memory leak in VideoWriter::write?

#include <iostream>
#include <opencv2/opencv.hpp>

int main(int argc, char **argv)
{
	if (argc < 3)
	{
		std::cout << "./a.out <video file name> <number of frames>" << std::endl;
		return 0;
	}
	
	std::string outvideoname(argv[1]);
	
	unsigned framecount = atoi(argv[2]);
	
	cv::Mat frame(1080, 1920, CV_8UC3, cv::Scalar(186, 186, 186));

	cv::VideoWriter outvid(
		outvideoname,
		CV_FOURCC('M', 'J', 'P', 'G'),
		25,
		frame.size());

	std::cout << "writer open? " << (outvid.isOpened() ? "yes" : "NO") << std::endl;
	if (!outvid.isOpened())
		return -1;

	for (unsigned c = 0; c < framecount; c += 1)
	{
		if (c % 25 == 0)
			std::cout << "\rwriting frame " << c << std::flush;
		outvid.write(frame);
	}
	
	std::cout << std::endl;

	return 0;
}