void SimpleVideoInput::openFormatContext(const std::string & fileName)
{
initLibavcodec();
///////////////////
// Open file
AVFormatContext *pFormatCtx = nullptr;
if (avformat_open_input(&pFormatCtx, fileName.c_str(), nullptr, nullptr) != 0)
throw std::runtime_error("Cannot open file: Does not exists or is no supported format");
m_detail->format
= std::shared_ptr<AVFormatContext>(pFormatCtx,
[](AVFormatContext *format)
{
avformat_close_input(&format);
});
if (avformat_find_stream_info(pFormatCtx, nullptr) < 0)
throw std::runtime_error("File contains no streams");
findFirstVideoStream();
openCodec();
prepareTargetBuffer();
prepareResizeContext();
m_detail->isOpened = true;
}
void Raytracer::startRaytrace()
{
if (!allThreadsFinished())
{
return;
}
threads.clear();
needRedraw = false;
#ifndef _DEBUG
prepareTargetBuffer(windowWidth, windowHeight);
int numThreads = 6;
#else
int numThreads = 1;
#endif
for (int threadNo = 0; threadNo != numThreads; ++threadNo)
{
ThreadPtr t(new RaytraceThread(threadNo, numThreads, scene, camera, targetBuffer));
threads.push_back(t);
}
}
Raytracer::Raytracer(): texture(0)
{
prepareTargetBuffer(128,128);
std::shared_ptr<Clump3d> clump(new Clump3d);
//
// Cube
//
std::shared_ptr<MeshGeometry3d> geom1(new MeshGeometry3d());
cube(geom1->getMesh());
geom1->meshChanged();
geom1->setColor(GAL::P4d(1.0, 0.0, 0.0, 1.0));
std::shared_ptr<MeshGeometry3d> geom5(new MeshGeometry3d());
cube(geom5->getMesh());
geom5->meshChanged();
geom5->setColor(GAL::P4d(0.0, 0.7, 1.0, 1.0));
//
// Manifold
//
std::shared_ptr<MeshGeometry<Vertex3d> > geom3(new MeshGeometry<Vertex3d>());
manifold(geom3->getMesh());
geom3->meshChanged();
geom3->setColor(GAL::P4d(1.0, 1.0, 0.0, 1.0));
//
// Sphere
//
std::shared_ptr<SphereGeometry3d> geom2(new SphereGeometry3d(0.5));
geom2->setColor(GAL::P4d(0.0, 1.0, 1.0, 1.0));
std::shared_ptr<SphereGeometry3d> geom4(new SphereGeometry3d(0.25));
geom4->setColor(GAL::P4d(1.0, 0.8, 0.0, 1.0));
clump->addGeometry(geom1);
clump->addGeometry(geom2);
clump->addGeometry(geom3);
clump->addGeometry(geom4);
clump->addGeometry(geom5);
geom1->setTranslation(GAL::P3d(-1,-1,0));
geom2->setTranslation(GAL::P3d(0,1,0));
geom3->setTranslation(GAL::P3d(1,0.5,0));
geom3->setLocalTransform(GAL::EulerRotationX(90.0), 0);
geom4->setTranslation(GAL::P3d(1.2,1,0.8));
geom5->setTranslation(GAL::P3d(0,1,-3));
geom5->setLocalTransform(GAL::EulerRotationY(10.0), 0);
scene.addClump(clump);
std::shared_ptr<Light3d> light1(new Light3d());
light1->setPosition(GAL::P3d(1,4,-1));
light1->setDiffuseColor(GAL::P3d(0.7, 0.7, 0.7));
light1->setSpecularColor(GAL::P3d(1.0, 1.0, 1.0));
light1->setShadow(true);
light1->setSoftShadowWidth(0.05);
scene.addLight(light1);
std::shared_ptr<Light3d> light2(new Light3d());
light2->setPosition(GAL::P3d(-1,4,3));
light2->setDiffuseColor(GAL::P3d(0.7, 0.7, 0.7));
light2->setSpecularColor(GAL::P3d(1.0, 1.0, 1.0));
light2->setShadow(true);
light2->setSoftShadowWidth(0.05);
scene.addLight(light2);
camera.setFrustum(-1, 1, -1, 1, -1, -100);
camera.setTranslation(GAL::P3d(1,2,3));
camera.setLocalTransform(GAL::EulerRotationX(30.0) * GAL::EulerRotationY(15.0), 0);
camera.setFSAA(true);
camera.setRecursionDepth(3);
}
