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<a href="http://github.com/DIYgod/DPlayer" rel="nofollow ugc">DPlayer</a> is such a lovely HTML5 danmaku video player by DIYGod, and it’s used on many platforms. 
Today, DPlayer is coming to WordPress.
Usage is rather simple, and here is the template of shortcode we supported. 
[dplayer url=”https://anotherhome.net/DIYgod-cannot-even-discribe.mp4″ pic=”https://anotherhome.com/DIYgod-cannot-even-discribe.png” autoplay=”true” danmu=”true”/]
Parameter ‘url’ is the source URL to the video file, you can upload the video to your WordPress library, then use it here. 
Parameter ‘pic’ is the poster of the video. And it’s optional. 
Parameter ‘autoplay’, as the name suggests, if it is true, then once the video is prepared, it starts to play . Default false and it is optional also. 
Parameter ‘screenshot’, enable screenshot?. Optional and default false. 
Parameter ‘loop’, enable loop?. Optional and default false. 
Parameter ‘preload’, preload mode, ‘auto’, ‘metatdata’ or ‘none’. Optional and default metadata. 
Parameter ‘hotkey’, enable builtin hotkey? including left, right and Space. Optional and default true. 
Parameter ‘bilibili’, bilibili视频AV号 或者 完整的bilibili视频链接. Additional danmaku from bilibili 
Parameter ‘danmu’, should DPlayer load danmaku. Default false and it’s optional.

DPlayer for WordPress

DPlayer is such a lovely HTML5 danmaku video player by DIYGod, and it's used on many platforms.

Eirudo

Embed YouTube videos and keept their aspect ratio, just using simple shortcode.
<ul>
<li>Simple shortcode, can be used in the posts or widgets.</li>
<li>Using default YouTube Embed Code (iframe), but make it responsive</li>
<li>Custom aspect ratio, if you want set different porpotion size.</li>
<li>Auto centered position. So if you insert it on your post section, the video always on center-aligned.</li>
<li>Lazy Load supported.</li>
<li>100% Free! And no ads or even trackers inside.</li>
</ul>
<h3>Arbitrary section</h3>
<h3>A brief Markdown Example</h3>
Pros: 
1. Simple, only using shortcode to use for individual video each shortcode 
2. Lazy Load supported 
3. Custom parameters for advanced use
Cons: 
1. Only for simple use,not for advanced playlist. Embedding one video for each shortcode.

Simple YouTube Responsive

Perfect

You can add a line to your functions.php to make videos responsive if you're doing your own theme. However, if you're not, this plugin works beautifully and gives other options like lazy load, etc. 

If doing your own theme, add: add_theme_support( 'responsive-embeds' );

Works Beautifully

Embed responsive YouTube videos using simple shortcode. Lazy Load supported.

DPlayer for WordPress vs Simple YouTube Responsive