Java Code Examples for org.lwjgl.openal.AL10#alGetError()

protected static boolean checkErrorLog(String errorMessage)
{
	int error = AL10.alGetError();
	String errorName;
	
	if (error != 0)
	{
		switch(error)
		{
			case AL10.AL_INVALID_NAME: 			errorName = "AL_INVALID_NAME"; break;
			case AL10.AL_INVALID_ENUM: 			errorName = "AL_INVALID_ENUM"; break;
			case AL10.AL_INVALID_VALUE: 		errorName = "AL_INVALID_VALUE"; break;
			case AL10.AL_INVALID_OPERATION: 	errorName = "AL_INVALID_OPERATION"; break;
			case AL10.AL_OUT_OF_MEMORY: 		errorName = "AL_OUT_OF_MEMORY"; break;
			default: errorName = Integer.toString(error); break;
		}
		
		System.out.println(logPrefix + " [ERROR]: " + errorMessage + " OpenAL error " + errorName);
		return true;
	}
	else
	{
		return false;
	}
}
 

/**
* Initialise OpenAL LWJGL styley
*/
  public void init() {
  	try {
	AL.create();
	soundWorks = true;
} catch (LWJGLException e) {
	System.err.println("Failed to initialise LWJGL OpenAL");
	soundWorks = false;
	return;
}

if (soundWorks) {
	IntBuffer sources = BufferUtils.createIntBuffer(1);
	AL10.alGenSources(sources);
	
	if (AL10.alGetError() != AL10.AL_NO_ERROR) {
		System.err.println("Failed to create sources");
		soundWorks = false;
	} else {
		source = sources.get(0);
	}
	
}
  }
 

public Sonics()
{
    // Initialize OpenAL and clear the error bit.
    try
    {
        AL.create();
    }
    catch (LWJGLException e)
    {
        e.printStackTrace();
        return;
    }
    AL10.alGetError();

}
 

/**
 * @see org.newdawn.slick.openal.Audio#setPosition(float)
 */
public boolean setPosition(float position) {
	position = position % length;
	
	AL10.alSourcef(store.getSource(index), AL11.AL_SEC_OFFSET, position);
	if (AL10.alGetError() != 0) {
		return false;
	}
	return true;
}
 

/**
 * Stops and releases all sources, clears each of the specified Audio
 * buffers, destroys the OpenAL context, and resets SoundStore for future use.
 *
 * Calling SoundStore.get().init() will re-initialize the OpenAL context
 * after a call to destroyOpenAL (Note: AudioLoader.getXXX calls init for you).
 *
 * @author davedes (http://slick.ninjacave.com/forum/viewtopic.php?t=3920)
 */
private static void destroyOpenAL() {
	if (!trackExists())
		return;
	stop();

	try {
		// get Music object's (private) Audio object reference
		Field sound = player.getClass().getDeclaredField("sound");
		sound.setAccessible(true);
		Audio audio = (Audio) (sound.get(player));

		// first clear the sources allocated by SoundStore
		int max = SoundStore.get().getSourceCount();
		IntBuffer buf = BufferUtils.createIntBuffer(max);
		for (int i = 0; i < max; i++) {
			int source = SoundStore.get().getSource(i);
			buf.put(source);

			// stop and detach any buffers at this source
			AL10.alSourceStop(source);
			AL10.alSourcei(source, AL10.AL_BUFFER, 0);
		}
		buf.flip();
		AL10.alDeleteSources(buf);
		int exc = AL10.alGetError();
		if (exc != AL10.AL_NO_ERROR) {
			throw new SlickException(
					"Could not clear SoundStore sources, err: " + exc);
		}

		// delete any buffer data stored in memory, too...
		if (audio != null && audio.getBufferID() != 0) {
			buf = BufferUtils.createIntBuffer(1).put(audio.getBufferID());
			buf.flip();
			AL10.alDeleteBuffers(buf);
			exc = AL10.alGetError();
			if (exc != AL10.AL_NO_ERROR) {
				throw new SlickException("Could not clear buffer "
						+ audio.getBufferID()
						+ ", err: "+exc);
			}
		}

		// clear OpenAL
		AL.destroy();

		// reset SoundStore so that next time we create a Sound/Music, it will reinit
		SoundStore.get().clear();

		player = null;
	} catch (Exception e) {
		softErr(e, "Failed to destroy OpenAL");
	}
}
 

public int load( String filename, boolean isLooping )
{
    // Load wav data into a buffer.
    AL10.alGenBuffers(buffer);

    if(AL10.alGetError() != AL10.AL_NO_ERROR)
        return AL10.AL_FALSE;

    URL url = this.getClass().getClassLoader().getResource(filename);

    InputStream in ;
    WaveData waveFile = null;
    try
    {
        in = url.openStream();
        //Loads the wave file from this class's package in your classpath
        waveFile = WaveData.create(in);
        in.close();
        if(waveFile == null )
        {
            System.out.println("Error Loading sound data!");
        }
    }
    catch( IOException e )
    {
        e.printStackTrace();
    }


    AL10.alBufferData(buffer.get(0), waveFile.format, waveFile.data, waveFile.samplerate);
    waveFile.dispose();

    // Bind the buffer with the source.
    AL10.alGenSources(source);

    if (AL10.alGetError() != AL10.AL_NO_ERROR)
        return AL10.AL_FALSE;

    AL10.alSourcei(source.get(0), AL10.AL_BUFFER,   buffer.get(0) );
    AL10.alSourcef(source.get(0), AL10.AL_PITCH,    1.0f          );
    AL10.alSourcef(source.get(0), AL10.AL_GAIN,     1.0f          );
    AL10.alSource (source.get(0), AL10.AL_POSITION, sourcePos     );
    AL10.alSource (source.get(0), AL10.AL_VELOCITY, sourceVel     );
    if( isLooping ) AL10.alSourcei(source.get(0), AL10.AL_LOOPING,  AL10.AL_TRUE  );

    setListenerValues();

    // Do another error check and return.
    if (AL10.alGetError() == AL10.AL_NO_ERROR)
        return AL10.AL_TRUE;

    return AL10.AL_FALSE;
}
 

@Override
public int alGetError() {
    return AL10.alGetError();
}
 

@Override
public int alGetError() {
    return AL10.alGetError();
}
 

/**
 * Stops and releases all sources, clears each of the specified Audio
 * buffers, destroys the OpenAL context, and resets SoundStore for future use.
 *
 * Calling SoundStore.get().init() will re-initialize the OpenAL context
 * after a call to destroyOpenAL (Note: AudioLoader.getXXX calls init for you).
 *
 * @author davedes (http://slick.ninjacave.com/forum/viewtopic.php?t=3920)
 */
private static void destroyOpenAL() {
	if (!trackExists())
		return;
	stop();

	if (!AL.isCreated())
		return;

	try {
		// get Music object's (private) Audio object reference
		Field sound = player.getClass().getDeclaredField("sound");
		sound.setAccessible(true);
		Audio audio = (Audio) (sound.get(player));

		// first clear the sources allocated by SoundStore
		int max = SoundStore.get().getSourceCount();
		IntBuffer buf = BufferUtils.createIntBuffer(max);
		for (int i = 0; i < max; i++) {
			int source = SoundStore.get().getSource(i);
			buf.put(source);

			// stop and detach any buffers at this source
			AL10.alSourceStop(source);
			AL10.alSourcei(source, AL10.AL_BUFFER, 0);
		}
		buf.flip();
		AL10.alDeleteSources(buf);
		int exc = AL10.alGetError();
		if (exc != AL10.AL_NO_ERROR) {
			throw new SlickException(
					"Could not clear SoundStore sources, err: " + exc);
		}

		// delete any buffer data stored in memory, too...
		if (audio != null && audio.getBufferID() != 0) {
			buf = BufferUtils.createIntBuffer(1).put(audio.getBufferID());
			buf.flip();
			AL10.alDeleteBuffers(buf);
			exc = AL10.alGetError();
			if (exc != AL10.AL_NO_ERROR) {
				throw new SlickException("Could not clear buffer "
						+ audio.getBufferID()
						+ ", err: "+exc);
			}
		}

		// clear OpenAL
		AL.destroy();

		// reset SoundStore so that next time we create a Sound/Music, it will reinit
		SoundStore.get().clear();

		player = null;
	} catch (Exception e) {
		ErrorHandler.error("Failed to destroy the OpenAL context.", e, true);
	}
}