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GPUImage 3 is a BSD-licensed Swift framework for GPU-accelerated video and image processing using Metal.

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I run the sample code like below do { camera = try Camera(sessionPreset: .photo) movie = MovieInput(url:movieURL, playAtActualSpeed:true) filter = ChromaKeyBlend() filter.colorToReplace = Color(red: 0, green: 1, blue: 0) camera...

Hi, we are considering using GPUImage3 for some image processing tasks in our project. Unfortunately, I couldn't figure out which interpolation methods are available for image resizing. I read that...

effect = LookupFilter() effect.lookupImage = PictureInput(image: UIImage(named: "effect1")!) effect.intensity = 1 let filteredImage = originalImage?.filterWithOperation(effect) when i'm trying to apply lookup filter getting error "Unexpectedly found nil while unwrapping an...

Hi! Is it possible to add to the camera, for example, a UILabel with dynamic text that changes text every second and record this?

Hello @RedQueenCoder! Followed your blog post http://redqueengraphics.com/2018/08/24/metal-shaders-vibrance/ to here =) The negative vibrance uniform and the linear interpolation threw me off a bit: https://github.com/BradLarson/GPUImage3/blob/222868e1ba4137a9934b2135635783ef7083eb4d/framework/Source/Operations/Vibrance.metal#L19-L20 If we remove the negative uniform...

Fixed #63: - using MTLArgument to get right uniform argument buffer data size; - `generateRenderPipelineState(device:vertexFunctionName:fragmentFunctionName:operationName:)` return ShaderUniformSettings directly; - `convertYUVToRGB(pipelineState:uniformSettings:luminanceTexture:chrominanceTexture:secondChrominanceTexture:resultTexture:colorConversionMatrix:)` receive ShaderUniformSettings as uniformSettings parameter;

Hi there I want to record video from Camera with GPUImage3 and I run the example SimpleVideoRecorder for MAC, It works good when I use macbook, but I can only...