[Xerte-dev] Re: An idea about timings in media lessons

Fay Cross Fay.Cross at nottingham.ac.uk
Wed Jun 10 15:26:05 BST 2015


I've just committed some code that allows this relative synching in the media lesson page by using e.g. "+10" in the synch point fields.
 
 - Start synch points are relative to the previous sibling's start point
 - End synch points (normally added with an optional property) are relative to that content's own start point

Where there is nested content (e.g. slideshows & subtitles) the 1st child looks at the synch point of its parent while all subsequent children use their previous sibling. Any content after the nested content will be relative to the start point of the nested parent rather than any of its children.

The synch points for each panel are calculated separately so content can only be relative to content on the same panel.

You can also use relative synch points for jump points (e.g. when answering a MCQ).

I'll look at adding something similar to the other media pages too (synched video, transcript reader & audio slideshow)


-----Original Message-----
From: xerte-dev-bounces at lists.nottingham.ac.uk [mailto:xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Fay Cross
Sent: 03 June 2015 10:58
To: For Xerte technical developers
Subject: [Xerte-dev] Re: An idea about timings in media lessons

I like this timings idea and it really shouldn't take long to add in. Like you say, from what I can remember when I wrote the page template it completely disregards the order in the editor and just sorts the content from all panels by their synch point. If I get a chance I might be able to look at it sometime.

Fay

-----Original Message-----
From: xerte-dev-bounces at lists.nottingham.ac.uk [mailto:xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Smith, Bradley
Sent: 27 May 2015 19:59
To: For Xerte technical developers
Subject: [Xerte-dev] Re: An idea about timings in media lessons

I almost definitely won't have time to do much until after the conference has started, though maybe if anyone is interested in working on it with me at the Hackathon? Thanks for the offer of help, John, if we end up planning something I'll be sure to include you in case you can take part remotely.

-Brad


> On May 27, 2015, at 10:50 AM, Smith, John <J.J.Smith at gcu.ac.uk> wrote:
> 
> If you want to fork a copy of xot and start building it Brad and send me a reminder then i'll be happy to help... unfortunately I wont be in Baltimore though!!
> 
> John Smith
> Learning Technologist | School of Health & Life Sciences
> 
> T: +44 (0)141 331 3989 | E: J.J.Smith at gcu.ac.uk Glasgow Caledonian 
> University, Cowcaddens Road, Glasgow, G4 0BA, Scotland, United Kingdom 
> ________________________________________
> From: xerte-dev-bounces at lists.nottingham.ac.uk
> [xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Julian Tenney 
> [Julian.Tenney at nottingham.ac.uk]
> Sent: 27 May 2015 15:33
> To: For Xerte technical developers
> Subject: [Xerte-dev] Re: An idea about timings in media lessons
> 
> That's a good idea: you're right, the timings are just timings, so adding an intro will put everything out. It doesn't sound very difficult to implement, do you fancy having a go at it?
> 
> See you in Baltimore!
> 
> -----Original Message-----
> From: xerte-dev-bounces at lists.nottingham.ac.uk
> [mailto:xerte-dev-bounces at lists.nottingham.ac.uk] On Behalf Of Smith, 
> Bradley
> Sent: 27 May 2015 15:27
> To: For Xerte technical developers
> Subject: [Xerte-dev] An idea about timings in media lessons
> 
> (...and several other things, I guess.)
> 
> I've been playing around with the Media Lesson component and my head is abuzz with ideas I'm looking forward to trying. One thing has occurred to me, though: it looks like every event that you want to play during the video takes a fixed synch point, and thus the order in which the events appear in the editor has no bearing on when they actually show up.
> 
> Consider: Suppose I make a change to a video that adds a 15 second clip starting 150 seconds in. Based on my limited experimentation so far, all of my events with synch points >= 150 are now off by 15 seconds, right?
> 
> What if we supported synch points specified in either of two formats: "X", meaning "X seconds into the video", or  "+X", meaning "X seconds after the previous synch point"? This way if all of my synch points use the latter format I only need up update the one immediately after new clip in my video.
> 
> Thoughts?
> 
> -Brad
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