Merge with trunk

1 files changed, 984 insertions, 0 deletions

diff --git a/indra/media_plugins/quicktime/media_plugin_quicktime.cpp b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp
new file mode 100644
index 0000000000..e9be458960
--- /dev/null
+++ b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp
@@ -0,0 +1,984 @@
+/** 
+ * @file media_plugin_quicktime.cpp
+ * @brief QuickTime plugin for LLMedia API plugin system
+ *
+ * $LicenseInfo:firstyear=2008&license=viewergpl$
+ *
+ * Copyright (c) 2008, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "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 "MacTypes.h"
+	#include "QTML.h"
+	#include "Movies.h"
+	#include "QDoffscreen.h"
+	#include "FixMath.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;
+	const int mMinWidth;
+	const int mMaxWidth;
+	const int mMinHeight;
+	const int mMaxHeight;
+	F64 mPlayRate;
+
+	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;
+		};
+
+		// 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()
+	{
+		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;
+		};
+
+		if ( mGWorldHandle )
+		{
+			DisposeGWorld( mGWorldHandle );
+			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;
+				
+		GWorldPtr old_gworld_handle = mGWorldHandle;
+
+		if(mPixels != NULL)
+		{
+			// We have pixels.  Set up a GWorld pointing at the texture.
+			OSErr result = NewGWorldFromPtr( &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 = NewGWorld( &mGWorldHandle, depth_bits, &tempRect, NULL, NULL, 0);
+			if ( noErr != result )
+			{
+				// TODO: unrecoverable??  throw exception?  return something?
+				return false;
+			}
+		}
+
+		SetMovieGWorld( mMovieHandle, mGWorldHandle, GetGWorldDevice( mGWorldHandle ) );
+
+		// If the GWorld was already set up, delete it.
+		if(old_gworld_handle != NULL)
+		{
+			DisposeGWorld( old_gworld_handle );
+		}
+		
+		// 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 );
+	};
+
+
+	void rewind()
+	{
+		GoToBeginningOfMovie( mMovieHandle );
+		MCMovieChanged( mMovieController, mMovieHandle );
+	};
+
+	bool processState()
+	{
+		if ( mCommand == COMMAND_PLAY )
+		{
+			if ( mStatus == STATUS_LOADED || mStatus == STATUS_PAUSED || mStatus == STATUS_PLAYING )
+			{
+				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 )
+			{
+				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;
+
+		// service QuickTime
+		// Calling it this way doesn't have good behavior on Windows...
+//		MoviesTask( mMovieHandle, milliseconds );
+		// This was the original, but I think using both MoviesTask and MCIdle is redundant.  Trying with only MCIdle.
+//		MoviesTask( mMovieHandle, 0 );
+
+		MCIdle( mMovieController );
+
+		if ( ! mGWorldHandle )
+			return;
+
+		if ( mMediaSizeChanging )
+			return;
+
+		// update state machine
+		processState();
+
+		// special code for looping - need to rewind at the end of the movie
+		if ( mIsLooping )
+		{
+			// QT call to see if we are at the end - can't do with controller
+			if ( IsMovieDone( mMovieHandle ) )
+			{
+				// go back to start
+				rewind();
+
+				if ( mMovieController )
+				{
+					// kick off new play
+					MCDoAction( mMovieController, mcActionPrerollAndPlay, (void*)getPlayRate() );
+
+					// set the volume
+					MCDoAction( mMovieController, mcActionSetVolume, (void*)mCurVolume );
+				};
+			};
+		};
+	};
+
+	int getDataWidth() const
+	{
+		if ( mGWorldHandle )
+		{
+			int depth = mDepth;
+
+			if (depth < 1)
+				depth = 1;
+
+			// ALWAYS use the row bytes from the PixMap if we have a GWorld because
+			// sometimes it's not the same as mMediaDepth * mMediaWidth !
+			PixMapHandle pix_map_handle = GetGWorldPixMap( mGWorldHandle );
+			return QTGetPixMapHandleRowBytes( pix_map_handle ) / depth;
+		}
+		else
+		{
+			// TODO :   return LLMediaImplCommon::getaDataWidth();
+			return 0;
+		}
+	};
+
+	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 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 )
+	{
+	};
+
+};
+
+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;
+	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_BROWSER] = LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER_VERSION;
+				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME] = LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME_VERSION;
+				message.setValueLLSD("versions", versions);
+
+				#ifdef LL_WINDOWS
+				if ( InitializeQTML( 0L ) != noErr )
+				{
+					//TODO: If no QT on Windows, this fails - respond accordingly.
+					//return false;
+				}
+				else
+				{
+//					std::cerr << "QuickTime initialized" << std::endl;
+				};
+				#endif
+
+				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);
+
+				// Plugin gets to decide the texture parameters to use.
+				message.setMessage(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 == "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;
+				U64 address_lo = message_in.getValueU32("address");
+				U64 address_hi = message_in.hasValue("address_1") ? message_in.getValueU32("address_1") : 0;
+				info.mAddress = (void*)((address_lo) |
+							(address_hi * (U64(1)<<31)));
+				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 == "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