OpenAL info program a la openal-soft's openal-info

src/java/org/lwjgl/test/openal/OpenALInfo.java

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+/* 
+ * Copyright (c) 2002-2008 LWJGL Project
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are 
+ * met:
+ * 
+ * * Redistributions of source code must retain the above copyright 
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'LWJGL' nor the names of 
+ *   its contributors may be used to endorse or promote products derived 
+ *   from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.lwjgl.test.openal;
+
+import java.nio.IntBuffer;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.LWJGLException;
+import org.lwjgl.openal.AL;
+import org.lwjgl.openal.AL10;
+import org.lwjgl.openal.ALC10;
+import org.lwjgl.openal.ALC11;
+import org.lwjgl.openal.ALCdevice;
+
+/**
+ *
+ * idea from openal-info
+ *
+ * @author Brian Matzon <brian@matzon.dk>
+ * @version $Revision: 2983 $
+ * $Id$
+ */
+public class OpenALInfo {
+
+	/**
+	 * Creates an instance of OpenALInfo
+	 */
+	public OpenALInfo() {
+	}
+
+	/**
+	 * Runs the actual test, using supplied arguments
+	 */
+	protected void execute(String[] args) {
+		try {
+			AL.create(null, -1, 60, false);
+			checkForErrors();
+		} catch (LWJGLException le) {
+			die("Init", le.getMessage());
+		}
+		
+		printALCInfo();
+		printALInfo();
+		
+		checkForErrors();
+	}
+	
+	private void printALCInfo() {
+		IntBuffer version = BufferUtils.createIntBuffer(2);
+		ALCdevice device;
+		
+		if(ALC10.alcIsExtensionPresent(null, "ALC_ENUMERATION_EXT")) {
+	        if(ALC10.alcIsExtensionPresent(null, "ALC_ENUMERATE_ALL_EXT")) {
+	            printDevices(ALC11.ALC_ALL_DEVICES_SPECIFIER, "playback");
+	        } else {
+	            printDevices(ALC10.ALC_DEVICE_SPECIFIER, "playback");
+	        }
+	        printDevices(ALC11.ALC_CAPTURE_DEVICE_SPECIFIER, "capture");
+	    } else {
+	      System.out.println("No device enumeration available");
+		}
+		
+		device = ALC10.alcGetContextsDevice(ALC10.alcGetCurrentContext());
+		checkForErrors();
+		
+	    System.out.println(String.format("Default device: %s", ALC10.alcGetString(device, ALC10.ALC_DEFAULT_DEVICE_SPECIFIER)));
+
+	    System.out.println(String.format("Default capture device: %s", ALC10.alcGetString(device, ALC11.ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER)));
+
+    	ALC10.alcGetInteger(AL.getDevice(), ALC10.ALC_MAJOR_VERSION, version);
+    	ALC10.alcGetInteger(AL.getDevice(), ALC10.ALC_MINOR_VERSION, (IntBuffer) version.position(1));
+	    checkForErrors();
+
+	    System.out.println(String.format("ALC version: %d.%d", (int)version.get(0), (int)version.get(1)));
+
+	    System.out.println("ALC extensions:");
+	    String[] extensions = ALC10.alcGetString(device, ALC10.ALC_EXTENSIONS).split(" ");
+		for(int i=0; i<extensions.length; i++) {
+			if(extensions[i].trim().length() == 0) {
+				continue;
+			}
+			System.out.println("    " + extensions[i]);
+		}
+	    checkForErrors();
+	}
+	
+	private void printALInfo() {
+	    System.out.println(String.format("OpenAL vendor string: %s", AL10.alGetString(AL10.AL_VENDOR)));
+	    System.out.println(String.format("OpenAL renderer string: %s", AL10.alGetString(AL10.AL_RENDERER)));
+	    System.out.println(String.format("OpenAL version string: %s", AL10.alGetString(AL10.AL_VERSION)));
+	    System.out.println("AL extensions:");
+	    String[] extensions = AL10.alGetString(AL10.AL_EXTENSIONS).split(" ");
+		for(int i=0; i<extensions.length; i++) {
+			if(extensions[i].trim().length() == 0) {
+				continue;
+			}
+			System.out.println("    " + extensions[i]);
+		}
+	    checkForErrors();		
+	}
+	
+	private void printDevices(int which, String kind) {
+		String[] devices = ALC10.alcGetString(null, which).split("\0");
+		checkForErrors();
+		
+		System.out.println(String.format("Available %s devices: ", kind));
+		for(int i=0; i<devices.length; i++) {
+			System.out.println("    " + devices[i]);
+		}
+	}
+
+	private void die(String kind, String description) {
+		System.out.println(String.format("%s error %s occured", kind, description));
+	}
+	
+	private void checkForErrors() {
+		{
+			ALCdevice device = ALC10.alcGetContextsDevice(ALC10.alcGetCurrentContext());
+			int error = ALC10.alcGetError(device);
+			if(error != ALC10.ALC_NO_ERROR) {
+				die("ALC", ALC10.alcGetString(device, error));
+			}
+		}
+		{
+			int error = AL10.alGetError();
+			if(error != AL10.AL_NO_ERROR) {
+				die("AL", AL10.alGetString(error));
+			}
+		}		
+	}
+	
+	/**
+	 * main entry point
+	 *
+	 * @param args String array containing arguments
+	 */
+	public static void main(String[] args) {
+		OpenALInfo openalInfo = new OpenALInfo();
+		openalInfo.execute(args);
+		System.exit(0);
+	}
+}