Transcoding video

This is mostly for myself to find later, but they may also be useful to others. This command will transcode video into a format that the AppleTV can understand:

ffmpeg -y -i video.avi -pass 1 -f mp4 -vcodec h264 -r 23.976 -sameq -acodec aac -ab 128k -ar 14400 -ac 2 video.mp4