Function startMetadataExtractorService

startMetadataExtractorService<Meta, O>(callback, options?): (() => void)
Service side of the API: Starts the worker service to receive incoming newly created transformers and extract metadata from processed frames.

See module description for detailed instructions.
Type Parameters
- Meta = unknown
- O = unknown
Parameters
- callback: RtpScriptTransformServiceCallback<O, ExtractionFunction<Meta>>
  
  callback to invoke when a transformer is received by this worker. the callback should return an 'extraction function'.
- options: StartRtpScriptTransformServiceOptions = {}
  
  service options
Returns (() => void)
Callback to stop / deregister the service.
- - (): void
  - Returns void
- Defined in lib/sync/RtpScriptTransform.ts:392

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