封装ffmpeg为一个视频/音频编码解码库,FFDec 库由一个 DLL （有可能按照授权方式不同分为两个版本） 和一个负责动态装载 DLL 的 Pascal 头文件。用户可以直接将其加入到自己的工程中进行编译。-Ffmpeg package for a video/audio codec library, FFDec library from a DLL (in accordance with the authorization may have divided into two different versions) and a dynamically loaded DLL is responsible for the Pascal header files. Users can add to your project to compile.