LMMS/lmms

Feature Request: Background Rendering

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#4,162 opened on Feb 9, 2018

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enhancementgood first issue

Description

It would be optimal to allow LMMS to render in the background and free up CPU for other programs, it can get rather annoying when LMMS is rendering something and I'm trying to type a message and my letters fall into the text box in chunks rather than one-by-one!

Contributor guide

Tech stack
cpp
Domain
performance
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
C++LMMS architecturemultithreading
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20
Research direction
Examine LMMS's rendering process in src/ to identify where the main thread is blocked. Consider using QThread or std::thread to move rendering to a background thread. Review any existing discussions in the issue comments for implementation ideas and potential pitfalls.
Feature Request: Background Rendering · LMMS/lmms#4162 | Good First Issue