WordPress Video SEO plugin allows you to generate a sitemap for your videos. It helps search engine index your videos for better ranking.
Video sitemap is a way to help search engine discover your videos and index them accordingly. It also allows you to link one video to a specific post/page
Video Sitemap Generation
The plugin is fairly simple to use. Once you have installed the plugin go to the settings menu of the plugin from your WP Dashboard (Settings->WP Video SEO). Click on the "Generate Video Sitemap" button which will create a video sitemap in the root directory of your site. Check to make sure that the file "sitemap-video.xml" has been created.
If you make any changes to your existing posts/pages the sitemap will be updated automatically. So you just need to generate it once. The full URL to your video sitemap usually looks like the following:
If you are using Google Webmaster Tools you can submit the "sitemap-video.xml" file as a sitemap which will allow you to monitor the index status of your videos.
For detailed documentation please visit the WordPress Video SEO plugin page