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Questions tagged [avcaptureoutput]

51 questions
14
votes
2 answers

How to Record video using AVCaptureVideoDataOutput

Am using AVCaptureSession to get the camera output and have added successfully the audio and video inputs and outputs. { var captureDevice = AVCaptureDevice.defaultDeviceWithMediaType(AVMediaTypeVideo) as AVCaptureDevice var error:…
Rajjjjjj
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11
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3 answers

Pass data from ViewController to Representable SwiftUI

I am doing an object detection and used UIViewControllerRepresentable to add my view controller. The thing is that I can't pass data from my ViewController to my SwiftUI view. I can print it tho. Can someone help me? This is my code: // import…
Yonus
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9
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1 answer

Type 'OSType' does not conform to protocol 'AnyObject' in Swift 2.0

I just updated to Xcode 7 beta with Swift 2.0. And when I updated my project to Swift 2.0, I got this error: "Type 'OSType' does not conform to protocol 'AnyObject' in Swift 2.0". My project works perfectly in Swift 1.2. And here is the code got…
hiennv92
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1 answer

iOS: error in __connection_block_invoke_2: Connection interrupted

Xcode/iOS 8/AVFoundation related error in console: error in __connection_block_invoke_2: Connection interrupted I am just adding AVCaptureVideoDataOutput to Apple's sample app 'AVCamManualUsingtheManualCaptureAPI' What I added was: // CoreImage…
Gizmodo
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8
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1 answer

How to avoid AVCaptureVideoPreviewLayer from blinking when changing AVCaptureOutput

I have a running session and a preview layer that is presented inside my view. I need to change the output several times in my application among AVCaptureStillImageOutput, AVCaptureMetadataOutput and AVCaptureVideoDataOutput, while my preview…
EdiZ
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7
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3 answers

How to convert CVImageBuffer to UIImage?

I have temporary variable tmpPixelBuffer with pixel buffer data, which is not nil, and when metadata objects are detected I want to create image from that buffer, so I could crop metadata images from that image. Image is always nil, what do I do…
Shmidt
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AVFoundation captureOutput didOutputSampleBuffer Delay

I am using AVFoundation captureOutput didOutputSampleBuffer to extract an image then to be used for a filter. self.bufferFrameQueue = DispatchQueue(label: "bufferFrame queue", qos: DispatchQoS.background, attributes: [], autoreleaseFrequency:…
Gizmodo
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AVCaptureVideoDataOutput and AVCaptureVideoStabilizationModeCinematic preview lag

I have scratched my head for years but no outcome on this. When I have AVCaptureVideoDataOutput set and OpenGLES rendering of frames using AVCaptureVideoStabilizationModeCinematic, there is considerable delay in the preview. The delay is much much…
Deepak Sharma
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3
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1 answer

AVCaptureSession Audio preview

I apologise in advance for the "dumb" question, but I feel I have exhausted all resources. I have little to no experience with Swift and coding in general but I understand much based on past experience and use of object based programming such as MAX…
Iwan Lane
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2 answers

AVCaptureSession resolution doesn't change with AVCaptureSessionPreset

I want to change the resolution of pictures I take with the camera on OS X with AV Foundation. But even if I change the resolution of my AVCaptureSession, the output picture size doesn't change. I always have a 1280x720 picture. I want a lower…
Namhto94
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1 answer

Why are my AVCapturePhotoOutput file outputs so large?

I'm creating a camera app and everything is working well but the file-size of the photos that is being uploaded to Firebase are too big. They are in the 3MB category and I would like them to be in the ±600KB category. I have set the…
Brewski
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2
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1 answer

Capturing video and saving it via AVAssetWriter

I want to save AVAssetWriter output to the camera roll, I'm currently saving it to the documents directory. I have tried to use the UISaveVideoAtPathToSavedPhotosAlbum(_:_:_:_:) . I am currently using AVAssetWriter to write to the…
Brody Higby
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1 answer

iOS: captureOutput function isn't called using AVCaptureMovieFileOutput and AVCaptureVideoDataOutput

I'm trying to implement a View which can show the preview video of the rear camera and process the captured frames. I would like to use two outputs: one to save the video and one to process each frame. let movieOutput =…
Ricardo
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PIP Effect on custom camera in ios

I am trying to create pip effect camera in ios using swift 4,for that I have taken the following controls: View FrontCameraView(ImageView) BackCameraView(ImageView) MaskedCameraView(ImageView) FrontCameraView takes the blur image,Frame Image takes…
Pratz_iOS
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Multiple AVCaptureVideoDataOutput per a single AVCaptureDevice at the same time

Scenario I am working on an application that does video processing and streaming. I already have video capture from the back camera streaming perfectly. The problem is I have to do my processing to the video data also, but only locally. As it turns…
Brandon A
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