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diff --git a/indra/newview/llfloatervoicedevicesettings.cpp b/indra/newview/llfloatervoicedevicesettings.cpp
new file mode 100644
index 0000000000..699f89c944
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+++ b/indra/newview/llfloatervoicedevicesettings.cpp
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+/** 
+ * @file llfloatervoicedevicesettings.cpp
+ * @author Richard Nelson
+ * @brief Voice communication set-up 
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ * 
+ * Copyright (c) 2007, 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.
+ * $/LicenseInfo$
+ */
+ 
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloatervoicedevicesettings.h"
+
+// Viewer includes
+#include "llagent.h"
+#include "llbutton.h"
+#include "llcombobox.h"
+#include "llfocusmgr.h"
+#include "lliconctrl.h"
+#include "llprefsvoice.h"
+#include "llsliderctrl.h"
+#include "llviewercontrol.h"
+#include "llvoiceclient.h"
+#include "llimpanel.h"
+
+// Library includes (after viewer)
+#include "lluictrlfactory.h"
+
+
+LLPanelVoiceDeviceSettings::LLPanelVoiceDeviceSettings()
+{
+	mCtrlInputDevices = NULL;
+	mCtrlOutputDevices = NULL;
+	mInputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
+	mOutputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
+	mDevicesUpdated = FALSE;
+
+	// grab "live" mic volume level
+	mMicVolume = gSavedSettings.getF32("AudioLevelMic");
+
+	// ask for new device enumeration
+	// now do this in onOpen() instead...
+	//gVoiceClient->refreshDeviceLists();
+}
+
+LLPanelVoiceDeviceSettings::~LLPanelVoiceDeviceSettings()
+{
+}
+
+BOOL LLPanelVoiceDeviceSettings::postBuild()
+{
+	LLSlider* volume_slider = getChild<LLSlider>("mic_volume_slider");
+	// set mic volume tuning slider based on last mic volume setting
+	volume_slider->setValue(mMicVolume);
+
+	childSetCommitCallback("voice_input_device", onCommitInputDevice, this);
+	childSetCommitCallback("voice_output_device", onCommitOutputDevice, this);
+	
+	return TRUE;
+}
+
+void LLPanelVoiceDeviceSettings::draw()
+{
+	// let user know that volume indicator is not yet available
+	childSetVisible("wait_text", !gVoiceClient->inTuningMode());
+
+	LLPanel::draw();
+
+	F32 voice_power = gVoiceClient->tuningGetEnergy();
+	S32 discrete_power = 0;
+
+	if (!gVoiceClient->inTuningMode())
+	{
+		discrete_power = 0;
+	}
+	else
+	{
+		discrete_power = llmin(4, llfloor((voice_power / LLVoiceClient::OVERDRIVEN_POWER_LEVEL) * 4.f));
+	}
+	
+	if (gVoiceClient->inTuningMode())
+	{
+		for(S32 power_bar_idx = 0; power_bar_idx < 5; power_bar_idx++)
+		{
+			LLString view_name = llformat("%s%d", "bar", power_bar_idx);
+			LLView* bar_view = getChild<LLView>(view_name);
+			if (bar_view)
+			{
+				if (power_bar_idx < discrete_power)
+				{
+					LLColor4 color = (power_bar_idx >= 3) ? gSavedSettings.getColor4("OverdrivenColor") : gSavedSettings.getColor4("SpeakingColor");
+					gl_rect_2d(bar_view->getRect(), color, TRUE);
+				}
+				gl_rect_2d(bar_view->getRect(), LLColor4::grey, FALSE);
+			}
+		}
+	}
+}
+
+void LLPanelVoiceDeviceSettings::apply()
+{
+	std::string s;
+	if(mCtrlInputDevices)
+	{
+		s = mCtrlInputDevices->getSimple();
+		gSavedSettings.setString("VoiceInputAudioDevice", s);
+	}
+
+	if(mCtrlOutputDevices)
+	{
+		s = mCtrlOutputDevices->getSimple();
+		gSavedSettings.setString("VoiceOutputAudioDevice", s);
+	}
+
+	// assume we are being destroyed by closing our embedding window
+	gSavedSettings.setF32("AudioLevelMic", mMicVolume);
+}
+
+void LLPanelVoiceDeviceSettings::cancel()
+{
+	gSavedSettings.setString("VoiceInputAudioDevice", mInputDevice);
+	gSavedSettings.setString("VoiceOutputAudioDevice", mOutputDevice);
+
+	if(mCtrlInputDevices)
+		mCtrlInputDevices->setSimple(mInputDevice);
+
+	if(mCtrlOutputDevices)
+		mCtrlOutputDevices->setSimple(mOutputDevice);
+}
+
+void LLPanelVoiceDeviceSettings::refresh()
+{
+	//grab current volume
+	LLSlider* volume_slider = getChild<LLSlider>("mic_volume_slider");
+	// set mic volume tuning slider based on last mic volume setting
+	mMicVolume = (F32)volume_slider->getValue().asReal();
+	gVoiceClient->tuningSetMicVolume(mMicVolume);
+
+	// Fill in popup menus
+	mCtrlInputDevices = getChild<LLComboBox>("voice_input_device");
+	mCtrlOutputDevices = getChild<LLComboBox>("voice_output_device");
+
+	if(!gVoiceClient->deviceSettingsAvailable())
+	{
+		// The combo boxes are disabled, since we can't get the device settings from the daemon just now.
+		// Put the currently set default (ONLY) in the box, and select it.
+		if(mCtrlInputDevices)
+		{
+			mCtrlInputDevices->removeall();
+			mCtrlInputDevices->add( mInputDevice, ADD_BOTTOM );
+			mCtrlInputDevices->setSimple(mInputDevice);
+		}
+		if(mCtrlOutputDevices)
+		{
+			mCtrlOutputDevices->removeall();
+			mCtrlOutputDevices->add( mOutputDevice, ADD_BOTTOM );
+			mCtrlOutputDevices->setSimple(mOutputDevice);
+		}
+	}
+	else if (!mDevicesUpdated)
+	{
+		LLVoiceClient::deviceList *devices;
+		
+		LLVoiceClient::deviceList::iterator iter;
+		
+		if(mCtrlInputDevices)
+		{
+			mCtrlInputDevices->removeall();
+			mCtrlInputDevices->add( getString("default_text"), ADD_BOTTOM );
+
+			devices = gVoiceClient->getCaptureDevices();
+			for(iter=devices->begin(); iter != devices->end(); iter++)
+			{
+				mCtrlInputDevices->add( *iter, ADD_BOTTOM );
+			}
+
+			if(!mCtrlInputDevices->setSimple(mInputDevice))
+			{
+				mCtrlInputDevices->setSimple(getString("default_text"));
+			}
+		}
+		
+		if(mCtrlOutputDevices)
+		{
+			mCtrlOutputDevices->removeall();
+			mCtrlOutputDevices->add( getString("default_text"), ADD_BOTTOM );
+
+			devices = gVoiceClient->getRenderDevices();
+			for(iter=devices->begin(); iter != devices->end(); iter++)
+			{
+				mCtrlOutputDevices->add( *iter, ADD_BOTTOM );
+			}
+
+			if(!mCtrlOutputDevices->setSimple(mOutputDevice))
+			{
+				mCtrlOutputDevices->setSimple(getString("default_text"));
+			}
+		}
+		mDevicesUpdated = TRUE;
+	}	
+}
+
+void LLPanelVoiceDeviceSettings::onOpen()
+{
+	mInputDevice = gSavedSettings.getString("VoiceInputAudioDevice");
+	mOutputDevice = gSavedSettings.getString("VoiceOutputAudioDevice");
+	mMicVolume = gSavedSettings.getF32("AudioLevelMic");
+	mDevicesUpdated = FALSE;
+
+	// ask for new device enumeration
+	gVoiceClient->refreshDeviceLists();
+
+	// put voice client in "tuning" mode
+	gVoiceClient->tuningStart();
+	LLVoiceChannel::suspend();
+}
+
+void LLPanelVoiceDeviceSettings::onClose(bool app_quitting)
+{
+	gVoiceClient->tuningStop();
+	LLVoiceChannel::resume();
+}
+
+// static
+void LLPanelVoiceDeviceSettings::onCommitInputDevice(LLUICtrl* ctrl, void* user_data)
+{
+	gSavedSettings.setString("VoiceInputAudioDevice", ctrl->getValue().asString());
+}
+
+// static
+void LLPanelVoiceDeviceSettings::onCommitOutputDevice(LLUICtrl* ctrl, void* user_data)
+{
+	gSavedSettings.setString("VoiceOutputAudioDevice", ctrl->getValue().asString());
+}
+
+//
+// LLFloaterVoiceDeviceSettings
+//
+
+LLFloaterVoiceDeviceSettings::LLFloaterVoiceDeviceSettings(const LLSD& seed) : LLFloater("floater_device_settings"), mDevicePanel(NULL)
+{
+	mFactoryMap["device_settings"] = LLCallbackMap(createPanelVoiceDeviceSettings, this);
+	// do not automatically open singleton floaters (as result of getInstance())
+	BOOL no_open = FALSE;
+	LLUICtrlFactory::getInstance()->buildFloater(this, "floater_device_settings.xml", &mFactoryMap, no_open);
+	center();
+}
+
+void LLFloaterVoiceDeviceSettings::onOpen()
+{
+	if(mDevicePanel)
+	{
+		mDevicePanel->onOpen();
+	}
+
+	LLFloater::onOpen();
+}
+
+void LLFloaterVoiceDeviceSettings::onClose(bool app_quitting)
+{
+	if(mDevicePanel)
+	{
+		mDevicePanel->onClose(app_quitting);
+	}
+
+	setVisible(FALSE);
+}
+
+void LLFloaterVoiceDeviceSettings::apply()
+{
+	if (mDevicePanel)
+	{
+		mDevicePanel->apply();
+	}
+}
+
+void LLFloaterVoiceDeviceSettings::cancel()
+{
+	if (mDevicePanel)
+	{
+		mDevicePanel->cancel();
+	}
+}
+
+void LLFloaterVoiceDeviceSettings::draw()
+{
+	if (mDevicePanel)
+	{
+		mDevicePanel->refresh();
+	}
+	LLFloater::draw();
+}
+
+// static
+void* LLFloaterVoiceDeviceSettings::createPanelVoiceDeviceSettings(void* user_data)
+{
+	LLFloaterVoiceDeviceSettings* floaterp = (LLFloaterVoiceDeviceSettings*)user_data;
+	floaterp->mDevicePanel = new LLPanelVoiceDeviceSettings();
+	return floaterp->mDevicePanel;
+}