Patent ID: 6567131
Filing Date: 2003-05-20
Classification: H04N

Abstract:
A decoding apparatus for presenting encoded data of a picture, the decoder comprising:means for decoding input encoded data of the picture; means for storing the decoded data, which has been output from the decoding means, thereon so that the decoded data will be presented or used for decoding encoded data of another picture; means for allocating part of a storage area of the storage means for a frame memory on which the decoded data should be stored; and means for recognizing a presentation method for the decoded data and, if the presentation method has been changed into a new presentation method, for setting the number of frame memories as required by the new presentation method, wherein if the presentation methods have been changed, the allocating means allocates the same number of sub-areas of the storage area as that set by the recognizing means for the frame memories such that the sub-area previously allocated for the frame memory, on which the decoded data being presented is stored, is included in the sub-areas newly allocated.