如何在 android 模拟器中使用网络摄像头捕捉实时图像？
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How to use web camera in android emulator to capture a live image?
提问by Kumar
As far as i know, Android emulator doesn't have a camera. To capture a live image we have to use the web camera. I have seen code in this web siteto use the web camera in the android emulator to capture an image, but I don't know how to use this code.
据我所知，Android 模拟器没有摄像头。要捕获实时图像，我们必须使用网络摄像头。我在这个网站上看到过使用android模拟器中的网络摄像头来捕获图像的代码，但我不知道如何使用这段代码。
采纳答案by Leo Jweda
- Download all the source files listed on the page: CameraSource, GenuineCamera, HttpCamera, SocketCamera, BitmapCamera, and WebcamBroadcaster.
- Create a package in your project called com.tomgibara.android.camera and place the first 4 source files inside.
- Download JMF from hereand install it.
- Compile WebcamBroadcaster using the following command: "C:\Program Files (x86)\Java\jdk1.6.0_15\bin\javac.exe" -classpath "C:\Program Files (x86)\JMF2.1.1e\lib" WebcamBroadcaster.java or what's equivalent to it.
- Run it with the following command and keep it running: java "-Djava.library.path=C:\Program Files (x86)\JMF2.1.1d\lib" WebcamBroadcaster
- Use the following code in your program:
- 下载页面上列出的所有源文件：CameraSource、GenuineCamera、HttpCamera、SocketCamera、BitmapCamera 和 WebcamBroadcaster。
- 在您的项目中创建一个名为 com.tomgibara.android.camera 的包，并将前 4 个源文件放入其中。
- 从这里下载 JMF并安装它。
- 使用以下命令编译 WebcamBroadcaster： "C:\Program Files (x86)\Java\jdk1.6.0_15\bin\javac.exe" -classpath "C:\Program Files (x86)\JMF2.1.1e\lib" WebcamBroadcaster .java 或等效于它的东西。
- 使用以下命令运行并保持运行： java "-Djava.library.path=C:\Program Files (x86)\JMF2.1.1d\lib" WebcamBroadcaster
- 在您的程序中使用以下代码：
CameraSource cs = new SocketCamera("192.168.0.100", 9889, 320, 240, true); if (!cs.open()) { /* deal with failure to obtain camera */ } while(/*some condition*/) { cs.capture(canvas) //capture the frame onto the canvas } cs.close();
CameraSource cs = new SocketCamera("192.168.0.100", 9889, 320, 240, true); if (!cs.open()) { /* deal with failure to obtain camera */ } while(/*some condition*/) { cs.capture(canvas) //capture the frame onto the canvas } cs.close();
PS: I haven't been able to test this because I'm getting an error when I run WebcamBroadcaster.
PS：我无法对此进行测试，因为我在运行WebcamBroadcaster.
PPS: I just started experimenting with Android today so all this could be wrong.
PPS：我今天才开始尝试 Android，所以这一切都可能是错误的。
