#import <Cocoa/Cocoa.h>
#import <UVCXcodeProject/VVUVCKit.h>
#import <USBBusProber/USBBusProber.h>
#import "AVCaptureVideoSource.h"
#import "CVGLView.h"




@interface AppDelegate : NSObject <NSApplicationDelegate,AVCaptureVideoSourceDelegate>	{
	CVDisplayLinkRef			displayLink;
	NSOpenGLContext				*sharedContext;
	NSOpenGLPixelFormat			*pixelFormat;
	
	AVCaptureVideoSource		*vidSrc;	//	uses AVCapture API to get video from camera & play it back in the gl view
	VVUVCController				*uvcController;	//	this is the example of how to use this class.  ironic that it's such a small part of the demo app.
	
	IBOutlet NSPopUpButton		*camPUB;	//	pop-up button with the list of available cameras
	IBOutlet CVGLView			*glView;	//	the gl view used to display GL textures received from the camera
}

- (IBAction) camPUBUsed:(id)sender;
- (void) renderCallback;

- (void) populateCamPopUpButton;

- (NSOpenGLContext *) sharedContext;
- (NSOpenGLPixelFormat *) pixelFormat;

@end



CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeStamp *inNow, const CVTimeStamp *inOutputTime, CVOptionFlags flagsIn, CVOptionFlags *flagsOut, void *displayLinkContext);