A video processing method utilized in a video data processing device for
processing video data is disclosed. The video data includes at least a
first video data set, and the video data processing device has a memory
and a video decoder. The method includes utilizing the video decoder to
decode the video data for generating a display data set, driving the
video decoder to select a specific video data set from the first video
data set wherein the display data set does not have display data
corresponding to the specific video data set, and utilizing the memory to
store the display data.