#import <Foundation/Foundation.h>
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#import <AVFoundation/AVFoundation.h>
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#import "GPUImageContext.h"
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extern NSString *const kGPUImageColorSwizzlingFragmentShaderString;
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@protocol GPUImageMovieWriterDelegate <NSObject>
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@optional
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- (void)movieRecordingCompleted;
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- (void)movieRecordingFailedWithError:(NSError*)error;
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@end
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@interface GPUImageMovieWriter : NSObject <GPUImageInput>
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{
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BOOL alreadyFinishedRecording;
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NSURL *movieURL;
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NSString *fileType;
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AVAssetWriter *assetWriter;
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AVAssetWriterInput *assetWriterAudioInput;
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AVAssetWriterInput *assetWriterVideoInput;
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AVAssetWriterInputPixelBufferAdaptor *assetWriterPixelBufferInput;
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GPUImageContext *_movieWriterContext;
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CVPixelBufferRef renderTarget;
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CVOpenGLESTextureRef renderTexture;
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CGSize videoSize;
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GPUImageRotationMode inputRotation;
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}
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@property(readwrite, nonatomic) BOOL hasAudioTrack;
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@property(readwrite, nonatomic) BOOL shouldPassthroughAudio;
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@property(readwrite, nonatomic) BOOL shouldInvalidateAudioSampleWhenDone;
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@property(nonatomic, copy) void(^completionBlock)(void);
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@property(nonatomic, copy) void(^failureBlock)(NSError*);
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@property(nonatomic, assign) id<GPUImageMovieWriterDelegate> delegate;
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@property(readwrite, nonatomic) BOOL encodingLiveVideo;
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@property(nonatomic, copy) BOOL(^videoInputReadyCallback)(void);
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@property(nonatomic, copy) BOOL(^audioInputReadyCallback)(void);
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@property(nonatomic, copy) void(^audioProcessingCallback)(SInt16 **samplesRef, CMItemCount numSamplesInBuffer);
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@property(nonatomic) BOOL enabled;
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@property(nonatomic, readonly) AVAssetWriter *assetWriter;
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@property(nonatomic, readonly) CMTime duration;
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@property(nonatomic, assign) CGAffineTransform transform;
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@property(nonatomic, copy) NSArray *metaData;
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@property(nonatomic, assign, getter = isPaused) BOOL paused;
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@property(nonatomic, retain) GPUImageContext *movieWriterContext;
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// Initialization and teardown
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- (id)initWithMovieURL:(NSURL *)newMovieURL size:(CGSize)newSize;
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- (id)initWithMovieURL:(NSURL *)newMovieURL size:(CGSize)newSize fileType:(NSString *)newFileType outputSettings:(NSDictionary *)outputSettings;
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- (void)setHasAudioTrack:(BOOL)hasAudioTrack audioSettings:(NSDictionary *)audioOutputSettings;
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// Movie recording
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- (void)startRecording;
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- (void)startRecordingInOrientation:(CGAffineTransform)orientationTransform;
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- (void)finishRecording;
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- (void)finishRecordingWithCompletionHandler:(void (^)(void))handler;
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- (void)cancelRecording;
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- (void)processAudioBuffer:(CMSampleBufferRef)audioBuffer;
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- (void)enableSynchronizationCallbacks;
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@end
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