This is the rework like it was done for VMR9 side.
Post Processing filter was not handled correctly, that mean post processing filter can take priority on selected video decoder (this is the case with ffdshow).

I have rework the forgotten DVD part.

h4. Steps to Reproduce
Add ffdshow video decoder as post processing filter.
Set LAV Video decoder as video codec (or something else)
Start DVD
Look the graph (graphstudio)
FFDShow is connected in place of LAV Video and LAV Video stay alone in graph