skip-if = true # Disabled due to bug 1124493 and friends. WebM MSE is deprioritized.
+        // 0.767 is the time of the last video sample +- 40ms.
around 2s. See bug 1093133.
+      // Set appendWindowEnd to ensure we only have about 6 frames worth.
+      // We must feed at least 6 frames to pass the MDSM pre-roll.
+      // Waiting will be fired on the last frame +- 40ms.
+      // and fix them in bug 1137574.
// canplaythrough to be fired later.
-      // Some decoders (Windows in particular) may keep up to 25 frames queued.
+      // 0.0465 is the length of the last audio frame.
+    // always fired (bug 1233639).
// we starting waiting for 'waiting'.