Moving to a private repo

1 files changed, 445 insertions, 0 deletions

diff --git a/indra/media_plugins/libvlc/media_plugin_libvlc.cpp b/indra/media_plugins/libvlc/media_plugin_libvlc.cpp
new file mode 100644
index 0000000000..47ba6f48b4
--- /dev/null
+++ b/indra/media_plugins/libvlc/media_plugin_libvlc.cpp
@@ -0,0 +1,445 @@
+/**
+ * @file media_plugin_libvlc.cpp
+ * @brief LibVLC plugin for LLMedia API plugin system
+ *
+ * @cond
+ * $LicenseInfo:firstyear=2008&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ * @endcond
+ */
+
+#include "linden_common.h"
+
+#include "llgl.h"
+#include "llplugininstance.h"
+#include "llpluginmessage.h"
+#include "llpluginmessageclasses.h"
+#include "media_plugin_base.h"
+
+#include "vlc/vlc.h"
+
+#include <time.h>
+
+////////////////////////////////////////////////////////////////////////////////
+//
+class MediaPluginLibVLC :
+        public MediaPluginBase
+{
+    public:
+        MediaPluginLibVLC( LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data );
+        ~MediaPluginLibVLC();
+
+        /*virtual*/ void receiveMessage( const char* message_string );
+
+    private:
+        bool init();
+        void update( F64 milliseconds );
+        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 ];
+
+		libvlc_instance_t* gLibVLC = 0;
+		libvlc_media_t* gLibVLCMedia = 0;
+		libvlc_media_player_t* gLibVLCMediaPlayer = 0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+//
+MediaPluginLibVLC::MediaPluginLibVLC( LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data ) :
+    MediaPluginBase( host_send_func, host_user_data )
+{
+    mFirstTime = true;
+	mTextureWidth = 64;
+	mTextureHeight = 64;
+    mWidth = 0;
+    mHeight = 0;
+    mDepth = 4;
+    mPixels = 0;
+    mLastUpdateTime = 0;
+	mBackgroundPixels = 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+MediaPluginLibVLC::~MediaPluginLibVLC()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+//
+void MediaPluginLibVLC::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")
+            {
+				char const* vlc_argv[] =
+				{
+					"--no-xlib",
+				};
+
+				int vlc_argc = sizeof(vlc_argv) / sizeof(*vlc_argv);
+				gLibVLC = libvlc_new(vlc_argc, vlc_argv);
+
+				if (!gLibVLC)
+				{
+				}
+
+				//if (gLibVLCMediaPlayer)
+				//{
+				//	libvlc_media_player_stop(gLibVLCMediaPlayer);
+				//	libvlc_media_player_release(gLibVLCMediaPlayer);
+				//}
+
+				const char*  url = "https://callum-linden.s3.amazonaws.com/sample_media/jb.mp4";
+
+				gLibVLCMedia = libvlc_media_new_location(gLibVLC, url);
+				if (!gLibVLCMedia)
+				{
+					printf("libvlc_media_new_location failed\n");
+				}
+				else
+				{
+					printf("libvlc_media_new_location ok\n");
+				}
+
+				gLibVLCMediaPlayer = libvlc_media_player_new_from_media(gLibVLCMedia);
+				if (!gLibVLCMediaPlayer)
+				{
+					printf("libvlc_media_player_new_from_media failed\n");
+				}
+				else
+				{
+					printf("libvlc_media_player_new_from_media ok...\n");
+				}
+
+				libvlc_media_release(gLibVLCMedia);
+
+//				gVLCCallbackContext.texture_pixels = gTexturePixels;
+//				gVLCCallbackContext.mp = gLibVLCMediaPlayer;
+
+//				libvlc_video_set_callbacks(gLibVLCMediaPlayer, lock, unlock, display, &gVLCCallbackContext);
+				libvlc_video_set_format(gLibVLCMediaPlayer, "RV32", mTextureWidth, mTextureHeight, mTextureWidth * 4);
+				libvlc_media_player_play(gLibVLCMediaPlayer);
+
+                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 = "LibVLC 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")
+            {
+				libvlc_media_player_stop(gLibVLCMediaPlayer);
+				libvlc_media_player_release(gLibVLCMediaPlayer);
+				libvlc_release(gLibVLC);
+            }
+            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);
+
+				mLastUpdateTime = 0;
+				mFirstTime = true;
+
+            }
+            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 MediaPluginLibVLC::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 ( 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 MediaPluginLibVLC::init()
+{
+    LLPluginMessage message( LLPLUGIN_MESSAGE_CLASS_MEDIA, "name_text" );
+    message.setValue( "name", "LibVLC Plugin" );
+    sendMessage( message );
+
+    return true;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+//
+int init_media_plugin( LLPluginInstance::sendMessageFunction host_send_func,
+                        void* host_user_data,
+                        LLPluginInstance::sendMessageFunction *plugin_send_func,
+                        void **plugin_user_data )
+{
+    MediaPluginLibVLC* self = new MediaPluginLibVLC( host_send_func, host_user_data );
+    *plugin_send_func = MediaPluginLibVLC::staticReceiveMessage;
+    *plugin_user_data = ( void* )self;
+
+    return 0;
+}