Note that mpv might be usable for watching YouTube streams

css/app/seagl.scss

@@ -60,6 +60,10 @@ a:not(.btn):not(.label) {
     color: inherit;
   }
 }
+.text-muted code {
+  color: #886063;
+  background-color: #f9f2f444;
+}
 figcaption {
   text-align: center;
 

watch.html

@@ -36,7 +36,13 @@
               <div class="embed-responsive-item embed-placeholder">
                 <p>This video is hosted on YouTube.</p>
 
-                <p class="text-muted" style="position: absolute;bottom: 0;margin: 1em;">Interested in helping us do better? Please consider <a href="/get_involved">volunteering</a>!</p>
+                <div class="text-center text-muted" style="position: absolute;bottom: 0;margin: 1em;">
+                  <p>Interested in helping us do better? Please consider <a href="/get_involved">volunteering</a>!</p>
+                  <p class="hidden-xs">
+                    As an alternative to YouTube’s propriety player, you might be able to use:
+                    <code style="white-space: nowrap;"><a href="https://mpv.io/">mpv</a> https://youtu.be/<span style="user-select: all;">{{ stream.youtube_id }}</span></code>
+                  </p>
+                </div>
 
                 <p><a class="btn btn-danger embed-placeholder-continue" href="https://youtu.be/{{ stream.youtube_id }}">View</a></p>