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
|
/*
* Copyright (c) 2001-2002 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _DownSampling_
#define _DownSampling_
#include "Audio.hxx"
#include "ProcessingComposite.hxx"
#include "OSDefines.hxx"
#include "../TDFilterGenerator/TDFilter.hxx"
#include "../TDFilterGenerator/TDFilterGen.hxx"
namespace CLAM
{
class DownSamplingConfig: public ProcessingConfig
{
public:
DYNAMIC_TYPE_USING_INTERFACE (DownSamplingConfig,2,ProcessingConfig);
DYN_ATTRIBUTE(0,public,std::string,Name);
DYN_ATTRIBUTE(1,public,TData,DownSamplingRate);
private:
void DefaultInit();
};
class DownSampling: public ProcessingComposite
{
/* class LowaPassFilterConfig: public ProcessingConfig
{
public:
DYNAMIC_TYPE_USING_INTERFACE (LowaPassFilterConfig,1,ProcessingConfig);
DYN_ATTRIBUTE(0,public,std::string,Name);
private:
void DefaultInit();
};
class LowPassFilter: public ProcessingComposite
{
public:
LowPassFilter();
~LowPassFilter();
};*/
public:
DownSampling();
DownSampling( DownSamplingConfig& cfg );
~DownSampling();
const char *GetClassName() const { return "DownSampling"; }
const ProcessingConfig &GetConfig() const { return mConfig; }
/** Supervised mode execution **/
bool Do(void) { return true; }
/** Unsupervised mode execution **/
bool Do( const Audio& in, Audio &out );
const TData& GetDownSamplinRate(void) const { return mDownSamplingRate; }
protected:
/** Configuration data **/
DownSamplingConfig mConfig;
/** Down Sampling rate **/
TData mDownSamplingRate;
TDFilterGen mTDFilterGenerator;
TDFilter mTDFilter;
bool ConcreteConfigure( const ProcessingConfig& );
bool ConcreteStart();
bool ConcreteStop();
void AttachChildren(void);
bool ConfigureChildren();
inline void CheckTypes( const Audio &in, const Audio &out );
void Filter( const Audio &in, Audio &out );
};
} //namespace
#endif
|
