Bug 487659. Make sure we never pass a playback rate of 0 to the media cache. r=doublec

--HG--
extra : rebase_source : af86613bb5283e777acf1ca01d67eaa734cb8a0f

content/media/video/src/nsOggDecoder.cpp

@@ -2033,7 +2033,10 @@ void nsOggDecoder::UpdatePlaybackRate()
     return;
   PRPackedBool reliable;
   PRUint32 rate = PRUint32(ComputePlaybackRate(&reliable));
-  if (!reliable) {
+  if (reliable) {
+    // Avoid passing a zero rate
+    rate = PR_MAX(rate, 1);
+  } else {
     // Set a minimum rate of 10,000 bytes per second ... sometimes we just
     // don't have good data
     rate = PR_MAX(rate, 10000);