Por cierto 2ª parte. he visto esto aquí:
http://debian-multimedia.org/update_testing.txt

kdenlive (0.5.svn20080420-0.2 to 0.7-0.0)

    Maintainer: Christian Marillat 
    Too young, only 1 of 10 days old
    kdenlive/i386 unsatisfiable Depends: libavcodec51 (>= 3:20080706)
    kdenlive/i386 unsatisfiable Depends: libavformat52 (>= 3:20080706)

    out of date on alpha: kdenlive (from 0.5.svn20080420-0.2)
    kdenlive/amd64 unsatisfiable Depends: libavcodec51 (>= 3:20080706)
    kdenlive/amd64 unsatisfiable Depends: libavformat52 (>= 3:20080706)
    kdenlive/armel unsatisfiable Depends: libavcodec51 (>= 3:20080706)

    kdenlive/armel unsatisfiable Depends: libavformat52 (>= 3:20080706)
    out of date on hppa: kdenlive (from 0.5.svn20080420-0.2)
    out of date on ia64: kdenlive (from 0.5.svn20080420-0.2)
    kdenlive/mipsel unsatisfiable Depends: libavcodec51 (>= 3:20080706)

    kdenlive/mipsel unsatisfiable Depends: libavformat52 (>= 3:20080706)
    kdenlive/powerpc unsatisfiable Depends: libavcodec51 (>= 3:20080706)
    kdenlive/powerpc unsatisfiable Depends: libavformat52 (>= 3:20080706)

    kdenlive/sparc unsatisfiable Depends: libavcodec51 (>= 3:20080706)
    kdenlive/sparc unsatisfiable Depends: libavformat52 (>= 3:20080706)
    Not considered
    Depends: kdenlive mlt++ (not considered)

    Depends: kdenlive mlt (not considered)