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/**
* @file llmediabase.cpp
* @brief LLMedia support - base class
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* Copyright (c) 2005-2007, 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 "llmediabase.h"
#include "llmediaimplquicktime.h"
#include "llmediaimplgstreamer.h"
LLMediaBase::LLMediaBase() :
mBufferChangeCount ( 1 ),
mLastBufferChangeCount ( 0 ),
mMediaWidth ( 0 ),
mMediaHeight ( 0 ),
mMediaDepthBytes ( 0 ),
mMediaRowbytes( 0 ),
mTextureWidth ( 0 ),
mTextureHeight ( 0 ),
mTextureDepth ( 0 ),
mTextureFormatInternal ( 0 ),
mTextureFormatPrimary ( 0 ),
mTextureFormatType ( 0 ),
mTextureFormatSwapBytes ( 0 )
{
}
///////////////////////////////////////////////////////////////////////////////
// factory method based on explicit media type
LLMediaBase* LLMediaBase::make( const MediaType mediaTypeIn, S32 width_pixels, S32 height_pixels )
{
#if LL_QUICKTIME_ENABLED
if ( mediaTypeIn == QuickTime )
{
return new LLMediaImplQuickTime ();
}
else
#endif
#if LL_GSTREAMER_ENABLED
if ( mediaTypeIn == QuickTime )
{
return new LLMediaImplGStreamer ();
}
else
#endif
return 0;
}
///////////////////////////////////////////////////////////////////////////////
//
BOOL
LLMediaBase::
init ()
{
// build event and emit it
LLMediaEvent event ( 0, "" );
mMediaEventEmitter.update ( &LLMediaObserver::onInit, event );
return TRUE;
}
///////////////////////////////////////////////////////////////////////////////
//
BOOL
LLMediaBase::
load ( const LLString& urlIn )
{
// build event and emit it
LLMediaEvent event ( 0, urlIn );
mMediaEventEmitter.update ( &LLMediaObserver::onLoad, event );
return TRUE;
}
///////////////////////////////////////////////////////////////////////////////
//
BOOL
LLMediaBase::
unload ()
{
LLMediaEvent event ( 0, "" );
mMediaEventEmitter.update ( &LLMediaObserver::onUnload, event );
return TRUE;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureWidth() const
{
return mTextureWidth;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureHeight() const
{
return mTextureHeight;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureDepth() const
{
return mTextureDepth;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureFormatInternal() const
{
return mTextureFormatInternal;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureFormatPrimary() const
{
return mTextureFormatPrimary;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureFormatType() const
{
return mTextureFormatType;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getTextureFormatSwapBytes() const
{
return mTextureFormatSwapBytes;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getMediaWidth() const
{
return mMediaWidth;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getMediaHeight() const
{
return mMediaHeight;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getMediaDepthBytes() const
{
return mMediaDepthBytes;
}
///////////////////////////////////////////////////////////////////////////////
//
S32 LLMediaBase::getMediaBufferSize() const
{
if(mMediaRowbytes != 0)
{
return mMediaHeight * mMediaRowbytes;
}
return mMediaWidth * mMediaHeight * mMediaDepthBytes;
};
///////////////////////////////////////////////////////////////////////////////
//
BOOL LLMediaBase::addMediaObserver( LLMediaObserver* observerIn )
{
return mMediaEventEmitter.addObserver( observerIn );
}
///////////////////////////////////////////////////////////////////////////////
//
BOOL LLMediaBase::remMediaObserver( LLMediaObserver* observerIn )
{
return mMediaEventEmitter.remObserver( observerIn );
}
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