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
|
/******************************** MPEG Audio Encoder **************************
(C) Copyright Fraunhofer IIS (1999)
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.
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.
$Id$
Initial author: M. Werner
contents/description: Perceptual entropie module
******************************************************************************/
#ifndef __LINE_PE_H
#define __LINE_PE_H
#include "common_fix.h"
#include "psy_const.h"
#define PE_CONSTPART_SHIFT FRACT_BITS
typedef struct {
/* calculated by FDKaacEnc_prepareSfbPe */
INT sfbNLines[MAX_GROUPED_SFB]; /* number of relevant lines in sfb */
/* the rest is calculated by FDKaacEnc_calcSfbPe */
INT sfbPe[MAX_GROUPED_SFB]; /* pe for each sfb */
INT sfbConstPart[MAX_GROUPED_SFB]; /* constant part for each sfb */
INT sfbNActiveLines[MAX_GROUPED_SFB]; /* number of active lines in sfb */
INT pe; /* sum of sfbPe */
INT constPart; /* sum of sfbConstPart */
INT nActiveLines; /* sum of sfbNActiveLines */
} PE_CHANNEL_DATA;
typedef struct {
PE_CHANNEL_DATA peChannelData[(2)];
INT pe;
INT constPart;
INT nActiveLines;
INT offset;
} PE_DATA;
void FDKaacEnc_prepareSfbPe(PE_CHANNEL_DATA *peChanData,
const FIXP_DBL *sfbEnergyLdData,
const FIXP_DBL *sfbThresholdLdData,
const FIXP_DBL *sfbFormFactorLdData,
const INT *sfbOffset,
const INT sfbCnt,
const INT sfbPerGroup,
const INT maxSfbPerGroup);
void FDKaacEnc_calcSfbPe(PE_CHANNEL_DATA *RESTRICT peChanData,
const FIXP_DBL *RESTRICT sfbEnergyLdData,
const FIXP_DBL *RESTRICT sfbThresholdLdData,
const INT sfbCnt,
const INT sfbPerGroup,
const INT maxSfbPerGroup,
const INT *isBook,
const INT *isScale);
#endif
|
