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/*
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 "libswresample/swresample_internal.h"
22 
#include "libswresample/audioconvert.h"
23 
 
24 
#define PROTO(pre, in, out, cap) void ff ## pre ## _ ##in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
25 
#define PROTO2(pre, out, cap) PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
26 
#define PROTO3(pre, cap) PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
27 
#define PROTO4(pre) PROTO3(pre, mmx) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx)
28 
PROTO4()
29 
PROTO4(_pack_2ch)
30 
PROTO4(_pack_6ch)
31 
PROTO4(_unpack_2ch)
32 
 
33 
av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
34 
                                 enum AVSampleFormat out_fmt,
35 
                                 enum AVSampleFormat in_fmt,
36 
                                 int channels){
37 
    int mm_flags = av_get_cpu_flags();
38 
 
39 
    ac->simd_f= NULL;
40 
 
41 
//FIXME add memcpy case
42 
 
43 
#define MULTI_CAPS_FUNC(flag, cap) \
44 
    if (mm_flags & flag) {\
45 
        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)\
46 
            ac->simd_f =  ff_int16_to_int32_a_ ## cap;\
47 
        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)\
48 
            ac->simd_f =  ff_int32_to_int16_a_ ## cap;\
49 
    }
50 
 
51 
MULTI_CAPS_FUNC(AV_CPU_FLAG_MMX, mmx)
52 
MULTI_CAPS_FUNC(AV_CPU_FLAG_SSE2, sse2)
53 
 
54 
    if(mm_flags & AV_CPU_FLAG_MMX) {
55 
        if(channels == 6) {
56 
            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)
57 
                ac->simd_f =  ff_pack_6ch_float_to_float_a_mmx;
58 
        }
59 
    }
60 
 
61 
    if(mm_flags & AV_CPU_FLAG_SSE2) {
62 
        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)
63 
            ac->simd_f =  ff_int32_to_float_a_sse2;
64 
        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)
65 
            ac->simd_f =  ff_int16_to_float_a_sse2;
66 
        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)
67 
            ac->simd_f =  ff_float_to_int32_a_sse2;
68 
        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)
69 
            ac->simd_f =  ff_float_to_int16_a_sse2;
70 
 
71 
        if(channels == 2) {
72 
            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)
73 
                ac->simd_f =  ff_pack_2ch_int32_to_int32_a_sse2;
74 
            if(   out_fmt == AV_SAMPLE_FMT_S16  && in_fmt == AV_SAMPLE_FMT_S16P)
75 
                ac->simd_f =  ff_pack_2ch_int16_to_int16_a_sse2;
76 
            if(   out_fmt == AV_SAMPLE_FMT_S32  && in_fmt == AV_SAMPLE_FMT_S16P)
77 
                ac->simd_f =  ff_pack_2ch_int16_to_int32_a_sse2;
78 
            if(   out_fmt == AV_SAMPLE_FMT_S16  && in_fmt == AV_SAMPLE_FMT_S32P)
79 
                ac->simd_f =  ff_pack_2ch_int32_to_int16_a_sse2;
80 
 
81 
            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)
82 
                ac->simd_f =  ff_unpack_2ch_int32_to_int32_a_sse2;
83 
            if(   out_fmt == AV_SAMPLE_FMT_S16P  && in_fmt == AV_SAMPLE_FMT_S16)
84 
                ac->simd_f =  ff_unpack_2ch_int16_to_int16_a_sse2;
85 
            if(   out_fmt == AV_SAMPLE_FMT_S32P  && in_fmt == AV_SAMPLE_FMT_S16)
86 
                ac->simd_f =  ff_unpack_2ch_int16_to_int32_a_sse2;
87 
            if(   out_fmt == AV_SAMPLE_FMT_S16P  && in_fmt == AV_SAMPLE_FMT_S32)
88 
                ac->simd_f =  ff_unpack_2ch_int32_to_int16_a_sse2;
89 
 
90 
            if(   out_fmt == AV_SAMPLE_FMT_FLT  && in_fmt == AV_SAMPLE_FMT_S32P)
91 
                ac->simd_f =  ff_pack_2ch_int32_to_float_a_sse2;
92 
            if(   out_fmt == AV_SAMPLE_FMT_S32  && in_fmt == AV_SAMPLE_FMT_FLTP)
93 
                ac->simd_f =  ff_pack_2ch_float_to_int32_a_sse2;
94 
            if(   out_fmt == AV_SAMPLE_FMT_FLT  && in_fmt == AV_SAMPLE_FMT_S16P)
95 
                ac->simd_f =  ff_pack_2ch_int16_to_float_a_sse2;
96 
            if(   out_fmt == AV_SAMPLE_FMT_S16  && in_fmt == AV_SAMPLE_FMT_FLTP)
97 
                ac->simd_f =  ff_pack_2ch_float_to_int16_a_sse2;
98 
            if(   out_fmt == AV_SAMPLE_FMT_FLTP  && in_fmt == AV_SAMPLE_FMT_S32)
99 
                ac->simd_f =  ff_unpack_2ch_int32_to_float_a_sse2;
100 
            if(   out_fmt == AV_SAMPLE_FMT_S32P  && in_fmt == AV_SAMPLE_FMT_FLT)
101 
                ac->simd_f =  ff_unpack_2ch_float_to_int32_a_sse2;
102 
            if(   out_fmt == AV_SAMPLE_FMT_FLTP  && in_fmt == AV_SAMPLE_FMT_S16)
103 
                ac->simd_f =  ff_unpack_2ch_int16_to_float_a_sse2;
104 
            if(   out_fmt == AV_SAMPLE_FMT_S16P  && in_fmt == AV_SAMPLE_FMT_FLT)
105 
                ac->simd_f =  ff_unpack_2ch_float_to_int16_a_sse2;
106 
        }
107 
    }
108 
    if(mm_flags & AV_CPU_FLAG_SSSE3) {
109 
        if(channels == 2) {
110 
            if(   out_fmt == AV_SAMPLE_FMT_S16P  && in_fmt == AV_SAMPLE_FMT_S16)
111 
                ac->simd_f =  ff_unpack_2ch_int16_to_int16_a_ssse3;
112 
            if(   out_fmt == AV_SAMPLE_FMT_S32P  && in_fmt == AV_SAMPLE_FMT_S16)
113 
                ac->simd_f =  ff_unpack_2ch_int16_to_int32_a_ssse3;
114 
            if(   out_fmt == AV_SAMPLE_FMT_FLTP  && in_fmt == AV_SAMPLE_FMT_S16)
115 
                ac->simd_f =  ff_unpack_2ch_int16_to_float_a_ssse3;
116 
        }
117 
    }
118 
    if(mm_flags & AV_CPU_FLAG_SSE4) {
119 
        if(channels == 6) {
120 
            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)
121 
                ac->simd_f =  ff_pack_6ch_float_to_float_a_sse4;
122 
            if(   out_fmt == AV_SAMPLE_FMT_FLT  && in_fmt == AV_SAMPLE_FMT_S32P)
123 
                ac->simd_f =  ff_pack_6ch_int32_to_float_a_sse4;
124 
            if(   out_fmt == AV_SAMPLE_FMT_S32  && in_fmt == AV_SAMPLE_FMT_FLTP)
125 
                ac->simd_f =  ff_pack_6ch_float_to_int32_a_sse4;
126 
        }
127 
    }
128 
    if(HAVE_AVX_EXTERNAL && mm_flags & AV_CPU_FLAG_AVX) {
129 
        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)
130 
            ac->simd_f =  ff_int32_to_float_a_avx;
131 
        if(channels == 6) {
132 
            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)
133 
                ac->simd_f =  ff_pack_6ch_float_to_float_a_avx;
134 
            if(   out_fmt == AV_SAMPLE_FMT_FLT  && in_fmt == AV_SAMPLE_FMT_S32P)
135 
                ac->simd_f =  ff_pack_6ch_int32_to_float_a_avx;
136 
            if(   out_fmt == AV_SAMPLE_FMT_S32  && in_fmt == AV_SAMPLE_FMT_FLTP)
137 
                ac->simd_f =  ff_pack_6ch_float_to_int32_a_avx;
138 
        }
139 
    }
140 
}
141 
 
142 
#define D(type, simd) \
143 
mix_1_1_func_type ff_mix_1_1_a_## type ## _ ## simd;\
144 
mix_2_1_func_type ff_mix_2_1_a_## type ## _ ## simd;
145 
 
146 
D(float, sse)
147 
D(float, avx)
148 
D(int16, mmx)
149 
D(int16, sse2)
150 
 
151 
 
152 
av_cold void swri_rematrix_init_x86(struct SwrContext *s){
153 
    int mm_flags = av_get_cpu_flags();
154 
    int nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
155 
    int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
156 
    int num    = nb_in * nb_out;
157 
    int i,j;
158 
 
159 
    s->mix_1_1_simd = NULL;
160 
    s->mix_2_1_simd = NULL;
161 
 
162 
    if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
163 
        if(mm_flags & AV_CPU_FLAG_MMX) {
164 
            s->mix_1_1_simd = ff_mix_1_1_a_int16_mmx;
165 
            s->mix_2_1_simd = ff_mix_2_1_a_int16_mmx;
166 
        }
167 
        if(mm_flags & AV_CPU_FLAG_SSE2) {
168 
            s->mix_1_1_simd = ff_mix_1_1_a_int16_sse2;
169 
            s->mix_2_1_simd = ff_mix_2_1_a_int16_sse2;
170 
        }
171 
        s->native_simd_matrix = av_mallocz(2 * num * sizeof(int16_t));
172 
        s->native_simd_one    = av_mallocz(2 * sizeof(int16_t));
173 
        for(i=0; i
174 
            int sh = 0;
175 
            for(j=0; j
176 
                sh = FFMAX(sh, FFABS(((int*)s->native_matrix)[i * nb_in + j]));
177 
            sh = FFMAX(av_log2(sh) - 14, 0);
178 
            for(j=0; j
179 
                ((int16_t*)s->native_simd_matrix)[2*(i * nb_in + j)+1] = 15 - sh;
180 
                ((int16_t*)s->native_simd_matrix)[2*(i * nb_in + j)] =
181 
                    ((((int*)s->native_matrix)[i * nb_in + j]) + (1<>1)) >> sh;
182 
            }
183 
        }
184 
        ((int16_t*)s->native_simd_one)[1] = 14;
185 
        ((int16_t*)s->native_simd_one)[0] = 16384;
186 
    } else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
187 
        if(mm_flags & AV_CPU_FLAG_SSE) {
188 
            s->mix_1_1_simd = ff_mix_1_1_a_float_sse;
189 
            s->mix_2_1_simd = ff_mix_2_1_a_float_sse;
190 
        }
191 
        if(HAVE_AVX_EXTERNAL && mm_flags & AV_CPU_FLAG_AVX) {
192 
            s->mix_1_1_simd = ff_mix_1_1_a_float_avx;
193 
            s->mix_2_1_simd = ff_mix_2_1_a_float_avx;
194 
        }
195 
        s->native_simd_matrix = av_mallocz(num * sizeof(float));
196 
        memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));
197 
        s->native_simd_one = av_mallocz(sizeof(float));
198 
        memcpy(s->native_simd_one, s->native_one, sizeof(float));
199 
    }
200 
}