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Video sequencer stereoscopic strips produce garbage results
Confirmed, HighPublicBUG

Description

System Information
Operating system: Linux-4.4.0-144-generic-x86_64-with-debian-jessie-sid 64 Bits
Graphics card: GeForce GTX 1070 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 384.183

Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: (optional)

Short description of error
Any type of stereoscopic movie or image strips produces garbage results in the viewer in every stereo view mode. This seems to work in 2.79 but broken in all 2.80, 2.81 and 2.82.

EDIT: just noticed that this issue goes away if the scene resolution matches the input clip's resolution (1280x720 in this case). In 2.79 all non-matching resolutions work too.

Exact steps for others to reproduce the error

  1. enable scene stereoscopy
  2. add the attached top-bottom movie to sequencer and set the strip's source parameters as in the attached image
  3. marvel the results in the preview viewer

Tnx'n'cheers!

Event Timeline

Dalai Felinto (dfelinto) lowered the priority of this task from 90 to 30.Nov 14 2019, 3:24 PM

Please attach a simple small sample file, and a 2.79 .blend where I can see that things work, and open in 2.81 (from daily builds in builder.blender.org) where things fail.

Hi Dalai,

I noticed a bit of different behaviour between all 2.79, 2.80 and 2.81 so here are 3 .blends made with each version... and also this table how they behave when opened in other versions.

Create scene in:Sequencer PreviewRender ImageRender Animation
2.79OKOKOK
2.80BADBADBAD
2.81OKBADBAD
Open made_with_279.blend in:Sequencer PreviewRender ImageRender Animation
2.79OKOKOK
2.80OKBADBAD
2.81OKBADBAD
Open made_with_280.blend in:Sequencer PreviewRender ImageRender Animation
2.80BADBADBAD
2.81BADBADBAD
Open made_with_281.blend in:Sequencer PreviewRender ImageRender Animation
2.80OKBADBAD
2.81OKBADBAD

...and the file:

Cheers!

Dalai Felinto (dfelinto) raised the priority of this task from 30 to 90.Nov 26 2019, 11:17 PM
Richard Antalik (ISS) lowered the priority of this task from 90 to High.Dec 2 2019, 1:11 AM

This crashes in my case, but I can see where the issue is.