我一直在寻找有关如何正确完成此操作的时间。我看过here和here。并使用最高答案here来尝试完成此操作,但是对我而言,录制的视频甚至从未开始循环播放。第一帧出现了,但没有播放视频,因此我想知道哪里出了问题。
func fileOutput(_ output: AVCaptureFileOutput, didFinishRecordingTo outputFileURL: URL, from connections: [AVCaptureConnection], error: Error?) {
if (error != nil) {
print("Error recording movie11: \(error!.localizedDescription)")
} else {
isSettingThumbnail = false
let videoRecorded = outputURL! as URL
playRecordedVideo(video: videoRecorded)
if !captureSession.isRunning {
DispatchQueue.global(qos: .background).async {
self.startRunningCaptureSession()
}
}
}
}
以上方法中使用的功能如下。
func playRecordedVideo(video: URL) {
thumbImage = nil
playerQueue = AVQueuePlayer(playerItem: AVPlayerItem(url: video))
playerLayer = AVPlayerLayer(player: playerQueue)
playerLayer.frame = (camBaseLayer?.bounds)!
playerLayer?.layoutIfNeeded()
playerLayer.videoGravity = AVLayerVideoGravity.resizeAspectFill
playerLayer.isHidden = false
camBaseLayer?.layer.insertSublayer(playerLayer, above: previewLayer)
playerItem1 = AVPlayerItem(url: video)
playerLooper = AVPlayerLooper(player: playerQueue, templateItem: playerItem1)
self.playerQueue?.play()
}
我在上面的函数中尝试了以下操作:
var num = 0
if num == 0 {
self.playerQueue?.play()
num+=1
} else {
NotificationCenter.default.addObserver(forName: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: self.playerQueue.currentItem, queue: nil, using: { (_) in
DispatchQueue.main.async {
self.playerQueue.seek(to: CMTime.zero)
self.playerQueue.play()
}
})
}
但是,这只会导致视频在播放时甚至无法播放。
目标是防止视频循环播放时出现“间隙”
更新:
好吧,所以实际上变量num应该在函数之外,这将使NS代码运行,但最终像以前一样冻结视图。
更新2:
到目前为止,我还无法找到解决方案。但是可以肯定的是
` NotificationCenter.default.addObserver(forName: NSNotification.Name.AVPlayerItemDidPlayToEndTime, object: self.playerQueue.currentItem, queue: nil, using: { (_) in
DispatchQueue.main.async {
self.playerQueue.seek(to: CMTime.zero)
self.playerQueue.play()
}
})
` 导致视频甚至无法循环播放。为什么会发生这种情况?
答案 0 :(得分:1)
几年前,我使用这段代码做了同样的事情:
Locale myLocale = new Locale("language_code");
Resources res = getResources();
DisplayMetrics dm = res.getDisplayMetrics();
Configuration conf = res.getConfiguration();
conf.locale = myLocale;
res.updateConfiguration(conf, dm);
希望这会指向您想要的功能