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

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/*
 * Copyright 2012 Sebastian Annies, 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.googlecode.mp4parser.boxes.apple;

import com.coremedia.iso.IsoTypeReader;
import com.coremedia.iso.IsoTypeWriter;
import com.coremedia.iso.boxes.Box;
import com.coremedia.iso.boxes.Container;
import com.coremedia.iso.boxes.sampleentry.SampleEntry;
import com.googlecode.mp4parser.AbstractBox;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.WritableByteChannel;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * 

4cc = "{@value #TYPE}"

*/ public class TimeCodeBox extends AbstractBox implements SampleEntry, Container { public static final String TYPE = "tmcd"; int timeScale; int frameDuration; int numberOfFrames; int reserved1; int reserved2; long flags; int dataReferenceIndex; byte[] rest = new byte[0]; public TimeCodeBox() { super(TYPE); } @Override protected long getContentSize() { return 8 + 4 + 4 + 4 + 4 + 1 + 3 + rest.length; } @Override protected void getContent(ByteBuffer bb) { bb.put(new byte[]{0, 0, 0, 0, 0, 0}); IsoTypeWriter.writeUInt16(bb, dataReferenceIndex); bb.putInt(reserved1); IsoTypeWriter.writeUInt32(bb, flags); bb.putInt(timeScale); bb.putInt(frameDuration); IsoTypeWriter.writeUInt8(bb, numberOfFrames); IsoTypeWriter.writeUInt24(bb, reserved2); bb.put(rest); } @Override protected void _parseDetails(ByteBuffer content) { content.position(6);// ignore 6 reserved bytes; dataReferenceIndex = IsoTypeReader.readUInt16(content); // 8 reserved1 = content.getInt(); flags = IsoTypeReader.readUInt32(content); timeScale = content.getInt(); frameDuration = content.getInt(); numberOfFrames = IsoTypeReader.readUInt8(content); reserved2 = IsoTypeReader.readUInt24(content); rest = new byte[content.remaining()]; content.get(rest); } public int getDataReferenceIndex() { return dataReferenceIndex; } public void setDataReferenceIndex(int dataReferenceIndex) { this.dataReferenceIndex = dataReferenceIndex; } @Override public String toString() { return "TimeCodeBox{" + "timeScale=" + timeScale + ", frameDuration=" + frameDuration + ", numberOfFrames=" + numberOfFrames + ", reserved1=" + reserved1 + ", reserved2=" + reserved2 + ", flags=" + flags + '}'; } public int getTimeScale() { return timeScale; } public void setTimeScale(int timeScale) { this.timeScale = timeScale; } public int getFrameDuration() { return frameDuration; } public void setFrameDuration(int frameDuration) { this.frameDuration = frameDuration; } public int getNumberOfFrames() { return numberOfFrames; } public void setNumberOfFrames(int numberOfFrames) { this.numberOfFrames = numberOfFrames; } public int getReserved1() { return reserved1; } public void setReserved1(int reserved1) { this.reserved1 = reserved1; } public int getReserved2() { return reserved2; } public void setReserved2(int reserved2) { this.reserved2 = reserved2; } public long getFlags() { return flags; } public void setFlags(long flags) { this.flags = flags; } public byte[] getRest() { return rest; } public void setRest(byte[] rest) { this.rest = rest; } public List getBoxes() { return Collections.emptyList(); } public void setBoxes(List boxes) { throw new RuntimeException("Time Code Box doesn't accept any children"); } public List getBoxes(Class clazz) { return Collections.emptyList(); } public List getBoxes(Class clazz, boolean recursive) { return Collections.emptyList(); } public ByteBuffer getByteBuffer(long start, long size) throws IOException { return null; } public void writeContainer(WritableByteChannel bb) throws IOException { } }




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