Introduction - If you have any usage issues, please Google them yourself
FFmpeg is an open source computer program that can be used to record, convert digital audio, video, and convert it into a stream. LGPL or GPL license. It provides a complete solution for recording, converting, and streaming audio and video. It contains a very advanced audio/video codec library libavcodec, in order to guarantee the high portability and codec quality, many codec libavcodec are de novo development