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+/**
+ * @file media_plugin_base.h
+ * @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 "llplugininstance.h"
+#include "llpluginmessage.h"
+#include "llpluginmessageclasses.h"
+
+
+class MediaPluginBase
+{
+public:
+ MediaPluginBase(LLPluginInstance::sendMessageFunction host_send_func, void *host_user_data);
+ virtual ~MediaPluginBase() {}
+
+ virtual void receiveMessage(const char *message_string) = 0;
+
+ static void staticReceiveMessage(const char *message_string, void **user_data);
+
+protected:
+
+ typedef enum
+ {
+ STATUS_NONE,
+ STATUS_LOADING,
+ STATUS_LOADED,
+ STATUS_ERROR,
+ STATUS_PLAYING,
+ STATUS_PAUSED,
+ } EStatus;
+
+ class SharedSegmentInfo
+ {
+ public:
+ void *mAddress;
+ size_t mSize;
+ };
+
+ void sendMessage(const LLPluginMessage &message);
+ void sendStatus();
+ std::string statusString();
+ void setStatus(EStatus status);
+
+ // The quicktime plugin overrides this to add current time and duration to the message...
+ virtual void setDirty(int left, int top, int right, int bottom);
+
+ typedef std::map<std::string, SharedSegmentInfo> SharedSegmentMap;
+
+
+ LLPluginInstance::sendMessageFunction mHostSendFunction;
+ void *mHostUserData;
+ bool mDeleteMe;
+ unsigned char* mPixels;
+ std::string mTextureSegmentName;
+ int mWidth;
+ int mHeight;
+ int mTextureWidth;
+ int mTextureHeight;
+ int mDepth;
+ EStatus mStatus;
+ SharedSegmentMap mSharedSegments;
+
+};
+
+// The plugin must define this function to create its instance.
+int init_media_plugin(
+ LLPluginInstance::sendMessageFunction host_send_func,
+ void *host_user_data,
+ LLPluginInstance::sendMessageFunction *plugin_send_func,
+ void **plugin_user_data);
+
+// It should look something like this:
+/*
+{
+ MediaPluginFoo *self = new MediaPluginFoo(host_send_func, host_user_data);
+ *plugin_send_func = MediaPluginFoo::staticReceiveMessage;
+ *plugin_user_data = (void*)self;
+
+ return 0;
+}
+*/
+