Class ContextManager

Manages the Web Audio API AudioContext lifecycle. Handles context creation, master gain, and suspend/resume.

Index

Constructors

Methods

ensureContext getContext getMasterGain getMasterVolume setMasterVolume initAudio resumeContext suspendContext isReady getCurrentTime disconnectMasterFromDestination connectMasterTo destroy

Constructors

constructor

new ContextManager(logger: Logger): ContextManager
Parameters
- logger: Logger
Returns ContextManager
- Defined in core/context-manager.ts:12

Methods

ensureContext

ensureContext(): AudioContext
Gets or creates the AudioContext. Creates the master gain node on first call.

Returns AudioContext
- Defined in core/context-manager.ts:18

getContext

getContext(): AudioContext | null
Gets the current AudioContext, or null if not created.

Returns AudioContext | null
- Defined in core/context-manager.ts:32

getMasterGain

getMasterGain(): GainNode | null
Gets the master gain node, or null if context not created.

Returns GainNode | null
- Defined in core/context-manager.ts:39

getMasterVolume

getMasterVolume(): number
Gets the current master volume level.

Returns number
- Defined in core/context-manager.ts:46

setMasterVolume

setMasterVolume(volume: number): void
Sets the master volume that affects all audio output.
Parameters
- volume: number
Returns void
- Defined in core/context-manager.ts:53

initAudio

initAudio(): Promise<void>
Initializes the AudioContext and resumes it if suspended.

Returns Promise<void>
- Defined in core/context-manager.ts:64

resumeContext

resumeContext(): Promise<void>
Resumes a suspended AudioContext.

Returns Promise<void>
- Defined in core/context-manager.ts:75

suspendContext

suspendContext(): Promise<void>
Suspends the AudioContext to save resources.

Returns Promise<void>
- Defined in core/context-manager.ts:88

isReady

isReady(): boolean
Checks if the AudioContext is initialized and running.

Returns boolean
- Defined in core/context-manager.ts:98

getCurrentTime

getCurrentTime(): number
Gets the current time from the AudioContext.

Returns number
- Defined in core/context-manager.ts:105

disconnectMasterFromDestination

disconnectMasterFromDestination(): void
Disconnects the master gain from destination. Used when setting up effects bus routing.

Returns void
- Defined in core/context-manager.ts:113

connectMasterTo

connectMasterTo(target: AudioNode): void
Connects the master gain to a target node.
Parameters
- target: AudioNode
Returns void
- Defined in core/context-manager.ts:122

destroy

destroy(): void
Destroys the context manager and releases resources.

Returns void
- Defined in core/context-manager.ts:131