Opacity slider of scene strip or image strip not reacting #52562

Closed
opened 2017-08-27 12:52:53 +02:00 by Titus Fehr · 5 comments

System Information
Operating system and graphics card
Win10 Home 64bit 16GB RAM
NVIDIA GeForce GT 630

Blender Version
Broken: blender 2.79-rc2-windows64 Hash: 7b397cd
Broken: blender 2.78

Short description of error

Exact steps for others to reproduce the error
In VideoEditing Interface:
Add Scene or Image Strip (sequence of images)
In N-panel hover over Opacity slider, press I for setting key with value = 1
go to other time, change opacity to value = 0, press I (hovering over op.slider)
go to other time, change opacity back to value = 1.
BUG => opacity value springs back to 0, can't get keyed at value 1 or in between 0 and 1.

Remark: Once a keyframe is set, it seems every value except 0 springs back to 0 if trying to change by dragging the slider.
Note: Setting different opacity keyframes (hovering over op.slider and pressing I) with SINGLE IMAGE or MOVIE works fine.

**System Information** Operating system and graphics card Win10 Home 64bit 16GB RAM NVIDIA GeForce GT 630 **Blender Version** Broken: blender 2.79-rc2-windows64 Hash: 7b397cd Broken: blender 2.78 **Short description of error** **Exact steps for others to reproduce the error** In VideoEditing Interface: Add Scene or Image Strip (sequence of images) In N-panel hover over Opacity slider, press I for setting key with value = 1 go to other time, change opacity to value = 0, press I (hovering over op.slider) go to other time, change opacity back to value = 1. BUG => opacity value springs back to 0, can't get keyed at value 1 or in between 0 and 1. Remark: Once a keyframe is set, it seems every value except 0 springs back to 0 if trying to change by dragging the slider. Note: Setting different opacity keyframes (hovering over op.slider and pressing I) with SINGLE IMAGE or MOVIE works fine.
Author

Changed status to: 'Open'

Changed status to: 'Open'
Author

Added subscriber: @TitusFehr-2

Added subscriber: @TitusFehr-2

Added subscriber: @mont29

Added subscriber: @mont29

Changed status from 'Open' to: 'Archived'

Changed status from 'Open' to: 'Archived'
Bastien Montagne self-assigned this 2017-08-28 14:23:50 +02:00

Thanks for the report, this is a known limitation of current code (due to existing, phasing out old dependency graph iirc). There is not much to be done, besides editing those curves in animation editor directly, for the time being. Such issues should not exist anymore with new depsgraph.

Thanks for the report, this is a known limitation of current code (due to existing, phasing out old dependency graph iirc). There is not much to be done, besides editing those curves in animation editor directly, for the time being. Such issues should not exist anymore with new depsgraph.
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Reference: blender/blender#52562
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