avfoundation

AVFoundation is just great for those who want to get hands dirty, but there still a lot of basic stuff not easy to figure like how to save the pictures taken from device to Photo Album Any ideas? Here is a step by step tutorial on how to capture an image using AVFoundation and save it to photo album. Add a UIView object to the NIB (or as a subview), and create a @property in your controller: @property(nonatomic, retain) IBOutlet UIView *vImagePreview; Connect the UIView to the outlet above in IB, or assign it directly if you’re using code instead of a NIB. Then edit your UIViewController , and

AVPlayer is fully customizable, unfortunately there are convenient methods in AVPlayer for showing the time line progress bar. AVPlayer *player = [AVPlayer playerWithURL:URL]; AVPlayerLayer *playerLayer = [[AVPlayerLayer playerLayerWithPlayer:avPlayer] retain];[self.view.layer addSubLayer:playerLayer]; I have an progress bar that indicates the how video has been played, and how much remained just as like MPMoviePlayer . So how to get the timeline of video from AVPlayer and how to update the progress bar Suggest me. iOSPawan Please use the below code which is from apple example code

AVCaptureVideoPreviewLayer *avLayer = [AVCaptureVideoPreviewLayer layerWithSession:session]; avLayer.frame = self.view.frame; [self.view.layer addSublayer:avLayer]; I use AVCaptureVideoPreviewLayer to display video on the view. But the video's view didn't fill up the full iPhone4's screen.(two grey bar at the right&left side) I want the video fills up full screen. How can I deal with it? Thank you very much! Maybe this solves it? CGRect bounds=view.layer.bounds; avLayer.videoGravity = AVLayerVideoGravityResizeAspectFill; avLayer.bounds=bounds; avLayer.position=CGPointMake(CGRectGetMidX(bounds)

How can I do face detection in realtime just as "Camera" does? I noticed that AVCaptureStillImageOutput is deprecated after 10.0, so I use AVCapturePhotoOutput instead. However, I found that the image I saved for facial detection is not so satisfied? Any ideas? UPDATE After giving a try of @Shravya Boggarapu mentioned. Currently, I use AVCaptureMetadataOutput to detect the face without CIFaceDetector . It works as expected. However, when I'm trying to draw bounds of the face, it seems mislocated. Any idea? let metaDataOutput = AVCaptureMetadataOutput() captureSession.sessionPreset =

All, I have a basic question that I am struggling with here. When you look at the findmyicone sample code from WWDC 2010, you will see this: static const uint8_t orangeColor[] = {255, 127, 0}; uint8_t referenceColor[3]; // Remove luminance static inline void normalize( const uint8_t colorIn[], uint8_t colorOut[] ) { // Dot product int sum = 0; for (int i = 0; i < 3; i++) sum += colorIn[i] / 3; for (int j = 0; j < 3; j++) colorOut[j] = (float) ((colorIn[j] / (float) sum) * 255); } And then it is called: normalize(orangeColor, referenceColor); Running the debugger, it is converting BGRA: (Red