pull from gate

6 files changed, 492 insertions, 433 deletions

diff --git a/indra/media_plugins/CMakeLists.txt b/indra/media_plugins/CMakeLists.txt
index 1eadce825e..1a5cc8ec9a 100644
--- a/indra/media_plugins/CMakeLists.txt
+++ b/indra/media_plugins/CMakeLists.txt
@@ -5,14 +5,17 @@ add_subdirectory(base)
 if (LINUX)
     add_subdirectory(gstreamer010)
     add_subdirectory(libvlc)
+    add_subdirectory(example)
 endif (LINUX)
 
 if (DARWIN)
     add_subdirectory(cef)
     add_subdirectory(libvlc)
+    add_subdirectory(example)
 endif (DARWIN)
 
 if (WINDOWS)
     add_subdirectory(cef)
     add_subdirectory(libvlc)
+    add_subdirectory(example)
 endif (WINDOWS)
diff --git a/indra/media_plugins/cef/CMakeLists.txt b/indra/media_plugins/cef/CMakeLists.txt
index 201fb44847..5452fd9d1e 100644
--- a/indra/media_plugins/cef/CMakeLists.txt
+++ b/indra/media_plugins/cef/CMakeLists.txt
@@ -46,6 +46,10 @@ set(media_plugin_cef_SOURCE_FILES
     media_plugin_cef.cpp
     )
 
+set(media_plugin_cef_HEADER_FILES
+    volume_catcher.h
+    )
+
 set (media_plugin_cef_LINK_LIBRARIES
   ${LLPLUGIN_LIBRARIES}
   ${MEDIA_PLUGIN_BASE_LIBRARIES}
@@ -53,7 +57,21 @@ set (media_plugin_cef_LINK_LIBRARIES
   ${LLCOMMON_LIBRARIES}
   ${PLUGIN_API_WINDOWS_LIBRARIES})
 
-
+# Select which VolumeCatcher implementation to use
+if (LINUX)
+  message(FATAL_ERROR "CEF plugin has been enabled for a Linux compile.\n"
+    "  Please create a volume_catcher implementation for this platform.")
+elseif (DARWIN)
+  list(APPEND media_plugin_cef_SOURCE_FILES mac_volume_catcher_null.cpp)
+  find_library(CORESERVICES_LIBRARY CoreServices)
+  find_library(AUDIOUNIT_LIBRARY AudioUnit)
+  list(APPEND media_plugin_cef_LINK_LIBRARIES
+       ${CORESERVICES_LIBRARY}     # for Component Manager calls
+       ${AUDIOUNIT_LIBRARY}        # for AudioUnit calls
+       )
+elseif (WINDOWS)
+  list(APPEND media_plugin_cef_SOURCE_FILES windows_volume_catcher.cpp)
+endif (LINUX)
 
 set_source_files_properties(${media_plugin_cef_HEADER_FILES}
                             PROPERTIES HEADER_FILE_ONLY TRUE)
diff --git a/indra/media_plugins/cef/mac_volume_catcher_null.cpp b/indra/media_plugins/cef/mac_volume_catcher_null.cpp
new file mode 100644
index 0000000000..f4fcef71aa
--- /dev/null
+++ b/indra/media_plugins/cef/mac_volume_catcher_null.cpp
@@ -0,0 +1,95 @@
+/** 
+ * @file windows_volume_catcher.cpp
+ * @brief A null implementation of volume level control of all audio channels opened by a process.
+ *        We are using this for the macOS version for now until we can understand how to make the 
+ *        exitising mac_volume_catcher.cpp work without the (now, non-existant) QuickTime dependency
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * 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 "volume_catcher.h"
+#include "llsingleton.h"
+class VolumeCatcherImpl : public LLSingleton<VolumeCatcherImpl>
+{
+	LLSINGLETON(VolumeCatcherImpl);
+	// This is a singleton class -- both callers and the component implementation should use getInstance() to find the instance.
+	~VolumeCatcherImpl();
+
+public:
+
+	void setVolume(F32 volume);
+	void setPan(F32 pan);
+	
+private:
+	F32 	mVolume;
+	F32 	mPan;
+	bool mSystemIsVistaOrHigher;
+};
+
+VolumeCatcherImpl::VolumeCatcherImpl()
+:	mVolume(1.0f),			// default volume is max
+	mPan(0.f)				// default pan is centered
+{
+}
+
+VolumeCatcherImpl::~VolumeCatcherImpl()
+{
+}
+
+void VolumeCatcherImpl::setVolume(F32 volume)
+{
+	mVolume = volume;
+}
+
+void VolumeCatcherImpl::setPan(F32 pan)
+{	// remember pan for calculating individual channel levels later
+	mPan = pan;
+}
+
+/////////////////////////////////////////////////////
+
+VolumeCatcher::VolumeCatcher()
+{
+	pimpl = VolumeCatcherImpl::getInstance();
+}
+
+VolumeCatcher::~VolumeCatcher()
+{
+	// Let the instance persist until exit.
+}
+
+void VolumeCatcher::setVolume(F32 volume)
+{
+	pimpl->setVolume(volume);
+}
+
+void VolumeCatcher::setPan(F32 pan)
+{
+	pimpl->setPan(pan);
+}
+
+void VolumeCatcher::pump()
+{
+	// No periodic tasks are necessary for this implementation.
+}
diff --git a/indra/media_plugins/cef/media_plugin_cef.cpp b/indra/media_plugins/cef/media_plugin_cef.cpp
index 906a5ff6e7..796e262d6f 100644
--- a/indra/media_plugins/cef/media_plugin_cef.cpp
+++ b/indra/media_plugins/cef/media_plugin_cef.cpp
@@ -34,6 +34,7 @@
 #include "llplugininstance.h"
 #include "llpluginmessage.h"
 #include "llpluginmessageclasses.h"
+#include "volume_catcher.h"
 #include "media_plugin_base.h"
 
 #include <functional>
@@ -55,7 +56,7 @@ public:
 private:
 	bool init();
 
-	void onPageChangedCallback(const unsigned char* pixels, int x, int y, const int width, const int height, bool is_popup);
+	void onPageChangedCallback(const unsigned char* pixels, int x, int y, const int width, const int height);
 	void onCustomSchemeURLCallback(std::string url);
 	void onConsoleMessageCallback(std::string message, std::string source, int line);
 	void onStatusMessageCallback(std::string value);
@@ -77,13 +78,14 @@ private:
 	void unicodeInput(LLSD native_key_data);
 
 	void checkEditState();
-    void setVolume(F32 vol);
+    void setVolume();
 
 	bool mEnableMediaPluginDebugging;
 	std::string mHostLanguage;
 	bool mCookiesEnabled;
 	bool mPluginsEnabled;
 	bool mJavascriptEnabled;
+	bool mDisableGPU;
 	std::string mUserAgentSubtring;
 	std::string mAuthUsername;
 	std::string mAuthPassword;
@@ -94,13 +96,9 @@ private:
 	std::string mCachePath;
 	std::string mCookiePath;
 	std::string mPickedFile;
+	VolumeCatcher mVolumeCatcher;
+	F32 mCurVolume;
 	dullahan* mCEFLib;
-
-	U8 *mPopupBuffer;
-	U32 mPopupW;
-	U32 mPopupH;
-	U32 mPopupX;
-	U32 mPopupY;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -117,6 +115,7 @@ MediaPluginBase(host_send_func, host_user_data)
 	mCookiesEnabled = true;
 	mPluginsEnabled = false;
 	mJavascriptEnabled = true;
+	mDisableGPU = true;
 	mUserAgentSubtring = "";
 	mAuthUsername = "";
 	mAuthPassword = "";
@@ -127,20 +126,18 @@ MediaPluginBase(host_send_func, host_user_data)
 	mCachePath = "";
 	mCookiePath = "";
 	mPickedFile = "";
+	mCurVolume = 0.0;
+
 	mCEFLib = new dullahan();
 
-	mPopupBuffer = NULL;
-	mPopupW = 0;
-	mPopupH = 0;
-	mPopupX = 0;
-	mPopupY = 0;
+	setVolume();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 MediaPluginCEF::~MediaPluginCEF()
 {
-	delete[] mPopupBuffer;
+	mCEFLib->shutdown();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -161,56 +158,13 @@ void MediaPluginCEF::postDebugMessage(const std::string& msg)
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-void MediaPluginCEF::onPageChangedCallback(const unsigned char* pixels, int x, int y, const int width, const int height, bool is_popup)
+void MediaPluginCEF::onPageChangedCallback(const unsigned char* pixels, int x, int y, const int width, const int height)
 {
-	if( is_popup )
-	{
-		delete mPopupBuffer;
-		mPopupBuffer = NULL;
-		mPopupH = 0;
-		mPopupW = 0;
-		mPopupX = 0;
-		mPopupY = 0;
-	}
-
 	if( mPixels && pixels )
 	{
-		if (is_popup)
+		if (mWidth == width && mHeight == height)
 		{
-			if( width > 0 && height> 0 )
-			{
-				mPopupBuffer = new U8[ width * height * mDepth ];
-				memcpy( mPopupBuffer, pixels, width * height * mDepth );
-				mPopupH = height;
-				mPopupW = width;
-				mPopupX = x;
-				mPopupY = mHeight - y - height;
-			}
-		}
-		else
-		{
-			if (mWidth == width && mHeight == height)
-			{
-				memcpy(mPixels, pixels, mWidth * mHeight * mDepth);
-			}
-			if( mPopupBuffer && mPopupH && mPopupW )
-			{
-				U32 bufferSize = mWidth * mHeight * mDepth;
-				U32 popupStride = mPopupW * mDepth;
-				U32 bufferStride = mWidth * mDepth;
-				int dstY = mPopupY;
-
-				int src = 0;
-				int dst = dstY  * mWidth * mDepth + mPopupX * mDepth;
-
-				for( int line = 0; dst + popupStride < bufferSize && line < mPopupH; ++line )
-				{
-					memcpy( mPixels + dst, mPopupBuffer + src, popupStride );
-					src += popupStride;
-					dst += bufferStride;
-				}
-			}
-
+			memcpy(mPixels, pixels, mWidth * mHeight * mDepth);
 		}
 		setDirty(0, 0, mWidth, mHeight);
 	}
@@ -258,10 +212,10 @@ void MediaPluginCEF::onLoadStartCallback()
 //
 void MediaPluginCEF::onRequestExitCallback()
 {
-	mCEFLib->shutdown();
-
 	LLPluginMessage message("base", "goodbye");
 	sendMessage(message);
+
+	mDeleteMe = true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -477,7 +431,7 @@ void MediaPluginCEF::receiveMessage(const char* message_string)
 			if (message_name == "init")
 			{
 				// event callbacks from Dullahan
-				mCEFLib->setOnPageChangedCallback(std::bind(&MediaPluginCEF::onPageChangedCallback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5, std::placeholders::_6));
+				mCEFLib->setOnPageChangedCallback(std::bind(&MediaPluginCEF::onPageChangedCallback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4, std::placeholders::_5));
 				mCEFLib->setOnCustomSchemeURLCallback(std::bind(&MediaPluginCEF::onCustomSchemeURLCallback, this, std::placeholders::_1));
 				mCEFLib->setOnConsoleMessageCallback(std::bind(&MediaPluginCEF::onConsoleMessageCallback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 				mCEFLib->setOnStatusMessageCallback(std::bind(&MediaPluginCEF::onStatusMessageCallback, this, std::placeholders::_1));
@@ -499,10 +453,12 @@ void MediaPluginCEF::receiveMessage(const char* message_string)
 				settings.cache_path = mCachePath;
 				settings.cookie_store_path = mCookiePath;
 				settings.cookies_enabled = mCookiesEnabled;
+				settings.disable_gpu = mDisableGPU;
 				settings.flash_enabled = mPluginsEnabled;
 				settings.flip_mouse_y = false;
 				settings.flip_pixels_y = true;
 				settings.frame_rate = 60;
+				settings.force_wave_audio = true;
 				settings.initial_height = 1024;
 				settings.initial_width = 1024;
 				settings.java_enabled = false;
@@ -755,13 +711,18 @@ void MediaPluginCEF::receiveMessage(const char* message_string)
 			{
 				mJavascriptEnabled = message_in.getValueBoolean("enable");
 			}
+			else if (message_name == "gpu_disabled")
+			{
+				mDisableGPU = message_in.getValueBoolean("disable");
+			}
 		}
         else if (message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA_TIME)
         {
             if (message_name == "set_volume")
             {
-                F32 volume = (F32)message_in.getValueReal("volume");
-                setVolume(volume);
+				F32 volume = (F32)message_in.getValueReal("volume");
+				mCurVolume = volume;
+                setVolume();
             }
         }
         else
@@ -840,8 +801,9 @@ void MediaPluginCEF::checkEditState()
 	}
 }
 
-void MediaPluginCEF::setVolume(F32 vol)
+void MediaPluginCEF::setVolume()
 {
+	mVolumeCatcher.setVolume(mCurVolume);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/indra/media_plugins/example/CMakeLists.txt b/indra/media_plugins/example/CMakeLists.txt
index d2a17b1d76..6f5b28b8e9 100644
--- a/indra/media_plugins/example/CMakeLists.txt
+++ b/indra/media_plugins/example/CMakeLists.txt
@@ -60,14 +60,16 @@ target_link_libraries(media_plugin_example
 add_dependencies(media_plugin_example
   ${LLPLUGIN_LIBRARIES}
   ${MEDIA_PLUGIN_BASE_LIBRARIES}
-  ${LLCOMMON_LIBRARIES}
+  # Using ${LLCOMMON_LIBRARIES} here drags in a whole bunch of Boost stuff
+  # that only produces CMake warnings about nonexistent dependencies.
+  llcommon
 )
 
 if (WINDOWS)
   set_target_properties(
     media_plugin_example
     PROPERTIES
-    LINK_FLAGS "/MANIFEST:NO"
+    LINK_FLAGS "/MANIFEST:NO /SAFESEH:NO /LTCG /NODEFAULTLIB:LIBCMT"
     )
 endif (WINDOWS)
 
diff --git a/indra/media_plugins/example/media_plugin_example.cpp b/indra/media_plugins/example/media_plugin_example.cpp
index 66c00cd58c..c296a0413d 100644
--- a/indra/media_plugins/example/media_plugin_example.cpp
+++ b/indra/media_plugins/example/media_plugin_example.cpp
@@ -1,30 +1,30 @@
 /**
- * @file media_plugin_example.cpp
- * @brief Example 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
- */
+* @file media_plugin_example.cpp
+* @brief Example 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"
 
@@ -38,375 +38,354 @@
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-class MediaPluginExample :
-        public MediaPluginBase
+class mediaPluginExample :
+	public MediaPluginBase
 {
-    public:
-        MediaPluginExample( LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data );
-        ~MediaPluginExample();
-
-        /*virtual*/ void receiveMessage( const char* message_string );
-
-    private:
-        bool init();
-        void update( F64 milliseconds );
-        void write_pixel( int x, int y, unsigned char r, unsigned char g, unsigned char b );
-        bool mFirstTime;
-
-        time_t mLastUpdateTime;
-        enum Constants { ENumObjects = 10 };
-        unsigned char* mBackgroundPixels;
-        int mColorR[ ENumObjects ];
-        int mColorG[ ENumObjects ];
-        int mColorB[ ENumObjects ];
-        int mXpos[ ENumObjects ];
-        int mYpos[ ENumObjects ];
-        int mXInc[ ENumObjects ];
-        int mYInc[ ENumObjects ];
-        int mBlockSize[ ENumObjects ];
-        bool mMouseButtonDown;
-        bool mStopAction;
+public:
+	mediaPluginExample(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data);
+	~mediaPluginExample();
+
+	/*virtual*/ void receiveMessage(const char* message_string);
+
+private:
+	bool init();
+	void update(F64 milliseconds);
+	bool mFirstTime;
+
+	time_t mLastUpdateTime;
+	enum Constants { ENumObjects = 64 };
+	unsigned char* mBackgroundPixels;
+	int mColorR[ENumObjects];
+	int mColorG[ENumObjects];
+	int mColorB[ENumObjects];
+	int mXpos[ENumObjects];
+	int mYpos[ENumObjects];
+	int mXInc[ENumObjects];
+	int mYInc[ENumObjects];
+	int mBlockSize[ENumObjects];
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-MediaPluginExample::MediaPluginExample( LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data ) :
-    MediaPluginBase( host_send_func, host_user_data )
+mediaPluginExample::mediaPluginExample(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data) :
+MediaPluginBase(host_send_func, host_user_data)
 {
-    mFirstTime = true;
-    mWidth = 0;
-    mHeight = 0;
-    mDepth = 4;
-    mPixels = 0;
-    mMouseButtonDown = false;
-    mStopAction = false;
-    mLastUpdateTime = 0;
+	mFirstTime = true;
+	mTextureWidth = 0;
+	mTextureHeight = 0;
+	mWidth = 0;
+	mHeight = 0;
+	mDepth = 4;
+	mPixels = 0;
+	mLastUpdateTime = 0;
+	mBackgroundPixels = 0;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-MediaPluginExample::~MediaPluginExample()
+mediaPluginExample::~mediaPluginExample()
 {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-void MediaPluginExample::receiveMessage( const char* message_string )
+void mediaPluginExample::receiveMessage(const char* message_string)
 {
-//  std::cerr << "MediaPluginWebKit::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;
-                versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER] = LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER_VERSION;
-                message.setValueLLSD("versions", versions);
-
-                std::string plugin_version = "Example plugin 1.0..0";
-                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")
-            {
-            }
-            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");
-
-                mSharedSegments.insert(SharedSegmentMap::value_type(name, info));
-
-            }
-            else if(message_name == "shm_remove")
-            {
-                std::string name = message_in.getValue("name");
-
-                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();
-                    }
-                    mSharedSegments.erase(iter);
-                }
-                else
-                {
-//                  std::cerr << "MediaPluginWebKit::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 << "MediaPluginWebKit::receiveMessage: unknown base message: " << message_name << std::endl;
-            }
-        }
-        else if(message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA)
-        {
-            if(message_name == "init")
-            {
-                // Plugin gets to decide the texture parameters to use.
-                mDepth = 4;
-                LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params");
-                message.setValueS32("default_width", 1024);
-                message.setValueS32("default_height", 1024);
-                message.setValueS32("depth", mDepth);
-                message.setValueU32("internalformat", GL_RGBA);
-                message.setValueU32("format", GL_RGBA);
-                message.setValueU32("type", GL_UNSIGNED_BYTE);
-                message.setValueBoolean("coords_opengl", 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");
-
-                if(!name.empty())
-                {
-                    // Find the shared memory region with this name
-                    SharedSegmentMap::iterator iter = mSharedSegments.find(name);
-                    if(iter != mSharedSegments.end())
-                    {
-                        mPixels = (unsigned char*)iter->second.mAddress;
-                        mWidth = width;
-                        mHeight = height;
-
-                        mTextureWidth = texture_width;
-                        mTextureHeight = texture_height;
-                    };
-                };
-
-                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);
-
-            }
-            else if(message_name == "load_uri")
-            {
-            }
-            else if(message_name == "mouse_event")
-            {
-                std::string event = message_in.getValue("event");
-                if(event == "down")
-                {
-
-                }
-                else if(event == "up")
-                {
-                }
-                else if(event == "double_click")
-                {
-                }
-            }
-        }
-        else
-        {
-//          std::cerr << "MediaPluginWebKit::receiveMessage: unknown message class: " << message_class << std::endl;
-        };
-    }
+	//  std::cerr << "MediaPluginWebKit::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;
+				versions[LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER] = LLPLUGIN_MESSAGE_CLASS_MEDIA_BROWSER_VERSION;
+				message.setValueLLSD("versions", versions);
+
+				std::string plugin_version = "Example plugin 0.0.0";
+				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")
+			{
+				LLPluginMessage message("base", "goodbye");
+				sendMessage(message);
+
+				mDeleteMe = true;
+			}
+			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");
+
+				mSharedSegments.insert(SharedSegmentMap::value_type(name, info));
+
+			}
+			else if (message_name == "shm_remove")
+			{
+				std::string name = message_in.getValue("name");
+
+				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();
+					}
+					mSharedSegments.erase(iter);
+				}
+				else
+				{
+					//                  std::cerr << "MediaPluginWebKit::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 << "MediaPluginWebKit::receiveMessage: unknown base message: " << message_name << std::endl;
+			}
+		}
+		else if (message_class == LLPLUGIN_MESSAGE_CLASS_MEDIA)
+		{
+			if (message_name == "init")
+			{
+				// Plugin gets to decide the texture parameters to use.
+				mDepth = 4;
+				LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "texture_params");
+				message.setValueS32("default_width", 1024);
+				message.setValueS32("default_height", 1024);
+				message.setValueS32("depth", mDepth);
+				message.setValueU32("internalformat", GL_RGB);
+				message.setValueU32("format", GL_RGBA);
+				message.setValueU32("type", GL_UNSIGNED_BYTE);
+				message.setValueBoolean("coords_opengl", 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");
+
+				if (!name.empty())
+				{
+					// Find the shared memory region with this name
+					SharedSegmentMap::iterator iter = mSharedSegments.find(name);
+					if (iter != mSharedSegments.end())
+					{
+						mPixels = (unsigned char*)iter->second.mAddress;
+						mWidth = width;
+						mHeight = height;
+
+						mTextureWidth = texture_width;
+						mTextureHeight = texture_height;
+					};
+				};
+
+				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);
+
+				mFirstTime = true;
+				mLastUpdateTime = 0;
+
+			}
+			else if (message_name == "load_uri")
+			{
+			}
+			else if (message_name == "mouse_event")
+			{
+				std::string event = message_in.getValue("event");
+				if (event == "down")
+				{
+
+				}
+				else if (event == "up")
+				{
+				}
+				else if (event == "double_click")
+				{
+				}
+			}
+		}
+		else
+		{
+		};
+	}
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-void MediaPluginExample::write_pixel( int x, int y, unsigned char r, unsigned char g, unsigned char b )
+void mediaPluginExample::update(F64 milliseconds)
 {
-    // make sure we don't write outside the buffer
-    if ( ( x < 0 ) || ( x >= mWidth ) || ( y < 0 ) || ( y >= mHeight ) )
-        return;
-
-    if ( mBackgroundPixels != NULL )
-    {
-        unsigned char *pixel = mBackgroundPixels;
-        pixel += y * mWidth * mDepth;
-        pixel += ( x * mDepth );
-        pixel[ 0 ] = b;
-        pixel[ 1 ] = g;
-        pixel[ 2 ] = r;
-
-        setDirty( x, y, x + 1, y + 1 );
-    };
-}
-
-////////////////////////////////////////////////////////////////////////////////
-//
-void MediaPluginExample::update( F64 milliseconds )
-{
-    if ( mWidth < 1 || mWidth > 2048 || mHeight < 1 || mHeight > 2048 )
-        return;
-
-    if ( mPixels == 0 )
-            return;
-
-    if ( mFirstTime )
-    {
-        for( int n = 0; n < ENumObjects; ++n )
-        {
-            mXpos[ n ] = ( mWidth / 2 ) + rand() % ( mWidth / 16 ) - ( mWidth / 32 );
-            mYpos[ n ] = ( mHeight / 2 ) + rand() % ( mHeight / 16 ) - ( mHeight / 32 );
-
-            mColorR[ n ] = rand() % 0x60 + 0x60;
-            mColorG[ n ] = rand() % 0x60 + 0x60;
-            mColorB[ n ] = rand() % 0x60 + 0x60;
-
-            mXInc[ n ] = 0;
-            while ( mXInc[ n ] == 0 )
-                mXInc[ n ] = rand() % 7 - 3;
-
-            mYInc[ n ] = 0;
-            while ( mYInc[ n ] == 0 )
-                mYInc[ n ] = rand() % 9 - 4;
-
-            mBlockSize[ n ] = rand() % 0x30 + 0x10;
-        };
-
-        delete [] mBackgroundPixels;
-
-        mBackgroundPixels = new unsigned char[ mWidth * mHeight * mDepth ];
-
-        mFirstTime = false;
-    };
-
-    if ( mStopAction )
-        return;
-
-    if ( time( NULL ) > mLastUpdateTime + 3 )
-    {
-        const int num_squares = rand() % 20 + 4;
-        int sqr1_r = rand() % 0x80 + 0x20;
-        int sqr1_g = rand() % 0x80 + 0x20;
-        int sqr1_b = rand() % 0x80 + 0x20;
-        int sqr2_r = rand() % 0x80 + 0x20;
-        int sqr2_g = rand() % 0x80 + 0x20;
-        int sqr2_b = rand() % 0x80 + 0x20;
-
-        for ( int y1 = 0; y1 < num_squares; ++y1 )
-        {
-            for ( int x1 = 0; x1 < num_squares; ++x1 )
-            {
-                int px_start = mWidth * x1 / num_squares;
-                int px_end = ( mWidth * ( x1 + 1 ) ) / num_squares;
-                int py_start = mHeight * y1 / num_squares;
-                int py_end = ( mHeight * ( y1 + 1 ) ) / num_squares;
-
-                for( int y2 = py_start; y2 < py_end; ++y2 )
-                {
-                    for( int x2 = px_start; x2 < px_end; ++x2 )
-                    {
-                        int rowspan = mWidth * mDepth;
-
-                        if ( ( y1 % 2 ) ^ ( x1 % 2 ) )
-                        {
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 0 ] = sqr1_r;
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 1 ] = sqr1_g;
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 2 ] = sqr1_b;
-                        }
-                        else
-                        {
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 0 ] = sqr2_r;
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 1 ] = sqr2_g;
-                            mBackgroundPixels[ y2 * rowspan + x2 * mDepth + 2 ] = sqr2_b;
-                        };
-                    };
-                };
-            };
-        };
-
-        time( &mLastUpdateTime );
-    };
-
-    memcpy( mPixels, mBackgroundPixels, mWidth * mHeight * mDepth );
-
-    for( int n = 0; n < ENumObjects; ++n )
-    {
-        if ( rand() % 50 == 0 )
-        {
-                mXInc[ n ] = 0;
-                while ( mXInc[ n ] == 0 )
-                    mXInc[ n ] = rand() % 7 - 3;
-
-                mYInc[ n ] = 0;
-                while ( mYInc[ n ] == 0 )
-                    mYInc[ n ] = rand() % 9 - 4;
-        };
-
-        if ( mXpos[ n ] + mXInc[ n ] < 0 || mXpos[ n ] + mXInc[ n ] >= mWidth - mBlockSize[ n ] )
-            mXInc[ n ]= -mXInc[ n ];
-
-        if ( mYpos[ n ] + mYInc[ n ] < 0 || mYpos[ n ] + mYInc[ n ] >= mHeight - mBlockSize[ n ] )
-            mYInc[ n ]= -mYInc[ n ];
-
-        mXpos[ n ] += mXInc[ n ];
-        mYpos[ n ] += mYInc[ n ];
-
-        for( int y = 0; y < mBlockSize[ n ]; ++y )
-        {
-            for( int x = 0; x < mBlockSize[ n ]; ++x )
-            {
-                mPixels[ ( mXpos[ n ] + x ) * mDepth + ( mYpos[ n ] + y ) * mDepth * mWidth + 0 ] = mColorR[ n ];
-                mPixels[ ( mXpos[ n ] + x ) * mDepth + ( mYpos[ n ] + y ) * mDepth * mWidth + 1 ] = mColorG[ n ];
-                mPixels[ ( mXpos[ n ] + x ) * mDepth + ( mYpos[ n ] + y ) * mDepth * mWidth + 2 ] = mColorB[ n ];
-            };
-        };
-    };
-
-    setDirty( 0, 0, mWidth, mHeight );
+	if (mWidth < 1 || mWidth > 2048 || mHeight < 1 || mHeight > 2048)
+		return;
+
+	if (mPixels == 0)
+		return;
+
+	if (mFirstTime)
+	{
+		for (int n = 0; n < ENumObjects; ++n)
+		{
+			mXpos[n] = (mWidth / 2) + rand() % (mWidth / 16) - (mWidth / 32);
+			mYpos[n] = (mHeight / 2) + rand() % (mHeight / 16) - (mHeight / 32);
+
+			mColorR[n] = rand() % 0x60 + 0x60;
+			mColorG[n] = rand() % 0x60 + 0x60;
+			mColorB[n] = rand() % 0x60 + 0x60;
+
+			mXInc[n] = 0;
+			while (mXInc[n] == 0)
+				mXInc[n] = rand() % 7 - 3;
+
+			mYInc[n] = 0;
+			while (mYInc[n] == 0)
+				mYInc[n] = rand() % 9 - 4;
+
+			mBlockSize[n] = rand() % 0x30 + 0x10;
+		};
+
+		delete[] mBackgroundPixels;
+
+		mBackgroundPixels = new unsigned char[mWidth * mHeight * mDepth];
+
+		mFirstTime = false;
+	};
+
+	if (time(NULL) > mLastUpdateTime + 3)
+	{
+		const int num_squares = rand() % 20 + 4;
+		int sqr1_r = rand() % 0x80 + 0x20;
+		int sqr1_g = rand() % 0x80 + 0x20;
+		int sqr1_b = rand() % 0x80 + 0x20;
+		int sqr2_r = rand() % 0x80 + 0x20;
+		int sqr2_g = rand() % 0x80 + 0x20;
+		int sqr2_b = rand() % 0x80 + 0x20;
+
+		for (int y1 = 0; y1 < num_squares; ++y1)
+		{
+			for (int x1 = 0; x1 < num_squares; ++x1)
+			{
+				int px_start = mWidth * x1 / num_squares;
+				int px_end = (mWidth * (x1 + 1)) / num_squares;
+				int py_start = mHeight * y1 / num_squares;
+				int py_end = (mHeight * (y1 + 1)) / num_squares;
+
+				for (int y2 = py_start; y2 < py_end; ++y2)
+				{
+					for (int x2 = px_start; x2 < px_end; ++x2)
+					{
+						int rowspan = mWidth * mDepth;
+
+						if ((y1 % 2) ^ (x1 % 2))
+						{
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 0] = sqr1_r;
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 1] = sqr1_g;
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 2] = sqr1_b;
+						}
+						else
+						{
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 0] = sqr2_r;
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 1] = sqr2_g;
+							mBackgroundPixels[y2 * rowspan + x2 * mDepth + 2] = sqr2_b;
+						};
+					};
+				};
+			};
+		};
+
+		time(&mLastUpdateTime);
+	};
+
+	memcpy(mPixels, mBackgroundPixels, mWidth * mHeight * mDepth);
+
+	for (int n = 0; n < ENumObjects; ++n)
+	{
+		if (rand() % 50 == 0)
+		{
+			mXInc[n] = 0;
+			while (mXInc[n] == 0)
+				mXInc[n] = rand() % 7 - 3;
+
+			mYInc[n] = 0;
+			while (mYInc[n] == 0)
+				mYInc[n] = rand() % 9 - 4;
+		};
+
+		if (mXpos[n] + mXInc[n] < 0 || mXpos[n] + mXInc[n] >= mWidth - mBlockSize[n])
+			mXInc[n] = -mXInc[n];
+
+		if (mYpos[n] + mYInc[n] < 0 || mYpos[n] + mYInc[n] >= mHeight - mBlockSize[n])
+			mYInc[n] = -mYInc[n];
+
+		mXpos[n] += mXInc[n];
+		mYpos[n] += mYInc[n];
+
+		for (int y = 0; y < mBlockSize[n]; ++y)
+		{
+			for (int x = 0; x < mBlockSize[n]; ++x)
+			{
+				mPixels[(mXpos[n] + x) * mDepth + (mYpos[n] + y) * mDepth * mWidth + 0] = mColorR[n];
+				mPixels[(mXpos[n] + x) * mDepth + (mYpos[n] + y) * mDepth * mWidth + 1] = mColorG[n];
+				mPixels[(mXpos[n] + x) * mDepth + (mYpos[n] + y) * mDepth * mWidth + 2] = mColorB[n];
+			};
+		};
+	};
+
+	setDirty(0, 0, mWidth, mHeight);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-bool MediaPluginExample::init()
+bool mediaPluginExample::init()
 {
-    LLPluginMessage message( LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text" );
-    message.setValue( "name", "Example Plugin" );
-    sendMessage( message );
+	LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text");
+	message.setValue("name", "Example Plugin");
+	sendMessage(message);
 
-    return true;
+	return true;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 //
-int init_media_plugin( LLPluginInstance::sendMessageFunction host_send_func,
-                        void* host_user_data,
-                        LLPluginInstance::sendMessageFunction *plugin_send_func,
-                        void **plugin_user_data )
+int init_media_plugin(LLPluginInstance::sendMessageFunction host_send_func,
+	void* host_user_data,
+	LLPluginInstance::sendMessageFunction *plugin_send_func,
+	void **plugin_user_data)
 {
-    MediaPluginExample* self = new MediaPluginExample( host_send_func, host_user_data );
-    *plugin_send_func = MediaPluginExample::staticReceiveMessage;
-    *plugin_user_data = ( void* )self;
+	mediaPluginExample* self = new mediaPluginExample(host_send_func, host_user_data);
+	*plugin_send_func = mediaPluginExample::staticReceiveMessage;
+	*plugin_user_data = (void*)self;
 
-    return 0;
+	return 0;
 }
-