[SDK] simplify public api (no lk processor, no encryption$ as obs)

sdk/src/media-backend/livekit/LivekitMediaTrack.test.ts

@@ -33,21 +33,20 @@ describe("createLivekitMediaTrack", () => {
   afterEach(() => scope.end());
 
   it("describes the publication", () => {
-    const { participant, publication, room } = fakes();
+    const { participant, publication } = fakes();
     const track = createLivekitMediaTrack(
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     );
     expect(track.kind).toBe("video");
     expect(track.source).toBe("camera");
     expect(track.id).toBe("TR_1");
-    expect(track.encrypted$.value).toBe(true);
+    expect(track.encrypted).toBe(true);
   });
 
   it("attaches elements to the track, even one that arrives later", () => {
-    const { participant, publication, room, emitter } = fakes({
+    const { participant, publication, emitter } = fakes({
       track: undefined,
     });
     const element = document.createElement("video");
@@ -55,7 +54,6 @@ describe("createLivekitMediaTrack", () => {
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     );
     track.attach(element);
     track.attach(element);
@@ -71,14 +69,13 @@ describe("createLivekitMediaTrack", () => {
   });
 
   it("detaches everything when its scope ends", () => {
-    const { participant, publication, room } = fakes();
+    const { participant, publication } = fakes();
     const element = document.createElement("video");
     const scope = new ObservableScope();
     const track = createLivekitMediaTrack(
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     );
     track.attach(element);
     scope.end();
@@ -86,12 +83,11 @@ describe("createLivekitMediaTrack", () => {
   });
 
   it("follows the mute state", () => {
-    const { participant, publication, room, emitter } = fakes();
+    const { participant, publication, emitter } = fakes();
     const track = createLivekitMediaTrack(
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     );
     expect(track.muted$.value).toBe(false);
     publication.isMuted = true;
@@ -100,28 +96,26 @@ describe("createLivekitMediaTrack", () => {
   });
 
   it("scales a remote member's volume on the participant", () => {
-    const { participant, publication, room } = fakes({
+    const { participant, publication } = fakes({
       kind: Track.Kind.Audio,
     });
     const track = createLivekitMediaTrack(
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     ) as AudioMediaTrack;
     track.setVolume(0.5);
     expect(publication.track!.setVolume).toHaveBeenCalledWith(0.5);
   });
 
   it("is active while the member speaks and the track is not muted", () => {
-    const { participant, publication, room, emitter } = fakes({
+    const { participant, publication, emitter } = fakes({
       kind: Track.Kind.Audio,
     });
     const track = createLivekitMediaTrack(
       scope,
       participant,
       publication as unknown as TrackPublication,
-      room,
     ) as AudioMediaTrack;
     expect(track.isActive$.value).toBe(false);
     participant.isSpeaking = true;

sdk/src/media-backend/livekit/LivekitMediaTrack.ts

@@ -8,7 +8,6 @@ Please see LICENSE in the repository root for full details.
 import {
   observeParticipantEvents,
   observeParticipantMedia,
-  roomEventSelector,
 } from "@livekit/components-core";
 import {
   facingModeFromLocalTrack,
@@ -20,7 +19,6 @@ import {
   RemoteAudioTrack,
   RemoteTrack,
   type Room as LivekitRoom,
-  RoomEvent,
   Track,
   TrackEvent,
   type TrackPublication,
@@ -81,7 +79,6 @@ export function createLivekitMediaTrack(
   scope: ObservableScope,
   participant: Participant,
   publication: TrackPublication,
-  room: LivekitRoom,
 ): AudioMediaTrack | VideoMediaTrack {
   const mediaChanged$ = observeParticipantMedia(participant);
   const track$ = publicationTrack$(scope, participant, publication);
@@ -118,13 +115,7 @@ export function createLivekitMediaTrack(
     kind: publication.kind === Track.Kind.Audio ? "audio" : "video",
     id: publication.trackSid,
     muted$,
-    encrypted$: scope.behavior(
-      merge(
-        mediaChanged$,
-        roomEventSelector(room, RoomEvent.ParticipantEncryptionStatusChanged),
-      ).pipe(map(() => publication.isEncrypted)),
-      publication.isEncrypted,
-    ),
+    encrypted: publication.isEncrypted,
     stats$: new LazyBehavior<MediaStreamStats>(
       refreshStats$.pipe(
         switchMap(async () => rtpStreamStats(publication, participant.isLocal)),
@@ -189,7 +180,7 @@ export function createLocalLivekitMediaTrack(
   room: LivekitRoom,
   setEnabled: (source: MediaSource, enabled: boolean) => Promise<boolean>,
 ): LocalAudioMediaTrack | LocalVideoMediaTrack {
-  const base = createLivekitMediaTrack(scope, participant, publication, room);
+  const base = createLivekitMediaTrack(scope, participant, publication);
   const local = {
     setEnabled: async (enabled: boolean) => setEnabled(base.source, enabled),
     setDevice: async (deviceId: string): Promise<void> => {

sdk/src/media-backend/livekit/LivekitMemberMedia.ts

@@ -54,8 +54,8 @@ export function createLivekitMemberMedia(
     tracks$: memberTracks$(
       scope,
       source$,
-      (trackScope, participant, publication, room) =>
-        createLivekitMediaTrack(trackScope, participant, publication, room),
+      (trackScope, participant, publication) =>
+        createLivekitMediaTrack(trackScope, participant, publication),
     ),
     encryptionError$: encryptionErrors$(source$, encryptionSystem),
   };