Ogg.java

/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.backends.openal;

import java.io.ByteArrayOutputStream;

import com.badlogic.gdx.files.FileHandle;

/** @author Nathan Sweet */
public class Ogg {
	static public class Music extends OpenALMusic {
		private OggInputStream input;

		public Music(OpenALAudio audio, FileHandle file) {
			super(audio, file);
			if (audio.noDevice)
				return;
			input = new OggInputStream(file.read());
			setup(input.getChannels(), input.getSampleRate());
		}

		public int read(byte[] buffer) {
			if (input == null) {
				input = new OggInputStream(file.read());
				setup(input.getChannels(), input.getSampleRate());
			}
			return input.read(buffer);
		}

		public void reset() {
			if (input == null)
				return;
			input.close();
			input = null;
		}
	}

	static public class Sound extends OpenALSound {
		public Sound(OpenALAudio audio, FileHandle file) {
			super(audio);
			if (audio.noDevice)
				return;
			OggInputStream input = new OggInputStream(file.read());
			ByteArrayOutputStream output = new ByteArrayOutputStream(4096);
			byte[] buffer = new byte[2048];
			while (!input.atEnd()) {
				int length = input.read(buffer);
				if (length == -1)
					break;
				output.write(buffer, 0, length);
			}
			setup(output.toByteArray(), input.getChannels(), input.getSampleRate());
		}
	}
}