No, the plugin get a Vimeo video without any problem:
<?xml version="1.0" encoding="UTF-8"?>
<!-- Created by Google Video Sitemap Feed With Multisite Support by Art Project Group (https://www.artprojectgroup.es/plugins-para-wordpress/google-video-sitemap-feed-with-multisite-support) -->
<!-- Generated-on="2014-05-13T15:50:12+00:00" -->
<?xml-stylesheet type="text/xsl" href="https://localhost:8888/wordpress/wp-content/plugins/google-video-sitemap-feed-with-multisite-support/video-sitemap.xsl"?>
<urlset xmlns="https://www.sitemaps.org/schemas/sitemap/0.9" xmlns:video="https://www.google.com/schemas/sitemap-video/1.1">
<url>
<loc>https://localhost:8888/wordpress/prueba-de-vimeo</loc>
<video:video>
<video:player_loc allow_embed="yes" autoplay="autoplay=1">https://player.vimeo.com/video/93213203</video:player_loc>
<video:thumbnail_loc>https://i.vimeocdn.com/video/473217753_640.jpg</video:thumbnail_loc>
<video:title>Prueba de Vimeo</video:title>
<video:description>Between Zero & One from ApK on Vimeo.</video:description>
<video:category>Sin categoría</video:category>
</video:video>
</url>
</urlset>