FFmpeg: libavcodec/x86/sbrdsp_init.c Source File

FFmpeg
sbrdsp_init.c
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1 /*
2  * AAC Spectral Band Replication decoding functions
3  * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "config.h"
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/sbrdsp.h"
27 
28 float ff_sbr_sum_square_sse(float (*x)[2], int n);
29 void ff_sbr_sum64x5_sse(float *z);
30 void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
31  const float *g_filt, int m_max, intptr_t ixh);
32 void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
33  const float alpha0[2], const float alpha1[2],
34  float bw, int start, int end);
35 void ff_sbr_neg_odd_64_sse(float *z);
36 void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
37 void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1);
38 void ff_sbr_qmf_pre_shuffle_sse2(float *z);
39 
40 void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m,
41  const float *q_filt, int noise,
42  int kx, int m_max);
43 void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m,
44  const float *q_filt, int noise,
45  int kx, int m_max);
46 void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m,
47  const float *q_filt, int noise,
48  int kx, int m_max);
49 void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
50  const float *q_filt, int noise,
51  int kx, int m_max);
52 
53 void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
54 
55 void ff_sbr_autocorrelate_sse (const float x[40][2], float phi[3][2][2]);
56 void ff_sbr_autocorrelate_sse3(const float x[40][2], float phi[3][2][2]);
57 
58  av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
59 {
60  int cpu_flags = av_get_cpu_flags();
61 
62  if (EXTERNAL_SSE(cpu_flags)) {
63  s->neg_odd_64 = ff_sbr_neg_odd_64_sse;
64  s->sum_square = ff_sbr_sum_square_sse;
65  s->sum64x5 = ff_sbr_sum64x5_sse;
66  s->hf_g_filt = ff_sbr_hf_g_filt_sse;
67  s->hf_gen = ff_sbr_hf_gen_sse;
68  s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
69  s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse;
70  s->autocorrelate = ff_sbr_autocorrelate_sse;
71  }
72 
73  if (EXTERNAL_SSE2(cpu_flags)) {
74  s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse2;
75  s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_sse2;
76  s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2;
77  s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2;
78  s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2;
79  s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2;
80  }
81 
82  if (EXTERNAL_SSE3(cpu_flags)) {
83  s->autocorrelate = ff_sbr_autocorrelate_sse3;
84  }
85 }
cpu.h
ff_sbr_hf_apply_noise_2_sse2
void ff_sbr_hf_apply_noise_2_sse2(float(*Y)[2], const float *s_m, const float *q_filt, int noise, int kx, int m_max)
ff_sbr_autocorrelate_sse
void ff_sbr_autocorrelate_sse(const float x[40][2], float phi[3][2][2])
SBRDSPContext
Definition: sbrdsp.h:28
ff_sbr_qmf_post_shuffle_sse
void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z)
src1
const pixel * src1
Definition: h264pred_template.c:421
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:101
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:52
ff_sbr_sum64x5_sse
void ff_sbr_sum64x5_sse(float *z)
av_cold
#define av_cold
Definition: attributes.h:90
ff_sbr_autocorrelate_sse3
void ff_sbr_autocorrelate_sse3(const float x[40][2], float phi[3][2][2])
ff_sbr_qmf_deint_neg_sse
void ff_sbr_qmf_deint_neg_sse(float *v, const float *src)
s
#define s(width, name)
Definition: cbs_vp9.c:256
ff_sbr_qmf_deint_bfly_sse2
void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1)
ff_sbr_sum_square_sse
float ff_sbr_sum_square_sse(float(*x)[2], int n)
EXTERNAL_SSE
#define EXTERNAL_SSE(flags)
Definition: cpu.h:58
ff_sbr_hf_gen_sse
void ff_sbr_hf_gen_sse(float(*X_high)[2], const float(*X_low)[2], const float alpha0[2], const float alpha1[2], float bw, int start, int end)
ff_sbr_neg_odd_64_sse
void ff_sbr_neg_odd_64_sse(float *z)
EXTERNAL_SSE3
#define EXTERNAL_SSE3(flags)
Definition: cpu.h:62
ff_sbr_hf_apply_noise_3_sse2
void ff_sbr_hf_apply_noise_3_sse2(float(*Y)[2], const float *s_m, const float *q_filt, int noise, int kx, int m_max)
ff_sbr_qmf_pre_shuffle_sse2
void ff_sbr_qmf_pre_shuffle_sse2(float *z)
cpu.h
sbrdsp.h
ff_sbr_hf_apply_noise_0_sse2
void ff_sbr_hf_apply_noise_0_sse2(float(*Y)[2], const float *s_m, const float *q_filt, int noise, int kx, int m_max)
attributes.h
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
Y
#define Y
Definition: boxblur.h:37
ff_sbr_hf_g_filt_sse
void ff_sbr_hf_g_filt_sse(float(*Y)[2], const float(*X_high)[40][2], const float *g_filt, int m_max, intptr_t ixh)
ff_sbr_hf_apply_noise_1_sse2
void ff_sbr_hf_apply_noise_1_sse2(float(*Y)[2], const float *s_m, const float *q_filt, int noise, int kx, int m_max)
W
@ W
Definition: vf_addroi.c:26
noise
static int noise(AVBSFContext *ctx, AVPacket *pkt)
Definition: noise_bsf.c:120
ff_sbrdsp_init_x86
av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
Definition: sbrdsp_init.c:58
src0
const pixel *const src0
Definition: h264pred_template.c:420
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
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