VoxaTrace/com.musicmuni.voxatrace.sonix/SonixMixerConfig

SonixMixerConfig

data class SonixMixerConfig(val loopCount: Int = 1, val onPlaybackComplete: () -> Unit? = null, val onLoopComplete: (loopIndex: Int) -> Unit? = null, val onError: (error: String) -> Unit? = null)

Configuration for SonixMixer.

What is SonixMixer?

A multi-track audio mixer that plays multiple audio files synchronized. Use it for:

Karaoke apps (backing track + vocal guide)
Practice apps (instrument tracks + drone)
Any scenario requiring independent volume control per track

When to Use

Scenario	Use This?	Why
Play multiple tracks together	Yes	Core use case
Karaoke with vocal muting	Yes	Fade vocal track
Single audio file playback	No	Use `SonixPlayer` (simpler)
Metronome click track	No	Use `SonixMetronome`

Usage Tiers

Tier 1: Presets (80% of users)

val mixer = SonixMixer.create()  // Uses DEFAULT
val mixer = SonixMixer.create(SonixMixerConfig.LOOPING)

Tier 2: Builder (15% of users)

val config = SonixMixerConfig.Builder()
    .preset(SonixMixerConfig.LOOPING)
    .loopCount(3)
    .onPlaybackComplete { println("Done!") }
    .build()
val mixer = SonixMixer.create(config)

Tier 3: .copy() (5% of users)

val config = SonixMixerConfig.LOOPING.copy(loopCount = 3)

Constructors

SonixMixerConfig

constructor(loopCount: Int = 1, onPlaybackComplete: () -> Unit? = null, onLoopComplete: (loopIndex: Int) -> Unit? = null, onError: (error: String) -> Unit? = null)