AVFoundation--AVPlayer

//
//  AVPlayerNetViewController.m
//  PodsTest
//
//  Created by ZhuYi on 16/4/29.
//  Copyright © 2016年 DDP. All rights reserved.
//

#import "AVPlayerNetViewController.h"
#import <AVFoundation/AVFoundation.h>

@interface AVPlayerNetViewController (){
    AVPlayer *player;//播放器对象
    UIView *container; //播放器容器
    UIButton *playOrPause; //播放/暂停按钮
    UIProgressView *progress;//播放进度
    AVPlayerItem *playerItem;//播放项
}
@end

@implementation AVPlayerNetViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view from its nib.
    self.view.backgroundColor = [UIColor whiteColor];

    [self container];
    [self progressView];
    [self setUpPlayer];
}
- (void)container{
    container = [[UIView alloc] initWithFrame:CGRectMake(, , self.view.frame.size.width, )];
    [self.view addSubview:container];
}
- (void)progressView{
    progress = [[UIProgressView alloc] initWithFrame:CGRectMake(, , self.view.frame.size.width - , )];
    progress.progress = ;
    progress.progressTintColor = [UIColor orangeColor];
    progress.trackTintColor = [UIColor grayColor];
    [self.view addSubview:progress];

    playOrPause = [UIButton buttonWithType:UIButtonTypeCustom];
    playOrPause.frame = CGRectMake(, , self.view.frame.size.width - , );
    playOrPause.selected = NO;
    playOrPause.backgroundColor = [UIColor orangeColor];
    [playOrPause setTitle:@"播放" forState:UIControlStateNormal];
    [playOrPause setTitle:@"暂停" forState:UIControlStateSelected];
    [playOrPause addTarget:self action:@selector(playControlClicked:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:playOrPause];
}
- (void)playControlClicked:(UIButton *)sender{
    sender.selected = !sender.selected;
    if (sender.selected) {
        [player play];
    }else{
        [player pause];
    }
}
- (void)setUpPlayer{
    NSURL *url = [NSURL URLWithString:@"http://7s1sjv.com2.z0.glb.qiniucdn.com/9F76A25D-9509-DEE9-3D8A-E93F360BB0E5.mp4"];
    playerItem = [AVPlayerItem playerItemWithURL:url];
    [playerItem addObserver:self forKeyPath:@"status" options:NSKeyValueObservingOptionNew context:nil];// 监听status属性
    [playerItem addObserver:self forKeyPath:@"loadedTimeRanges" options:NSKeyValueObservingOptionNew context:nil];// 监听缓冲进度
    //给AVPlayerItem添加播放完成通知
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackFinished:) name:AVPlayerItemDidPlayToEndTimeNotification object:nil];

    player = [AVPlayer playerWithPlayerItem:playerItem];

    AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:player];
    playerLayer.frame = container.frame;
    [container.layer addSublayer:playerLayer];
}
-(void)playbackFinished:(NSNotification *)notification{
    NSLog(@"视频播放完成.");
}
#pragma mark - KVO - status
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    AVPlayerItem *item = (AVPlayerItem *)object;
    if ([keyPath isEqualToString:@"status"]) {
            if ([item status] == AVPlayerStatusReadyToPlay) {
                NSLog(@"AVPlayerStatusReadyToPlay");
                CMTime duration = item.duration;// 获取视频总长度
                NSLog(@"%f", CMTimeGetSeconds(duration));
            }else if([item status] == AVPlayerStatusFailed) {
                NSLog(@"AVPlayerStatusFailed");
            }else{
                NSLog(@"AVPlayerStatusUnknown");
            }
    }else if ([keyPath isEqualToString:@"loadedTimeRanges"]) {
    }
}
@end