然而其性能提高的同时却带来了巨大的运算量，使得很难直接运用其源代码来达到实时编解码。
However, along with its performance improved, it has brought a tremendous amount of computing, so it is difficult to use its source code directly to achieve the real-time encoding and decoding.
该硬件原型包含了从残差形成到宏块重建的变换量化全过程，其可以构成DSP的协处理器，用于完成H。 264实时编解码。
The hardware prototype is composed of the whole processes from obtaining residual error to Macro-Block reconstruction, and it can be used as a co-processor of DSP to fulfill H. 264 real-timing CODEC.
实验结果证明，经算法改进和MMX技术优化的新钻石搜索法远胜于三步搜索法，大大提高了程序运行的效率，使系统达到了软件实时编解码的需要。
Experiments results demonstrate that the application on the new diamond search algorithm optimized by MMX has magnificently improved the efficiency of compression ratio and computing speed.
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