CLAM-Development  1.4.0
MultiChannelAudioFileReader.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 #ifndef MultiChannelAudioFileReader_hxx
23 #define MultiChannelAudioFileReader_hxx
24 
25 #include "Processing.hxx"
27 #include "AudioFile.hxx"
28 #include "Audio.hxx"
29 #include "OutControl.hxx"
30 #include <vector>
31 
32 namespace CLAM
33 {
34 
35  class AudioOutPort;
36 
38  {
39  public:
42 
44 
45  virtual const char* GetClassName() const;
46  virtual const ProcessingConfig& GetConfig() const;
47  virtual bool Do();
48  virtual bool Do( std::vector<Audio>& outputs );
50  const AudioFileHeader & GetHeader() const { return mAudioFile.GetHeader(); }
52  const EAudioFileCodec GetCodec() const { return mAudioFile.GetCodec(); }
53  const std::vector<TIndex> & GetSelectedChannels() const {return mSelectedChannels;}
54 
55  void Pause() { mIsPaused = (mIsPaused)?false:true; }; //TODO change to Qt boolean interface (pau)
56 
57  protected: // methods
58 
59  virtual bool ConcreteConfigure( const ProcessingConfig& cfgObject );
60  virtual bool ConcreteStart();
61  virtual bool ConcreteStop();
62 
63  void ResizePorts(unsigned nPorts);
64 
65  protected: // attributes
66 
67  typedef std::vector< AudioOutPort* > OutputVector;
68  typedef std::vector< Audio* > OutRefsVector;
69 
73  std::vector< TIndex > mSelectedChannels;
74  std::vector< TData* > mSamplesMatrix;
79  bool mIsPaused;
81  };
82 }
83 
84 #endif // MultiChannelAudioFileReader.hxx
85