Revamp API again and start implementing C and Java wrapper shells.

java/src/edu/wpi/cameraserver/USBCamera.java

@@ -0,0 +1,24 @@
+package edu.wpi.cameraserver;
+
+/// A source that represents a USB camera.
+public class USBCamera extends VideoSource {
+  /// Create a source for a USB camera based on device number.
+  /// @param name Source name (arbitrary unique identifier)
+  /// @param dev Device number (e.g. 0 for /dev/video0)
+  public USBCamera(String name, int dev) {
+    super(CameraServerJNI.createUSBSourceDev(name, dev));
+  }
+
+  /// Create a source for a USB camera based on device path.
+  /// @param name Source name (arbitrary unique identifier)
+  /// @param path Path to device (e.g. "/dev/video0" on Linux)
+  public USBCamera(String name, String path) {
+    super(CameraServerJNI.createUSBSourcePath(name, path));
+  }
+
+  /// Enumerate USB cameras on the local system.
+  /// @return Vector of USB camera information (one for each camera)
+  public static USBCameraInfo[] enumerateUSBCameras() {
+    return CameraServerJNI.enumerateUSBCameras();
+  }
+}