FFmpeg
audio_convert_init.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2012 Michael Niedermayer (michaelni@gmx.at)
3  *
4  * This file is part of libswresample
5  *
6  * libswresample 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  * libswresample 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 libswresample; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/x86/cpu.h"
22 #include "libswresample/swresample_internal.h"
23 #include "libswresample/audioconvert.h"
24 
25 #define PROTO(pre, in, out, cap) void ff ## pre ## in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
26 #define PROTO2(pre, out, cap) PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
27 #define PROTO3(pre, cap) PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
28 #define PROTO4(pre) PROTO3(pre, mmx) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx) PROTO3(pre, avx2)
29 PROTO4(_)
30 PROTO4(_pack_2ch_)
31 PROTO4(_pack_6ch_)
32 PROTO4(_pack_8ch_)
33 PROTO4(_unpack_2ch_)
34 PROTO4(_unpack_6ch_)
35 
36 av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
37  enum AVSampleFormat out_fmt,
38  enum AVSampleFormat in_fmt,
39  int channels){
40  int mm_flags = av_get_cpu_flags();
41 
42  ac->simd_f= NULL;
43 
44 //FIXME add memcpy case
45 
46 #define MULTI_CAPS_FUNC(flag, cap) \
47  if (EXTERNAL_##flag(mm_flags)) {\
48  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16P)\
49  ac->simd_f = ff_int16_to_int32_a_ ## cap;\
50  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32P)\
51  ac->simd_f = ff_int32_to_int16_a_ ## cap;\
52  }
53 
54 MULTI_CAPS_FUNC(MMX, mmx)
55 MULTI_CAPS_FUNC(SSE2, sse2)
56 
57  if(EXTERNAL_MMX(mm_flags)) {
58  if(channels == 6) {
59  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
60  ac->simd_f = ff_pack_6ch_float_to_float_a_mmx;
61  }
62  }
63  if(EXTERNAL_SSE(mm_flags)) {
64  if(channels == 6) {
65  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
66  ac->simd_f = ff_pack_6ch_float_to_float_a_sse;
67 
68  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S32)
69  ac->simd_f = ff_unpack_6ch_float_to_float_a_sse;
70  }
71  }
72  if(EXTERNAL_SSE2(mm_flags)) {
73  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P)
74  ac->simd_f = ff_int32_to_float_a_sse2;
75  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16P)
76  ac->simd_f = ff_int16_to_float_a_sse2;
77  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLTP)
78  ac->simd_f = ff_float_to_int32_a_sse2;
79  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP)
80  ac->simd_f = ff_float_to_int16_a_sse2;
81 
82  if(channels == 2) {
83  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
84  ac->simd_f = ff_pack_2ch_int32_to_int32_a_sse2;
85  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S16P)
86  ac->simd_f = ff_pack_2ch_int16_to_int16_a_sse2;
87  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16P)
88  ac->simd_f = ff_pack_2ch_int16_to_int32_a_sse2;
89  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S32P)
90  ac->simd_f = ff_pack_2ch_int32_to_int16_a_sse2;
91 
92  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S32)
93  ac->simd_f = ff_unpack_2ch_int32_to_int32_a_sse2;
94  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
95  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_sse2;
96  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
97  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_sse2;
98  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32)
99  ac->simd_f = ff_unpack_2ch_int32_to_int16_a_sse2;
100 
101  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
102  ac->simd_f = ff_pack_2ch_int32_to_float_a_sse2;
103  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
104  ac->simd_f = ff_pack_2ch_float_to_int32_a_sse2;
105  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16P)
106  ac->simd_f = ff_pack_2ch_int16_to_float_a_sse2;
107  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP)
108  ac->simd_f = ff_pack_2ch_float_to_int16_a_sse2;
109  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
110  ac->simd_f = ff_unpack_2ch_int32_to_float_a_sse2;
111  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
112  ac->simd_f = ff_unpack_2ch_float_to_int32_a_sse2;
113  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
114  ac->simd_f = ff_unpack_2ch_int16_to_float_a_sse2;
115  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLT)
116  ac->simd_f = ff_unpack_2ch_float_to_int16_a_sse2;
117  }
118  if(channels == 6) {
119  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
120  ac->simd_f = ff_pack_6ch_int32_to_float_a_sse2;
121  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
122  ac->simd_f = ff_pack_6ch_float_to_int32_a_sse2;
123 
124  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
125  ac->simd_f = ff_unpack_6ch_int32_to_float_a_sse2;
126  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
127  ac->simd_f = ff_unpack_6ch_float_to_int32_a_sse2;
128  }
129  if(channels == 8) {
130  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
131  ac->simd_f = ff_pack_8ch_float_to_float_a_sse2;
132  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
133  ac->simd_f = ff_pack_8ch_int32_to_float_a_sse2;
134  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
135  ac->simd_f = ff_pack_8ch_float_to_int32_a_sse2;
136  }
137  }
138  if(EXTERNAL_SSSE3(mm_flags)) {
139  if(channels == 2) {
140  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
141  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_ssse3;
142  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
143  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_ssse3;
144  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
145  ac->simd_f = ff_unpack_2ch_int16_to_float_a_ssse3;
146  }
147  }
148  if(EXTERNAL_AVX_FAST(mm_flags)) {
149  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32 || out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32P)
150  ac->simd_f = ff_int32_to_float_a_avx;
151  }
152  if(EXTERNAL_AVX(mm_flags)) {
153  if(channels == 6) {
154  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
155  ac->simd_f = ff_pack_6ch_float_to_float_a_avx;
156  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
157  ac->simd_f = ff_pack_6ch_int32_to_float_a_avx;
158  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
159  ac->simd_f = ff_pack_6ch_float_to_int32_a_avx;
160 
161  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S32)
162  ac->simd_f = ff_unpack_6ch_float_to_float_a_avx;
163  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
164  ac->simd_f = ff_unpack_6ch_int32_to_float_a_avx;
165  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
166  ac->simd_f = ff_unpack_6ch_float_to_int32_a_avx;
167  }
168  if(channels == 8) {
169  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_FLTP || out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S32P)
170  ac->simd_f = ff_pack_8ch_float_to_float_a_avx;
171  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
172  ac->simd_f = ff_pack_8ch_int32_to_float_a_avx;
173  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
174  ac->simd_f = ff_pack_8ch_float_to_int32_a_avx;
175  }
176  }
177  if(EXTERNAL_AVX2_FAST(mm_flags)) {
178  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLTP)
179  ac->simd_f = ff_float_to_int32_a_avx2;
180  }
181 }
AV_SAMPLE_FMT_FLTP
@ AV_SAMPLE_FMT_FLTP
float, planar
Definition: samplefmt.h:69
cpu.h
PROTO4
#define PROTO4(pre)
Definition: audio_convert_init.c:28
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
AV_SAMPLE_FMT_S32P
@ AV_SAMPLE_FMT_S32P
signed 32 bits, planar
Definition: samplefmt.h:68
channels
channels
Definition: aptx.c:30
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
av_cold
#define av_cold
Definition: attributes.h:84
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
EXTERNAL_AVX_FAST
#define EXTERNAL_AVX_FAST(flags)
Definition: cpu.h:71
NULL
#define NULL
Definition: coverity.c:32
swresample_internal.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
AV_SAMPLE_FMT_S16P
@ AV_SAMPLE_FMT_S16P
signed 16 bits, planar
Definition: samplefmt.h:67
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58
AV_SAMPLE_FMT_S16
@ AV_SAMPLE_FMT_S16
signed 16 bits
Definition: samplefmt.h:61
MULTI_CAPS_FUNC
#define MULTI_CAPS_FUNC(flag, cap)
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
swri_audio_convert_init_x86
av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels)
Definition: audio_convert_init.c:36
AudioConvert
Definition: audio_convert.c:48
_
#define _
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
EXTERNAL_MMX
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
AV_SAMPLE_FMT_S32
@ AV_SAMPLE_FMT_S32
signed 32 bits
Definition: samplefmt.h:62
AV_SAMPLE_FMT_FLT
@ AV_SAMPLE_FMT_FLT
float
Definition: samplefmt.h:63
audioconvert.h
Generated on Wed Aug 24 2022 21:27:26 for FFmpeg by   doxygen 1.8.17