Deblocking filter of H.264/AVC video decoder

摘要

The de-blocking filter is provided. De-blocking filter, the 16x16 current macroblock with respect to the edges of the 4x4 sub-blocks of video data, performs a horizontal or vertical filtering and then the edge filter computing unit that performs at the same time the data inputs of the 4x4 sub-blocks, filtering of the 4x4 subblock data stored to for the current macroblock buffer memory, the current macroblock on the left in the neighborhood of a macroblock of data of some of the storage to for the left macroblock buffer memory, filtering prior to the video data and the filtering is complete video data to store it for an external the register buffer array to store the memory, and the data adjacent to the top of the current macro-block read out from the data, the data and external memory reads from the left macroblock buffer memory, read out from the current macro-block buffer memory in order to perform the current filter It includes, de-blocking filter, equal parts of the horizontal edges and the vertical edge corresponding to the 16x16 macroblock of video data to the edges of the 4x4 sub-blocks and, for the block of vertical filtering and then 4x16 size for a block of 4x16 size at the same time performs the horizontal filtering. ; De-blocking filter, H.264, Video Compression