Pass optional LocalTrack reference to processors (#1916)

.changeset/curly-hornets-give.md

@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Pass optional LocalTrack reference to processors

src/room/track/LocalAudioTrack.ts

@@ -185,6 +185,7 @@ export default class LocalAudioTrack extends LocalTrack<Track.Kind.Audio> {
         track: this._mediaStreamTrack,
         // RN won't have or use AudioContext
         audioContext: this.audioContext as AudioContext,
+        localTrack: this,
       };
       this.log.debug(`setting up audio processor ${processor.name}`, this.logContext);
 

src/room/track/LocalTrack.ts

@@ -194,6 +194,7 @@ export default abstract class LocalTrack<
         track: newTrack,
         kind: this.kind,
         element: this.processorElement,
+        localTrack: this,
       });
       processedTrack = this.processor.processedTrack;
     }
@@ -555,6 +556,7 @@ export default abstract class LocalTrack<
         track: this._mediaStreamTrack,
         element: processorElement,
         audioContext: this.audioContext,
+        localTrack: this,
       };
       await processor.init(processorOptions);
       this.log.debug('processor initialized', this.logContext);

src/room/track/processor/types.ts

@@ -1,4 +1,5 @@
 import type Room from '../../Room';
+import type LocalTrack from '../LocalTrack';
 import type { Track } from '../Track';
 
 /**
@@ -9,6 +10,7 @@ export type ProcessorOptions<T extends Track.Kind> = {
   track: MediaStreamTrack;
   element?: HTMLMediaElement;
   audioContext?: AudioContext;
+  localTrack?: LocalTrack;
 };
 
 export interface AudioProcessorOptions extends ProcessorOptions<Track.Kind.Audio> {