Automated merge with ssh://hg.lindenlab.com/q/viewer-hotfix

8 files changed, 832 insertions, 60 deletions

diff --git a/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp b/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp
index a69da3ff5a..033c4ba2f3 100644
--- a/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp
+++ b/indra/media_plugins/gstreamer010/media_plugin_gstreamer010.cpp
@@ -141,6 +141,7 @@ private:
 	// Very GStreamer-specific
 	GMainLoop *mPump; // event pump for this media
 	GstElement *mPlaybin;
+	GstElement *mVisualizer;
 	GstSLVideo *mVideoSink;
 };
 
@@ -159,6 +160,7 @@ MediaPluginGStreamer010::MediaPluginGStreamer010(
 	mSeekDestination(0.0),
 	mPump ( NULL ),
 	mPlaybin ( NULL ),
+	mVisualizer ( NULL ),
 	mVideoSink ( NULL ),
 	mCommand ( COMMAND_NONE )
 {
@@ -686,6 +688,33 @@ MediaPluginGStreamer010::load()
 					   this);
 	llgst_object_unref (bus);
 
+	// get a visualizer element (bonus feature!)
+	char* vis_name = getenv("LL_GST_VIS_NAME");
+	if (!vis_name ||
+	    (vis_name && std::string(vis_name)!="none"))
+	{
+		if (vis_name)
+		{
+			mVisualizer = llgst_element_factory_make (vis_name, "vis");
+		}
+		if (!mVisualizer)
+		{
+			mVisualizer = llgst_element_factory_make ("libvisual_jess", "vis");
+			if (!mVisualizer)
+			{
+				mVisualizer = llgst_element_factory_make ("goom", "vis");
+				if (!mVisualizer)
+				{
+					mVisualizer = llgst_element_factory_make ("libvisual_lv_scope", "vis");
+					if (!mVisualizer)
+					{
+						// That's okay, we don't NEED this.
+					}
+				}
+			}
+		}
+	}
+
 	if (NULL == getenv("LL_GSTREAMER_EXTERNAL")) {
 		// instantiate a custom video sink
 		mVideoSink =
@@ -702,6 +731,11 @@ MediaPluginGStreamer010::load()
 		g_object_set(mPlaybin, "video-sink", mVideoSink, NULL);
 	}
 
+	if (mVisualizer)
+	{
+		g_object_set(mPlaybin, "vis-plugin", mVisualizer, NULL);
+	}
+
 	return true;
 }
 
@@ -724,6 +758,12 @@ MediaPluginGStreamer010::unload ()
 		mPlaybin = NULL;
 	}
 
+	if (mVisualizer)
+	{
+		llgst_object_unref (GST_OBJECT (mVisualizer));
+		mVisualizer = NULL;
+	}
+
 	if (mPump)
 	{
 		g_main_loop_quit(mPump);
diff --git a/indra/media_plugins/webkit/CMakeLists.txt b/indra/media_plugins/webkit/CMakeLists.txt
index 9f66a77c64..1a559ed39c 100644
--- a/indra/media_plugins/webkit/CMakeLists.txt
+++ b/indra/media_plugins/webkit/CMakeLists.txt
@@ -36,6 +36,10 @@ set(media_plugin_webkit_SOURCE_FILES
     media_plugin_webkit.cpp
     )
 
+set(media_plugin_webkit_HEADER_FILES
+    volume_catcher.h
+    )
+
 set(media_plugin_webkit_LINK_LIBRARIES
   ${LLPLUGIN_LIBRARIES}
   ${MEDIA_PLUGIN_BASE_LIBRARIES}
@@ -45,12 +49,31 @@ set(media_plugin_webkit_LINK_LIBRARIES
   ${PULSEAUDIO_LIBRARIES}
 )
 
-if (LINUX)
+# Select which VolumeCatcher implementation to use
+if (LINUX AND PULSEAUDIO)
   list(APPEND media_plugin_webkit_SOURCE_FILES linux_volume_catcher.cpp)
   list(APPEND media_plugin_webkit_LINK_LIBRARIES
        ${UI_LIBRARIES}     # for glib/GTK
        )
-endif (LINUX)
+elseif (DARWIN)
+  list(APPEND media_plugin_webkit_SOURCE_FILES mac_volume_catcher.cpp)
+  find_library(CORESERVICES_LIBRARY CoreServices)
+  find_library(AUDIOUNIT_LIBRARY AudioUnit)
+  list(APPEND media_plugin_webkit_LINK_LIBRARIES
+       ${CORESERVICES_LIBRARY}     # for Component Manager calls
+       ${AUDIOUNIT_LIBRARY}        # for AudioUnit calls
+       )
+elseif (WINDOWS)
+  list(APPEND media_plugin_webkit_SOURCE_FILES windows_volume_catcher.cpp)
+else (LINUX AND PULSEAUDIO)
+  # All other platforms use the dummy volume catcher for now.
+  list(APPEND media_plugin_webkit_SOURCE_FILES dummy_volume_catcher.cpp)
+endif (LINUX AND PULSEAUDIO)
+
+set_source_files_properties(${media_plugin_webkit_HEADER_FILES}
+                            PROPERTIES HEADER_FILE_ONLY TRUE)
+
+list(APPEND media_plugin_webkit_SOURCE_FILES ${media_plugin_webkit_HEADER_FILES})
 
 add_library(media_plugin_webkit
     SHARED
diff --git a/indra/media_plugins/webkit/dummy_volume_catcher.cpp b/indra/media_plugins/webkit/dummy_volume_catcher.cpp
new file mode 100644
index 0000000000..45b2c62eba
--- /dev/null
+++ b/indra/media_plugins/webkit/dummy_volume_catcher.cpp
@@ -0,0 +1,63 @@
+/** 
+ * @file dummy_volume_catcher.cpp
+ * @brief A null implementation of the "VolumeCatcher" class for platforms where it's not implemented yet.
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+#include "volume_catcher.h"
+
+
+class VolumeCatcherImpl
+{
+};
+
+/////////////////////////////////////////////////////
+
+VolumeCatcher::VolumeCatcher()
+{
+	pimpl = NULL;
+}
+
+VolumeCatcher::~VolumeCatcher()
+{
+}
+
+void VolumeCatcher::setVolume(F32 volume)
+{
+}
+
+void VolumeCatcher::setPan(F32 pan)
+{
+}
+
+void VolumeCatcher::pump()
+{
+}
+
diff --git a/indra/media_plugins/webkit/linux_volume_catcher.cpp b/indra/media_plugins/webkit/linux_volume_catcher.cpp
index 52ab766f7f..2e7fda865e 100644
--- a/indra/media_plugins/webkit/linux_volume_catcher.cpp
+++ b/indra/media_plugins/webkit/linux_volume_catcher.cpp
@@ -42,11 +42,9 @@
 
 #include "linden_common.h"
 
-#include "linux_volume_catcher.h"
+#include "volume_catcher.h"
 
 
-#if LL_PULSEAUDIO_ENABLED
-
 extern "C" {
 #include <glib.h>
 
@@ -161,11 +159,11 @@ extern "C" {
 }
 
 
-class LinuxVolumeCatcherImpl
+class VolumeCatcherImpl
 {
 public:
-	LinuxVolumeCatcherImpl();
-	~LinuxVolumeCatcherImpl();
+	VolumeCatcherImpl();
+	~VolumeCatcherImpl();
 
 	void setVolume(F32 volume);
 	void pump(void);
@@ -189,7 +187,7 @@ public:
 	bool mGotSyms;
 };
 
-LinuxVolumeCatcherImpl::LinuxVolumeCatcherImpl()
+VolumeCatcherImpl::VolumeCatcherImpl()
 	: mDesiredVolume(0.0f),
 	  mMainloop(NULL),
 	  mPAContext(NULL),
@@ -199,17 +197,17 @@ LinuxVolumeCatcherImpl::LinuxVolumeCatcherImpl()
 	init();
 }
 
-LinuxVolumeCatcherImpl::~LinuxVolumeCatcherImpl()
+VolumeCatcherImpl::~VolumeCatcherImpl()
 {
 	cleanup();
 }
 
-bool LinuxVolumeCatcherImpl::loadsyms(std::string pulse_dso_name)
+bool VolumeCatcherImpl::loadsyms(std::string pulse_dso_name)
 {
 	return grab_pa_syms(pulse_dso_name);
 }
 
-void LinuxVolumeCatcherImpl::init()
+void VolumeCatcherImpl::init()
 {
 	// try to be as defensive as possible because PA's interface is a
 	// bit fragile and (for our purposes) we'd rather simply not function
@@ -262,7 +260,7 @@ void LinuxVolumeCatcherImpl::init()
 	}
 }
 
-void LinuxVolumeCatcherImpl::cleanup()
+void VolumeCatcherImpl::cleanup()
 {
 	mConnected = false;
 
@@ -280,7 +278,7 @@ void LinuxVolumeCatcherImpl::cleanup()
 	mMainloop = NULL;
 }
 
-void LinuxVolumeCatcherImpl::setVolume(F32 volume)
+void VolumeCatcherImpl::setVolume(F32 volume)
 {
 	mDesiredVolume = volume;
 	
@@ -294,13 +292,13 @@ void LinuxVolumeCatcherImpl::setVolume(F32 volume)
 	pump();
 }
 
-void LinuxVolumeCatcherImpl::pump()
+void VolumeCatcherImpl::pump()
 {
 	gboolean may_block = FALSE;
 	g_main_context_iteration(g_main_context_default(), may_block);
 }
 
-void LinuxVolumeCatcherImpl::connected_okay()
+void VolumeCatcherImpl::connected_okay()
 {
 	pa_operation *op;
 
@@ -324,7 +322,7 @@ void LinuxVolumeCatcherImpl::connected_okay()
 	}
 }
 
-void LinuxVolumeCatcherImpl::update_all_volumes(F32 volume)
+void VolumeCatcherImpl::update_all_volumes(F32 volume)
 {
 	for (std::set<U32>::iterator it = mSinkInputIndices.begin();
 	     it != mSinkInputIndices.end(); ++it)
@@ -333,7 +331,7 @@ void LinuxVolumeCatcherImpl::update_all_volumes(F32 volume)
 	}
 }
 
-void LinuxVolumeCatcherImpl::update_index_volume(U32 index, F32 volume)
+void VolumeCatcherImpl::update_index_volume(U32 index, F32 volume)
 {
 	static pa_cvolume cvol;
 	llpa_cvolume_set(&cvol, mSinkInputNumChannels[index],
@@ -355,7 +353,7 @@ void LinuxVolumeCatcherImpl::update_index_volume(U32 index, F32 volume)
 
 void callback_discovered_sinkinput(pa_context *context, const pa_sink_input_info *sii, int eol, void *userdata)
 {
-	LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata);
+	VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata);
 	llassert(impl);
 
 	if (0 == eol)
@@ -386,7 +384,7 @@ void callback_discovered_sinkinput(pa_context *context, const pa_sink_input_info
 
 void callback_subscription_alert(pa_context *context, pa_subscription_event_type_t t, uint32_t index, void *userdata)
 {
-	LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata);
+	VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata);
 	llassert(impl);
 
 	switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
@@ -420,7 +418,7 @@ void callback_subscription_alert(pa_context *context, pa_subscription_event_type
 
 void callback_context_state(pa_context *context, void *userdata)
 {
-	LinuxVolumeCatcherImpl *impl = dynamic_cast<LinuxVolumeCatcherImpl*>((LinuxVolumeCatcherImpl*)userdata);
+	VolumeCatcherImpl *impl = dynamic_cast<VolumeCatcherImpl*>((VolumeCatcherImpl*)userdata);
 	llassert(impl);
 	
 	switch (llpa_context_get_state(context))
@@ -441,48 +439,30 @@ void callback_context_state(pa_context *context, void *userdata)
 
 /////////////////////////////////////////////////////
 
-LinuxVolumeCatcher::LinuxVolumeCatcher()
+VolumeCatcher::VolumeCatcher()
 {
-	pimpl = new LinuxVolumeCatcherImpl();
+	pimpl = new VolumeCatcherImpl();
 }
 
-LinuxVolumeCatcher::~LinuxVolumeCatcher()
+VolumeCatcher::~VolumeCatcher()
 {
 	delete pimpl;
 	pimpl = NULL;
 }
 
-void LinuxVolumeCatcher::setVolume(F32 volume)
+void VolumeCatcher::setVolume(F32 volume)
 {
 	llassert(pimpl);
 	pimpl->setVolume(volume);
 }
 
-void LinuxVolumeCatcher::pump()
-{
-	llassert(pimpl);
-	pimpl->pump();
-}
-
-#else // !LL_PULSEAUDIO_ENABLED
-
-// stub.
-
-LinuxVolumeCatcher::LinuxVolumeCatcher()
-{
-	pimpl = NULL;
-}
-
-LinuxVolumeCatcher::~LinuxVolumeCatcher()
+void VolumeCatcher::setPan(F32 pan)
 {
+	// TODO: implement this (if possible)
 }
 
-void LinuxVolumeCatcher::setVolume(F32 volume)
-{
-}
-
-void LinuxVolumeCatcher::pump()
+void VolumeCatcher::pump()
 {
+	llassert(pimpl);
+	pimpl->pump();
 }
-
-#endif // LL_PULSEAUDIO_ENABLED
diff --git a/indra/media_plugins/webkit/mac_volume_catcher.cpp b/indra/media_plugins/webkit/mac_volume_catcher.cpp
new file mode 100644
index 0000000000..9788f10a58
--- /dev/null
+++ b/indra/media_plugins/webkit/mac_volume_catcher.cpp
@@ -0,0 +1,273 @@
+/** 
+ * @file dummy_volume_catcher.cpp
+ * @brief A Mac OS X specific hack to control the volume level of all audio channels opened by a process.
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+/**************************************************************************************************************
+	This code works by using CaptureComponent to capture the "Default Output" audio component
+	(kAudioUnitType_Output/kAudioUnitSubType_DefaultOutput) and delegating all calls to the original component.
+	It does this just to keep track of all instances of the default output component, so that it can set the
+	kHALOutputParam_Volume parameter on all of them to adjust the output volume.
+**************************************************************************************************************/
+
+#include "volume_catcher.h"
+
+#include <Carbon/Carbon.h>
+#include <QuickTime/QuickTime.h>
+#include <AudioUnit/AudioUnit.h>
+
+struct VolumeCatcherStorage;
+
+class VolumeCatcherImpl
+{
+public:
+
+	void setVolume(F32 volume);
+	void setPan(F32 pan);
+	
+	void setInstanceVolume(VolumeCatcherStorage *instance);
+	
+	std::list<VolumeCatcherStorage*> mComponentInstances;
+	Component mOriginalDefaultOutput;
+	Component mVolumeAdjuster;
+	
+	static VolumeCatcherImpl *getInstance();
+private:
+	// This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance.
+	VolumeCatcherImpl();
+	static VolumeCatcherImpl *sInstance;
+	
+	// The singlar instance of this class is expected to last until the process exits.
+	// To ensure this, we declare the destructor here but never define it, so any code which attempts to destroy the instance will not link.
+	~VolumeCatcherImpl();	
+	
+	F32 mVolume;
+	F32 mPan;
+};
+
+VolumeCatcherImpl *VolumeCatcherImpl::sInstance = NULL;;
+
+struct VolumeCatcherStorage
+{
+	ComponentInstance self;
+	ComponentInstance delegate;
+};
+
+static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage);
+static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self);
+static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self);
+
+VolumeCatcherImpl *VolumeCatcherImpl::getInstance()
+{
+	if(!sInstance)
+	{
+		sInstance = new VolumeCatcherImpl;
+	}
+	
+	return sInstance;
+}
+
+VolumeCatcherImpl::VolumeCatcherImpl()
+{
+	mVolume = 1.0;	// default to full volume
+	mPan = 0.5;		// and center pan
+		
+	ComponentDescription desc;
+	desc.componentType = kAudioUnitType_Output;
+	desc.componentSubType = kAudioUnitSubType_DefaultOutput;
+	desc.componentManufacturer = kAudioUnitManufacturer_Apple;
+	desc.componentFlags = 0;
+	desc.componentFlagsMask = 0;
+	
+	// Find the original default output component
+	mOriginalDefaultOutput = FindNextComponent(NULL, &desc);
+
+	// Register our own output component with the same parameters
+	mVolumeAdjuster = RegisterComponent(&desc, NewComponentRoutineUPP(volume_catcher_component_entry), 0, NULL, NULL, NULL);
+
+	// Capture the original component, so we always get found instead.
+	CaptureComponent(mOriginalDefaultOutput, mVolumeAdjuster);
+
+}
+
+static ComponentResult volume_catcher_component_entry(ComponentParameters *cp, Handle componentStorage)
+{
+	ComponentResult result = badComponentSelector;
+	VolumeCatcherStorage *storage = (VolumeCatcherStorage*)componentStorage;
+	
+	switch(cp->what)
+	{
+		case kComponentOpenSelect:
+//			std::cerr << "kComponentOpenSelect" << std::endl;
+			result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_open, uppCallComponentOpenProcInfo);
+		break;
+
+		case kComponentCloseSelect:
+//			std::cerr << "kComponentCloseSelect" << std::endl;
+			result = CallComponentFunctionWithStorageProcInfo((Handle)storage, cp, (ProcPtr)volume_catcher_component_close, uppCallComponentCloseProcInfo);
+			// CallComponentFunctionWithStorageProcInfo
+		break;
+		
+		default:
+//			std::cerr << "Delegating selector: " << cp->what << " to component instance " << storage->delegate << std::endl;
+			result = DelegateComponentCall(cp, storage->delegate);
+		break;
+	}
+	
+	return result;
+}
+
+static ComponentResult volume_catcher_component_open(VolumeCatcherStorage *storage, ComponentInstance self)
+{
+	ComponentResult result = noErr;
+	VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance();	
+	
+	storage = new VolumeCatcherStorage;
+
+	storage->self = self;
+	storage->delegate = NULL;
+
+	result = OpenAComponent(impl->mOriginalDefaultOutput, &(storage->delegate));
+	
+	if(result != noErr)
+	{
+//		std::cerr << "OpenAComponent result = " << result << ", component ref = " << storage->delegate << std::endl;
+		
+		// If we failed to open the delagate component, our open is going to fail.  Clean things up.
+		delete storage;
+	}
+	else
+	{
+		// Success -- set up this component's storage
+		SetComponentInstanceStorage(self, (Handle)storage);
+
+		// add this instance to the global list
+		impl->mComponentInstances.push_back(storage);	
+		
+		// and set up the initial volume
+		impl->setInstanceVolume(storage);
+	}
+
+	return result;
+}
+
+static ComponentResult volume_catcher_component_close(VolumeCatcherStorage *storage, ComponentInstance self)
+{
+	ComponentResult result = noErr;
+	
+	if(storage)
+	{
+		if(storage->delegate)
+		{
+			CloseComponent(storage->delegate);
+			storage->delegate = NULL;
+		}
+		
+		VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance();	
+		impl->mComponentInstances.remove(storage);
+		delete[] storage;
+	}
+		
+	return result;
+}
+
+void VolumeCatcherImpl::setVolume(F32 volume)
+{
+	VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance();	
+	impl->mVolume = volume;
+	
+	// Iterate through all known instances, setting the volume on each.
+	for(std::list<VolumeCatcherStorage*>::iterator iter = mComponentInstances.begin(); iter != mComponentInstances.end(); ++iter)
+	{
+		impl->setInstanceVolume(*iter);
+	}
+}
+
+void VolumeCatcherImpl::setPan(F32 pan)
+{
+	VolumeCatcherImpl *impl = VolumeCatcherImpl::getInstance();	
+	impl->mPan = pan;
+	
+	// TODO: implement this.
+	// This will probably require adding a "panner" audio unit to the chain somehow.
+	// There's also a "3d mixer" component that we might be able to use...
+}
+
+void VolumeCatcherImpl::setInstanceVolume(VolumeCatcherStorage *instance)
+{
+//	std::cerr << "Setting volume on component instance: " << (instance->delegate) << " to " << mVolume << std::endl;
+	
+	OSStatus err = noErr;
+	
+	if(instance && instance->delegate)
+	{
+		err = AudioUnitSetParameter(
+				instance->delegate, 
+				kHALOutputParam_Volume, 
+				kAudioUnitScope_Global,
+				0, 
+				mVolume, 
+				0);
+	}
+	
+	if(err)
+	{
+//		std::cerr << "    AudioUnitSetParameter returned " << err << std::endl;
+	}
+}
+
+/////////////////////////////////////////////////////
+
+VolumeCatcher::VolumeCatcher()
+{
+	pimpl = VolumeCatcherImpl::getInstance();
+}
+
+VolumeCatcher::~VolumeCatcher()
+{
+	// Let the instance persist until exit.
+}
+
+void VolumeCatcher::setVolume(F32 volume)
+{
+	pimpl->setVolume(volume);
+}
+
+void VolumeCatcher::setPan(F32 pan)
+{
+	pimpl->setPan(pan);
+}
+
+void VolumeCatcher::pump()
+{
+	// No periodic tasks are necessary for this implementation.
+}
+
diff --git a/indra/media_plugins/webkit/media_plugin_webkit.cpp b/indra/media_plugins/webkit/media_plugin_webkit.cpp
index 5260636e11..47766a24cb 100644
--- a/indra/media_plugins/webkit/media_plugin_webkit.cpp
+++ b/indra/media_plugins/webkit/media_plugin_webkit.cpp
@@ -50,9 +50,7 @@
 # define LL_QTWEBKIT_USES_PIXMAPS 0
 #endif // LL_LINUX
 
-#if LL_LINUX
-# include "linux_volume_catcher.h"
-#endif // LL_LINUX
+# include "volume_catcher.h"
 
 #if LL_WINDOWS
 # include <direct.h>
@@ -119,9 +117,7 @@ private:
 	F32 mBackgroundG;
 	F32 mBackgroundB;
 	
-#if LL_LINUX
-	LinuxVolumeCatcher mLinuxVolumeCatcher;
-#endif // LL_LINUX
+	VolumeCatcher mVolumeCatcher;
 
 	void setInitState(int state)
 	{
@@ -135,9 +131,7 @@ private:
 	{
 		LLQtWebKit::getInstance()->pump( milliseconds );
 		
-#if LL_LINUX
-		mLinuxVolumeCatcher.pump();
-#endif // LL_LINUX
+		mVolumeCatcher.pump();
 
 		checkEditState();
 		
@@ -508,6 +502,19 @@ private:
 		sendMessage(message);
 	}
 	
+
+	////////////////////////////////////////////////////////////////////////////////
+	// virtual
+	void onCookieChanged(const EventType& event)
+	{
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "cookie_set");
+		message.setValue("cookie", event.getStringValue());
+		// These could be passed through as well, but aren't really needed.
+//		message.setValue("uri", event.getEventUri());
+//		message.setValueBoolean("dead", (event.getIntValue() != 0))
+		sendMessage(message);
+	}
+	
 	LLQtWebKit::EKeyboardModifier decodeModifiers(std::string &modifiers)
 	{
 		int result = 0;
@@ -1053,6 +1060,10 @@ void MediaPluginWebKit::receiveMessage(const char *message_string)
 				mJavascriptEnabled = message_in.getValueBoolean("enable");
 				//LLQtWebKit::getInstance()->enableJavascript( mJavascriptEnabled );
 			}
+			else if(message_name == "set_cookies")
+			{
+				LLQtWebKit::getInstance()->setCookies(message_in.getValue("cookies"));
+			}
 			else if(message_name == "proxy_setup")
 			{
 				bool val = message_in.getValueBoolean("enable");
@@ -1122,9 +1133,7 @@ void MediaPluginWebKit::receiveMessage(const char *message_string)
 
 void MediaPluginWebKit::setVolume(F32 volume)
 {
-#if LL_LINUX
-	mLinuxVolumeCatcher.setVolume(volume);
-#endif // LL_LINUX
+	mVolumeCatcher.setVolume(volume);
 }
 
 int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data)
diff --git a/indra/media_plugins/webkit/volume_catcher.h b/indra/media_plugins/webkit/volume_catcher.h
new file mode 100644
index 0000000000..77b10cfed0
--- /dev/null
+++ b/indra/media_plugins/webkit/volume_catcher.h
@@ -0,0 +1,59 @@
+/** 
+ * @file volume_catcher.h
+ * @brief Interface to a class with platform-specific implementations that allows control of the audio volume of all sources in the current process.
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+#ifndef VOLUME_CATCHER_H
+#define VOLUME_CATCHER_H
+
+#include "linden_common.h"
+
+class VolumeCatcherImpl;
+
+class VolumeCatcher
+{
+ public:
+	VolumeCatcher();
+	~VolumeCatcher();
+
+	void setVolume(F32 volume); // 0.0 - 1.0
+	
+	// Set the left-right pan of audio sources
+	// where -1.0 = left, 0 = center, and 1.0 = right
+	void setPan(F32 pan); 
+
+	void pump(); // call this at least a few times a second if you can - it affects how quickly we can 'catch' a new audio source and adjust its volume
+	
+ private:
+	VolumeCatcherImpl *pimpl;
+};
+
+#endif // VOLUME_CATCHER_H
diff --git a/indra/media_plugins/webkit/windows_volume_catcher.cpp b/indra/media_plugins/webkit/windows_volume_catcher.cpp
new file mode 100644
index 0000000000..8debe8fac6
--- /dev/null
+++ b/indra/media_plugins/webkit/windows_volume_catcher.cpp
@@ -0,0 +1,325 @@
+/** 
+ * @file windows_volume_catcher.cpp
+ * @brief A Windows implementation of volume level control of all audio channels opened by a process.
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewergpl$
+ *
+ * Copyright (c) 2010, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+#include "volume_catcher.h"
+#include <windows.h>
+
+//
+// Abstracts a Win32 mixer line and associated state
+// for muting and changing volume on a given output
+//
+class Mixer
+{
+public:
+	static Mixer* create(U32 index);
+	~Mixer();
+
+	void setMute(bool mute);
+	void setVolume(F32 volume_left, F32 volume_right);
+
+private:
+	// use create(index) to create a Mixer
+	Mixer(HMIXER handle, U32 mute_control_id, U32 volume_control_id, U32 min_volume, U32 max_volume);
+
+	HMIXER	mHandle;		
+	U32		mMuteControlID;		// handle to mixer controller for muting
+	U32		mVolumeControlID;	// handle to mixer controller for changing volume
+	U32		mMinVolume;			// value that specifies minimum volume as reported by mixer
+	U32		mMaxVolume;			// value that specifies maximum volume as reported by mixer
+};
+
+// factory function that attempts to create a Mixer object associated with a given mixer line index
+// returns NULL if creation failed
+// static 
+Mixer* Mixer::create(U32 index)
+{
+	// get handle to mixer object
+	HMIXER mixer_handle;
+	MMRESULT result = mixerOpen( &mixer_handle,
+							index,	
+							0,	// HWND to call when state changes - not used
+							0,	// user data for callback - not used
+							MIXER_OBJECTF_MIXER );
+
+	if (result == MMSYSERR_NOERROR)
+	{
+		MIXERLINE mixer_line;
+		mixer_line.cbStruct = sizeof( MIXERLINE );
+
+		// try speakers first
+		mixer_line.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
+
+		MMRESULT result = mixerGetLineInfo( reinterpret_cast< HMIXEROBJ >( mixer_handle ),
+								&mixer_line,
+								MIXER_OBJECTF_HMIXER | MIXER_GETLINEINFOF_COMPONENTTYPE );
+		if (result != MMSYSERR_NOERROR)
+		{	// failed - try headphones next
+			mixer_line.dwComponentType = MIXERLINE_COMPONENTTYPE_DST_HEADPHONES;
+			result = mixerGetLineInfo( reinterpret_cast< HMIXEROBJ >( mixer_handle ),
+									&mixer_line,
+									MIXER_OBJECTF_HMIXER | MIXER_GETLINEINFOF_COMPONENTTYPE );
+		}
+
+		if (result == MMSYSERR_NOERROR)
+		{	// successfully found mixer line object, now use it to get volume and mute controls
+
+			// reuse these objects to query for both volume and mute controls
+			MIXERCONTROL mixer_control;
+			MIXERLINECONTROLS mixer_line_controls;
+			mixer_line_controls.cbStruct = sizeof( MIXERLINECONTROLS );
+			mixer_line_controls.dwLineID = mixer_line.dwLineID;
+			mixer_line_controls.cControls = 1;
+			mixer_line_controls.cbmxctrl = sizeof( MIXERCONTROL );
+			mixer_line_controls.pamxctrl = &mixer_control;
+
+			// first, query for mute
+			mixer_line_controls.dwControlType = MIXERCONTROL_CONTROLTYPE_MUTE;
+
+			// get control id for mute controls
+			result = mixerGetLineControls( reinterpret_cast< HMIXEROBJ >( mixer_handle ),
+				&mixer_line_controls,
+				MIXER_OBJECTF_HMIXER | MIXER_GETLINECONTROLSF_ONEBYTYPE );
+			if (result == MMSYSERR_NOERROR )
+			{	// we have a mute controls.  Remember the mute control id and then query for 
+				// volume controls using the same struct, but different dwControlType
+
+				U32 mute_control_id = mixer_control.dwControlID;
+				mixer_line_controls.dwControlType = MIXERCONTROL_CONTROLTYPE_VOLUME;
+				result = mixerGetLineControls( reinterpret_cast< HMIXEROBJ >( mixer_handle ),
+					&mixer_line_controls,
+					MIXER_OBJECTF_HMIXER | MIXER_GETLINECONTROLSF_ONEBYTYPE );
+
+				if (result == MMSYSERR_NOERROR)
+				{	// we have both mute and volume controls for this mixer, so we're keeping it
+					return new Mixer(mixer_handle, 
+								mute_control_id, 
+								mixer_control.dwControlID, 
+								mixer_control.Bounds.dwMinimum, 
+								mixer_control.Bounds.dwMaximum);
+				}
+			}
+		}
+	}
+
+	// if we got here, we didn't successfully create a Mixer object
+	mixerClose(mixer_handle);
+	return NULL;
+}
+
+Mixer::Mixer(HMIXER handle, U32 mute_control_id, U32 volume_control_id, U32 min_volume, U32 max_volume)
+:	mHandle(handle),
+	mMuteControlID(mute_control_id),
+	mVolumeControlID(volume_control_id),
+	mMinVolume(min_volume),
+	mMaxVolume(max_volume)
+{}
+
+Mixer::~Mixer()
+{}
+
+// toggle mute for this mixer
+// if mute is set, then volume level will be ignored
+void Mixer::setMute(bool mute)
+{
+	MIXERCONTROLDETAILS_BOOLEAN mixer_control_details_bool = { mute };
+	MIXERCONTROLDETAILS mixer_control_details;
+	mixer_control_details.cbStruct = sizeof( MIXERCONTROLDETAILS );
+	mixer_control_details.dwControlID = mMuteControlID;
+	mixer_control_details.cChannels = 1;
+	mixer_control_details.cMultipleItems = 0;
+	mixer_control_details.cbDetails = sizeof( MIXERCONTROLDETAILS_BOOLEAN );
+	mixer_control_details.paDetails = &mixer_control_details_bool;
+
+	mixerSetControlDetails( reinterpret_cast< HMIXEROBJ >( mHandle ),
+								 &mixer_control_details,
+								 MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE );
+}
+
+// set individual volume levels for left and right channels
+// if mute is set, then these values will apply once mute is unset
+void Mixer::setVolume(F32 volume_left, F32 volume_right)
+{
+	// assuming pan is in range [-1, 1] set volume levels accordingly
+	// if pan == -1 then	volume_left_mixer = volume_left	&& volume_right_mixer = 0
+	// if pan == 0 then		volume_left_mixer = volume_left	&& volume_right_mixer = volume_right
+	// if pan == 1 then		volume_left_mixer = 0			&& volume_right_mixer = volume_right
+	U32 volume_left_mixer = (U32)
+							((F32)mMinVolume 
+								+ (volume_left * ((F32)mMaxVolume - (F32)mMinVolume)));
+	U32 volume_right_mixer = (U32)
+							((F32)mMinVolume 
+								+ (volume_right * ((F32)mMaxVolume - (F32)mMinVolume)));
+
+	// pass volume levels on to mixer
+	MIXERCONTROLDETAILS_UNSIGNED mixer_control_details_unsigned[ 2 ] = { volume_left_mixer, volume_right_mixer };
+	MIXERCONTROLDETAILS mixer_control_details;
+	mixer_control_details.cbStruct = sizeof( MIXERCONTROLDETAILS );
+	mixer_control_details.dwControlID = mVolumeControlID;
+	mixer_control_details.cChannels = 2;
+	mixer_control_details.cMultipleItems = 0;
+	mixer_control_details.cbDetails = sizeof( MIXERCONTROLDETAILS_UNSIGNED );
+	mixer_control_details.paDetails = &mixer_control_details_unsigned;
+
+	mixerSetControlDetails( reinterpret_cast< HMIXEROBJ >( mHandle ),
+								 &mixer_control_details,
+								 MIXER_OBJECTF_HMIXER | MIXER_SETCONTROLDETAILSF_VALUE );
+}
+
+class VolumeCatcherImpl
+{
+public:
+
+	void setVolume(F32 volume);
+	void setPan(F32 pan);
+	
+	static VolumeCatcherImpl *getInstance();
+private:
+	// This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance.
+	VolumeCatcherImpl();
+	~VolumeCatcherImpl();
+
+	static VolumeCatcherImpl *sInstance;
+	
+	F32 	mVolume;
+	F32 	mPan;
+	typedef std::vector<Mixer*> mixer_vector_t;
+	mixer_vector_t	mMixers;
+};
+
+VolumeCatcherImpl *VolumeCatcherImpl::sInstance = NULL;
+
+VolumeCatcherImpl *VolumeCatcherImpl::getInstance()
+{
+	if(!sInstance)
+	{
+		sInstance = new VolumeCatcherImpl;
+	}
+	
+	return sInstance;
+}
+
+VolumeCatcherImpl::VolumeCatcherImpl()
+:	mVolume(1.0f),	// default volume is max
+	mPan(0.f)		// default pan is centered
+{
+	OSVERSIONINFOEX	V = {sizeof(OSVERSIONINFOEX)};	//EX for NT 5.0 and later
+
+	::GetVersionEx((POSVERSIONINFO)&V);
+
+	// disable volume on XP and below
+	if (V.dwPlatformId == VER_PLATFORM_WIN32_NT && V.dwMajorVersion >= 6)
+	{
+		// for each reported mixer "device", create a proxy object and add to list
+		U32 num_mixers = mixerGetNumDevs();
+		for (U32 mixer_index = 0; mixer_index < num_mixers; ++mixer_index)
+		{
+			Mixer* mixerp = Mixer::create(mixer_index);
+			if (mixerp)
+			{
+				mMixers.push_back(mixerp);
+			}
+		}
+	}
+}
+
+VolumeCatcherImpl::~VolumeCatcherImpl()
+{
+	for(mixer_vector_t::iterator it = mMixers.begin(), end_it = mMixers.end();
+		it != end_it;
+		++it)
+	{
+		delete *it;
+		*it = NULL;
+	}
+}
+
+
+void VolumeCatcherImpl::setVolume(F32 volume)
+{
+	F32 left_volume = volume * min(1.f, 1.f - mPan);
+	F32 right_volume = volume * max(0.f, 1.f + mPan);
+	
+	for(mixer_vector_t::iterator it = mMixers.begin(), end_it = mMixers.end();
+		it != end_it;
+		++it)
+	{	// set volume levels and mute for each mixer
+		// note that a muted mixer will ignore this volume level
+
+		(*it)->setVolume(left_volume, right_volume);
+		
+		if (volume == 0.f && mVolume != 0.f)
+		{
+			(*it)->setMute(true);
+		}
+		else if (mVolume == 0.f && volume != 0.f)
+		{
+			(*it)->setMute(false);
+		}
+
+	}
+
+	mVolume = volume;
+}
+
+void VolumeCatcherImpl::setPan(F32 pan)
+{	// remember pan for calculating individual channel levels later
+	mPan = pan;
+}
+
+/////////////////////////////////////////////////////
+
+VolumeCatcher::VolumeCatcher()
+{
+	pimpl = VolumeCatcherImpl::getInstance();
+}
+
+VolumeCatcher::~VolumeCatcher()
+{
+	// Let the instance persist until exit.
+}
+
+void VolumeCatcher::setVolume(F32 volume)
+{
+	pimpl->setVolume(volume);
+}
+
+void VolumeCatcher::setPan(F32 pan)
+{
+	pimpl->setPan(pan);
+}
+
+void VolumeCatcher::pump()
+{
+	// No periodic tasks are necessary for this implementation.
+}
+