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

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/*  
 * 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;

/**
 * 

4cc = "{@value #TYPE}"

* The video media header contains general presentation information, independent of the coding, for video * media. Note that the flags field has the value 1. */ public class VideoMediaHeaderBox extends AbstractMediaHeaderBox { private int graphicsmode = 0; private int[] opcolor = new int[]{0, 0, 0}; public static final String TYPE = "vmhd"; public VideoMediaHeaderBox() { super(TYPE); setFlags(1); // 1 is default. } public int getGraphicsmode() { return graphicsmode; } public int[] getOpcolor() { return opcolor; } protected long getContentSize() { return 12; } @Override public void _parseDetails(ByteBuffer content) { parseVersionAndFlags(content); graphicsmode = IsoTypeReader.readUInt16(content); opcolor = new int[3]; for (int i = 0; i < 3; i++) { opcolor[i] = IsoTypeReader.readUInt16(content); } } @Override protected void getContent(ByteBuffer byteBuffer) { writeVersionAndFlags(byteBuffer); IsoTypeWriter.writeUInt16(byteBuffer, graphicsmode); for (int anOpcolor : opcolor) { IsoTypeWriter.writeUInt16(byteBuffer, anOpcolor); } } public String toString() { return "VideoMediaHeaderBox[graphicsmode=" + getGraphicsmode() + ";opcolor0=" + getOpcolor()[0] + ";opcolor1=" + getOpcolor()[1] + ";opcolor2=" + getOpcolor()[2] + "]"; } public void setOpcolor(int[] opcolor) { this.opcolor = opcolor; } public void setGraphicsmode(int graphicsmode) { this.graphicsmode = graphicsmode; } }




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