Processing Order when using Plugins

Mike M. wrote on 10/7/2015, 1:36 PM
Hi to the group.

I've recently wondered about the order in which Vegas processes video.

When I open a 480x320 video clip on the Vegas timeline. Then I apply a track FX to the same clip, for instance: Sony Sharpening" or "Neat Video". Finally, I render to my final format and at the same time increase the resolution in the rendering settings.

Does Vegas apply the FX filtering to the original or the higher resolution output ?

Ultimately, I want to use the FX filters to filter (noise for example) and increase the resolution. What is the best workflow to do this since I'm thinking that increasing the resolution also increases the noise.

Mike

Comments

Tech Diver wrote on 10/7/2015, 1:55 PM
If you look at page 398 (chapter 16) of the latest VP13 user manual, there is a detailed video signal flow diagram as well as one for the compositing signal flow (p.399) that should answer your question.

Peter
Geoff_Wood wrote on 10/7/2015, 6:13 PM
Certainly more straightforward in audio plugin processing - the chain left-to right as you'd expect. Wish it was still like that in SF !

geoff
Mike M. wrote on 10/7/2015, 6:51 PM
Actually, unless I'm overthinking this, the manual doesn't explain it.

I assume that using a "Track FX" (example: Sony Sharpen) only sharpens the input source file first and not after the files resolution (size) has been altered.

Video File>>FX Sharpen>>Resolution change>>rendered output

NOT

Video File>>Resolution Change>>FX Sharpen>>rendered output

But, for some reason that doesn't make sense to me since you'd want to have the best results with the rendered final product (in this example sharpening after the resolution change).
TheHappyFriar wrote on 10/7/2015, 7:20 PM
No, perfect sense the way it's done. You're not doing a post-scale FX. If you want to do it the way you're suggesting, make the project the desired resolution & then apply the FX. The footage will be scaled & then the FX applied because the scale was done before hand.
Mike M. wrote on 10/7/2015, 8:36 PM
".........make the project the desired resolution & then apply the FX....."

I appreciate the clarification. OK, then that does make sense.......and that's the way I'm doing it.

And, now it follows that if you "Match Media...", then it's not going to work the same way.

Thanks HappyFriar.
NormanPCN wrote on 10/7/2015, 9:11 PM
Match Media is a list of special circumstance cases. (listed in the Help). From my observation the frame size is conformed at the pan/crop stage.