FFmpeg
aacpsdsp.h
Go to the documentation of this file.
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_AACPSDSP_H
22 #define AVCODEC_AACPSDSP_H
23 
24 #include <stddef.h>
25 
26 #include "aac_defines.h"
27 
28 #define PS_QMF_TIME_SLOTS 32
29 #define PS_AP_LINKS 3
30 #define PS_MAX_AP_DELAY 5
31 
32 typedef struct PSDSPContext {
33  void (*add_squares)(INTFLOAT *dst, const INTFLOAT (*src)[2], int n);
34  void (*mul_pair_single)(INTFLOAT (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1,
35  int n);
36  void (*hybrid_analysis)(INTFLOAT (*out)[2], INTFLOAT (*in)[2],
37  const INTFLOAT (*filter)[8][2],
38  ptrdiff_t stride, int n);
39  void (*hybrid_analysis_ileave)(INTFLOAT (*out)[32][2], INTFLOAT L[2][38][64],
40  int i, int len);
41  void (*hybrid_synthesis_deint)(INTFLOAT out[2][38][64], INTFLOAT (*in)[32][2],
42  int i, int len);
43  void (*decorrelate)(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
45  const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2],
46  const INTFLOAT *transient_gain,
47  INTFLOAT g_decay_slope,
48  int len);
49  void (*stereo_interpolate[2])(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
50  INTFLOAT h[2][4], INTFLOAT h_step[2][4],
51  int len);
52 } PSDSPContext;
53 
59 
60 #endif /* AVCODEC_AACPSDSP_H */
INTFLOAT
#define INTFLOAT
Definition: dct32_template.c:44
r
const char * r
Definition: vf_curves.c:127
out
FILE * out
Definition: movenc.c:55
src1
const pixel * src1
Definition: h264pred_template.c:421
ff_psdsp_init_x86
void ff_psdsp_init_x86(PSDSPContext *s)
Definition: aacpsdsp_init.c:52
PSDSPContext::decorrelate
void(* decorrelate)(INTFLOAT(*out)[2], INTFLOAT(*delay)[2], INTFLOAT(*ap_delay)[PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2], const INTFLOAT phi_fract[2], const INTFLOAT(*Q_fract)[2], const INTFLOAT *transient_gain, INTFLOAT g_decay_slope, int len)
Definition: aacpsdsp.h:43
filter
void(* filter)(uint8_t *src, int stride, int qscale)
Definition: h263dsp.c:29
PSDSPContext::add_squares
void(* add_squares)(INTFLOAT *dst, const INTFLOAT(*src)[2], int n)
Definition: aacpsdsp.h:33
ff_psdsp_init_arm
void ff_psdsp_init_arm(PSDSPContext *s)
Definition: aacpsdsp_init_arm.c:46
ff_psdsp_init_aarch64
void ff_psdsp_init_aarch64(PSDSPContext *s)
Definition: aacpsdsp_init_aarch64.c:38
s
#define s(width, name)
Definition: cbs_vp9.c:198
PSDSPContext::hybrid_synthesis_deint
void(* hybrid_synthesis_deint)(INTFLOAT out[2][38][64], INTFLOAT(*in)[32][2], int i, int len)
Definition: aacpsdsp.h:41
PSDSPContext::mul_pair_single
void(* mul_pair_single)(INTFLOAT(*dst)[2], INTFLOAT(*src0)[2], INTFLOAT *src1, int n)
Definition: aacpsdsp.h:34
PSDSPContext::hybrid_analysis_ileave
void(* hybrid_analysis_ileave)(INTFLOAT(*out)[32][2], INTFLOAT L[2][38][64], int i, int len)
Definition: aacpsdsp.h:39
PS_MAX_AP_DELAY
#define PS_MAX_AP_DELAY
Definition: aacpsdsp.h:30
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
AAC_RENAME
#define AAC_RENAME(x)
Definition: aac_defines.h:99
len
int len
Definition: vorbis_enc_data.h:426
stride
#define stride
Definition: h264pred_template.c:537
PS_QMF_TIME_SLOTS
#define PS_QMF_TIME_SLOTS
Definition: aacpsdsp.h:28
PSDSPContext::stereo_interpolate
void(* stereo_interpolate[2])(INTFLOAT(*l)[2], INTFLOAT(*r)[2], INTFLOAT h[2][4], INTFLOAT h_step[2][4], int len)
Definition: aacpsdsp.h:49
ff_psdsp_init
void AAC_RENAME() ff_psdsp_init(PSDSPContext *s)
Definition: aacpsdsp_template.c:213
phi_fract
static int phi_fract[2][50][2]
Definition: aacps_fixed_tablegen.h:61
PSDSPContext
Definition: aacpsdsp.h:32
L
#define L(x)
Definition: vpx_arith.h:36
ff_psdsp_init_riscv
void ff_psdsp_init_riscv(PSDSPContext *s)
Definition: aacpsdsp_init.c:40
src0
const pixel *const src0
Definition: h264pred_template.c:420
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
aac_defines.h
h
h
Definition: vp9dsp_template.c:2038
PSDSPContext::hybrid_analysis
void(* hybrid_analysis)(INTFLOAT(*out)[2], INTFLOAT(*in)[2], const INTFLOAT(*filter)[8][2], ptrdiff_t stride, int n)
Definition: aacpsdsp.h:36
INTFLOAT
float INTFLOAT
Definition: aac_defines.h:101