Re: DV datecode from QuickTime?
Re: DV datecode from QuickTime?
- Subject: Re: DV datecode from QuickTime?
- From: Andreas Kiel <email@hidden>
- Date: Sun, 28 Jun 2009 10:04:44 +0200
Though I totally agree with both of you - it's not Apple alone in
this case. It's way more complicated.
In former times there where just tapes - easy to handle on one hand,
difficult on the other. But in both cases it was pretty straight
forward. Metadata like LTC and VITC where on the tape, the other
where on a piece of paper in the sleeve of the tape or in some data
base.
But now having all these 'new' digital formats it's pretty tough to
bring them into one global framework.
A lot of things is just licensing, 'company secrets' and so on.
These movies are not QT movies they are just QT compatible.
With some contracts or research and trial and and error you may be
able to do some reverse engineering. Some of the stuff is free, other
is not or even illegal with reverse engineering.
It's sometimes about an arrangement, sometimes it's just about to buy
some simple SMPTE or EBU docs. Problem is that you quite often don't
know which of the docs you need as you don't have the specs of the
codec.
For the app I'm currently working on it took me quite a long time to
get an NDA with the vendor. With this NDA I do have access to codec
structures/descriptions and I can use them. If I would publish how to
do I would be in big trouble.
Again - I'm totally with you, but it needs more than Apple alone.
Andreas
On 27.06.2009, at 22:50, Bruce Sharpe wrote:
I agree 10,000%. Metadata is the future of media. It's ridiculous
that it is so difficult to dig it out. I assume the way to make an
official feature request is at the link below. Let's bombard Apple
with requests for this.
http://www.apple.com/quicktime/feedback/
Bruce
On Sat, Jun 27, 2009 at 12:09 PM, J.C. Burns<email@hidden> wrote:
I really think this info should be part of the core metadata that
Quicktime
X or Y or whatever decodes from DV (of course, I've been saying
that since
1997, and we're pretty much through with DV.)
So let me amend and update it: AVCHD, AVCHD Lite, HDV, (AND DV)
they've all
got important metadata in there (exposure stuff, time of day,
plain ol
timecode, and so on) and Quicktime should, in my aged opinion,
allow easy
access to all of it (and pass it on to the whole Spotlight metadata
infrastructure, just like with still images and JPEG info.)
I beg of you, oh please.
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