iOS视频播放自定义窗口

#import "ViewController.h"#import#import@interface ViewController ()@property (nonatomic,strong) AVPlayer *player;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.    //.mp4  // NSString *playStr = @"http://v.cctv.com/flash/mp4video6/TMS/2011/01/05/cf752b1c12ce452b3040cab2f90bc265_h264818000nero_aac32-1.mp4";    NSString *playStr = @"http://player.video.qiyi.com/4cc27d815269fa55fa134fdd3992c85a/0/300/w_19rtqzch9t.swf-albumId=8098183709-tvId=8098183709-isPurchase=0-cnId=7.mp4";    NSURL *playURL = [NSURL URLWithString:playStr];    // 设置播放的项目    AVPlayerItem *item = [[AVPlayerItem alloc]initWithURL:playURL];    self.player = [[AVPlayer alloc]initWithPlayerItem:item];    // 设置播放页面    AVPlayerLayer *layer = [AVPlayerLayer playerLayerWithPlayer:self.player];    // 设置播放页面的大小    layer.frame = CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 250);    layer.backgroundColor = [UIColor cyanColor].CGColor;    // 设置播放窗口和当前视图之间的比例显示内容    layer.videoGravity = AVLayerVideoGravityResizeAspect;    [self.view.layer addSublayer:layer];    // 设置播放进度的默认值        // 设置默认音量    self.player.volume = 3.0f;}- (IBAction)againButton:(id)sender {    }- (IBAction)stopButton:(id)sender {    [self.player pause];}- (IBAction)playButton:(id)sender {    [self.player play];}