core/code/audio/f_oggvorbis.h

   1 /*
   2     fegdk: FE Game Development Kit
   3     Copyright (C) 2001-2008 Alexey "waker" Yakovenko
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19     Alexey Yakovenko
  20     waker@users.sourceforge.net
  21 */
  22
  23 #ifndef __F_OGGVORBIS_H
  24 #define __F_OGGVORBIS_H
  25
  26 #include "f_baseobject.h"
  27 #include "f_helpers.h"
  28 #include "f_basesound.h"
  29
  30 struct OggVorbis_File;
  31 struct vorbis_info;
  32
  33 // FIXME: make vorbis streaming and playback into separate classes
  34
  35 namespace fe
  36 {
  37
  38         class baseSoundBuffer;
  39         class vorbisFile;
  40         class file;
  41
  42         class FE_API oggFeeder : public genericCallback
  43         {
  44         private:
  45                 vorbisFile *mpFile;
  46         public:
  47                 oggFeeder (vorbisFile *file);
  48                 virtual void call (void *data);
  49         };
  50
  51         class FE_API vorbisFile : public baseSound
  52         {
  53                 friend class oggFeeder;
  54
  55         protected:
  56
  57                 oggFeeder                               mFeeder;
  58             baseSoundBuffer*            mpBuffer;
  59                 char*                                   mpPCMOut;
  60                 OggVorbis_File*                 mpVorbisFile;
  61                 bool                                    mbEOF;
  62                 int                                             mCurrentSection;
  63                 file*                                   mpFile;
  64                 int                                             mHaveBytes;
  65                 bool                                    mbLooping;
  66                 bool                                    mbPaused;
  67                 float                                   mVolume;
  68                 bool                                    mbStreaming;
  69                 vorbis_info*                    mpVI;
  70
  71                 void open (void);
  72                 void update (void);
  73
  74         public:
  75
  76                 vorbisFile (const char *name);
  77                 ~vorbisFile (void);
  78
  79                 void play (bool looped);
  80                 void stop (void);
  81                 void pause (bool onoff);
  82                 void setVolume (float volume);
  83                 bool isPlaying (void) const;
  84                 int getChannelsCount (void) const;
  85                 smartPtr <baseSound>    duplicate (void);
  86         };
  87
  88 }
  89
  90 #endif // __F_OGGVORBIS_H