Merged in lindenlab/viewer-bear

34 files changed, 842 insertions, 671 deletions

diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index d1924126ec..905f870a56 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -1757,6 +1757,7 @@ if (WINDOWS)
       SLPlugin
       media_plugin_quicktime
       media_plugin_cef
+      media_plugin_libvlc
       winmm_shim
       windows-crash-logger
       )
@@ -1972,6 +1973,7 @@ if (LINUX)
     linux-crash-logger
     SLPlugin
     media_plugin_gstreamer010
+    media_plugin_libvlc
     llcommon
     )
 
@@ -2079,7 +2081,7 @@ if (DARWIN)
       ${CMAKE_CURRENT_SOURCE_DIR}/viewer_manifest.py
     )
 
-  add_dependencies(${VIEWER_BINARY_NAME} SLPlugin media_plugin_quicktime media_plugin_cef mac-crash-logger)
+  add_dependencies(${VIEWER_BINARY_NAME} SLPlugin media_plugin_quicktime media_plugin_libvlc media_plugin_cef mac-crash-logger)
   add_dependencies(${VIEWER_BINARY_NAME} mac-crash-logger)
 
   if (ENABLE_SIGNING)
diff --git a/indra/newview/VIEWER_VERSION.txt b/indra/newview/VIEWER_VERSION.txt
index 7919852fe1..4d0dcda01c 100644
--- a/indra/newview/VIEWER_VERSION.txt
+++ b/indra/newview/VIEWER_VERSION.txt
@@ -1 +1 @@
-4.0.9
+4.1.2
diff --git a/indra/newview/llaccountingcostmanager.cpp b/indra/newview/llaccountingcostmanager.cpp
index 92a5413adb..1dddf52961 100644
--- a/indra/newview/llaccountingcostmanager.cpp
+++ b/indra/newview/llaccountingcostmanager.cpp
@@ -31,6 +31,8 @@
 #include "llcoros.h"
 #include "lleventcoro.h"
 #include "llcorehttputil.h"
+#include "llexception.h"
+#include "stringize.h"
 #include <algorithm>
 #include <iterator>
 
@@ -154,13 +156,11 @@ void LLAccountingCostManager::accountingCostCoro(std::string url,
         } while (false);
 
     }
-    catch (std::exception e)
-    {
-        LL_WARNS() << "Caught exception '" << e.what() << "'" << LL_ENDL;
-    }
     catch (...)
     {
-        LL_WARNS() << "Caught unknown exception." << LL_ENDL;
+        LOG_UNHANDLED_EXCEPTION(STRINGIZE("coroutine " << LLCoros::instance().getName()
+                                          << "('" << url << "')"));
+        throw;
     }
 
     mPendingObjectQuota.clear();
diff --git a/indra/newview/llappcorehttp.cpp b/indra/newview/llappcorehttp.cpp
index 49291ea564..c1f898284a 100644
--- a/indra/newview/llappcorehttp.cpp
+++ b/indra/newview/llappcorehttp.cpp
@@ -30,6 +30,8 @@
 
 #include "llappviewer.h"
 #include "llviewercontrol.h"
+#include "llexception.h"
+#include "stringize.h"
 
 #include <openssl/x509_vfy.h>
 #include <openssl/ssl.h>
@@ -534,7 +536,7 @@ LLCore::HttpStatus LLAppCoreHttp::sslVerify(const std::string &url,
 		// somewhat clumsy, as we may run into errors that do not map directly to curl
 		// error codes.  Should be refactored with login refactoring, perhaps.
 		result = LLCore::HttpStatus(LLCore::HttpStatus::EXT_CURL_EASY, CURLE_SSL_CACERT);
-		result.setMessage(cert_exception.getMessage());
+		result.setMessage(cert_exception.what());
 		LLPointer<LLCertificate> cert = cert_exception.getCert();
 		cert->ref(); // adding an extra ref here
 		result.setErrorData(cert.get());
@@ -544,13 +546,14 @@ LLCore::HttpStatus LLAppCoreHttp::sslVerify(const std::string &url,
 	catch (LLCertException &cert_exception)
 	{
 		result = LLCore::HttpStatus(LLCore::HttpStatus::EXT_CURL_EASY, CURLE_SSL_PEER_CERTIFICATE);
-		result.setMessage(cert_exception.getMessage());
+		result.setMessage(cert_exception.what());
 		LLPointer<LLCertificate> cert = cert_exception.getCert();
 		cert->ref(); // adding an extra ref here
 		result.setErrorData(cert.get());
 	}
 	catch (...)
 	{
+		LOG_UNHANDLED_EXCEPTION(STRINGIZE("('" << url << "')"));
 		// any other odd error, we just handle as a connect error.
 		result = LLCore::HttpStatus(LLCore::HttpStatus::EXT_CURL_EASY, CURLE_SSL_CONNECT_ERROR);
 	}
diff --git a/indra/newview/llappdelegate-objc.mm b/indra/newview/llappdelegate-objc.mm
index 549df80fa1..be8877328d 100644
--- a/indra/newview/llappdelegate-objc.mm
+++ b/indra/newview/llappdelegate-objc.mm
@@ -48,16 +48,19 @@
 - (void) applicationDidFinishLaunching:(NSNotification *)notification
 {
 	frameTimer = nil;
-	
+
 	[self languageUpdated];
-	
+
 	if (initViewer())
 	{
-		frameTimer = [NSTimer scheduledTimerWithTimeInterval:0.0 target:self selector:@selector(mainLoop) userInfo:nil repeats:YES];
+		// Set up recurring calls to oneFrame (repeating timer with timeout 0)
+		// until applicationShouldTerminate.
+		frameTimer = [NSTimer scheduledTimerWithTimeInterval:0.0 target:self
+							  selector:@selector(oneFrame) userInfo:nil repeats:YES];
 	} else {
 		handleQuit();
 	}
-	
+
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(languageUpdated) name:@"NSTextInputContextKeyboardSelectionDidChangeNotification" object:nil];
 
  //   [[NSAppleEventManager sharedAppleEventManager] setEventHandler:self andSelector:@selector(handleGetURLEvent:withReplyEvent:) forEventClass:kInternetEventClass andEventID:kAEGetURL];
@@ -96,22 +99,29 @@
 
 - (NSApplicationDelegateReply) applicationShouldTerminate:(NSApplication *)sender
 {
-	if (!runMainLoop())
+	// run one frame to assess state
+	if (!pumpMainLoop())
 	{
+		// pumpMainLoop() returns true when done, false if it wants to be
+		// called again. Since it returned false, do not yet cancel
+		// frameTimer.
 		handleQuit();
 		return NSTerminateCancel;
 	} else {
+		// pumpMainLoop() returned true: it's done. Okay, done with frameTimer.
 		[frameTimer release];
 		cleanupViewer();
 		return NSTerminateNow;
 	}
 }
 
-- (void) mainLoop
+- (void) oneFrame
 {
-	bool appExiting = runMainLoop();
+	bool appExiting = pumpMainLoop();
 	if (appExiting)
 	{
+		// Once pumpMainLoop() reports that we're done, cancel frameTimer:
+		// stop the repetitive calls.
 		[frameTimer release];
 		[[NSApplication sharedApplication] terminate:self];
 	}
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 7d1e6393ea..b0829a3da1 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -122,15 +122,20 @@
 #include "llleap.h"
 #include "stringize.h"
 #include "llcoros.h"
+#include "llexception.h"
 #if !LL_LINUX
 #include "cef/llceflib.h"
-#endif
+#if LL_WINDOWS
+#include "vlc/libvlc_version.h"
+#endif // LL_WINDOWS
+#endif // LL_LINUX
 
 // Third party library includes
 #include <boost/bind.hpp>
 #include <boost/foreach.hpp>
 #include <boost/algorithm/string.hpp>
 #include <boost/regex.hpp>
+#include <boost/throw_exception.hpp>
 
 #if LL_WINDOWS
 #	include <share.h> // For _SH_DENYWR in processMarkerFiles
@@ -232,7 +237,6 @@
 #include "llcoproceduremanager.h"
 #include "llviewereventrecorder.h"
 
-
 // *FIX: These extern globals should be cleaned up.
 // The globals either represent state/config/resource-storage of either 
 // this app, or another 'component' of the viewer. App globals should be 
@@ -772,9 +776,6 @@ bool LLAppViewer::init()
 	//
 	// Start of the application
 	//
-#ifdef LL_DARWIN
-	mMainLoopInitialized = false;
-#endif
 
 	// initialize LLWearableType translation bridge.
 	// Memory will be cleaned up in ::cleanupClass()
@@ -928,7 +929,7 @@ bool LLAppViewer::init()
 	
 	// Provide the text fields with callbacks for opening Urls
 	LLUrlAction::setOpenURLCallback(boost::bind(&LLWeb::loadURL, _1, LLStringUtil::null, LLStringUtil::null));
-	LLUrlAction::setOpenURLInternalCallback(boost::bind(&LLWeb::loadURLInternal, _1, LLStringUtil::null, LLStringUtil::null));
+	LLUrlAction::setOpenURLInternalCallback(boost::bind(&LLWeb::loadURLInternal, _1, LLStringUtil::null, LLStringUtil::null, false));
 	LLUrlAction::setOpenURLExternalCallback(boost::bind(&LLWeb::loadURLExternal, _1, true, LLStringUtil::null));
 	LLUrlAction::setExecuteSLURLCallback(&LLURLDispatcher::dispatchFromTextEditor);
 
@@ -1231,6 +1232,23 @@ bool LLAppViewer::init()
 
 	showReleaseNotesIfRequired();
 
+	/*----------------------------------------------------------------------*/
+	// nat 2016-06-29 moved the following here from the former mainLoop().
+	mMainloopTimeout = new LLWatchdogTimeout();
+
+	// Create IO Pump to use for HTTP Requests.
+	gServicePump = new LLPumpIO(gAPRPoolp);
+
+	// Note: this is where gLocalSpeakerMgr and gActiveSpeakerMgr used to be instantiated.
+
+	LLVoiceChannel::initClass();
+	LLVoiceClient::getInstance()->init(gServicePump);
+	LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLFloaterIMContainer::onCurrentChannelChanged, _1), true);
+
+	joystick = LLViewerJoystick::getInstance();
+	joystick->setNeedsReset(true);
+	/*----------------------------------------------------------------------*/
+
 	return true;
 }
 
@@ -1305,300 +1323,266 @@ static LLTrace::BlockTimerStatHandle FTM_AGENT_UPDATE("Update");
 // externally visible timers
 LLTrace::BlockTimerStatHandle FTM_FRAME("Frame");
 
-bool LLAppViewer::mainLoop()
+bool LLAppViewer::frame()
 {
-#ifdef LL_DARWIN
-	if (!mMainLoopInitialized)
-#endif
-	{
-        LL_INFOS() << "Entering main_loop" << LL_ENDL;
-		mMainloopTimeout = new LLWatchdogTimeout();
-		
-		//-------------------------------------------
-		// Run main loop until time to quit
-		//-------------------------------------------
-		
-		// Create IO Pump to use for HTTP Requests.
-		gServicePump = new LLPumpIO(gAPRPoolp);
-		
-		// Note: this is where gLocalSpeakerMgr and gActiveSpeakerMgr used to be instantiated.
-		
-		LLVoiceChannel::initClass();
-		LLVoiceClient::getInstance()->init(gServicePump);
-		LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLFloaterIMContainer::onCurrentChannelChanged, _1), true);
-		
-		joystick = LLViewerJoystick::getInstance();
-		joystick->setNeedsReset(true);
-		
-#ifdef LL_DARWIN
-		// Ensure that this section of code never gets called again on OS X.
-		mMainLoopInitialized = true;
-#endif
-	}
-	// As we do not (yet) send data on the mainloop LLEventPump that varies
-	// with each frame, no need to instantiate a new LLSD event object each
-	// time. Obviously, if that changes, just instantiate the LLSD at the
-	// point of posting.
-	
 	LLEventPump& mainloop(LLEventPumps::instance().obtain("mainloop"));
-	
-    LLSD newFrame;
-	
+	LLSD newFrame;
+
 	LLTimer frameTimer,idleTimer;
 	LLTimer debugTime;
-	
+
 	//LLPrivateMemoryPoolTester::getInstance()->run(false) ;
 	//LLPrivateMemoryPoolTester::getInstance()->run(true) ;
 	//LLPrivateMemoryPoolTester::destroy() ;
 
-	// Handle messages
-#ifdef LL_DARWIN
-	if (!LLApp::isExiting())
-#else
-	while (!LLApp::isExiting())
-#endif
-	{
-		LL_RECORD_BLOCK_TIME(FTM_FRAME);
-		LLTrace::BlockTimer::processTimes();
-		LLTrace::get_frame_recording().nextPeriod();
-		LLTrace::BlockTimer::logStats();
+	LL_RECORD_BLOCK_TIME(FTM_FRAME);
+	LLTrace::BlockTimer::processTimes();
+	LLTrace::get_frame_recording().nextPeriod();
+	LLTrace::BlockTimer::logStats();
 
-		LLTrace::get_thread_recorder()->pullFromChildren();
+	LLTrace::get_thread_recorder()->pullFromChildren();
 
-		//clear call stack records
-		LL_CLEAR_CALLSTACKS();
+	//clear call stack records
+	LL_CLEAR_CALLSTACKS();
 
-		//check memory availability information
-		checkMemory() ;
-		
-		try
+	//check memory availability information
+	checkMemory() ;
+
+	try
+	{
+		pingMainloopTimeout("Main:MiscNativeWindowEvents");
+
+		if (gViewerWindow)
 		{
-			pingMainloopTimeout("Main:MiscNativeWindowEvents");
+			LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
+			gViewerWindow->getWindow()->processMiscNativeEvents();
+		}
+
+		pingMainloopTimeout("Main:GatherInput");
 
-			if (gViewerWindow)
+		if (gViewerWindow)
+		{
+			LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
+			if (!restoreErrorTrap())
 			{
-				LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
-				gViewerWindow->getWindow()->processMiscNativeEvents();
+				LL_WARNS() << " Someone took over my signal/exception handler (post messagehandling)!" << LL_ENDL;
 			}
-		
-			pingMainloopTimeout("Main:GatherInput");
-			
-			if (gViewerWindow)
-			{
-				LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
-				if (!restoreErrorTrap())
-				{
-					LL_WARNS() << " Someone took over my signal/exception handler (post messagehandling)!" << LL_ENDL;
-				}
 
-				gViewerWindow->getWindow()->gatherInput();
-			}
+			gViewerWindow->getWindow()->gatherInput();
+		}
 
 #if 1 && !LL_RELEASE_FOR_DOWNLOAD
-			// once per second debug info
-			if (debugTime.getElapsedTimeF32() > 1.f)
-			{
-				debugTime.reset();
-			}
-			
+		// once per second debug info
+		if (debugTime.getElapsedTimeF32() > 1.f)
+		{
+			debugTime.reset();
+		}
+		
 #endif
-			//memory leaking simulation
-			LLFloaterMemLeak* mem_leak_instance =
-				LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
-			if(mem_leak_instance)
-			{
-				mem_leak_instance->idle() ;				
-			}							
+		//memory leaking simulation
+		LLFloaterMemLeak* mem_leak_instance =
+			LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
+		if(mem_leak_instance)
+		{
+			mem_leak_instance->idle() ;				
+		}							
+
+		// canonical per-frame event
+		mainloop.post(newFrame);
 
-            // canonical per-frame event
-            mainloop.post(newFrame);
+		if (!LLApp::isExiting())
+		{
+			pingMainloopTimeout("Main:JoystickKeyboard");
+
+			// Scan keyboard for movement keys.  Command keys and typing
+			// are handled by windows callbacks.  Don't do this until we're
+			// done initializing.  JC
+			if ((gHeadlessClient || gViewerWindow->getWindow()->getVisible())
+				&& gViewerWindow->getActive()
+				&& !gViewerWindow->getWindow()->getMinimized()
+				&& LLStartUp::getStartupState() == STATE_STARTED
+				&& (gHeadlessClient || !gViewerWindow->getShowProgress())
+				&& !gFocusMgr.focusLocked())
+			{
+				joystick->scanJoystick();
+				gKeyboard->scanKeyboard();
+			}
 
-			if (!LLApp::isExiting())
+			// Update state based on messages, user input, object idle.
 			{
-				pingMainloopTimeout("Main:JoystickKeyboard");
+				pauseMainloopTimeout(); // *TODO: Remove. Messages shouldn't be stalling for 20+ seconds!
 				
-				// Scan keyboard for movement keys.  Command keys and typing
-				// are handled by windows callbacks.  Don't do this until we're
-				// done initializing.  JC
-				if ((gHeadlessClient || gViewerWindow->getWindow()->getVisible())
-					&& gViewerWindow->getActive()
-					&& !gViewerWindow->getWindow()->getMinimized()
-					&& LLStartUp::getStartupState() == STATE_STARTED
-					&& (gHeadlessClient || !gViewerWindow->getShowProgress())
-					&& !gFocusMgr.focusLocked())
-				{
-					joystick->scanJoystick();
-					gKeyboard->scanKeyboard();
-				}
+				LL_RECORD_BLOCK_TIME(FTM_IDLE);
+				idle();
 
-				// Update state based on messages, user input, object idle.
-				{
-					pauseMainloopTimeout(); // *TODO: Remove. Messages shouldn't be stalling for 20+ seconds!
-					
-					LL_RECORD_BLOCK_TIME(FTM_IDLE);
-					idle();
+				resumeMainloopTimeout();
+			}
 
-					resumeMainloopTimeout();
-				}
- 
-				if (gDoDisconnect && (LLStartUp::getStartupState() == STATE_STARTED))
-				{
-					pauseMainloopTimeout();
-					saveFinalSnapshot();
-					disconnectViewer();
-					resumeMainloopTimeout();
-				}
+			if (gDoDisconnect && (LLStartUp::getStartupState() == STATE_STARTED))
+			{
+				pauseMainloopTimeout();
+				saveFinalSnapshot();
+				disconnectViewer();
+				resumeMainloopTimeout();
+			}
 
-				// Render scene.
-				// *TODO: Should we run display() even during gHeadlessClient?  DK 2011-02-18
-				if (!LLApp::isExiting() && !gHeadlessClient)
-				{
-					pingMainloopTimeout("Main:Display");
-					gGLActive = TRUE;
-					display();
-					pingMainloopTimeout("Main:Snapshot");
-					LLFloaterSnapshot::update(); // take snapshots
+			// Render scene.
+			// *TODO: Should we run display() even during gHeadlessClient?  DK 2011-02-18
+			if (!LLApp::isExiting() && !gHeadlessClient)
+			{
+				pingMainloopTimeout("Main:Display");
+				gGLActive = TRUE;
+				display();
+				pingMainloopTimeout("Main:Snapshot");
+				LLFloaterSnapshot::update(); // take snapshots
 					LLFloaterOutfitSnapshot::update();
-					gGLActive = FALSE;
-				}
+				gGLActive = FALSE;
 			}
+		}
 
-			pingMainloopTimeout("Main:Sleep");
+		pingMainloopTimeout("Main:Sleep");
+
+		pauseMainloopTimeout();
+
+		// Sleep and run background threads
+		{
+			LL_RECORD_BLOCK_TIME(FTM_SLEEP);
 			
-			pauseMainloopTimeout();
+			// yield some time to the os based on command line option
+			if(mYieldTime >= 0)
+			{
+				LL_RECORD_BLOCK_TIME(FTM_YIELD);
+				ms_sleep(mYieldTime);
+			}
 
-			// Sleep and run background threads
+			// yield cooperatively when not running as foreground window
+			if (   (gViewerWindow && !gViewerWindow->getWindow()->getVisible())
+					|| !gFocusMgr.getAppHasFocus())
 			{
-				LL_RECORD_BLOCK_TIME(FTM_SLEEP);
-				
-				// yield some time to the os based on command line option
-				if(mYieldTime >= 0)
+				// Sleep if we're not rendering, or the window is minimized.
+				S32 milliseconds_to_sleep = llclamp(gSavedSettings.getS32("BackgroundYieldTime"), 0, 1000);
+				// don't sleep when BackgroundYieldTime set to 0, since this will still yield to other threads
+				// of equal priority on Windows
+				if (milliseconds_to_sleep > 0)
 				{
-					LL_RECORD_BLOCK_TIME(FTM_YIELD);
-					ms_sleep(mYieldTime);
+					ms_sleep(milliseconds_to_sleep);
+					// also pause worker threads during this wait period
+					LLAppViewer::getTextureCache()->pause();
+					LLAppViewer::getImageDecodeThread()->pause();
 				}
+			}
+			
+			if (mRandomizeFramerate)
+			{
+				ms_sleep(rand() % 200);
+			}
+
+			if (mPeriodicSlowFrame
+				&& (gFrameCount % 10 == 0))
+			{
+				LL_INFOS() << "Periodic slow frame - sleeping 500 ms" << LL_ENDL;
+				ms_sleep(500);
+			}
+
+			const F64Milliseconds max_idle_time = llmin(.005f*10.f*(F32Milliseconds)gFrameTimeSeconds, F32Milliseconds(5)); // 5 ms a second
+			idleTimer.reset();
+			S32 total_work_pending = 0;
+			S32 total_io_pending = 0;	
+			while(1)
+			{
+				S32 work_pending = 0;
+				S32 io_pending = 0;
+				F32 max_time = llmin(gFrameIntervalSeconds.value() *10.f, 1.f);
+
+				work_pending += updateTextureThreads(max_time);
 
-				// yield cooperatively when not running as foreground window
-				if (   (gViewerWindow && !gViewerWindow->getWindow()->getVisible())
-						|| !gFocusMgr.getAppHasFocus())
 				{
-					// Sleep if we're not rendering, or the window is minimized.
-					S32 milliseconds_to_sleep = llclamp(gSavedSettings.getS32("BackgroundYieldTime"), 0, 1000);
-					// don't sleep when BackgroundYieldTime set to 0, since this will still yield to other threads
-					// of equal priority on Windows
-					if (milliseconds_to_sleep > 0)
-					{
-						ms_sleep(milliseconds_to_sleep);
-						// also pause worker threads during this wait period
-						LLAppViewer::getTextureCache()->pause();
-						LLAppViewer::getImageDecodeThread()->pause();
-					}
+					LL_RECORD_BLOCK_TIME(FTM_VFS);
+ 					io_pending += LLVFSThread::updateClass(1);
 				}
-				
-				if (mRandomizeFramerate)
 				{
-					ms_sleep(rand() % 200);
+					LL_RECORD_BLOCK_TIME(FTM_LFS);
+ 					io_pending += LLLFSThread::updateClass(1);
 				}
 
-				if (mPeriodicSlowFrame
-					&& (gFrameCount % 10 == 0))
+				if (io_pending > 1000)
 				{
-					LL_INFOS() << "Periodic slow frame - sleeping 500 ms" << LL_ENDL;
-					ms_sleep(500);
+					ms_sleep(llmin(io_pending/100,100)); // give the vfs some time to catch up
 				}
 
-				const F64Milliseconds max_idle_time = llmin(.005f*10.f*(F32Milliseconds)gFrameTimeSeconds, F32Milliseconds(5)); // 5 ms a second
-				idleTimer.reset();
-				S32 total_work_pending = 0;
-				S32 total_io_pending = 0;	
-				while(1)
-				{
-					S32 work_pending = 0;
-					S32 io_pending = 0;
-					F32 max_time = llmin(gFrameIntervalSeconds.value() *10.f, 1.f);
-
-					work_pending += updateTextureThreads(max_time);
-
-					{
-						LL_RECORD_BLOCK_TIME(FTM_VFS);
-	 					io_pending += LLVFSThread::updateClass(1);
-					}
-					{
-						LL_RECORD_BLOCK_TIME(FTM_LFS);
-	 					io_pending += LLLFSThread::updateClass(1);
-					}
-
-					if (io_pending > 1000)
-					{
-						ms_sleep(llmin(io_pending/100,100)); // give the vfs some time to catch up
-					}
-
-					total_work_pending += work_pending ;
-					total_io_pending += io_pending ;
-					
-					if (!work_pending || idleTimer.getElapsedTimeF64() >= max_idle_time)
-					{
-						break;
-					}
-				}
-				gMeshRepo.update() ;
+				total_work_pending += work_pending ;
+				total_io_pending += io_pending ;
 				
-				if(!total_work_pending) //pause texture fetching threads if nothing to process.
+				if (!work_pending || idleTimer.getElapsedTimeF64() >= max_idle_time)
 				{
-					LLAppViewer::getTextureCache()->pause();
-					LLAppViewer::getImageDecodeThread()->pause();
-					LLAppViewer::getTextureFetch()->pause(); 
+					break;
 				}
-				if(!total_io_pending) //pause file threads if nothing to process.
-				{
-					LLVFSThread::sLocal->pause(); 
-					LLLFSThread::sLocal->pause(); 
-				}									
+			}
+			gMeshRepo.update() ;
+			
+			if(!total_work_pending) //pause texture fetching threads if nothing to process.
+			{
+				LLAppViewer::getTextureCache()->pause();
+				LLAppViewer::getImageDecodeThread()->pause();
+				LLAppViewer::getTextureFetch()->pause(); 
+			}
+			if(!total_io_pending) //pause file threads if nothing to process.
+			{
+				LLVFSThread::sLocal->pause(); 
+				LLLFSThread::sLocal->pause(); 
+			}									
 
-				//texture fetching debugger
-				if(LLTextureFetchDebugger::isEnabled())
+			//texture fetching debugger
+			if(LLTextureFetchDebugger::isEnabled())
+			{
+				LLFloaterTextureFetchDebugger* tex_fetch_debugger_instance =
+					LLFloaterReg::findTypedInstance<LLFloaterTextureFetchDebugger>("tex_fetch_debugger");
+				if(tex_fetch_debugger_instance)
 				{
-					LLFloaterTextureFetchDebugger* tex_fetch_debugger_instance =
-						LLFloaterReg::findTypedInstance<LLFloaterTextureFetchDebugger>("tex_fetch_debugger");
-					if(tex_fetch_debugger_instance)
-					{
-						tex_fetch_debugger_instance->idle() ;				
-					}
+					tex_fetch_debugger_instance->idle() ;				
 				}
+			}
 
-				if ((LLStartUp::getStartupState() >= STATE_CLEANUP) &&
-					(frameTimer.getElapsedTimeF64() > FRAME_STALL_THRESHOLD))
-				{
-					gFrameStalls++;
-				}
-				frameTimer.reset();
+			if ((LLStartUp::getStartupState() >= STATE_CLEANUP) &&
+				(frameTimer.getElapsedTimeF64() > FRAME_STALL_THRESHOLD))
+			{
+				gFrameStalls++;
+			}
+			frameTimer.reset();
 
-				resumeMainloopTimeout();
-	
-				pingMainloopTimeout("Main:End");
-			}	
+			resumeMainloopTimeout();
+
+			pingMainloopTimeout("Main:End");
 		}
-		catch(std::bad_alloc)
-		{			
-			LLMemory::logMemoryInfo(TRUE) ;
+	}
+	catch (const LLContinueError&)
+	{
+		LOG_UNHANDLED_EXCEPTION("");
+	}
+	catch(std::bad_alloc)
+	{
+		LLMemory::logMemoryInfo(TRUE) ;
 
-			//stop memory leaking simulation
-			LLFloaterMemLeak* mem_leak_instance =
-				LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
-			if(mem_leak_instance)
-			{
-				mem_leak_instance->stop() ;				
-				LL_WARNS() << "Bad memory allocation in LLAppViewer::mainLoop()!" << LL_ENDL ;
-			}
-			else
-			{
-				//output possible call stacks to log file.
-				LLError::LLCallStacks::print() ;
+		//stop memory leaking simulation
+		LLFloaterMemLeak* mem_leak_instance =
+			LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
+		if(mem_leak_instance)
+		{
+			mem_leak_instance->stop() ;
+			LL_WARNS() << "Bad memory allocation in LLAppViewer::frame()!" << LL_ENDL ;
+		}
+		else
+		{
+			//output possible call stacks to log file.
+			LLError::LLCallStacks::print() ;
 
-				LL_ERRS() << "Bad memory allocation in LLAppViewer::mainLoop()!" << LL_ENDL ;
-			}
+			LL_ERRS() << "Bad memory allocation in LLAppViewer::frame()!" << LL_ENDL ;
 		}
 	}
+	catch (...)
+	{
+		CRASH_ON_UNHANDLED_EXCEPTION("");
+	}
 
 	if (LLApp::isExiting())
 	{
@@ -1612,7 +1596,7 @@ bool LLAppViewer::mainLoop()
 			catch(std::bad_alloc)
 			{
 				LL_WARNS() << "Bad memory allocation when saveFinalSnapshot() is called!" << LL_ENDL ;
-				
+
 				//stop memory leaking simulation
 				LLFloaterMemLeak* mem_leak_instance =
 				LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
@@ -1621,16 +1605,20 @@ bool LLAppViewer::mainLoop()
 					mem_leak_instance->stop() ;
 				}
 			}
+			catch (...)
+			{
+				CRASH_ON_UNHANDLED_EXCEPTION("saveFinalSnapshot()");
+			}
 		}
-		
+
 		delete gServicePump;
-		
+
 		destroyMainloopTimeout();
-		
+
 		LL_INFOS() << "Exiting main_loop" << LL_ENDL;
 	}
 
-	return LLApp::isExiting();
+	return ! LLApp::isRunning();
 }
 
 S32 LLAppViewer::updateTextureThreads(F32 max_time)
@@ -3358,6 +3346,19 @@ LLSD LLAppViewer::getViewerInfo() const
 	info["LLCEFLIB_VERSION"] = LLCEFLIB_VERSION;
 #else
 	info["LLCEFLIB_VERSION"] = "Undefined";
+
+#endif
+
+#if LL_WINDOWS
+	std::ostringstream ver_codec;
+	ver_codec << LIBVLC_VERSION_MAJOR;
+	ver_codec << ".";
+	ver_codec << LIBVLC_VERSION_MINOR;
+	ver_codec << ".";
+	ver_codec << LIBVLC_VERSION_REVISION;
+	info["LIBVLC_VERSION"] = ver_codec.str();
+#else
+	info["LIBVLC_VERSION"] = "Undefined";
 #endif
 
 	S32 packets_in = LLViewerStats::instance().getRecording().getSum(LLStatViewer::PACKETS_IN);
@@ -5562,8 +5563,7 @@ void LLAppViewer::forceErrorInfiniteLoop()
 void LLAppViewer::forceErrorSoftwareException()
 {
    	LL_WARNS() << "Forcing a deliberate exception" << LL_ENDL;
-    // *FIX: Any way to insure it won't be handled?
-    throw; 
+    LLTHROW(LLException("User selected Force Software Exception"));
 }
 
 void LLAppViewer::forceErrorDriverCrash()
diff --git a/indra/newview/llappviewer.h b/indra/newview/llappviewer.h
index d4af2440be..948d316009 100644
--- a/indra/newview/llappviewer.h
+++ b/indra/newview/llappviewer.h
@@ -79,7 +79,7 @@ public:
 	//
 	virtual bool init();			// Override to do application initialization
 	virtual bool cleanup();			// Override to do application cleanup
-	virtual bool mainLoop(); // Override for the application main loop.  Needs to at least gracefully notice the QUITTING state and exit.
+	virtual bool frame(); // Override for application body logic
 
 	// Application control
 	void flushVFSIO(); // waits for vfs transfers to complete
@@ -285,7 +285,6 @@ private:
 	std::string mSerialNumber;
 	bool mPurgeCache;
     bool mPurgeOnExit;
-	bool mMainLoopInitialized;
 	LLViewerJoystick* joystick;
 
 	bool mSavedFinalSnapshot;
diff --git a/indra/newview/llappviewerlinux.cpp b/indra/newview/llappviewerlinux.cpp
index f5742b29cf..6f32aab851 100644
--- a/indra/newview/llappviewerlinux.cpp
+++ b/indra/newview/llappviewerlinux.cpp
@@ -95,10 +95,8 @@ int main( int argc, char **argv )
 	}
 
 		// Run the application main loop
-	if(!LLApp::isQuitting()) 
-	{
-		viewer_app_ptr->mainLoop();
-	}
+	while (! viewer_app_ptr->frame()) 
+	{}
 
 	if (!LLApp::isError())
 	{
diff --git a/indra/newview/llappviewermacosx.cpp b/indra/newview/llappviewermacosx.cpp
index ca219fda59..4fe1e31668 100644
--- a/indra/newview/llappviewermacosx.cpp
+++ b/indra/newview/llappviewermacosx.cpp
@@ -117,12 +117,17 @@ void handleQuit()
 	LLAppViewer::instance()->userQuit();
 }
 
-bool runMainLoop()
+// This function is called pumpMainLoop() rather than runMainLoop() because
+// it passes control to the viewer's main-loop logic for a single frame. Like
+// LLAppViewer::frame(), it returns 'true' when it's done. Until then, it
+// expects to be called again by the timer in LLAppDelegate
+// (llappdelegate-objc.mm).
+bool pumpMainLoop()
 {
 	bool ret = LLApp::isQuitting();
 	if (!ret && gViewerAppPtr != NULL)
 	{
-		ret = gViewerAppPtr->mainLoop();
+		ret = gViewerAppPtr->frame();
 	} else {
 		ret = true;
 	}
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp
index febcfe1f61..5107030476 100644
--- a/indra/newview/llappviewerwin32.cpp
+++ b/indra/newview/llappviewerwin32.cpp
@@ -319,10 +319,8 @@ int APIENTRY WINMAIN(HINSTANCE hInstance,
 	}
 	
 	// Run the application main loop
-	if(!LLApp::isQuitting()) 
-	{
-		viewer_app_ptr->mainLoop();
-	}
+	while (! viewer_app_ptr->frame()) 
+	{}
 
 	if (!LLApp::isError())
 	{
@@ -332,33 +330,33 @@ int APIENTRY WINMAIN(HINSTANCE hInstance,
 		// app cleanup if there was a problem.
 		//
 #if WINDOWS_CRT_MEM_CHECKS
-    LL_INFOS() << "CRT Checking memory:" << LL_ENDL;
-	if (!_CrtCheckMemory())
-	{
-		LL_WARNS() << "_CrtCheckMemory() failed at prior to cleanup!" << LL_ENDL;
-	}
-	else
-	{
-		LL_INFOS() << " No corruption detected." << LL_ENDL;
-	}
+		LL_INFOS() << "CRT Checking memory:" << LL_ENDL;
+		if (!_CrtCheckMemory())
+		{
+			LL_WARNS() << "_CrtCheckMemory() failed at prior to cleanup!" << LL_ENDL;
+		}
+		else
+		{
+			LL_INFOS() << " No corruption detected." << LL_ENDL;
+		}
 #endif
-	
-	gGLActive = TRUE;
 
-	viewer_app_ptr->cleanup();
-	
+		gGLActive = TRUE;
+
+		viewer_app_ptr->cleanup();
+
 #if WINDOWS_CRT_MEM_CHECKS
-    LL_INFOS() << "CRT Checking memory:" << LL_ENDL;
-	if (!_CrtCheckMemory())
-	{
-		LL_WARNS() << "_CrtCheckMemory() failed after cleanup!" << LL_ENDL;
-	}
-	else
-	{
-		LL_INFOS() << " No corruption detected." << LL_ENDL;
-	}
+		LL_INFOS() << "CRT Checking memory:" << LL_ENDL;
+		if (!_CrtCheckMemory())
+		{
+			LL_WARNS() << "_CrtCheckMemory() failed after cleanup!" << LL_ENDL;
+		}
+		else
+		{
+			LL_INFOS() << " No corruption detected." << LL_ENDL;
+		}
 #endif
-	 
+
 	}
 	delete viewer_app_ptr;
 	viewer_app_ptr = NULL;
diff --git a/indra/newview/llcommandlineparser.cpp b/indra/newview/llcommandlineparser.cpp
index 1819fc74ee..90a5483dc9 100644
--- a/indra/newview/llcommandlineparser.cpp
+++ b/indra/newview/llcommandlineparser.cpp
@@ -26,6 +26,7 @@
 
 #include "llviewerprecompiledheaders.h"
 #include "llcommandlineparser.h"
+#include "llexception.h"
 
 // *NOTE: The boost::lexical_cast generates 
 // the warning C4701(local used with out assignment) in VC7.1.
@@ -50,6 +51,7 @@
 #include "llsdserialize.h"
 #include "llerror.h"
 #include "stringize.h"
+#include "llexception.h"
 #include <string>
 #include <set>
 #include <iostream>
@@ -98,14 +100,14 @@ namespace
     bool gPastLastOption = false;
 }
 
-class LLCLPError : public std::logic_error {
+class LLCLPError : public LLException {
 public:
-    LLCLPError(const std::string& what) : std::logic_error(what) {}
+    LLCLPError(const std::string& what) : LLException(what) {}
 };
 
-class LLCLPLastOption : public std::logic_error {
+class LLCLPLastOption : public LLException {
 public:
-    LLCLPLastOption(const std::string& what) : std::logic_error(what) {}
+    LLCLPLastOption(const std::string& what) : LLException(what) {}
 };
 
 class LLCLPValue : public po::value_semantic_codecvt_helper<char> 
@@ -202,17 +204,17 @@ protected:
     {
         if(gPastLastOption)
         {
-            throw(LLCLPLastOption("Don't parse no more!"));
+            LLTHROW(LLCLPLastOption("Don't parse no more!"));
         }
 
         // Error checks. Needed?
         if (!value_store.empty() && !is_composing()) 
         {
-            throw(LLCLPError("Non composing value with multiple occurences."));
+            LLTHROW(LLCLPError("Non composing value with multiple occurences."));
         }
         if (new_tokens.size() < min_tokens() || new_tokens.size() > max_tokens())
         {
-            throw(LLCLPError("Illegal number of tokens specified."));
+            LLTHROW(LLCLPError("Illegal number of tokens specified."));
         }
         
         if(value_store.empty())
@@ -466,7 +468,7 @@ onevalue(const std::string& option,
     {
         // What does it mean when the user specifies a command-line switch
         // that requires a value, but omits the value? Complain.
-        throw LLCLPError(STRINGIZE("No value specified for --" << option << "!"));
+        LLTHROW(LLCLPError(STRINGIZE("No value specified for --" << option << "!")));
     }
     else if (value.size() > 1)
     {
@@ -484,9 +486,9 @@ void badvalue(const std::string& option,
     // If the user passes an unusable value for a command-line switch, it
     // seems like a really bad idea to just ignore it, even with a log
     // warning.
-    throw LLCLPError(STRINGIZE("Invalid value specified by command-line switch '" << option
-                               << "' for variable '" << varname << "' of type " << type
-                               << ": '" << value << "'"));
+    LLTHROW(LLCLPError(STRINGIZE("Invalid value specified by command-line switch '" << option
+                                 << "' for variable '" << varname << "' of type " << type
+                                 << ": '" << value << "'")));
 }
 
 template <typename T>
diff --git a/indra/newview/llcompilequeue.cpp b/indra/newview/llcompilequeue.cpp
index 7721e67290..76e16f5a1f 100644
--- a/indra/newview/llcompilequeue.cpp
+++ b/indra/newview/llcompilequeue.cpp
@@ -67,7 +67,9 @@ namespace
 
     const std::string QUEUE_EVENTPUMP_NAME("ScriptActionQueue");
 
-
+    // ObjectIventoryFetcher is an adapter between the LLVOInventoryListener::inventoryChanged 
+    // callback mechanism and the LLEventPump coroutine architecture allowing the 
+    // coroutine to wait for the inventory event.
     class ObjectInventoryFetcher: public LLVOInventoryListener
     {
     public:
@@ -144,7 +146,7 @@ public:
             queue->getChild<LLScrollListCtrl>("queue output")->addSimpleElement(message, ADD_BOTTOM);
         }
 
-        return LLSD().with("success", LLSD::Boolean(true));
+        return LLSDMap("success", LLSD::Boolean(true));
     }
 
 
@@ -254,7 +256,6 @@ LLFloaterCompileQueue::LLFloaterCompileQueue(const LLSD& key)
 	setTitle(LLTrans::getString("CompileQueueTitle"));
 	setStartString(LLTrans::getString("CompileQueueStart"));
 														 															 
-//	mUploadQueue = new LLAssetUploadQueue(new LLCompileFloaterUploadQueueSupplier(key.asUUID()));
 }
 
 LLFloaterCompileQueue::~LLFloaterCompileQueue()
@@ -267,7 +268,6 @@ void LLFloaterCompileQueue::experienceIdsReceived( const LLSD& content )
 	{
 		mExperienceIds.insert(it->asUUID());
 	}
-//	nextObject();
 }
 
 BOOL LLFloaterCompileQueue::hasExperience( const LLUUID& id ) const
@@ -277,11 +277,6 @@ BOOL LLFloaterCompileQueue::hasExperience( const LLUUID& id ) const
 
 // //Attempt to record this asset ID.  If it can not be inserted into the set 
 // //then it has already been processed so return false.
-// bool LLFloaterCompileQueue::checkAssetId(const LLUUID &assetId)
-// {
-//     std::pair<uuid_list_t::iterator, bool> result = mAssetIds.insert(assetId);
-//     return result.second;
-// }
 
 void LLFloaterCompileQueue::handleHTTPResponse(std::string pumpName, const LLSD &expresult)
 {
@@ -331,8 +326,10 @@ void LLFloaterCompileQueue::processExperienceIdResults(LLSD result, LLUUID paren
 
     queue->experienceIdsReceived(result["experience_ids"]);
 
+    // getDerived handle gets a handle that can be resolved to a parent class of the derived object.
     LLHandle<LLFloaterScriptQueue> hFloater(queue->getDerivedHandle<LLFloaterScriptQueue>());
 
+    // note subtle difference here: getDerivedHandle in this case is for an LLFloaterCompileQueue
     fnQueueAction_t fn = boost::bind(LLFloaterCompileQueue::processScript,
         queue->getDerivedHandle<LLFloaterCompileQueue>(), _1, _2, _3);
 
@@ -345,37 +342,35 @@ void LLFloaterCompileQueue::processExperienceIdResults(LLSD result, LLUUID paren
 
 }
 
+/// This is a utility function to be bound and called from objectScriptProcessingQueueCoro.
+/// Do not call directly. It may throw a LLCheckedHandle<>::Stale exception.
 bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloater,
     const LLPointer<LLViewerObject> &object, LLInventoryObject* inventory, LLEventPump &pump)
 {
     LLSD result;
-    LLFloaterCompileQueue *that = hfloater.get();
-    bool monocompile = that->mMono;
+    LLCheckedHandle<LLFloaterCompileQueue> floater(hfloater);
+    // Dereferencing floater may fail. If they do they throw LLExeceptionStaleHandle.
+    // which is caught in objectScriptProcessingQueueCoro
+    bool monocompile = floater->mMono;
     F32 fetch_timeout = gSavedSettings.getF32("QueueInventoryFetchTimeout");
 
-    if (!that)
-        return false;
 
     // Initial test to see if we can (or should) attempt to compile the script.
     LLInventoryItem *item = dynamic_cast<LLInventoryItem *>(inventory);
-    {
 
-        if (!item->getPermissions().allowModifyBy(gAgent.getID(), gAgent.getGroupID()) ||
-            !item->getPermissions().allowCopyBy(gAgent.getID(), gAgent.getGroupID()))
-        {
-            std::string buffer = "Skipping: " + item->getName() + "(Permissions)";
-            that->addStringMessage(buffer);
-            return true;
-        }
+    if (!item)
+    {
+        LL_WARNS("SCRIPTQ") << "item retrieved is not an LLInventoryItem." << LL_ENDL;
+        return true;
+    }
 
-//         if (!that->checkAssetId(item->getAssetUUID()))
-//         {
-//             std::string buffer = "Skipping: " + item->getName() + "(Repeat)";
-//             that->addStringMessage(buffer);
-//             return true;
-//         }
+    if (!item->getPermissions().allowModifyBy(gAgent.getID(), gAgent.getGroupID()) ||
+        !item->getPermissions().allowCopyBy(gAgent.getID(), gAgent.getGroupID()))
+    {
+        std::string buffer = "Skipping: " + item->getName() + "(Permissions)";
+        floater->addStringMessage(buffer);
+        return true;
     }
-    that = NULL;
 
     // Attempt to retrieve the experience
     LLUUID experienceId;
@@ -384,37 +379,30 @@ bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloat
             boost::bind(&LLFloaterCompileQueue::handleHTTPResponse, pump.getName(), _1));
 
         result = llcoro::suspendUntilEventOnWithTimeout(pump, fetch_timeout,
-            LLSD().with("timeout", LLSD::Boolean(true)));
+            LLSDMap("timeout", LLSD::Boolean(true)));
 
-        that = hfloater.get();
-        if (!that)
-        {
-            return false;
-        }
-
-        if (result.has("timeout") && result["timeout"].asBoolean())
-        {
+        if (result.has("timeout"))
+        {   // A timeout filed in the result will always be true if present.
             LLStringUtil::format_map_t args;
             args["[OBJECT_NAME]"] = inventory->getName();
-            std::string buffer = that->getString("Timeout", args);
-            that->addStringMessage(buffer);
+            std::string buffer = floater->getString("Timeout", args);
+            floater->addStringMessage(buffer);
             return true;
         }
 
         if (result.has(LLExperienceCache::EXPERIENCE_ID))
         {
             experienceId = result[LLExperienceCache::EXPERIENCE_ID].asUUID();
-            if (!that->hasExperience(experienceId))
+            if (!floater->hasExperience(experienceId))
             {
-                that->addProcessingMessage("CompileNoExperiencePerm", LLSD()
-                    .with("SCRIPT", inventory->getName())
-                    .with("EXPERIENCE", result[LLExperienceCache::NAME].asString()));
+                floater->addProcessingMessage("CompileNoExperiencePerm", 
+                    LLSDMap("SCRIPT", inventory->getName())
+                        ("EXPERIENCE", result[LLExperienceCache::NAME].asString()));
                 return true;
             }
         }
 
     }
-    that = NULL;
 
     {
         HandleScriptUserData    userData(pump.getName());
@@ -433,32 +421,23 @@ bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloat
             &userData);
 
         result = llcoro::suspendUntilEventOnWithTimeout(pump, fetch_timeout,
-            LLSD().with("timeout", LLSD::Boolean(true)));
-    }
-
-    that = hfloater.get();
-    if (!that)
-    {
-        return false;
+            LLSDMap("timeout", LLSD::Boolean(true)));
     }
 
     if (result.has("timeout"))
-    {
-        if (result.has("timeout") && result["timeout"].asBoolean())
-        {
-            LLStringUtil::format_map_t args;
-            args["[OBJECT_NAME]"] = inventory->getName();
-            std::string buffer = that->getString("Timeout", args);
-            that->addStringMessage(buffer);
-            return true;
-        }
+    {   // A timeout filed in the result will always be true if present.
+        LLStringUtil::format_map_t args;
+        args["[OBJECT_NAME]"] = inventory->getName();
+        std::string buffer = floater->getString("Timeout", args);
+        floater->addStringMessage(buffer);
+        return true;
     }
 
     if (result.has("error"))
     {
         LL_WARNS("SCRIPTQ") << "Inventory fetch returned with error. Code: " << result["error"].asString() << LL_ENDL;
         std::string buffer = result["message"].asString() + " " + inventory->getName();
-        that->addStringMessage(buffer);
+        floater->addStringMessage(buffer);
 
         if (result.has("alert"))
         {
@@ -470,12 +449,9 @@ bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloat
     }
 
     LLUUID assetId = result["asset_id"];
-    that = NULL;
-
 
     std::string url = object->getRegion()->getCapability("UpdateScriptTask");
 
-
     {
         LLResourceUploadInfo::ptr_t uploadInfo(new LLQueuedScriptAssetUpload(object->getID(), 
             inventory->getUUID(), 
@@ -490,24 +466,15 @@ bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloat
         LLViewerAssetUpload::EnqueueInventoryUpload(url, uploadInfo);
     }
 
-    result = llcoro::suspendUntilEventOnWithTimeout(pump, fetch_timeout, LLSD().with("timeout", LLSD::Boolean(true)));
-
-    that = hfloater.get();
-    if (!that)
-    {
-        return false;
-    }
+    result = llcoro::suspendUntilEventOnWithTimeout(pump, fetch_timeout, LLSDMap("timeout", LLSD::Boolean(true)));
 
     if (result.has("timeout"))
-    {
-        if (result.has("timeout") && result["timeout"].asBoolean())
-        {
-            LLStringUtil::format_map_t args;
-            args["[OBJECT_NAME]"] = inventory->getName();
-            std::string buffer = that->getString("Timeout", args);
-            that->addStringMessage(buffer);
-            return true;
-        }
+    { // A timeout filed in the result will always be true if present.
+        LLStringUtil::format_map_t args;
+        args["[OBJECT_NAME]"] = inventory->getName();
+        std::string buffer = floater->getString("Timeout", args);
+        floater->addStringMessage(buffer);
+        return true;
     }
 
     // Bytecode save completed
@@ -515,21 +482,21 @@ bool LLFloaterCompileQueue::processScript(LLHandle<LLFloaterCompileQueue> hfloat
     {
         std::string buffer = std::string("Compilation of \"") + inventory->getName() + std::string("\" succeeded");
 
-        that->addStringMessage(buffer);
+        floater->addStringMessage(buffer);
         LL_INFOS() << buffer << LL_ENDL;
     }
     else
     {
         LLSD compile_errors = result["errors"];
         std::string buffer = std::string("Compilation of \"") + inventory->getName() + std::string("\" failed:");
-        that->addStringMessage(buffer);
+        floater->addStringMessage(buffer);
         for (LLSD::array_const_iterator line = compile_errors.beginArray();
             line < compile_errors.endArray(); line++)
         {
             std::string str = line->asString();
             str.erase(std::remove(str.begin(), str.end(), '\n'), str.end());
 
-            that->addStringMessage(str);
+            floater->addStringMessage(str);
         }
         LL_INFOS() << result["errors"] << LL_ENDL;
     }
@@ -576,16 +543,18 @@ LLFloaterResetQueue::~LLFloaterResetQueue()
 { 
 }
 
-bool LLFloaterResetQueue::resetObjectScripts(LLHandle<LLFloaterScriptQueue> hfloater, 
+/// This is a utility function to be bound and called from objectScriptProcessingQueueCoro.
+/// Do not call directly. It may throw a LLCheckedHandle<>::Stale exception.
+bool LLFloaterResetQueue::resetObjectScripts(LLHandle<LLFloaterScriptQueue> hfloater,
     const LLPointer<LLViewerObject> &object, LLInventoryObject* inventory, LLEventPump &pump)
 {
-    LLFloaterScriptQueue *that = hfloater.get();
-    if (that)
-    {
-        std::string buffer;
-        buffer = that->getString("Resetting") + (": ") + inventory->getName();
-        that->addStringMessage(buffer);
-    }
+    LLCheckedHandle<LLFloaterScriptQueue> floater(hfloater);
+    // Dereferencing floater may fail. If they do they throw LLExeceptionStaleHandle.
+    // which is caught in objectScriptProcessingQueueCoro
+
+    std::string buffer;
+    buffer = floater->getString("Resetting") + (": ") + inventory->getName();
+    floater->addStringMessage(buffer);
     
     LLMessageSystem* msg = gMessageSystem;
     msg->newMessageFast(_PREHASH_ScriptReset);
@@ -602,6 +571,8 @@ bool LLFloaterResetQueue::resetObjectScripts(LLHandle<LLFloaterScriptQueue> hflo
 
 bool LLFloaterResetQueue::startQueue()
 {
+    // Bind the resetObjectScripts method into a QueueAction function and pass it
+    // into the object queue processing coroutine.
     fnQueueAction_t fn = boost::bind(LLFloaterResetQueue::resetObjectScripts,
         getDerivedHandle<LLFloaterScriptQueue>(), _1, _2, _3);
 
@@ -629,16 +600,18 @@ LLFloaterRunQueue::~LLFloaterRunQueue()
 { 
 }
 
-bool LLFloaterRunQueue::runObjectScripts(LLHandle<LLFloaterScriptQueue> hfloater, 
+/// This is a utility function to be bound and called from objectScriptProcessingQueueCoro.
+/// Do not call directly. It may throw a LLCheckedHandle<>::Stale exception.
+bool LLFloaterRunQueue::runObjectScripts(LLHandle<LLFloaterScriptQueue> hfloater,
     const LLPointer<LLViewerObject> &object, LLInventoryObject* inventory, LLEventPump &pump)
 {
-    LLFloaterScriptQueue *that = hfloater.get();
-    if (that)
-    {
-        std::string buffer;
-        buffer = that->getString("Running") + (": ") + inventory->getName();
-        that->addStringMessage(buffer);
-    }
+    LLCheckedHandle<LLFloaterScriptQueue> floater(hfloater);
+    // Dereferencing floater may fail. If they do they throw LLExeceptionStaleHandle.
+    // which is caught in objectScriptProcessingQueueCoro
+
+    std::string buffer;
+    buffer = floater->getString("Running") + (": ") + inventory->getName();
+    floater->addStringMessage(buffer);
 
     LLMessageSystem* msg = gMessageSystem;
     msg->newMessageFast(_PREHASH_SetScriptRunning);
@@ -684,16 +657,18 @@ LLFloaterNotRunQueue::~LLFloaterNotRunQueue()
 { 
 }
 
+/// This is a utility function to be bound and called from objectScriptProcessingQueueCoro.
+/// Do not call directly. It may throw a LLCheckedHandle<>::Stale exception.
 bool LLFloaterNotRunQueue::stopObjectScripts(LLHandle<LLFloaterScriptQueue> hfloater, 
     const LLPointer<LLViewerObject> &object, LLInventoryObject* inventory, LLEventPump &pump)
 {
-    LLFloaterScriptQueue *that = hfloater.get();
-    if (that)
-    {
-        std::string buffer;
-        buffer = that->getString("NotRunning") + (": ") + inventory->getName();
-        that->addStringMessage(buffer);
-    }
+    LLCheckedHandle<LLFloaterScriptQueue> floater(hfloater);
+    // Dereferencing floater may fail. If they do they throw LLExeceptionStaleHandle.
+    // which is caught in objectScriptProcessingQueueCoro
+
+    std::string buffer;
+    buffer = floater->getString("NotRunning") + (": ") + inventory->getName();
+    floater->addStringMessage(buffer);
 
     LLMessageSystem* msg = gMessageSystem;
     msg->newMessageFast(_PREHASH_SetScriptRunning);
@@ -732,7 +707,7 @@ void ObjectInventoryFetcher::inventoryChanged(LLViewerObject* object,
     mInventoryList.clear();
     mInventoryList.assign(inventory->begin(), inventory->end());
 
-    mPump.post(LLSD().with("changed", LLSD::Boolean(true)));
+    mPump.post(LLSDMap("changed", LLSD::Boolean(true)));
 
 }
 
@@ -740,115 +715,97 @@ void LLFloaterScriptQueue::objectScriptProcessingQueueCoro(std::string action, L
     object_data_list_t objectList, fnQueueAction_t func)
 {
     LLCoros::set_consuming(true);
-    LLFloaterScriptQueue * floater(NULL);
+    LLCheckedHandle<LLFloaterScriptQueue> floater(hfloater);    
+    // Dereferencing floater may fail. If they do they throw LLExeceptionStaleHandle. 
+    // This is expected if the dialog closes.
     LLEventMailDrop        maildrop(QUEUE_EVENTPUMP_NAME, true);
     F32 fetch_timeout = gSavedSettings.getF32("QueueInventoryFetchTimeout");
 
-//     floater = hfloater.get();
-//     floater->addProcessingMessage("Starting",
-//         LLSD()
-//         .with("[START]", action)
-//         .with("[COUNT]", LLSD::Integer(objectList.size())));
-//     floater = NULL;
 
-    for (object_data_list_t::iterator itObj(objectList.begin()); (itObj != objectList.end()); ++itObj)
+    try
     {
-        bool firstForObject = true;
-        LLUUID object_id = (*itObj).mObjectId;
-        LL_INFOS("SCRIPTQ") << "Next object in queue with ID=" << object_id.asString() << LL_ENDL;
-
-        LLPointer<LLViewerObject> obj = gObjectList.findObject(object_id);
-        LLInventoryObject::object_list_t inventory;
-        if (obj)
+        for (object_data_list_t::iterator itObj(objectList.begin()); (itObj != objectList.end()); ++itObj)
         {
-            ObjectInventoryFetcher::ptr_t fetcher(new ObjectInventoryFetcher(maildrop, obj, NULL));
+            bool firstForObject = true;
+            LLUUID object_id = (*itObj).mObjectId;
+            LL_INFOS("SCRIPTQ") << "Next object in queue with ID=" << object_id.asString() << LL_ENDL;
 
-            fetcher->fetchInventory();
-
-            floater = hfloater.get();
-            if (floater)
+            LLPointer<LLViewerObject> obj = gObjectList.findObject(object_id);
+            LLInventoryObject::object_list_t inventory;
+            if (obj)
             {
+                ObjectInventoryFetcher::ptr_t fetcher(new ObjectInventoryFetcher(maildrop, obj, NULL));
+
+                fetcher->fetchInventory();
+
                 LLStringUtil::format_map_t args;
                 args["[OBJECT_NAME]"] = (*itObj).mObjectName;
                 floater->addStringMessage(floater->getString("LoadingObjInv", args));
-            }
 
-            LLSD result = llcoro::suspendUntilEventOnWithTimeout(maildrop, fetch_timeout,
-                LLSD().with("timeout", LLSD::Boolean(true)));
+                LLSD result = llcoro::suspendUntilEventOnWithTimeout(maildrop, fetch_timeout,
+                    LLSDMap("timeout", LLSD::Boolean(true)));
 
-            if (result.has("timeout") && result["timeout"].asBoolean())
-            {
-                LL_WARNS("SCRIPTQ") << "Unable to retrieve inventory for object " << object_id.asString() <<
-                    ". Skipping to next object." << LL_ENDL;
+                if (result.has("timeout"))
+                {    // A timeout filed in the result will always be true if present.
+                    LL_WARNS("SCRIPTQ") << "Unable to retrieve inventory for object " << object_id.asString() <<
+                        ". Skipping to next object." << LL_ENDL;
 
-                // floater could have been closed
-                floater = hfloater.get();
-                if (floater)
-                {
                     LLStringUtil::format_map_t args;
                     args["[OBJECT_NAME]"] = (*itObj).mObjectName;
                     floater->addStringMessage(floater->getString("Timeout", args));
+
+                    continue;
                 }
 
+                inventory.assign(fetcher->getInventoryList().begin(), fetcher->getInventoryList().end());
+            }
+            else
+            {
+                LL_WARNS("SCRIPTQ") << "Unable to retrieve object with ID of " << object_id <<
+                    ". Skipping to next." << LL_ENDL;
                 continue;
             }
 
-            inventory.assign(fetcher->getInventoryList().begin(), fetcher->getInventoryList().end());
-        }
-        else
-        {
-            LL_WARNS("SCRIPTQ") << "Unable to retrieve object with ID of " << object_id <<
-                ". Skipping to next." << LL_ENDL;
-            continue;
-        }
+            // TODO: Get the name of the object we are looking at here so that we can display it below.
+            //std::string objName = (dynamic_cast<LLInventoryObject *>(obj.get()))->getName();
+            LL_DEBUGS("SCRIPTQ") << "Object has " << inventory.size() << " items." << LL_ENDL;
 
-        // TODO: Get the name of the object we are looking at here so that we can display it below.
-        //std::string objName = (dynamic_cast<LLInventoryObject *>(obj.get()))->getName();
-        LL_DEBUGS("SCRIPTQ") << "Object has " << inventory.size() << " items." << LL_ENDL;
-
-        for (LLInventoryObject::object_list_t::iterator itInv = inventory.begin();
-            itInv != inventory.end(); ++itInv)
-        {
-            floater = hfloater.get();
-            if (!floater)
+            for (LLInventoryObject::object_list_t::iterator itInv = inventory.begin();
+                itInv != inventory.end(); ++itInv)
             {
-                LL_WARNS("SCRIPTQ") << "Script Queue floater closed! Canceling remaining ops" << LL_ENDL;
-                break;
-            }
+                floater.check();
 
-            // note, we have a smart pointer to the obj above... but if we didn't we'd check that 
-            // it still exists here.
+                // note, we have a smart pointer to the obj above... but if we didn't we'd check that 
+                // it still exists here.
 
-            if (((*itInv)->getType() == LLAssetType::AT_LSL_TEXT))
-            {
-                LL_DEBUGS("SCRIPTQ") << "Inventory item " << (*itInv)->getUUID().asString() << "\"" << (*itInv)->getName() << "\"" << LL_ENDL;
-                if (firstForObject)
+                if (((*itInv)->getType() == LLAssetType::AT_LSL_TEXT))
                 {
-                    //floater->addStringMessage(objName + ":");
-                    firstForObject = false;
+                    LL_DEBUGS("SCRIPTQ") << "Inventory item " << (*itInv)->getUUID().asString() << "\"" << (*itInv)->getName() << "\"" << LL_ENDL;
+                    if (firstForObject)
+                    {
+                        //floater->addStringMessage(objName + ":");
+                        firstForObject = false;
+                    }
+
+                    if (!func(obj, (*itInv), maildrop))
+                    {
+                        continue;
+                    }
                 }
 
-                if (!func(obj, (*itInv), maildrop))
-                {
-                    continue;
-                }
+                // no other explicit suspension point in this loop.  func(...) MIGHT suspend
+                // but offers no guarantee of doing so.
+                llcoro::suspend();
             }
-
-            llcoro::suspend();
-        }
-        // Just test to be sure the floater is still present before calling the func
-        if (!hfloater.get())
-        {
-            LL_WARNS("SCRIPTQ") << "Script Queue floater dismissed." << LL_ENDL;
-            break;
         }
 
-    }
-
-    floater = hfloater.get();
-    if (floater)
-    {
         floater->addStringMessage("Done");
         floater->getChildView("close")->setEnabled(TRUE);
     }
+    catch (LLCheckedHandleBase::Stale &)
+    {
+        // This is expected.  It means that floater has been closed before 
+        // processing was completed.
+        LL_DEBUGS("SCRIPTQ") << "LLExeceptionStaleHandle caught! Floater has most likely been closed." << LL_ENDL;
+    }
 }
diff --git a/indra/newview/llfloaterwebcontent.cpp b/indra/newview/llfloaterwebcontent.cpp
index 024e315632..dece3fc1ea 100644
--- a/indra/newview/llfloaterwebcontent.cpp
+++ b/indra/newview/llfloaterwebcontent.cpp
@@ -55,7 +55,8 @@ LLFloaterWebContent::_Params::_Params()
 	preferred_media_size("preferred_media_size"),
 	trusted_content("trusted_content", false),
 	show_page_title("show_page_title", true),
-    clean_browser("clean_browser", false)
+	clean_browser("clean_browser", false),
+	dev_mode("dev_mode", false)
 {}
 
 LLFloaterWebContent::LLFloaterWebContent( const Params& params )
@@ -74,14 +75,16 @@ LLFloaterWebContent::LLFloaterWebContent( const Params& params )
 	mShowPageTitle(params.show_page_title),
     mAllowNavigation(true),
     mCurrentURL(""),
-    mDisplayURL("")
+    mDisplayURL(""),
+    mDevelopMode(params.dev_mode) // if called from "Develop" Menu, set a flag and change things to be more useful for devs
 {
 	mCommitCallbackRegistrar.add( "WebContent.Back", boost::bind( &LLFloaterWebContent::onClickBack, this ));
 	mCommitCallbackRegistrar.add( "WebContent.Forward", boost::bind( &LLFloaterWebContent::onClickForward, this ));
 	mCommitCallbackRegistrar.add( "WebContent.Reload", boost::bind( &LLFloaterWebContent::onClickReload, this ));
 	mCommitCallbackRegistrar.add( "WebContent.Stop", boost::bind( &LLFloaterWebContent::onClickStop, this ));
 	mCommitCallbackRegistrar.add( "WebContent.EnterAddress", boost::bind( &LLFloaterWebContent::onEnterAddress, this ));
-	mCommitCallbackRegistrar.add( "WebContent.PopExternal", boost::bind( &LLFloaterWebContent::onPopExternal, this ));
+	mCommitCallbackRegistrar.add( "WebContent.PopExternal", boost::bind(&LLFloaterWebContent::onPopExternal, this));
+	mCommitCallbackRegistrar.add( "WebContent.TestURL", boost::bind(&LLFloaterWebContent::onTestURL, this, _2));
 }
 
 BOOL LLFloaterWebContent::postBuild()
@@ -195,8 +198,6 @@ void LLFloaterWebContent::geometryChanged(S32 x, S32 y, S32 width, S32 height)
 						width + getRect().getWidth() - browser_rect.getWidth(), 
 						height + getRect().getHeight() - browser_rect.getHeight());
 
-	LL_DEBUGS() << "geometry change: " << geom << LL_ENDL;
-	
 	LLRect new_rect;
 	getParent()->screenRectToLocal(geom, &new_rect);
 	setShape(new_rect);	
@@ -205,8 +206,6 @@ void LLFloaterWebContent::geometryChanged(S32 x, S32 y, S32 width, S32 height)
 // static
 void LLFloaterWebContent::preCreate(LLFloaterWebContent::Params& p)
 {
-	LL_DEBUGS() << "url = " << p.url() << ", target = " << p.target() << ", uuid = " << p.id() << LL_ENDL;
-
 	if (!p.id.isProvided())
 	{
 		p.id = LLUUID::generateNewID().asString();
@@ -224,12 +223,6 @@ void LLFloaterWebContent::preCreate(LLFloaterWebContent::Params& p)
 		// and close the least recently opened one if this will put us over the limit.
 
 		LLFloaterReg::const_instance_list_t &instances = LLFloaterReg::getFloaterList(p.window_class);
-		LL_DEBUGS() << "total instance count is " << instances.size() << LL_ENDL;
-
-		for(LLFloaterReg::const_instance_list_t::const_iterator iter = instances.begin(); iter != instances.end(); iter++)
-		{
-			LL_DEBUGS() << "    " << (*iter)->getKey()["target"] << LL_ENDL;
-		}
 
 		if(instances.size() >= (size_t)browser_window_limit)
 		{
@@ -241,16 +234,19 @@ void LLFloaterWebContent::preCreate(LLFloaterWebContent::Params& p)
 
 void LLFloaterWebContent::open_media(const Params& p)
 {
-	// Specifying a mime type of text/html here causes the plugin system to skip the MIME type probe and just open a browser plugin.
 	LLViewerMedia::proxyWindowOpened(p.target(), p.id());
-	mWebBrowser->setHomePageUrl(p.url, HTTP_CONTENT_TEXT_HTML);
+	mWebBrowser->setHomePageUrl(p.url);
 	mWebBrowser->setTarget(p.target);
-	mWebBrowser->navigateTo(p.url, HTTP_CONTENT_TEXT_HTML, p.clean_browser);
+	mWebBrowser->navigateTo(p.url);
 	
 	set_current_url(p.url);
 
 	getChild<LLLayoutPanel>("status_bar")->setVisible(p.show_chrome);
 	getChild<LLLayoutPanel>("nav_controls")->setVisible(p.show_chrome);
+
+	// turn additional debug controls on but only for Develop mode (Develop menu open)
+	getChild<LLLayoutPanel>("debug_controls")->setVisible(mDevelopMode);
+
 	bool address_entry_enabled = p.allow_address_entry && !p.trusted_content;
     mAllowNavigation = p.allow_back_forward_navigation;
 	getChildView("address")->setEnabled(address_entry_enabled);
@@ -499,7 +495,7 @@ void LLFloaterWebContent::onEnterAddress()
     LLStringUtil::trim(url);
 	if ( url.length() > 0 )
 	{
-		mWebBrowser->navigateTo(url, HTTP_CONTENT_TEXT_HTML);
+		mWebBrowser->navigateTo(url);
 	};
 }
 
@@ -508,9 +504,18 @@ void LLFloaterWebContent::onPopExternal()
 	// make sure there is at least something there.
 	// (perhaps this test should be for minimum length of a URL)
 	std::string url = mAddressCombo->getValue().asString();
-    LLStringUtil::trim(url);
-	if ( url.length() > 0 )
+	LLStringUtil::trim(url);
+	if (url.length() > 0)
+	{
+		LLWeb::loadURLExternal(url);
+	};
+}
+
+void LLFloaterWebContent::onTestURL(std::string url)
+{
+	LLStringUtil::trim(url);
+	if (url.length() > 0)
 	{
-		LLWeb::loadURLExternal( url );
+		mWebBrowser->navigateTo(url);
 	};
 }
diff --git a/indra/newview/llfloaterwebcontent.h b/indra/newview/llfloaterwebcontent.h
index 4291fd9f2c..0bf93504c2 100644
--- a/indra/newview/llfloaterwebcontent.h
+++ b/indra/newview/llfloaterwebcontent.h
@@ -58,7 +58,8 @@ public:
                                 allow_back_forward_navigation,
 								trusted_content,
 								show_page_title,
-                                clean_browser;
+								clean_browser,
+								dev_mode;
 		Optional<LLRect>		preferred_media_size;
 
 		_Params();
@@ -92,6 +93,7 @@ protected:
 	void onClickStop();
 	void onEnterAddress();
 	void onPopExternal();
+	void onTestURL(std::string url);
 
 	static void preCreate(Params& p);
 	void open_media(const Params& );
@@ -113,6 +115,7 @@ protected:
 	std::string		mUUID;
 	bool			mShowPageTitle;
     bool            mAllowNavigation;
+	bool			mDevelopMode;
 };
 
 #endif  // LL_LLFLOATERWEBCONTENT_H
diff --git a/indra/newview/llpanelprimmediacontrols.cpp b/indra/newview/llpanelprimmediacontrols.cpp
index 763657ebad..0bcd8a9e63 100644
--- a/indra/newview/llpanelprimmediacontrols.cpp
+++ b/indra/newview/llpanelprimmediacontrols.cpp
@@ -95,7 +95,8 @@ LLPanelPrimMediaControls::LLPanelPrimMediaControls() :
 	mVolumeSliderVisible(0),
 	mWindowShade(NULL),
 	mHideImmediately(false),
-    mSecureURL(false)
+    mSecureURL(false),
+	mMediaPlaySliderCtrlMouseDownValue(0.0)
 {
 	mCommitCallbackRegistrar.add("MediaCtrl.Close",		boost::bind(&LLPanelPrimMediaControls::onClickClose, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.Back",		boost::bind(&LLPanelPrimMediaControls::onClickBack, this));
@@ -109,7 +110,8 @@ LLPanelPrimMediaControls::LLPanelPrimMediaControls() :
 	mCommitCallbackRegistrar.add("MediaCtrl.Open",		boost::bind(&LLPanelPrimMediaControls::onClickOpen, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.Zoom",		boost::bind(&LLPanelPrimMediaControls::onClickZoom, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.CommitURL",	boost::bind(&LLPanelPrimMediaControls::onCommitURL, this));
-	mCommitCallbackRegistrar.add("MediaCtrl.JumpProgress",		boost::bind(&LLPanelPrimMediaControls::onCommitSlider, this));
+	mCommitCallbackRegistrar.add("MediaCtrl.MouseDown", boost::bind(&LLPanelPrimMediaControls::onMediaPlaySliderCtrlMouseDown, this));
+	mCommitCallbackRegistrar.add("MediaCtrl.MouseUp", boost::bind(&LLPanelPrimMediaControls::onMediaPlaySliderCtrlMouseUp, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.CommitVolumeUp",	boost::bind(&LLPanelPrimMediaControls::onCommitVolumeUp, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.CommitVolumeDown",	boost::bind(&LLPanelPrimMediaControls::onCommitVolumeDown, this));
 	mCommitCallbackRegistrar.add("MediaCtrl.Volume",	boost::bind(&LLPanelPrimMediaControls::onCommitVolumeSlider, this));
@@ -1246,26 +1248,38 @@ void LLPanelPrimMediaControls::setCurrentURL()
 #endif	// USE_COMBO_BOX_FOR_MEDIA_URL
 }
 
-void LLPanelPrimMediaControls::onCommitSlider()
+
+void LLPanelPrimMediaControls::onMediaPlaySliderCtrlMouseDown()
 {
-	focusOnTarget();
+	mMediaPlaySliderCtrlMouseDownValue = mMediaPlaySliderCtrl->getValue().asReal();
 
-	LLViewerMediaImpl* media_impl = getTargetMediaImpl();
-	if (media_impl) 
+	mUpdateSlider = false;
+}
+
+void LLPanelPrimMediaControls::onMediaPlaySliderCtrlMouseUp()
+{
+	F64 cur_value = mMediaPlaySliderCtrl->getValue().asReal();
+
+	if (mMediaPlaySliderCtrlMouseDownValue != cur_value)
 	{
-		// get slider value
-		F64 slider_value = mMediaPlaySliderCtrl->getValue().asReal();
-		if(slider_value <= 0.0)
-		{	
-			media_impl->stop();
-		}
-		else 
+		focusOnTarget();
+
+		LLViewerMediaImpl* media_impl = getTargetMediaImpl();
+		if (media_impl)
 		{
-			media_impl->seek(slider_value*mMovieDuration);
-			//mUpdateSlider= false;
+			if (cur_value <= 0.0)
+			{
+				media_impl->stop();
+			}
+			else
+			{
+				media_impl->seek(cur_value * mMovieDuration);
+			}
 		}
+
+		mUpdateSlider = true;
 	}
-}		
+}
 
 void LLPanelPrimMediaControls::onCommitVolumeUp()
 {
diff --git a/indra/newview/llpanelprimmediacontrols.h b/indra/newview/llpanelprimmediacontrols.h
index 6d2eb3430e..21d5236074 100644
--- a/indra/newview/llpanelprimmediacontrols.h
+++ b/indra/newview/llpanelprimmediacontrols.h
@@ -107,8 +107,10 @@ private:
 	
 	void updateZoom();
 	void setCurrentURL();
-	void onCommitSlider();
-	
+
+	void onMediaPlaySliderCtrlMouseDown();
+	void onMediaPlaySliderCtrlMouseUp();
+
 	void onCommitVolumeUp();
 	void onCommitVolumeDown();
 	void onCommitVolumeSlider();
@@ -219,6 +221,8 @@ private:
 	S32 mVolumeSliderVisible;
 
 	LLNotificationPtr mActiveNotification;
+
+	F64 mMediaPlaySliderCtrlMouseDownValue;
 };
 
 #endif // LL_PANELPRIMMEDIACONTROLS_H
diff --git a/indra/newview/llsecapi.cpp b/indra/newview/llsecapi.cpp
index 4f9f83b6f2..72d7cf1e45 100644
--- a/indra/newview/llsecapi.cpp
+++ b/indra/newview/llsecapi.cpp
@@ -29,6 +29,8 @@
 #include "llviewerprecompiledheaders.h"
 #include "llsecapi.h"
 #include "llsechandler_basic.h"
+#include "llexception.h"
+#include "stringize.h"
 #include <openssl/evp.h>
 #include <openssl/err.h>
 #include <map>
@@ -64,12 +66,12 @@ void initializeSecHandler()
 		}
 		catch (LLProtectedDataException e)
 		{
-			exception_msg = e.getMessage();
+			exception_msg = e.what();
 		}
 	}
 	if (!exception_msg.empty())  // an exception was thrown.
 	{
-		throw LLProtectedDataException(exception_msg.c_str());
+		LLTHROW(LLProtectedDataException(exception_msg));
 	}
 
 }
@@ -101,6 +103,7 @@ std::ostream& operator <<(std::ostream& s, const LLCredential& cred)
 LLSD LLCredential::getLoginParams()
 {
 	LLSD result = LLSD::emptyMap();
+	std::string username;
 	try 
 	{
 		if (mIdentifier["type"].asString() == "agent")
@@ -109,17 +112,19 @@ LLSD LLCredential::getLoginParams()
 			result["passwd"] = "$1$" + mAuthenticator["secret"].asString();
 			result["first"] = mIdentifier["first_name"];
 			result["last"] = mIdentifier["last_name"];
-		
+			username = result["first"].asString() + " " + result["last"].asString();
 		}
 		else if (mIdentifier["type"].asString() == "account")
 		{
 			result["username"] = mIdentifier["account_name"];
 			result["passwd"] = mAuthenticator["secret"];
-										
+			username = result["username"].asString();
 		}
 	}
 	catch (...)
 	{
+		// nat 2016-08-18: not clear what exceptions the above COULD throw?!
+		LOG_UNHANDLED_EXCEPTION(STRINGIZE("for '" << username << "'"));
 		// we could have corrupt data, so simply return a null login param if so
 		LL_WARNS("AppInit") << "Invalid credential" << LL_ENDL;
 	}
diff --git a/indra/newview/llsecapi.h b/indra/newview/llsecapi.h
index 6fe3ee31cf..6af5a28fa5 100644
--- a/indra/newview/llsecapi.h
+++ b/indra/newview/llsecapi.h
@@ -32,6 +32,7 @@
 #include <openssl/x509.h>
 #include <ostream>
 #include "llpointer.h"
+#include "llexception.h"
 
 #ifdef LL_WINDOWS
 #pragma warning(disable:4250)
@@ -116,17 +117,13 @@
 
 
 
-class LLProtectedDataException
+struct LLProtectedDataException: public LLException
 {
-public:
-	LLProtectedDataException(const char *msg) 
+	LLProtectedDataException(const std::string& msg):
+		LLException(msg)
 	{
-		LL_WARNS("SECAPI") << "Protected Data Error: " << (std::string)msg << LL_ENDL;
-		mMsg = (std::string)msg;
+		LL_WARNS("SECAPI") << "Protected Data Error: " << msg << LL_ENDL;
 	}
-	std::string getMessage() { return mMsg; }
-protected:
-	std::string mMsg;
 };
 
 // class LLCertificate
@@ -334,22 +331,21 @@ std::ostream& operator <<(std::ostream& s, const LLCredential& cred);
 
 // All error handling is via exceptions.
 
-class LLCertException
+class LLCertException: public LLException
 {
 public:
-	LLCertException(LLPointer<LLCertificate> cert, const char* msg)
+	LLCertException(LLPointer<LLCertificate> cert, const std::string& msg):
+		LLException(msg)
 	{
 
 		mCert = cert;
 
-		LL_WARNS("SECAPI") << "Certificate Error: " << (std::string)msg << LL_ENDL;
-		mMsg = (std::string)msg;
+		LL_WARNS("SECAPI") << "Certificate Error: " << msg << LL_ENDL;
 	}
-	LLPointer<LLCertificate> getCert() { return mCert; }
-	std::string getMessage() { return mMsg; }
+	virtual ~LLCertException() throw() {}
+	LLPointer<LLCertificate> getCert() const { return mCert; }
 protected:
 	LLPointer<LLCertificate> mCert;
-	std::string mMsg;
 };
 
 class LLInvalidCertificate : public LLCertException
@@ -358,6 +354,7 @@ public:
 	LLInvalidCertificate(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertInvalid")
 	{
 	}
+	virtual ~LLInvalidCertificate() throw() {}
 protected:
 };
 
@@ -367,6 +364,7 @@ public:
 	LLCertValidationTrustException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertUntrusted")
 	{
 	}
+	virtual ~LLCertValidationTrustException() throw() {}
 protected:
 };
 
@@ -378,7 +376,7 @@ public:
 	{
 		mHostname = hostname;
 	}
-	
+	virtual ~LLCertValidationHostnameException() throw() {}
 	std::string getHostname() { return mHostname; }
 protected:
 	std::string mHostname;
@@ -392,6 +390,7 @@ public:
 	{
 		mTime = current_time;
 	}
+	virtual ~LLCertValidationExpirationException() throw() {}
 	LLDate GetTime() { return mTime; }
 protected:
 	LLDate mTime;
@@ -403,6 +402,7 @@ public:
 	LLCertKeyUsageValidationException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertKeyUsage")
 	{
 	}
+	virtual ~LLCertKeyUsageValidationException() throw() {}
 protected:
 };
 
@@ -412,6 +412,7 @@ public:
 	LLCertBasicConstraintsValidationException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertBasicConstraints")
 	{
 	}
+	virtual ~LLCertBasicConstraintsValidationException() throw() {}
 protected:
 };
 
@@ -421,6 +422,7 @@ public:
 	LLCertValidationInvalidSignatureException(LLPointer<LLCertificate> cert) : LLCertException(cert, "CertInvalidSignature")
 	{
 	}
+	virtual ~LLCertValidationInvalidSignatureException() throw() {}
 protected:
 };
 
diff --git a/indra/newview/llsechandler_basic.cpp b/indra/newview/llsechandler_basic.cpp
index 40516f9bbb..d6fb801cc0 100644
--- a/indra/newview/llsechandler_basic.cpp
+++ b/indra/newview/llsechandler_basic.cpp
@@ -35,6 +35,8 @@
 #include "llfile.h"
 #include "lldir.h"
 #include "llviewercontrol.h"
+#include "llexception.h"
+#include "stringize.h"
 #include <vector>
 #include <ios>
 #include <openssl/ossl_typ.h>
@@ -72,14 +74,14 @@ LLBasicCertificate::LLBasicCertificate(const std::string& pem_cert)
 	if(pem_bio == NULL)
 	{
 		LL_WARNS("SECAPI") << "Could not allocate an openssl memory BIO." << LL_ENDL;
-		throw LLInvalidCertificate(this);
+		LLTHROW(LLInvalidCertificate(this));
 	}
 	mCert = NULL;
 	PEM_read_bio_X509(pem_bio, &mCert, 0, NULL);
 	BIO_free(pem_bio);
 	if (!mCert)
 	{
-		throw LLInvalidCertificate(this);
+		LLTHROW(LLInvalidCertificate(this));
 	}
 }
 
@@ -88,7 +90,7 @@ LLBasicCertificate::LLBasicCertificate(X509* pCert)
 {
 	if (!pCert || !pCert->cert_info)
 	{
-		throw LLInvalidCertificate(this);
+		LLTHROW(LLInvalidCertificate(this));
 	}	
 	mCert = X509_dup(pCert);
 }
@@ -617,7 +619,7 @@ void LLBasicCertificateStore::load_from_file(const std::string& filename)
 				}
 				catch (...)
 				{
-					LL_WARNS("SECAPI") << "Failure creating certificate from the certificate store file." << LL_ENDL;
+					LOG_UNHANDLED_EXCEPTION("creating certificate from the certificate store file");
 				}
 				X509_free(cert_x509);
 				cert_x509 = NULL;
@@ -873,22 +875,22 @@ void _validateCert(int validation_policy,
 	// check basic properties exist in the cert
 	if(!current_cert_info.has(CERT_SUBJECT_NAME) || !current_cert_info.has(CERT_SUBJECT_NAME_STRING))
 	{
-		throw LLCertException(cert, "Cert doesn't have a Subject Name");				
+		LLTHROW(LLCertException(cert, "Cert doesn't have a Subject Name"));
 	}
 	
 	if(!current_cert_info.has(CERT_ISSUER_NAME_STRING))
 	{
-		throw LLCertException(cert, "Cert doesn't have an Issuer Name");				
+		LLTHROW(LLCertException(cert, "Cert doesn't have an Issuer Name"));
 	}
 	
 	// check basic properties exist in the cert
 	if(!current_cert_info.has(CERT_VALID_FROM) || !current_cert_info.has(CERT_VALID_TO))
 	{
-		throw LLCertException(cert, "Cert doesn't have an expiration period");				
+		LLTHROW(LLCertException(cert, "Cert doesn't have an expiration period"));
 	}
 	if (!current_cert_info.has(CERT_SHA1_DIGEST))
 	{
-		throw LLCertException(cert, "No SHA1 digest");
+		LLTHROW(LLCertException(cert, "No SHA1 digest"));
 	}
 
 	if (validation_policy & VALIDATION_POLICY_TIME)
@@ -903,7 +905,7 @@ void _validateCert(int validation_policy,
 		if((validation_date < current_cert_info[CERT_VALID_FROM].asDate()) ||
 		   (validation_date > current_cert_info[CERT_VALID_TO].asDate()))
 		{
-			throw LLCertValidationExpirationException(cert, validation_date);
+			LLTHROW(LLCertValidationExpirationException(cert, validation_date));
 		}
 	}
 	if (validation_policy & VALIDATION_POLICY_SSL_KU)
@@ -914,14 +916,14 @@ void _validateCert(int validation_policy,
 			!(_LLSDArrayIncludesValue(current_cert_info[CERT_KEY_USAGE], 
 									  LLSD((std::string)CERT_KU_KEY_ENCIPHERMENT)))))
 		{
-			throw LLCertKeyUsageValidationException(cert);
+			LLTHROW(LLCertKeyUsageValidationException(cert));
 		}
 		// only validate EKU if the cert has it
 		if(current_cert_info.has(CERT_EXTENDED_KEY_USAGE) && current_cert_info[CERT_EXTENDED_KEY_USAGE].isArray() &&	   
 		   (!_LLSDArrayIncludesValue(current_cert_info[CERT_EXTENDED_KEY_USAGE], 
 									LLSD((std::string)CERT_EKU_SERVER_AUTH))))
 		{
-			throw LLCertKeyUsageValidationException(cert);			
+			LLTHROW(LLCertKeyUsageValidationException(cert));
 		}
 	}
 	if (validation_policy & VALIDATION_POLICY_CA_KU)
@@ -930,7 +932,7 @@ void _validateCert(int validation_policy,
 			(!_LLSDArrayIncludesValue(current_cert_info[CERT_KEY_USAGE], 
 									   (std::string)CERT_KU_CERT_SIGN)))
 			{
-				throw LLCertKeyUsageValidationException(cert);						
+				LLTHROW(LLCertKeyUsageValidationException(cert));
 			}
 	}
 	
@@ -942,13 +944,13 @@ void _validateCert(int validation_policy,
 		if(!current_cert_info[CERT_BASIC_CONSTRAINTS].has(CERT_BASIC_CONSTRAINTS_CA) ||
 		   !current_cert_info[CERT_BASIC_CONSTRAINTS][CERT_BASIC_CONSTRAINTS_CA])
 		{
-				throw LLCertBasicConstraintsValidationException(cert);
+				LLTHROW(LLCertBasicConstraintsValidationException(cert));
 		}
 		if (current_cert_info[CERT_BASIC_CONSTRAINTS].has(CERT_BASIC_CONSTRAINTS_PATHLEN) &&
 			((current_cert_info[CERT_BASIC_CONSTRAINTS][CERT_BASIC_CONSTRAINTS_PATHLEN].asInteger() != 0) &&
 			 (depth > current_cert_info[CERT_BASIC_CONSTRAINTS][CERT_BASIC_CONSTRAINTS_PATHLEN].asInteger())))
 		{
-			throw LLCertBasicConstraintsValidationException(cert);					
+			LLTHROW(LLCertBasicConstraintsValidationException(cert));
 		}
 	}
 }
@@ -1018,7 +1020,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 
 	if(cert_chain->size() < 1)
 	{
-		throw LLCertException(NULL, "No certs in chain");
+		LLTHROW(LLCertException(NULL, "No certs in chain"));
 	}
 	iterator current_cert = cert_chain->begin();
 	LLSD 	current_cert_info;
@@ -1033,11 +1035,11 @@ void LLBasicCertificateStore::validate(int validation_policy,
 		(*current_cert)->getLLSD(current_cert_info);
 		if(!validation_params.has(CERT_HOSTNAME))
 		{
-			throw LLCertException((*current_cert), "No hostname passed in for validation");			
+			LLTHROW(LLCertException((*current_cert), "No hostname passed in for validation"));
 		}
 		if(!current_cert_info.has(CERT_SUBJECT_NAME) || !current_cert_info[CERT_SUBJECT_NAME].has(CERT_NAME_CN))
 		{
-			throw LLInvalidCertificate((*current_cert));				
+			LLTHROW(LLInvalidCertificate((*current_cert)));
 		}
 		
 		LL_DEBUGS("SECAPI") << "Validating the hostname " << validation_params[CERT_HOSTNAME].asString() << 
@@ -1054,7 +1056,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 	X509* cert_x509 = (*current_cert)->getOpenSSLX509();
 	if(!cert_x509)
 	{
-		throw LLInvalidCertificate((*current_cert));			
+		LLTHROW(LLInvalidCertificate((*current_cert)));
 	}
 	std::string sha1_hash((const char *)cert_x509->sha1_hash, SHA_DIGEST_LENGTH);
 	X509_free( cert_x509 );
@@ -1075,7 +1077,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 			if((validation_date < cache_entry->second.first) ||
 			   (validation_date > cache_entry->second.second))
 			{
-				throw LLCertValidationExpirationException((*current_cert), validation_date);
+				LLTHROW(LLCertValidationExpirationException((*current_cert), validation_date));
 			}
 		}
 		// successfully found in cache
@@ -1107,7 +1109,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 			if(!_verify_signature((*current_cert),
 								  previous_cert))
 			{
-			   throw LLCertValidationInvalidSignatureException(previous_cert);
+			   LLTHROW(LLCertValidationInvalidSignatureException(previous_cert));
 			}
 		}
 		_validateCert(local_validation_policy,
@@ -1156,7 +1158,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 			if(!_verify_signature((*found_store_cert),
 								  (*current_cert)))
 			{
-				throw LLCertValidationInvalidSignatureException(*current_cert);
+				LLTHROW(LLCertValidationInvalidSignatureException(*current_cert));
 			}			
 			// successfully validated.
 			mTrustedCertCache[sha1_hash] = std::pair<LLDate, LLDate>(from_time, to_time);		
@@ -1173,7 +1175,7 @@ void LLBasicCertificateStore::validate(int validation_policy,
 	if (validation_policy & VALIDATION_POLICY_TRUSTED)
 	{
 		// we reached the end without finding a trusted cert.
-		throw LLCertValidationTrustException((*cert_chain)[cert_chain->size()-1]);
+		LLTHROW(LLCertValidationTrustException((*cert_chain)[cert_chain->size()-1]));
 
 	}
 	mTrustedCertCache[sha1_hash] = std::pair<LLDate, LLDate>(from_time, to_time);	
@@ -1261,7 +1263,7 @@ void LLSecAPIBasicHandler::_readProtectedData()
 		protected_data_stream.read((char *)salt, STORE_SALT_SIZE);
 		if (protected_data_stream.gcount() < STORE_SALT_SIZE)
 		{
-			throw LLProtectedDataException("Config file too short.");
+			LLTHROW(LLProtectedDataException("Config file too short."));
 		}
 
 		cipher.decrypt(salt, STORE_SALT_SIZE);		
@@ -1301,7 +1303,7 @@ void LLSecAPIBasicHandler::_readProtectedData()
 		if (parser->parse(parse_stream, mProtectedDataMap, 
 						  LLSDSerialize::SIZE_UNLIMITED) == LLSDParser::PARSE_FAILURE)
 		{
-			throw LLProtectedDataException("Config file cannot be decrypted.");
+			LLTHROW(LLProtectedDataException("Config file cannot be decrypted."));
 		}
 	}
 }
@@ -1364,7 +1366,7 @@ void LLSecAPIBasicHandler::_writeProtectedData()
 	}
 	catch (...)
 	{
-		LL_WARNS() << "LLProtectedDataException(Error writing Protected Data Store)" << LL_ENDL;
+		LOG_UNHANDLED_EXCEPTION("LLProtectedDataException(Error writing Protected Data Store)");
 		// it's good practice to clean up any secure information on error
 		// (even though this file isn't really secure.  Perhaps in the future
 		// it may be, however.
@@ -1372,39 +1374,39 @@ void LLSecAPIBasicHandler::_writeProtectedData()
 
 		// EXP-1825 crash in LLSecAPIBasicHandler::_writeProtectedData()
 		// Decided throwing an exception here was overkill until we figure out why this happens
-		//throw LLProtectedDataException("Error writing Protected Data Store");
+		//LLTHROW(LLProtectedDataException("Error writing Protected Data Store"));
 	}
 
-    try
-    {
-        // move the temporary file to the specified file location.
-        if(((   (LLFile::isfile(mProtectedDataFilename) != 0)
-             && (LLFile::remove(mProtectedDataFilename) != 0)))
-           || (LLFile::rename(tmp_filename, mProtectedDataFilename)))
-        {
-            LL_WARNS() << "LLProtectedDataException(Could not overwrite protected data store)" << LL_ENDL;
-            LLFile::remove(tmp_filename);
+	try
+	{
+		// move the temporary file to the specified file location.
+		if(((	(LLFile::isfile(mProtectedDataFilename) != 0)
+			 && (LLFile::remove(mProtectedDataFilename) != 0)))
+		   || (LLFile::rename(tmp_filename, mProtectedDataFilename)))
+		{
+			LL_WARNS() << "LLProtectedDataException(Could not overwrite protected data store)" << LL_ENDL;
+			LLFile::remove(tmp_filename);
 
-            // EXP-1825 crash in LLSecAPIBasicHandler::_writeProtectedData()
-            // Decided throwing an exception here was overkill until we figure out why this happens
-            //throw LLProtectedDataException("Could not overwrite protected data store");
-        }
+			// EXP-1825 crash in LLSecAPIBasicHandler::_writeProtectedData()
+			// Decided throwing an exception here was overkill until we figure out why this happens
+			//LLTHROW(LLProtectedDataException("Could not overwrite protected data store"));
+		}
 	}
 	catch (...)
 	{
-		LL_WARNS() << "LLProtectedDataException(Error renaming '" << tmp_filename
-                   << "' to '" << mProtectedDataFilename << "')" << LL_ENDL;
+		LOG_UNHANDLED_EXCEPTION(STRINGIZE("renaming '" << tmp_filename << "' to '"
+										  << mProtectedDataFilename << "'"));
 		// it's good practice to clean up any secure information on error
 		// (even though this file isn't really secure.  Perhaps in the future
-		// it may be, however.
+		// it may be, however).
 		LLFile::remove(tmp_filename);
 
 		//crash in LLSecAPIBasicHandler::_writeProtectedData()
 		// Decided throwing an exception here was overkill until we figure out why this happens
-		//throw LLProtectedDataException("Error writing Protected Data Store");
+		//LLTHROW(LLProtectedDataException("Error writing Protected Data Store"));
 	}
 }
-		
+
 // instantiate a certificate from a pem string
 LLPointer<LLCertificate> LLSecAPIBasicHandler::getCertificate(const std::string& pem_cert)
 {
diff --git a/indra/newview/llsurfacepatch.cpp b/indra/newview/llsurfacepatch.cpp
index 2d06b8599c..d28a7cc048 100644
--- a/indra/newview/llsurfacepatch.cpp
+++ b/indra/newview/llsurfacepatch.cpp
@@ -230,8 +230,8 @@ void LLSurfacePatch::eval(const U32 x, const U32 y, const U32 stride, LLVector3
 	const F32 xyScaleInv = (1.f / xyScale)*(0.2222222222f);
 
 	F32 vec[3] = {
-					fmod((F32)(mOriginGlobal.mdV[0] + x)*xyScaleInv, 256.f),
-					fmod((F32)(mOriginGlobal.mdV[1] + y)*xyScaleInv, 256.f),
+                    (F32)fmod((F32)(mOriginGlobal.mdV[0] + x)*xyScaleInv, 256.f),
+                    (F32)fmod((F32)(mOriginGlobal.mdV[1] + y)*xyScaleInv, 256.f),
 					0.f
 				};
 	F32 rand_val = llclamp(noise2(vec)* 0.75f + 0.5f, 0.f, 1.f);
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 46f03f9971..39059fc01e 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -7908,7 +7908,7 @@ void handle_web_browser_test(const LLSD& param)
 void handle_web_content_test(const LLSD& param)
 {
 	std::string url = param.asString();
-	LLWeb::loadURLInternal(url);
+	LLWeb::loadURLInternal(url, LLStringUtil::null, LLStringUtil::null, true);
 }
 
 void handle_show_url(const LLSD& param)
diff --git a/indra/newview/llweb.cpp b/indra/newview/llweb.cpp
index b37e41fb85..8026dc3ea8 100644
--- a/indra/newview/llweb.cpp
+++ b/indra/newview/llweb.cpp
@@ -104,10 +104,10 @@ void LLWeb::loadURL(const std::string& url, const std::string& target, const std
 
 // static
 // Explicitly open a Web URL using the Web content floater
-void LLWeb::loadURLInternal(const std::string &url, const std::string& target, const std::string& uuid)
+void LLWeb::loadURLInternal(const std::string &url, const std::string& target, const std::string& uuid, bool dev_mode)
 {
 	LLFloaterWebContent::Params p;
-	p.url(url).target(target).id(uuid);
+	p.url(url).target(target).id(uuid).dev_mode(dev_mode);
 	LLFloaterReg::showInstance("web_content", p);
 }
 
diff --git a/indra/newview/llweb.h b/indra/newview/llweb.h
index 7c90badbfe..7149ce9baf 100644
--- a/indra/newview/llweb.h
+++ b/indra/newview/llweb.h
@@ -57,7 +57,7 @@ public:
 
 	static void loadURL(const std::string& url, const std::string& target = LLStringUtil::null, const std::string& uuid = LLStringUtil::null);
 	// load content using built-in browser
-	static void loadURLInternal(const std::string &url, const std::string& target = LLStringUtil::null, const std::string& uuid = LLStringUtil::null);
+	static void loadURLInternal(const std::string &url, const std::string& target = LLStringUtil::null, const std::string& uuid = LLStringUtil::null, bool dev_mode = false);
 
 	/// Returns escaped url (eg, " " to "%20") - used by all loadURL methods
 	static std::string escapeURL(const std::string& url);
diff --git a/indra/newview/llworld.cpp b/indra/newview/llworld.cpp
index 11d3706821..cee47a591e 100644
--- a/indra/newview/llworld.cpp
+++ b/indra/newview/llworld.cpp
@@ -957,10 +957,10 @@ void LLWorld::updateWaterObjects()
 	center_y = min_y + (wy >> 1);
 
 	S32 add_boundary[4] = {
-		512 - (max_x - region_x),
-		512 - (max_y - region_y),
-		512 - (region_x - min_x),
-		512 - (region_y - min_y) };
+		(S32)(512 - (max_x - region_x)),
+		(S32)(512 - (max_y - region_y)),
+		(S32)(512 - (region_x - min_x)),
+		(S32)(512 - (region_y - min_y)) };
 		
 	S32 dir;
 	for (dir = 0; dir < 8; dir++)
diff --git a/indra/newview/skins/default/textures/icons/Video_URL_Off.png b/indra/newview/skins/default/textures/icons/Video_URL_Off.png
new file mode 100644
index 0000000000..40e5df7d81
--- /dev/null
+++ b/indra/newview/skins/default/textures/icons/Video_URL_Off.png
diff --git a/indra/newview/skins/default/textures/textures.xml b/indra/newview/skins/default/textures/textures.xml
index 49a848a260..760c294f90 100644
--- a/indra/newview/skins/default/textures/textures.xml
+++ b/indra/newview/skins/default/textures/textures.xml
@@ -677,7 +677,10 @@ with the same filename but different name
   <texture name="Unread_Chiclet" file_name="bottomtray/Unread_Chiclet.png" preload="false" />
 
   <texture name="UpArrow_Off" file_name="icons/UpArrow_Off.png" preload="false" />
-	<texture name="Vertical Drag Handle" file_name="widgets/vertical_drag_handle.png" scale.left="2" scale.right="7" scale.bottom="8" scale.top="120"  scale_type="scale_outer"/>
+
+  <texture name="Video_URL_Off" file_name="icons/Video_URL_Off.png" preload="true" />
+  
+  <texture name="Vertical Drag Handle" file_name="widgets/vertical_drag_handle.png" scale.left="2" scale.right="7" scale.bottom="8" scale.top="120"  scale_type="scale_outer"/>
 
     <texture name="Volume_Background" file_name="windows/Volume_Background.png" preload="false"
            scale.left="6" scale.top="33" scale.right="63" scale.bottom="10" />
diff --git a/indra/newview/skins/default/xui/en/floater_web_content.xml b/indra/newview/skins/default/xui/en/floater_web_content.xml
index a80440e844..4473ce0cda 100644
--- a/indra/newview/skins/default/xui/en/floater_web_content.xml
+++ b/indra/newview/skins/default/xui/en/floater_web_content.xml
@@ -154,6 +154,136 @@
       </button>
     </layout_panel>
     <layout_panel
+     height="22"
+     layout="topleft"
+     left_delta="0"
+     name="debug_controls"
+     top_delta="0"
+     auto_resize="false"
+     width="585">
+      <button
+        image_overlay="Home_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="Web tests home page"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="1"
+        name="web_test_home_page"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/ceftests.html"/>
+      </button>
+
+      <button
+        image_overlay="Video_URL_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="MPEG4 Video Test"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="27"
+        name="VLC Plugin Test"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/sample_media/ss.mp4"/>
+      </button>
+      <button
+        image_overlay="Video_URL_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="MKV Video Test"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="51"
+        name="VLC Plugin Test"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/sample_media/jellyfish.mkv"/>
+      </button>
+      <button
+        image_overlay="Video_URL_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="WebM Video Test"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="75"
+        name="VLC Plugin Test"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/sample_media/jumprope.webm"/>
+      </button>
+      <button
+        image_overlay="Video_URL_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="MP3 audio Test"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="99"
+        name="VLC Plugin Test"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/alegria.mp3"/>
+      </button>
+      <button
+        image_overlay="Video_URL_Off"
+            image_disabled="PushButton_Disabled"
+            image_disabled_selected="PushButton_Disabled"
+            image_selected="PushButton_Selected"
+            image_unselected="PushButton_Off"
+        chrome="true"
+        tool_tip="FLV Test"
+        enabled="true"
+        follows="left|top"
+        height="22"
+        layout="topleft"
+        left="123"
+        name="VLC Plugin Test"
+        top="0"
+        width="22">
+        <button.commit_callback
+          function="WebContent.TestURL"
+          parameter="https://callum-linden.s3.amazonaws.com/sample_media/vandal.flv"/>
+      </button>
+    </layout_panel>
+    <layout_panel
       height="40"
       layout="topleft"
       left_delta="0"
diff --git a/indra/newview/skins/default/xui/en/menu_login.xml b/indra/newview/skins/default/xui/en/menu_login.xml
index dcf2da52f1..a39ee5fddd 100644
--- a/indra/newview/skins/default/xui/en/menu_login.xml
+++ b/indra/newview/skins/default/xui/en/menu_login.xml
@@ -225,11 +225,11 @@
              parameter="message_critical" />
         </menu_item_call>
       <menu_item_call
-       label="Web Content Floater Debug Test"
-       name="Web Content Floater Debug Test">
+       label="Media Browser"
+       name="Media Browser">
         <menu_item_call.on_click
          function="Advanced.WebContentTest"
-         parameter="https://callum-linden.s3.amazonaws.com/ceftests.html"/>
+         parameter="http://google.com"/>
       </menu_item_call>
       <menu
        create_jump_keys="true"
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index b189d1038f..8a649a57d1 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -3141,30 +3141,13 @@
          label="UI"
          name="UI"
          tear_off="true">
-         <!--   <menu_item_check
-             label="New Bottom Bar"
-             name="New Bottom Bar">
-                <menu_item_check.on_check
-                 function="CheckControl"
-                 parameter="BottomPanelNew" />
-                <menu_item_check.on_click
-                 function="ToggleControl"
-                 parameter="BottomPanelNew" />
-            </menu_item_check>-->
-            <menu_item_call
-             label="Media Browser Test"
-             name="Web Browser Test">
-                <menu_item_call.on_click
-                 function="Advanced.WebBrowserTest"
-                 parameter="http://secondlife.com/app/search/slurls.html"/>
-            </menu_item_call>
           <menu_item_call
-           label="Web Content Browser"
-           name="Web Content Browser"
-           shortcut="control|shift|Z">
+           label="Media Browser"
+           name="Media Browser"
+           shortcut="control|alt|shift|Z">
             <menu_item_call.on_click
              function="Advanced.WebContentTest"
-             parameter="https://callum-linden.s3.amazonaws.com/ceftests.html"/>
+             parameter="http://google.com"/>
           </menu_item_call>
           <menu_item_call
            label="FB Connect Test"
diff --git a/indra/newview/skins/default/xui/en/mime_types.xml b/indra/newview/skins/default/xui/en/mime_types.xml
index 7cb4a6e53b..c27fac6731 100644
--- a/indra/newview/skins/default/xui/en/mime_types.xml
+++ b/indra/newview/skins/default/xui/en/mime_types.xml
@@ -130,10 +130,21 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_cef
 		</impl>
 	</scheme>
-	<mimetype name="blank">
+  <scheme name="libvlc">
+    <label name="libvlc_label">
+      LibVLC supported media
+    </label>
+    <widgettype>
+      movie
+    </widgettype>
+    <impl>
+      media_plugin_libvlc
+    </impl>
+  </scheme>
+  <mimetype name="blank">
 		<label name="blank_label">
 			- None -
 		</label>
@@ -163,7 +174,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/*">
@@ -174,7 +185,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="image/*">
@@ -196,7 +207,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="application/javascript">
@@ -218,7 +229,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_cef
 		</impl>
 	</mimetype>
 	<mimetype name="application/pdf">
@@ -295,7 +306,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_cef
 		</impl>
 	</mimetype>
 	<mimetype name="audio/mpeg">
@@ -306,7 +317,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="audio/x-aiff">
@@ -317,7 +328,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="audio/x-wav">
@@ -328,7 +339,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype menu="1" name="image/bmp">
@@ -438,7 +449,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/mp4">
@@ -449,10 +460,21 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
-	<mimetype menu="1" name="video/quicktime">
+  <mimetype name="application/octet-stream">
+    <label name="video/octet-stream">
+      Movie
+    </label>
+    <widgettype>
+      movie
+    </widgettype>
+    <impl>
+      media_plugin_libvlc
+    </impl>
+  </mimetype>
+  <mimetype menu="1" name="video/quicktime">
 		<label name="video/quicktime_label">
 			Movie (QuickTime)
 		</label>
@@ -460,7 +482,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/x-ms-asf">
@@ -471,7 +493,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/x-ms-wmv">
@@ -482,7 +504,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_cef
 		</impl>
 	</mimetype>
 	<mimetype menu="1" name="video/x-msvideo">
@@ -493,7 +515,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_quicktime
+			media_plugin_cef
 		</impl>
 	</mimetype>
 </mimetypes>
diff --git a/indra/newview/skins/default/xui/en/mime_types_linux.xml b/indra/newview/skins/default/xui/en/mime_types_linux.xml
index 84aeaf3b54..7188b1e699 100644
--- a/indra/newview/skins/default/xui/en/mime_types_linux.xml
+++ b/indra/newview/skins/default/xui/en/mime_types_linux.xml
@@ -130,7 +130,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</scheme>
 	<mimetype name="blank">
@@ -163,7 +163,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/*">
@@ -174,7 +174,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="image/*">
@@ -196,7 +196,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="application/javascript">
@@ -218,7 +218,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="application/pdf">
@@ -295,7 +295,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="audio/mpeg">
@@ -306,7 +306,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="audio/x-aiff">
@@ -317,7 +317,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="audio/x-wav">
@@ -328,7 +328,7 @@
 			audio
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype menu="1" name="image/bmp">
@@ -438,7 +438,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/mp4">
@@ -449,7 +449,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype menu="1" name="video/quicktime">
@@ -460,7 +460,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/x-ms-asf">
@@ -471,7 +471,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype name="video/x-ms-wmv">
@@ -482,7 +482,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 	<mimetype menu="1" name="video/x-msvideo">
@@ -493,7 +493,7 @@
 			movie
 		</widgettype>
 		<impl>
-			media_plugin_gstreamer
+			media_plugin_libvlc
 		</impl>
 	</mimetype>
 </mimetypes>
diff --git a/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml b/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
index eb67d07601..068e4420bc 100644
--- a/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
+++ b/indra/newview/skins/default/xui/en/panel_prim_media_controls.xml
@@ -374,9 +374,11 @@
 		  layout="topleft"
 		  tool_tip="Movie play progress"
 		  width="200">
-		<slider_bar.commit_callback
-			function="MediaCtrl.JumpProgress" />
-	  </slider_bar>
+      <slider_bar.mouse_down_callback
+        function="MediaCtrl.MouseDown" />
+      <slider_bar.mouse_up_callback
+        function="MediaCtrl.MouseUp" />
+    </slider_bar>
 	</layout_panel>
 	<layout_panel
 		name="skip_back"
diff --git a/indra/newview/skins/default/xui/en/strings.xml b/indra/newview/skins/default/xui/en/strings.xml
index e6901b23f3..09c18f4bfc 100644
--- a/indra/newview/skins/default/xui/en/strings.xml
+++ b/indra/newview/skins/default/xui/en/strings.xml
@@ -51,13 +51,14 @@ OpenGL Version: [OPENGL_VERSION]
 J2C Decoder Version: [J2C_VERSION]
 Audio Driver Version: [AUDIO_DRIVER_VERSION]
 LLCEFLib/CEF Version: [LLCEFLIB_VERSION]
+LibVLC Version: [LIBVLC_VERSION]
 Voice Server Version: [VOICE_VERSION]
 	</string>
 	<string name="AboutTraffic">Packets Lost: [PACKETS_LOST,number,0]/[PACKETS_IN,number,0] ([PACKETS_PCT,number,1]%)</string>
 	<string name="AboutTime">[month, datetime, slt] [day, datetime, slt] [year, datetime, slt] [hour, datetime, slt]:[min, datetime, slt]:[second,datetime,slt]</string>
 	<string name="ErrorFetchingServerReleaseNotesURL">Error fetching server release notes URL.</string>
 	<string name="BuildConfiguration">Build Configuration</string>
-
+	
 	<!--  progress -->
 	<string name="ProgressRestoring">Restoring...</string>
 	<string name="ProgressChangingResolution">Changing resolution...</string>
diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index f3d89bb866..66d730d1ac 100755
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -444,6 +444,11 @@ class Windows_i686_Manifest(ViewerManifest):
             self.path("media_plugin_cef.dll")
             self.end_prefix()
 
+        # Media plugins - LibVLC
+        if self.prefix(src='../media_plugins/libvlc/%s' % self.args['configuration'], dst="llplugin"):
+            self.path("media_plugin_libvlc.dll")
+            self.end_prefix()
+
         # winmm.dll shim
         if self.prefix(src='../media_plugins/winmmshim/%s' % self.args['configuration'], dst=""):
             self.path("winmm.dll")
@@ -550,6 +555,12 @@ class Windows_i686_Manifest(ViewerManifest):
             self.path("zh-TW.pak")
             self.end_prefix()
 
+            if self.prefix(src=os.path.join(os.pardir, 'packages', 'bin', 'release'), dst="llplugin"):
+                self.path("libvlc.dll")
+                self.path("libvlccore.dll")
+                self.path("plugins/")
+                self.end_prefix()
+
         # pull in the crash logger and updater from other projects
         # tag:"crash-logger" here as a cue to the exporter
         self.path(src='../win_crash_logger/%s/windows-crash-logger.exe' % self.args['configuration'],
@@ -1089,8 +1100,18 @@ class LinuxManifest(ViewerManifest):
         # plugins
         if self.prefix(src="", dst="bin/llplugin"):
             self.path("../media_plugins/gstreamer010/libmedia_plugin_gstreamer010.so", "libmedia_plugin_gstreamer.so")
+            self.path("../media_plugins/libvlc/libmedia_plugin_libvlc.so", "libmedia_plugin_libvlc.so")
             self.end_prefix("bin/llplugin")
 
+        if self.prefix(src=os.path.join(os.pardir, 'packages', 'lib', 'vlc', 'plugins'), dst="bin/llplugin/vlc/plugins"):
+            self.path( "plugins.dat" )
+            self.path( "*/*.so" )
+            self.end_prefix()
+
+        if self.prefix(src=os.path.join(os.pardir, 'packages', 'lib' ), dst="lib"):
+            self.path( "libvlc*.so*" )
+            self.end_prefix()
+
         # llcommon
         if not self.path("../llcommon/libllcommon.so", "lib/libllcommon.so"):
             print "Skipping llcommon.so (assuming llcommon was linked statically)"
@@ -1144,7 +1165,7 @@ class LinuxManifest(ViewerManifest):
     def strip_binaries(self):
         if self.args['buildtype'].lower() == 'release' and self.is_packaging_viewer():
             print "* Going strip-crazy on the packaged binaries, since this is a RELEASE build"
-            self.run_command(r"find %(d)r/bin %(d)r/lib -type f \! -name update_install | xargs --no-run-if-empty strip -S" % {'d': self.get_dst_prefix()} ) # makes some small assumptions about our packaged dir structure
+            self.run_command(r"find %(d)r/bin %(d)r/lib -type f \! -name update_install \! -name *.dat | xargs --no-run-if-empty strip -S" % {'d': self.get_dst_prefix()} ) # makes some small assumptions about our packaged dir structure
 
 class Linux_i686_Manifest(LinuxManifest):
     def construct(self):