FrameGrabberThreadTest.java :  » Linux » v4l4j » au » edu » jcu » v4l4j » test » Java Open Source

/*
* Copyright (C) 2007-2008 Gilles Gigan (gilles.gigan@gmail.com)
* eResearch Centre, James Cook University (eresearch.jcu.edu.au)
*
* This program was developed as part of the ARCHER project
* (Australian Research Enabling Environment) funded by a   
* Systemic Infrastructure Initiative (SII) grant and supported by the Australian
* Department of Innovation, Industry, Science and Research
*
* This program 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.
*
* This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*
*/

package au.edu.jcu.v4l4j.test;


import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import au.edu.jcu.v4l4j.FrameGrabber;
import au.edu.jcu.v4l4j.VideoDevice;
import au.edu.jcu.v4l4j.exceptions.V4L4JException;

public class FrameGrabberThreadTest {
  public class TestThread implements Runnable{
    int type;
    
    public TestThread(int t){
      type = t;
    }
    
    public void run(){
      if(type==1)
        try {
          run1();
        } catch (Exception e) {
          e.printStackTrace();
        }
      else if (type==2)
        try {
          run2();
        } catch (Exception e) {
          e.printStackTrace();
        }
      else if (type==3)
        try {
          run3();
        } catch (Exception e) {
          e.printStackTrace();
        }
      else if (type==4)
        try {
          run4();
        } catch (Exception e) {
          e.printStackTrace();
        }
    }
    

    public void run1() throws V4L4JException{
      long t = System.currentTimeMillis();
      fg.startCapture();
      System.out.println("RUN1: Starting capture");
      while(System.currentTimeMillis() - t < 10000) {
        fg.getVideoFrame().recycle();
      }
      System.out.println("RUN1: Done capturing - Stopping capture");
      fg.stopCapture();
      //we shouldnt get to here - stopCapture should fail
      System.out.println("RUN1: ************WE SHOULDNT BE HERE*********- exiting");
    }
    public void run2() throws InterruptedException{
      Thread.sleep(5000);
      System.out.println("RUN2: Running RELEASEFG");
      vd.releaseFrameGrabber();
      System.out.println("RUN2: exiting");
    }
    

    public void run3() throws V4L4JException{
      long t = System.currentTimeMillis();
      fg.startCapture();
      System.out.println("RUN3: Starting capture");
      while(System.currentTimeMillis() - t < 10000) {
        fg.getVideoFrame().recycle();
      }
      System.out.println("RUN3: Done capturing - stopping capture");
      fg.stopCapture();
      System.out.println("RUN3: RELEASEFG");
      vd.releaseFrameGrabber();
      System.out.println("RUN3: exiting");
    }
    public void run4() throws InterruptedException, V4L4JException{
      Thread.sleep(5000);
      System.out.println("RUN4: calling RELEASE");
      vd.release();
      System.out.println("RUN4: exiting");
    }
  }
  
  public VideoDevice vd;
  public FrameGrabber fg;
  
  public Thread t1, t2;
  public TestThread tt1, tt2;
  

  @Before
  public void setUp() throws Exception {
    int w,h, std, ch;
    String dev;
    dev = (System.getProperty("test.device")!=null) ? System.getProperty("test.device") : "/dev/video0"; 
    vd = new VideoDevice(dev);

    w = (System.getProperty("test.width")!=null) ? Integer.parseInt(System.getProperty("test.width")) : 320;
    h = (System.getProperty("test.height")!=null) ? Integer.parseInt(System.getProperty("test.height")) : 240;
    std = (System.getProperty("test.standard")!=null) ? Integer.parseInt(System.getProperty("test.standard")) : 0;
    ch = (System.getProperty("test.channel")!=null) ? Integer.parseInt(System.getProperty("test.channel")) : 0;
 
    fg = vd.getRawFrameGrabber(w, h, ch, std);
  }

  @After
  public void tearDown() throws Exception {
    vd.release();
  }
  
  @Test
  public void testConcurrentCapture() throws InterruptedException {
    tt1 = new TestThread(1);
    tt2 = new TestThread(2);
    t1 = new Thread(tt1, "tt1");
    t2 = new Thread(tt2, "tt2");
    t1.start();
    t2.start();
    t1.join();
    t2.join();
  }
  
  @Test
  public void testConcurrentCaptureNRelease() throws InterruptedException {
    tt1 = new TestThread(3);
    tt2 = new TestThread(4);
    t1 = new Thread(tt1, "tt1");
    t2 = new Thread(tt2, "tt2");
    t1.start();
    t2.start();
    t1.join();
    t2.join();
    
  }

}