oalplayback.h

This is an example application that shows how to use OpenAL to play sounds on an iPhone.

/*
 
 File: oalPlayback.h
 
 Abstract: An Obj-C class which wraps an OpenAL playback environment. 
 It provides start/stop of playback, and spatial positioning for the 
 listener and a single sound source.
 
 Version: 1.0
 
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#import <UIKit/UIKit.h>
#import <OpenAL/al.h>
#import <OpenAL/alc.h>

#define kDefaultDistance 25.0

@interface oalPlayback : NSObject
{
	ALuint			_source;
	ALuint			_buffer;
	void			*_data;
	CGPoint			_sourcePos;
	CGPoint			_listenerPos;
	CGFloat			_listenerRotation;
	ALfloat			_sourceVolume;
	BOOL			_isPlaying;
}

@property			BOOL isPlaying; // Whether the sound is playing or stopped
@property			CGPoint sourcePos; // The coordinates of the sound source
@property			CGPoint listenerPos; // The coordinates of the listener
@property			CGFloat listenerRotation; // The rotation angle of the listener in radians
@property			ALfloat sourceVolume; // The volume of the sound source

- (void)initOpenAL;

- (void)startSound;
- (void)stopSound;

@end