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Calculate total duration of an impress presentation [closed]

asked 2016-01-14 03:12:44 +0100

thiago gravatar image

updated 2020-08-07 02:54:31 +0100

Alex Kemp gravatar image

Hello guys,

Is there any way to I calculate the total duration of my presentation? Maybe reading the metadata from my .odp file and using some script.

I need this to kill the process after my presentation ends. I didn't found another way to just start my presentation from terminal, show all slides and close the presentation.

If you know another way to do this please tell me :) I'm just beginning in the free software world.

I'm using LibreOffice 420m0(Build:2) In a Elementary OS

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Closed for the following reason question is not relevant or outdated by Alex Kemp
close date 2020-08-07 02:54:54.551101

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answered 2016-09-28 13:47:12 +0100

ax5 gravatar image

In the content.xml that is inside the .odp (you can use unzip to extract it) there is a tag telling the duration of slides for each style. In the following example it is 876 (with PT before and S after):

<style:style style:name="dp3" style:family="drawing-page"><style:drawing-page-properties presentation:transition-type="automatic" presentation:duration="PT876S" presentation:background-visible="true" presentation:background-objects-visible="true" presentation:display-footer="false" presentation:display-page-number="true" presentation:display-date-time="false" smil:type="zoom" smil:subtype="rotateIn"/></style:style>

If your presentation have only one slide style, you can probably make a simple script to get that number and multiply by the number of slides (i think it is the number of times the string <draw:frame appears). If more than one slide styles, the parsing would be harder, as you will need to know how many slides use each style.

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answered 2016-09-29 08:47:20 +0100

pierre-yves samyn gravatar image


The Presenter Console gives you the total duration of a presentation.

In your case, it seems safer to interrupt the presentation after projection of a number of slides (which you determine).

The LimitPresentation.odp attached includes 3 slides. It is set to be screened in a loop. The addListener macro starts the Slideshow and ends after projection of 6 slides.

Just change the value of NbMax constant in the beginning of the procedure according to you needs.


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Asked: 2016-01-14 03:12:44 +0100

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Last updated: Sep 29 '16