diff options
Diffstat (limited to 'indra/media_plugins/base/media_plugin_base.cpp')
| -rw-r--r-- | indra/media_plugins/base/media_plugin_base.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/indra/media_plugins/base/media_plugin_base.cpp b/indra/media_plugins/base/media_plugin_base.cpp new file mode 100644 index 0000000000..0b7092fad6 --- /dev/null +++ b/indra/media_plugins/base/media_plugin_base.cpp @@ -0,0 +1,154 @@ +/** + * @file media_plugin_base.cpp + * @brief Media plugin base class 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 "media_plugin_base.h" + + +// TODO: Make sure that the only symbol exported from this library is LLPluginInitEntryPoint +//////////////////////////////////////////////////////////////////////////////// +// + +MediaPluginBase::MediaPluginBase( + LLPluginInstance::sendMessageFunction host_send_func, + void *host_user_data ) +{ + mHostSendFunction = host_send_func; + mHostUserData = host_user_data; + mDeleteMe = false; + mPixels = 0; + mWidth = 0; + mHeight = 0; + mTextureWidth = 0; + mTextureHeight = 0; + mDepth = 0; + mStatus = STATUS_NONE; +} + +std::string MediaPluginBase::statusString() +{ + std::string result; + + switch(mStatus) + { + case STATUS_LOADING: result = "loading"; break; + case STATUS_LOADED: result = "loaded"; break; + case STATUS_ERROR: result = "error"; break; + case STATUS_PLAYING: result = "playing"; break; + case STATUS_PAUSED: result = "paused"; break; + default: + // keep the empty string + break; + } + + return result; +} + +void MediaPluginBase::setStatus(EStatus status) +{ + if(mStatus != status) + { + mStatus = status; + sendStatus(); + } +} + + +void MediaPluginBase::staticReceiveMessage(const char *message_string, void **user_data) +{ + MediaPluginBase *self = (MediaPluginBase*)*user_data; + + if(self != NULL) + { + self->receiveMessage(message_string); + + // If the plugin has processed the delete message, delete it. + if(self->mDeleteMe) + { + delete self; + *user_data = NULL; + } + } +} + +void MediaPluginBase::sendMessage(const LLPluginMessage &message) +{ + std::string output = message.generate(); + mHostSendFunction(output.c_str(), &mHostUserData); +} + +void MediaPluginBase::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); + + sendMessage(message); +} + +void MediaPluginBase::sendStatus() +{ + LLPluginMessage message(LLPLUGIN_MESSAGE_CLASS_MEDIA, "media_status"); + + message.setValue("status", statusString()); + + sendMessage(message); +} + + +#if LL_WINDOWS +# define LLSYMEXPORT __declspec(dllexport) +#elif LL_LINUX +# define LLSYMEXPORT __attribute__ ((visibility("default"))) +#else +# define LLSYMEXPORT /**/ +#endif + +extern "C" +{ + LLSYMEXPORT int LLPluginInitEntryPoint(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data); +} + +LLSYMEXPORT int +LLPluginInitEntryPoint(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data, LLPluginInstance::sendMessageFunction *plugin_send_func, void **plugin_user_data) +{ + return init_media_plugin(host_send_func, host_user_data, plugin_send_func, plugin_user_data); +} + +#ifdef WIN32 +int WINAPI DllEntryPoint( HINSTANCE hInstance, unsigned long reason, void* params ) +{ + return 1; +} +#endif |