Based on the study on and analysis of the H.26L compressing code, this paper examined a deblock filter in detail.Using VC++ program, the deblock filter has been realized.

• 摘要在对H.；26L视频压缩编码分析和研究的基础上，对其中的去块滤波器进行了深入剖析，以VC++为基础对其进行了软件实现。