Put back QuickTime plugin code for OS X until a LibVLC version is created

indra/media_plugins/quicktime/CMakeLists.txt

+# -*- cmake -*-
+
+project(media_plugin_quicktime)
+
+include(00-Common)
+include(LLCommon)
+include(LLImage)
+include(LLPlugin)
+include(LLMath)
+include(LLRender)
+include(LLWindow)
+include(Linking)
+include(PluginAPI)
+include(MediaPluginBase)
+include(OpenGL)
+include(QuickTimePlugin)
+
+include_directories(
+    ${LLPLUGIN_INCLUDE_DIRS}
+    ${MEDIA_PLUGIN_BASE_INCLUDE_DIRS}
+    ${LLCOMMON_INCLUDE_DIRS}
+    ${LLMATH_INCLUDE_DIRS}
+    ${LLIMAGE_INCLUDE_DIRS}
+    ${LLRENDER_INCLUDE_DIRS}
+    ${LLWINDOW_INCLUDE_DIRS}
+)
+include_directories(SYSTEM
+    ${LLCOMMON_SYSTEM_INCLUDE_DIRS}
+    )
+
+if (DARWIN)
+    include(CMakeFindFrameworks)
+    find_library(CARBON_LIBRARY Carbon)
+endif (DARWIN)
+
+
+### media_plugin_quicktime
+
+set(media_plugin_quicktime_SOURCE_FILES
+    media_plugin_quicktime.cpp
+    )
+
+add_library(media_plugin_quicktime
+    SHARED
+    ${media_plugin_quicktime_SOURCE_FILES}
+)
+
+target_link_libraries(media_plugin_quicktime
+  ${LLPLUGIN_LIBRARIES}
+  ${MEDIA_PLUGIN_BASE_LIBRARIES}
+  ${LLCOMMON_LIBRARIES}
+  ${QUICKTIME_LIBRARY}
+  ${PLUGIN_API_WINDOWS_LIBRARIES}
+)
+
+add_dependencies(media_plugin_quicktime
+  ${LLPLUGIN_LIBRARIES}
+  ${MEDIA_PLUGIN_BASE_LIBRARIES}
+  ${LLCOMMON_LIBRARIES}
+)
+
+if (WINDOWS)
+  set_target_properties(
+    media_plugin_quicktime
+    PROPERTIES
+    LINK_FLAGS "/MANIFEST:NO"
+    )
+endif (WINDOWS)
+
+if (QUICKTIME)
+
+    add_definitions(-DLL_QUICKTIME_ENABLED=1)
+
+    if (DARWIN)
+      # Don't prepend 'lib' to the executable name, and don't embed a full path in the library's install name
+      set_target_properties(
+        media_plugin_quicktime
+        PROPERTIES
+        PREFIX ""
+        BUILD_WITH_INSTALL_RPATH 1
+        INSTALL_NAME_DIR "@executable_path"
+        LINK_FLAGS "-exported_symbols_list ${CMAKE_CURRENT_SOURCE_DIR}/../base/media_plugin_base.exp"
+      )
+
+# We use a bunch of deprecated system APIs.
+    set_source_files_properties(
+        media_plugin_quicktime.cpp PROPERTIES
+        COMPILE_FLAGS -Wno-deprecated-declarations
+        )
+    find_library(CARBON_LIBRARY Carbon)
+    target_link_libraries(media_plugin_quicktime ${CARBON_LIBRARY})
+  endif (DARWIN)
+endif (QUICKTIME)
+

indra/media_plugins/quicktime/media_plugin_quicktime.cpp

+/**
+ * @file media_plugin_quicktime.cpp
+ * @brief QuickTime plugin for LLMedia API plugin system
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+#include "linden_common.h"
+
+#include "llgl.h"
+ 
+#include "llplugininstance.h"
+#include "llpluginmessage.h"
+#include "llpluginmessageclasses.h"
+#include "media_plugin_base.h"
+ 
+#if LL_QUICKTIME_ENABLED
+ 
+#if defined(LL_DARWIN)
+#include <QuickTime/QuickTime.h>
+#elif defined(LL_WINDOWS)
+#include "llwin32headers.h"
+#include "MacTypes.h"
+#include "QTML.h"
+#include "Movies.h"
+#include "QDoffscreen.h"
+#include "FixMath.h"
+#include "QTLoadLibraryUtils.h"
+#endif
+
+
+
+// TODO: Make sure that the only symbol exported from this library is LLPluginInitEntryPoint
+////////////////////////////////////////////////////////////////////////////////
+//
+class MediaPluginQuickTime : public MediaPluginBase
+{
+public:
+	MediaPluginQuickTime(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data);
+	~MediaPluginQuickTime();
+
+	/* virtual */ void receiveMessage(const char *message_string);
+
+private:
+
+	int mNaturalWidth;
+	int mNaturalHeight;
+	Movie mMovieHandle;
+	GWorldPtr mGWorldHandle;
+	ComponentInstance mMovieController;
+	int mCurVolume;
+	bool mMediaSizeChanging;
+	bool mIsLooping;
+	std::string mMovieTitle;
+	bool mReceivedTitle;
+	const int mMinWidth;
+	const int mMaxWidth;
+	const int mMinHeight;
+	const int mMaxHeight;
+	F64 mPlayRate;
+	std::string mNavigateURL;
+
+	enum ECommand {
+		COMMAND_NONE,
+		COMMAND_STOP,
+		COMMAND_PLAY,
+		COMMAND_FAST_FORWARD,
+		COMMAND_FAST_REWIND,
+		COMMAND_PAUSE,
+		COMMAND_SEEK,
+	};
+	ECommand mCommand;
+
+	// Override this to add current time and duration to the message
+	/*virtual*/ void setDirty(int left, int top, int right, int bottom)
+	{
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "updated");
+
+		message.setValueS32("left", left);
+		message.setValueS32("top", top);
+		message.setValueS32("right", right);
+		message.setValueS32("bottom", bottom);
+
+		if(mMovieHandle)
+		{
+			message.setValueReal("current_time", getCurrentTime());
+			message.setValueReal("duration", getDuration());
+			message.setValueReal("current_rate", Fix2X(GetMovieRate(mMovieHandle)));
+		}
+
+		sendMessage(message);
+	}
+
+
+	static Rect rectFromSize(int width, int height)
+	{
+		Rect result;
+
+
+		result.left = 0;
+		result.top = 0;
+		result.right = width;
+		result.bottom = height;
+
+		return result;
+	}
+
+	Fixed getPlayRate(void)
+	{
+		Fixed result;
+		if(mPlayRate == 0.0f)
+		{
+			// Default to the movie's preferred rate
+			result = GetMoviePreferredRate(mMovieHandle);
+			if(result == 0)
+			{
+				// Don't return a 0 play rate, ever.
+				std::cerr << "Movie's preferred rate is 0, forcing to 1.0." << std::endl;
+				result = X2Fix(1.0f);
+			}
+		}
+		else
+		{
+			result = X2Fix(mPlayRate);
+		}
+
+		return result;
+	}
+
+	void load( const std::string url )
+	{
+
+		if ( url.empty() )
+			return;
+
+		// Stop and unload any existing movie before starting another one.
+		unload();
+
+		setStatus(STATUS_LOADING);
+
+		//In case std::string::c_str() makes a copy of the url data,
+		//make sure there is memory to hold it before allocating memory for handle.
+		//if fails, NewHandleClear(...) should return NULL.
+		const char* url_string = url.c_str() ;
+		Handle handle = NewHandleClear( ( Size )( url.length() + 1 ) );
+
+		if ( NULL == handle || noErr != MemError() || NULL == *handle )
+		{
+			setStatus(STATUS_ERROR);
+			return;
+		}
+
+		BlockMove( url_string, *handle, ( Size )( url.length() + 1 ) );
+
+		OSErr err = NewMovieFromDataRef( &mMovieHandle, newMovieActive | newMovieDontInteractWithUser | newMovieAsyncOK | newMovieIdleImportOK, nil, handle, URLDataHandlerSubType );
+		DisposeHandle( handle );
+		if ( noErr != err )
+		{
+			setStatus(STATUS_ERROR);
+			return;
+		};
+		
+		mNavigateURL = url;
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_begin");
+		message.setValue("uri", mNavigateURL);
+		sendMessage(message);
+
+		// do pre-roll actions (typically fired for streaming movies but not always)
+		PrePrerollMovie( mMovieHandle, 0, getPlayRate(), moviePrePrerollCompleteCallback, ( void * )this );
+
+		Rect movie_rect = rectFromSize(mWidth, mHeight);
+
+		// make a new movie controller
+		mMovieController = NewMovieController( mMovieHandle, &movie_rect, mcNotVisible | mcTopLeftMovie );
+
+		// movie controller
+		MCSetActionFilterWithRefCon( mMovieController, mcActionFilterCallBack, ( long )this );
+
+		SetMoviePlayHints( mMovieHandle, hintsAllowDynamicResize, hintsAllowDynamicResize );
+
+		// function that gets called when a frame is drawn
+		SetMovieDrawingCompleteProc( mMovieHandle, movieDrawingCallWhenChanged, movieDrawingCompleteCallback, ( long )this );
+
+		setStatus(STATUS_LOADED);
+
+		sizeChanged();
+	};
+
+	bool unload()
+	{
+		// new movie and have to get title again
+		mReceivedTitle = false;
+
+		if ( mMovieHandle )
+		{
+			StopMovie( mMovieHandle );
+			if ( mMovieController )
+			{
+				MCMovieChanged( mMovieController, mMovieHandle );
+			};
+		};
+
+		if ( mMovieController )
+		{
+			MCSetActionFilterWithRefCon( mMovieController, NULL, (long)this );
+			DisposeMovieController( mMovieController );
+			mMovieController = NULL;
+		};
+
+		if ( mMovieHandle )
+		{
+			SetMovieDrawingCompleteProc( mMovieHandle, movieDrawingCallWhenChanged, nil, ( long )this );
+			DisposeMovie( mMovieHandle );
+			mMovieHandle = NULL;
+		};
+
+        mGWorldHandle = NULL;
+        
+		setStatus(STATUS_NONE);
+
+		return true;
+	}
+
+	bool navigateTo( const std::string url )
+	{
+		unload();
+		load( url );
+
+		return true;
+	};
+
+	bool sizeChanged()
+	{
+		if ( ! mMovieHandle )
+			return false;
+
+		// Check to see whether the movie's natural size has updated
+		{
+			int width, height;
+			getMovieNaturalSize(&width, &height);
+			if((width != 0) && (height != 0) && ((width != mNaturalWidth) || (height != mNaturalHeight)))
+			{
+				mNaturalWidth = width;
+				mNaturalHeight = height;
+
+				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_request");
+				message.setValue("name", mTextureSegmentName);
+				message.setValueS32("width", width);
+				message.setValueS32("height", height);
+				sendMessage(message);
+				//std::cerr << "<--- Sending size change request to application with name: " << mTextureSegmentName << " - size is " << width << " x " << height << std::endl;
+			}
+		}
+        
+
+		// sanitize destination size
+		Rect dest_rect = rectFromSize(mWidth, mHeight);
+
+		// media depth won't change
+		int depth_bits = mDepth * 8;
+		long rowbytes = mDepth * mTextureWidth;
+
+		if(mPixels != NULL)
+		{
+			// We have pixels.  Set up a GWorld pointing at the texture.
+			OSErr result = QTNewGWorldFromPtr( &mGWorldHandle, depth_bits, &dest_rect, NULL, NULL, 0, (Ptr)mPixels, rowbytes);
+			if ( noErr != result )
+			{
+				// TODO: unrecoverable??  throw exception?  return something?
+				return false;
+			}
+		}
+		else
+		{
+			// We don't have pixels. Create a fake GWorld we can point the movie at when it's not safe to render normally.
+			Rect tempRect = rectFromSize(1, 1);
+			OSErr result = QTNewGWorld( &mGWorldHandle, depth_bits, &tempRect, NULL, NULL, 0);
+			if ( noErr != result )
+			{
+				// TODO: unrecoverable??  throw exception?  return something?
+				return false;
+			}
+		}
+
+		SetMovieGWorld( mMovieHandle, mGWorldHandle, NULL );
+        
+		// Set up the movie display matrix
+		{
+			// scale movie to fit rect and invert vertically to match opengl image format
+			MatrixRecord transform;
+			SetIdentityMatrix( &transform );	// transforms are additive so start from identify matrix
+			double scaleX = (double) mWidth / mNaturalWidth;
+			double scaleY = -1.0 * (double) mHeight / mNaturalHeight;
+			double centerX = mWidth / 2.0;
+			double centerY = mHeight / 2.0;
+			ScaleMatrix( &transform, X2Fix( scaleX ), X2Fix( scaleY ), X2Fix( centerX ), X2Fix( centerY ) );
+			SetMovieMatrix( mMovieHandle, &transform );
+		}
+
+		// update movie controller
+		if ( mMovieController )
+		{
+			MCSetControllerPort( mMovieController, mGWorldHandle );
+			MCPositionController( mMovieController, &dest_rect, &dest_rect,
+								  mcTopLeftMovie | mcPositionDontInvalidate );
+			MCMovieChanged( mMovieController, mMovieHandle );
+		}
+
+
+		// Emit event with size change so the calling app knows about it too
+		// TODO:
+		//LLMediaEvent event( this );
+		//mEventEmitter.update( &LLMediaObserver::onMediaSizeChange, event );
+
+		return true;
+	}
+	static Boolean mcActionFilterCallBack( MovieController mc, short action, void *params, long ref )
+	{
+		Boolean result = false;
+
+		MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref;
+
+		switch( action )
+		{
+			// handle window resizing
+			case mcActionControllerSizeChanged:
+				// Ensure that the movie draws correctly at the new size
+				self->sizeChanged();
+				break;
+
+			// Block any movie controller actions that open URLs.
+			case mcActionLinkToURL:
+			case mcActionGetNextURL:
+			case mcActionLinkToURLExtended:
+				// Prevent the movie controller from handling the message
+				result = true;
+				break;
+
+			default:
+				break;
+		};
+
+		return result;
+	};
+
+	static OSErr movieDrawingCompleteCallback( Movie call_back_movie, long ref )
+	{
+		MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref;
+
+		// IMPORTANT: typically, a consumer who is observing this event will set a flag
+		// when this event is fired then render later. Be aware that the media stream
+		// can change during this period - dimensions, depth, format etc.
+		//LLMediaEvent event( self );
+//		self->updateQuickTime();
+		// TODO ^^^
+
+
+		if ( self->mWidth > 0 && self->mHeight > 0 )
+			self->setDirty( 0, 0, self->mWidth, self->mHeight );
+
+		return noErr;
+	};
+
+	static void moviePrePrerollCompleteCallback( Movie movie, OSErr preroll_err, void *ref )
+	{
+		MediaPluginQuickTime* self = ( MediaPluginQuickTime* )ref;
+
+		// TODO:
+		//LLMediaEvent event( self );
+		//self->mEventEmitter.update( &LLMediaObserver::onMediaPreroll, event );
+		
+		// Send a "navigate complete" event.
+		LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER, "navigate_complete");
+		message.setValue("uri", self->mNavigateURL);
+		message.setValueS32("result_code", 200);
+		message.setValue("result_string", "OK");
+		self->sendMessage(message);
+	};
+
+
+	void rewind()
+	{
+		GoToBeginningOfMovie( mMovieHandle );
+		MCMovieChanged( mMovieController, mMovieHandle );
+	};
+
+	bool processState()
+	{
+		if ( mCommand == COMMAND_PLAY )
+		{
+			if ( mStatus == STATUS_LOADED || mStatus == STATUS_PAUSED || mStatus == STATUS_PLAYING || mStatus == STATUS_DONE )
+			{
+				long state = GetMovieLoadState( mMovieHandle );
+
+				if ( state >= kMovieLoadStatePlaythroughOK )
+				{
+					// if the movie is at the end (generally because it reached it naturally)
+					// and we play is requested, jump back to the start of the movie.
+					// note: this is different from having loop flag set.
+					if ( IsMovieDone( mMovieHandle ) )
+					{
+						Fixed rate = X2Fix( 0.0 );
+						MCDoAction( mMovieController, mcActionPlay, (void*)rate );
+						rewind();
+					};
+
+					MCDoAction( mMovieController, mcActionPrerollAndPlay, (void*)getPlayRate() );
+					MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume );
+					setStatus(STATUS_PLAYING);
+					mCommand = COMMAND_NONE;
+				};
+			};
+		}
+		else
+		if ( mCommand == COMMAND_STOP )
+		{
+			if ( mStatus == STATUS_PLAYING || mStatus == STATUS_PAUSED || mStatus == STATUS_DONE )
+			{
+				if ( GetMovieLoadState( mMovieHandle ) >= kMovieLoadStatePlaythroughOK )
+				{
+					Fixed rate = X2Fix( 0.0 );
+					MCDoAction( mMovieController, mcActionPlay, (void*)rate );
+					rewind();
+
+					setStatus(STATUS_LOADED);
+					mCommand = COMMAND_NONE;
+				};
+			};
+		}
+		else
+		if ( mCommand == COMMAND_PAUSE )
+		{
+			if ( mStatus == STATUS_PLAYING )
+			{
+				if ( GetMovieLoadState( mMovieHandle ) >= kMovieLoadStatePlaythroughOK )
+				{
+					Fixed rate = X2Fix( 0.0 );
+					MCDoAction( mMovieController, mcActionPlay, (void*)rate );
+					setStatus(STATUS_PAUSED);
+					mCommand = COMMAND_NONE;
+				};
+			};
+		};
+
+		return true;
+	};
+
+	void play(F64 rate)
+	{
+		mPlayRate = rate;
+		mCommand = COMMAND_PLAY;
+	};
+
+	void stop()
+	{
+		mCommand = COMMAND_STOP;
+	};
+
+	void pause()
+	{
+		mCommand = COMMAND_PAUSE;
+	};
+
+	void getMovieNaturalSize(int *movie_width, int *movie_height)
+	{
+		Rect rect;
+
+		GetMovieNaturalBoundsRect( mMovieHandle, &rect );
+
+		int width  = ( rect.right - rect.left );
+		int height = ( rect.bottom - rect.top );
+
+		// make sure width and height fall in valid range
+		if ( width < mMinWidth )
+			width = mMinWidth;
+
+		if ( width > mMaxWidth )
+			width = mMaxWidth;
+
+		if ( height < mMinHeight )
+			height = mMinHeight;
+
+		if ( height > mMaxHeight )
+			height = mMaxHeight;
+
+		// return the new rect
+		*movie_width = width;
+		*movie_height = height;
+	}
+
+	void updateQuickTime(int milliseconds)
+	{
+		if ( ! mMovieHandle )
+			return;
+
+		if ( ! mMovieController )
+			return;
+
+		// this wasn't required in 1.xx viewer but we have to manually 
+		// work the Windows message pump now
+		#if defined( LL_WINDOWS )
+		MSG msg;
+		while ( PeekMessage( &msg, NULL, 0, 0, PM_NOREMOVE ) ) 
+		{
+			GetMessage( &msg, NULL, 0, 0 );
+			TranslateMessage( &msg );
+			DispatchMessage( &msg );
+		};
+		#endif
+
+		MCIdle( mMovieController );
+
+		if ( ! mGWorldHandle )
+			return;
+
+		if ( mMediaSizeChanging )
+			return;
+
+		// update state machine
+		processState();
+
+		// see if title arrived and if so, update member variable with contents
+		checkTitle();
+		
+		// QT call to see if we are at the end - can't do with controller
+		if ( IsMovieDone( mMovieHandle ) )
+		{
+			// special code for looping - need to rewind at the end of the movie
+			if ( mIsLooping )
+			{
+				// go back to start
+				rewind();
+
+				if ( mMovieController )
+				{
+					// kick off new play
+					MCDoAction( mMovieController, mcActionPrerollAndPlay, (void*)getPlayRate() );
+
+					// set the volume
+					MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume );
+				};
+			}
+			else
+			{
+				if(mStatus == STATUS_PLAYING)
+				{
+					setStatus(STATUS_DONE);
+				}
+			}
+		}
+
+	};
+    
+	void seek( F64 time )
+	{
+		if ( mMovieController )
+		{
+			TimeRecord when;
+			when.scale = GetMovieTimeScale( mMovieHandle );
+			when.base = 0;
+
+			// 'time' is in (floating point) seconds.  The timebase time will be in 'units', where
+			// there are 'scale' units per second.
+			SInt64 raw_time = ( SInt64 )( time * (double)( when.scale ) );
+
+			when.value.hi = ( SInt32 )( raw_time >> 32 );
+			when.value.lo = ( SInt32 )( ( raw_time & 0x00000000FFFFFFFF ) );
+
+			MCDoAction( mMovieController, mcActionGoToTime, &when );
+		};
+	};
+
+	F64 getLoadedDuration() 	  	 
+	{ 	  	 
+		TimeValue duration; 	  	 
+		if(GetMaxLoadedTimeInMovie( mMovieHandle, &duration ) != noErr) 	  	 
+		{ 	  	 
+			// If GetMaxLoadedTimeInMovie returns an error, return the full duration of the movie. 	  	 
+			duration = GetMovieDuration( mMovieHandle ); 	  	 
+		} 	  	 
+		TimeValue scale = GetMovieTimeScale( mMovieHandle ); 	  	 
+
+		return (F64)duration / (F64)scale; 	  	 
+	}; 	  	 
+
+	F64 getDuration()
+	{
+		TimeValue duration = GetMovieDuration( mMovieHandle );
+		TimeValue scale = GetMovieTimeScale( mMovieHandle );
+
+		return (F64)duration / (F64)scale;
+	};
+
+	F64 getCurrentTime()
+	{
+		TimeValue curr_time = GetMovieTime( mMovieHandle, 0 );
+		TimeValue scale = GetMovieTimeScale( mMovieHandle );
+
+		return (F64)curr_time / (F64)scale;
+	};
+
+	void setVolume( F64 volume )
+	{
+		mCurVolume = (short)(volume * ( double ) 0x100 );
+
+		if ( mMovieController )
+		{
+			MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume );
+		};
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	//
+	void update(int milliseconds = 0)
+	{
+		updateQuickTime(milliseconds);
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	//
+	void mouseDown( int x, int y )
+	{
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	//
+	void mouseUp( int x, int y )
+	{
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	//
+	void mouseMove( int x, int y )
+	{
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	//
+	void keyPress( unsigned char key )
+	{
+	};
+
+	////////////////////////////////////////////////////////////////////////////////
+	// Grab movie title into mMovieTitle - should be called repeatedly
+	// until it returns true since movie title takes a while to become 
+	// available.
+	const bool getMovieTitle()
+	{
+		// grab meta data from movie
+		QTMetaDataRef media_data_ref;
+		OSErr result = QTCopyMovieMetaData( mMovieHandle, &media_data_ref );
+		if ( noErr != result ) 
+			return false;
+
+		// look up "Display Name" in meta data
+		OSType meta_data_key = kQTMetaDataCommonKeyDisplayName;
+		QTMetaDataItem item = kQTMetaDataItemUninitialized;
+		result = (OSErr)QTMetaDataGetNextItem( media_data_ref, kQTMetaDataStorageFormatWildcard, 
+										0, kQTMetaDataKeyFormatCommon, 
+										(const UInt8 *)&meta_data_key, 
+										sizeof( meta_data_key ), &item );
+		if ( noErr != result ) 
+			return false;
+
+		// find the size of the title
+		ByteCount size;
+		result = (OSErr)QTMetaDataGetItemValue( media_data_ref, item, NULL, 0, &size );
+		if ( noErr != result || size <= 0 /*|| size > 1024  FIXME: arbitrary limit */ ) 
+			return false;
+
+		// allocate some space and grab it
+		UInt8* item_data = new UInt8[ size + 1 ];
+		memset( item_data, 0, ( size + 1 ) * sizeof( UInt8 ) );
+		result = (OSErr)QTMetaDataGetItemValue( media_data_ref, item, item_data, size, NULL );
+		if ( noErr != result ) 
+		{
+			delete [] item_data;
+			return false;
+		};
+
+		// save it
+		if ( strlen( (char*)item_data ) )
+			mMovieTitle = std::string( (char* )item_data );
+		else
+			mMovieTitle = "";
+
+		// clean up
+		delete [] item_data;
+
+		return true;
+	};
+
+	// called regularly to see if title changed
+	void checkTitle()
+	{
+		// we did already receive title so keep checking
+		if ( ! mReceivedTitle )
+		{
+			// grab title from movie meta data
+			if ( getMovieTitle() )
+			{
+				// pass back to host application
+				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text");
+				message.setValue("name", mMovieTitle );
+				sendMessage( message );
+
+				// stop looking once we find a title for this movie.
+				// TODO: this may to be reset if movie title changes
+				// during playback but this is okay for now
+				mReceivedTitle = true;
+			};
+		};
+	};
+};
+
+MediaPluginQuickTime::MediaPluginQuickTime(
+	LLPluginInstance::sendMessageFunction host_send_func,
+	void *host_user_data ) :
+	MediaPluginBase(host_send_func, host_user_data),
+	mMinWidth( 0 ),
+	mMaxWidth( 2048 ),
+	mMinHeight( 0 ),
+	mMaxHeight( 2048 )
+{
+//	std::cerr << "MediaPluginQuickTime constructor" << std::endl;
+
+	mNaturalWidth = -1;
+	mNaturalHeight = -1;
+	mMovieHandle = 0;
+	mGWorldHandle = 0;
+	mMovieController = 0;
+	mCurVolume = 0x99;
+	mMediaSizeChanging = false;
+	mIsLooping = false;
+	mMovieTitle = std::string();
+	mReceivedTitle = false;
+	mCommand = COMMAND_NONE;
+	mPlayRate = 0.0f;
+	mStatus = STATUS_NONE;
+}
+
+MediaPluginQuickTime::~MediaPluginQuickTime()
+{
+//	std::cerr << "MediaPluginQuickTime destructor" << std::endl;
+
+	ExitMovies();
+
+#ifdef LL_WINDOWS
+	TerminateQTML();
+//		std::cerr << "QuickTime closing down" << std::endl;
+#endif
+}
+
+
+void MediaPluginQuickTime::receiveMessage(const char *message_string)
+{
+//	std::cerr << "MediaPluginQuickTime::receiveMessage: received message: \"" << message_string << "\"" << std::endl;
+	LLPluginMessage message_in;
+
+	if(message_in.parse(message_string) >= 0)
+	{
+		std::string message_class = message_in.getClass();
+		std::string message_name = message_in.getName();
+		if(message_class == LLPLUGIN_MESSAGE_CLASS_BASE)
+		{
+			if(message_name == "init")
+			{
+				LLPluginMessage message("base", "init_response");
+				LLSD versions = LLSD::emptyMap();
+				versions[LLPLUGIN_MESSAGE_CLASS_BASE] = LLPLUGIN_MESSAGE_CLASS_BASE_VERSION;
+				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA] = LLPLUGIN_MESSAGE_CLASS_MEDIA_VERSION;
+				// Normally a plugin would only specify one of these two subclasses, but this is a demo...
+				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME] = LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME_VERSION;
+				message.setValueLLSD("versions", versions);
+
+				#ifdef LL_WINDOWS
+
+				// QuickTime 7.6.4 has an issue (that was not present in 7.6.2) with initializing QuickTime
+				// according to this article: http://lists.apple.com/archives/QuickTime-API/2009/Sep/msg00097.html
+				// The solution presented there appears to work.
+				QTLoadLibrary("qtcf.dll");
+
+				// main initialization for QuickTime - only required on Windows
+				OSErr result = InitializeQTML( 0L );
+				if ( result != noErr )
+				{
+					//TODO: If no QT on Windows, this fails - respond accordingly.
+				}
+				else
+				{
+					//std::cerr << "QuickTime initialized" << std::endl;
+				};
+				#endif
+
+				// required for both Windows and Mac
+				EnterMovies();
+
+				std::string plugin_version = "QuickTime media plugin, QuickTime version ";
+
+				long version = 0;
+				Gestalt( gestaltQuickTimeVersion, &version );
+				std::ostringstream codec( "" );
+				codec << std::hex << version << std::dec;
+				plugin_version += codec.str();
+				message.setValue("plugin_version", plugin_version);
+				sendMessage(message);
+			}
+			else if(message_name == "idle")
+			{
+				// no response is necessary here.
+				F64 time = message_in.getValueReal("time");
+
+				// Convert time to milliseconds for update()
+				update((int)(time * 1000.0f));
+			}
+			else if(message_name == "cleanup")
+			{
+				// TODO: clean up here
+			}
+			else if(message_name == "shm_added")
+			{
+				SharedSegmentInfo info;
+				info.mAddress = message_in.getValuePointer("address");
+				info.mSize = (size_t)message_in.getValueS32("size");
+				std::string name = message_in.getValue("name");
+//				std::cerr << "MediaPluginQuickTime::receiveMessage: shared memory added, name: " << name
+//					<< ", size: " << info.mSize
+//					<< ", address: " << info.mAddress
+//					<< std::endl;
+
+				mSharedSegments.insert(SharedSegmentMap::value_type(name, info));
+
+			}
+			else if(message_name == "shm_remove")
+			{
+				std::string name = message_in.getValue("name");
+
+//				std::cerr << "MediaPluginQuickTime::receiveMessage: shared memory remove, name = " << name << std::endl;
+
+				SharedSegmentMap::iterator iter = mSharedSegments.find(name);
+				if(iter != mSharedSegments.end())
+				{
+					if(mPixels == iter->second.mAddress)
+					{
+						// This is the currently active pixel buffer.  Make sure we stop drawing to it.
+						mPixels = NULL;
+						mTextureSegmentName.clear();
+
+						// Make sure the movie GWorld is no longer pointed at the shared segment.
+						sizeChanged();
+					}
+					mSharedSegments.erase(iter);
+				}
+				else
+				{
+//					std::cerr << "MediaPluginQuickTime::receiveMessage: unknown shared memory region!" << std::endl;
+				}
+
+				// Send the response so it can be cleaned up.
+				LLPluginMessage message("base", "shm_remove_response");
+				message.setValue("name", name);
+				sendMessage(message);
+			}
+			else
+			{
+//				std::cerr << "MediaPluginQuickTime::receiveMessage: unknown base message: " << message_name << std::endl;
+			}
+		}
+		else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA)
+		{
+			if(message_name == "init")
+			{
+				// This is the media init message -- all necessary data for initialization should have been received.
+
+				// Plugin gets to decide the texture parameters to use.
+				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params");
+				#if defined(LL_WINDOWS)
+					// Values for Windows
+					mDepth = 3;
+					message.setValueU32("format", GL_RGB);
+					message.setValueU32("type", GL_UNSIGNED_BYTE);
+
+					// We really want to pad the texture width to a multiple of 32 bytes, but since we're using 3-byte pixels, it doesn't come out even.
+					// Padding to a multiple of 3*32 guarantees it'll divide out properly.
+					message.setValueU32("padding", 32 * 3);
+				#else
+					// Values for Mac
+					mDepth = 4;
+					message.setValueU32("format", GL_BGRA_EXT);
+					#ifdef __BIG_ENDIAN__
+						message.setValueU32("type", GL_UNSIGNED_INT_8_8_8_8_REV );
+					#else
+						message.setValueU32("type", GL_UNSIGNED_INT_8_8_8_8);
+					#endif
+
+					// Pad texture width to a multiple of 32 bytes, to line up with cache lines.
+					message.setValueU32("padding", 32);
+				#endif
+				message.setValueS32("depth", mDepth);
+				message.setValueU32("internalformat", GL_RGB);
+				message.setValueBoolean("coords_opengl", true);	// true == use OpenGL-style coordinates, false == (0,0) is upper left.
+				message.setValueBoolean("allow_downsample", true);
+				sendMessage(message);
+			}
+			else if(message_name == "size_change")
+			{
+				std::string name = message_in.getValue("name");
+				S32 width = message_in.getValueS32("width");
+				S32 height = message_in.getValueS32("height");
+				S32 texture_width = message_in.getValueS32("texture_width");
+				S32 texture_height = message_in.getValueS32("texture_height");
+
+				//std::cerr << "---->Got size change instruction from application with name: " << name << " - size is " << width << " x " << height << std::endl;
+
+				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "size_change_response");
+				message.setValue("name", name);
+				message.setValueS32("width", width);
+				message.setValueS32("height", height);
+				message.setValueS32("texture_width", texture_width);
+				message.setValueS32("texture_height", texture_height);
+				sendMessage(message);
+
+				if(!name.empty())
+				{
+					// Find the shared memory region with this name
+					SharedSegmentMap::iterator iter = mSharedSegments.find(name);
+					if(iter != mSharedSegments.end())
+					{
+//						std::cerr << "%%% Got size change, new size is " << width << " by " << height << std::endl;
+//						std::cerr << "%%%%  texture size is " << texture_width << " by " << texture_height << std::endl;
+
+						mPixels = (unsigned char*)iter->second.mAddress;
+						mTextureSegmentName = name;
+						mWidth = width;
+						mHeight = height;
+
+						mTextureWidth = texture_width;
+						mTextureHeight = texture_height;
+
+						mMediaSizeChanging = false;
+
+						sizeChanged();
+
+						update();
+					};
+				};
+			}
+			else if(message_name == "load_uri")
+			{
+				std::string uri = message_in.getValue("uri");
+				load( uri );
+				sendStatus();
+			}
+			else if(message_name == "mouse_event")
+			{
+				std::string event = message_in.getValue("event");
+				S32 x = message_in.getValueS32("x");
+				S32 y = message_in.getValueS32("y");
+
+				if(event == "down")
+				{
+					mouseDown(x, y);
+				}
+				else if(event == "up")
+				{
+					mouseUp(x, y);
+				}
+				else if(event == "move")
+				{
+					mouseMove(x, y);
+				};
+			};
+		}
+		else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME)
+		{
+			if(message_name == "stop")
+			{
+				stop();
+			}
+			else if(message_name == "start")
+			{
+				F64 rate = 0.0;
+				if(message_in.hasValue("rate"))
+				{
+					rate = message_in.getValueReal("rate");
+				}
+				play(rate);
+			}
+			else if(message_name == "pause")
+			{
+				pause();
+			}
+			else if(message_name == "seek")
+			{
+				F64 time = message_in.getValueReal("time");
+				seek(time);
+			}
+			else if(message_name == "set_loop")
+			{
+				bool loop = message_in.getValueBoolean("loop");
+				mIsLooping = loop;
+			}
+			else if(message_name == "set_volume")
+			{
+				F64 volume = message_in.getValueReal("volume");
+				setVolume(volume);
+			}
+		}
+		else
+		{
+//			std::cerr << "MediaPluginQuickTime::receiveMessage: unknown message class: " << message_class << std::endl;
+		};
+	};
+}
+
+int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data)
+{
+	MediaPluginQuickTime *self = new MediaPluginQuickTime(host_send_func, host_user_data);
+	*plugin_send_func = MediaPluginQuickTime::staticReceiveMessage;
+	*plugin_user_data = (void*)self;
+
+	return 0;
+}
+
+#else // LL_QUICKTIME_ENABLED
+
+// Stubbed-out class with constructor/destructor (necessary or windows linker
+// will just think its dead code and optimize it all out)
+class MediaPluginQuickTime : public MediaPluginBase
+{
+public:
+	MediaPluginQuickTime(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data);
+	~MediaPluginQuickTime();
+	/* virtual */ void receiveMessage(const char *message_string);
+};
+
+MediaPluginQuickTime::MediaPluginQuickTime(
+	LLPluginInstance::sendMessageFunction host_send_func,
+	void *host_user_data ) :
+	MediaPluginBase(host_send_func, host_user_data)
+{
+    // no-op
+}
+
+MediaPluginQuickTime::~MediaPluginQuickTime()
+{
+    // no-op
+}
+
+void MediaPluginQuickTime::receiveMessage(const char *message_string)
+{
+    // no-op
+}
+
+// We're building without quicktime enabled.  Just refuse to initialize.
+int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data)
+{
+    return -1;
+}
+
+#endif // LL_QUICKTIME_ENABLED