A REAL-TIME H.264 BP DECODER BASED ON A DM642 DSP

被引：0
作者：
Pescador, F. [1 ]
Garrido, M. J. [1 ]
Sanz, C. [1 ]
Juarez, E. [1 ]
Groba, A. M. [1 ]
Samper, D. [1 ]
机构：
[1] Univ Politecn Madrid, Madrid 28031, Spain
来源：
ICSPC: 2007 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATIONS, VOLS 1-3, PROCEEDINGS | 2007年
关键词：
H.264; Digital Signal Processor; video codecs; digital TV; real time systems;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, the implementation of a Baseline Profile H.264 decoder based on a DM642 digital signal processor is described. An initial standard compliant raw-C decoder has been optimized in speed for the target processor. The parallelism between algorithm execution and data movement has been fully exploited using DMA. Also, critical parts of the algorithm have been encoded directly in assembly code to increase the number of instructions per cycle. The decoder has been tested in simulation with actual (transcoded) DVD and digital TV streams. According to these tests, standard definition real time decoding can be obtained with a DM642@600MHz(1)
引用
收藏
页码：1491 / 1494
页数：4
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