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
|
/****************************************************************************
(C) Copyright Fraunhofer IIS (2004)
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.
$Id$
*******************************************************************************/
/*!
\file
\brief Transient detector prototypes $Revision: 36847 $
*/
#ifndef __TRAN_DET_H
#define __TRAN_DET_H
#include "sbr_encoder.h"
#include "sbr_def.h"
typedef struct
{
FIXP_DBL transients[QMF_MAX_TIME_SLOTS+(QMF_MAX_TIME_SLOTS/2)];
FIXP_DBL thresholds[QMF_CHANNELS];
FIXP_DBL tran_thr; /* Master threshold for transient signals */
FIXP_DBL split_thr; /* Threshold for splitting FIXFIX-frames into 2 env */
FIXP_DBL prevLowBandEnergy; /* Energy of low band */
FIXP_DBL prevHighBandEnergy; /* Energy of high band */
INT tran_fc; /* Number of lowband subbands to discard */
INT no_cols;
INT no_rows;
INT mode;
int frameShift;
int tran_off; /* Offset for reading energy values. */
}
SBR_TRANSIENT_DETECTOR;
typedef SBR_TRANSIENT_DETECTOR *HANDLE_SBR_TRANSIENT_DETECTOR;
void
FDKsbrEnc_transientDetect(HANDLE_SBR_TRANSIENT_DETECTOR h_sbrTransientDetector,
FIXP_DBL **Energies,
INT *scaleEnergies,
UCHAR *tran_vector,
int YBufferWriteOffset,
int YBufferSzShift,
int timeStep,
int frameMiddleBorder);
int
FDKsbrEnc_InitSbrTransientDetector (HANDLE_SBR_TRANSIENT_DETECTOR h_sbrTransientDetector,
INT frameSize,
INT sampleFreq,
sbrConfigurationPtr params,
int tran_fc,
int no_cols,
int no_rows,
int YBufferWriteOffset,
int YBufferSzShift,
int frameShift,
int tran_off);
void
FDKsbrEnc_frameSplitter(FIXP_DBL **Energies,
INT *scaleEnergies,
HANDLE_SBR_TRANSIENT_DETECTOR h_sbrTransientDetector,
UCHAR *freqBandTable,
UCHAR *tran_vector,
int YBufferWriteOffset,
int YBufferSzShift,
int nSfb,
int timeStep,
int no_cols);
#endif
|
