Preserve references from Master Video
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Preserve references from Master Video
We are working on clips from master video files. <br><br>The master files are shared in a wide community, but for practical reasons, we want to work on 1 or 2 minute clips. Is there a way to work with the clips separately but still preserve the time references to the original?<br><br>E.G. have ELAN display the clip start as, say, 23 minutes, 10.35 seconds.<br><br>Bruce<br>
Re: Preserve references from Master Video
No, this is not possible. The only manipulation of the media timeline currently possible, is setting an offset, i.e. specifying a new "point zero". So it is possible to treat 00:23:10.350 as 00:00:00.000 (disregarding everything before that timestamp) but not the other way round.
-Han
Re: Preserve references from Master Video
No, this is not possible. The only manipulation of the media timeline currently possible, is setting an offset, i.e. specifying a new "point zero". So it is possible to treat 00:23:10.350 as 00:00:00.000 (disregarding everything before that timestamp) but not the other way round. -Han
I understand. (Though you might put the idea on a wish list - I suspect we are not the only group who could use that feature).
In terms of alternate solutions, if I write a script to go thru the entire X.eaf file and add a constant value to each time value (say, 00:23:10.350), and then replaced my segment of video with the original, would things automatically sync up? (Assuming that my constant was correct, of course).
If that would work, that technique would allow up to create reports that would behave as if we had annotated directly from the original.
Thanks for your prompt reply.
Bruce in Toronto
Re: Re: Preserve references from Master Video
I'll put the idea on the wish list.
Your alternate solution seems to be more or less equivalent to replacing the clip media by the original media (Edit->Linked Files) and subsequently shifting all annotations n ms (e.g. 00:23:10.350 in ms) to the right (Annotation->Shift All Annotations...). Yes, things would sync up correctly that way.
By the way: if you set an offset into the media file as mentioned in my previous post (via Options-> Media Synchronization Mode), in the eaf there will be a TIME_ORIGIN="nnn" attribute in the MEDIA_DESCRIPTOR element. Just to see what happens and at your own risk, you could set this to a negative value, (e.g. -00:23:10.350 in ms) and open the file. I tried it and several buttons (like "go to beginning") don't work properly and generate all kinds of exceptions, but the visual situation seems to be more or less the way you like it to be: when the video is a the beginning, the timeline shows something like 00:23:10.350.
-Han
PS sorry for the delay, the RSS system doesn't work properly for follow up posts.
Release of ELAN 4.3.0
