com.github.sarxos.webcam.ds.fswebcam.FsWebcamDriver Maven / Gradle / Ivy

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This is one of the capture drivers which can be used by Webcam Capture API to fetch image from webcam device. This specific capture driver is using fswebcam command line tool by by Philip Heron to access the image.

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package com.github.sarxos.webcam.ds.fswebcam;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.github.sarxos.webcam.WebcamDevice;
import com.github.sarxos.webcam.WebcamDiscoverySupport;
import com.github.sarxos.webcam.WebcamDriver;
import com.github.sarxos.webcam.ds.fswebcam.impl.VideoDeviceFilenameFilter;


public class FsWebcamDriver implements WebcamDriver, WebcamDiscoverySupport {

	private static final Logger LOG = LoggerFactory.getLogger(FsWebcamDriver.class);

	private static final VideoDeviceFilenameFilter VFFILTER = new VideoDeviceFilenameFilter();

	private long scanInterval;
	
	@Override
	public List getDevices() {

		List devices = new ArrayList();

		for (File vfile : VFFILTER.getVideoFiles()) {
			LOG.info("Found video file {}", vfile);
			devices.add(new FsWebcamDevice(vfile));
		}

		return devices;
	}

	@Override
	public boolean isThreadSafe() {
		return false;
	}

	/**
	 * @see FsWebcamDriver#getScanInterval()
	 */
	public void setScanInterval(long scanInterval) {
		this.scanInterval = scanInterval;
	}

	@Override
	public long getScanInterval() {
		return scanInterval;
	}

	@Override
	public boolean isScanPossible() {
		return true;
	}

	@Override
	public String toString() {
		return getClass().getSimpleName();
	}
}