FAQ Database Discussion Community


Inactive/invalid connection passed when attempting to take a photo

ios,iphone,swift,avcapturesession,avcapture
I am attempting to take a photo using a custom view (without using UIImagePickerController), but whenever I attempt to take the photo, the app crashes, and this error is thrown: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[AVCaptureStillImageOutput captureStillImageAsynchronouslyFromConnection:completionHandler:] - inactive/invalid connection passed.' Here's my takePhoto() function, which causes...

AVFoundation I use setActiveVideoMinFrameDuration didn't work

ios,avfoundation,avcapture
I use AVCaptureVideoDataOutput in my demo ,for take photos in loop (like scanner) without sound, so i set fps to low Level [device setActiveVideoMinFrameDuration:CMTimeMake(1, 1)]; [device setActiveVideoMaxFrameDuration:CMTimeMake(1, 1)]; In my code, then do this - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection { NSLog(@"date"); } for check is it work, I found...

AVCaptureVideoPreviewLayer and preview from camera position

swift,sdk,ios8,avcapture
I'm developing an app that permits user to takes photo. I've started using AVCam apple provides but i'm actually have a problem Simply i cannot position the camera layer where i want but it's positioned automatically on center of the View On the left side you can see what i...

Objective-C AVCaptureDevice Front Camera

ios,objective-c,camera,avcapturedevice,avcapture
I have followed a tutorial that guided through a way to make a custom but simple camera app, almost exactly to the needs of the use I would like it. I actually have two issues that I need changing but I will focus on this first one for now. The...