CLAM-Development  1.4.0
PCMAudioStream.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 __PCMAudioStream__
23 #define __PCMAudioStream__
24 
25 #if USE_SNDFILE != 1
26 #error USE_SNDFILE was not set to 1 in your settings.cfg file, but you are including files that require this. Please fix your settings.cfg
27 #endif
28 
29 #include "AudioCodecs_Stream.hxx"
30 #include <sndfile.h>
31 #include <string>
32 
33 namespace CLAM
34 {
35 
36 namespace AudioCodecs
37 {
38 
39  class PCMAudioStream : public Stream
40  {
41  public:
42  PCMAudioStream( const AudioFile& file );
44 
45  void PrepareReading();
46  void PrepareWriting();
47  void Dispose();
48  void SeekTo(long unsigned framePosition);
49 
50  protected:
51  void DiskToMemoryTransfer();
52  void MemoryToDiskTransfer();
53 
54  private:
55  SNDFILE* mFileHandle;
56  SF_INFO mNativeFileParams;
57  std::string mName;
58  };
59 
60 }
61 
62 }
63 #endif // PCMAudioStream.hxx
64