USBカメラをJAVAで制御

import javax.media.control.FrameGrabbingControl;

import javax.media.format.VideoFormat;

import javax.media.util.BufferToImage;

import javax.swing.*;

import java.awt.*;

import java.util.*;

public class test implements Runnable{

Thread timer;

Image img = null;

java.awt.image.BufferedImage ssimg = null;

JFrame frame =null;

Player player = null;

public test()

{

ini();

}

public void ini()

{

//USBカメラとの接続

try{

frame = new JFrame("USB-Camera");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

player = Manager.createRealizedPlayer(new MediaLocator("vfw://0"));

frame.setBounds(50, 50, 320, 240);

frame.getContentPane().add(player.getVisualComponent());

frame.setVisible(true);

player.start();

}catch(Exception e){};

//タイマースタート

timer = new Thread(this);

timer.start();

}

// 実行関数

public void run()

{

//カウンタ

int i=0;

//無限ループ

do{

//600秒休憩

try{ timer.sleep(600000);}catch(InterruptedException e){}

i++;

//画像をバファードイメージに入れる

FrameGrabbingControl frameGrabber = (FrameGrabbingControl) player.getControl("javax.media.control.FrameGrabbingControl");

Buffer buf = frameGrabber.grabFrame();

BufferToImage b2i = new BufferToImage((VideoFormat) buf.getFormat());

img = b2i.createImage(buf);

ssimg = new java.awt.image.BufferedImage( 320, 240 ,img.SCALE_SMOOTH );

Graphics g = null;

g = ssimg.getGraphics() ;

g.drawImage(img, 0, 0, Color.white, null) ;

//保存ファイル名の作成

String fname = ""+i;

while(true){if( fname.length() < 5){ fname = "0" + fname; }else{break;}}

fname = "Date"+CalendarToString()+"-No"+ fname;

//画像に文字を記入

g.setColor( java.awt.Color.red );

g.drawString( fname , 5 , 235 );

//ファイルに保存

// savePng(ssimg,fname);

saveJpg(ssimg,fname);

saveJpg(ssimg,"image");

// System.exit(0);

}while(true);

}

//PNG形式で保存

public void savePng(java.awt.image.BufferedImage ssimg ,String fname )

{

try {

java.io.File f = new java.io.File( fname + ".png" );

javax.imageio.ImageIO.write( ssimg , "png", f );

f=null;

}catch (Exception e) { e.printStackTrace(); }

}

//JPG形式で保存

public void saveJpg(java.awt.image.BufferedImage ssimg ,String fname )

{

try {

java.io.File f = new java.io.File( fname + ".jpg" );

javax.imageio.ImageIO.write( ssimg , "jpg", f );

f=null;

}catch (Exception e) { e.printStackTrace(); }

}

//現在の時刻を示す文字列を作成

public String CalendarToString()

{

String stmp = "";

Calendar c = Calendar.getInstance(); //一時使用ｶﾚﾝﾀﾞの作成

int yr = c.get(Calendar.YEAR); int mn = c.get(Calendar.MONTH);

int dy = c.get(Calendar.DATE); int hr = c.get(Calendar.HOUR_OF_DAY);

int min = c.get(Calendar.MINUTE); int sec= c.get(Calendar.SECOND);

String nowstring = Integer.toString(yr);

stmp = Integer.toString( mn+1 ); if( stmp.length() < 2){ stmp = "0" + stmp; } nowstring = nowstring + stmp;

stmp = Integer.toString( dy ); if( stmp.length() < 2){ stmp = "0" + stmp; } nowstring = nowstring + stmp;

stmp = Integer.toString( hr ); if( stmp.length() < 2){ stmp = "0" + stmp; } nowstring = nowstring + stmp;

stmp = Integer.toString( min ); if( stmp.length() < 2){ stmp = "0" + stmp; } nowstring = nowstring + stmp;

stmp = Integer.toString( sec ); if( stmp.length() < 2){ stmp = "0" + stmp; } nowstring = nowstring + stmp;

//+Integer.toString(dy)

// +Integer.toString(hr)+Integer.toString(min)+Integer.toString(sec);

c= null;

return nowstring;

}

public static void main(String args[]) throws Exception {

test t = new test();

}

}