我目前正在开始一个项目,我想从我的摄像头捕捉和操作数据流以启动我想从我的摄像头拍摄一些照片并将其显示给用户。然而这给了一个错误。java捕捉摄像头图像macbook
public class quicktest implements Runnable {
public static void main(String[] args){
Thread t=new Thread(new quicktest());
t.start();
}
IplImage image;
CanvasFrame canvas = new CanvasFrame("Web Cam");
public quicktest() {
canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE);
}
@Override
public void run() {
FrameGrabber grabber = new VideoInputFrameGrabber(0);
int i=0;
try {
grabber.start();
IplImage img;
while (true) {
img = grabber.grab();
if (img != null) {
cvFlip(img, img, 1);// l-r = 90_degrees_steps_anti_clockwise
// show image on window
canvas.showImage(img);
}
Thread.sleep(1000);
}
} catch (Exception e) {
}
}
这给了以下异常:
Exception in thread "Thread-3" java.lang.UnsatisfiedLinkError: no jnivideoInputLib in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1764)
at java.lang.Runtime.loadLibrary0(Runtime.java:823)
at java.lang.System.loadLibrary(System.java:1044)
at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:711)
at com.googlecode.javacpp.Loader.load(Loader.java:586)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.videoInputLib.<clinit>(videoInputLib.java:81)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at com.googlecode.javacpp.Loader.load(Loader.java:561)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.videoInputLib$videoInput.<clinit>(videoInputLib.java:193)
at com.googlecode.javacv.VideoInputFrameGrabber.start(VideoInputFrameGrabber.java:101)
at com.googlecode.javacv.VideoInputFrameGrabber.start(VideoInputFrameGrabber.java:98)
at quicktest.run(quicktest.java:27)
at java.lang.Thread.run(Thread.java:695)
我已经搜索并尝试什么建议here,但是这给了我另一个错误:
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at com.googlecode.javacpp.Loader.load(Loader.java:561)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.videoInputLib$videoInput.<clinit>(videoInputLib.java:193)
at Main.main(Main.java:5)
没有人知道如何解决这个?顺便说一下,这发生在MacBook Pro 10.7.5并试图使用网络摄像头内置。虽然它明显不应该重要,但也有附加的大裂谷。 使用OpenCVFrameGrabber
代替给我一个java.lang.UnsatisfiedLinkError: no jniopencv_highgui in java.library.path
异常。
顺便说一句,如果有人知道另一种简单的方法来从我的摄像头获取图像到java将有所帮助。
已经做了什么benny.la说我isntead线程 “线程3” java.lang.UnsatisfiedLinkError中得到
例外:无jnivideoInputLib中的java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1764)
at java.lang.Runtime.loadLibrary0(Runtime.java:823)
at java.lang.System.loadLibrary(System.java:1044)
at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:711)
at com.googlecode.javacpp.Loader.load(Loader.java:586)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.videoInputLib.<clinit>(videoInputLib.java:81)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at com.googlecode.javacpp.Loader.load(Loader.java:561)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.videoInputLib$videoInput.<clinit>(videoInputLib.java:193)
at com.googlecode.javacv.VideoInputFrameGrabber.start(VideoInputFrameGrabber.java:101)
at com.googlecode.javacv.VideoInputFrameGrabber.start(VideoInputFrameGrabber.java:98)
at quicktest.run(quicktest.java:29)
at java.lang.Thread.run(Thread.java:695)
例外。
错误是抱怨缺少本地库。类似问题:http://code.google.com/p/javacv/issues/detail?id=307。如果我理解正确,'videoInput'仅适用于Windows。你需要使用不同的库。 –
即使在链接内建议的其他类也不能正常工作,因为它仍会引发错误,还有其他想法吗? – Thijser
尝试使用FrameGrabber。createDefault(0) – Dyrborg