com.github.dabasan.joglf.al.loader.WAVLoader Maven / Gradle / Ivy

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package com.github.dabasan.joglf.al.loader;

import java.io.File;
import java.nio.ByteBuffer;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.github.dabasan.joglf.al.buffer.SoundBuffer;
import com.github.dabasan.joglf.al.wrapper.ALWrapper;

/**
 * WAV loader
 * 
 * @author Daba
 *
 */
public class WAVLoader {
	private static Logger logger = LoggerFactory.getLogger(WAVLoader.class);

	/**
	 * Loads a WAV file.

	 * This method depends on ALUT.

	 * Therefore, this method fails if ALUT is disabled.
	 * 
	 * @param wav_filename
	 *            Filename of a WAV file
	 * @return SoundBuffer
	 */
	public static SoundBuffer LoadWAV(String wav_filename) {
		final SoundBuffer sound_buffer = new SoundBuffer();

		final File file = new File(wav_filename);
		if (file.exists() == false) {
			logger.error("File does not exist. filename={}", wav_filename);
			return sound_buffer;
		}

		final int[] format = new int[1];
		final int[] size = new int[1];
		final ByteBuffer[] data = new ByteBuffer[1];
		final int[] freq = new int[1];
		final int[] loop = new int[1];

		ALWrapper.alutLoadWAVFile(wav_filename, format, data, size, freq, loop);

		sound_buffer.SetFormat(format[0]);
		sound_buffer.SetSize(size[0]);
		sound_buffer.SetData(data[0]);
		sound_buffer.SetFreq(freq[0]);
		sound_buffer.SetLoop(loop[0]);

		return sound_buffer;
	}
}