我希望将存储在我的iPhone上的视频放到我的Google Drive中。对于图像,我已经完成了,但是对于视频,情况有些不同...
对于图像,没有问题,我使用以下方法将我的资源转换为NSData:
data = UIImagePNGRepresentation(result!)!
我把这张图片放到了我的云盘上!
但是对于视频,我尝试了许多不同的方法,但都不行。
我该怎么办?
非常感谢!
我做到了!
这是解决方法:
PHCachingImageManager().requestAVAssetForVideo(asset, options: nil, resultHandler: {(asset: AVAsset?, audioMix: AVAudioMix?, info: [NSObject : AnyObject]?) in
dispatch_async(dispatch_get_main_queue(), {
let asset = asset as? AVURLAsset
var data = NSData(contentsOfURL: asset.URL)
})
})
然后,您将拥有一个很好的NSData变量,您可以使用它将您的视频上传到云中!
更新至 Swift 5
可以使用PHImageManager
或PHCachingImageManager
PHImageManager.default().requestAVAsset(forVideo: asset,
options: nil) { (asset, audioMix, info) in
if
let asset = asset as? AVURLAsset,
let data = NSData(contentsOf: asset.url) {
//do smth with data
}
}
}
如果您遗漏了 option.isNetworkAccessAllowed = true,则会在生成 URL 时出现错误。
private let options: PHVideoRequestOptions = PHVideoRequestOptions()
option.isNetworkAccessAllowed = true
PHImageManager.default().requestAVAsset(-------
同步获取图像/视频 Swift 5 + 缓存
extension PHAsset {
func getImage() -> UIImage? {
let manager = PHCachingImageManager.default
let option = PHImageRequestOptions()
option.isSynchronous = true
var img: UIImage? = nil
manager().requestImage(for: self, targetSize: CGSize(width: self.pixelWidth, height: self.pixelHeight), contentMode: .aspectFit, options: nil, resultHandler: {(result, info) -> Void in
img = result!
})
return img
}
func getVideo() -> NSData? {
let manager = PHCachingImageManager.default
let option = PHImageRequestOptions()
option.isSynchronous = true
var resultData: NSData? = nil
manager().requestAVAsset(forVideo: self, options: nil) { (asset, audioMix, info) in
if let asset = asset as? AVURLAsset, let data = NSData(contentsOf: asset.url) {
resultData = data
}
}
return resultData
}
}
.mp4
)?请查看相关问题中的答案,并告诉我是否有所帮助。 - Michael Dautermann