http://ffmpeg.org/
1.0 was released on 2012-09-28. It is the latest stable FFmpeg release from the 1.0 release branch, which was cut from master on 2012-09-28. Amongst lots of other changes, it includes all changes from ffmpeg-mt, libav master of 2012-09-27, libav 0.8.3 as of 2012-09-27.
Download ( approx 7.5mb ) :
http://www.datafilehost.com/download-6656e538.html