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flacdsp_init.c
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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 "libavcodec/flacdsp.h"
22 #include "libavutil/x86/cpu.h"
23 #include "config.h"
24 
25 void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
26  int qlevel, int len);
27 void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
28  int qlevel, int len);
29 
30 void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
31 
32 #define DECORRELATE_FUNCS(fmt, opt) \
33 void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
34  int len, int shift); \
35 void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
36  int len, int shift); \
37 void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
38  int len, int shift); \
39 void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
40  int len, int shift); \
41 void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
42  int len, int shift); \
43 void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
44  int len, int shift); \
45 void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
46  int len, int shift)
47 
48 DECORRELATE_FUNCS(16, sse2);
49 DECORRELATE_FUNCS(16, avx);
50 DECORRELATE_FUNCS(32, sse2);
51 DECORRELATE_FUNCS(32, avx);
52 
54  int bps)
55 {
56 #if HAVE_X86ASM
58 
59 #if CONFIG_FLAC_DECODER
60  if (EXTERNAL_SSE2(cpu_flags)) {
61  if (fmt == AV_SAMPLE_FMT_S16) {
62  if (channels == 2)
63  c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
64  else if (channels == 4)
65  c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
66  else if (channels == 6)
67  c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
68  else if (ARCH_X86_64 && channels == 8)
69  c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
70  c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
71  c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
72  c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
73  } else if (fmt == AV_SAMPLE_FMT_S32) {
74  if (channels == 2)
75  c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
76  else if (channels == 4)
77  c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
78  else if (channels == 6)
79  c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
80  else if (ARCH_X86_64 && channels == 8)
81  c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
82  c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
83  c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
84  c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
85  }
86  }
87  if (EXTERNAL_SSE4(cpu_flags)) {
89  }
90  if (EXTERNAL_AVX(cpu_flags)) {
91  if (fmt == AV_SAMPLE_FMT_S16) {
92  if (ARCH_X86_64 && channels == 8)
93  c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
94  } else if (fmt == AV_SAMPLE_FMT_S32) {
95  if (channels == 4)
96  c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
97  else if (channels == 6)
98  c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
99  else if (ARCH_X86_64 && channels == 8)
100  c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
101  }
102  }
103  if (EXTERNAL_XOP(cpu_flags)) {
105  }
106 #endif
107 
108 #if CONFIG_FLAC_ENCODER
109  if (EXTERNAL_SSE4(cpu_flags)) {
110  if (CONFIG_GPL)
112  }
113 #endif
114 #endif /* HAVE_X86ASM */
115 }
const char * fmt
Definition: avisynth_c.h:769
channels
Definition: aptx.c:30
void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
static atomic_int cpu_flags
Definition: cpu.c:50
void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
void(* lpc32)(int32_t *samples, const int coeffs[32], int order, int qlevel, int len)
Definition: flacdsp.h:31
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
signed 32 bits
Definition: samplefmt.h:62
#define DECORRELATE_FUNCS(fmt, opt)
Definition: flacdsp_init.c:32
void(* lpc16_encode)(int32_t *res, const int32_t *smp, int len, int order, const int32_t coefs[32], int shift)
Definition: flacdsp.h:33
void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *, int)
int32_t
AVSampleFormat
Audio sample formats.
Definition: samplefmt.h:58
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:92
av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps)
Definition: flacdsp_init.c:53
signed 16 bits
Definition: samplefmt.h:61
static double c[64]
unsigned bps
Definition: movenc.c:1449
static const int16_t coeffs[]
int len
#define EXTERNAL_XOP(flags)
Definition: cpu.h:73
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
void(* decorrelate[4])(uint8_t **out, int32_t **in, int channels, int len, int shift)
Definition: flacdsp.h:27