摘要: 从提高外设与内核并行性的角度引入流水线的思想,实现基于查询和乒乓缓冲的控制架构,针对结构中存在的问题提出改进的双级控制架构,在该架构下实现基于H.264标准的实时视频编码。实际测试表明,该系统能在保证系统稳定性的同时,有效提高编码器的编码效率。
关键词:
视频编码,
嵌入式平台,
控制架构
Abstract: With the perspective of increasing the degree of parallelism of the on-chip peripherals and the core, this paper introduces the pipeline idea, implements a control architecture based on polling and ping-pong buffers, and develops it to an improved dual-stage control architecture. H.264-based video encoder is implemented under the architecture. Practical tests show that this system can meet the requirements of real-time capability and stability in video communications.
Key words:
video encoding,
embedded platform,
control architecture
中图分类号:
张晓波;胡薇薇;丁文锐;张其善. 面向实时视频编码应用的控制系统[J]. 计算机工程, 2008, 34(19): 225-227.
ZHANG Xiao-bo; HU Wei-wei; DING Wen-rui; ZHANG Qi-shan. Control System for Real-time Video Encoding Application[J]. Computer Engineering, 2008, 34(19): 225-227.