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Questions tagged [gpuimagestillcamera]

42 questions
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GPU Image : Best resolution with Higher FPS

I am using GPU framework, to record videos. @property (nonatomic, strong) GPUImageStillCamera *stillCamera; I am setting this property which changes Resolution and FPS. self.stillCamera.captureSession.sessionPreset = AVCaptureSessionPresetHigh; On…
Hitendra Solanki
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GPUImage apply filter to GPUImageView

I use GPUImageStillCamera to take a picture and load the picture into a GPUImageView Now how can I apply a filter to a still GPUImageView? The only examples I see online are to first create a GPUImagePicture (which requires a UIImage) but it seems…
MobileMon
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GPUImageStillCamera image preview jumps when taking a photo

I am taking a square cropped photo with GPUImageStillCamera and allowing the user to zoom the camera. When the user clicks to take a picture the camera jumps forward for a split second (as if the camera zoomed in even further past the area the user…
Chase S
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How to change processing image dimension in GPUImage

I'm tired to capture an image from GPUImageStillCamera and I got an image which has dimension 2592 X 1936 and 5.1 MB in size(and the image taken in iPad mini). This is too large(for my app). How to reduce the image dimension while capturing an…
Srinivas
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GPUImage capturePhotoAsImageProcessedUpToFilter only working for the last filter

In my application I am using a stack of 3 filters and adding that to a stillCamera. I am trying to take the image from filter1, its an empty filter so it returns the actual image. [stillCamera addTarget:filter1]; [filter1…
Joe Andolina
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Is there any scenario that can cause ViewDidLoad to be called before didBecomeActive?

I know it's sounds silly but just to clear a point. Is there any chance that view did load will be called before didBecomeActive ? Is it totally impossible ? EDIT We have a crash that happens when user is coming back to the app from the background…
shannoga
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Getting the frame rate of a GPUImageView

I have a GPUImageView which a stack of GPUImageFilters targets to, with a GPUImageVideoCamera at the base. How can I get the frame rate of that specific view for performance testing. I don't want the frame rate of the entire window stack, just the…
kev
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Application is crashing on dispatch_release Semaphore?

I am working on GPUImage framework , to record video using GPUImageVideoCamera . it used to work sometime very flawlessly, but sometimes i go back and forth from my cameraScreen, it does crash sometime . I donot what is happening . I am Using ARC…
kshitij godara
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GPUImage: Keep Recording movie crashed 'Unable to create an OpenGL ES 2.0 context'

When I keep trying to record the video and then finish recording, I get a crash like this FirstGPUImage[768:179067] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Unable to create an OpenGL ES 2.0…
salted_fish
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GPUImageLookupFilter is not giving desired result for the following LUT image

I am having this LUT png and when applying this LUT on my image then is not giving the right result. Is my LUT is having a different format or I am not applying filter properly. UIImage *lutimage = [UIImage imageNamed:@"lut.png"]; …
Anil solanki
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Using GPUImageFilterLookup on live video

I am able to use the GPUImageLookupFilter on still images with no problem but I am not able to apply the lookup filter to live video. Is it possible? If so how? This is what I have for still images: var filteredImage:UIImage! func lookupFilter() { …
thepyramid
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iOS - How to caputre image : resolution 3840x2160, using GPUImageStillCamera?

I need to capture highest resolution image using GPUImageStillCamera, I have tried these properties like : AVCaptureSessionPresetPhoto, AVCaptureSessionPreset1920x1080. It gives me little bit fine result. Please note that when I capture image using…
Ravi
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Cannot save a live video file in gpuimage framework objective c

I'm creating the camera app for ios with live video features by importing GPUImage framework.I used this framework for live photos it was working good.I used the following code for live video with the reference of Brad github, videoCamera =…
developer
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brightness filter is not working in live image GPUImage framework objective c

I'm working with camera live image filters using GPUImage framework, I've tried to perform the following part of code however it doesn't work. GPUImageStillCamera*stillCamera=[[GPUImageStillCamera…
developer
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Is there any way to find GPUImageFilter correspond CIFilter?

I wrote my iOS image processing app using CIFilters. Now I am going to replace the filters as GPUImageFilters. But I don't know how can I find the corresponding GPUImageFilters from previous CIFilters? Is there any way to find exactly same or…
ttotto
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