Package org.lwjgl.test.openal

Source Code of org.lwjgl.test.openal.OpenALInfo

/*
* 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 java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;

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;
import org.lwjgl.openal.EFX10;
import org.lwjgl.openal.EFXUtil;

/**
*
* 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();
    printEFXInfo();

    checkForErrors();

    AL.destroy();
  }

  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("Default playback device: " + ALC10.alcGetString(device, ALC10.ALC_DEFAULT_DEVICE_SPECIFIER));

      System.out.println("Default capture device: " + 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("ALC version: " + version.get(0) + "." + version.get(1));

      System.out.println("ALC extensions:");
      String[] extensions = ALC10.alcGetString(device, ALC10.ALC_EXTENSIONS).split(" ");
    for ( String extension : extensions ) {
      if ( extension.trim().length() == 0 ) {
        continue;
      }
      System.out.println("    " + extension);
    }
      checkForErrors();
  }

  private void printALInfo() {
      System.out.println("OpenAL vendor string: " + AL10.alGetString(AL10.AL_VENDOR));
      System.out.println("OpenAL renderer string: " + AL10.alGetString(AL10.AL_RENDERER));
      System.out.println("OpenAL version string: " + AL10.alGetString(AL10.AL_VERSION));
      System.out.println("AL extensions:");
      String[] extensions = AL10.alGetString(AL10.AL_EXTENSIONS).split(" ");
    for ( String extension : extensions ) {
      if ( extension.trim().length() == 0 ) {
        continue;
      }
      System.out.println("    " + extension);
    }
      checkForErrors();
  }

  private void printEFXInfo() {
    if(!EFXUtil.isEfxSupported()) {
      System.out.println("EFX not available");
      return;
    }

    ALCdevice device = AL.getDevice();
        IntBuffer major = BufferUtils.createIntBuffer(1);
        IntBuffer minor = BufferUtils.createIntBuffer(1);
        IntBuffer sends = BufferUtils.createIntBuffer(1);
        ALC10.alcGetInteger(device, EFX10.ALC_EFX_MAJOR_VERSION, major);
        ALC10.alcGetInteger(device, EFX10.ALC_EFX_MINOR_VERSION, minor);
        if(ALC10.alcGetError(device) == ALC10.ALC_NO_ERROR) {
          System.out.println("EFX version: " + major.get() + "." + minor.get());
        }

        ALC10.alcGetInteger(device, EFX10.ALC_MAX_AUXILIARY_SENDS, sends);
        if(ALC10.alcGetError(device) == ALC10.ALC_NO_ERROR) {
          System.out.println("Max auxiliary sends: " + sends.get());
        }

        System.out.println("Supported filters: ");
        HashMap<String, Integer> filters = new HashMap<String, Integer>();
        filters.put("Low-pass", EFX10.AL_FILTER_LOWPASS);
        filters.put("High-pass", EFX10.AL_FILTER_HIGHPASS);
        filters.put("Band-pass", EFX10.AL_FILTER_BANDPASS);

        Set<Entry<String, Integer>> entries = filters.entrySet();
    for ( final Entry<String, Integer> entry : entries ) {
      String key = entry.getKey();
      if ( EFXUtil.isFilterSupported(entry.getValue()) )
        System.out.println("    " + entry.getKey());
    }

        System.out.println("Supported effects: ");
        HashMap<String, Integer> effects = new HashMap<String, Integer>();
        effects.put("EAX Reverb", EFX10.AL_EFFECT_EAXREVERB);
        effects.put("Reverb", EFX10.AL_EFFECT_REVERB);
        effects.put("Chorus", EFX10.AL_EFFECT_CHORUS);
        effects.put("Distortion", EFX10.AL_EFFECT_DISTORTION);
        effects.put("Echo", EFX10.AL_EFFECT_ECHO);
        effects.put("Flanger", EFX10.AL_EFFECT_FLANGER);
        effects.put("Frequency Shifter", EFX10.AL_EFFECT_FREQUENCY_SHIFTER);
        effects.put("Vocal Morpher", EFX10.AL_EFFECT_VOCAL_MORPHER);
        effects.put("Pitch Shifter", EFX10.AL_EFFECT_PITCH_SHIFTER);
        effects.put("Ring Modulator", EFX10.AL_EFFECT_RING_MODULATOR);
        effects.put("Autowah", EFX10.AL_EFFECT_AUTOWAH);
        effects.put("Compressor", EFX10.AL_EFFECT_COMPRESSOR);
        effects.put("Equalizer", EFX10.AL_EFFECT_EQUALIZER);

        entries = effects.entrySet();
    for ( final Entry<String, Integer> entry : entries ) {
      if ( EFXUtil.isEffectSupported(entry.getValue()) )
        System.out.println("    " + entry.getKey());
    }
  }

  private void printDevices(int which, String kind) {
    String[] devices = ALC10.alcGetString(null, which).split("\0");
    checkForErrors();

    System.out.println("Available " + kind + " devices: ");
    for ( String device : devices ) {
      System.out.println("    " + device);
    }
  }

  private void die(String kind, String description) {
    System.out.println(kind + " error " + description + " occured");
  }

  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);
  }
}
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