如何解决Sarxos 网络摄像头库
我正在尝试访问通过 USB 连接的 4 个网络摄像头。问题是当我直接连接网络摄像头时它工作得很好,但是当我使用 HUB 3.0 来连接我的网络摄像头然后尝试访问网络摄像头时,它给了我一些错误。
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (nop) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" com.github.sarxos.webcam.WebcamException: Cannot execute task
at com.github.sarxos.webcam.WebcamProcessor$AtomicProcessor.process(WebcamProcessor.java:72)
at com.github.sarxos.webcam.WebcamProcessor.process(WebcamProcessor.java:140)
at com.github.sarxos.webcam.WebcamTask.process(WebcamTask.java:46)
at com.github.sarxos.webcam.ds.cgt.WebcamOpenTask.open(WebcamOpenTask.java:20)
at com.github.sarxos.webcam.Webcam.open(Webcam.java:295)
at com.github.sarxos.webcam.Webcam.open(Webcam.java:250)
at com.github.sarxos.webcam.Webcam.open(Webcam.java:236)
at RunningWebcams.main(RunningWebcams.java:83)
Caused by: com.github.sarxos.webcam.WebcamException: Cannot start native grabber!
at com.github.sarxos.webcam.ds.buildin.WebcamDefaultDevice.open(WebcamDefaultDevice.java:334)
at com.github.sarxos.webcam.ds.cgt.WebcamOpenTask.handle(WebcamOpenTask.java:38)
at com.github.sarxos.webcam.WebcamProcessor$AtomicProcessor.run(WebcamProcessor.java:81)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.base/java.lang.Thread.run(Thread.java:832)
我使用的代码是:
Webcam webcam1;
Webcam webcam2;
Webcam webcam3;
Webcam webcam4;
webcam1 = Webcam.getWebcams().get(0); // Camera 1
webcam2 = Webcam.getWebcams().get(1); // Camera 2
webcam3 = Webcam.getWebcams().get(2); // Camera 3
webcam4 = Webcam.getWebcams().get(3); // Camera 4
webcam1.setViewSize(WebcamResolution.VGA.getSize()); // set size
webcam2.setViewSize(WebcamResolution.VGA.getSize()); // set size
webcam3.setViewSize(WebcamResolution.VGA.getSize()); // set size
webcam4.setViewSize(WebcamResolution.VGA.getSize()); // set size
webcam1.open();
webcam2.open();
webcam3.open();
webcam4.open();
有没有办法在不降低分辨率和使用 HUB 的情况下解决这些错误?
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