/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016 Intel Corporation.
 *
 * This program and the accompanying materials are made available under the
 * terms of the The MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 */


var sensorObj = require('jsupm_vcap');


/************** Main code **************/

var defaultDev = "/dev/video0";

// if an argument was specified, use it as the device instead
if (process.argv.length > 2)
{
    defaultDev = process.argv[2];
}

console.log("Using device " + defaultDev);
console.log("Initializing...");

// Instantiate an VCAP instance, using the specified video device
var sensor = new sensorObj.VCAP(defaultDev);

// enable some debug/verbose output
sensor.setDebug(true);

// This is just a hint.  The kernel can change this to a lower
// resolution that the hardware supports.  Use getWidth() and
// getHeight() methods to see what the kernel actually chose if you
// care.
sensor.setResolution(1920, 1080);

// capture an image
sensor.captureImage();

// convert and save it as a jpeg
sensor.saveImage("video-img1.jpg");

// make sure we clean up
sensor = null;
sensorObj.cleanUp();
sensorObj = null;
console.log("Exiting...");
process.exit(0);