unsigned char* videoInputCamera::getFrame()
{
if (isFrameNew()){
unsigned char * src = sgCallback->pixels;
unsigned char *dest = cam_buffer;
if (!cfg->color) {
if (cfg->frame) flip_crop_rgb2gray(cfg->cam_width,src,dest);
else flip_rgb2gray(cfg->cam_width,cfg->cam_height,src,dest);
} else {
if (cfg->frame) flip_crop(cfg->cam_width,cfg->cam_height,src,dest,cfg->buf_format);
else flip(cfg->cam_width,cfg->cam_height,src,dest,cfg->buf_format);
}
lost_frames = 0;
return cam_buffer;
} else {
if (lost_frames>timeout) { // give up after 5 (at init) or 2 (at runtime) seconds
disconnect = true;
running = false;
} lost_frames++;
//Sleep(1);
return NULL;
}
}
void FileGrabber::update(){
ofVideoPlayer::update();
if(isFrameNew()){
VideoFrame * frame = getNextVideoFrame();
newFrameEvent.notify(this,*frame);
frame->release();
}
}
//--------------------------------------------------------------
void ofApp::setup(){
ofSetVerticalSync(true); // this seems to have no effect on windows/64/glfw currently
ofSetFrameRate(60);
gui.init();
auto rootGrid = gui.addGrid();
auto deviceList = ofxBlackmagic::Iterator::getDeviceList();
for(auto device : deviceList) {
auto input = shared_ptr<ofxBlackmagic::Input>(new ofxBlackmagic::Input());
static int index = 0;
auto mode = bmdModeHD1080p30; // switch this mode to match the resolution/refresh of your input stream
input->startCapture(device, mode);
this->inputs.push_back(input);
auto panel = make_shared<ofxCvGui::Panels::Draws>(*input);
panel->setCaption(input->getDevice().modelName);
panel->onDraw += [input] (ofxCvGui::DrawArguments&) {
if (input->isFrameNew()) {
ofxCvGui::Utils::drawText("New frame", 30, 90);
}
};
rootGrid->add(panel);
}
gui.addInspector();
ofxCvGui::InspectController::X().onClear += [this](ofxCvGui::InspectArguments & args) {
args.inspector->add(ofxCvGui::Widgets::LiveValueHistory::make("FPS", []() {
return ofGetFrameRate();
}));
for (auto input : this->inputs) {
args.inspector->add(ofxCvGui::Widgets::LiveValue<string>::make("Timecode", [input]() {
stringstream ss;
ss << input->getFrame().getTimecode();
return ss.str();
}));
}
};
ofxCvGui::InspectController::X().clear();
}
