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(_)
PROTO4(_pack_2ch_)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 }
142