Title: [148555] trunk/Source/WebCore
Revision
148555
Author
[email protected]
Date
2013-04-16 15:35:53 -0700 (Tue, 16 Apr 2013)

Log Message

ASSERTION FAILED: i < size(), UNKNOWN in WebCore::ChannelMergerNode::process
https://bugs.webkit.org/show_bug.cgi?id=112657

Avoid to access input bus in checkNumberOfChannelsForInput() before the
bus is updated with AudioNode::checkNumberOfChannelsForInput().

Reviewed by Chris Rogers.

* Modules/webaudio/ChannelMergerNode.cpp:
(WebCore::ChannelMergerNode::checkNumberOfChannelsForInput):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (148554 => 148555)


--- trunk/Source/WebCore/ChangeLog	2013-04-16 22:35:05 UTC (rev 148554)
+++ trunk/Source/WebCore/ChangeLog	2013-04-16 22:35:53 UTC (rev 148555)
@@ -1,3 +1,16 @@
+2013-04-16  Wei James  <[email protected]>
+
+        ASSERTION FAILED: i < size(), UNKNOWN in WebCore::ChannelMergerNode::process
+        https://bugs.webkit.org/show_bug.cgi?id=112657
+
+        Avoid to access input bus in checkNumberOfChannelsForInput() before the
+        bus is updated with AudioNode::checkNumberOfChannelsForInput().
+
+        Reviewed by Chris Rogers.
+
+        * Modules/webaudio/ChannelMergerNode.cpp:
+        (WebCore::ChannelMergerNode::checkNumberOfChannelsForInput):
+
 2013-04-16  Ryosuke Niwa  <[email protected]>
 
         Even more Windows build fix and a Qt minimal build fix attempt.

Modified: trunk/Source/WebCore/Modules/webaudio/ChannelMergerNode.cpp (148554 => 148555)


--- trunk/Source/WebCore/Modules/webaudio/ChannelMergerNode.cpp	2013-04-16 22:35:05 UTC (rev 148554)
+++ trunk/Source/WebCore/Modules/webaudio/ChannelMergerNode.cpp	2013-04-16 22:35:53 UTC (rev 148555)
@@ -111,7 +111,7 @@
     for (unsigned i = 0; i < numberOfInputs(); ++i) {
         AudioNodeInput* input = this->input(i);
         if (input->isConnected())
-            numberOfOutputChannels += input->bus()->numberOfChannels();
+            numberOfOutputChannels += input->numberOfChannels();
     }
 
     // Set the correct number of channels on the output
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