#include "EFXPresets.h" bool InitializeOpenAL(char *szALDevice, unsigned long ulNumOutputChannels, unsigned long ulNumEffects, unsigned long ulNumSamples, unsigned long ulFrequency); bool ShutdownOpenAL(); unsigned long GetNumEffects(); unsigned long GetNumOutputChannels(); unsigned long GetNumSamplesPerBuffer(); bool Start(); bool Stop(); unsigned long GetBuffersProcessed(); void CommitData(void *pOutput, void **pEffectOutputs); bool SetEFXEAXReverbProperties(EFXEAXREVERBPROPERTIES *pEFXEAXReverb, unsigned long ulEffectNumber);