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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// 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; either
// version 2 of the License, or (at your option) any later version.
//
// 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "GPURGB2YUVFilter.h"
#include "Bitmap.h"
#include "ShaderRegistry.h"
#include "OGLShader.h"
#include "ImagingProjection.h"
#include "../base/ObjectCounter.h"
#include "../base/MathHelper.h"
#include "../base/Exception.h"
#include <string.h>
#include <iostream>
#define SHADERID "rgb2yuv"
using namespace std;
namespace avg {
GPURGB2YUVFilter::GPURGB2YUVFilter(const IntPoint& size)
: GPUFilter(SHADERID, false, false)
{
ObjectCounter::get()->incRef(&typeid(*this));
setDimensions(size);
}
GPURGB2YUVFilter::~GPURGB2YUVFilter()
{
ObjectCounter::get()->decRef(&typeid(*this));
}
void GPURGB2YUVFilter::applyOnGPU(GLTexturePtr pSrcTex)
{
getShader()->activate();
draw(pSrcTex);
GLContext::checkError("GPURGB2YUVFilter::applyOnGPU()");
}
BitmapPtr GPURGB2YUVFilter::getResults()
{
BitmapPtr pBmp = getFBO()->getImage();
return pBmp;
}
}
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