bugGNU Octave - Bugs: bug #61721, [octave forge] (video):...

 
 

bug #61721: [octave forge] (video): VideoWriter Duration property is not always updated

Submitter:  Pantxo Diribarne <pantxo>
Submitted:  Thu 23 Dec 2021 12:17:10 PM UTC
 
Category:  Octave Forge Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Fixed Assigned to:  None
Originator Name:  Open/Closed:  * Closed
Release:  * dev Operating System:  * Any
* Mandatory Fields

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Fri 14 Jan 2022 09:48:43 PM UTC, comment #2: 

Thanks for pushing. I tested the new version on real life videos and it now works for me.

Closing report as fixed.

Pantxo Diribarne <pantxo>
Project Member
Thu 23 Dec 2021 06:00:30 PM UTC, comment #1: 
Andreas Weber <andy1978>
Project Member
Thu 23 Dec 2021 12:17:10 PM UTC, original submission:  

In the current implementation of the VideoWriter, the Duration property is only updated when the FrameCount is retrieved. E.g., the following should return a non zero value (0.033333):

fn = fullfile (tempdir (), "toto.mp4");
w = VideoWriter (fn);
open (w);
writeVideo (w, getframe (gcf));
w.Duration
close (w)

I'll attach a patch when I have a bug number.

CC'ing the package maintainer.

Pantxo Diribarne <pantxo>
Project Member

 

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Attached Files
file #52562:  bug61721.patch added by pantxo (2KiB - text/x-patch)

 

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    Follow 7 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-01-14 pantxo StatusReady For Test Fixed
        Open/ClosedOpen Closed
    2021-12-23 andy1978 StatusPatch Submitted Ready For Test
    2021-12-23 pantxo Summary(octave forge) [video]: VideoWriter Duration property is not always updated [octave forge] (video): VideoWriter Duration property is not always updated
    2021-12-23 pantxo Attached File- Added bug61721.patch, #52562
        StatusNone Patch Submitted
    2021-12-23 pantxo Carbon-Copy- Added andy1978

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