This IS the Avid L2: Re: [Avid-L2] Re: Dealing with duplicate clip naming with AVCHD cameras.

Thursday, January 24, 2013

Re: [Avid-L2] Re: Dealing with duplicate clip naming with AVCHD cameras.

So just to clarify -- I think you're talking about relinking AMA
masterclips to files on disk, whereas I've been more concerned with
relinking sequences to AMA masterclips.

Cheers,
--Michael

On 13-01-24 1:57 AM, bouke wrote:
>
> Found back my notes:
> Avid (this was tested on a 5.0x) takes the foldenames into account (let's
> call it Reel)
> This is the rootfolder of the clip. (in case of clips from a supported
> system (eg, XDcam / P2),
> it takes the top folder the image resides in.
> If that foldername stays intact, even with same filenames Avid will
> relink
> correct.
> And i was wrong, relinking sequences to new imported AMA masterclips
> is no
> problem.
> (note, this is from a manual i wrote 3 months a go, have not tested it
> today.)
>
> It's sure good to hear that 6.5 has better relinking options!
>
> Bouke
>
> VideoToolShed
> van Oldenbarneveltstraat 33
> 6512 AS NIJMEGEN
> The Netherlands
> +31 24 3553311
> www.videotoolshed.com
>
> ----- Original Message -----
> From: "bouke" bouke@editb.nl >
> To: Avid-L2@yahoogroups.com >
> Sent: Wednesday, January 23, 2013 8:26 PM
> Subject: Re: [Avid-L2] Re: Dealing with duplicate clip naming with AVCHD
> cameras.
>
> > Hmm.
> > Must think about this (and find back my old notes.)
> > I did make something to find / copy partial disk images based on an
> ALE,
> > to AMA relink to a consolidated sequence.
> > But i forgot if i needed the path / name for finding them, or for
> > relinking, or both...
> > And, i was under the impression that relinking sequences to AMA won't
> > work, just 'old' masterclips to new AMA masterclips.
> > (hence the consolidated sequence, sequence links to online masterclips)
> > I know for sure the duration matters, as i've been horribly bitten
> by the
> > 'off by one' error between originals and transcodes.
> > More when i find back my notes (not today, i've powered down the whole
> > shebang already.)
> >
> > Bouke
> >
> > VideoToolShed
> > van Oldenbarneveltstraat 33
> > 6512 AS NIJMEGEN
> > The Netherlands
> > +31 24 3553311
> > www.videotoolshed.com
> >
> > ----- Original Message -----
> > From: "Michael" brocking@sfu.ca >
> > To: Avid-L2@yahoogroups.com >
> > Sent: Wednesday, January 23, 2013 8:12 PM
> > Subject: [Avid-L2] Re: Dealing with duplicate clip naming with AVCHD
> > cameras.
> >
> >
> > Hi Bouke:
> >
> > I saw an older message somewhere about your software tool to rewrap
> > AVCHD as Quicktime, which is why I was curious if anyone on the list
> had
> > seen similar artifacting while using Clipwrap to do the same thing. I
> > have only done a short test with Clipwrap, and while those clips
> play back
> > with severe freezing (when brought in via AMA), I didn't see any issues
> > with artifacts after transcoding them.
> >
> > As for duplicate clip names, on Symphony 6.0.3, relinking a sequence to
> > AMA clips only appears to look at clip name and timecode. (If you're
> just
> > trying to relink AMA masterclips, I'm sure it pays attention to more
> > stuff.)
> >
> > So if you have 2 source clips (AMA'd from different directories) with
> > identical names and overlapping timecodes, it's entirely possible to
> > transcode, cut a sequence using both clips, relink back to original AMA
> > files, and find your relinked sequence using just one of the files for
> > all occurences of the duplicate/overlapping files in your timeline. In
> > fact, if you turn on dupe detection in the timeline, it will show false
> > dupe regions where the timecodes overlap between 2 AMA clips with
> the same
> > name.
> >
> > I see that v6.5 does include a wider variety of options for relinking,
> > including using arbitrary bin columns instead of tapename/filename,
> which
> > would make it fairly simple to work around the problem.
> >
> > Cheers,
> > --Michael
> >
> > --- In Avid-L2@yahoogroups.com ,
> "bouke" wrote:
> >>
> >> John,
> >> Bourke is called Bouke (Pronounced as Bow (like from a ship) and CU
> (like
> >> in
> >> cunt))
> >> And, i've bad experiences with AVCHD wrapped in a QT container.
> >> I made something that does this, but Avid shows horrible artefacts.
> >> But i don't understand the original question (I'm late at this thread)
> >> Since Avid uses duration (and perhaps UMC filepath / name, perhaps even
> >> relative), what is the problem with duplicated filenames?
> >>
> >> Bouke
> >>
> >> VideoToolShed
> >> van Oldenbarneveltstraat 33
> >> 6512 AS NIJMEGEN
> >> The Netherlands
> >> +31 24 3553311
> >> www.videotoolshed.com
> >>
> >> ----- Original Message -----
> >> From: "johnrobmoore"
> >> To:
> >> Sent: Wednesday, January 23, 2013 8:03 AM
> >> Subject: [Avid-L2] Re: Dealing with duplicate clip naming with AVCHD
> >> cameras.
> >>
> >>
> >> Well if you get the clips into .mov form then QT Change might help
> >> automate
> >> the clip renaming and or adding reel names etc... in a batch manner. I
> >> don't use it for this function but it seems that's one of it's biggest
> >> features for organizing clips from card and folders. If I'm wrong about
> >> this I'm sure Bourke will set me straight.
> >>
> >> --- In Avid-L2@yahoogroups.com ,
> Michael Brockington wrote:
> >> >
> >> > Had a chance to do a bit of testing, and figured I'd report the
> >> > results...
> >> >
> >> > Unfortunately assigning tapenames to AMA clips doesn't work for my
> >> > current project. From what I read, this doesn't work in projects with
> >> > film options enabled. Attempting to modify the source produces an
> >> > error
> >> > message about having to unlink the clip first. If I do unlink and
> >> > assign a tape name, the clip can no longer be relinked back to
> its AMA
> >> > source.
> >> >
> >> > Clipwrap looks like a more robust solution for my purposes. Seems
> like
> >> > Clipwrap can rewrap the AVCHD streams as quicktimes (ie. no
> >> > recompression), while preserving timecode and dealing properly with
> >> > spanned clips. Those quicktimes can then be easily renamed to
> >> > incorporate a unique cardname, brought into Avid via AMA, and
> >> > transcoded
> >> > as necessary.
> >> >
> >> > The Clipwrapped AMA clips don't play back smoothly on my system
> >> > (Symphony 6.0.3, OS 10.7.4, 2.24 GHz quad-core intel xeon, 24 GB
> RAM),
> >> > but once transcoded they appear fine.
> >> >
> >> > Has anyone run into any issues using Clipwrap in this way?
> >> >
> >> > Thanks,
> >> > --Michael
> >> >
> >> > On 13-01-16 11:31 PM, namyrb wrote:
> >> > > You shouldn't have any problems. If you do then you can give your
> >> > > AMA
> >> > > clips tape names when you get to the uprez/online stage and
> >> > > everything
> >> > > should link. Finished a show a few months ago, completely filebased
> >> > > while
> >> > > using tape names. That was on MC4. But like I said, you can give
> >> > > the
> >> > > clips custom bin columns.
> >> > >
> >> > >
> >> > > On Wed, Jan 16, 2013 at 11:25 PM, Michael Brockington wrote:
> >> > >
> >> > >> **
> >> > >>
> >> > >>
> >> > >> Thanks for this suggestion, Wilson. I did some testing, and while
> >> > >> the
> >> > >> camera we are using doesn't work quite the same as yours, it does
> >> > >> seem
> >> > >> like something similar will work.
> >> > >>
> >> > >> We're using a Panasonic AC-90. Here's a summary of how it behaves:
> >> > >>
> >> > >> 1. If the memory card is reformatted, .MTS clips restart their
> >> > >> numbering
> >> > >> from 00000.MTS
> >> > >> 2. If all clips on the card are deleted via camera menus, same
> >> > >> thing --
> >> > >> .MTS clips restart numbering from 00000.MTS
> >> > >> 3. If the last recorded clip on the card is NOT deleted, all the
> >> > >> other
> >> > >> clips can be deleted via camera menus, and .MTS clip numbering
> will
> >> > >> continue to increment from the last recorded clip -- so this is a
> >> > >> workable way to avoid duplicate filenames.
> >> > >>
> >> > >> Thanks,
> >> > >> --Michael
> >> > >>
> >> > >>
> >> > >> On 13-01-16 11:36 AM, Wilson Chao wrote:
> >> > >>> On my Panasonic GH2 (which shoots AVCHD) I never re-format; I
> just
> >> > >> "delete
> >> > >>> all" files. My clip names continue to increment, with no
> >> > >>> duplicates.
> >> > >>> On Jan 16, 2013 8:29 AM, "Michael Brockington" brocking@> wrote:
> >> > >>>
> >> > >>>> **
> >> > >>>>
> >> > >>>>
> >> > >>>> How are folks dealing with consumer AVCHD cameras that don't
> allow
> >> > >>>> setting custom clip names or prefixes? Every time a memory
> card is
> >> > >>>> formatted, the camera starts capturing another series of
> >> > >>>> identically
> >> > >>>> named clips -- "00000.MTS", "00001.MTS" etc.
> >> > >>>>
> >> > >>>> If I AMA these clips into Avid and transcode, they appears to
> >> > >>>> retain
> >> > >>>> timecode, but I think the identical clip names have the
> potential
> >> > >>>> to
> >> > >>>> cause me grief when I try to relink to the original files. (Am I
> >> > >>>> being
> >> > >>>> too paranoid?)
> >> > >>>>
> >> > >>>> Currently I convert such files externally, creating new DNxHD175
> >> > >>>> quicktimes, using Adobe Media Encoder CS5.5.1. These effectively
> >> > >>>> become
> >> > >>>> my new master footage. I batch rename the output quicktimes
> to add
> >> > >>>> a
> >> > >>>> unique cardname prefix to the filename then AMA the hi-rez
> >> > >>>> quicktimes,
> >> > >>>> and transcode them to lower-rez DNx36 for offline editing.
> There
> >> > >>>> are
> >> > >>>> a
> >> > >>>> few downsides to this approach:
> >> > >>>> 1. Large DNx175 files clogging up my hard drives
> >> > >>>> 2. Two transcodes instead of one is time-consuming
> >> > >>>> 2. Adobe Media Encoder doesn't appear to pass AVCHD timecode
> >> > >>>> through
> >> > >>>> to its Quicktime outputs in any way that Avid can understand.
> >> > >>>> Discarding that info makes me nervous.
> >> > >>>>
> >> > >>>> Is there a better approach?
> >> > >>>>
> >> > >>>> Is there a utility that would allow renaming of clips within the
> >> > >>>> AVCHD
> >> > >>>> file structure without breaking the structure, for instance?
> >> > >>>>
> >> > >>>> Is there a better software choice for transcoding that would at
> >> > >>>> least
> >> > >>>> preserve timecode from AVCHD files in the transcoded quicktimes?
> >> > >>>>
> >> > >>>> Thanks for any suggestions,
> >> > >>>> --Michael Brockington
> >> > >>>>
> >> > >>>>
> >> > >>> [Non-text portions of this message have been removed]
> >> > >>>
> >> > >>>
> >> > >>>
> >> > >>> ------------------------------------
> >> > >>>
> >> > >>> Search the official Complete Avid-L archives at:
> >> > >> http://archives.bengrosser.com/avid/
> >> > >>> Yahoo! Groups Links
> >> > >>>
> >> > >>>
> >> > >>>
> >> > >>>
> >> > >>>
> >> > >>
> >> > >>
> >> > >
> >> > > [Non-text portions of this message have been removed]
> >> > >
> >> > >
> >> > >
> >> > > ------------------------------------
> >> > >
> >> > > Search the official Complete Avid-L archives at:
> >> > > http://archives.bengrosser.com/avid/
> >> > > Yahoo! Groups Links
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> >
> >>
> >
> >
> >
> >
> >
>
>

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