SoundEngine.h

   1 /*
   2     =================
   3    = SoundEngine.h =
   4   =================
   5
   6   The sound engine.
   7
   8 This is sorta a wrapper around SDL_Mixer
   9 It handles the sample cache though, so things don't get loaded
  10   way too many times. SDL_Mixer is a really quite nice
  11   and simple audio implementation.
  12
  13   Copyright (c)2006 - Brett Lajzer
  14 */
  15
  16 #ifndef SOUNDENGINE_H
  17 #define SOUNDENGINE_H
  18
  19 #include "SDL/SDL_mixer.h"
  20 #include <map>
  21 #include <string>
  22
  23 class SoundEngine{
  24 public:
  25     SoundEngine(){}; //don't ever instantiate this class. seriously.
  26     static void open();
  27     static void close();
  28     static void play_music(const char *filename, int loops); //loops = -1 -> loops forever
  29     static void stop_music();
  30     static void play_sample(const char *filename);
  31     static void load_sample(const char *filename);
  32     static void unload_sample(const char *filename);
  33     static void clear_samples();
  34
  35 private:
  36     static Mix_Music *_music; // the music pointer
  37     static std::string _m_filename; //the music filename
  38     static std::map<std::string, Mix_Chunk *> _samples; //the sample cache
  39     static const int _channels = 16; //the number of mixing channels
  40     static const int _rate = 44100; //the mix rate in Hz
  41     static const int _format = MIX_DEFAULT_FORMAT; //the output format
  42     static const int _op_channels = 2; //output channels, 2 == stereo
  43     static const int _chunksize = 2048; //output chunk size
  44 };
  45 #endif