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https://github.com/yangKJ/Harbeth

🎨 GPU accelerated image / video and camera filter library based on Metal. Support macOS & iOS. 图像、视频、相机滤镜框架
https://github.com/yangKJ/Harbeth

camera coreimage filter graphics image metal video vr

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🎨 GPU accelerated image / video and camera filter library based on Metal. Support macOS & iOS. 图像、视频、相机滤镜框架

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README 

        
# Harbeth



| Animated | Still |

| :---: | :---: |

|||



[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-brightgreen.svg?style=flat&colorA=28a745&&colorB=4E4E4E)](https://github.com/yangKJ/Harbeth)

[![CocoaPods Compatible](https://img.shields.io/cocoapods/v/Harbeth.svg?style=flat&label=Harbeth&colorA=28a745&&colorB=4E4E4E)](https://cocoapods.org/pods/Harbeth)

[![CocoaPods Compatible](https://img.shields.io/cocoapods/v/OpencvQueen.svg?style=flat&label=OpenCV&colorA=28a745&&colorB=4E4E4E)](https://cocoapods.org/pods/OpencvQueen)

![Platform](https://img.shields.io/badge/Platforms-iOS%20%7C%20macOS%20%7C%20watchOS-4E4E4E.svg?colorA=28a745)

 

[**Harbeth**](https://github.com/yangKJ/Harbeth) is a high performance Swift library for GPU accelerated image processing and realtime camera capture and video smooth playback, and then add filters based on Metal, and also compatible for CoreImage filters and using Metal performance shaders filters.



This library is highly inspired by [GPUImage](https://github.com/BradLarson/GPUImage).



-------



English | [**简体中文**](README_CN.md)



## Features

🟣 At the moment, the most important features of metal moudle can be summarized as follows:



- Support more platform system, macOS and iOS, both UIKit/AppKit and SwiftUI.

- High performance quickly add filters at these sources:    

  - UIImage, NSImage, CIImage, CGImage, CMSampleBuffer, CVPixelBuffer.

- The built-in metal kernel filters is roughly divided into the following modules:    

  - [Blend](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Blend), [Blur](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Blur), [Pixel](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Pixel), [Coordinate](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Coordinate), [Lookup](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Lookup), [Matrix](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Matrix), [Shape](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Shape), [Generator](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Generator).

- Setup [MetalPerformanceShaders](https://github.com/yangKJ/Harbeth/tree/master/Sources/MPS) filters And also compatible for [CoreImage](https://github.com/yangKJ/Harbeth/tree/master/Sources/CoreImage) filters.

- Previews and rendering backed with the power of Metal.

- Drop-in support for your own custom filters using [LUTs](https://github.com/yangKJ/Harbeth/tree/master/Sources/Compute/Lookup/C7LookupTable.swift) or using [Cube](https://github.com/yangKJ/Harbeth/tree/master/Sources/CoreImage/CIColorCube.swift).

- Realtime camera capture and video smooth playback with filters.

- Video source processing video file by [Kakapos](https://github.com/yangKJ/Kakapos) library.



#### **A total of 100+ kinds of built-in filters are currently available.✌️**



## Requirements



| iOS Target | macOS Target | Xcode Version | Swift Version |

|:---:|:---:|:---:|:---:|

| iOS 10.0+ | macOS 10.13+ | Xcode 10.0+ | Swift 5.0+ |



## Usage












### Image



- 🎷 Code zero intrusion add filter function for image.



```

let filter1 = C7ColorMatrix4x4(matrix: Matrix4x4.Color.sepia)

let filter2 = C7Granularity(grain: 0.8)

let filter3 = C7SoulOut(soul: 0.7)



let filters = [filter1, filter2, filter3]



// Use:

let dest = BoxxIO.init(element: originImage, filters: filters)

// Synchronize do something..

ImageView.image = try? dest.output()



// OR Use:

ImageView.image = try? originImage.makeGroup(filters: filters)



// OR Use:

ImageView.image = originImage.filtering(filter1, filter2, filter3)



// OR Use Operator:

ImageView.image = originImage ->> filter1 ->> filter2 ->> filter3

```



- Asynchronous do something..



This performance is the best. 🚗🚗



```

let dest = BoxxIO.init(element: ``Source``, filter: ``filter``)



dest.transmitOutput(success: { [weak self] image in

    // do something..

})

```



### Camera



- 📸 Camera capture generates pictures.



```

// Add an edge detection filter:

let filter = C7EdgeGlow(lineColor: .red)



// Generate camera collector:

let camera = C7CollectorCamera.init(delegate: self)

camera.captureSession.sessionPreset = AVCaptureSession.Preset.hd1280x720

camera.filters = [filter]



extension CameraViewController: C7CollectorImageDelegate {

    func preview(_ collector: C7Collector, fliter image: C7Image) {

        // do something..

    }

}

```



### Video



- 📺 Local video or Network video are simply apply with filters.

  - 🙄 For details, See [PlayerViewController](https://github.com/yangKJ/Harbeth/blob/master/Demo/Harbeth-iOS-Demo/Modules/PlayerViewController.swift).

  - You can also extend this by using [BoxxIO](https://github.com/yangKJ/Harbeth/blob/master/Sources/Basic/Outputs/BoxxIO.swift) to filter the collected `CVPixelBuffer`.



```

lazy var video: C7CollectorVideo = {

    let videoURL = URL.init(string: "Link")!

    let asset = AVURLAsset.init(url: videoURL)

    let playerItem = AVPlayerItem.init(asset: asset)

    let player = AVPlayer.init(playerItem: playerItem)

    let video = C7CollectorVideo.init(player: player, delegate: self)

    let filter = C7ColorMatrix4x4(matrix: Matrix4x4.Color.sepia)

    video.filters = [filter]

    return video

}()



self.video.play()



extension PlayerViewController: C7CollectorImageDelegate {

    func preview(_ collector: C7Collector, fliter image: C7Image) {

        // do something..

    }

}

```



### SwiftUI Support

- For the direct use [FilterableView](https://github.com/yangKJ/Harbeth/blob/master/Sources/SwiftUI/FilterableView.swift), it is just a simple implementation.

- The SwiftUI API is still in-progress and may not be production ready. We're looking for help! 🤲



```

let filters: [C7FilterProtocol] = [

    CIHighlight(highlight: intensity),

    C7WaterRipple(ripple: intensity),

]

FilterableView(image: inputImage, filters: filters, content: { image in

    image.resizable()

        .aspectRatio(contentMode: .fit)

}, async: false)

```



### CocoaPods



- If you want to import [**Metal**](https://github.com/yangKJ/Harbeth) module, you need in your Podfile: 



```

pod 'Harbeth'

```



- If you want to import [**OpenCV**](https://github.com/yangKJ/OpencvQueen) image module, you need in your Podfile: 



```

pod 'OpencvQueen'

```



### Swift Package Manager



[Swift Package Manager](https://swift.org/package-manager/) is a tool for managing the distribution of Swift code. It’s integrated with the Swift build system to automate the process of downloading, compiling, and linking dependencies.



> Xcode 11+ is required to build [Harbeth](https://github.com/yangKJ/Harbeth) using Swift Package Manager.



To integrate Harbeth into your Xcode project using Swift Package Manager, add it to the dependencies value of your `Package.swift`:



```swift

dependencies: [

    .package(url: "https://github.com/yangKJ/Harbeth.git", branch: "master"),

]

```



### Remarks



> The general process is almost like this, the Demo is also written in great detail, you can check it out for yourself.🎷

>

> [**HarbethDemo**](https://github.com/yangKJ/Harbeth)

>

> Tip: If you find it helpful, please help me with a star. If you have any questions or needs, you can also issue.

>

> Thanks.🎇



### About the author

- 🎷 **E-mail address: [[email protected]]([email protected]) 🎷**

- 🎸 **GitHub address: [yangKJ](https://github.com/yangKJ) 🎸**



Buy me a coffee or support me on [GitHub](https://github.com/sponsors/yangKJ?frequency=one-time&sponsor=yangKJ).





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Alipay or WeChat. Thanks.












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### License

Harbeth is available under the [MIT](LICENSE) license. See the [LICENSE](LICENSE) file for more info.



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