I am trying to stream a sample mp3 from a url. It is a very small sample file. However, when I press the play button nothing happens. Well, no sound plays.
我正在尝试从网址流式传输示例mp3。这是一个非常小的示例文件。但是，当我按下播放按钮时没有任何反应。好吧，没有声音播放。
I am rather new to Swift and very much a noob so here is the full View Controller as I am unsure what you might need.
我对Swift很新，而且非常像菜鸟，所以这里是完整的View Controller，因为我不确定你可能需要什么。
import UIKit
import AVKit
import AVFoundation
import Foundation
class ViewController: UIViewController {
@IBAction func playButton(_ sender: Any) {
print("pressed")
let urlstring = "http://cdn.mos.musicradar.com/audio/samples/80s-heat-demos/AM_Eighties08_85-01.mp3"
let url = NSURL(string: urlstring)
print("the url = \(url!)")
downloadFileFromURL(url: url!)
}
override func viewDidLoad() {
// Do any additional setup after loading the view
}
func downloadFileFromURL(url:NSURL){
weak var weakSelf = self
var downloadTask:URLSessionDownloadTask
downloadTask = URLSession.shared.downloadTask(with: url as URL, completionHandler: { (URL, response, error) -> Void in
print("URL = \(URL)")
weakSelf!.plays(url: URL! as URL)
})
downloadTask.resume()
}
func plays(url:URL) {
print("playing \(url)")
do {
var playerItem = AVPlayerItem(url: url as URL)
player = AVPlayer(url : url)
player.volume = 1.0
player.play()
} catch let error as NSError {
print(error.localizedDescription)
} catch {
print("AVAudioPlayer init failed")
}
}
}
in my console I am getting this:
在我的控制台中，我得到了这个：
pressed
压制
the url = http://cdn.mos.musicradar.com/audio/samples/80s-heat-demos/AM_Eighties08_85-01.mp3
url = http://cdn.mos.musicradar.com/audio/samples/80s-heat-demos/AM_Eighties08_85-01.mp3
URL = Optional(file:///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_tm0O8v.tmp)
URL =可选（文件：///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_tm0O8v.tmp）
playing file:///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_tm0O8v.tmp
播放文件：///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_tm0O8v.tmp
URL = Optional(file:///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_J1f2LF.tmp)
URL =可选（file：///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_J1f2LF.tmp）
playing file:///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_J1f2LF.tmp
播放文件：///private/var/mobile/Containers/Data/Application/C255E8F4-DDBA-43BB-BC33-AF71C08BBDFD/tmp/CFNetworkDownload_J1f2LF.tmp
Can anyone help me solve this? I just want to be able to play this sound on click of the button from the server not locally.
谁能帮我解决这个问题？我只是希望能够在服务器上点击按钮而不是在本地播放此声音。
1 个解决方案
#1
1
Please try to use this code for you player function.
请尝试将此代码用于播放器功能。
func plays(url:URL) {
print("playing \(url)")
do {
try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback)
try AVAudioSession.sharedInstance().setActive(true)
player = try AVAudioPlayer(contentsOf: url)
guard let player = player else { return }
player.play()
} catch let error as NSError {
print(error.localizedDescription)
} catch {
print("AVAudioPlayer init failed")
}
}
#1
1
Please try to use this code for you player function.
请尝试将此代码用于播放器功能。
func plays(url:URL) {
print("playing \(url)")
do {
try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback)
try AVAudioSession.sharedInstance().setActive(true)
player = try AVAudioPlayer(contentsOf: url)
guard let player = player else { return }
player.play()
} catch let error as NSError {
print(error.localizedDescription)
} catch {
print("AVAudioPlayer init failed")
}
}