Patent ID: 8928807
Filing Date: 2015-01-06
Classification: H04N

Abstract:
1. A playback control method, comprising following steps: obtaining at least one picture, wherein the picture corresponds to a frame, and the picture comprises a first region and a second region adjacent to the first region; determining whether all pixels in the first region have a predefined color; determining whether all pixels in the second region have the predefined color; determining a position of a boundary line between the first region and the second region according to an original aspect ratio of the frame and an aspect ratio of an image playback device for playing back the picture; when all of the pixels in the first region have the predefined color and all of the pixels in the second region do not have the predefined color, removing the first region, and enlarging the second region to cover an original position of the first region; and playing back the enlarged second region via an anamorphic lens; wherein the playback control method is performed automatically without user intervention.