VSE keying opacity doesn't seem to stick. #38164

Closed
opened 2014-01-11 14:27:56 +01:00 by Terry Wallwork · 5 comments

System Information
Operating system and graphics card

Blender Version
Broken: (example: 2.69.7 4b206af, see splash screen)
Worked: (optional)

Short description of error

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps

I am using Blender 2.Git Rev '2014-01-09' b'19:35', hash b'18a1e17', b'Debug'

I noticed that the VSE, the Opacity slider on a scene strip when a key is set,
that if I then advance some frames and change the opacity slider value it instantly
goes back to it's key value. Even if i advance to a different frame and set a key
and then try to alter that value it doesn't work. I can after I have set a key
alter the value in the graph editor.

See attached blend file, the scene strip is selected (it just overlays text). Its
strip opacity value has been keyed. Then I move forward some frames and tried
to alter the opacity slider (from opacity slider (not the graph editor). It just wont
stick. I can drag on the opacity value it changes, but the second i let go
it snaps back to it original value. The similar sort of thing happens when keying
the eye visibility icon of opacity.

I don't use VSE often so I am not sure if this is normal so if it is apologies.

system-info.txt

VseKeyBug_.blend

**System Information** Operating system and graphics card **Blender Version** Broken: (example: 2.69.7 4b206af, see splash screen) Worked: (optional) **Short description of error** **Exact steps for others to reproduce the error** Based on a (as simple as possible) attached .blend file with minimum amount of steps I am using Blender 2.Git Rev '2014-01-09' b'19:35', hash b'18a1e17', b'Debug' I noticed that the VSE, the Opacity slider on a scene strip when a key is set, that if I then advance some frames and change the opacity slider value it instantly goes back to it's key value. Even if i advance to a different frame and set a key and then try to alter that value it doesn't work. I can after I have set a key alter the value in the graph editor. See attached blend file, the scene strip is selected (it just overlays text). Its strip opacity value has been keyed. Then I move forward some frames and tried to alter the opacity slider (from opacity slider (not the graph editor). It just wont stick. I can drag on the opacity value it changes, but the second i let go it snaps back to it original value. The similar sort of thing happens when keying the eye visibility icon of opacity. I don't use VSE often so I am not sure if this is normal so if it is apologies. [system-info.txt](https://archive.blender.org/developer/F66659/system-info.txt) [VseKeyBug_.blend](https://archive.blender.org/developer/F66660/VseKeyBug_.blend)
Author

Changed status to: 'Open'

Changed status to: 'Open'
Author

Added subscriber: @TerryWallwork-1

Added subscriber: @TerryWallwork-1
Author

Oops forgot to include the video file, with Blender, attached updated file

VSEOpacityBug_.zip

Oops forgot to include the video file, with Blender, attached updated file [VSEOpacityBug_.zip](https://archive.blender.org/developer/F66662/VSEOpacityBug_.zip)
Member

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Joshua Leung self-assigned this 2014-01-13 00:24:28 +01:00
Member

From the sounds of things, we have a similar bug report on the todo list, which can't really be fixed in the current architecture.

EDIT: Looks like it was #32890

From the sounds of things, we have a similar bug report on the todo list, which can't really be fixed in the current architecture. EDIT: Looks like it was #32890
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Reference: blender/blender#38164
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