AEAudioPasteboard.h

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//
//  AEAudioPasteboard.h
//  TheAmazingAudioEngine
//
//  Created by Michael Tyson on 23/08/2016.
//  Copyright © 2016 A Tasty Pixel. All rights reserved.
//

#import "AETypes.h"

extern NSString * const AEAudioPasteboardInfoNumberOfChannelsKey; 
extern NSString * const AEAudioPasteboardInfoLengthInFramesKey; 
extern NSString * const AEAudioPasteboardInfoDurationInSecondsKey; 
extern NSString * const AEAudioPasteboardInfoSampleRateKey; 
extern NSString * const AEAudioPasteboardInfoSizeInBytesKey; 

extern NSString * const AEAudioPasteboardChangedNotification;

extern NSString * const AEAudioPasteboardErrorDomain;

enum {
    AEAudioPasteboardErrorCodeNoItem,
};

typedef void (^AEAudioPasteboardGeneratorBlock)(AudioBufferList * buffer, UInt32 * ioFrames, BOOL * finished);

@class AEAudioPasteboardReader;

@interface AEAudioPasteboard : NSObject

+ (NSDictionary *)infoForGeneralPasteboardItem;

+ (void)pasteToFileAtPath:(NSString *)path fileType:(AEAudioFileType)fileType sampleRate:(double)sampleRate
             channelCount:(int)channelCount completionBlock:(void (^)(NSError * errorOrNil))completionBlock;

+ (void)copyFromFileAtPath:(NSString *)path completionBlock:(void (^)(NSError * errorOrNil))completionBlock;

+ (void)copyUsingGenerator:(AEAudioPasteboardGeneratorBlock)generator
          audioDescription:(AudioStreamBasicDescription)audioDescription
           completionBlock:(void (^)(NSError * errorOrNil))completionBlock;

@end

@interface AEAudioPasteboardReader : NSObject

+ (instancetype)readerForGeneralPasteboardItem;

- (void)readIntoBuffer:(AudioBufferList *)buffer length:(UInt32 *)ioFrames;

- (void)reset;

@property (nonatomic) AudioStreamBasicDescription clientFormat;

@property (nonatomic, readonly) AudioStreamBasicDescription originalFormat;

@end