// the principal program sequence
void VisionEngine::start() {
if (!interface_) interface_ = new ConsoleInterface(app_name_.c_str());
if (!interface_->openDisplay(this)) {
delete interface_;
interface_ = new ConsoleInterface(app_name_.c_str());
interface_->openDisplay(this);
}
if(camera_==NULL ) {
interface_->displayError("No camera found!");
return;
}
if( camera_->startCamera() ) {
initFrameProcessors();
startThread();
mainLoop();
stopThread();
} else interface_->displayError("Could not start camera!");
teardownCamera();
freeBuffers();
}
// the principal program sequence
void PortVideoSDL::run() {
if( !setupCamera() ) {
if( !setupWindow() ) return;
showError("No camera found!");
teardownWindow();
return;
}
if( !setupWindow() ) return;
allocateBuffers();
initFrameProcessors();
bool success = camera_->startCamera();
if( success ){
SDL_FillRect(window_,0,0);
SDL_Flip(window_);
// add the help message from all FrameProcessors
for (frame = processorList.begin(); frame!=processorList.end(); frame++) {
std::vector<std::string> processor_text = (*frame)->getOptions();
if (processor_text.size()>0) help_text.push_back("");
for(std::vector<std::string>::iterator processor_line = processor_text.begin(); processor_line!=processor_text.end(); processor_line++) {
help_text.push_back(*processor_line);
}
}
//print the help message
for(std::vector<std::string>::iterator help_line = help_text.begin(); help_line!=help_text.end(); help_line++) {
std::cout << *help_line << std::endl;
} std::cout << std::endl;
running_=true;
cameraThread = SDL_CreateThread(getFrameFromCamera,this);
controlThread= SDL_CreateThread(getControlMessage,this);
mainLoop();
SDL_KillThread(cameraThread);
SDL_KillThread(controlThread);
teardownCamera();
} else {
showError("Could not start camera!");
}
teardownWindow();
freeBuffers();
}
