如何在SWIFT中获得MP3比特率 [英] How to get an MP3 bit rate in SWIFT

问题描述

我正在寻找一种从URL链接获取诸如128kbps或320kbps的mp3比特率的方法.

I am searching for a way of getting an mp3 bitrate like 128kbps or 320kbps for mp3 audio from url link.

我有一个UITableView，它从url列表中加载文件列表，我想显示音频质量. 我尝试使用AVAudioPlayer和AVPlayer，但是没有运气. 请帮忙，我该如何实现?

I have a UITableView that loads a list of files from url list, and I would like to display an audio quality. I have tried using AVAudioPlayer and AVPlayer but no luck. Please help, how can I achieve this?

 do{
       let audioPlayer = try AVAudioPlayer(contentsOf:audioURL)
       print(audioPlayer.settings)
       if #available(iOS 10.0, *) {
                print(audioPlayer.format)
            } else {
                // Fallback on earlier versions
            }
        }catch {
            print("Error getting the audio file")
        }

推荐答案

只需使用公式即可.就是这么简单.

Just using the formula. It was that easy..

var bitrate: Int {      // kbps
        if size > 0 && duration > 0 {
            return size * 8 / 1000 / duration
        }

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