FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
audio_convert_init.c
Go to the documentation of this file.
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_convert.h"
25 
26 /* flat conversions */
27 
28 void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len);
29 
30 void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len);
31 void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len);
32 
33 void ff_conv_s32_to_s16_mmx (int16_t *dst, const int32_t *src, int len);
34 void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len);
35 
36 void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len);
37 void ff_conv_s32_to_flt_avx (float *dst, const int32_t *src, int len);
38 
39 void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len);
40 
41 void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len);
42 void ff_conv_flt_to_s32_avx (int32_t *dst, const float *src, int len);
43 
44 /* interleave conversions */
45 
46 void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src,
47  int len, int channels);
48 void ff_conv_s16p_to_s16_2ch_avx (int16_t *dst, int16_t *const *src,
49  int len, int channels);
50 
51 void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src,
52  int len, int channels);
53 void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src,
54  int len, int channels);
55 void ff_conv_s16p_to_s16_6ch_avx (int16_t *dst, int16_t *const *src,
56  int len, int channels);
57 
58 void ff_conv_s16p_to_flt_2ch_sse2(float *dst, int16_t *const *src,
59  int len, int channels);
60 void ff_conv_s16p_to_flt_2ch_avx (float *dst, int16_t *const *src,
61  int len, int channels);
62 
63 void ff_conv_s16p_to_flt_6ch_sse2 (float *dst, int16_t *const *src,
64  int len, int channels);
65 void ff_conv_s16p_to_flt_6ch_ssse3(float *dst, int16_t *const *src,
66  int len, int channels);
67 void ff_conv_s16p_to_flt_6ch_avx (float *dst, int16_t *const *src,
68  int len, int channels);
69 
70 void ff_conv_fltp_to_s16_2ch_sse2 (int16_t *dst, float *const *src,
71  int len, int channels);
72 void ff_conv_fltp_to_s16_2ch_ssse3(int16_t *dst, float *const *src,
73  int len, int channels);
74 
75 void ff_conv_fltp_to_s16_6ch_sse (int16_t *dst, float *const *src,
76  int len, int channels);
77 void ff_conv_fltp_to_s16_6ch_sse2(int16_t *dst, float *const *src,
78  int len, int channels);
79 void ff_conv_fltp_to_s16_6ch_avx (int16_t *dst, float *const *src,
80  int len, int channels);
81 
82 void ff_conv_fltp_to_flt_2ch_sse(float *dst, float *const *src, int len,
83  int channels);
84 void ff_conv_fltp_to_flt_2ch_avx(float *dst, float *const *src, int len,
85  int channels);
86 
87 void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len,
88  int channels);
89 void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len,
90  int channels);
91 void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len,
92  int channels);
93 
94 /* deinterleave conversions */
95 
96 void ff_conv_s16_to_s16p_2ch_sse2(int16_t *const *dst, int16_t *src,
97  int len, int channels);
98 void ff_conv_s16_to_s16p_2ch_ssse3(int16_t *const *dst, int16_t *src,
99  int len, int channels);
100 void ff_conv_s16_to_s16p_2ch_avx (int16_t *const *dst, int16_t *src,
101  int len, int channels);
102 
103 void ff_conv_s16_to_s16p_6ch_sse2 (int16_t *const *dst, int16_t *src,
104  int len, int channels);
105 void ff_conv_s16_to_s16p_6ch_ssse3(int16_t *const *dst, int16_t *src,
106  int len, int channels);
107 void ff_conv_s16_to_s16p_6ch_avx (int16_t *const *dst, int16_t *src,
108  int len, int channels);
109 
110 void ff_conv_s16_to_fltp_2ch_sse2(float *const *dst, int16_t *src,
111  int len, int channels);
112 void ff_conv_s16_to_fltp_2ch_avx (float *const *dst, int16_t *src,
113  int len, int channels);
114 
115 void ff_conv_s16_to_fltp_6ch_sse2 (float *const *dst, int16_t *src,
116  int len, int channels);
117 void ff_conv_s16_to_fltp_6ch_ssse3(float *const *dst, int16_t *src,
118  int len, int channels);
119 void ff_conv_s16_to_fltp_6ch_sse4 (float *const *dst, int16_t *src,
120  int len, int channels);
121 void ff_conv_s16_to_fltp_6ch_avx (float *const *dst, int16_t *src,
122  int len, int channels);
123 
124 void ff_conv_flt_to_s16p_2ch_sse2(int16_t *const *dst, float *src,
125  int len, int channels);
126 void ff_conv_flt_to_s16p_2ch_avx (int16_t *const *dst, float *src,
127  int len, int channels);
128 
129 void ff_conv_flt_to_s16p_6ch_sse2 (int16_t *const *dst, float *src,
130  int len, int channels);
131 void ff_conv_flt_to_s16p_6ch_ssse3(int16_t *const *dst, float *src,
132  int len, int channels);
133 void ff_conv_flt_to_s16p_6ch_avx (int16_t *const *dst, float *src,
134  int len, int channels);
135 
136 void ff_conv_flt_to_fltp_2ch_sse(float *const *dst, float *src, int len,
137  int channels);
138 void ff_conv_flt_to_fltp_2ch_avx(float *const *dst, float *src, int len,
139  int channels);
140 
141 void ff_conv_flt_to_fltp_6ch_sse2(float *const *dst, float *src, int len,
142  int channels);
143 void ff_conv_flt_to_fltp_6ch_avx (float *const *dst, float *src, int len,
144  int channels);
145 
146 av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
147 {
148  int cpu_flags = av_get_cpu_flags();
149 
150  if (EXTERNAL_MMX(cpu_flags)) {
151  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
152  0, 1, 8, "MMX", ff_conv_s32_to_s16_mmx);
153  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
154  6, 1, 4, "MMX", ff_conv_fltp_to_flt_6ch_mmx);
155  }
156  if (EXTERNAL_SSE(cpu_flags)) {
157  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
158  6, 1, 2, "SSE", ff_conv_fltp_to_s16_6ch_sse);
159  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
160  2, 16, 8, "SSE", ff_conv_fltp_to_flt_2ch_sse);
161  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
162  2, 16, 4, "SSE", ff_conv_flt_to_fltp_2ch_sse);
163  }
164  if (EXTERNAL_SSE2(cpu_flags)) {
165  if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
166  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32,
167  0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2);
168  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
169  6, 16, 8, "SSE2", ff_conv_s16p_to_s16_6ch_sse2);
170  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
171  6, 16, 4, "SSE2", ff_conv_fltp_to_s16_6ch_sse2);
172  } else {
173  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
174  6, 1, 4, "SSE2SLOW", ff_conv_s16p_to_s16_6ch_sse2slow);
175  }
176  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16,
177  0, 16, 8, "SSE2", ff_conv_s16_to_s32_sse2);
178  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16,
179  0, 16, 8, "SSE2", ff_conv_s16_to_flt_sse2);
180  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
181  0, 16, 8, "SSE2", ff_conv_s32_to_flt_sse2);
182  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLT,
183  0, 16, 16, "SSE2", ff_conv_flt_to_s16_sse2);
184  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT,
185  0, 16, 16, "SSE2", ff_conv_flt_to_s32_sse2);
186  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
187  2, 16, 16, "SSE2", ff_conv_s16p_to_s16_2ch_sse2);
188  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
189  2, 16, 8, "SSE2", ff_conv_s16p_to_flt_2ch_sse2);
190  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
191  6, 16, 4, "SSE2", ff_conv_s16p_to_flt_6ch_sse2);
192  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
193  2, 16, 4, "SSE2", ff_conv_fltp_to_s16_2ch_sse2);
194  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
195  2, 16, 8, "SSE2", ff_conv_s16_to_s16p_2ch_sse2);
196  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
197  6, 16, 4, "SSE2", ff_conv_s16_to_s16p_6ch_sse2);
198  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
199  2, 16, 8, "SSE2", ff_conv_s16_to_fltp_2ch_sse2);
200  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
201  6, 16, 4, "SSE2", ff_conv_s16_to_fltp_6ch_sse2);
202  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
203  2, 16, 8, "SSE2", ff_conv_flt_to_s16p_2ch_sse2);
204  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
205  6, 16, 4, "SSE2", ff_conv_flt_to_s16p_6ch_sse2);
206  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
207  6, 16, 4, "SSE2", ff_conv_flt_to_fltp_6ch_sse2);
208  }
209  if (EXTERNAL_SSSE3(cpu_flags)) {
210  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
211  6, 16, 4, "SSSE3", ff_conv_s16p_to_flt_6ch_ssse3);
212  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
213  2, 16, 4, "SSSE3", ff_conv_fltp_to_s16_2ch_ssse3);
214  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
215  2, 16, 8, "SSSE3", ff_conv_s16_to_s16p_2ch_ssse3);
216  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
217  6, 16, 4, "SSSE3", ff_conv_s16_to_s16p_6ch_ssse3);
218  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
219  6, 16, 4, "SSSE3", ff_conv_s16_to_fltp_6ch_ssse3);
220  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
221  6, 16, 4, "SSSE3", ff_conv_flt_to_s16p_6ch_ssse3);
222  }
223  if (EXTERNAL_SSE4(cpu_flags)) {
224  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16,
225  0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4);
226  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
227  6, 16, 4, "SSE4", ff_conv_fltp_to_flt_6ch_sse4);
228  }
229  if (EXTERNAL_AVX_FAST(cpu_flags)) {
230  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
231  0, 32, 16, "AVX", ff_conv_s32_to_flt_avx);
232  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_FLT,
233  0, 32, 32, "AVX", ff_conv_flt_to_s32_avx);
234  }
235  if (EXTERNAL_AVX(cpu_flags)) {
236  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
237  2, 16, 16, "AVX", ff_conv_s16p_to_s16_2ch_avx);
238  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P,
239  6, 16, 8, "AVX", ff_conv_s16p_to_s16_6ch_avx);
240  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
241  2, 16, 8, "AVX", ff_conv_s16p_to_flt_2ch_avx);
242  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
243  6, 16, 4, "AVX", ff_conv_s16p_to_flt_6ch_avx);
244  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
245  6, 16, 4, "AVX", ff_conv_fltp_to_s16_6ch_avx);
246  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
247  6, 16, 4, "AVX", ff_conv_fltp_to_flt_6ch_avx);
248  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
249  2, 16, 8, "AVX", ff_conv_s16_to_s16p_2ch_avx);
250  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
251  6, 16, 4, "AVX", ff_conv_s16_to_s16p_6ch_avx);
252  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
253  2, 16, 8, "AVX", ff_conv_s16_to_fltp_2ch_avx);
254  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
255  6, 16, 4, "AVX", ff_conv_s16_to_fltp_6ch_avx);
256  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
257  2, 16, 8, "AVX", ff_conv_flt_to_s16p_2ch_avx);
258  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_FLT,
259  6, 16, 4, "AVX", ff_conv_flt_to_s16p_6ch_avx);
260  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
261  2, 16, 4, "AVX", ff_conv_flt_to_fltp_2ch_avx);
262  ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_FLT,
263  6, 16, 4, "AVX", ff_conv_flt_to_fltp_6ch_avx);
264  }
265 }
EXTERNAL_MMX
#define EXTERNAL_MMX(flags)
Definition: cpu.h:54
AV_SAMPLE_FMT_FLTP
float, planar
Definition: samplefmt.h:70
audio_convert.h
ff_conv_s32_to_s16_sse2
void ff_conv_s32_to_s16_sse2(int16_t *dst, const int32_t *src, int len)
ff_conv_s16_to_s32_sse2
void ff_conv_s16_to_s32_sse2(int16_t *dst, const int32_t *src, int len)
ff_conv_s16_to_flt_sse4
void ff_conv_s16_to_flt_sse4(float *dst, const int16_t *src, int len)
ff_conv_s16_to_fltp_6ch_ssse3
void ff_conv_s16_to_fltp_6ch_ssse3(float *const *dst, int16_t *src, int len, int channels)
ff_conv_s16p_to_flt_2ch_sse2
void ff_conv_s16p_to_flt_2ch_sse2(float *dst, int16_t *const *src, int len, int channels)
ff_conv_s16p_to_s16_6ch_avx
void ff_conv_s16p_to_s16_6ch_avx(int16_t *dst, int16_t *const *src, int len, int channels)
ff_conv_s32_to_flt_avx
void ff_conv_s32_to_flt_avx(float *dst, const int32_t *src, int len)
ff_conv_fltp_to_flt_6ch_mmx
void ff_conv_fltp_to_flt_6ch_mmx(float *dst, float *const *src, int len, int channels)
ff_conv_s32_to_s16_mmx
void ff_conv_s32_to_s16_mmx(int16_t *dst, const int32_t *src, int len)
ff_conv_s32_to_flt_sse2
void ff_conv_s32_to_flt_sse2(float *dst, const int32_t *src, int len)
ff_conv_fltp_to_flt_2ch_sse
void ff_conv_fltp_to_flt_2ch_sse(float *dst, float *const *src, int len, int channels)
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:56
AV_SAMPLE_FMT_FLT
float
Definition: samplefmt.h:64
ff_conv_fltp_to_flt_2ch_avx
void ff_conv_fltp_to_flt_2ch_avx(float *dst, float *const *src, int len, int channels)
ff_conv_flt_to_fltp_2ch_sse
void ff_conv_flt_to_fltp_2ch_sse(float *const *dst, float *src, int len, int channels)
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:64
av_cold
#define av_cold
Definition: attributes.h:82
ff_conv_flt_to_fltp_6ch_avx
void ff_conv_flt_to_fltp_6ch_avx(float *const *dst, float *src, int len, int channels)
ff_conv_flt_to_s16p_6ch_sse2
void ff_conv_flt_to_s16p_6ch_sse2(int16_t *const *dst, float *src, int len, int channels)
ff_conv_s16_to_s16p_6ch_ssse3
void ff_conv_s16_to_s16p_6ch_ssse3(int16_t *const *dst, int16_t *src, int len, int channels)
EXTERNAL_AVX_FAST
#define EXTERNAL_AVX_FAST(flags)
Definition: cpu.h:67
ff_conv_fltp_to_s16_6ch_avx
void ff_conv_fltp_to_s16_6ch_avx(int16_t *dst, float *const *src, int len, int channels)
AV_CPU_FLAG_SSE2SLOW
#define AV_CPU_FLAG_SSE2SLOW
SSE2 supported, but usually not faster.
Definition: cpu.h:35
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:57
ff_conv_fltp_to_flt_6ch_avx
void ff_conv_fltp_to_flt_6ch_avx(float *dst, float *const *src, int len, int channels)
AV_SAMPLE_FMT_S32
signed 32 bits
Definition: samplefmt.h:63
ff_conv_flt_to_s16p_2ch_sse2
void ff_conv_flt_to_s16p_2ch_sse2(int16_t *const *dst, float *src, int len, int channels)
ff_conv_fltp_to_s16_6ch_sse
void ff_conv_fltp_to_s16_6ch_sse(int16_t *dst, float *const *src, int len, int channels)
ff_conv_fltp_to_flt_6ch_sse4
void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len, int channels)
ff_conv_s16_to_s16p_2ch_avx
void ff_conv_s16_to_s16p_2ch_avx(int16_t *const *dst, int16_t *src, int len, int channels)
ff_conv_flt_to_fltp_2ch_avx
void ff_conv_flt_to_fltp_2ch_avx(float *const *dst, float *src, int len, int channels)
ff_conv_flt_to_s16p_6ch_avx
void ff_conv_flt_to_s16p_6ch_avx(int16_t *const *dst, float *src, int len, int channels)
ff_conv_s16_to_fltp_6ch_sse2
void ff_conv_s16_to_fltp_6ch_sse2(float *const *dst, int16_t *src, int len, int channels)
ff_conv_s16_to_fltp_2ch_sse2
void ff_conv_s16_to_fltp_2ch_sse2(float *const *dst, int16_t *src, int len, int channels)
ff_conv_flt_to_s32_avx
void ff_conv_flt_to_s32_avx(int32_t *dst, const float *src, int len)
ff_conv_s16p_to_flt_6ch_avx
void ff_conv_s16p_to_flt_6ch_avx(float *dst, int16_t *const *src, int len, int channels)
ff_conv_fltp_to_s16_2ch_sse2
void ff_conv_fltp_to_s16_2ch_sse2(int16_t *dst, float *const *src, int len, int channels)
ff_conv_s16p_to_s16_6ch_sse2
void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src, int len, int channels)
int32_t
int32_t
Definition: audio_convert.c:194
src
#define src
Definition: vp9dsp.c:530
ff_conv_s16_to_s16p_6ch_sse2
void ff_conv_s16_to_s16p_6ch_sse2(int16_t *const *dst, int16_t *src, int len, int channels)
ff_conv_s16_to_s16p_2ch_sse2
void ff_conv_s16_to_s16p_2ch_sse2(int16_t *const *dst, int16_t *src, int len, int channels)
ff_conv_s16_to_fltp_6ch_avx
void ff_conv_s16_to_fltp_6ch_avx(float *const *dst, int16_t *src, int len, int channels)
ff_conv_flt_to_s16_sse2
void ff_conv_flt_to_s16_sse2(int16_t *dst, const float *src, int len)
ff_conv_s16_to_fltp_2ch_avx
void ff_conv_s16_to_fltp_2ch_avx(float *const *dst, int16_t *src, int len, int channels)
ff_audio_convert_init_x86
av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
Definition: audio_convert_init.c:146
ff_conv_flt_to_fltp_6ch_sse2
void ff_conv_flt_to_fltp_6ch_sse2(float *const *dst, float *src, int len, int channels)
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:63
ff_conv_flt_to_s16p_2ch_avx
void ff_conv_flt_to_s16p_2ch_avx(int16_t *const *dst, float *src, int len, int channels)
ff_conv_s16_to_fltp_6ch_sse4
void ff_conv_s16_to_fltp_6ch_sse4(float *const *dst, int16_t *src, int len, int channels)
ff_conv_flt_to_s32_sse2
void ff_conv_flt_to_s32_sse2(int32_t *dst, const float *src, int len)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:76
ff_conv_s16_to_flt_sse2
void ff_conv_s16_to_flt_sse2(float *dst, const int16_t *src, int len)
ff_conv_fltp_to_s16_2ch_ssse3
void ff_conv_fltp_to_s16_2ch_ssse3(int16_t *dst, float *const *src, int len, int channels)
ff_conv_s16_to_s16p_2ch_ssse3
void ff_conv_s16_to_s16p_2ch_ssse3(int16_t *const *dst, int16_t *src, int len, int channels)
ff_conv_s16p_to_flt_6ch_ssse3
void ff_conv_s16p_to_flt_6ch_ssse3(float *dst, int16_t *const *src, int len, int channels)
ff_conv_s16_to_s16p_6ch_avx
void ff_conv_s16_to_s16p_6ch_avx(int16_t *const *dst, int16_t *src, int len, int channels)
AV_SAMPLE_FMT_S16
signed 16 bits
Definition: samplefmt.h:62
ff_conv_s16p_to_s16_2ch_sse2
void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src, int len, int channels)
ff_conv_s16p_to_s16_2ch_avx
void ff_conv_s16p_to_s16_2ch_avx(int16_t *dst, int16_t *const *src, int len, int channels)
len
int len
Definition: vorbis_enc_data.h:452
ff_conv_s16p_to_flt_6ch_sse2
void ff_conv_s16p_to_flt_6ch_sse2(float *dst, int16_t *const *src, int len, int channels)
ff_conv_s16p_to_flt_2ch_avx
void ff_conv_s16p_to_flt_2ch_avx(float *dst, int16_t *const *src, int len, int channels)
ff_audio_convert_set_func
void ff_audio_convert_set_func(AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int ptr_align, int samples_align, const char *descr, void *conv)
Set conversion function if the parameters match.
Definition: audio_convert.c:70
ff_conv_fltp_to_s16_6ch_sse2
void ff_conv_fltp_to_s16_6ch_sse2(int16_t *dst, float *const *src, int len, int channels)
AV_SAMPLE_FMT_S16P
signed 16 bits, planar
Definition: samplefmt.h:68
ff_conv_s16p_to_s16_6ch_sse2slow
void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src, int len, int channels)
ff_conv_flt_to_s16p_6ch_ssse3
void ff_conv_flt_to_s16p_6ch_ssse3(int16_t *const *dst, float *src, int len, int channels)
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:66
Generated on Mon Feb 15 2016 15:20:47 for FFmpeg by   doxygen 1.8.6