Overlay alpha channel video animation player view using Metal.

Example

To run the example project, clone the repo, and run pod install from the Example directory first.

Usage

At the top of your file, make sure to import Kitsunebi

import Kitsunebi

Then, instantiate PlayerView in your view controller:

private lazy var playerView: PlayerView = PlayerView(frame: view.bounds)!

override func viewDidLoad() {
    super.viewDidLoad()
    view.addSubview(playerView)
}

You can play transparency video any framerate. baseVideo is colornize video, alphaVideo is alpha channel monotone video. please see example video files.:

let baseVideoURL = Bundle.main.url(forResource: "base", withExtension: "mp4")!
let alphaVideoURL = Bundle.main.url(forResource: "alpha", withExtension: "mp4")!
playerView.play(base: baseVideoURL, alpha: alphaVideoURL, fps: 30)

Installation

Kitsunebi is available SwiftPM and Carthage. To install it, simply add the following line to your SwiftPM:

dependencies: [
    .package(url: "https://github.com/noppefoxwolf/Kitsunebi", .upToNextMajor(from: "v1.0.0"))
]

github "noppefoxwolf/Kitsunebi" "v1.0.0"

Author

Tomoya Hirano, noppelabs@gmail.com

License

Kitsunebi is available under the MIT license. See the LICENSE file for more info.

Sample video file

http://basic.ivory.ne.jp

Backers

Split video using ffmpeg

ffmpeg -i base.mp4  -i alpha.mp4 -filter_complex "nullsrc=size=1500x1334 [base];[0:v] setpts=PTS-STARTPTS, scale=750x1334 [left];[1:v] setpts=PTS-STARTPTS, scale=750x1334 [right];[base][left] overlay=shortest=1 [tmp1];[tmp1][right] overlay=shortest=1:x=750" output.mp4