Lotus CIandClaude Opus 5
ea579cb998
"Mute Screenshare Audio" (io.lotus.set_deafen screenshareAudioMuted) used RemoteParticipant.setVolume(0, ScreenShareAudio). EC's own createVolumeControls writes volume 1 through the same setter the moment a new screenshare media item resolves, so when the sharer stopped and re-shared (or a late joiner shared) the audio came back at full volume while the host button still said "Unmute Screenshare Audio". Reproduced on the local calls stack with two headless clients: after a re-share the screen_share_audio element read vol=1. Now the flag is a global behavior (muteScreenshareAudio$) that LivekitRoomAudioRenderer turns into the `muted` prop of every Track.Source.ScreenShareAudio element — the exact mechanism deafen already uses (pub.setEnabled(false): the server stops sending). Verified via the RemoteTrackPublication behind each <audio>: the re-published track (new sid) mounts with enabled=false while muted and re-enables on unmute; deafen + undeafen leaves it muted; teardown resets the flag so the next call starts clean. Unit tests updated; renderer test asserts only ScreenShareAudio elements get muted by the new prop. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA
28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
/*
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Copyright 2026 Lotus Guild
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { BehaviorSubject } from "rxjs";
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import { globalScope } from "../state/ObservableScope";
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/**
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* Whether the host has muted remote screenshare AUDIO (`io.lotus.set_deafen`
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* `screenshareAudioMuted`). Consumed by `LivekitRoomAudioRenderer` exactly the
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* way `muteAllAudio$` is: it becomes the `muted` prop of every
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* `Track.Source.ScreenShareAudio` element, so it survives re-renders, applies
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* to tracks that are published LATER (a sharer stopping and re-sharing, a late
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* joiner) and never fights EC's per-tile volume controls — which was the
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* failure mode of the old `RemoteParticipant.setVolume(0, ScreenShareAudio)`
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* approach: `createVolumeControls` writes its own volume (1) through the same
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* sink the moment a new screenshare media item appears, un-muting it.
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*/
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export const setScreenshareAudioMuted$ = new BehaviorSubject(false);
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export const muteScreenshareAudio$ = globalScope.behavior(
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setScreenshareAudioMuted$,
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);
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