i use VMR9 renderer to display 3 captures cards (2 videos 25i fps in YV12 and 1 computer 25p fps in RGB)

i use 2 dscaler deinterlacing but sometimes i have a problem of deinterlacing on 1 video or both.

do you know this problem or limitation of vmr9 ?

my computer : Pentium D 3 Ghz + ATI 1800 XT or Quadro FX4500

thnaks