Merge WebKit at r84325: Initial merge by git.

Change-Id: Ic1a909300ecc0a13ddc6b4e784371d2ac6e3d59b

1 files changed, 82 insertions, 0 deletions

diff --git a/Source/WebCore/webaudio/DefaultAudioDestinationNode.cpp b/Source/WebCore/webaudio/DefaultAudioDestinationNode.cpp
new file mode 100644
index 0000000..f1a7263
--- /dev/null
+++ b/Source/WebCore/webaudio/DefaultAudioDestinationNode.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2011, Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#if ENABLE(WEB_AUDIO)
+
+#include "DefaultAudioDestinationNode.h"
+
+#ifndef NDEBUG
+#include <stdio.h>
+#endif
+
+namespace WebCore {
+    
+DefaultAudioDestinationNode::DefaultAudioDestinationNode(AudioContext* context)
+    : AudioDestinationNode(context, AudioDestination::hardwareSampleRate())
+{
+    initialize();
+}
+
+DefaultAudioDestinationNode::~DefaultAudioDestinationNode()
+{
+    uninitialize();
+}
+
+void DefaultAudioDestinationNode::initialize()
+{
+    if (isInitialized())
+        return;
+
+    double hardwareSampleRate = AudioDestination::hardwareSampleRate();
+#ifndef NDEBUG    
+    fprintf(stderr, ">>>> hardwareSampleRate = %f\n", hardwareSampleRate);
+#endif
+    
+    m_destination = AudioDestination::create(*this, hardwareSampleRate);
+    
+    AudioNode::initialize();
+}
+
+void DefaultAudioDestinationNode::uninitialize()
+{
+    if (!isInitialized())
+        return;
+
+    m_destination->stop();
+
+    AudioNode::uninitialize();
+}
+
+void DefaultAudioDestinationNode::startRendering()
+{
+    ASSERT(isInitialized());
+    if (isInitialized())
+        m_destination->start();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(WEB_AUDIO)