CLAM-Development  1.4.0
IFFT_base.hxx
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1 /*
2  * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 
23 #ifndef _IFFT_base_
24 #define _IFFT_base_
25 
26 #include <typeinfo> // for bad_cast definition
27 #include "Processing.hxx"
28 #include "InPort.hxx"
29 #include "AudioOutPort.hxx"
30 #include "ProcessingData.hxx"
31 #include "DataTypes.hxx"
32 #include "Spectrum.hxx"
33 
34 #include "IFFTConfig.hxx"
35 
36 namespace CLAM {
37 
38  class Audio;
39  class Spectrum;
40 
42  class IFFT_base: public Processing
43  {
44  protected:
46 
50  int mSize;
51 
54 
55  // Control change callback function
56  void ChangeSize(int n);
57  int GetSize() {return mSize;}
58 
59  virtual bool ConcreteConfigure(const ProcessingConfig&) = 0;
60 
61  public:
62 
63  IFFT_base();
64 
65  virtual ~IFFT_base();
66 
67  const char *GetClassName() const {return "IFFT";}
68 
71  virtual const ProcessingConfig &GetConfig() const { return mConfig;}
72 
75  virtual bool Do(void) = 0;
76 
80  virtual bool Do(const Spectrum& in, Audio &out) const = 0;
81 
82  // Input/Output configuration methods
83 
85  virtual bool SetPrototypes(const Spectrum& in,const Audio &out) = 0;
86 
88  virtual bool SetPrototypes() {return false;}
89 
91  virtual bool UnsetPrototypes() {return false;}
92 
93  // Enable/Disable methods. Maybe we should not be deriving
94  // these ones in IFFT subclasses. (IFFT implementations will
95  // probably be always memoryless.
96 
97  virtual bool MayDisableExecution() const {return false;}
98 
99  };
100 }
101 
102 #endif // _IFFT_base_
103