Rename from cameraserver to cscore.

This is primarily to avoid header naming conflicts with wpilib.

java/src/edu/wpi/cscore/VideoSink.java

@@ -0,0 +1,77 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+package edu.wpi.cscore;
+
+/// A source for video that provides a sequence of frames.  Each frame may
+/// consist of multiple images (e.g. from a stereo or depth camera); these
+/// are called channels.
+public class VideoSink {
+  protected VideoSink(int handle) {
+    m_handle = handle;
+  }
+
+  public synchronized void free() {
+    if (m_handle != 0) {
+      CameraServerJNI.releaseSink(m_handle);
+    }
+    m_handle = 0;
+  }
+
+  public boolean isValid() {
+    return m_handle != 0;
+  }
+
+  /// Get the name of the sink.  The name is an arbitrary identifier
+  /// provided when the sink is created, and should be unique.
+  public String getName() {
+    return CameraServerJNI.getSinkName(m_handle);
+  }
+
+  /// Get the sink description.  This is sink-type specific.
+  public String getDescription() {
+    return CameraServerJNI.getSinkDescription(m_handle);
+  }
+
+  /// Configure which source should provide frames to this sink.  Each sink
+  /// can accept frames from only a single source, but a single source can
+  /// provide frames to multiple clients.
+  /// @param source Source
+  public void setSource(VideoSource source) {
+    CameraServerJNI.setSinkSource(m_handle, source.m_handle);
+  }
+
+  /// Get the connected source.
+  /// @return Connected source; nullptr if no source connected.
+  public VideoSource getSource() {
+    // While VideoSource.free() will call releaseSource(), getSinkSource()
+    // increments the internal reference count so this is okay to do.
+    return new VideoSource(CameraServerJNI.getSinkSource(m_handle));
+  }
+
+  /// Get a property of the associated source.
+  /// @param name Property name
+  /// @return Property (type Property::kNone if no property with
+  ///         the given name exists or no source connected)
+  public VideoProperty getSourceProperty(String name) {
+    return new VideoProperty(
+        CameraServerJNI.getSinkSourceProperty(m_handle, name));
+  }
+
+  /// Enumerate all existing sinks.
+  /// @return Vector of sinks.
+  public static VideoSink[] enumerateSinks() {
+    int[] handles = CameraServerJNI.enumerateSinks();
+    VideoSink[] rv = new VideoSink[handles.length];
+    for (int i=0; i<handles.length; i++) {
+      rv[i] = new VideoSink(handles[i]);
+    }
+    return rv;
+  }
+
+  protected int m_handle;
+}