#import @interface AudioClient : NSObject @property (strong) void (^renderBlock)(UInt32 sampleRate, UInt32 nFrames, SInt16 *buffer); @property (readonly) UInt32 rate; @property (readonly, getter=isPlaying) bool playing; -(void) start; -(void) stop; -(id) initWithRendererBlock:(void (^)(UInt32 sampleRate, UInt32 nFrames, SInt16 *buffer)) block andSampleRate:(UInt32) rate; @end