LMMS / LMMS/lmms

[Enhancement] Implement plugin delay compensation

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enhancement
Dominant language
C++
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Some effect plugins have a little delay (for example pitch effects).
See: https://github.com/LMMS/lmms/issues/4494
Currently in LMMS the instruments with that effects added play a little delayed, so not matching into the rest of the song anymore.

Possible solution:
Ardour calculates effect delays and plays the tracks / instruments a little sooner based on their effects delay, so that they still fit into the song. LMMS could do the same.

Contributor guide

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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

The issue names no LMMS files, tests, or entry points; start by locating effect-plugin processing and how track timing is scheduled. Compare the delay-handling approach described for Ardour, then verify that instruments with delayed effects remain aligned with the rest of a song.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
audio-video-rtc
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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