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Questions tagged [gpuimagestillcamera]

42 questions
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Issue with orientation of Image captured in landscape mode with GPUImageStillCamera

I am developing an Application where I am capturing image in landscape mode when device orientation is OFF. I am using GPUImageStillCamera for capturing image. But I'm getting issue in rotation of image. Issue is, When I capture image in landscape…
Sushil Sharma
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Two GPUImageStillCameras in my navigation stack - one won't work if the second one is created

I've got an application with a primary UIViewController, and a secondary one that is meant to be presented modally after a button is tapped. Both of the UIViewControllers have their own GPUImageStillCamera with a corresponding GPUImageView added as…
Martin Herman
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How to use GPUImageMaskFilter with camera input

I'm using BradLarson's GPUImage iOS framework. I'm trying to add a mask to my live camera input following the example in the filtershowcase. With other filters this simple chain works but with GPUImageMaskFilter it doesn't. My output is just a white…
user1698475
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Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Filter shader link failed'

I need to show live camera feed. I used GPUImage, when i execute the code i'm getting this error. I referred some document and i written code in viewDidLoad. when i open the app, it crashing. - (void)viewDidLoad { [super viewDidLoad]; …
user3602987
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App crash due to memory warning when calling "GPUImagePicture ProcessImage" repeatedly

I have implemented a group filter(GPUImageSepiaFilter, GPUImageExposureFilter, GPUImageSepiaFilter) for image editing. And I have one slider which is used to set custom "Exposure" (setExposure:) value. On the "didValueChanged" action method of…
Srinivas
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GPUImageStillCamera is not working

I have a UIViewController which has a child hierarchy like this and then, I use this code to show camera preview stillCamera = [[GPUImageStillCamera alloc] init]; stillCamera.outputImageOrientation = UIInterfaceOrientationPortrait; filter =…
Oscar Yuandinata
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How to Detect corners on image using GPUImageHarrisCornerDetectionFilter

I'm trying to crop an image with a square in it by detecting the corners. The method below attempts to find the corners, but I'm not really sure how to finish the process. Any thoughts? The optimal function would detect corners, crop the image…
William Falcon
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GPUImageHistogramFilter with GPUImageFilterPipeline

I am using GPUImage in my photo app to make some image filter options. In the app, there is an option to add multiple filters while capture an image, so to handle multiple filters, I have used GPUImageFilterPipeline. Every filter effect, those I…
Srinivas
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Can I detect whether the camera is running with GPUImage?

Is there an easy way of detecting whether the camera is running while using GPUImage? Currently to start the camera I run: [_camera startCameraCapture]; and [_camera stopCameraCapture]; to stop it. I have found though that if I run…
sam_smith
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flash timing issue with ios photo capture with GPUImage

Half the times the captured photo comes up totally dark when using flash - the ios camera app doesn't misfire like this. the gpuimage code for above is at…
user3127923
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GPUImageNormalBlendFilter issue

I am using GPUImage Famewark and in which, when I use GPUImageNormalBlendFilter with still camera, image in not showing on camera to record video while when I use other blend such as overlay, add, etc... Image is showing perfectly with the…
Hindu
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Check Device Type For GPUImage

GPUImage requires, for iPhone 4 and below, images smaller than 2048 pixels. The 4S and above can handle much larger. How can I check to see which device my app is currently running on? I haven't found anything in UIDevice that does what I'm looking…
Rob
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