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直播 (十七) : MPMoviePlayerViewController - 宋明的博客
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<h1 class="title">
直播 (十七) : MPMoviePlayerViewController
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<a href="http://apolla.cc">宋明</a>
<span style="color: #ccc;">|</span>
<span class="date"><i class="fa fa-calendar-check-o" aria-hidden="true"></i> 2023/03/18</span>
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<span class="posted-in"><a href='%E7%9B%B4%E6%92%AD.html'><i class="fa fa-folder" aria-hidden="true"></i> 直播</a></span>
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<p>MPMoviePlayerViewController 解释：视频播放器</p>
<p>iOS开发中播放音乐可以使用MPMusicPlayerController类来实现，播放视频可以使用MPMoviePlayerController和MPMoviePlayerViewController类来实现，MPMediaPickerController类可以用于从系统媒体库中选择媒体播放。这几个类都包含与MediaPlayer.framework框架中。</p>
<p>首先，将视频（video2.mov）导入到项目中，拖拽即可</p>
<h2><a id="1%E3%80%81%E5%AF%BC%E5%85%A5%E5%A4%B4%E6%96%87%E4%BB%B6" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>1、导入头文件</h2>
<pre class="line-numbers"><code class="language-objectivec">#import <MediaPlayer/MediaPlayer.h>
</code></pre>
<h2><a id="2%E3%80%81%E8%AE%BE%E7%BD%AExlb%E6%8B%96%E6%8B%BD%E4%B8%80%E4%B8%AA-view%EF%BC%8C%E8%BF%9E%E6%8E%A5%E5%8F%96%E5%90%8D%E4%B8%BAmovieview" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>2、设置Xlb,拖拽一个View，连接取名为movieView</h2>
<pre class="line-numbers"><code class="language-objectivec">@property (weak, nonatomic) IBOutlet UIView *movieView;
</code></pre>
<h2><a id="3%E3%80%81%E5%8A%A0%E8%BD%BD%E8%A7%86%E9%A2%91" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>3、加载视频</h2>
<pre class="line-numbers"><code class="language-objectivec">NSString *videoPath = [[NSBundle mainBundle] pathForResource:@"video2" ofType:@"mov"];
</code></pre>
<h2><a id="4%E3%80%81%E5%88%9D%E5%A7%8B%E5%8C%96%E8%A7%86%E9%A2%91%E6%92%AD%E6%94%BE%E5%99%A8" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>4、初始化视频播放器</h2>
<pre class="line-numbers"><code class="language-objectivec">@interface ViewController ()
{
//视频
MPMoviePlayerViewController *_moviePlayerVC;
}
_moviePlayerVC = [[MPMoviePlayerViewController alloc] initWithContentURL:[NSURL fileURLWithPath:videoPath]];
</code></pre>
<h2><a id="5%E3%80%81%E8%AE%BE%E7%BD%AE%E8%A7%86%E9%A2%91%E6%92%AD%E6%94%BE%E5%99%A8" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>5、设置视频播放器</h2>
<pre class="line-numbers"><code class="language-objectivec">//设置尺寸
[_moviePlayerVC.view setFrame:self.movieView.bounds];
//设置播放类型
[_moviePlayerVC.moviePlayer setControlStyle:MPMovieControlStyleFullscreen];
</code></pre>
<h2><a id="6%E3%80%81%E5%B0%86%E6%92%AD%E6%94%BE%E5%99%A8%E6%B7%BB%E5%8A%A0%E8%87%B3view" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>6、将播放器添加至View</h2>
<pre class="line-numbers"><code class="language-objectivec">[self.movieView addSubview:_moviePlayerVC.view];
</code></pre>
<h2><a id="7%E3%80%81%E6%92%AD%E6%94%BE%E8%A7%86%E9%A2%91" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>7、播放视频</h2>
<pre class="line-numbers"><code class="language-objectivec">[_moviePlayerVC.moviePlayer play];
</code></pre>
<h2><a id="%E5%AE%9E%E7%8E%B0%EF%BC%9A" class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>实现：</h2>
<p>此时，当视频播放完成后，会暂停在View上。<br />
可使用消息机制相应视频播放完成后的状态</p>
<p>//当视频播放完成后，由MPMoviePlayer内部发出，传递视频，我们只负责接收即可</p>
<pre class="line-numbers"><code class="language-objectivec">[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(movieFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:_moviePlayerVC.moviePlayer];
- (void)movieFinish:(NSNotification *)notification
{
MPMoviePlayerController *controller = notification.object;
//删除消息观察者
[[NSNotificationCenter defaultCenter] removeObserver:self name:MPMoviePlayerPlaybackDidFinishNotification object:controller];
[controller stop];//停止视频
_moviePlayerVC = nil;
}
</code></pre>
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