Re: [Avid-L2] Re: Avid Seg AAF'd to Resolve for transcoding then .mov export skips frames?

My professional advice is to have a sick day.

Let the guy who did all the transcodes sort it out.

Mike


On Thu, Jul 18, 2013 at 7:31 AM, johnrobmoore <bigfish@pacbell.net> wrote:

> **
>
>
> Well this Resolve is so under powered it won't even play the sequence of
> DNX 220 media in real time even with the 2nd Quadro card. Given they
> decided to work from DNX and not the Red Raw files I really don't see the
> big advantage to Resolve on this project. They linked ama to Red Epic files
> in Avid then aaf'd sringouts of the reels to Resolve so Resolve could do
> the transcode to DNX, for some reason the AE station would line ama to Red
> but not transcode. My station does. After the transcodes were done then
> back to avid to relink the sequence to the transcodes and send a new aaf to
> Resolve of the entire sequence. Now color correction and render out the
> individual clips. Oh and then for some reason some of the rendered out
> colored clips have different time code from the original. I'm told some are
> off a minute or so, not consistent so I'm told. If your head is spinning to
> much after all that the frame skipping error was detected in Resolve. I
> tried my own test to link to the Red Raw files ama on my SNDX but most of
> the clips are an hour plus lone and when I get one reel to ama mount volume
> many of the reels will mount the ama volume but then I get an error when
> trying to view them in the source monitor. I've got 14 GB of ram on a mac
> pro 3.1 8 core running SNDX 6.0.1 and I get all this grief just trying to
> link to the raw files ama. Oh well I really think I'd be done if we did
> this in Avid and nobody at home would notice the noise reduction they are
> using in Resolve.
>
>
> --- In Avid-L2@yahoogroups.com, "Terence Curren" <tcurren@...> wrote:
> >
> > Don't you wish now that avid had been updating the color corrector all
> these years? If we have to suffer with going out to another system to
> finish, then it doesn't matter where you offline. FCPX, Premiere, heck even
> Vegas.
> >
> > --- In Avid-L2@yahoogroups.com, "johnrobmoore" <bigfish@> wrote:
> > >
> > > So today on further analysis it turns out the skipped frames are
> actually in the Resolve timeline. When we go to sections with a skip we can
> see the source time code actually jump one frame at the skip. This makes
> sense giving there is a skip but this are within clips on the timeline.
> There is no edit point reflected in the clip that would account for a 1
> frame shift. Also if we find the clip in the media pool it is clean with no
> frame skip and if we cut that into the show timeline on an upper track
> there is no skip there.
> > >
> > > The skipping clips came in as an aaf from Avid and it's not all the
> clips just every so often. I can't help still thinking there is some
> misinterpretation of 29.97 to 30 or vice versa going on. As far as I know
> all the settings involved in this are set to 29.97 or perhaps 59.94. Kinda
> frustrating.
> > >
> > > --- In Avid-L2@yahoogroups.com, John Moore <bigfish@> wrote:
> > > >
> > > > This one hour show was offlined in Avid using downconverts from
> multiple Red Epics. The finished offline sequence was decomposed in avid
> and then stringouts of the reels were made into timelines to facilitate
> exporting aafs of the string outs linked to the origial R3D files. This
> was done to transcode the need footage to DNX 220. Apparently the AE could
> not get his Avid 6.x to do the transcodes from ama linked R3D files. My
> similar system does but his doesn't. So the transcodes were done in
> Resolve. I'm not sure if those transcodes were then linked back up in Avid
> and a new aaf of the timeline was sent to Resolve for color correction but
> that is my guess at this point. The problem we are seeing now is that the
> .mov in ProresHQ exported from Resolve of the final show is skipping frames
> ever minute or so. These are a complete skipped frames that I have
> confirmed are not skipped on the original R3D files. My gut feels like
> something is
> > > > going on between 29.97 and true 30. The footage was shot 29.97P but
> I'm wondering if in one of the myriad of transcodes there could have been
> some link in the chain that was trying to in essence frame rate convert and
> thereby caused the skipping frame every so often. I stepped through field
> by field or Psf by Psf to be more accurate and it's definately skipping
> over a complete frame. Nothing like a frame being doubled up it's a
> missing frame that exists in the original. Anybody seen this type of
> behavior? I was not involved in the workflow so I'm trying to back
> engineer something that hasn't really been engineered from the start. TIA
> > > >
> > > >
> > > > John Moore
> > > > Barking Trout Productions
> > > > Studio City, CA
> > > > bigfish@
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
> > >
> >
>
>
>


[Non-text portions of this message have been removed]



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