Add a note about presentation/capture timestamps being potentially th…

…e same for local capture
w3c · Oct 11, 2024 · fcafe1c · fcafe1c
1 parent 794cd2d
commit fcafe1c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/index.html b/index.html
@@ -1253,6 +1253,10 @@ <h3>Local video capture timestamps</h3>
         the frame was captured.
         This value MUST be monotonically increasing.
       </p>
+      <div class="note">
+        Local capture tracks have a fixed offset between [=presentation timestamp=] and [=capture timestamp=]. The
+        user agent may let this be zero with the result that [=presentation timestamp=] is the same as [=capture timestamp=].
+      </div>
     </section>
 
     <section>