CvVideoCamera flickering iOS (Bug #4017)

Added by Ashwin Prasad over 10 years ago. Updated over 9 years ago.

Status:	New	Start date:	2014-11-20
Priority:	High	Due date:
Assignee:	Alexander Shishkov	% Done:	0%
Category:	ios
Target version:	3.0
Affected version:	branch 'master' (3.0-dev)	Operating System:	iOS
Difficulty:	Medium	HW Platform:	ARM
Pull request:

Description

The CvVideoCamera is causing the camera capture to flicker on iOS devices using OpenCV 3.0 beta.
The same code was working fine with OpenCV 2.4.9

//ViewController.h

#import "opencv2/videoio/cap_ios.h" 
 @interface ViewController : UIImageView&lt;CvVideoCameraDelegate&gt;
 @property (nonatomic, strong) CvVideoCamera* videoCamera;

//ViewController.m

self.videoCamera = [[CvVideoCamera alloc] initWithParentView:self];
 self.videoCamera.defaultAVCaptureDevicePosition = AVCaptureDevicePositionFront;
 self.videoCamera.defaultAVCaptureSessionPreset = AVCaptureSessionPreset640x480;
 self.videoCamera.defaultAVCaptureVideoOrientation = AVCaptureVideoOrientationPortrait;
 self.videoCamera.defaultFPS = 30;
 self.videoCamera.delegate = self;
 self.videoCamera.parentView = self;