【摘要】 为了实现H.264编码器的实时压缩编码,本文结合TMS320DM642 DSP特点,利用内联函数、数据打包、线性汇编等方法对影响H.264编码效率的多个模块进行了程序优化。实验结果表明,本文所提出的优化方法明显提高了编码器的处理速度,对嵌入式实时编码器的开发具有重要的应用价值。更多还原

【Abstract】 In order to implement a real-time compression encoding of H.264 encoder,program optimization of multiple modules,which affect H.264’s encoding efficiency,is carried out according to the hardware features of TMS320DM642 chip and utilizing some methods such as intrinsics,data packaging,linear compilation.Experiment results show that the processing speed of the encoder is improved obviously due to using the proposed optimization methods.The methods will offer important application value to the development of embedded real-time video encoder.更多还原