mirror of
https://github.com/wpilibsuite/allwpilib
synced 2026-06-20 00:51:42 +00:00
Rename from cameraserver to cscore.
This is primarily to avoid header naming conflicts with wpilib.
This commit is contained in:
Peter Johnson
169
java/src/edu/wpi/cscore/CameraServerJNI.java
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169
java/src/edu/wpi/cscore/CameraServerJNI.java
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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package edu.wpi.cscore;
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import java.io.File;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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public class CameraServerJNI {
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static boolean libraryLoaded = false;
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static File jniLibrary = null;
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static {
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if (!libraryLoaded) {
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try {
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System.loadLibrary("cameraserver");
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} catch (UnsatisfiedLinkError e) {
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try {
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String osname = System.getProperty("os.name");
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String resname;
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if (osname.startsWith("Windows"))
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resname = "/Windows/" + System.getProperty("os.arch") + "/";
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else
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resname = "/" + osname + "/" + System.getProperty("os.arch") + "/";
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System.out.println("platform: " + resname);
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if (osname.startsWith("Windows"))
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resname += "cameraserver.dll";
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else if (osname.startsWith("Mac"))
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resname += "libcameraserver.dylib";
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else
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resname += "libcameraserver.so";
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InputStream is = CameraServerJNI.class.getResourceAsStream(resname);
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if (is != null) {
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// create temporary file
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if (System.getProperty("os.name").startsWith("Windows"))
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jniLibrary = File.createTempFile("CameraServerJNI", ".dll");
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else if (System.getProperty("os.name").startsWith("Mac"))
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jniLibrary = File.createTempFile("libCameraServerJNI", ".dylib");
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else
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jniLibrary = File.createTempFile("libCameraServerJNI", ".so");
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// flag for delete on exit
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jniLibrary.deleteOnExit();
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OutputStream os = new FileOutputStream(jniLibrary);
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byte[] buffer = new byte[1024];
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int readBytes;
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try {
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while ((readBytes = is.read(buffer)) != -1) {
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os.write(buffer, 0, readBytes);
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}
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} finally {
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os.close();
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is.close();
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}
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System.load(jniLibrary.getAbsolutePath());
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} else {
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System.loadLibrary("cameraserver");
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}
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} catch (IOException ex) {
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ex.printStackTrace();
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System.exit(1);
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}
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}
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libraryLoaded = true;
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}
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}
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//
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// Property Functions
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//
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public static native int getPropertyType(int property);
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public static native String getPropertyName(int property);
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public static native int getProperty(int property);
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public static native void setProperty(int property, int value);
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public static native int getPropertyMin(int property);
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public static native int getPropertyMax(int property);
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public static native int getPropertyStep(int property);
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public static native int getPropertyDefault(int property);
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public static native String getStringProperty(int property);
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public static native void setStringProperty(int property, String value);
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public static native String[] getEnumPropertyChoices(int property);
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//
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// Source Creation Functions
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//
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public static native int createUSBCameraDev(String name, int dev);
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public static native int createUSBCameraPath(String name, String path);
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public static native int createHTTPCamera(String name, String url);
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public static native int createCvSource(String name, int pixelFormat, int width, int height, int fps);
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//
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// Source Functions
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//
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public static native String getSourceName(int source);
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public static native String getSourceDescription(int source);
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public static native long getSourceLastFrameTime(int source);
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public static native boolean isSourceConnected(int source);
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public static native int getSourceProperty(int source, String name);
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public static native int[] enumerateSourceProperties(int source);
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public static native VideoMode getSourceVideoMode(int source);
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public static native boolean setSourceVideoMode(int source, int pixelFormat, int width, int height, int fps);
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public static native boolean setSourcePixelFormat(int source, int pixelFormat);
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public static native boolean setSourceResolution(int source, int width, int height);
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public static native boolean setSourceFPS(int source, int fps);
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public static native VideoMode[] enumerateSourceVideoModes(int source);
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public static native int copySource(int source);
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public static native void releaseSource(int source);
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//
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// OpenCV Source Functions
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//
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public static native void putSourceFrame(int source, long imageNativeObj);
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public static native void notifySourceError(int source, String msg);
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public static native void setSourceConnected(int source, boolean connected);
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public static native void setSourceDescription(int source, String description);
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public static native int createSourceProperty(int source, String name, int type, int minimum, int maximum, int step, int defaultValue, int value);
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public static native void setSourceEnumPropertyChoices(int source, int property, String[] choices);
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//
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// Sink Creation Functions
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//
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public static native int createMJPEGServer(String name, String listenAddress, int port);
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public static native int createCvSink(String name);
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//public static native int createCvSinkCallback(String name,
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// void (*processFrame)(long time));
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//
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// Sink Functions
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//
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public static native String getSinkName(int sink);
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public static native String getSinkDescription(int sink);
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public static native void setSinkSource(int sink, int source);
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public static native int getSinkSourceProperty(int sink, String name);
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public static native int getSinkSource(int sink);
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public static native int copySink(int sink);
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public static native void releaseSink(int sink);
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//
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// OpenCV Sink Functions
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//
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public static native void setSinkDescription(int sink, String description);
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public static native long grabSinkFrame(int sink, long imageNativeObj);
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public static native String getSinkError(int sink);
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public static native void setSinkEnabled(int sink, boolean enabled);
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//
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// Listener Functions
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//
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public static native int addListener(VideoListenerFunction listener,
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int eventMask, boolean immediateNotify);
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public static native void removeListener(int handle);
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//
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// Utility Functions
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//
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public static native USBCameraInfo[] enumerateUSBCameras();
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public static native int[] enumerateSources();
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public static native int[] enumerateSinks();
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}
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