xref: /external/mp4parser/isoparser/src/main/java/com/coremedia/iso/boxes/SoundMediaHeaderBox.java

/*
 * Copyright 2008 CoreMedia AG, Hamburg
 *
 * 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.coremedia.iso.boxes;

import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;

import java.nio.ByteBuffer;

public class SoundMediaHeaderBox extends AbstractMediaHeaderBox {

    public static final String TYPE = "smhd";
    private float balance;

    public SoundMediaHeaderBox() {
        super(TYPE);
    }

    public float getBalance() {
        return balance;
    }

    protected long getContentSize() {
        return 8;
    }

    @Override
    public void _parseDetails(ByteBuffer content) {
        parseVersionAndFlags(content);
        balance = IsoTypeReader.readFixedPoint88(content);
        IsoTypeReader.readUInt16(content);
    }

    @Override
    protected void getContent(ByteBuffer byteBuffer) {
        writeVersionAndFlags(byteBuffer);
        IsoTypeWriter.writeFixedPont88(byteBuffer, balance);
        IsoTypeWriter.writeUInt16(byteBuffer, 0);
    }

    public String toString() {
        return "SoundMediaHeaderBox[balance=" + getBalance() + "]";
    }
}