带有Avplayer ios 10*的screenShot镜像为黑色镜像
带有Avplayer ios 10*的screenShot镜像为黑色镜像
提问于 2019-05-21 17:54:24
extension UIView {
func capture() -> UIImage? {
var image: UIImage?
if #available(iOS 10.0, *) {
let format = UIGraphicsImageRendererFormat()
format.opaque = isOpaque
let renderer = UIGraphicsImageRenderer(size: frame.size, format: format)
image = renderer.image { context in
drawHierarchy(in: frame, afterScreenUpdates: true)
}
} else {
UIGraphicsBeginImageContextWithOptions(frame.size, isOpaque, UIScreen.main.scale)
drawHierarchy(in: frame, afterScreenUpdates: true)
image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
}
return image
}
}回答 1
Stack Overflow用户
发布于 2019-05-29 20:03:56
public extension AVAsset {
func takeScreenshot(at: Double,completion: @escaping (UIImage?) -> Void) {
DispatchQueue.global().async {
let imageGenerator = AVAssetImageGenerator(asset: self)
let time = CMTime(seconds: at, preferredTimescale: 600)
let times = [NSValue(time: time)]
imageGenerator.generateCGImagesAsynchronously(forTimes: times, completionHandler: { _, image, _, _, _ in
if let image = image {
completion(UIImage(cgImage: image))
} else {
completion(nil)
}
})
}
}
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/56235711
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