说明：   TMS320DM642 DSP是TI公司新近推出的一款高性能数字多媒体处理器，它的两级高速缓存（Cache）结构为高复杂度视频编码算法的高效率实现提供了有力的保证。综合考虑视频编码算法特点和Cache结构特征实现的算法，能够满足系统整体需求和指标要求
(TMS320DM642 DSP is a TI company recently introduced a high-performance digital multimedia processor, and its two-tier cache (Cache) structure for high-complexity video coding algorithms to achieve high efficiency provide a strong guarantee. Considering the characteristics of video coding algorithms and structural characteristics of Cache realize the algorithm, able to meet the system requirements of the overall demand and indicators)