101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/**
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* @file media_plugin_base.h
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* @brief Media plugin base class for LLMedia API plugin system
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*
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* @cond
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* $LicenseInfo:firstyear=2008&license=viewergpl$
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*
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* Copyright (c) 2008-2010, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlife.com/developers/opensource/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlife.com/developers/opensource/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*
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* @endcond
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*/
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#ifndef MEDIA_PLUGIN_BASE_H
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#define MEDIA_PLUGIN_BASE_H
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#include "basic_plugin_base.h"
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class MediaPluginBase : public BasicPluginBase
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{
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public:
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MediaPluginBase(LLPluginInstance::sendMessageFunction send_message_function, LLPluginInstance* plugin_instance);
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protected:
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/** Plugin status. */
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typedef enum
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{
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STATUS_NONE,
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STATUS_LOADING,
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STATUS_LOADED,
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STATUS_ERROR,
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STATUS_PLAYING,
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STATUS_PAUSED,
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STATUS_DONE
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} EStatus;
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/** Plugin shared memory. */
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class SharedSegmentInfo
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{
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public:
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/** Shared memory address. */
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void *mAddress;
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/** Shared memory size. */
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size_t mSize;
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};
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void sendStatus();
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std::string statusString();
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void setStatus(EStatus status);
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/// Note: The quicktime plugin overrides this to add current time and duration to the message.
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virtual void setDirty(int left, int top, int right, int bottom);
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/** Map of shared memory names to shared memory. */
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typedef std::map<std::string, SharedSegmentInfo> SharedSegmentMap;
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/** Pixel array to display. TODO:DOC are pixels always 24-bit RGB format, aligned on 32-bit boundary? Also: calling this a pixel array may be misleading since 1 pixel > 1 char. */
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unsigned char* mPixels;
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/** TODO:DOC what's this for -- does a texture have its own piece of shared memory? updated on size_change_request, cleared on shm_remove */
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std::string mTextureSegmentName;
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/** Width of plugin display in pixels. */
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int mWidth;
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/** Height of plugin display in pixels. */
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int mHeight;
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/** Width of plugin texture. */
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int mTextureWidth;
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/** Height of plugin texture. */
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int mTextureHeight;
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/** Pixel depth (pixel size in bytes). */
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int mDepth;
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/** Current status of plugin. */
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EStatus mStatus;
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/** Map of shared memory segments. */
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SharedSegmentMap mSharedSegments;
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};
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#endif // MEDIA_PLUGIN_BASE_H
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