LMMS / LMMS/lmms

When CPU is full, sound/voice lost

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bug
Dominant language
C++
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Description

win7, LMMS version is 1.2.2 (win32/x86_64, Qt 5.4.2, GCC 4.9.4 20150716 (prerelease))
also happened in version lmms-1.3.0-alpha.1.102+g89fc6c960
VST plugin: DSK AkoustiK KeyZ and DSK The Grand.

I created an project, when playing the music and CPU goes to FULL, the voice get choke and mute (lost the sound, no sound output)

![2022-11-29_194130](https://user-images.githubusercontent.com/29390989/204522349-d4a9aa92-f72f-40a9-9bbe-f3d35728a775.jpg)

![2022-11-29_194747](https://user-images.githubusercontent.com/29390989/204522639-169a5e02-a45f-46d0-bba5-37bf7c85b35a.jpg)

![2022-11-29_195726](https://user-images.githubusercontent.com/29390989/204523113-9d5a089c-6a3b-42ea-8b0d-cbac6d7c60e2.jpg)

please don't tell me to change my laptop :(

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the report on Windows 7 with LMMS 1.2.2 or 1.3.0-alpha and the named DSK VST plugins while CPU usage is full. The issue names no source file, test, or entry point; done means determining the cause and preventing audio loss under the reported load.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
audio-video-rtc, desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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