avcapturesession
NSRunLoop and GCD queues
I am creating a c++ library for use on iOS (yes, unfortunately it has to be C++) which uses AVCaptureSession to capture video frames, which are delivered via the captureOutput callback. The C++ librar[详细]
2023-02-14 10:05 分类：问答Applying Effect to iPhone Camera Preview "Video"
My goal is to write a custom camera view controller that: Can take photos in all four interface orientations with both the back and, when available, front camera.[详细]
2023-02-08 05:39 分类：问答Applying Effect to iPhone Camera Preview "Video" Using OpenGL
My goal is to write a custom camera view controller that: Can take photos in all four interface orientations with both the back and, when available, front camera.[详细]
2023-02-08 05:37 分类：问答Alternatives to creating an openGL texture from a captured video frame to overlay an openGL view over video? (iPhone)
This is mostly relevant for augmented reality type applications. Apple provides information on how to capture video frames (and save them as images if need be) with AVCaptureSession here:[详细]
2023-01-30 23:22 分类：问答How to use AVCaptureSession to stream live preview video, then take a photo, then return to streaming
I have an application that creates its own live preview prior to taking a still photo.The app needs to run some processing on the image data and thus is not able to rely on AVCaptureVideoPreviewLayer.[详细]
2023-01-30 08:49 分类：问答AVCaptureSession returning blank image on iphone 4
I am trying to call the \'media capture putting it all together\' example from AVFoundation Programming Guide. I keep getting a blank (black) image. Is there anything I need to call first to have this[详细]
2023-01-27 08:22 分类：问答How to get the Y component from CMSampleBuffer resulted from the AVCaptureSession?
Hey there, I am trying to access raw data from iphone camera using AVCaptureSession. I follow the guide provided by Apple (link here).[详细]
2023-01-23 11:03 分类：问答AVCapture appendSampleBuffer
I am going insane with this one - have looked everywhere and tried anything and everything I can thinks of.[详细]
2023-01-18 23:15 分类：问答AVCapture Session [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]
2023-01-18 10:00 分类：问答Need to modify image before displaying on AVCaptureVideoPreviewLayer
I\'m using AVCaptureSession to capture video from my iPhone 3G and I need to capture the image and change it before displaying o开发者_JS百科n my AVCaptureVideoPreviewLayer. In my current implementati[详细]
2023-01-18 03:10 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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