pqrs-org/Karabiner-Elements

Bluetooth headset controls (pause/play) are not detected by Karabiner

Open

#2398 opened on Aug 18, 2020

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bughelp wanted

Description

I'd like to customize the tap actions on my Sony Bluetooth wireless headphones. Specifically the "double-tap" play/pause control. However, that action isn't detected by Karabiner.

Contributor guide

Tech stack
cpp
Domain
desktop
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
5
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
over 1 week
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.
needs investigation
Prerequisites
C++macOS IOKitKarabiner internals
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
15
Research direction
Investigate how Karabiner Elements captures key events and identify why Bluetooth headset media controls are not captured. Check the event tap and IOKit handling code in the Karabiner Elements source (likely in the 'src' directory). Review existing comments in issue #2398 for attempted solutions. Consider implementing support for Bluetooth HID profile.