音频播放器AVaudioPlayer(专门负责音频)
import UIKit
import AVFoundation
class AnalyseMedia: NSObject {
//注:当前方法中不涉及任何类的属性的时候，可以将这个方法声明称类型方法，方便直接使用类名来调用
//分析歌曲信息
static func analyseMusic(name:String)->MediaModel{
//拿到路径
let url = NSURL.init(fileURLWithPath: NSBundle.mainBundle().pathForResource(name, ofType: nil)!)
//1.创建媒体解析器对象
//参数:需要解析的媒体资源的路径
let asset = AVURLAsset.init(URL: url)
//2.获取格式
let format = asset.availableMetadataFormats.first
//3.根据指定的格式去获取信息
let infoArray = asset.metadataForFormat(format!)
//4.遍历数组获取所有的信息
//a.创建模型用来获取所有的相关信息
let model = MediaModel()
//b.遍历拿到不同的信息
for item in infoArray {
//c.通过判断commonKey属性，去获取不同的信息
//1.演唱者
if item.commonKey == "artist" {
model.artist = item.value as! String
}
//2.专辑名
if item.commonKey == "albumName" {
model.albumName = item.value as! String
}
//3.歌曲名
if item.commonKey == "title" {
model.title = item.value as! String
}
//4.插图
if item.commonKey == "artwork" {
let data = item.value as! NSData
model.artwork = UIImage.init(data: data)
}
}
//将信息返回
return model
}
class MediaModel: NSObject {
///演唱者
var artist = ""
///专辑名
var albumName = ""
///歌曲名
var title = ""
///插图
var artwork:UIImage? = nil
}
ViewController 中的代码
import UIKit
//使用AVAudioPlayer需要包含AVFoundation库文件
import AVFoundation
class ViewController: UIViewController {
//MARK: - 属性
//注意:播放器对象必须声明成属性
var player:AVAudioPlayer? = nil
@IBOutlet weak var slider: UISlider!
@IBOutlet weak var imageView: UIImageView!
//MARK: - 生命周期
override func viewDidLoad() {
super.viewDidLoad()
self.creatPlayer("蓝莲花.mp3")
//添加定时器
NSTimer.scheduledTimerWithTimeInterval(0.1, target: self, selector: "updateSlider", userInfo: nil, repeats: true)
}
}
//MARK: - 创建播放器
extension ViewController{
func creatPlayer(name:String) {
//1.创建音频路径(网络地址/本地)
let path = NSBundle.mainBundle().pathForResource(name, ofType: nil)
//将本地路径转换成url
let url = NSURL.init(fileURLWithPath: path!)
//将网络地址转换成url
//let url = NSURL.init(string: <#T##String#>)
//2.根据url创建播放器对象
do{
let tPlyer = try AVAudioPlayer.init(contentsOfURL: url)
self.player = tPlyer
}catch{
print("音频路径不对")
}
//3.准备播放
self.player?.prepareToPlay()
//4.开始播放。
//音频播放器实质没有任何界面的，只是用来播放声音
//self.player?.play()
//5.音量(范围:0-1)
self.player?.volume = 0.5
//6.设置代理
self.player?.delegate = self
//7.显示图片
let model = AnalyseMedia.analyseMusic(name)
self.imageView.image = model.artwork
}
}
//MARK: - PlayerDelegate
extension ViewController:AVAudioPlayerDelegate{
//已经结束播放的时候会自动调用
func audioPlayerDidFinishPlaying(player: AVAudioPlayer, successfully flag: Bool){
//切换到下一首（实质是重新创建一个对应的播放器）
self.creatPlayer("江南-style.mp3")
//切换后需要手动开始播放
self.player?.play()
}
}
//MARK: - 播放进度
extension ViewController{
//刷新进度条
func updateSlider() {
//拿到当前时间
let time = Float((self.player?.currentTime)!)
//拿到总时间
let duration = Float((self.player?.duration)!)
self.slider.value = time/duration
}
@IBAction func sliderAction(sender: UISlider) {
//拿到当前播放器播放的音乐的总时间
let duration = self.player?.duration
//设置当前播放时间
self.player?.currentTime = duration! * Double(sender.value)
}
}
//MARK: - 音量
extension ViewController{
@IBAction func stepAction(sender: UIStepper) {
self.player?.volume = Float(sender.value)
}
}
//MARK: - 音频的播放和暂停
extension ViewController{
@IBAction func playAction(sender: UIButton) {
//判断当前播放器是否正在播放音乐
if self.player?.playing == true {
//5.暂停
//self.player?.stop()
self.player?.pause()
sender.setTitle("播放", forState: .Normal)
}else{
//4.开始播放
self.player?.play()
//让按钮显示暂停
sender.setTitle("暂停", forState: .Normal)
}
}
}
AVPlayer音频
class ViewController: UIViewController {
//MARK: - 属性
lazy var player:AVPlayer = {
return self.creatPlayer()
}()
//进度条
@IBOutlet weak var slider: UISlider!
//图片
@IBOutlet weak var imageView: UIImageView!
//歌词解析器
let lyricManager = YTAnalysis()
@IBOutlet weak var lyricLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
//1.注册观察者，去观察播放器播放结束的时刻(AVPlayer在播放完成后，消息中心会自动发送播放完成对应的消息)
//AVPlayerItemDidPlayToEndTimeNotification ->消息名
NSNotificationCenter.defaultCenter().addObserver(self, selector: "finishedPlay", name: AVPlayerItemDidPlayToEndTimeNotification, object: nil)
//2.获取播放器的播放进度
//参数1:时间间隔(每隔多长时间获取一次播放进度),1秒
//参数2:执行参数3中的任务的队列
//参数3:每隔1秒需要执行的任务
self.player.addPeriodicTimeObserverForInterval(CMTimeMake(1, 10), queue: dispatch_get_main_queue()) { (cmCurrent) in
//闭包中的参数:当前时间(CMTime)
//a.总的时间
let cmDuration = self.player.currentItem?.duration
//秒对应的总时间
let duration = Float((cmDuration?.value)!) / Float((cmDuration?.timescale)!)
//b.秒对应的当前时间
let current = Float(cmCurrent.value) / Float(cmCurrent.timescale)
//计算百分比
self.slider.value = current / duration
//获取指定时间对应的歌词
let str = self.lyricManager.getLyricWithTime(Double(current))
self.lyricLabel.text = str
}
}
}
//MARK: - 播放进度
extension ViewController{
@IBAction func sliderAction(sender: UISlider) {
//1.CMTime基础:
//总时间:总帧数/每一秒播放的帧数
//当前时间:当前帧数/每一秒播放的帧数
//将播放器定位到指定的时间
//在AVPlayer中所有的时间都是以CMTime来确定
//CMTime中的value属性代表帧数，timeScale代表每一秒播放的帧数。一个CMTime变量确定的真正的时间是value/timescale
//确定一个第10秒
//let cmTime = CMTimeMake(100, 10)
//let cmTime = CMTimeMake(10, 1)
//2.定位到指定进度
//a.拿到当前播放源的总时间(CMTime)
let cmDuration = self.player.currentItem?.duration
//转换成秒单位时间
let duration = Double((cmDuration?.value)!) / Double((cmDuration?.timescale)!)
//b.根据进度条计算出当前时间
let currentTime = duration * Double(sender.value)
//c.定位到指定的位置
self.player.seekToTime(CMTimeMake(Int64(currentTime), 1))
}
}
//MARK: - 切换播放源
extension ViewController{
func finishedPlay() {
print("完成")
self.changeItem("北京北京")
}
func changeItem(name:String){
//1.创建新的播放源
let url = NSURL.init(fileURLWithPath: NSBundle.mainBundle().pathForResource(name, ofType:"mp3")!)
let newItem = AVPlayerItem.init(URL: url)
//2.替换播放源
self.player.replaceCurrentItemWithPlayerItem(newItem)
//3.开始播放
self.player.play()
//4.更新图片
self.imageView.image = AnalyseMedia.analyseMusic(name+".mp3").artwork
}
}
//MARK: - 控制音量和速度
extension ViewController{
@IBAction func rateAction(sender: UIStepper) {
//改变播放速度(0.5-2)
self.player.rate = Float(sender.value)
}
@IBAction func volumeAction(sender: UIStepper) {
//改变音量(0-1)
self.player.volume = Float(sender.value)
}
}
//MARK: - 播放和暂停
extension ViewController{
@IBAction func playAction(sender: UIButton) {
if sender.currentTitle == "播放" || sender.currentTitle == "继续" {
//1.开始播放
self.player.play()
sender.setTitle("暂停", forState: .Normal)
}else{
//2.暂停播放
self.player.pause()
sender.setTitle("继续", forState: .Normal)
}
}
}
//MARK: - 创建播放器
extension ViewController{
func creatPlayer()->AVPlayer{
//1.获取播放路径
let url = NSURL.init(fileURLWithPath: NSBundle.mainBundle().pathForResource("蓝莲花.mp3", ofType: nil)!)
//2.创建播放源
let item = AVPlayerItem.init(URL: url)
//3.创建播放器对象
let tPlayer = AVPlayer.init(playerItem: item)
//4.获取歌曲信息
self.imageView.image = AnalyseMedia.analyseMusic("蓝莲花.mp3").artwork
//5.解析歌词
self.lyricManager.analysisLyricWithPath(NSBundle.mainBundle().pathForResource("蓝莲花.lrc", ofType: nil))
return tPlayer
}
}
AVPlayer视频播放
import UIKit
import AVFoundation
class ViewController: UIViewController {
//MARK: - 属性
lazy var player:AVPlayer = {
return self.creatPlayer()
}()
override func viewDidLoad() {
super.viewDidLoad()
//1.开始播放
self.player.play()
self.creatPlayView()
}
}
//MARK: - 添加播放器的播放界面
extension ViewController{
func creatPlayView() {
//AVPlayerLayer:专门负责显示AVPlayer中的视频图像的类
//1.创建播放页面对象
let playLayer = AVPlayerLayer.init(player: self.player)
//2.设置frame
playLayer.frame = CGRectMake(0, 0, UIScreen.mainScreen().bounds.width, 300)
//3.添加到界面上
self.view.layer.addSublayer(playLayer)
//4.添加暂停和播放按钮
let button = UIButton.init(frame: CGRectMake(0, 0, 30, 30))
button.center = CGPointMake(self.view.center.x, 220)
button.backgroundColor = UIColor.init(white: 0.2, alpha: 0.6)
button.addTarget(self, action: "stop", forControlEvents: .TouchDown)
self.view.addSubview(button)
}
func stop() {
self.player.pause()
}
}
//MARK: - 创建播放器
extension ViewController{
func creatPlayer()->AVPlayer {
//1.创建播放源
//本地视频
//let url = NSURL.init(fileURLWithPath: NSBundle.mainBundle().pathForResource("MovieTest.mp4", ofType: nil)!)
//网络视频
let url = NSURL.init(string: "http://otmv.alicdn.com/new/mv_1_6/23/77/2306cd13e3dde338b53f404ece43a277.mp4?k=7125c1a8f09b70bb&t=1451830866")
let item = AVPlayerItem.init(URL: url!)
//2.根据播放源创建播放器
let tPlayer = AVPlayer.init(playerItem: item)
//3.返回
return tPlayer
}
}
MPMoviePlayerController
import UIKit
import MediaPlayer
class ViewController: UIViewController {
//MARK: - 属性
var playerController:MPMoviePlayerController? = nil
override func viewDidLoad() {
super.viewDidLoad()
//0.创建播放源路径
//let url = NSURL.init(fileURLWithPath: NSBundle.mainBundle().pathForResource("MovieTest.mp4", ofType: nil)!)
let url = NSURL.init(string: "http://123.56.17.178:8080/mgtv.php?vid=b656XJyg5Y85HIOq+eW/kYGtHIMX7lYiFBntHHuD2IsVs9Sa")
//1.创建对象
self.playerController = MPMoviePlayerController.init(contentURL: url)
//2.设置播放器界面的大小
self.playerController?.view.frame = self.view.bounds
//3.添加播放器界面
self.view.addSubview((self.playerController?.view)!)
//4.开始播放
self.playerController?.play()
//5.获取播放结束的时刻
NSNotificationCenter.defaultCenter().addObserver(self, selector: "endPlay", name: MPMoviePlayerPlaybackDidFinishNotification, object: nil)
}
func endPlay() {
print("结束")
}
}
