upm/examples/c++/vcap.cxx

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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include "vcap.hpp"
using namespace std;
int main(int argc, char **argv)
{
//! [Interesting]
string defaultDev = "/dev/video0";
// if an argument was specified, use it as the device instead
if (argc > 1)
defaultDev = string(argv[1]);
cout << "Using device " << defaultDev << endl;
cout << "Initializing..." << endl;
// Instantiate an VCAP instance, using the specified video device
upm::VCAP *sensor = new upm::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");
cout << "Exiting..." << endl;
delete sensor;
//! [Interesting]
return 0;
}