avcapturedevice
Why rotate Image in OpenCV without rotation code?
I am taking photo using AVCaptureStillImageOutput, AVCaptureSession, AVCaptureVideoPreviewLayer and display it in UIImageView. Its work properly.[详细]
2023-03-12 05:07 分类:问答AVCaptureSession output sample buffer save to CoreData
I am using an AVCaptureSession to capture frames from the camera using the setSampleBufferDelegate method from the AVCaptureVideoDataOutput class. The delegate method looks like the following. You can[详细]
2023-02-25 20:35 分类:问答iPhone 4 AVFoundation : Capture from front and rear cameras simultaneously
I was wondering if it was possible to capture from both cameras simultaneously using AVFoundation framework. Specifically, my question is whether both front and rear AVCaptureDevices can be active at[详细]
2023-02-06 17:28 分类:问答AVCaptureDevice focusPointOfInterest doesn't change
I have an IBAction with this code: .h file: AVCaptureDevice *device; .m file: - (IBAction)focusInfo { if (device == nil) {[详细]
2023-01-31 11:23 分类:问答Why AVCaptureSession output a wrong orientation?
So, I followed Apple\'s instructions to capture video session using AVCaptureSession: http://developer.apple.com/iphone/library/qa/qa2010/qa1702.html. One problem I\'m facing is that even though the o[详细]
2023-01-12 19:08 分类:问答How to calculate focusPointOfInterest for AVCaptureDevice?
How do you calculate the focusPointOfInterest (a CGPoint value between 0,0 and 1,1) for an given AVCaptureDevice?[详细]
2023-01-12 06:59 分类:问答AVCaptureSession cancels background audio
Whenever I start an AVCaptureSession running with the microphone as an input it cancels whatever background music is currently running (iPod music for instance).If I comment out the line adding the au[详细]
2023-01-12 04:42 分类:问答革命军的作者是谁啊??
buou987 开发者_如何学运维 2022-05-09 22:41 邹容MC透明 2022-05-09 22:45 开发者_JS百科邹容(1885年—1905年),中国近代著名资产阶级革命宣传家,原名桂文,又名威丹、蔚丹、绍陶,留学日本时改名邹容[详细]
2022-12-21 17:35 分类:问答