FFmpeg是一套可以用来记录、转换数字音频、视频，并能将其转化为流的开源计算机程序。它包括了目前领先的音/视频编码库libavcodec。 FFmpeg是在Linux下开发出来的，但它可以在包括Windows在内的大多数操作系统中编译。这个项目是由Fabrice Bellard发起的，现在由Michael Niedermayer主持。可以轻易地实现多种视频格式之间的相互转换，例如可以将摄录下的视频avi等转成现在视频网站所采用的flv格式-FFmpeg is a record used to convert digital audio, video, and can convert it to a computer program source stream. It includes the current leading audio/video encoding library libavcodec. FFmpeg is developed under Linux, but it can be compiled on most operating systems, including Windows, including the. This project was initiated by a Fabrice Bellard, now chaired by Michael Niedermayer. Can easily achieve a variety of mutual conversion between video formats, for example, under the video, such as avi video format convert flv video site is now used