#include "videoprovider.h"

#include <stdexcept>
#include <AR/video.h>

VideoProvider::VideoProvider() {
	// Open video device.
	if(arVideoOpen(NULL) < 0) {
		throw(std::runtime_error("arVideoOpen() failed."));
	}

	// Find the size of the window.
	if(arVideoInqSize(&xsize, &ysize) < 0) {
		throw(std::runtime_error("arVideoInqSize() failed."));
	}
}

VideoProvider::~VideoProvider() {
	stop();
	arVideoClose();
}

void VideoProvider::start() {
	arVideoCapStart();
}

void VideoProvider::stop() {
	arVideoCapStop();
}

uint8_t* VideoProvider::get() {
	return arVideoGetImage();
}

void VideoProvider::next() {
	arVideoCapNext();
}