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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.mp4parser.iso14496.part12;

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

import java.nio.ByteBuffer;
import java.util.Arrays;

import static com.googlecode.mp4parser.util.CastUtils.l2i;

/**
 * 

4cc = "{@value #TYPE}"

*/ public class SampleAuxiliaryInformationSizesBox extends AbstractFullBox { public static final String TYPE = "saiz"; private short defaultSampleInfoSize; private short[] sampleInfoSizes = new short[0]; private int sampleCount; private String auxInfoType; private String auxInfoTypeParameter; public SampleAuxiliaryInformationSizesBox() { super(TYPE); } @Override protected long getContentSize() { int size = 4; if ((getFlags() & 1) == 1) { size += 8; } size += 5; size += defaultSampleInfoSize == 0 ? sampleInfoSizes.length : 0; return size; } public short getSize(int index) { if (getDefaultSampleInfoSize() == 0) { return sampleInfoSizes[index]; } else { return defaultSampleInfoSize; } } @Override protected void getContent(ByteBuffer byteBuffer) { writeVersionAndFlags(byteBuffer); if ((getFlags() & 1) == 1) { byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoType)); byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoTypeParameter)); } IsoTypeWriter.writeUInt8(byteBuffer, defaultSampleInfoSize); if (defaultSampleInfoSize == 0) { IsoTypeWriter.writeUInt32(byteBuffer, sampleInfoSizes.length); for (short sampleInfoSize : sampleInfoSizes) { IsoTypeWriter.writeUInt8(byteBuffer, sampleInfoSize); } } else { IsoTypeWriter.writeUInt32(byteBuffer, sampleCount); } } @Override public void _parseDetails(ByteBuffer content) { parseVersionAndFlags(content); if ((getFlags() & 1) == 1) { auxInfoType = IsoTypeReader.read4cc(content); auxInfoTypeParameter = IsoTypeReader.read4cc(content); } defaultSampleInfoSize = (short) IsoTypeReader.readUInt8(content); sampleCount = l2i(IsoTypeReader.readUInt32(content)); if (defaultSampleInfoSize == 0) { sampleInfoSizes = new short[sampleCount]; for (int i = 0; i < sampleCount; i++) { sampleInfoSizes[i] = (short) IsoTypeReader.readUInt8(content); } } } public String getAuxInfoType() { return auxInfoType; } public void setAuxInfoType(String auxInfoType) { this.auxInfoType = auxInfoType; } public String getAuxInfoTypeParameter() { return auxInfoTypeParameter; } public void setAuxInfoTypeParameter(String auxInfoTypeParameter) { this.auxInfoTypeParameter = auxInfoTypeParameter; } public int getDefaultSampleInfoSize() { return defaultSampleInfoSize; } public void setDefaultSampleInfoSize(int defaultSampleInfoSize) { assert defaultSampleInfoSize <= 255; this.defaultSampleInfoSize = (short) defaultSampleInfoSize; } public short[] getSampleInfoSizes() { short copy[] = new short[sampleInfoSizes.length]; System.arraycopy(sampleInfoSizes, 0, copy, 0, sampleInfoSizes.length); return copy; } public void setSampleInfoSizes(short[] sampleInfoSizes) { this.sampleInfoSizes = new short[sampleInfoSizes.length]; System.arraycopy(sampleInfoSizes, 0, this.sampleInfoSizes, 0, sampleInfoSizes.length); } public int getSampleCount() { return sampleCount; } public void setSampleCount(int sampleCount) { this.sampleCount = sampleCount; } @Override public String toString() { return "SampleAuxiliaryInformationSizesBox{" + "defaultSampleInfoSize=" + defaultSampleInfoSize + ", sampleCount=" + sampleCount + ", auxInfoType='" + auxInfoType + '\'' + ", auxInfoTypeParameter='" + auxInfoTypeParameter + '\'' + '}'; } }




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