1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/***************************** MPEG Audio Encoder ***************************
(C) Copyright Fraunhofer IIS (2004-2005)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
$Id$
Initial author: M. Neuendorf, N. Rettelbach, M. Multrus
contents/description: PS Parameter extraction, encoding
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
******************************************************************************/
/*!
\file
\brief PS parameter extraction, encoding functions $Revision: 36847 $
*/
#ifndef __INCLUDED_PS_ENCODE_H
#define __INCLUDED_PS_ENCODE_H
#include "ps_const.h"
#include "ps_bitenc.h"
#include "psenc_hybrid.h"
#define IID_SCALE_FT (64.f) /* maxVal in Quant tab is +/- 50 */
#define IID_SCALE 6 /* maxVal in Quant tab is +/- 50 */
#define IID_MAXVAL (1<<IID_SCALE)
#define PS_QUANT_SCALE_FT (64.f) /* error smaller (64-25)/64 * 20 bands * 4 env -> QuantScale 64 */
#define PS_QUANT_SCALE 6 /* error smaller (64-25)/64 * 20 bands * 4 env -> QuantScale 6 bit */
#define QMF_GROUPS_LO_RES 12
#define SUBQMF_GROUPS_LO_RES 10
#define QMF_GROUPS_HI_RES 18
#define SUBQMF_GROUPS_HI_RES 30
typedef struct T_PS_DATA {
INT iidEnable;
INT iidEnableLast;
INT iidQuantMode;
INT iidQuantModeLast;
INT iidDiffMode[PS_MAX_ENVELOPES];
INT iidIdx [PS_MAX_ENVELOPES][PS_MAX_BANDS];
INT iidIdxLast [PS_MAX_BANDS];
INT iccEnable;
INT iccEnableLast;
INT iccQuantMode;
INT iccQuantModeLast;
INT iccDiffMode[PS_MAX_ENVELOPES];
INT iccIdx [PS_MAX_ENVELOPES][PS_MAX_BANDS];
INT iccIdxLast [PS_MAX_BANDS];
INT nEnvelopesLast;
INT headerCnt;
INT iidTimeCnt;
INT iccTimeCnt;
INT noEnvCnt;
} PS_DATA, *HANDLE_PS_DATA;
typedef struct T_PS_ENCODE{
HANDLE_PS_DATA hPsData;
PS_BANDS psEncMode;
INT nQmfIidGroups;
INT nSubQmfIidGroups;
INT iidGroupBorders[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES + 1];
INT subband2parameterIndex[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES];
UCHAR iidGroupWidthLd[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES];
FIXP_DBL iidQuantErrorThreshold;
UCHAR psBandNrgScale [PS_MAX_BANDS];
} PS_ENCODE;
typedef struct T_PS_ENCODE *HANDLE_PS_ENCODE;
typedef struct T_PS_CHANNEL_DATA *HANDLE_PS_CHANNEL_DATA;
HANDLE_ERROR_INFO FDKsbrEnc_CreatePSEncode(HANDLE_PS_ENCODE *phPsEncode);
HANDLE_ERROR_INFO FDKsbrEnc_InitPSEncode(HANDLE_PS_ENCODE hPsEncode, const PS_BANDS psEncMode, const FIXP_DBL iidQuantErrorThreshold);
HANDLE_ERROR_INFO FDKsbrEnc_DestroyPSEncode(HANDLE_PS_ENCODE *phPsEncode);
HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE hPsEncode,
HANDLE_PS_OUT hPsOut,
HANDLE_PS_CHANNEL_DATA hChanDatal,
HANDLE_PS_CHANNEL_DATA hChanDatar,
UCHAR *dynBandScale,
UINT maxEnvelopes,
const int sendHeader);
#endif
|
