//聯系人:石虎QQ: 1224614774昵稱:嗡嘛呢叭咪哄
/**鏈接:http://write.blog.csdn.net/postedit/75268039
1.引入系統框架
2.創建視頻的url
3.創建播放項目
4.初始化播放器
5.設置播放頁面
*/
//引入系統文件
#import
#import
@interfaceViewController ()
/**
*? 控制視頻播放的控件
*/
@property(weak,nonatomic)IBOutletUISlider *progressSlider;
/**
*? 聲明播放視頻的控件屬性[既可以播放視頻也可以播放音頻]
*/
@property(nonatomic,strong)AVPlayer *player;
/**
*? 播放的總時長
*/
@property(nonatomic,assign)CGFloat sumPlayOperation;
@end
@implementationViewController
- (void)viewDidLoad {
[superviewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
//設置播放的url
NSString*playString = @"http://static.tripbe.com/videofiles/20121214/9533522808.f4v.mp4";
NSURL*url = [NSURLURLWithString:playString];
//設置播放的項目
AVPlayerItem *item = [[AVPlayerItem alloc] initWithURL:url];
//初始化player對象
self.player = [[AVPlayer alloc] initWithPlayerItem:item];
//設置播放頁面
AVPlayerLayer *layer = [AVPlayerLayer playerLayerWithPlayer:_player];
//設置播放頁面的大小
layer.frame = CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 300);
layer.backgroundColor = [UIColor cyanColor].CGColor;
//設置播放窗口和當前視圖之間的比例顯示內容
layer.videoGravity = AVLayerVideoGravityResizeAspect;
//添加播放視圖到self.view
[self.view.layer addSublayer:layer];
//設置播放進度的默認值
self.progressSlider.value = 0;
//設置播放的默認音量值
self.player.volume = 1.0f;
}
#pragma mark - 開始按鈕響應方法
- (IBAction)startPlayer:(id)sender {
[self.player play];
}
#pragma mark - 暫停按鈕響應方法
- (IBAction)stopPlayer:(id)sender {
[self.player pause];
}
#pragma mark - 改變進度
- (IBAction)changeProgress:(id)sender {
self.sumPlayOperation =self.player.currentItem.duration.value/self.player.currentItem.duration.timescale;
//CMTimeMake(a,b) a表示當前時間，b表示每秒鐘有多少幀
[self.player seekToTime:CMTimeMakeWithSeconds(self.progressSlider.value*self.sumPlayOperation,self.player.currentItem.duration.timescale) completionHandler:^(BOOLfinished) {
[self.player play];
}];
}
謝謝!!!
