Expo Module API

The API is defined in packages/expo-module/src/AudioEngineModule.types.ts.

Core

• initialize(config: AudioEngineConfig): Promise<void>
• release(): Promise<void>
• loadTracks(tracks: AudioTrack[]): Promise<void>
• unloadTrack(trackId: string): Promise<void>
• unloadAllTracks(): Promise<void>
• getLoadedTracks(): AudioTrack[]

Playback

• play(): void
• pause(): void
• stop(): void
• seek(positionMs: number): void
• isPlaying(): boolean
• getCurrentPosition(): number
• getDuration(): number

Track Controls

• setTrackVolume(trackId: string, volume: number): void
• setTrackMuted(trackId: string, muted: boolean): void
• setTrackSolo(trackId: string, solo: boolean): void
• setTrackPan(trackId: string, pan: number): void
• setTrackPitch(trackId: string, semitones: number): void
• getTrackPitch(trackId: string): number
• setTrackSpeed(trackId: string, rate: number): void
• getTrackSpeed(trackId: string): number

Master Controls

• setMasterVolume(volume: number): void
• getMasterVolume(): number
• setPitch(semitones: number): void
• getPitch(): number
• setSpeed(rate: number): void
• getSpeed(): number
• setTempoAndPitch(tempo: number, pitch: number): void

Recording

• startRecording(config?: RecordingConfig): Promise<void>
• stopRecording(): Promise<RecordingResult>
• isRecording(): boolean
• setRecordingVolume(volume: number): void

Extraction

• extractTrack(trackId: string, config?: ExtractionConfig): Promise<ExtractionResult>
• extractAllTracks(config?: ExtractionConfig): Promise<ExtractionResult[]>
• cancelExtraction(jobId?: number): boolean

Meters

• getInputLevel(): number
• getOutputLevel(): number
• getTrackLevel(trackId: string): number

Background Playback (Planned)

• enableBackgroundPlayback(metadata: MediaMetadata): Promise<void>
• updateNowPlayingInfo(metadata: Partial<MediaMetadata>): void
• disableBackgroundPlayback(): Promise<void>