package org.jaudiotagger.audio.mp4.atom;
import org.jaudiotagger.audio.exceptions.CannotReadException;
import java.nio.ByteBuffer;
/**
* StsdBox ( sample (frame encoding) description box)
* <p/>
* <p>4 bytes version/flags = byte hex version + 24-bit hex flags
* (current = 0)
* - > 4 bytes number of descriptions = long unsigned total
* (default = 1)
* Then if audio contains mp4a,alac or drms box
*/
public class Mp4StsdBox extends AbstractMp4Box
{
public static final int VERSION_FLAG_POS = 0;
public static final int OTHER_FLAG_POS = 1;
public static final int NO_OF_DESCRIPTIONS_POS = 4;
public static final int VERSION_FLAG_LENGTH = 1;
public static final int OTHER_FLAG_LENGTH = 3;
public static final int NO_OF_DESCRIPTIONS_POS_LENGTH = 4;
/**
* @param header header info
* @param dataBuffer data of box (doesnt include header data)
*/
public Mp4StsdBox(Mp4BoxHeader header, ByteBuffer dataBuffer)
{
this.header = header;
this.dataBuffer = dataBuffer;
}
public void processData() throws CannotReadException
{
//Skip the data
dataBuffer.position(dataBuffer.position() + VERSION_FLAG_LENGTH + OTHER_FLAG_LENGTH + NO_OF_DESCRIPTIONS_POS_LENGTH);
}
}
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