Optimization Methods of MPEG-2 Video Compression Algorithm Based on TMS320C6416

DONG Wen-tao; ZHANG Zhong-wei; LIU Yong; AN Jun-she

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Optimization Methods of MPEG-2 Video Compression Algorithm Based on TMS320C6416

更新时间：2026-09-04

- Optimization Methods of MPEG-2 Video Compression Algorithm Based on TMS320C6416
- Vol. 29, Issue 7, Pages: 128-130(2012)
- 作者机构：
  
  1. 中国科学院机构空间科学与应用研究中心,北京,100190
  2. 中国科学院研究生院,北京,100049
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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董文涛, 张忠伟, 刘勇, 安军社. 基于TMS320C6416的MPEG-2视频压缩优化方案[J]. 微电子学与计算机, 2012, 29(7): 128-130.

DONG Wen-tao, ZHANG Zhong-wei, LIU Yong, et al. Optimization Methods of MPEG-2 Video Compression Algorithm Based on TMS320C6416[J]. 2012, 29(7): 128-130.
董文涛, 张忠伟, 刘勇, 安军社. 基于TMS320C6416的MPEG-2视频压缩优化方案[J]. 微电子学与计算机, 2012, 29(7): 128-130. DOI：

DONG Wen-tao, ZHANG Zhong-wei, LIU Yong, et al. Optimization Methods of MPEG-2 Video Compression Algorithm Based on TMS320C6416[J]. 2012, 29(7): 128-130. DOI：

摘要

针对嵌入式视频编码的实时性问题

给出了MPEG-2视频压缩算法在TMS320C6416DSP上的优化方法

包括基于EDMA的双缓存设计、线性汇编改写以及对量化计算的改进等.测试结果显示

经过优化后的视频压缩速度得到显著提高

压缩D1视频的速度达到43fps左右

满足实时应用需求.

Abstract

Video compression is complex and it is difficult to realize a real-time video encoder on embedded systems.To solve this problem

Optimization methods of MPEG-2 video compression algorithm based on TMS320C6416 DSP platform are given in this paper.These optimization methods include design of double buffering based on EDMA

rewriting of C codes using linear assembly and improvement on quantization.Test results show a significant increase on video compression speed after optimization and D1 video sequences can be encoded at a speed of about 43 frames per second in real time.

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