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VSE: issue moving strips with changed speed factor #103656

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opened 2023-01-05 11:52:09 +01:00 by Hjalti Hjálmarsson · 5 comments
Hjalti Hjálmarsson commented 2023-01-05 11:52:09 +01:00
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System Information
Operating system: Linux-5.18.10-76051810-generic-x86_64-with-glibc2.34 64 Bits
Graphics card: AMD Radeon Vega Frontier Edition (VEGA10, DRM 3.46.0, 5.18.10-76051810-generic, LLVM 12.0.1) AMD 4.6 (Core Profile) Mesa 21.3.5

Blender Version
Broken: version: 3.5.0 Alpha, branch: master, commit date: 2022-12-12 17:15, hash: 54aec4629e
Worked: (newest version of Blender that worked as expected)

Short description of error
In the Video Sequence Editor, when moving strips that have the speed factor different than default 1.0 the strips seem to glitch so the start and end of each strip fluctuates.

Exact steps for others to reproduce the error
New file
Go to VSE
Add a movie strip
Use "K" to cut the movie strip a few times (so you have maybe 10-15 strips)
Select a strip, go to the Time panel and change the speed factor to 1.5
One by one, do the same with all the strips (perhaps giving them various values between 1.1 and 1.5)
Move each strip up against each other, so there's no dead space between
Select all of them and move them around...
{F14115112}you will see the length of each strip fluctuates

**System Information** Operating system: Linux-5.18.10-76051810-generic-x86_64-with-glibc2.34 64 Bits Graphics card: AMD Radeon Vega Frontier Edition (VEGA10, DRM 3.46.0, 5.18.10-76051810-generic, LLVM 12.0.1) AMD 4.6 (Core Profile) Mesa 21.3.5 **Blender Version** Broken: version: 3.5.0 Alpha, branch: master, commit date: 2022-12-12 17:15, hash: `54aec4629e` Worked: (newest version of Blender that worked as expected) **Short description of error** In the Video Sequence Editor, when moving strips that have the speed factor different than default 1.0 the strips seem to glitch so the start and end of each strip fluctuates. **Exact steps for others to reproduce the error** New file Go to VSE Add a movie strip Use "K" to cut the movie strip a few times (so you have maybe 10-15 strips) Select a strip, go to the Time panel and change the speed factor to 1.5 One by one, do the same with all the strips (perhaps giving them various values between 1.1 and 1.5) Move each strip up against each other, so there's no dead space between Select all of them and move them around... {[F14115112](https://archive.blender.org/developer/F14115112/vse_speedup_movement_glitch.mp4)}you will see the length of each strip fluctuates
Hjalti Hjálmarsson commented 2023-01-05 11:52:09 +01:00
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Added subscriber: @Hjalti

Added subscriber: @Hjalti
Pratik Borhade commented 2023-01-06 05:26:35 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Pratik Borhade commented 2023-01-06 05:26:35 +01:00
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Added subscribers: @PratikPB2123, @iss

Added subscribers: @PratikPB2123, @iss
Richard Antalik commented 2023-01-06 12:44:41 +01:00
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For now I can use double precision instead of float. Retiming tool does not have this issue, but that can be done in 3.6 only.

For now I can use double precision instead of float. Retiming tool does not have this issue, but that can be done in 3.6 only.
Philipp Oeser removed the
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 label 2023-02-10 09:31:28 +01:00
Sergey Sharybin added
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 labels 2023-02-15 12:45:33 +01:00
Aras Pranckevicius commented 2024-07-21 10:18:55 +02:00
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Given that "speed factor" thing has been replaced with retiming functionality, and according to Richard the retiming thing does not have the issue, can this be closed?

Given that "speed factor" thing has been replaced with retiming functionality, and according to Richard the retiming thing does not have the issue, can this be closed?
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Reference: blender/blender#103656
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