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[Bug 722285] Re: timeline only shows 320 times the zoom slider setting

 

I've had a look at this patch, and while it does fix the limitation, it
breaks another aspect of the timeline scroll behaviour. Normally when
the timeline is longer than what is visible, the timeline 'auto' scrolls
while playing, so that the playhead stays in the center of the timeline.
This seems to be broken with this patch, the playhead disappears to the
right.

If I get a chance I'll try and take a look at working out why. But I
don't want to apply the patch while it breaks something else.

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https://bugs.launchpad.net/bugs/722285

Title:
  timeline only shows 320 times the zoom slider setting

Status in libcairo  -  cairo vector graphics library:
  Confirmed
Status in OpenShot Video Editor:
  Confirmed

Bug description:
  The timeline only shows the first (320*zoom seeting) seconds of a project.
  So if the zoom slider setting is set to 1 s, the timeline stops at 5'20'' (=320'')
  if it set to 2 s, it stops at 10'40'' (=640''), 4 s it stops at 21'20'' (=1280''), etc.

  How to reproduce:
  -launch OpenShot and create a new project of 60 min
  -with the default 8 s zoom setting you can only move the timeline up to 42'40'' (=2560 = 320*8)
  -try zooming in and see the timeline shorten as you zoom more

  1. Ubuntu 10.10 x64
  2. PPA installation
  3. OpenShot 1.3.0

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