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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "oglframegrabber.hxx"
#include <cppuhelper/supportsservice.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/graph.hxx>
#include <vcl/salbtype.hxx>
#include <vcl/bmpacc.hxx>
#include <vcl/opengl/OpenGLHelper.hxx>
#include <memory>
using namespace com::sun::star;
using namespace libgltf;
namespace avmedia { namespace ogl {
OGLFrameGrabber::OGLFrameGrabber( glTFHandle& rHandle )
: FrameGrabber_BASE()
, m_rHandle( rHandle )
{
}
OGLFrameGrabber::~OGLFrameGrabber()
{
}
uno::Reference< css::graphic::XGraphic > SAL_CALL OGLFrameGrabber::grabFrame( double /*fMediaTime*/ )
throw ( uno::RuntimeException, std::exception )
{
std::unique_ptr<sal_uInt8[]> pBuffer(new sal_uInt8[m_rHandle.viewport.width * m_rHandle.viewport.height * 4]);
glTFHandle* pHandle = &m_rHandle;
int nRet = gltf_renderer_get_bitmap(&pHandle, 1, reinterpret_cast<char*>(pBuffer.get()), GL_BGRA);
if( nRet != 0 )
{
SAL_WARN("avmedia.opengl", "Error occurred while rendering to bitmap! Error code: " << nRet);
return uno::Reference< css::graphic::XGraphic >();
}
BitmapEx aBitmap = OpenGLHelper::ConvertBGRABufferToBitmapEx(pBuffer.get(), m_rHandle.viewport.width, m_rHandle.viewport.height);
return Graphic( aBitmap ).GetXGraphic();
}
OUString SAL_CALL OGLFrameGrabber::getImplementationName() throw ( uno::RuntimeException, std::exception )
{
return OUString("com.sun.star.comp.avmedia.FrameGrabber_OpenGL");
}
sal_Bool SAL_CALL OGLFrameGrabber::supportsService( const OUString& rServiceName )
throw ( uno::RuntimeException, std::exception )
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence< OUString > SAL_CALL OGLFrameGrabber::getSupportedServiceNames()
throw ( uno::RuntimeException, std::exception )
{
uno::Sequence< OUString > aRet(1);
aRet[0] = "com.sun.star.media.FrameGrabber_OpenGL";
return aRet;
}
} // namespace ogl
} // namespace avmedia
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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