[英]AVPlayer seek player at NSDate
我在hh:mm:ss的格式中具有文本為“ 00:01:30”的字符串。 我希望這次能作為我的視頻播放器的搜索時間。 意味着我想從字符串值hh:mm:ss設置'seekToTime'。 我將其轉換為NSDate formate,但無法使用它進行seeToTime。 請提出建議。 謝謝。
self.audioPlayer.timeFormat(self.audioPlayer.getCurrentAudioTime()))
func getCurrentAudioTime(){
let dur = CMTimeGetSeconds(audioPlayer.currentTime())
let cmValue = NSTimeInterval(dur)
let newTime = CMTimeMakeWithSeconds(value, 1)
self.audioPlayer.seekToTime(newTime)
}
func timeFormat(value:Double) -> NSString
{
let someFloat = Float(value)
let floatvalue = lroundf(someFloat)
let floorvalue = Double(floatvalue)
let minutes = floor(floorvalue / 60)
let seconds = floorvalue - (minutes * 60)
let roundsec = Float(seconds)
let roundmin = Float(minutes)
let roundedSeconds = lroundf(roundsec)
let roundedMinutes = lroundf(roundmin)
var time : NSString!
time = NSString.init(format:"%d:%02d", roundedMinutes,roundedSeconds)
return time;
}
如果將字符串轉換為CMTime格式,然后分配查找時間,則代碼如下所示,
let fileURL: NSURL = NSURL(string: timeString)!
let asset = AVURLAsset(URL: fileURL, options: nil)
let audioDuration = asset.duration
let newTime:CMTime = CMTimeGetSeconds(audioDuration)
playerVal.seekToTime(newTime)
希望它有所幫助
您可以使用以下代碼將字符串轉換為CMTime,
func seekTime(timeString:String) -> CMTime? {
let dateFormatter = NSDateFormatter.init()
dateFormatter.dateFormat = "HH:mm:ss"
if let startDate = dateFormatter.dateFromString("00:00:00") {
if let neededDate = dateFormatter.dateFromString(timeString) {
let interval = neededDate.timeIntervalSinceDate(startDate)
return CMTime.init(value: CMTimeValue(interval), timescale: 1)
}
}
return nil;
}
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