ControlJob.java

/*
    This file is part of JFLICKS.

    JFLICKS is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    JFLICKS is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with JFLICKS.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.jflicks.tv.recorder.v4l2;

import org.jflicks.job.JobContainer;
import org.jflicks.job.JobEvent;
import org.jflicks.job.JobManager;
import org.jflicks.job.SystemJob;
import org.jflicks.tv.recorder.BaseDeviceJob;

/**
 * This job will change setup all seetings for the v4l2 device.
 *
 * @author Doug Barnum
 * @version 1.0
 */
public class ControlJob extends BaseDeviceJob {

    private int audioInput;
    private int videoInput;
    private String controlArgument;
    private boolean second;

    /**
     * Simple no argument constructor.
     */
    public ControlJob() {
    }

    /**
     * The audio input index.
     *
     * @return An int value.
     */
    public int getAudioInput() {
        return (audioInput);
    }

    /**
     * The audio input index.
     *
     * @param i An int value.
     */
    public void setAudioInput(int i) {
        audioInput = i;
    }

    /**
     * The video input index.
     *
     * @return An int value.
     */
    public int getVideoInput() {
        return (videoInput);
    }

    /**
     * The video input index.
     *
     * @param i An int value.
     */
    public void setVideoInput(int i) {
        videoInput = i;
    }

    /**
     * The String argument to set all user controls for this V4l2 device.
     *
     * @return A String value.
     */
    public String getControlArgument() {
        return (controlArgument);
    }

    /**
     * The String argument to set all user controls for this V4l2 device.
     *
     * @param s A String value.
     */
    public void setControlArgument(String s) {
        controlArgument = s;
    }

    private boolean hasSecond() {
        return (second);
    }

    private void setSecond(boolean b) {
        second = b;
    }

    /**
     * {@inheritDoc}
     */
    public void start() {

        setTerminate(false);
    }

    /**
     * {@inheritDoc}
     */
    public void run() {

        SystemJob job = null;
        String carg = getControlArgument();
        if (carg != null) {

            job = SystemJob.getInstance("v4l2-ctl -d " + getDevice()
                + " --set-ctrl=" + carg);
            setSecond(true);

        } else {

            job = SystemJob.getInstance("v4l2-ctl -d " + getDevice()
                + " --set-input=" + getVideoInput() + " --set-audio-input="
                + getAudioInput());
            setSecond(false);
        }

        fireJobEvent(JobEvent.UPDATE, "command: <" + job.getCommand() + ">");
        setSystemJob(job);
        job.addJobListener(this);
        JobContainer jc = JobManager.getJobContainer(job);
        setJobContainer(jc);
        jc.start();

        while (!isTerminate()) {

            JobManager.sleep(getSleepTime());
        }

        fireJobEvent(JobEvent.COMPLETE);
    }

    /**
     * {@inheritDoc}
     */
    public void stop() {

        setTerminate(true);
        JobContainer jc = getJobContainer();
        if (jc != null) {

            jc.stop();
            setJobContainer(null);
        }
    }

    /**
     * {@inheritDoc}
     */
    public void jobUpdate(JobEvent event) {

        if (event.getType() == JobEvent.COMPLETE) {

            SystemJob job = getSystemJob();
            if (job != null) {

                fireJobEvent(JobEvent.UPDATE, "ProgramJob: exit: "
                    + job.getExitValue());
                if (hasSecond()) {

                    job = SystemJob.getInstance("v4l2-ctl -d " + getDevice()
                        + " --set-input=" + getVideoInput()
                        + " --set-audio-input="
                        + getAudioInput());

                    fireJobEvent(JobEvent.UPDATE, "command: <"
                        + job.getCommand() + ">");

                    setSecond(false);
                    setSystemJob(job);
                    job.addJobListener(this);
                    JobContainer jc = JobManager.getJobContainer(job);
                    setJobContainer(jc);
                    jc.start();

                } else {

                    stop();
                }
            }
        }
    }

}