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Audio playback doesn't work when a VSE sound strip is copy/pasted to a new scene
Closed, ResolvedPublicBUG

Description

System Information
Operating system: Darwin-19.3.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 580 OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.5.5

Blender Version
Broken: version: 2.90.0 Alpha, branch: master, commit date: 2020-06-12 17:01, hash: rBfd8d245e6a80

Short description of error
Audio playback doesn't work when a VSE sound strip is copy/pasted to a new scene

Exact steps for others to reproduce the error

  • File > new > Video Editing
  • Add > Sound. Choose a .wav file. In the sequencer, confirm it's playing correctly by clicking play on the transport.
  • Select and copy the sound strip to the clipboard
  • Create a new scene.
  • Paste the strip into the VSE in the new scene.
  • Play the new scene. There's no audio.

Event Timeline

More information about the bug (and workaround):

Saving the blend file seems to correct the audio problem. You can hear the sound strip in the new scene after saving the file.

Richard Antalik (ISS) changed the task status from Needs Triage to Confirmed.Wed, Jun 24, 11:59 AM
Richard Antalik (ISS) triaged this task as High priority.
Richard Antalik (ISS) changed the subtype of this task from "Report" to "Bug".

Quick guess: pasting strip should tag depsgraph relations for update.

Quick guess: pasting strip should tag depsgraph relations for update.

Would be my guess as well, but it does. I think that I have messed something up like in T77669. Will have to check.