From c09c157cde4f751cbebde9f12dc02d7a83688bd6 Mon Sep 17 00:00:00 2001
From: Andreas Pehrson <pehrsons@mozilla.com>
Date: Fri, 1 Dec 2017 15:37:54 +0100
Subject: [PATCH] Bug 1408294 - Assert that we don't underrun globally.
 r=padenot

MozReview-Commit-ID: 1vEN1K1TK5n

--HG--
extra : rebase_source : e2bcc28d52b28e741e8a114db4cee9880abf6562
---
 dom/media/GraphDriver.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dom/media/GraphDriver.cpp b/dom/media/GraphDriver.cpp
index e9b3efaaa866..2cf624b3ae5c 100644
--- a/dom/media/GraphDriver.cpp
+++ b/dom/media/GraphDriver.cpp
@@ -960,7 +960,8 @@ AudioCallbackDriver::DataCallback(const AudioDataValue* aInputBuffer,
   mCurrentTimeStamp = TimeStamp::Now();
 
   if (stateComputedTime < mIterationEnd) {
-    LOG(LogLevel::Warning, ("Media graph global underrun detected"));
+    LOG(LogLevel::Error, ("Media graph global underrun detected"));
+    MOZ_ASSERT_UNREACHABLE("We should not underrun in full duplex");
     mIterationEnd = stateComputedTime;
   }