package org.mp4parser.boxes.adobe;
import org.mp4parser.BoxParser;
import org.mp4parser.boxes.sampleentry.AbstractSampleEntry;
import org.mp4parser.tools.IsoTypeReader;
import org.mp4parser.tools.IsoTypeWriter;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
/**
* <h1>4cc = "{@value #TYPE}"</h1>
* Sample Entry as used for Action Message Format tracks.
*/
public class ActionMessageFormat0SampleEntryBox extends AbstractSampleEntry {
public static final String TYPE = "amf0";
public ActionMessageFormat0SampleEntryBox() {
super(TYPE);
}
@Override
public void parse(ReadableByteChannel dataSource, ByteBuffer header, long contentSize, BoxParser boxParser) throws IOException {
ByteBuffer bb = ByteBuffer.allocate(8);
dataSource.read(bb);
bb.position(6);// ignore 6 reserved bytes;
dataReferenceIndex = IsoTypeReader.readUInt16(bb);
initContainer(dataSource, contentSize - 8, boxParser);
}
@Override
public void getBox(WritableByteChannel writableByteChannel) throws IOException {
writableByteChannel.write(getHeader());
ByteBuffer bb = ByteBuffer.allocate(8);
bb.position(6);
IsoTypeWriter.writeUInt16(bb, dataReferenceIndex);
writableByteChannel.write((ByteBuffer) bb.rewind());
writeContainer(writableByteChannel);
}
@Override
public long getSize() {
long s = getContainerSize();
long t = 8; // bytes to container start
return s + t + ((largeBox || (s + t) >= (1L << 32)) ? 16 : 8);
}
}