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);

     }

 }