transition_mix.c: prevent serializing previous_mix and reset previous_mix on seeking.
[melted] / profiles / hdv_1080_50i
2007-07-20 ddennedygit-svn-id: https://mlt.svn.sourceforge.net/svnroot...
2007-07-20 ddennedygit-svn-id: https://mlt.svn.sourceforge.net/svnroot...