https://bugs.webkit.org/show_bug.cgi?id=84687

Patch by Xingnan Wang <xingnan.wang@intel.com> on 2012-04-30
Reviewed by Chris Rogers.

Source/WebCore:

Tests: webaudio/javascriptaudionode-downmix8-2channel-input.html
       webaudio/javascriptaudionode-upmix2-8channel-input.html

* Modules/webaudio/JavaScriptAudioNode.cpp:
(WebCore::JavaScriptAudioNode::create):
(WebCore::JavaScriptAudioNode::JavaScriptAudioNode):
(WebCore::JavaScriptAudioNode::initialize):
(WebCore::JavaScriptAudioNode::process):
* Modules/webaudio/JavaScriptAudioNode.h:
(JavaScriptAudioNode):

LayoutTests:

* webaudio/javascriptaudionode-downmix8-2channel-input-expected.txt: Added.
* webaudio/javascriptaudionode-downmix8-2channel-input.html: Added.
* webaudio/javascriptaudionode-upmix2-8channel-input-expected.txt: Added.
* webaudio/javascriptaudionode-upmix2-8channel-input.html: Added.
* webaudio/resources/javascriptaudionode-testing.js: Added.
(createBuffer):
(processAudioData):
(fillData):
(checkStereoOnlyData):
(runJSNodeTest):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@115699 268f45cc-cd09-0410-ab3c-d52691b4dbfc