基于DirectShow的H.264解码filter设计
首发时间:2008-12-17
摘要:DirectShow是一种基于COM技术的多媒体编程接口,它给出了一种全新的多媒体数据处理模型,并封装了采集、压缩和解压缩等一系列算法,使视频监控、视频会议等多媒体应用系统的开发变得简单而富有成效。本文重点研究基于DirectShow平台的H.264视频解码过滤器的设计与实现。首先,分析了DirectShow的整体架构以及filter、filter graph manager等核心概念;其次,根据在DirectShow平台下开发DirectShow过滤器的一般思路和步骤,结合当前的开源H.264解码库,设计并且实现了基于H.264的媒体流解码过滤器。
关键词: DirectShow filter H.264 解码
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Design of Filter for Decoding H.264 Bit Stream Based on DirectShow Technology
Abstract:DirectShow is a multimedia programming interface based on COM technology, which leads to a fire-new model for processing multimedia data and encapsulates a series of arithmetic about capturing, encoding and decoding etc. Such characteristics make development of multimedia application much simpler and more effective. This paper focuses on design of decoding filter according to H.264 video standard. Firstly, it analyses integer construct of DirectShow technology and key concepts, such as filter and filter graph manager etc. Secondly, it designs and implements decoding filter, according to common development approach and open code lib based on H.264 decoding.
Keywords: DirectShow filter H.264 decode
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No.2665337185912294****
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