第一步:引用MediaPlayer框架，聲明視圖控制器屬性PlayerController
#import <mediaplayer mediaplayer.h>

@property(nonatomic,strong)MPMoviePlayerController *playerController;

//第二步：獲取視頻路徑，創(chuàng)建播放器
//本地視頻路徑
NSString* localFilePath=[[NSBundle mainBundle]pathForResource:@"不能說(shuō)的秘密" ofType:@"mp4"];
NSURL *localVideoUrl = [NSURL fileURLWithPath:localFilePath];
//網(wǎng)絡(luò)視頻路徑
NSString *webVideoPath = @"http://api.junqingguanchashi.net/yunpan/bd/c.php?vid=/junqing/1115.mp4";
NSURL *webVideoUrl = [NSURL URLWithString:webVideoPath];
self.playerController =[[MPMoviePlayerController alloc]initWithContentURL:webVideoUrl];

//第三步：設(shè)置Frame將播放器View添加到視圖控制器View上
self.playerController.view.frame = CGRectMake(0, 10, kDeviceWidth, 300);
[self.view addSubview: self.playerController.view];

//第四步：設(shè)置播放器屬性
//設(shè)置控制面板風(fēng)格:無(wú)，嵌入，全屏，默認(rèn)
self.playerController.controlStyle = MPMovieControlStyleDefault;
//設(shè)置是否自動(dòng)播放(默認(rèn)為YES）
self.playerController.shouldAutoplay = NO;
//設(shè)置播放器顯示模式，類似于圖片的處理，設(shè)置Fill有可能造成部分區(qū)域被裁剪
self.playerController.scalingMode = MPMovieScalingModeAspectFit;
//設(shè)置重復(fù)模式
self.playerController.repeatMode = MPMovieRepeatModeOne;

//第五步：播放視頻
//播放前的準(zhǔn)備，會(huì)中斷當(dāng)前正在活躍的音頻會(huì)話
[ self.playerController prepareToPlay];
//播放視頻，設(shè)置了自動(dòng)播放之后可以不調(diào)用此方法
//[ self.playerController play];

//第六步：在退出界面的時(shí)候，關(guān)閉播放器，移除通知
- (void)dealloc{
 //當(dāng)前視圖控制器pop之后并不會(huì)關(guān)閉播放，需要手動(dòng)關(guān)閉
 [self.playerController stop];
 self.playerController = nil;
 //移除播放器相關(guān)的通知
 [[NSNotificationCenter defaultCenter] removeObserver:self];
}

//關(guān)于通知的使用(還有很多通知可以監(jiān)聽(tīng)，可查看SDK)
NSNotificationCenter *notificaionCenter = [NSNotificationCenter defaultCenter];
//監(jiān)聽(tīng)播放器狀態(tài)的變化
[notificaionCenter addObserver:self
 selector:@selector(playerStateChanged:)
 name:MPMoviePlayerPlaybackStateDidChangeNotification
 object:nil];
//監(jiān)聽(tīng)播放完成
[notificaionCenter addObserver:self
 selector:@selector(playerFinished) name:MPMoviePlayerPlaybackDidFinishNotification
 object:nil];
//監(jiān)聽(tīng)切換到全屏
[notificaionCenter addObserver:self
 selector:@selector(palyerChangeFullScreen) name:MPMoviePlayerDidEnterFullscreenNotification
 object:nil];
//監(jiān)聽(tīng)截屏操作完成
[notificaionCenter addObserver:self
 selector:@selector(playerCaptureFinished:) name:MPMoviePlayerThumbnailImageRequestDidFinishNotification
 object:nil];

#pragma mark - 監(jiān)聽(tīng)通知的響應(yīng)方法
//播放狀態(tài)變化，注意播放完成時(shí)的狀態(tài)是暫停
- (void)playerStateChanged:(NSNotification *)notificaion{
 switch (self.playerController.playbackState) {
 case MPMoviePlaybackStateStopped:{
 NSLog(@"播放停止");
 break;
 }
 case MPMoviePlaybackStatePlaying:{
 NSLog(@"播放器正在播放");
 break;
 }
 case MPMoviePlaybackStatePaused:{
 NSLog(@"播放器暫停");
 break;
 }
 case MPMoviePlaybackStateInterrupted:{
 NSLog(@"播放器中斷");
 break;
 }
 case MPMoviePlaybackStateSeekingForward:{
 NSLog(@"播放器快進(jìn)");
 break;
 }
 case MPMoviePlaybackStateSeekingBackward:{
 NSLog(@"播放器快退");
 break;
 }
 default:
 break;
 }
}

//視頻播放結(jié)束
- (void)playerFinished{
 NSLog(@"playerFinished：播放結(jié)束");
}

//播放器切換到了全屏
- (void)palyerChangeFullScreen{
 NSLog(@"palyerChangeFullScreen：播放器進(jìn)入全屏");
}

//播放器截屏結(jié)束
- (void)playerCaptureFinished:(NSNotification *)notification{
 //獲取并顯示截圖
 UIImage *image=notification.userInfo[MPMoviePlayerThumbnailImageKey];
 self.captureImgView.image = image;
}

//添加一個(gè)按鈕，點(diǎn)擊開(kāi)始截屏
_captureBtn = [[UIButton alloc] initWithFrame:CGRectMake(30, CGRectGetMaxY(self.playerController.view.frame) + 30, kDeviceWidth - 30 * 2, 50)];
_captureBtn.backgroundColor = [UIColor purpleColor];
[_captureBtn setTitle:@"截圖當(dāng)前屏幕" forState: UIControlStateNormal];
[_captureBtn addTarget:self action:@selector(captureCurrentScreenImg) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:_captureBtn];
//添加一個(gè)ImgView 顯示截屏后的圖片
_captureImgView = [[UIImageView alloc] initWithFrame:CGRectMake((kDeviceWidth - 150)/2, CGRectGetMaxY(_captureBtn.frame) + 20, 150, 150)];
 _captureImgView.contentMode = UIViewContentModeScaleAspectFit;
_captureImgView.backgroundColor = [UIColor grayColor];
[self.view addSubview:_captureImgView];

//截取當(dāng)前屏幕
- (void)captureCurrentScreenImg{
 [self.playerController requestThumbnailImagesAtTimes:@[@(self.playerController.currentPlaybackTime)] timeOption:MPMovieTimeOptionNearestKeyFrame];
}

//監(jiān)聽(tīng)通知：播放器截屏結(jié)束，得到圖片并顯示截圖
- (void)playerCaptureFinished:(NSNotification *)notification{
 UIImage *image=notification.userInfo[MPMoviePlayerThumbnailImageKey];
 self.captureImgView.image = image;
}

//第一步:獲取視頻路徑
//本地視頻
NSString* localFilePath=[[NSBundle mainBundle]pathForResource:@"不能說(shuō)的秘密" ofType:@"mp4"];
NSURL *localVideoUrl = [NSURL fileURLWithPath:localFilePath];
//在線視頻
//NSString *webVideoPath = @"http://api.junqingguanchashi.net/yunpan/bd/c.php?vid=/junqing/1115.mp4";
//NSURL *webVideoUrl = [NSURL URLWithString:webVideoPath];

//第二步:創(chuàng)建視頻播放器
MPMoviePlayerViewController *playerViewController = [[MPMoviePlayerViewController alloc] initWithContentURL:localVideoUrl];

//第三步:設(shè)置播放器屬性
//通過(guò)moviePlayer屬性設(shè)置播放器屬性(與MPMoviePlayerController類似)
playerViewController.moviePlayer.scalingMode = MPMovieScalingModeFill;

//第四步:跳轉(zhuǎn)視頻播放界面
[self presentViewController:playerViewController animated:YES completion:nil];

//第一步:引用AVFoundation框架，添加播放器屬性
#import <AVFoundation/AVFoundation.h>
@property (nonatomic,strong)AVPlayer *player;//播放器對(duì)象
@property (nonatomic,strong)AVPlayerItem *currentPlayerItem;

//第二步:獲取播放地址URL
//本地視頻路徑
NSString* localFilePath=[[NSBundle mainBundle]pathForResource:@"不能說(shuō)的秘密" ofType:@"mp4"];
NSURL *localVideoUrl = [NSURL fileURLWithPath:localFilePath];
//網(wǎng)絡(luò)視頻路徑
NSString *webVideoPath = @"http://api.junqingguanchashi.net/yunpan/bd/c.php?vid=/junqing/1129.mp4";
NSURL *webVideoUrl = [NSURL URLWithString:webVideoPath];

//第三步:創(chuàng)建播放器(四種方法)
//如果使用URL創(chuàng)建的方式會(huì)默認(rèn)為AVPlayer創(chuàng)建一個(gè)AVPlayerItem
//self.player = [AVPlayer playerWithURL:localVideoUrl];
//self.player = [[AVPlayer alloc] initWithURL:localVideoUrl];
//self.player = [AVPlayer playerWithPlayerItem:playerItem];
AVPlayerItem *playerItem = [[AVPlayerItem alloc] initWithURL:webVideoUrl];
self.currentPlayerItem = playerItem;
self.player = [[AVPlayer alloc] initWithPlayerItem:playerItem];

//第四步:創(chuàng)建顯示視頻的AVPlayerLayer,設(shè)置視頻顯示屬性，并添加視頻圖層
//contentView是一個(gè)普通View,用于放置視頻視圖
/*
 AVLayerVideoGravityResizeAspectFill等比例鋪滿，寬或高有可能出屏幕
 AVLayerVideoGravityResizeAspect 等比例 默認(rèn)
 AVLayerVideoGravityResize 完全適應(yīng)寬高
*/
AVPlayerLayer *avLayer = [AVPlayerLayer playerLayerWithPlayer:self.player];
avLayer.videoGravity = AVLayerVideoGravityResizeAspect;
avLayer.frame = _containerView.bounds;
[_containerView.layer addSublayer:avLayer];

//第六步：執(zhí)行play方法，開(kāi)始播放
//本地視頻可以直接播放
//網(wǎng)絡(luò)視頻需要監(jiān)測(cè)AVPlayerItem的status屬性為AVPlayerStatusReadyToPlay時(shí)方法才會(huì)生效
[self.player play];

//1.注冊(cè)觀察者，監(jiān)測(cè)播放器屬性
//觀察Status屬性，可以在加載成功之后得到視頻的長(zhǎng)度
[self.player.currentItem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:nil];
//觀察loadedTimeRanges，可以獲取緩存進(jìn)度，實(shí)現(xiàn)緩沖進(jìn)度條
[self.player.currentItem addObserver:self forKeyPath:@"loadedTimeRanges" options:NSKeyValueObservingOptionNew context:nil];

//2.添加屬性觀察
- (void)observeValueForKeyPath:(NSString *)keyPath
  ofObject:(id)object
  change:(NSDictionary *)change
  context:(void *)context {
 AVPlayerItem *playerItem = (AVPlayerItem *)object;
 if ([keyPath isEqualToString:@"status"]) {
 //獲取playerItem的status屬性最新的狀態(tài)
 AVPlayerStatus status = [[change objectForKey:@"new"] intValue];
 switch (status) {
 case AVPlayerStatusReadyToPlay:{
 //獲取視頻長(zhǎng)度
 CMTime duration = playerItem.duration; 
 //更新顯示:視頻總時(shí)長(zhǎng)(自定義方法顯示時(shí)間的格式)
 self.totalNeedPlayTimeLabel.text = [self formatTimeWithTimeInterVal:CMTimeGetSeconds(duration)];
 //開(kāi)啟滑塊的滑動(dòng)功能
 self.sliderView.enabled = YES;
 //關(guān)閉加載Loading提示
 [self showaAtivityInDicatorView:NO];
 //開(kāi)始播放視頻
 [self.player play];
 break;
 }
 case AVPlayerStatusFailed:{//視頻加載失敗，點(diǎn)擊重新加載
 [self showaAtivityInDicatorView:NO];//關(guān)閉Loading視圖
 self.playerInfoButton.hidden = NO; //顯示錯(cuò)誤提示按鈕，點(diǎn)擊后重新加載視頻
 [self.playerInfoButton setTitle:@"資源加載失敗，點(diǎn)擊繼續(xù)嘗試加載" forState: UIControlStateNormal];
 break;
 }
 case AVPlayerStatusUnknown:{
 NSLog(@"加載遇到未知問(wèn)題:AVPlayerStatusUnknown");
 break;
 }
 default:
 break;
 }
 } else if ([keyPath isEqualToString:@"loadedTimeRanges"]) {
 //獲取視頻緩沖進(jìn)度數(shù)組，這些緩沖的數(shù)組可能不是連續(xù)的
 NSArray *loadedTimeRanges = playerItem.loadedTimeRanges;
 //獲取最新的緩沖區(qū)間
 CMTimeRange timeRange = [loadedTimeRanges.firstObject CMTimeRangeValue];
 //緩沖區(qū)間的開(kāi)始的時(shí)間
 NSTimeInterval loadStartSeconds = CMTimeGetSeconds(timeRange.start);
 //緩沖區(qū)間的時(shí)長(zhǎng)
 NSTimeInterval loadDurationSeconds = CMTimeGetSeconds(timeRange.duration);
 //當(dāng)前視頻緩沖時(shí)間總長(zhǎng)度
 NSTimeInterval currentLoadTotalTime = loadStartSeconds + loadDurationSeconds;
 //NSLog(@"開(kāi)始緩沖:%f,緩沖時(shí)長(zhǎng):%f,總時(shí)間:%f", loadStartSeconds, loadDurationSeconds, currentLoadTotalTime);
 //更新顯示：當(dāng)前緩沖總時(shí)長(zhǎng)
 _currentLoadTimeLabel.text = [self formatTimeWithTimeInterVal:currentLoadTotalTime];
 //更新顯示：視頻的總時(shí)長(zhǎng)
 _totalNeedLoadTimeLabel.text = [self formatTimeWithTimeInterVal:CMTimeGetSeconds(self.player.currentItem.duration)];
 //更新顯示：緩沖進(jìn)度條的值
 _progressView.progress = currentLoadTotalTime/CMTimeGetSeconds(self.player.currentItem.duration);
 }
}

//轉(zhuǎn)換時(shí)間格式的方法
- (NSString *)formatTimeWithTimeInterVal:(NSTimeInterval)timeInterVal{
 int minute = 0, hour = 0, secend = timeInterVal;
 minute = (secend % 3600)/60;
 hour = secend / 3600;
 secend = secend % 60;
 return [NSString stringWithFormat:@"%02d:%02d:%02d", hour, minute, secend];
}

 typedef struct{
 CMTimeValue value; // 幀數(shù)
 CMTimeScale timescale; // 幀率（影片每秒有幾幀）
 CMTimeFlags flags;
 CMTimeEpoch epoch;
 } CMTi

//方法1：
CMTimeMakeWithSeconds(Flout64 seconds, int32_t scale)
//方法2：
CMTimeMake(int64_t value, int32_t scale)
//注：兩者的區(qū)別在于方法一的第一個(gè)參數(shù)可以是float

//視頻總時(shí)長(zhǎng)，在AVPlayerItem狀態(tài)為AVPlayerStatusReadyToPlay時(shí)獲取
CMTime duration = self.player.currentItem.duration;
CGFloat totalTime = CMTimeGetSeconds(duration);
//當(dāng)前AVPlayer的播放時(shí)長(zhǎng)
CMTime cmTime = self.player.currentTime;
CGFloat currentTime = CMTimeGetSeconds(cmTime);

__weak __typeof(self) weakSelf = self;
[self.player addPeriodicTimeObserverForInterval:CMTimeMake(1, 1) queue:dispatch_get_main_queue() usingBlock:^(CMTime time) {
 //當(dāng)前播放的時(shí)間
 NSTimeInterval currentTime = CMTimeGetSeconds(time);
 //視頻的總時(shí)間
 NSTimeInterval totalTime = CMTimeGetSeconds(weakSelf.player.currentItem.duration);
 //設(shè)置滑塊的當(dāng)前進(jìn)度
 weakSelf.sliderView.value = currentTime/totalTime;
 //設(shè)置顯示的時(shí)間：以00:00:00的格式
 weakSelf.currentTimeLabel.text = [weakSelf formatTimeWithTimeInterVal:currentTime];
 }];

//UISlider的響應(yīng)方法:拖動(dòng)滑塊，改變播放進(jìn)度
- (IBAction)sliderViewChange:(id)sender {
 if(self.player.status == AVPlayerStatusReadyToPlay){
 NSTimeInterval playTime = self.sliderView.value * CMTimeGetSeconds(self.player.currentItem.duration);
 CMTime seekTime = CMTimeMake(playTime, 1);
 [self.player seekToTime:seekTime completionHandler:^(BOOL finished) {
 }];
 }
}

//步驟1：獲取視頻路徑
NSString *webVideoPath = @"http://api.junqingguanchashi.net/yunpan/bd/c.php?vid=/junqing/1213.mp4";
NSURL *webVideoUrl = [NSURL URLWithString:webVideoPath];
//步驟2：創(chuàng)建AVPlayer
AVPlayer *avPlayer = [[AVPlayer alloc] initWithURL:webVideoUrl];
//步驟3：使用AVPlayer創(chuàng)建AVPlayerViewController，并跳轉(zhuǎn)播放界面
AVPlayerViewController *avPlayerVC =[[AVPlayerViewController alloc] init];
avPlayerVC.player = avPlayer;
[self presentViewController:avPlayerVC animated:YES completion:nil];

//步驟1：獲取視頻路徑
NSString *webVideoPath = @"http://api.junqingguanchashi.net/yunpan/bd/c.php?vid=/junqing/1213.mp4";
NSURL *webVideoUrl = [NSURL URLWithString:webVideoPath];
//步驟2：創(chuàng)建AVPlayer
AVPlayer *avPlayer = [[AVPlayer alloc] initWithURL:webVideoUrl];
//步驟3：使用AVPlayer創(chuàng)建AVPlayerViewController，并跳轉(zhuǎn)播放界面
AVPlayerViewController *avPlayerVC =[[AVPlayerViewController alloc] init];
avPlayerVC.player = avPlayer;
//步驟4：設(shè)置播放器視圖大小
avPlayerVC.view.frame = CGRectMake(25, 0, 320, 300);
//特別注意:AVPlayerViewController不能作為局部變量被釋放，否則無(wú)法播放成功
//解決1.AVPlayerViewController作為屬性
//解決2:使用addChildViewController，AVPlayerViewController作為子視圖控制器
[self addChildViewController:avPlayerVC];
[self.view addSubview:avPlayerVC.view];