1 |
|
|
/* |
2 |
|
|
* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> |
3 |
|
|
* |
4 |
|
|
* This file is part of FFmpeg. |
5 |
|
|
* |
6 |
|
|
* FFmpeg 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 |
|
|
* FFmpeg 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 FFmpeg; 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/cpu.h" |
23 |
|
|
#include "libavutil/x86/cpu.h" |
24 |
|
|
#include "libavcodec/synth_filter.h" |
25 |
|
|
|
26 |
|
|
#define SYNTH_FILTER_FUNC(opt) \ |
27 |
|
|
void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \ |
28 |
|
|
const float window[512], \ |
29 |
|
|
float out[32], intptr_t offset, float scale); \ |
30 |
|
|
static void synth_filter_##opt(FFTContext *imdct, \ |
31 |
|
|
float *synth_buf_ptr, int *synth_buf_offset, \ |
32 |
|
|
float synth_buf2[32], const float window[512], \ |
33 |
|
|
float out[32], const float in[32], float scale) \ |
34 |
|
|
{ \ |
35 |
|
|
float *synth_buf= synth_buf_ptr + *synth_buf_offset; \ |
36 |
|
|
\ |
37 |
|
|
imdct->imdct_half(imdct, synth_buf, in); \ |
38 |
|
|
\ |
39 |
|
|
ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \ |
40 |
|
|
out, *synth_buf_offset, scale); \ |
41 |
|
|
\ |
42 |
|
|
*synth_buf_offset = (*synth_buf_offset - 32) & 511; \ |
43 |
|
|
} \ |
44 |
|
|
|
45 |
|
|
#if HAVE_X86ASM |
46 |
|
|
#if ARCH_X86_32 |
47 |
|
|
SYNTH_FILTER_FUNC(sse) |
48 |
|
|
#endif |
49 |
|
40 |
SYNTH_FILTER_FUNC(sse2) |
50 |
|
40 |
SYNTH_FILTER_FUNC(avx) |
51 |
|
20 |
SYNTH_FILTER_FUNC(fma3) |
52 |
|
|
#endif /* HAVE_X86ASM */ |
53 |
|
|
|
54 |
|
105 |
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) |
55 |
|
|
{ |
56 |
|
|
#if HAVE_X86ASM |
57 |
|
105 |
int cpu_flags = av_get_cpu_flags(); |
58 |
|
|
|
59 |
|
|
#if ARCH_X86_32 |
60 |
|
|
if (EXTERNAL_SSE(cpu_flags)) { |
61 |
|
|
s->synth_filter_float = synth_filter_sse; |
62 |
|
|
} |
63 |
|
|
#endif |
64 |
✓✓ |
105 |
if (EXTERNAL_SSE2(cpu_flags)) { |
65 |
|
9 |
s->synth_filter_float = synth_filter_sse2; |
66 |
|
|
} |
67 |
✓✓✓✗
|
105 |
if (EXTERNAL_AVX_FAST(cpu_flags)) { |
68 |
|
3 |
s->synth_filter_float = synth_filter_avx; |
69 |
|
|
} |
70 |
✓✓✓✗
|
105 |
if (EXTERNAL_FMA3_FAST(cpu_flags)) { |
71 |
|
2 |
s->synth_filter_float = synth_filter_fma3; |
72 |
|
|
} |
73 |
|
|
#endif /* HAVE_X86ASM */ |
74 |
|
105 |
} |