FFmpeg
audio_convert_init.c
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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/attributes.h"
22 #include "libavutil/x86/cpu.h"
23 #include "libswresample/swresample_internal.h"
24 #include "libswresample/audioconvert.h"
25 
26 #define PROTO(pre, in, out, cap) void ff ## pre ## in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
27 #define PROTO2(pre, out, cap) PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
28 #define PROTO3(pre, cap) PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
29 #define PROTO4(pre) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx) PROTO3(pre, avx2)
30 PROTO4(_)
31 PROTO4(_pack_2ch_)
32 PROTO4(_pack_6ch_)
33 PROTO4(_pack_8ch_)
34 PROTO4(_unpack_2ch_)
35 PROTO4(_unpack_6ch_)
36 
37 av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
38  enum AVSampleFormat out_fmt,
39  enum AVSampleFormat in_fmt,
40  int channels){
41  int mm_flags = av_get_cpu_flags();
42 
43  ac->simd_f= NULL;
44 
45 //FIXME add memcpy case
46 
47 #define MULTI_CAPS_FUNC(flag, cap) \
48  if (EXTERNAL_##flag(mm_flags)) {\
49  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)\
50  ac->simd_f = ff_int16_to_int32_a_ ## cap;\
51  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)\
52  ac->simd_f = ff_int32_to_int16_a_ ## cap;\
53  }
54 
55 MULTI_CAPS_FUNC(SSE2, sse2)
56 
57  if(EXTERNAL_SSE(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_sse;
61 
62  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)
63  ac->simd_f = ff_unpack_6ch_float_to_float_a_sse;
64  }
65  }
66  if(EXTERNAL_SSE2(mm_flags)) {
67  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)
68  ac->simd_f = ff_int32_to_float_a_sse2;
69  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)
70  ac->simd_f = ff_int16_to_float_a_sse2;
71  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)
72  ac->simd_f = ff_float_to_int32_a_sse2;
73  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)
74  ac->simd_f = ff_float_to_int16_a_sse2;
75 
76  if(channels == 2) {
77  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)
78  ac->simd_f = ff_pack_2ch_int32_to_int32_a_sse2;
79  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S16P)
80  ac->simd_f = ff_pack_2ch_int16_to_int16_a_sse2;
81  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16P)
82  ac->simd_f = ff_pack_2ch_int16_to_int32_a_sse2;
83  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S32P)
84  ac->simd_f = ff_pack_2ch_int32_to_int16_a_sse2;
85 
86  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)
87  ac->simd_f = ff_unpack_2ch_int32_to_int32_a_sse2;
88  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
89  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_sse2;
90  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
91  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_sse2;
92  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32)
93  ac->simd_f = ff_unpack_2ch_int32_to_int16_a_sse2;
94 
95  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
96  ac->simd_f = ff_pack_2ch_int32_to_float_a_sse2;
97  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
98  ac->simd_f = ff_pack_2ch_float_to_int32_a_sse2;
99  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16P)
100  ac->simd_f = ff_pack_2ch_int16_to_float_a_sse2;
101  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP)
102  ac->simd_f = ff_pack_2ch_float_to_int16_a_sse2;
103  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
104  ac->simd_f = ff_unpack_2ch_int32_to_float_a_sse2;
105  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
106  ac->simd_f = ff_unpack_2ch_float_to_int32_a_sse2;
107  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
108  ac->simd_f = ff_unpack_2ch_int16_to_float_a_sse2;
109  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLT)
110  ac->simd_f = ff_unpack_2ch_float_to_int16_a_sse2;
111  }
112  if(channels == 6) {
113  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
114  ac->simd_f = ff_pack_6ch_int32_to_float_a_sse2;
115  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
116  ac->simd_f = ff_pack_6ch_float_to_int32_a_sse2;
117 
118  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
119  ac->simd_f = ff_unpack_6ch_int32_to_float_a_sse2;
120  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
121  ac->simd_f = ff_unpack_6ch_float_to_int32_a_sse2;
122  }
123  if(channels == 8) {
124  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)
125  ac->simd_f = ff_pack_8ch_float_to_float_a_sse2;
126  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
127  ac->simd_f = ff_pack_8ch_int32_to_float_a_sse2;
128  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
129  ac->simd_f = ff_pack_8ch_float_to_int32_a_sse2;
130  }
131  }
132  if(EXTERNAL_SSSE3(mm_flags)) {
133  if(channels == 2) {
134  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
135  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_ssse3;
136  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
137  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_ssse3;
138  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
139  ac->simd_f = ff_unpack_2ch_int16_to_float_a_ssse3;
140  }
141  }
142  if(EXTERNAL_AVX_FAST(mm_flags)) {
143  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)
144  ac->simd_f = ff_int32_to_float_a_avx;
145  }
146  if(EXTERNAL_AVX(mm_flags)) {
147  if(channels == 6) {
148  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)
149  ac->simd_f = ff_pack_6ch_float_to_float_a_avx;
150  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
151  ac->simd_f = ff_pack_6ch_int32_to_float_a_avx;
152  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
153  ac->simd_f = ff_pack_6ch_float_to_int32_a_avx;
154 
155  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)
156  ac->simd_f = ff_unpack_6ch_float_to_float_a_avx;
157  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
158  ac->simd_f = ff_unpack_6ch_int32_to_float_a_avx;
159  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
160  ac->simd_f = ff_unpack_6ch_float_to_int32_a_avx;
161  }
162  if(channels == 8) {
163  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)
164  ac->simd_f = ff_pack_8ch_float_to_float_a_avx;
165  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
166  ac->simd_f = ff_pack_8ch_int32_to_float_a_avx;
167  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
168  ac->simd_f = ff_pack_8ch_float_to_int32_a_avx;
169  }
170  }
171  if(EXTERNAL_AVX2_FAST(mm_flags)) {
172  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)
173  ac->simd_f = ff_float_to_int32_a_avx2;
174  }
175 }
AV_SAMPLE_FMT_FLTP
@ AV_SAMPLE_FMT_FLTP
float, planar
Definition: samplefmt.h:66
MULTI_CAPS_FUNC
#define MULTI_CAPS_FUNC(flag, cap)
cpu.h
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:65
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:103
av_cold
#define av_cold
Definition: attributes.h:90
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
channels
channels
Definition: aptx.h:31
PROTO4
#define PROTO4(pre)
Definition: audio_convert_init.c:29
EXTERNAL_AVX_FAST
#define EXTERNAL_AVX_FAST(flags)
Definition: cpu.h:71
NULL
#define NULL
Definition: coverity.c:32
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:37
swresample_internal.h
attributes.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:64
AVSampleFormat
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:55
AV_SAMPLE_FMT_S16
@ AV_SAMPLE_FMT_S16
signed 16 bits
Definition: samplefmt.h:58
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
AudioConvert
Definition: audioconvert.h:38
_
#define _
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
AV_SAMPLE_FMT_S32
@ AV_SAMPLE_FMT_S32
signed 32 bits
Definition: samplefmt.h:59
AV_SAMPLE_FMT_FLT
@ AV_SAMPLE_FMT_FLT
float
Definition: samplefmt.h:60
audioconvert.h
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