自定义播放器

//播放的视图@property (weak, nonatomic) IBOutlet UIView *playerView;//用来控制的底部视图@property (weak, nonatomic) IBOutlet UIView *bottomView;//开始按钮- (IBAction)startButton:(id)sender;//按钮属性@property (weak, nonatomic) IBOutlet UIButton *startButton;//用来显示时间的label@property (weak, nonatomic) IBOutlet UILabel *timeLabel;//用来控制快进等功能的slider的触发方法- (IBAction)sliderAction:(id)sender;//用来修改进度内容的进度条@property (weak, nonatomic) IBOutlet UISlider *progressSlider;@property (nonatomic,retain) AVPlayer *player;@property (nonatomic,retain) AVPlayerItem *playerItem;@property (nonatomic,retain) AVPlayerLayer *playerLayer;@property (nonatomic,assign) BOOL isStart;@property (nonatomic,assign) BOOL isTap;//用来记录视频时长,快进快退的时候需要使用@property (nonatomic,assign) CGFloat duation;@end@implementation PlayerViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view from its nib.    //初始化播放器    [self createPlayer];    //播放    [_player play];    //给当前屏幕,添加一个监听横竖屏和视频结束的方法    [self addNotificationCenters];    //创建一个轻点的手势    [self  createTap];    //对播放进度进行设置    [self addProgress];    _timeLabel.text = @"00:00/00:00";      _isStart = YES;}//CMTime是专门用来表示视频时间的//CMTimeMake是用来创建CMTime的//用法就是CMTTimeMake(time,timeScale)//time指的是时间,但不是秒,如果想转换成秒需要通过第二个参数来完成//timeScale值得是一秒需要多少帧构成,真正的时间是time/timeScale#pragma mark 添加进度的设置-(void)addProgress{    //设置成(1,1)每秒执行一次    [self.player addPeriodicTimeObserverForInterval:CMTimeMake(1, 1) queue:dispatch_get_main_queue() usingBlock:^(CMTime time) {        //视频的总时间  将CMTime转换成CGFloat        CGFloat durationTime = CMTimeGetSeconds(_playerItem.duration);        //当前时间        CGFloat current = CMTimeGetSeconds(_player.currentTime);        //倒计时        CGFloat rem = durationTime - current;        //把时间转换成NSString,再进行赋值        NSString *tltaleT = [NSString stringWithFormat:@"%02d:%02d",(int)rem / 60,(int)rem %60];        NSString *currentT = [NSString stringWithFormat:@"%02d:%02d",(int)current / 60,(int)current %60];        NSString *timeStr = [NSString stringWithFormat:@"%@/%@",currentT,tltaleT];        //最后给label进行赋值        _timeLabel.text = timeStr;        _progressSlider.value = current / durationTime;        //保存总时长,用于手动快进        _duation = durationTime;    }];}#pragma mark 轻点手势-(void)createTap{    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)];    [self.view addGestureRecognizer:tap];}#pragma mark 轻点之后,实现视图的显示和隐藏-(void)tapAction:(UITapGestureRecognizer *)tap{    if (_isTap == NO) {        [UIView animateWithDuration:0.5 animations:^{            _bottomView.alpha = 0;        }];    }else{        [UIView animateWithDuration:0.5 animations:^{            _bottomView.alpha = 1;        }];    }    _isTap = !_isTap;}#pragma mark 添加监听方法-(void)addNotificationCenters{    //监听当前的视频播放情况,只要播放结束,就出发指定方法    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieEnd:) name:AVPlayerItemDidPlayToEndTimeNotification object:nil];    //监听当前屏幕的旋转    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(screenChange:) name: UIApplicationDidChangeStatusBarOrientationNotification object:nil];}#pragma mark 监听屏幕旋转-(void)screenChange:(NSNotification *)notification{    UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];    //根据横竖屏,分别设置播放器的frame    if (orientation == UIInterfaceOrientationLandscapeLeft) {        [self setPlayerLayerFarme];    }else if (orientation == UIInterfaceOrientationLandscapeRight) {        [self setPlayerLayerFarme];    }else if (orientation == UIInterfaceOrientationPortrait){        [self setPortraitFarme];    }   }#pragma mark 设置横屏时候的尺寸-(void)setPlayerLayerFarme{    _playerLayer.frame = CGRectMake(0, 44, SCREEN_WIDTH, SCREEN_HEIGHT - 44);     _timeLabel.font = [UIFont systemFontOfSize:15];}#pragma mark 设置竖屏时候的尺寸-(void)setPortraitFarme{ _playerLayer.frame = CGRectMake(5, 0, SCREEN_WIDTH - 10, 300);    _timeLabel.font = [UIFont systemFontOfSize:11];}#pragma mark 监听播放结束-(void)movieEnd:(NSNotification *)notification{    NSLog(@"播放结束了");}#pragma mark 初始化播放器-(void)createPlayer{    NSString *urlStr = @"http://flv2.bn.netease.com/videolib3/1505/24/HYUCE6348/SD/HYUCE6348-mobile.mp4";    //对网址进行编码    urlStr =[urlStr stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];    NSURL *url = [NSURL URLWithString:urlStr];    //根据网址,创建视频项目对象    _playerItem = [[AVPlayerItem alloc] initWithURL:url];    //创建视频播放器对象    _player = [AVPlayer playerWithPlayerItem:_playerItem];    //创建一个播放器承载对象,把播放器放到上面    _playerLayer = [AVPlayerLayer playerLayerWithPlayer:_player];    //设置一下承载对象的尺寸    _playerLayer.frame = CGRectMake(5,5, SCREEN_WIDTH, 290);    //视频的填充方式    _playerLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;    //把播放器添加到layer层上    [_playerView.layer insertSublayer:_playerLayer atIndex:0];    //给一个背景颜色    _playerView.backgroundColor = [UIColor whiteColor];}#pragma mark 手动快进- (IBAction)sliderAction:(id)sender {    //获取当前的时间    double currentTime = _duation * _progressSlider.value;        //设置要进行跳转的时间    CMTime drage = CMTimeMake(currentTime, 1);    //对player进行设置    [_player seekToTime:drage completionHandler:^(BOOL finished) {                [_player play];    }];                        }#pragma mark 播放暂停- (IBAction)startButton:(id)sender {        if (_isStart == YES) {        [_startButton setImage:[UIImage imageNamed:@"stop.png"] forState:UIControlStateNormal];        [_player pause];    }else{        [_startButton setImage:[UIImage imageNamed:@"start.png"] forState:UIControlStateNormal];        [_player play];    }    _isStart = !_isStart;}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}/*#pragma mark - Navigation// In a storyboard-based application, you will often want to do a little preparation before navigation- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {    // Get the new view controller using [segue destinationViewController].    // Pass the selected object to the new view controller.}*/@end