FFmpeg是一个开源免费跨平台的视频和音频流方案，属于自由软件，采用LGPL或GPL许可证（依据你选择的组件）。它提供了录制、转换以及流化音视频的完整解决方案。它包含了非常先进的音频/视频编解码库libavcodec，为了保证高可移植性和编解码质量，libavcodec里很多codec都是从头开发的-FFmpeg is a free open source cross-platform video and audio streams program is free software, LGPL or GPL license (based on the components you choose). It provides record, convert and stream audio and video complete solution. It contains state-of-the-art audio/video codec library libavcodec, in order to ensure high portability and codec quality, libavcodec codec developed from scratch