The present invention provides an apparatus and method for decoding a video clip image as well as a moving picture of a specific channel compressed by MPEG using a video decoder. Specifically, the present invention restores video clip data such as a data broadcast intra frame still picture, a video drip, and the like using the video decoder to output the restored data to a screen, thereby reducing the load and memory access of the host processor. And, the present invention decodes animation OSD data via the video decoder to output to the screen, thereby implementing high quality OSD with an inexpensive cost.