format  MpgWn MPG_WnCreate (Uint32 dzx, Uint32 dzy, Uint32 dsx, Uint32 dsy)
 Input  dzx: Display reference position of display window (X coordinate)
:  dzy: Display reference position of the display window (Y coordinate)
:  dsx: Display window size (X direction)
:  dsy: Display window size (Y direction)
 Output  None
 Function value  MPEG window
 Function  MPEG window for outputting image data developed by MPEG handle
 Generates . If MPEG window creation fails, NULL is returned.
.  The setting values ​​for each parameter are as follows. 

Parameters	Normal resolution	High definition resolution
dzx	0-351	0-703
dzy	0-239	0-479
dsx	0-352	0-704
dsy	0-240	0-480

   The following values ​​are the default values ​​for other parameters of the window.
  

parameter	normal resolution
drx	same size
dry	same size
dox	0
doy	0
fzx	dzx
fzy	dzy

  format  void MPG_WnDestroy (MpgWn mpgwn)
 Input  mpgwn: MPEG window
 Output  None
 Function value  None
 Function  Deletes the MPEG window. It also erases the actual display screen.