FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/x86/flacdsp_init.c
Date: 2021-09-16 08:47:15
Exec Total Coverage
Lines: 44 45 97.8%
Branches: 38 42 90.5%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2014 James Almer
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 "libavcodec/flacdsp.h"
23 #include "libavutil/x86/cpu.h"
24 #include "config.h"
25
26 void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
27 int qlevel, int len);
28 void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
29 int qlevel, int len);
30
31 void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
32
33 #define DECORRELATE_FUNCS(fmt, opt) \
34 void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
35 int len, int shift); \
36 void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
37 int len, int shift); \
38 void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
39 int len, int shift); \
40 void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
41 int len, int shift); \
42 void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
43 int len, int shift); \
44 void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
45 int len, int shift); \
46 void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
47 int len, int shift)
48
49 DECORRELATE_FUNCS(16, sse2);
50 DECORRELATE_FUNCS(16, avx);
51 DECORRELATE_FUNCS(32, sse2);
52 DECORRELATE_FUNCS(32, avx);
53
54 5979 av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
55 int bps)
56 {
57 #if HAVE_X86ASM
58 5979 int cpu_flags = av_get_cpu_flags();
59
60 #if CONFIG_FLAC_DECODER
61
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5979 if (EXTERNAL_SSE2(cpu_flags)) {
62
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3635 if (fmt == AV_SAMPLE_FMT_S16) {
63
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3287 if (channels == 2)
64 1650 c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
65
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1637 else if (channels == 4)
66 9 c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
67
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1628 else if (channels == 6)
68 813 c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
69
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815 else if (ARCH_X86_64 && channels == 8)
70 9 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
71 3287 c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
72 3287 c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
73 3287 c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
74
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348 } else if (fmt == AV_SAMPLE_FMT_S32) {
75
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348 if (channels == 2)
76 321 c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
77
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27 else if (channels == 4)
78 9 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
79
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18 else if (channels == 6)
80 9 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
81
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9 else if (ARCH_X86_64 && channels == 8)
82 9 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
83 348 c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
84 348 c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
85 348 c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
86 }
87 }
88
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5979 if (EXTERNAL_SSE4(cpu_flags)) {
89 3605 c->lpc32 = ff_flac_lpc_32_sse4;
90 }
91
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5979 if (EXTERNAL_AVX(cpu_flags)) {
92
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3575 if (fmt == AV_SAMPLE_FMT_S16) {
93
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3257 if (ARCH_X86_64 && channels == 8)
94 3 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
95
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318 } else if (fmt == AV_SAMPLE_FMT_S32) {
96
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318 if (channels == 4)
97 3 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
98
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315 else if (channels == 6)
99 3 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
100
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312 else if (ARCH_X86_64 && channels == 8)
101 3 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
102 }
103 }
104
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5979 if (EXTERNAL_XOP(cpu_flags)) {
105 c->lpc32 = ff_flac_lpc_32_xop;
106 }
107 #endif
108
109 #if CONFIG_FLAC_ENCODER
110
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5979 if (EXTERNAL_SSE4(cpu_flags)) {
111 if (CONFIG_GPL)
112 3605 c->lpc16_encode = ff_flac_enc_lpc_16_sse4;
113 }
114 #endif
115 #endif /* HAVE_X86ASM */
116 5979 }
117