Title:
BasedontheTMS320C64xhigh-definitionvideodecoderopt
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Description: The paper designed the HDTV video decoding program based on high performance general DSP TMS320C64x. The decoding
The program has been optimized for various aspects of C64's special architecture. Especially for variable length decoding, IDCT and motion
Three key modules have been made to compile the assembly language program and adjust the flow line operation. Through optimization, explicit
The decoding efficiency is improved. The following important conclusions can be obtained through software simulation: 1) perform manual compilation
The efficiency of the program after the optimization is nearly seven times higher than that of only C language optimization.
2) after manual compilation optimization, the clock frequency required for real-time decoding of standard definition video is only
228.8 MHz. 3) the clock frequency required for real-time decoding of high definition video is around 1GHz. this
In this study, the use of universal DSP for high definition TV video decoding and even the whole source decoder was implemented
The important value of the application of general DSP in the field of multimedia technology in consumer electronics is promoted.
This paper discusses how to use Matlab Complier to compile *.m function into dynamic link library DLL, which is provided to vc ++
The method of call provides a quick implementation of vc ++ and Matlab hybrid programming.
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