생각

reference from original FFmpeg group website : http://www.ffmpeg.org/download.html

# svn checkout svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg

according to FFmpeg help on ubuntu, (https://wiki.ubuntu.com/ffmpeg)
current trunk is not stable because it's still changing so, it says to use revision 15261

# svn checkout -r 15261 svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg

reference pace : on  https://wiki.ubuntu.com/ffmpeg , there's a procedure for svn snapshots "Compiling ffmpeg from upstream svn snapshots"

open terminal and type this command with super user privilege

# apt-get install liba52-dev libdts-dev libgsm1-dev libvorbis-dev  libxvidcore4 libxvidcore-dev libdc1394-22-dev libfaac-dev libmp3lame-dev libx264-dev libfaad-dev libtheora-dev libsdl1.2-dev

apt-get install liba52-dev libdts-dev libgsm1-dev libvorbis-dev  libxvidcore4 libxvidcore-dev libdc1394-22-dev libfaac-dev libmp3lame-dev libx264-dev libfaad-dev libtheora-dev libsdl1.2-dev