/*

Project: CIColorTracking

File: VideoHandler.h

Abstract: 

This is the header file for VideoHandler, a class that handles showing the tracking movie. 

Version 1.0

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*/

#import <Cocoa/Cocoa.h>

#import <QTKit/QTKit.h>

#import <QuartzCore/QuartzCore.h>

@protocol VideoHandlerDelegate

- (void)renderFrame:(CVImageBufferRef)inFrame progress:(double)inProgress;

@end

@interface VideoHandler : NSObject {

    NSRecursiveLock             *lock;

    QTMovie                     *movie;

    QTTime                      movieDuration;

    QTVisualContextRef          qtVisualContext;

    CVDisplayLinkRef            displayLink;

    CGDirectDisplayID           viewDisplayID;

    CVImageBufferRef            currentFrame;

    id<VideoHandlerDelegate>    delegate;

    NSOpenGLView                *view;

}

- (id)initWithView:(NSOpenGLView*)baseView delegate:(id)videoDelegate;

- (BOOL)loadMovieFromPath:(NSString*)moviePath;

- (void)togglePlayback;

- (void)scrubMovie:(double)progress;

- (BOOL)isPlaying;

@end