Use a video as a background is more commonly on many app nowadays .There are many different solutions, some may use gif and some may use video.For video, some choose to play directly through AVPlayerlayer, but we chose GLKView because it's more flexible, both on functionality and performance. It cost a little bit more cpu than AVPlayer but it's fun to have many interesting effect by code.

**We now support loop. You can add the videos to play, we will loop them as default.

We don't support sound. ( May be in the coming future we see a need)

Also we allow you to add simple filter to the video at real time.Because the video is finally render by an CIImage object, you just have to handle the CIImage as usually like adding an filter to it, chain them up...

    let videoView = FSVideoView(frame: view.bounds)
    var controlFlag  = 0
    videoView.filter = { image -> CIImage in
        controlFlag++
        if controlFlag % 10 > 5 {
            let filter = CIFilter(name: "CIColorInvert", withInputParameters: ["inputImage":image])!
            return filter.outputImage!
        }
        let filter = CIFilter(name: "CIColorClamp", withInputParameters: ["inputImage":image,"inputMinComponents":CIVector(CGRect: CGRect(x: 0.1, y: 0.1, width: 0.3, height: 0)),"inputMaxComponents":CIVector(CGRect: CGRectMake(0.5, 0.7, 0.9, 1))])!
        return filter.outputImage!
    }
    view.addSubview(videoView)
    view.sendSubviewToBack(videoView)
    do {
        try videoView.playVideos([path,path2],fps: 25,loop: true)
        videoView.play()
    }catch _ {
        
    }

Have fun!

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