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Maniphest T79333

Some Blend mode opacity in VSE (Video Sequence Editor) cannot adjust opacity
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Description

System Information
Operating system: Windows 10
Graphics card: NVIDIA Geforce RTX 2060

Blender Version
Broken: v2.83.2 as found on the splash screen
Worked: it has never been worked, either in the previous version

Short description of error
Some Blend mode opacity in VSE (Video Sequence Editor) cannot adjust opacity

Exact steps for others to reproduce the error

  1. I gave a color strip above the video strip
  2. Then, activate "blend mode" on the color strip
  3. Some opacity modes cannot be adjusted, only "Multiply" works

For details, see the video link below:
https://drive.google.com/drive/folders/1e-uoF5e3nseWxL_C9HY2wpqQZqNdmlek?usp=sharing

Related Objects

Event Timeline

febby (febby) created this task.Jul 28 2020, 4:30 AM
Philipp Oeser (lichtwerk) merged a task: T79334: Some Blend mode opacity in VSE (Video Sequence Editor) cannot adjust opacity.Jul 28 2020, 9:50 AM
Philipp Oeser (lichtwerk) changed the task status from Needs Triage to Confirmed.Jul 28 2020, 10:56 AM
Philipp Oeser (lichtwerk) added projects: Video Sequencer, VFX & Video.
Philipp Oeser (lichtwerk) changed the subtype of this task from "Report" to "Bug".
Philipp Oeser (lichtwerk) added a subscriber: Philipp Oeser (lichtwerk).

Can confirm.

T75844, D7863, T76376, D7314 are related.

To me, this looks like a duplicate of T76376: VSE Opacity Not Working With Certain Blend Types or T74440: Video Sequencer: The Blend Factor in Color Mix strips is broken..
But I guess it can also be boiled down to T75844: Blend modes are broken (at least partially doing what D7863 does -- considering src2 for the factor -- seems to fix this)

Philipp Oeser (lichtwerk) mentioned this in T74440: Video Sequencer: The Blend Factor in Color Mix strips is broken..Jul 28 2020, 10:59 AM

Will merge into T75844: Blend modes are broken

Philipp Oeser (lichtwerk) closed this task as a duplicate of T75844: Blend modes are broken.Jul 28 2020, 11:00 AM
Philipp Oeser (lichtwerk) mentioned this in T75844: Blend modes are broken.Jul 28 2020, 11:05 AM
Philipp Oeser (lichtwerk) mentioned this in T86367: VSE: Color in Overlay does not fade.Mar 8 2021, 11:44 PM
dono dono (dono) added a subscriber: dono dono (dono).Dec 13 2021, 11:27 AM

Hello ! Thanks for wonderful blender 3.0, it is amazing. :)

Sadly, there is the same problem in blender 3.0 in fusion mode "screen". Thanks !