Example
VideoWriter videoWriter;
videoWriter = new VideoWriter(outputFile, VideoWriter.fourcc('x', '2','6','4'),
fps, frameSize, isRGB);
//We have stated that we will use x264 as codec with FourCC
//For writing, we add the following method and it will write the image we give as parameter in this call.
public void Write(Mat frame) {
if(videoWriter.isOpened()==false){
videoWriter.release();
throw new IllegalArgumentException("Video Writer Exception: VideoWriter not opened,"
+ "check parameters.");
}
//Write video
videoWriter.write(frame);
}
//With Video Capture for example, we can read images from the camera and write the same video
VideoCapture videoCapture = new VideoCapture(0);
Size frameSize = new Size((int) videoCapture.get(Videoio.CAP_PROP_FRAME_WIDTH), (int) videoCapture.get(Videoio.CAP_PROP_FRAME_HEIGHT));
VideoWriter videoWriter = new VideoWriter("test.avi", VideoWriter.fourcc('x', '2','6','4'),
videoCapture.get(Videoio.CAP_PROP_FPS), frameSize, true);
while (videoCapture.read(mat)) {
videoWriter.write(mat);
}
videoCapture.release();
videoWriter.release();
