FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/aacps.h
Date: 2024-04-19 17:50:32
Exec Total Coverage
Lines: 3 3 100.0%
Functions: 2 2 100.0%
Branches: 0 0 -%

Line Branch Exec Source
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 "libavutil/mem_internal.h"
28
29 #include "aacpsdsp.h"
30 #include "get_bits.h"
31
32 #define PS_MAX_NUM_ENV 5
33 #define PS_MAX_NR_IIDICC 34
34 #define PS_MAX_NR_IPDOPD 17
35 #define PS_MAX_SSB 91
36 #define PS_MAX_AP_BANDS 50
37 #define PS_QMF_TIME_SLOTS 32
38 #define PS_MAX_DELAY 14
39 #define PS_AP_LINKS 3
40 #define PS_MAX_AP_DELAY 5
41 #define PS_BASELINE 0 ///< Operate in Baseline PS mode
42 ///< Baseline implies 10 or 20 stereo bands,
43 ///< mixing mode A, and no ipd/opd
44
45 #define numQMFSlots 32 //numTimeSlots * RATE
46
47 typedef struct PSCommonContext {
48 int start;
49 int enable_iid;
50 int iid_quant;
51 int nr_iid_par;
52 int nr_ipdopd_par;
53 int enable_icc;
54 int icc_mode;
55 int nr_icc_par;
56 int enable_ext;
57 int frame_class;
58 int num_env_old;
59 int num_env;
60 int enable_ipdopd;
61 int border_position[PS_MAX_NUM_ENV+1];
62 int8_t iid_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-channel Intensity Difference Parameters
63 int8_t icc_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-Channel Coherence Parameters
64 /* ipd/opd is iid/icc sized so that the same functions can handle both */
65 int8_t ipd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Inter-channel Phase Difference Parameters
66 int8_t opd_par[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; ///< Overall Phase Difference Parameters
67 int is34bands;
68 int is34bands_old;
69 } PSCommonContext;
70
71 typedef struct PSContext {
72 PSCommonContext common;
73
74 DECLARE_ALIGNED(16, INTFLOAT, in_buf)[5][44][2];
75 DECLARE_ALIGNED(16, INTFLOAT, delay)[PS_MAX_SSB][PS_QMF_TIME_SLOTS + PS_MAX_DELAY][2];
76 DECLARE_ALIGNED(16, INTFLOAT, ap_delay)[PS_MAX_AP_BANDS][PS_AP_LINKS][PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2];
77 DECLARE_ALIGNED(16, INTFLOAT, peak_decay_nrg)[34];
78 DECLARE_ALIGNED(16, INTFLOAT, power_smooth)[34];
79 DECLARE_ALIGNED(16, INTFLOAT, peak_decay_diff_smooth)[34];
80 DECLARE_ALIGNED(16, INTFLOAT, H11)[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC];
81 DECLARE_ALIGNED(16, INTFLOAT, H12)[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC];
82 DECLARE_ALIGNED(16, INTFLOAT, H21)[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC];
83 DECLARE_ALIGNED(16, INTFLOAT, H22)[2][PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC];
84 DECLARE_ALIGNED(16, INTFLOAT, Lbuf)[91][32][2];
85 DECLARE_ALIGNED(16, INTFLOAT, Rbuf)[91][32][2];
86 int8_t opd_hist[PS_MAX_NR_IIDICC];
87 int8_t ipd_hist[PS_MAX_NR_IIDICC];
88 PSDSPContext dsp;
89 } PSContext;
90
91 extern const int8_t ff_k_to_i_20[];
92 extern const int8_t ff_k_to_i_34[];
93
94 void ff_ps_init_common(void);
95 void AAC_RENAME(ff_ps_init)(void);
96
97 369 static inline void AAC_RENAME(ff_ps_ctx_init)(PSContext *ps)
98 {
99 369 AAC_RENAME(ff_psdsp_init)(&ps->dsp);
100 369 }
101
102 int ff_ps_read_data(void *logctx, GetBitContext *gb,
103 PSCommonContext *ps, int bits_left);
104 int AAC_RENAME(ff_ps_apply)(PSContext *ps, INTFLOAT L[2][38][64], INTFLOAT R[2][38][64], int top);
105
106 #endif /* AVCODEC_AACPS_H */
107