Deletes a specified media file on player.

   # Region  Disk space management: deletes a specified media file on the player.  

  Public     Void  Commandsetmanagedisk (  Byte  GID,  Byte  Did,  String  Deletestring)
{
  //  Packet forwarding 
    String  Managediskstr  =  Deletestring;
  Byte  I  =     0  ;
Encoding gb2312encoding  =  Unicodeencoding. getencoding (  "  Gb2312 "  );
  Byte  [] Managedisk  =  Gb2312encoding. getbytes (managediskstr );
  Byte  [] Mymanagedisk  =     New     Byte  [  300  ];
  Int Txtlength  =  Managedisk. length;

  Int  Packetizationtimer  =  Txtlength  /     300  ;
  Int  Packetizationresidue  =  Txtlength  %    300  ;
  Int  Packetizationsender;
  //  If there is no remainder, you do not need to send more packets once.  
    If  (Packetizationresidue  >     0  )
{
Packetizationsender  =  Packetizationtimer +     1  ;
}
  Else  
{
Packetizationsender  =  Packetizationtimer;
}
  //  Start Subcontracting  
    For  (I  =    0  ; I  <  Packetizationsender; I  ++  )
{
  If  (I  <  Packetizationtimer)
{
Array. Copy (managedisk, I  *     300  , Mymanagedisk,  0  , 300  );
}
  Else  
{
Array. Copy (managedisk, I  *     300  , Mymanagedisk,  0  , Packetizationresidue );
}

Playermessages. setmanagedisk  =     New Playermessages. setmanagedisk ();
Setmanagedisk. Direct  =     0x02  ;
Setmanagedisk. Category  =     0x03  ;
Setmanagedisk. Type  =     0x10  ;

Setmanagedisk. groupid  = GID;
Setmanagedisk. DeviceID  =  Did;
Setmanagedisk. Sequence  =  I;
Setmanagedisk. Size  =     300  ;
  If  (I  =  (Packetizationsender  -  1 )){

Setmanagedisk. Sequence  =  0xff  ;
Setmanagedisk. Size  =  (  Ushort  ) Packetizationresidue;

}

Setmanagedisk. deletefile  =  Mymanagedisk;

  Byte  [] Data  = Playermessages. structtobytes (setmanagedisk );
Ssock. onudpdatasend (data );
}
}

 

Playermessages. setmanagedisk is a struct, UDP Packet Data Structure
Setmanagedisk. Sequence = I; indicates the number of the package, and 0xff indicates the last package