This plugin allows to show the live video of a webcam or a netcam. 
The image is refreshed with the specified time. 
If the refresh time is too low the image could skip. 
To get good results it is better to set a refresh time between 1000 and 5000 milliseconds.
A widget is also available.
Shortcode parameters
<ul>
<li>url (required): webcam URL to a single image of the live stream</li>
<li>refresh: image reload time in milliseconds (default: 1000)</li>
<li>width: image width (ex. 100%, 640)</li>
<li>height: image height (ex. 50%, 480)</li>
<li>click: enable/disable click event to freeze the current image</li>
</ul>
Example
<pre><code>[netcam-live url="http://cam6284208.miemasu.net/snapshotJPEG?Resolution=640x480&Quality=Clarity" refresh="2000" width="100%"]
</code></pre>

Netcam / Webcam Live Stream

Add a live video stream from a netcam / webcam in posts or pages

Live Editor

Upload, embed, and link to your files hosted on Live Editor directly in your WordPress site.
<ul>
<li>HTML5 video and audio media encoding built in. Your uploaded files are automatically encoded into the formats required for playback on all computers and mobile devices.</li>
<li>Reliable cloud hosting. All uploaded files are stored on and served from Amazon S3.</li>
<li>Better organization and retrieval. Organize your files into collections. Add basic metadata. Use our powerful built-in search engine to find what you’re looking for.</li>
<li>Automatically track your usage of files when you add them to a post or page in WordPress. Then you’ll know the full impact of uploading a new version or deleting the file later.</li>
<li>Track sources and derivatives for each file.</li>
<li>Link up YouTube and Vimeo videos to their source video files for easier retrieval and editing later.</li>
<li>Seamless integration with WordPress. We’ve taken great care to build this WordPress plugin with the same visual style and functionality that you’d expect from WordPress. You’ll forget that you’re using an external service while you’re authoring your content.</li>
</ul>
Note: This plugin requires paid subscription to the <a href="http://www.liveeditorcms.com/file-manager?utm_source=WordPress%2BPlugin%2BDirectory&utm_medium=readme&utm_content=v0.5.7&utm_campaign=WordPress%2BPlugin" rel="nofollow ugc">Live Editor File Manager</a> service.

Live Editor File Manager

Better media management for WordPress. Upload, embed, and link to your files hosted on Live Editor directly in your WordPress site.

Netcam / Webcam Live Stream vs Live Editor File Manager