pulsemixer

node-pulsemixer

Nodejs wrapper for pulsemixer. Control system's audio through nodeJS.

Requirements (for pulsemixer)

• Python >= 3
• PulseAudio >= 1.0

Instalation

npm i pulsemixer

Basic Usage

const Pulsemixer = require('pulsemixer');
 
(async function () {
    const pulsemixer = new Pulsemixer(); 
 
    await pulsemixer.mute()
    await pulsemixer.unmute()
    const volume = await pulsemixer.getVolume();
    await pulsemixer.setVolume(25);
})();

API

Constructor

const pulsemixer = new Pulsemixer();

pulsemixer will be an interface for the default sink. In other words it will create an interface for the default audio card that is currently running.

const pulsemixer = new Pulsemixer(a_sink_id);

You can also pass a sink id to control a specific sound card or sound interface.

Instance methods

Method	Parameters	Returns	Description
mute	-	Promise:Void	Mutes system volume
unmute	-	Promise:Void	Unmutes system volume
toggleMute	-	Promise:Void	Toggle mute
getMute	-	Promise:Boolean	Gets current mute status
setVolume	{Number}	Promise:Void	Sets system volume
getVolume	-	Promise:Number	Get current system volume
changeVolume	{Number}	Promise:Void	Increase or decrease system volume by a number

Static methods

Method	Parameters	Returns	Description
getSinks	-	Promise:Array	Returns system's available sinks

const Pulsemixer = require('pulsemixer');
Pulsemixer.getSinks()
    .then(sinks => {
        /*
            An array of the available sound cards (sinks)
            Each sink has an `id` and `name`
            id can be used to instantiate a new Pulsemixer
        */
    })
    .catch(err => console.error('ERROR...', err));