ST7109音视频码流的播放与同步
首发时间:2008-12-22
摘要:随着网络技术与多媒体技术迅速发展和相关硬件芯片处理能力的提高,IPTV作为一项新兴的业务,已经进入到实际的商业运营阶段。作为一种基于ST7109芯片的IPTV机顶盒设计方案,流媒体播放器是其中最重要组成部分。本文简单介绍了IPTV流媒体播放器通过网络和RTP协议获取音视频媒体ES码流帧数据的过程;叙述了ST7109芯片及调用相应API函数播放音视频码流的过程;最后提出并实现了ST7109芯片按帧播放媒体码流数据,并对相关音视频码流数据的播放进行同步控制的方案。
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Audio and Video Elementary Stream Playback and Synchronization With ST7109
Abstract:With the development of network and multimedia technology, and also for the increasing processing capacity of IC chip, IPTV provides new business opportunities。As an important part of IPTV STB, the media player using ST7109 chips receive media ES data form IP network with RTP transmission protocol. This paper introduce how to play video and audio media stream with STAPI, discuss how to inject data into the chip buffer, and present the media ES data in synchronization.
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No.2680835068212299****
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