AEBlockScheduler.h

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//
//  AEBlockScheduler.h
//  TheAmazingAudioEngine
//
//  Created by Michael Tyson on 22/03/2013.
//  Copyright (c) 2013 A Tasty Pixel. All rights reserved.
//

#ifdef __cplusplus
extern "C" {
#endif

#import <Foundation/Foundation.h>
#import "AEAudioController.h"

extern NSString const * AEBlockSchedulerKeyBlock;
extern NSString const * AEBlockSchedulerKeyTimestampInHostTicks;
extern NSString const * AEBlockSchedulerKeyResponseBlock;
extern NSString const * AEBlockSchedulerKeyIdentifier;
extern NSString const * AEBlockSchedulerKeyTimingContext;

typedef void (^AEBlockSchedulerBlock)(const AudioTimeStamp *intervalStartTime, UInt32 offsetInFrames);

typedef void (^AEBlockSchedulerResponseBlock)();

@interface AEBlockScheduler : NSObject <AEAudioTimingReceiver>

+ (uint64_t)now;

+ (uint64_t)hostTicksFromSeconds:(NSTimeInterval)seconds;

+ (NSTimeInterval)secondsFromHostTicks:(uint64_t)ticks;

+ (uint64_t)timestampWithSecondsFromNow:(NSTimeInterval)seconds;

+ (uint64_t)timestampWithSeconds:(NSTimeInterval)seconds fromTimestamp:(uint64_t)timeStamp;

+ (NSTimeInterval)secondsUntilTimestamp:(uint64_t)timestamp;

- (id)initWithAudioController:(AEAudioController*)audioController;

- (void)scheduleBlock:(AEBlockSchedulerBlock)block atTime:(uint64_t)time timingContext:(AEAudioTimingContext)context identifier:(id<NSCopying>)identifier;

- (void)scheduleBlock:(AEBlockSchedulerBlock)block atTime:(uint64_t)time timingContext:(AEAudioTimingContext)context identifier:(id<NSCopying>)identifier mainThreadResponseBlock:(AEBlockSchedulerResponseBlock)response;

- (NSArray*)schedules;

- (NSDictionary*)infoForScheduleWithIdentifier:(id<NSCopying>)identifier;

- (void)cancelScheduleWithIdentifier:(id<NSCopying>)identifier;

@end

#ifdef __cplusplus
}
#endif