1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* audio resampling
* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* audio resampling
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "libswresample/resample.h"
#define RESAMPLE_FUNCS(type, opt) \
int ff_resample_common_##type##_##opt(ResampleContext *c, uint8_t *dst, \
const uint8_t *src, int sz, int upd); \
int ff_resample_linear_##type##_##opt(ResampleContext *c, uint8_t *dst, \
const uint8_t *src, int sz, int upd)
RESAMPLE_FUNCS(int16, mmxext);
RESAMPLE_FUNCS(int16, sse2);
RESAMPLE_FUNCS(float, sse);
RESAMPLE_FUNCS(float, avx);
RESAMPLE_FUNCS(float, fma3);
RESAMPLE_FUNCS(float, fma4);
RESAMPLE_FUNCS(double, sse2);
void swresample_dsp_x86_init(ResampleContext *c)
{
int av_unused mm_flags = av_get_cpu_flags();
#define FNIDX(fmt) (AV_SAMPLE_FMT_##fmt - AV_SAMPLE_FMT_S16P)
if (ARCH_X86_32 && HAVE_MMXEXT_EXTERNAL && mm_flags & AV_CPU_FLAG_MMX2) {
c->dsp.resample_common[FNIDX(S16P)] = ff_resample_common_int16_mmxext;
c->dsp.resample_linear[FNIDX(S16P)] = ff_resample_linear_int16_mmxext;
}
if (HAVE_SSE_EXTERNAL && mm_flags & AV_CPU_FLAG_SSE) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_sse;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_sse;
}
if (HAVE_SSE2_EXTERNAL && mm_flags & AV_CPU_FLAG_SSE2) {
c->dsp.resample_common[FNIDX(S16P)] = ff_resample_common_int16_sse2;
c->dsp.resample_linear[FNIDX(S16P)] = ff_resample_linear_int16_sse2;
c->dsp.resample_common[FNIDX(DBLP)] = ff_resample_common_double_sse2;
c->dsp.resample_linear[FNIDX(DBLP)] = ff_resample_linear_double_sse2;
}
if (HAVE_AVX_EXTERNAL && mm_flags & AV_CPU_FLAG_AVX) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_avx;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_avx;
}
if (HAVE_FMA3_EXTERNAL && mm_flags & AV_CPU_FLAG_FMA3) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_fma3;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_fma3;
}
if (HAVE_FMA4_EXTERNAL && mm_flags & AV_CPU_FLAG_FMA4) {
c->dsp.resample_common[FNIDX(FLTP)] = ff_resample_common_float_fma4;
c->dsp.resample_linear[FNIDX(FLTP)] = ff_resample_linear_float_fma4;
}
}
|
