com.badlogic.gdx.backends.lwjgl.audio.Ogg.java Source code

Introduction

Here is the source code for com.badlogic.gdx.backends.lwjgl.audio.Ogg.java

Source

/*******************************************************************************
 * 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.lwjgl.audio;

import java.io.ByteArrayOutputStream;

import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.utils.StreamUtils;

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

        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(), previousInput);
                setup(input.getChannels(), input.getSampleRate());
                previousInput = null; // release this reference
            }
            return input.read(buffer);
        }

        public void reset() {
            StreamUtils.closeQuietly(input);
            previousInput = null;
            input = null;
        }

        @Override
        protected void loop() {
            StreamUtils.closeQuietly(input);
            previousInput = input;
            input = null;
        }
    }

    static public class Sound extends OpenALSound {
        public Sound(OpenALAudio audio, FileHandle file) {
            super(audio);
            if (audio.noDevice)
                return;
            OggInputStream input = null;
            try {
                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());
            } finally {
                StreamUtils.closeQuietly(input);
            }
        }
    }
}