Field Order / Jumpy Playback

[johnnysc]

I have a bunch of video clips from various sources. I capture alot of them, my friend captures them and i download some from the internet. Everything i capture seems to be Top Field First (Field A). The downloaded clips sometimes are bottom field first (field b). I use vegas video to edit them together and convert them to mpg2. On my computer the playback is fine. When i play it in a dvd player my videos are fine but the downloaded ones are jumpy. Can i use tmpg to convert the field order prior to editing them together? Or is there some other way around this. Perhaps converting it to progressive? Not sure what to do any help would be appreciated.
Thanks

[lordsmurf]

mixing IL source can do this.

[winifreid]

Try restream.

[SaSi]

You must not combine together avi files with different field order. Before joining them, you must ensure they have the same field order.

Restream is good for MPEG-2 files, however, if the mpeg2 file is a join of different field order files, you will only reverse the mess.

One way to fix these is to take them through virtualdub and re-encode them to avi prior to encoding them to mpeg2. Use divx 5.11 and encode as interlaced. It gives the option of selecting the field order. If you use constant quality, a qf of 2-3 and fastest setting, encoding will be very fast and quality will not be visibly affected.

[johnnysc]

is there a quick tool that will tell me what field order the mpg is? I know i can load it into tmpgenc and look at the source thing but i have 60 vids and thats kind of tedious. I was thinking something like gspot where i can just drag and drop the files and it quickly tells me what the field order is. Thanks

[johnnysc]

nevermind i posted before i downloaded that program. that tells me in there. Thanks guys for the help.