Garbled preview/export with AVC source files in project

[Rick Anvican]

ok, thanks for the help and advice john, for the sake of vegas it’s probably best to keep it separate from transcoding.

I don’t update vegas often, so I have lack of knowledge on which builds are stable and which are not, think I’ll try Vegas 12 after doing a fresh OS install, would you happen to know from your experience which builds of Vegas 10, 11 and 12 on x64 are most stable or comparably less bugs? (i’m looking for builds where vfx1.ofx and compoundplug.dll behave well)

Something off-topic, but do you have CPU parking disabled? What are your thoughts on this and would you recommend this? Thanks.

[John Rofrano]

[Rick Anvican] “would you happen to know from your experience which builds of Vegas 10, 11 and 12 on x64 are most stable or comparably less bugs?”

My experience with Vegas Pro 11 was that it was less stable than either 10 or 12. Vegas Pro 10 was very solid and I’m using the latest version of 12 now with no problems.

~jr

http://www.johnrofrano.com
http://www.vasst.com

[Rick Anvican]

Thanks for your help John, I’ve encountered a problem that I could solve myself, but was wondering if Vegas has a deinterlacing method without resampling, which would make my workflow more efficient.

Basically, I’m trying to deinterlace (interpolate) DV@50i into 50p for a 50p project and slowing down the deinterlaced footage to half its original speed, only thing is that smart resample would frame-blend neighbouring frames and cause ghosting which is not what I want, I want the “duplicate frame” effect which is achieved with disable resample but it loses the extra frames from deinterlacing.

Any ideas? Otherwise I’ll have to time stretch the source footage in After Effects with some sort of envelope like the velocity envelope in vegas pro.

Thread on creativecow: https://forums.creativecow.net/thread/24/973963

[John Rofrano]

Try the Yadif Deinterlace plug-in for Sony Vegas. That might do what you want.

~jr

http://www.johnrofrano.com
http://www.vasst.com

[Rick Anvican]

I’ve tried it following the author’s website instructions, but on smart resample, ghosting is still there but with reduced visibility when slowed down to half the original speed compared to interpolation by vegas and on disable resample, the footage becomes 25p at original speed so the extra 25 deinterlaced frames are gone.

Yadif Deinterlace for Vegas doesn’t do double-deinterlacing like Yadif(2x); (if it can I believe that disable resample shouldn’t affect it). This was mentioned on author’s website saying that it doesn’t double the framerate because the port only features modes 0 and 2 present in the old Yadif (https://forums.creativecow.net/thread/24/923607), modes 1 and 3 doubles framerate.

Now I realise that I need a plugin that could do “Bob” deinterlacing which would do double-deinterlacing.

[John Rofrano]

[Rick Anvican] “Now I realise that I need a plugin that could do “Bob” deinterlacing which would do double-deinterlacing.”

It sounds like you need to delve into the world if AviSynth. 😉

~jr

http://www.johnrofrano.com
http://www.vasst.com

[Rick Anvican]

That is true John, good thing I had some experience with Avisynth and Virtualdub. I’ve heard that there was a wrapper plugin for Vegas (debugmode’s frameserver) that could incorporate AVIsynth filters for use in vegas projects, hope it supports 64-bit.

After Effects’ time stretch was a cycle of trial and error – on some of the footage, I would get the desired effect, on others there would the weaving effect (where two fields are shown in one frame), “field bob” in Virtualdub deinterlaces well with interline twitter and “bobbing” that is very reminiscent of the analog days when such video was slowed down.
Speaking of analog, would you happen to know what interlaced analog formats there were for professional use using a composite signal (e.g. video production, television and broadcasting)? Sony’s Betacam and Panasonic MII are analog but record component video, I’ve seen some Canon video production equipment and wondering if they had their own format.

If Vegas will have more deinterlacing methods in future, that would be quite handy for me.

Edit: This is a question that I’m asking others as well, but what are your thoughts on interlaced material with regards to its limitations and/or difficulties (e.g. deinterlacing, resolution, artifacts)? Thanks.

[John Rofrano]

[Rick Anvican] “Speaking of analog, would you happen to know what interlaced analog formats there were for professional use using a composite signal (e.g. video production, television and broadcasting)? Sony’s Betacam and Panasonic MII are analog but record component video, I’ve seen some Canon video production equipment and wondering if they had their own format.”

Sorry, I have no experience with analog broadcast equipment. Back in the days of analog I would capture using M-JPEG so I’ve only dealt with analog after converting to a digital file. I remember that analog has the field order reversed from DV but even that depended on the capture device if I remember correctly.

~jr

http://www.johnrofrano.com
http://www.vasst.com

[Rick Anvican]

Interesting, what capture card are you using/did you use? I have many old VHS tapes with rare recordings that I would like to archive. Of course, being VHS you can’t really “upscale” or enhance its image quality in the capture, so I just want to get the best out of the original, want to do this before my 20-year old VHS recorder gives up its soul.

Do you know anybody else on the forum here or another forum that might have worked with analog broadcast equipment?

[John Rofrano]

[Rick Anvican] “what capture card are you using/did you use?”

Back when I had analog cameras I used a Pinnacle DC10 card. It captured directly to M-JPEG. These days I use a Canopus ADVC-300 to capture VHS tapes to DV format. It has a Time-Base Corrector (TBC) which is what you need for old tapes that may have timing issues. At that point I’m working with DV AVI files and, like you, I have a whole draw full of 25 year old VHS tapes I have to capture before they don’t play any more.

~jr

http://www.johnrofrano.com
http://www.vasst.com