com.mp4parser.iso14496.part12.SampleAuxiliaryInformationOffsetsBox Maven / Gradle / Ivy
/*
* 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 static com.googlecode.mp4parser.util.CastUtils.l2i;
/*
aligned(8) class SampleAuxiliaryInformationOffsetsBox
extends FullBox(‘saio’, version, flags)
{
if (flags & 1) {
unsigned int(32) aux_info_type;
unsigned int(32) aux_info_type_parameter;
}
unsigned int(32) entry_count;
if ( version == 0 )
{
unsigned int(32) offset[ entry_count ];
}
else
{
unsigned int(64) offset[ entry_count ];
}
}
*/
/**
* 4cc = "{@value #TYPE}"
*/
public class SampleAuxiliaryInformationOffsetsBox extends AbstractFullBox {
public static final String TYPE = "saio";
private long[] offsets = new long[0];
private String auxInfoType;
private String auxInfoTypeParameter;
public SampleAuxiliaryInformationOffsetsBox() {
super(TYPE);
}
@Override
protected long getContentSize() {
return 8 + (getVersion() == 0 ? 4 * offsets.length : 8 * offsets.length) + ((getFlags() & 1) == 1 ? 8 : 0);
}
@Override
protected void getContent(ByteBuffer byteBuffer) {
writeVersionAndFlags(byteBuffer);
if ((getFlags() & 1) == 1) {
byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoType));
byteBuffer.put(IsoFile.fourCCtoBytes(auxInfoTypeParameter));
}
IsoTypeWriter.writeUInt32(byteBuffer, offsets.length);
for (Long offset : offsets) {
if (getVersion() == 0) {
IsoTypeWriter.writeUInt32(byteBuffer, offset);
} else {
IsoTypeWriter.writeUInt64(byteBuffer, offset);
}
}
}
@Override
public void _parseDetails(ByteBuffer content) {
parseVersionAndFlags(content);
if ((getFlags() & 1) == 1) {
auxInfoType = IsoTypeReader.read4cc(content);
auxInfoTypeParameter = IsoTypeReader.read4cc(content);
}
int entryCount = l2i(IsoTypeReader.readUInt32(content));
offsets = new long[entryCount];
for (int i = 0; i < entryCount; i++) {
if (getVersion() == 0) {
offsets[i] = IsoTypeReader.readUInt32(content);
} else {
offsets[i] = IsoTypeReader.readUInt64(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 long[] getOffsets() {
return offsets;
}
public void setOffsets(long[] offsets) {
this.offsets = offsets;
}
}