FFmpeg
sbrdsp.h
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1 /*
2  * Copyright (c) 2012 Mans Rullgard
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 #ifndef AVCODEC_SBRDSP_H
22 #define AVCODEC_SBRDSP_H
23 
24 #include <stdint.h>
25 #include "aac_defines.h"
26 #include "libavutil/softfloat.h"
27 
28 typedef struct SBRDSPContext {
29  void (*sum64x5)(INTFLOAT *z);
30  AAC_FLOAT (*sum_square)(INTFLOAT (*x)[2], int n);
31  void (*neg_odd_64)(INTFLOAT *x);
33  void (*qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z);
34  void (*qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src);
35  void (*qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1);
36  void (*autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2]);
37  void (*hf_gen)(INTFLOAT (*X_high)[2], const INTFLOAT (*X_low)[2],
38  const INTFLOAT alpha0[2], const INTFLOAT alpha1[2],
39  INTFLOAT bw, int start, int end);
40  void (*hf_g_filt)(INTFLOAT (*Y)[2], const INTFLOAT (*X_high)[40][2],
41  const AAC_FLOAT *g_filt, int m_max, intptr_t ixh);
42  void (*hf_apply_noise[4])(INTFLOAT (*Y)[2], const AAC_FLOAT *s_m,
43  const AAC_FLOAT *q_filt, int noise,
44  int kx, int m_max);
46 
47 extern const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2];
48 
54 
55 #endif /* AVCODEC_SBRDSP_H */
SBRDSPContext::hf_gen
void(* hf_gen)(INTFLOAT(*X_high)[2], const INTFLOAT(*X_low)[2], const INTFLOAT alpha0[2], const INTFLOAT alpha1[2], INTFLOAT bw, int start, int end)
Definition: sbrdsp.h:37
INTFLOAT
#define INTFLOAT
Definition: dct32_template.c:44
SBRDSPContext
Definition: sbrdsp.h:28
s
#define s(width, name)
Definition: cbs_vp9.c:257
ff_sbrdsp_init_mips
void ff_sbrdsp_init_mips(SBRDSPContext *s)
Definition: sbrdsp_mips.c:891
ff_sbrdsp_init_aarch64
void ff_sbrdsp_init_aarch64(SBRDSPContext *s)
Definition: sbrdsp_init_aarch64.c:50
SBRDSPContext::autocorrelate
void(* autocorrelate)(const INTFLOAT x[40][2], AAC_FLOAT phi[3][2][2])
Definition: sbrdsp.h:36
ff_sbrdsp_init_arm
void ff_sbrdsp_init_arm(SBRDSPContext *s)
Definition: sbrdsp_init_arm.c:53
src
#define src
Definition: vp8dsp.c:255
SBRDSPContext::neg_odd_64
void(* neg_odd_64)(INTFLOAT *x)
Definition: sbrdsp.h:31
SBRDSPContext::hf_g_filt
void(* hf_g_filt)(INTFLOAT(*Y)[2], const INTFLOAT(*X_high)[40][2], const AAC_FLOAT *g_filt, int m_max, intptr_t ixh)
Definition: sbrdsp.h:40
SBRDSPContext::qmf_deint_bfly
void(* qmf_deint_bfly)(INTFLOAT *v, const INTFLOAT *src0, const INTFLOAT *src1)
Definition: sbrdsp.h:35
SBRDSPContext::sum64x5
void(* sum64x5)(INTFLOAT *z)
Definition: sbrdsp.h:29
ff_sbr_noise_table
const INTFLOAT ff_sbr_noise_table[][2]
window coefficients for analysis/synthesis QMF banks
Definition: aacsbrdata.h:271
SBRDSPContext::qmf_pre_shuffle
void(* qmf_pre_shuffle)(INTFLOAT *z)
Definition: sbrdsp.h:32
W
@ W
Definition: vf_addroi.c:26
SBRDSPContext::qmf_deint_neg
void(* qmf_deint_neg)(INTFLOAT *v, const INTFLOAT *src)
Definition: sbrdsp.h:34
SBRDSPContext::hf_apply_noise
void(* hf_apply_noise[4])(INTFLOAT(*Y)[2], const AAC_FLOAT *s_m, const AAC_FLOAT *q_filt, int noise, int kx, int m_max)
Definition: sbrdsp.h:42
Y
#define Y
Definition: boxblur.h:37
src0
#define src0
Definition: h264pred.c:139
ff_sbrdsp_init
void AAC_RENAME() ff_sbrdsp_init(SBRDSPContext *s)
Definition: sbrdsp_template.c:76
src1
#define src1
Definition: h264pred.c:140
SBRDSPContext::qmf_post_shuffle
void(* qmf_post_shuffle)(INTFLOAT W[32][2], const INTFLOAT *z)
Definition: sbrdsp.h:33
AAC_RENAME
const INTFLOAT AAC_RENAME(ff_sbr_noise_table)[][2]
noise
static int noise(AVBSFContext *ctx, AVPacket *pkt)
Definition: noise_bsf.c:36
SBRDSPContext::sum_square
AAC_FLOAT(* sum_square)(INTFLOAT(*x)[2], int n)
Definition: sbrdsp.h:30
AAC_FLOAT
float AAC_FLOAT
Definition: aac_defines.h:92
aac_defines.h
ff_sbrdsp_init_x86
void ff_sbrdsp_init_x86(SBRDSPContext *s)
Definition: sbrdsp_init.c:59
softfloat.h
INTFLOAT
float INTFLOAT
Definition: aac_defines.h:88