merge

1 files changed, 1077 insertions, 981 deletions

diff --git a/indra/media_plugins/quicktime/media_plugin_quicktime.cpp b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp
index fbda65120d..7100d03f05 100644
--- a/indra/media_plugins/quicktime/media_plugin_quicktime.cpp
+++ b/indra/media_plugins/quicktime/media_plugin_quicktime.cpp
@@ -1,981 +1,1077 @@
-/** 
- * @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;
-				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 == "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
+/**

+ * @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"

+	#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;

+

+	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()

+	{

+		// 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;

+		};

+

+		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();

+

+		// see if title arrived and if so, update member variable with contents

+		checkTitle();

+

+		// 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 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 = 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 = QTMetaDataGetItemValue( media_data_ref, item, NULL, 0, &size );

+		if ( noErr != result || size <= 0 ) 

+			return false;

+

+		// allocate some space and grab it

+		UInt8* item_data = new UInt8( size );

+		memset( item_data, 0, size * sizeof( UInt8* ) );

+		result = QTMetaDataGetItemValue( media_data_ref, item, item_data, size, NULL );

+		if ( noErr != result ) 

+			return false;

+

+		// save it

+		mMovieTitle = std::string( (char* )item_data );

+

+		// 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);

+

+				// 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;

+				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 == "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