Hello,
The best way is to check the Real URLs for the duplicated SEF URLs, find which variables are used for the search query, and set them as Custom Non-SEF variables for the hwdvideoshare component through Manage Extensions page.
You could also set Number duplicate URLs to Yes either globally in JoomSEF's configuration or just for the component using Manage Extensions page, but that would store every search query made to the URL database.
Best regards,
ARTIO Support Team