Does anyone know .....

[jtommyj]

A program like Virtual Dub where you can set video filters to resize, etc., that utilizes 2 cpu's like Tmpgenc. I want to transfer VCD (352x240) video to Divx (720x480) for DVD and want to use precise bilinear. Virtual Dub only takes advantage of one processor. Any programs that use 2 ?

TIA

[BJ_M]

DiVX for DVD ?


anyway Digital Fusion and Shake will do any type of re-sizeing you can think of filter wise and use as many cpus as you got - Fusion will even use all the computers on your network if you want and have lic to do so ..

you can use V-dub also on 2 cpu's .. split the movie and do each half on a seperate cpu

[jtommyj]

DiVX for DVD ?

Well ,after I convert from VCD to Divx 720x480, I then convert to DVD with Tmpgenc. The bottleneck is in the VCD to Divx. If I just go from VCD without using the filters, the quality is crap.

[BJ_M]

well - vcd is mpeg 1 , so you can have mpeg 1 dvd also (after resizing it) , and you can load mpeg1 into tmpgenc ... and add a filter if you want to .. but compressing mpeg1 with divx (mpeg4) , then re-compressing it again with mpeg2 is FOR sure going to add up to some quality loss ..

[jtommyj]

The only filter I want to add is an "exact" resizer, like bicubic or bilinear, so that the quality loss isn't as great. I don't believe that TMpgenc can do that. If I just load an Mpeg1 into Tmpgenc and try to encode it to DVD, won't I get a lot of blockiness going from 352x240 to 720x 480 or am I wrong ?

BTW- Thanks for your help !!!!

[BJ_M]

tmpgenc uses bicubic i believe ..

you are upsizing so either of those are not so good -- really for upsizing you should be using mitchell filter or at least Lanczos3 .. though coming from a vcd source i guess it will not mater a whole lot ..

i dont use vcd's but I would re-size to 1/2 D1 for DVD conversion , not as bad a resize is required and may look better ..

thats 352 x 480 .. your dvd player will resize it correctly on playback ..

[jtommyj]

Thanks for your help. I'll give it a shot. I know Virtual Dub has Lanczos3 ability.

[BJ_M]

to avoid the in between compression to divx .. why dont you frame serve the mpeg1 from v-dub to tmpgenc ?

vdub will open mpeg1 files ..

or just use huffyuv codec instead if you dont want to frame serve ..

[jtommyj]

Yeah, I thought about the frameserving. How do I avoid it with Huffy ?

[jtommyj]

Ok, I'm frameserving as I type. I'm using my Nforce2 Abit NF7-S with an overclocked xp 2400+ @ 2.4GHz to serve over my network to my Tyan Dually with 2x xp1900+. Was just trying on the Tyan but VDub was using 33 % CPU and Tmpgenc was only getting 66 %. Now with network, both are 100. Thanks for all your help