FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/x86/synth_filter_init.c
Date: 2022-12-09 07:38:14
Exec Total Coverage
Lines: 12 12 100.0%
Functions: 4 4 100.0%
Branches: 8 10 80.0%

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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(AVTXContext *imdct, \
31 float *synth_buf_ptr, int *synth_buf_offset, \
32 float synth_buf2[32], const float window[512], \
33 float out[32], float in[32], float scale, \
34 av_tx_fn imdct_fn) \
35 { \
36 float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
37 \
38 imdct_fn(imdct, synth_buf, in, sizeof(float)); \
39 \
40 ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
41 out, *synth_buf_offset, scale); \
42 \
43 *synth_buf_offset = (*synth_buf_offset - 32) & 511; \
44 } \
45
46 #if HAVE_X86ASM
47 40 SYNTH_FILTER_FUNC(sse2)
48 40 SYNTH_FILTER_FUNC(avx)
49 20 SYNTH_FILTER_FUNC(fma3)
50 #endif /* HAVE_X86ASM */
51
52 112 av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
53 {
54 #if HAVE_X86ASM
55 112 int cpu_flags = av_get_cpu_flags();
56
57
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112 if (EXTERNAL_SSE2(cpu_flags)) {
58 9 s->synth_filter_float = synth_filter_sse2;
59 }
60
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112 if (EXTERNAL_AVX_FAST(cpu_flags)) {
61 3 s->synth_filter_float = synth_filter_avx;
62 }
63
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112 if (EXTERNAL_FMA3_FAST(cpu_flags)) {
64 2 s->synth_filter_float = synth_filter_fma3;
65 }
66 #endif /* HAVE_X86ASM */
67 112 }
68