Mixing interlaced and progressive video...

[MYoung]

Here's my problem..

I have some interlaced video that I want to put with some progressive images (for a slide show as video -- duplicating frames), all in one AVI (joined using an AviSynth script) and then encode to DVD.

I know that I cannot just mix the interlaced video with the progressive video. So what I did was use some AviSynth code to telecine the progressive video into interlaced video...

AVISource("C:\video.avi")
AssumeFrameBased
SeparateFields
SelectEvery(8, 0,1, 2,3,2, 5,4, 7,6,7)
Weave
return last

But when I encode the video I can see that my software DVD player is doing BOB deinterlacing on the progressive video instead of doing 3:2 pulldown -- the image is slightly blurry verses if I just encode only the progressive video using TMpgEnc's "non-interlace" setting.

I thought that I have to select "3:2 pulldown" for the encoding mode and select "interlaced" for source type in TMpgEnc. But perhaps TMpgEnc is not encoding the information for 3:2 pulldown correctly because it is looking for interlacing lines when there aren't any in a telecined series of still pictures?

I have tried this before with stop-motion animation -- 23.976 fps progressive video telecined to 29.970 fps and then encoded with "3:2 pulldown" for the encoding mode and select "interlaced" for source type in TMpgEnc and the pulldown worked properly, except a few frames were still interlaced -- perhaps TMpgEnc didn't detect them properly. Could someone point me in the right direction? Do I need to specify the 3:2 pulldown manually if TMpgEnc is not detecting it properly? Thanks!

[MYoung]

Anyone?