DirectShow实现WDM视频服务器设计
本论文设计并实现了一个网络视频服务器系统，包括服务器端与客户端两部分。采用微软Windows环境下最新的DirectShow技术来实现WDM视频采集设备的视频采集，并实现预览，压缩和播放功能。视频压缩标准采用了目前应用最为广泛的H.264/AVC 标准。网络传输部分采用 TCP 协议进行视频流的传输。
关键词 视频采集 视频传输 视频压缩 DirectShow TCP
Title Design and Implementation of Network Video Server
Abstract
With the continuous development of multimedia and network technology,
network video service has become a hot application, favored by all walks
of life, such as online video sites, video podcasts, network video
surveillance, real-time video communications and video conferencing.
Visual information is the most daily obtained information by everyone, so
that video information transmitted via the Internet caters to the basic
need of people. Due to this rising demand, higher and higher standards of
network video technology are also being proposed nowadays, not only to be
accurate and real-time, but also need to provide a more advanced service,
such as customization, multi-terminal support and encryption, which
promote related technologies constantly being updated.
This article is about designing a network video server system, including
a server and a client. This system uses the Microsoft DirectShow SDK to
capture raw video frames from a WDM video capture device, previewing and
compressing video frames at the same time, and then sends the data stream
into network. The most widely used H.264/AVC standard is used to compress
video frames. In the network transmission part, TCP is used to send and
receive video stream data.
Keywords Video Capture Transmit Compress DirectShow TCP
目 次
1 绪论 .. 1
1.1 选题的背景及意义 .. 1
1.2 国内外研究发展状况 2
1.3 主要研究内容 4
2 网络视频监控系统相关技术 5
2.1 VISUAL C++ 编程技术简介 .. 5
2.2 COM 编程基础简介 .. 5
2.3 H.264/MPEG-4 AVC 视频压缩标准简介 . 6
2.4 TCP 协议简介 7
2.5 基于DIRECTSHOW 的视频开发技术简介.. 9
2.6 基于WINDOWS SOCKET 的网络编程技术简介 12
3 网络视频监控系统概要设计 .. 14
3.1 系统需求分析 .. 14
3.2 系统功能设计 .. 14
3.3 系统模块设计 .. 15
3.4 系统开发环境 .. 16
3.5 网络拓扑结构 .. 16
3.6 系统数据流程 .. 17
3.7 系统工作流程 .. 18
4 网络视频监控系统详细设计 .. 19
4.1 服务器端界面设计 . 19
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