// values for platform specific sound initialization
#define AUDIO_SAMPLE_RATE_22050 22050
+#define AUDIO_SAMPLE_RATE_44100 44100
#define AUDIO_FRAGMENT_SIZE_512 512
#define AUDIO_FRAGMENT_SIZE_1024 1024
void Mixer_InitChannels(void);
void StartMixer(void);
+boolean isSoundPlaying(int);
+
// sound client functions
void PlayMusic(int);
void PlayMusicLoop(int);