core/code/audio/openal/openalsounddriver.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     Alexander Maltsev
  20     keltar@users.sourceforge.net
  21 */
  22
  23 #ifndef __F_OPENALSOUNDDRIVER_H
  24 #define __F_OPENALSOUNDDRIVER_H
  25
  26 #include "basesounddriver.h"
  27
  28 namespace fe
  29 {
  30
  31         class openalSoundDriverData;
  32         class openalSoundDriver;
  33
  34         class FE_API openalSoundBuffer : public baseSoundBuffer
  35         {
  36         private:
  37                 bool mbPaused;
  38                 std::vector <uint>              mSourceIds;
  39                 int                     mNumBuffers;
  40                 struct buffer_t
  41                 {
  42                         uint id;
  43                         buffer_t *next;
  44                 };
  45                 buffer_t*       mpBuffers;
  46                 buffer_t*       mpCurrentBuffer;
  47                 bool            mbLooping;
  48                 genericCallback *mpFeeder;
  49                 openalSoundDriver*      mpDriver;
  50                 float           mVolume;
  51
  52                 void addBuffer (void);
  53                 void freeBuffers (void);
  54                 buffer_t *getNextBuffer (buffer_t *buffer);
  55         public:
  56                 openalSoundBuffer (openalSoundDriver *driver, int freq, int sample_rate, bool stereo, size_t size, bool streaming);
  57                 ~openalSoundBuffer (void);
  58
  59                 void write (void *data, int size, int fmt, int sample_rate);
  60                 void setLooping (bool onOff);
  61                 void play (void);
  62                 void stop (void);
  63                 int getChannelsCount (void) const;
  64                 bool isPlaying (void) const;
  65                 void setFeeder (genericCallback *callback);
  66                 void update (void);
  67                 void setVolume (float vol);
  68                 void setMaxSources (int num);
  69                 void pause (bool onoff);
  70                 int getNumBuffers (void) const;
  71         };
  72
  73         class FE_API openalSoundDriver : public baseSoundDriver
  74         {
  75                 friend class openalSoundBuffer;
  76         private:
  77                 openalSoundDriverData *mpData;
  78                 openalSoundBuffer** mpBuffers;
  79                 int mMaxBuffers;
  80                 int mNumBuffers;
  81
  82         protected:
  83
  84                 void addBuffer (openalSoundBuffer *buf);
  85                 void removeBuffer (openalSoundBuffer *buf);
  86
  87         public:
  88                 openalSoundDriver (void);
  89                 ~openalSoundDriver (void);
  90
  91                 void    update (void);
  92 //              openalSoundDriverData *getData (void);
  93                 openalSoundBuffer* createBuffer (int freq, int sample_rate, bool stereo, size_t size, bool streaming);
  94
  95         protected:
  96                 void createPool ();
  97         };
  98
  99 }
 100
 101 #endif // __F_OPENALSOUNDDRIVER_H