Video format of digital satellite broadcasting receiver and control method of change of display screen size

摘要

The present invention relates to a video format and a display screen size change control method for a digital satellite broadcast receiver. More particularly, the present invention relates to a method and apparatus for periodically checking a received video stream to check whether a video stream has changed, The video format is automatically changed to the corresponding video format. If the display screen size information is changed, the video format is automatically changed to the display screen size, And a control method.