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A generic parser and writer for all ISO 14496 based files (MP4, Quicktime, DCF, PDCF, ...)

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/*
 * Copyright 2009 castLabs GmbH, Berlin
 *
 * 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.fragment;

import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.googlecode.mp4parser.AbstractFullBox;

import java.nio.ByteBuffer;

/**
 * 

4cc = "{@value #TYPE}"

* aligned(8) class MovieExtendsHeaderBox extends FullBox('mehd', version, 0) { * if (version==1) { * unsigned int(64) fragment_duration; * } else { // version==0 * unsigned int(32) fragment_duration; * } * } */ public class MovieExtendsHeaderBox extends AbstractFullBox { public static final String TYPE = "mehd"; private long fragmentDuration; public MovieExtendsHeaderBox() { super(TYPE); } @Override protected long getContentSize() { return getVersion() == 1 ? 12 : 8; } @Override public void _parseDetails(ByteBuffer content) { parseVersionAndFlags(content); fragmentDuration = getVersion() == 1 ? IsoTypeReader.readUInt64(content) : IsoTypeReader.readUInt32(content); } @Override protected void getContent(ByteBuffer byteBuffer) { writeVersionAndFlags(byteBuffer); if (getVersion() == 1) { IsoTypeWriter.writeUInt64(byteBuffer, fragmentDuration); } else { IsoTypeWriter.writeUInt32(byteBuffer, fragmentDuration); } } public long getFragmentDuration() { return fragmentDuration; } public void setFragmentDuration(long fragmentDuration) { this.fragmentDuration = fragmentDuration; } }




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