Bug 1474621 - Ignore same values in SetDefaultPlaybackRate. r=jya

Differential Revision: https://phabricator.services.mozilla.com/D33094
2019-05-30 07:38:54 +00:00
parent 3a9af4345c
commit 71a3c5adc0
1 changed files with 7 additions and 1 deletions
--- a/dom/html/HTMLMediaElement.cpp
+++ b/dom/html/HTMLMediaElement.cpp
@@ -6270,7 +6270,13 @@ void HTMLMediaElement::SetDefaultPlaybackRate(double aDefaultPlaybackRate,
    return;
  }

-  mDefaultPlaybackRate = ClampPlaybackRate(aDefaultPlaybackRate);
+  double defaultPlaybackRate = ClampPlaybackRate(aDefaultPlaybackRate);
+
+  if (mDefaultPlaybackRate == defaultPlaybackRate) {
+    return;
+  }
+
+  mDefaultPlaybackRate = defaultPlaybackRate;
  DispatchAsyncEvent(NS_LITERAL_STRING("ratechange"));
 }