self.playerView.videoURL = self.videoURL;
// Back button event
__weak typeof(self) weakSelf = self;
self.playerView.goBackBlock = ^{
	[weakSelf.navigationController popViewControllerAnimated:YES];
};

self.playerView = [[ZFPlayerView alloc] init];
[self.view addSubview:self.playerView];
[self.playerView mas_makeConstraints:^(MASConstraintMaker *make) {
 	make.top.equalTo(self.view).offset(20);
 	make.left.right.equalTo(self.view);
	// Note here, the aspect ratio 16:9 priority is lower than 1000 on the line, because the 4S iPhone aspect ratio is not 16:9
    make.height.equalTo(self.playerView.mas_width).multipliedBy(9.0f/16.0f).with.priority(750);
}];
self.playerView.videoURL = self.videoURL;
// Back button event
__weak typeof(self) weakSelf = self;
self.playerView.goBackBlock = ^{
	[weakSelf.navigationController popViewControllerAnimated:YES];
};

 // you can set the fill mode of the video, the default settings (ZFPlayerLayerGravityResizeAspect: wait for a proportional fill, until a dimension reaches the area boundary).
 self.playerView.playerLayerGravity = ZFPlayerLayerGravityResizeAspect;

 // Default is to close the breakpoint download function, such as the need for this feature set here
 self.playerView.hasDownload = YES;

// Play video from XX seconds
self.playerView.seekTime = 15;

// Automatically play the video
[self.playerView autoPlayTheVideo];

// Here is the name of the picture
self.playerView.placeholderImageName = @"...";