SolarLiner/interflow

Null audio backend

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#39 opened on Mar 17, 2025

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apifeaturegood first issue

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Description

Provide a dummy audio backend that syncs to the system high-resolution clock but otherwise does not require any drivers present. This will be used as a last-resort when the running machine has no audio hardware and software at all.

Note that this is different from #38, the Null backend is not synced at all and can run as fast as possible. It can also use existing audio data for inputs and write to output buffers.

EDIT: Renamed Dummy to Null (confusingly) because I think that's a better name and is the name I ended up using in #111.

Contributor guide

Research direction
Implement a Null audio backend that uses the system's high resolution clock for timing. Study the existing audio backend traits and provide a minimal implementation that accepts no input and produces silent output, but accurately reports timing based on the clock. Start by creating a new module, register it with the backend selection logic, and ensure it handles all necessary operations (open, close, read, write) with proper error handling.
Tech stack
rust
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70