avplayer has no sounds when play video

Question

here is all my codes for play a mp4,the mp4 is playing but no sounds out

import UIKit

import AVFoundation
class ViewController: UIViewController {

@IBOutl         


        

Answer 1

Its working 100% please try this import AVKit , import AVFoundation and put below code in viewDidLoad() Method.

    do {
        try AVAudioSession.sharedInstance().setCategory(AVAudioSessionCategoryPlayback, mode: AVAudioSessionModeDefault, options: [])
    }
    catch {
        print("Setting category to AVAudioSessionCategoryPlayback failed.")
    }