基于RTP/RTCP传输机制的IPv6网络音视频传输系统的设计与实现

Design and application of video and audio transmission supporting IPv6 network based on RTP/RTCP transport mechanism controls

以Direct Show多媒体框架为基础,提出一种有效的传输层设计来面向下一代网络音视频传输系统应用。该设计不仅支持IPv4,而且支持IPv6,达到了与IP层协议无关的传输;采用RTP/RTCP传输机制控制特有的Direct Show网络传输服务质量,通过特有的音视频信息头传输方法,突破了Direct Show媒体网络传输局限于特殊媒体格式的限制,同时能够支持网络组播传输。实验结果表明利用该设计能够实现面向IPv6网络音视频的传输系统。

This paper presents a transport layer design for the audio and video transmission application over the next-generation network,based on the existing Direct Show media framework,in which there are some work and breakthrough of network applications.The implement supports not only IPv4 network but also for the forthcoming large-scale IPv6 networks,with the IP layer protocol-independent transmission;using the RTP / RTCP transport mechanism controls the quality of the unique Direct Show network transmission service,and the fact that the media transmission of Direct Show is generally limited to the specific media format is pulled down,through the unique method of the audio and video head information transmission;meanwhile the design also can support multicast transmission.The theory and experiment show that a high-performance audio and video transmission system over the next-generation networks can be rapidly constructed via this design.