[英]AVPlayer in UITableViewCell is black and can't view
我已經瀏覽了每篇文章和文章,但還沒有解決我的問題,我不知道為什么。 我有一個表格視圖,如果內容是圖像,它將在 TableViewCell 中顯示一個圖像,否則它將在其中顯示一個視頻。 對於視頻,我打印了鏈接,所以它在那里並且鏈接有效,但是由於某種原因在 TableViewCell 中視頻沒有播放,它只是黑色的。
這是 TableViewCell 的代碼:
import UIKit
import AVFoundation
class ViewImageCell: UITableViewCell {
var avQueuePlayer : AVQueuePlayer?
var avPlayerLayer : AVPlayerLayer?
let postContentView: UIView = {
let view = UIView()
return view
}()
let contentImageView: UIImageView = {
let imageView = UIImageView()
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.layer.masksToBounds = true
imageView.autoresizesSubviews = true
imageView.contentMode = .scaleAspectFit
imageView.image = UIImage(named: "ProfileIcon")
return imageView
}()
override func awakeFromNib() {
super.awakeFromNib()
// Initialization code
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
// Configure the view for the selected state
}
override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
super.init(style: .default, reuseIdentifier: reuseIdentifier)
addSubview(postContentView)
addSubview(contentImageView)
postContentView.anchor(top: self.topAnchor, left: self.leftAnchor, bottom: self.bottomAnchor, right: self.rightAnchor, paddingTop: 0, paddingLeft: 0, paddingBottom: 0, paddingRight: 0, width: 0, height: 0)
contentImageView.anchor(top: self.topAnchor, left: self.leftAnchor, bottom: self.bottomAnchor, right: self.rightAnchor, paddingTop: 0, paddingLeft: 0, paddingBottom: 0, paddingRight: 0, width: 0, height: 0)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func addPlayer(for url: URL) {
self.avQueuePlayer = AVQueuePlayer(url: url)
self.avPlayerLayer = AVPlayerLayer(player: self.avQueuePlayer!)
self.avPlayerLayer?.frame = self.postContentView.bounds
self.avPlayerLayer?.fillMode = .both
self.postContentView.layer.addSublayer(self.avPlayerLayer!)
self.avQueuePlayer?.play()
}
func bindData(content: NSDictionary) {
if content[kPICTURE] != nil {
let data = content[kPICTURE] as! String
let picData = NSData(base64Encoded: data, options: [])
if let image = UIImage(data: picData! as Data) {
contentImageView.image = image
} else {
print("There was an error loading the pic")
}
} else {
}
if content[kVIDEO] != nil {
contentImageView.isHidden = true
let videoData = content[kVIDEO] as! String
let url = NSURL(fileURLWithPath: videoData)
addPlayer(for: url as URL)
print("Here is a video")
} else {
//
}
}
}
這是 TableView 的一段代碼:
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if indexPath.section == 0 {
let cell = tableView.dequeueReusableCell(withIdentifier: imageCellID, for: indexPath) as! ViewImageCell
if singleContent != nil {
cell.bindData(content: singleContent)
} else {
print("Can't find singleContent")
}
return cell
}
return UITableViewCell()
}
如果您有任何問題並需要更多說明,請告訴我。 非常感謝所有幫助。
編輯:這是我正在使用的視頻路徑類型的示例。 我是從我的 Firebase 數據庫中獲取的,而不是我項目中的本地文件。
file:///private/var/mobile/Containers/Data/PluginKitPlugin/49C0EAA4-9825-4D06-8CFB-6136FF5BCC3C/tmp/trim.AA010490-81F0-43C8-AE8A-1029D5AF55E1。
我也得到下面的錯誤代碼。 我查看並認為這意味着該文件不存在,但我仍然可以在其他視圖中查看該文件,該文件在其他視圖中播放視頻。
NSURLConnection 以錯誤結束 - 代碼 -1100
如果您想在 webview 中播放視頻 URL,請使用以下代碼:(根據您的要求管理代碼)
func bindData(content: NSDictionary)
{
if content[kPICTURE] != nil {
let data = content[kPICTURE] as! String
let picData = NSData(base64Encoded: data, options: [])
if let image = UIImage(data: picData! as Data) {
contentImageView.image = image
} else {
print("There was an error loading the pic")
}
} else {
}
if content[kVIDEO] != nil {
contentImageView.isHidden = true
let videoData = content[kVIDEO] as! String
//let url = NSURL(fileURLWithPath: videoData)
let storageRef = Storage.storage().reference(forURL: <YourFilePathURL>)
storageRef.getData(maxSize: INT64_MAX) { (data, error) in
if let error = error {
print("Error downloading image data: \(error)")
return
}
storageRef.getMetadata(completion: { (metadata, metadataErr) in
if let error = metadataErr {
print("Error downloading metadata: \(error)")
return
}
if (metadata?.contentType == "image/gif") {
print("It is Gif")
} else {
let downloadUrl = metadata?.downloadURL()
if downloadUrl != nil{
print(downloadUrl)
//You will get your Video Url Here
self.PlayVideoInWEbView(downloadUrl)
print("Here is a video")
}
}
})
}
} else {
//
}
}
func PlayVideoInWEbView(_ videoURL : String)
{
let myWebView:UIWebView = UIWebView(frame: CGRect(x: 20, y: 20, width: self.viewCell.frame.width, height: 200))
myWebView.delegate = self
let myURL = URL(string: videoURL)
let myURLRequest:URLRequest = URLRequest(url: myURL!)
myWebView.loadRequest(myURLRequest)
self.viewCell.addSubview(myWebView)
}
@Jaqueline 像下面這樣嘗試如果您已經或將錄制的視頻存儲到本地文檔目錄中。
func bindData(content: NSDictionary) {
if content[kPICTURE] != nil {
let data = content[kPICTURE] as! String
let picData = NSData(base64Encoded: data, options: [])
if let image = UIImage(data: picData! as Data) {
contentImageView.image = image
} else {
print("There was an error loading the pic")
}
} else {
}
if content[kVIDEO] != nil {
contentImageView.isHidden = true
//let videoData = content[kVIDEO] as! String
//let url = NSURL(fileURLWithPath: videoData)
let path = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String
let url = NSURL(fileURLWithPath: path)
let filePath = url.appendingPathComponent("/video.mp4")!.path
let videoData = URL(fileURLWithPath: filePath)
//addPlayer(for: url as URL) //remove this line and add below line
self.PlayVideoInWEbView(videoData)
print("Here is a video")
} else {
//
}
}
func PlayVideoInWEbView(_ videoURL : String) {
let myWebView:WKWebView = WKWebView(frame: CGRect(x: 20, y: 20, width: self.viewCell.frame.width, height: 200))
//myWebView.delegate = self
myWebView.uiDelegate = self
myWebView.navigationDelegate = self
let myURL = URL(string: videoURL)
let myURLRequest:URLRequest = URLRequest(url: myURL!)
//myWebView.loadRequest(myURLRequest)
myWebView.load(myURLRequest)
self.viewCell.addSubview(myWebView)
}
//MARK: - WKNavigationDelegate
extension YourViewControllerClass: WKNavigationDelegate {
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
//Here hide your loading indicator
}
func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
DDLogDebug("webViewWebContentProcessDidTerminate ==> \(webView)")
}
func webView(_ webView: UIWebView, didFailLoadWithError error: Error) {
//Here hide your loading indicator
}
}
希望它會幫助您所需的輸出!!!。
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