
SET_MIX_3_8_TO_1_2
#define SET_MIX_3_8_TO_1_2(chan)
Definition: audio_mix_init.c:108
EXTERNAL_AVX_FAST
#define EXTERNAL_AVX_FAST(flags)
Definition: cpu.h:71
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
ff_mix_1_to_2_fltp_flt_sse
void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len, int out_ch, int in_ch)
ff_mix_2_to_1_s16p_flt_sse4
void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len, int out_ch, int in_ch)
audio_mix.h
ff_mix_1_to_2_s16p_flt_sse2
void ff_mix_1_to_2_s16p_flt_sse2(int16_t **src, float **matrix, int len, int out_ch, int in_ch)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
ff_mix_1_to_2_s16p_flt_sse4
void ff_mix_1_to_2_s16p_flt_sse4(int16_t **src, float **matrix, int len, int out_ch, int in_ch)
ff_mix_2_to_1_fltp_flt_sse
void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len, int out_ch, int in_ch)
ff_mix_1_to_2_s16p_flt_avx
void ff_mix_1_to_2_s16p_flt_avx(int16_t **src, float **matrix, int len, int out_ch, int in_ch)
len
int len
Definition: vorbis_enc_data.h:452
AV_MIX_COEFF_TYPE_FLT
AV_MIX_COEFF_TYPE_FLT
32-bit 17.15 fixed-point
Definition: avresample.h:113
ff_audio_mix_set_func
void ff_audio_mix_set_func(AudioMix *am, enum AVSampleFormat fmt, enum AVMixCoeffType coeff_type, int in_channels, int out_channels, int ptr_align, int samples_align, const char *descr, void *mix_func)
Set mixing function if the parameters match.
Definition: audio_mix.c:61
AV_SAMPLE_FMT_S16P
signed 16 bits, planar
Definition: samplefmt.h:67
ff_audio_mix_init_x86
av_cold void ff_audio_mix_init_x86(AudioMix *am)
Definition: audio_mix_init.c:174
ff_mix_2_to_1_s16p_q8_sse2
void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix, int len, int out_ch, int in_ch)
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
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