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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/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)
29 PROTO4(_)
30 PROTO4(_pack_2ch_)
31 PROTO4(_pack_6ch_)
32 PROTO4(_unpack_2ch_)
33 
34 av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
35  enum AVSampleFormat out_fmt,
36  enum AVSampleFormat in_fmt,
37  int channels){
38  int mm_flags = av_get_cpu_flags();
39 
40  ac->simd_f= NULL;
41 
42 //FIXME add memcpy case
43 
44 #define MULTI_CAPS_FUNC(flag, cap) \
45  if (EXTERNAL_##flag(mm_flags)) {\
46  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)\
47  ac->simd_f = ff_int16_to_int32_a_ ## cap;\
48  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)\
49  ac->simd_f = ff_int32_to_int16_a_ ## cap;\
50  }
51 
52 MULTI_CAPS_FUNC(MMX, mmx)
53 MULTI_CAPS_FUNC(SSE2, sse2)
54 
55  if(EXTERNAL_MMX(mm_flags)) {
56  if(channels == 6) {
57  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)
58  ac->simd_f = ff_pack_6ch_float_to_float_a_mmx;
59  }
60  }
61 
62  if(EXTERNAL_SSE2(mm_flags)) {
63  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)
64  ac->simd_f = ff_int32_to_float_a_sse2;
65  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)
66  ac->simd_f = ff_int16_to_float_a_sse2;
67  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)
68  ac->simd_f = ff_float_to_int32_a_sse2;
69  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)
70  ac->simd_f = ff_float_to_int16_a_sse2;
71 
72  if(channels == 2) {
73  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)
74  ac->simd_f = ff_pack_2ch_int32_to_int32_a_sse2;
75  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S16P)
76  ac->simd_f = ff_pack_2ch_int16_to_int16_a_sse2;
77  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_S16P)
78  ac->simd_f = ff_pack_2ch_int16_to_int32_a_sse2;
79  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_S32P)
80  ac->simd_f = ff_pack_2ch_int32_to_int16_a_sse2;
81 
82  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)
83  ac->simd_f = ff_unpack_2ch_int32_to_int32_a_sse2;
84  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
85  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_sse2;
86  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
87  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_sse2;
88  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S32)
89  ac->simd_f = ff_unpack_2ch_int32_to_int16_a_sse2;
90 
91  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
92  ac->simd_f = ff_pack_2ch_int32_to_float_a_sse2;
93  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
94  ac->simd_f = ff_pack_2ch_float_to_int32_a_sse2;
95  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S16P)
96  ac->simd_f = ff_pack_2ch_int16_to_float_a_sse2;
97  if( out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP)
98  ac->simd_f = ff_pack_2ch_float_to_int16_a_sse2;
99  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S32)
100  ac->simd_f = ff_unpack_2ch_int32_to_float_a_sse2;
101  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_FLT)
102  ac->simd_f = ff_unpack_2ch_float_to_int32_a_sse2;
103  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
104  ac->simd_f = ff_unpack_2ch_int16_to_float_a_sse2;
105  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLT)
106  ac->simd_f = ff_unpack_2ch_float_to_int16_a_sse2;
107  }
108  }
109  if(EXTERNAL_SSSE3(mm_flags)) {
110  if(channels == 2) {
111  if( out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_S16)
112  ac->simd_f = ff_unpack_2ch_int16_to_int16_a_ssse3;
113  if( out_fmt == AV_SAMPLE_FMT_S32P && in_fmt == AV_SAMPLE_FMT_S16)
114  ac->simd_f = ff_unpack_2ch_int16_to_int32_a_ssse3;
115  if( out_fmt == AV_SAMPLE_FMT_FLTP && in_fmt == AV_SAMPLE_FMT_S16)
116  ac->simd_f = ff_unpack_2ch_int16_to_float_a_ssse3;
117  }
118  }
119  if(EXTERNAL_SSE4(mm_flags)) {
120  if(channels == 6) {
121  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)
122  ac->simd_f = ff_pack_6ch_float_to_float_a_sse4;
123  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
124  ac->simd_f = ff_pack_6ch_int32_to_float_a_sse4;
125  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
126  ac->simd_f = ff_pack_6ch_float_to_int32_a_sse4;
127  }
128  }
129  if(EXTERNAL_AVX(mm_flags)) {
130  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)
131  ac->simd_f = ff_int32_to_float_a_avx;
132  if(channels == 6) {
133  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)
134  ac->simd_f = ff_pack_6ch_float_to_float_a_avx;
135  if( out_fmt == AV_SAMPLE_FMT_FLT && in_fmt == AV_SAMPLE_FMT_S32P)
136  ac->simd_f = ff_pack_6ch_int32_to_float_a_avx;
137  if( out_fmt == AV_SAMPLE_FMT_S32 && in_fmt == AV_SAMPLE_FMT_FLTP)
138  ac->simd_f = ff_pack_6ch_float_to_int32_a_avx;
139  }
140  }
141 }
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