Use the Insert HTML5 Video button in the WordPress editor or use the [videojs] shortcode in your post or page using the following options:

mp4

The location of the h.264/MP4 source for the video.

[videojs mp4="http://video-js.zencoder.com/oceans-clip.mp4"]

ogg

The location of the Theora/Ogg source for the video.

[videojs ogg="http://video-js.zencoder.com/oceans-clip.ogg"]

webm

The location of the VP8/WebM source for the video.

[videojs webm="http://video-js.zencoder.com/oceans-clip.webm"]

youtube

The url of the youtube video.

[videojs youtube="http://www.youtube.com/watch?v=DJU6ppZAaec"]

poster

The location of the poster frame for the video.

[videojs poster="http://video-js.zencoder.com/oceans-clip.png"]

width

The width of the video.

[videojs width="640"]

height

The height of the video.

[videojs height="264"]

preload

Start loading the video as soon as possible, before the user clicks play. Use 'auto', 'metadata', or 'none'. Auto will preload when the browser or device allows it. Metadata will load only the meta data of the video.

[videojs preload="auto"]

autoplay

Start playing the video as soon as it's ready. Use 'true' or 'false'.

[videojs autoplay="true"]

loop

Causes the video to start over as soon as it ends. Use 'true' or 'false'.

[videojs loop="true"]

controls

Use 'false' to hide the player controls.

[videojs controls="false"]

id

Add a custom ID to your video player.

[videojs id="movie-id"]

class

Add a custom class to your player. Use full for floating the video player using 'alignleft' or 'alignright'.

[videojs class="alignright"]

Tracks

Text Tracks are a function of HTML5 video for providing time triggered text to the viewer. To use tracks use the [track] shortcode inside of the [videojs] shortcode. You can set values for the kind, src, srclang, label, and default attributes. More information is available in the Video.js Documentation.

[videojs][track kind="captions" src="http://video-js.zencoder.com/oceans-captions.vtt" srclang="en" label="English" default="true"][/videojs]