Libquicktime is a library for reading and writing QuickTime files
on UNIX systems. Video CODECs supported by this library are
OpenDivX, MJPA, JPEG Photo, PNG, RGB, YUV 4:2:2, and YUV 4:2:0
compression. Supported audio CODECs are Ogg Vorbis, IMA4, ulaw,
and any linear PCM format.

libquicktime requires faac, faad2, ffmpeg, lame, libdv and x264,
all of which are available from SlackBuilds.org.