LMMS / LMMS/lmms

Lb302 does not reset state before/after export

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#7,234 13 comments 0 reactions 0 assignees View on GitHub
bug needs clarification
Dominant language
C++
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Avg merge
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Merged PRs (30d)
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Description

Lb302 does not reset it's state before/after an export. Therefore if you export a project twice the Lb302 tracks will differ in phase.

### Expected Behaviour

The exports should be identical.

### Steps To Reproduce

1. Decompress the attached file [7223-Lb302-Project.zip](https://github.com/LMMS/lmms/files/15152125/7223-Lb302-Project.zip).
2. Open the project.
3. Export the project into `First.wav`.
4. Export the project into `Second.wav`.
5. Compare the files in an audio editor.

Please also refer to the comments starting from here for more details: https://github.com/LMMS/lmms/pull/7230#issuecomment-2081367349

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reproducing the issue with 7223-Lb302-Project.zip: export the project twice to First.wav and Second.wav, then compare them in an audio editor. Trace the Lb302 state across the export path; done means repeated exports produce identical audio files.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
audio-video-rtc
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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