FFmpeg
aacps.h
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1 /*
2  * MPEG-4 Parametric Stereo definitions and declarations
3  * Copyright (c) 2010 Alex Converse <alex.converse@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 #ifndef AVCODEC_AACPS_H
23 #define AVCODEC_AACPS_H
24 
25 #include <stdint.h>
26 
27 #include "aacpsdsp.h"
28 #include "avcodec.h"
29 #include "get_bits.h"
30 
31 #define PS_MAX_NUM_ENV 5
32 #define PS_MAX_NR_IIDICC 34
33 #define PS_MAX_NR_IPDOPD 17
34 #define PS_MAX_SSB 91
35 #define PS_MAX_AP_BANDS 50
36 #define PS_QMF_TIME_SLOTS 32
37 #define PS_MAX_DELAY 14
38 #define PS_AP_LINKS 3
39 #define PS_MAX_AP_DELAY 5
40 
41 typedef struct PSContext {
42  int start;
44  int iid_quant;
48  int icc_mode;
53  int num_env;
56  int8_t iid_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-channel Intensity Difference Parameters
57  int8_t icc_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-Channel Coherence Parameters
58  /* ipd/opd is iid/icc sized so that the same functions can handle both */
59  int8_t ipd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-channel Phase Difference Parameters
60  int8_t opd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Overall Phase Difference Parameters
61  int is34bands;
63 
64  DECLARE_ALIGNED(16, INTFLOAT, in_buf)[5][44][2];
74  DECLARE_ALIGNED(16, INTFLOAT, Lbuf)[91][32][2];
75  DECLARE_ALIGNED(16, INTFLOAT, Rbuf)[91][32][2];
79 } PSContext;
80 
81 void AAC_RENAME(ff_ps_init)(void);
83 int AAC_RENAME(ff_ps_read_data)(AVCodecContext *avctx, GetBitContext *gb, PSContext *ps, int bits_left);
84 int AAC_RENAME(ff_ps_apply)(AVCodecContext *avctx, PSContext *ps, INTFLOAT L[2][38][64], INTFLOAT R[2][38][64], int top);
85 
86 #endif /* AVCODEC_AACPS_H */
PSContext::enable_ipdopd
int enable_ipdopd
Definition: aacps.h:54
PS_MAX_NR_IIDICC
#define PS_MAX_NR_IIDICC
Definition: aacps.h:32
PSContext::peak_decay_diff_smooth
INTFLOAT peak_decay_diff_smooth[34]
Definition: aacps.h:69
PS_MAX_SSB
#define PS_MAX_SSB
Definition: aacps.h:34
R
#define R
Definition: huffyuvdsp.h:34
PSContext::enable_ext
int enable_ext
Definition: aacps.h:50
PS_QMF_TIME_SLOTS
#define PS_QMF_TIME_SLOTS
Definition: aacps.h:36
ff_ps_init
void AAC_RENAME() ff_ps_init(void)
Definition: aacps.c:1000
PSContext::ipd_hist
int8_t ipd_hist[PS_MAX_NR_IIDICC]
Definition: aacps.h:77
PSContext::ipd_par
int8_t ipd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]
Inter-channel Phase Difference Parameters.
Definition: aacps.h:59
PSContext::opd_par
int8_t opd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]
Overall Phase Difference Parameters.
Definition: aacps.h:60
PSContext::H12
INTFLOAT H12[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC]
Definition: aacps.h:71
GetBitContext
Definition: get_bits.h:61
PSContext::icc_mode
int icc_mode
Definition: aacps.h:48
ff_ps_read_data
int AAC_RENAME() ff_ps_read_data(AVCodecContext *avctx, GetBitContext *gb, PSContext *ps, int bits_left)
Definition: aacps.c:147
aacpsdsp.h
PSContext::dsp
PSDSPContext dsp
Definition: aacps.h:78
PSContext::iid_par
int8_t iid_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]
Inter-channel Intensity Difference Parameters.
Definition: aacps.h:56
PS_AP_LINKS
#define PS_AP_LINKS
Definition: aacps.h:38
PSContext::delay
INTFLOAT delay[PS_MAX_SSB][PS_QMF_TIME_SLOTS+PS_MAX_DELAY][2]
Definition: aacps.h:65
get_bits.h
PSContext::Rbuf
INTFLOAT Rbuf[91][32][2]
Definition: aacps.h:75
PSContext::num_env
int num_env
Definition: aacps.h:53
PS_MAX_AP_BANDS
#define PS_MAX_AP_BANDS
Definition: aacps.h:35
PSContext::num_env_old
int num_env_old
Definition: aacps.h:52
PSContext::nr_icc_par
int nr_icc_par
Definition: aacps.h:49
PSContext::ap_delay
INTFLOAT ap_delay[PS_MAX_AP_BANDS][PS_AP_LINKS][PS_QMF_TIME_SLOTS+PS_MAX_AP_DELAY][2]
Definition: aacps.h:66
PS_MAX_DELAY
#define PS_MAX_DELAY
Definition: aacps.h:37
PSContext::power_smooth
INTFLOAT power_smooth[34]
Definition: aacps.h:68
PSContext::border_position
int border_position[PS_MAX_NUM_ENV+1]
Definition: aacps.h:55
PS_MAX_AP_DELAY
#define PS_MAX_AP_DELAY
Definition: aacps.h:39
PSContext::iid_quant
int iid_quant
Definition: aacps.h:44
PSContext::Lbuf
INTFLOAT Lbuf[91][32][2]
Definition: aacps.h:74
ff_ps_apply
int AAC_RENAME() ff_ps_apply(AVCodecContext *avctx, PSContext *ps, INTFLOAT L[2][38][64], INTFLOAT R[2][38][64], int top)
Definition: aacps.c:970
PSContext::start
int start
Definition: aacps.h:42
PSContext::H22
INTFLOAT H22[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC]
Definition: aacps.h:73
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:112
PSContext::is34bands_old
int is34bands_old
Definition: aacps.h:62
PSContext
Definition: aacps.h:41
PSContext::opd_hist
int8_t opd_hist[PS_MAX_NR_IIDICC]
Definition: aacps.h:76
AAC_RENAME
#define AAC_RENAME(x)
Definition: aac_defines.h:84
PSContext::enable_icc
int enable_icc
Definition: aacps.h:47
avcodec.h
PSContext::icc_par
int8_t icc_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]
Inter-Channel Coherence Parameters.
Definition: aacps.h:57
PSContext::is34bands
int is34bands
Definition: aacps.h:61
L
#define L(x)
Definition: vp56_arith.h:36
PS_MAX_NUM_ENV
#define PS_MAX_NUM_ENV
Definition: aacps.h:31
AVCodecContext
main external API structure.
Definition: avcodec.h:1565
PSContext::nr_iid_par
int nr_iid_par
Definition: aacps.h:45
PSDSPContext
Definition: aacpsdsp.h:32
PSContext::in_buf
INTFLOAT in_buf[5][44][2]
Definition: aacps.h:64
PSContext::H11
INTFLOAT H11[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC]
Definition: aacps.h:70
ff_ps_ctx_init
void AAC_RENAME() ff_ps_ctx_init(PSContext *ps)
Definition: aacps.c:1032
PSContext::peak_decay_nrg
INTFLOAT peak_decay_nrg[34]
Definition: aacps.h:67
INTFLOAT
float INTFLOAT
Definition: aac_defines.h:86
PSContext::frame_class
int frame_class
Definition: aacps.h:51
PSContext::enable_iid
int enable_iid
Definition: aacps.h:43
PSContext::H21
INTFLOAT H21[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC]
Definition: aacps.h:72
PSContext::nr_ipdopd_par
int nr_ipdopd_par
Definition: aacps.h:46