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Maniphest T48843

Too many speed controlled videos kills the program.
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Description

System Information
Operating system and graphics card

Blender Version
Broken:
2.76b f337fea
(also broken on 2.71 version that I have now deleted)
Worked: Rendering out the sped up video in chunks. Well enough.

Short description of error
Using the video editor, adding speed control to the 11th track killed the program repeatedly.
The first time I had not saved it, so I had to redo the work. Once again at the 11th video, when I added speed control, it killed the program. I had saved it, and tried several more times with the same result. There is a total of about 400 minutes of video in the first 10, all sped up 64 times.

Exact steps for others to reproduce the error
Fresh file.
Go to video editor.

Drag video1.mov to sequencer
Add speed control set to 64 times multiplication.
Find last visible frame, move current frame there.

repeat with video2.mov - video11.mov.

on the 11th, when adding speed control, it dies when added, hot keys, or clicking the button.

Revisions and Commits

rB Blender
rBf2509e764e3b Fix T48843: Sequencer crash with many effects

Related Objects

Event Timeline

keith karnage (keithk) created this task.Jul 13 2016, 10:01 PM
Campbell Barton (campbellbarton) added a subscriber: Campbell Barton (campbellbarton).Jul 14 2016, 3:14 AM

Please include a test file setup to redo the crash (where adding a single speed strip crashes for example).

Campbell Barton (campbellbarton) lowered the priority of this task from 90 to 30.Jul 14 2016, 3:14 AM
Carlo Andreacchio (candreacchio) added a subscriber: Carlo Andreacchio (candreacchio).Jul 14 2016, 3:57 AM

Select top two strips. press shift d - crash

test.blend756 KBDownload

Campbell Barton (campbellbarton) raised the priority of this task from 30 to 50.Jul 14 2016, 1:54 PM
keith karnage (keithk) added a comment.Jul 14 2016, 3:21 PM

queenSt.blend560 KBDownload

This is the file I was using. I noticed I doubled up one of the videos, so it may have been the 12th that broke it.

keith karnage (keithk) added a comment.Jul 14 2016, 3:30 PM

I was poking it a little more, and found that other effects strips, added instead of a 12th speed control, also kill the program. I tried transform, wipe, and glow I think, as well as trying a 30 second video in place of the 12th (20 minutes) still kills the program. I tried deleting all the speed controls, then adding them back, without adjusting the multiplySpeed attribute, and it still killed it on the last one.

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Resolved by committing rBf2509e764e3b: Fix T48843: Sequencer crash with many effects.Jul 14 2016, 6:28 PM
Campbell Barton (campbellbarton) added a commit: rBf2509e764e3b: Fix T48843: Sequencer crash with many effects.