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adnan wahab
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Oct 22, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| <!-- web-ui/my-app/src/llama-tools/livekit_audio.html --> | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <title>Audio Capture with LiveKit</title> | ||
| </head> | ||
| <body> | ||
| <h1>Audio Capture with LiveKit</h1> | ||
| <button id="startButton">Start Capture</button> | ||
| <button id="stopButton" disabled>Stop Capture</button> | ||
| <audio id="audioElm" controls></audio> | ||
| <script type="module"> | ||
| import { | ||
| Room, | ||
| RemoteParticipant, | ||
| RoomEvent, | ||
| } from "https://unpkg.com/livekit-client@latest/dist/livekit-client.esm.mjs?module"; | ||
| const LiveKit = { | ||
| Room, | ||
| RemoteParticipant, | ||
| RoomEvent, | ||
| } | ||
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| const startButton = document.getElementById('startButton'); | ||
| const stopButton = document.getElementById('stopButton'); | ||
| console.log('startButton', startButton) | ||
| let room; | ||
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| async function postLivekitConnect() { | ||
| const response = await fetch('/livekit_connect', { | ||
| method: 'POST', | ||
| headers: { | ||
| 'Content-Type': 'application/json', | ||
| }, | ||
| body: JSON.stringify({ identity: 'screenshare-view-all' }), | ||
| }); | ||
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| if (!response.ok) { | ||
| console.error('Failed to connect to Livekit:', response.statusText); | ||
| return; | ||
| } | ||
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| const data = await response.json(); | ||
| //console.log('Connected to Livekit:', data); | ||
| return data | ||
| } | ||
| const liveKit_data = await postLivekitConnect(); | ||
| room = new LiveKit.Room() | ||
| room | ||
| .on(RoomEvent.TrackSubscribed, handleTrackSubscribed) | ||
| .on(RoomEvent.TrackUnsubscribed, handleTrackUnsubscribed) | ||
| .on(RoomEvent.ActiveSpeakersChanged, handleActiveSpeakerChange) | ||
| .on(RoomEvent.Disconnected, handleDisconnect) | ||
| .on(RoomEvent.LocalTrackUnpublished, handleLocalTrackUnpublished); | ||
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| // connect to room | ||
| await room.prepareConnection(liveKit_data.wsUrl, liveKit_data.token); | ||
| await room.connect(liveKit_data.wsUrl, liveKit_data.token); | ||
| console.log('connected to room', room.name); | ||
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| // publish local camera and mic tracks | ||
| await room.localParticipant.enableCameraAndMicrophone(); | ||
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| room .on(RoomEvent.LocalTrackPublished, (pub) => { | ||
| console.log('local track published', pub); | ||
| }) | ||
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| startButton.addEventListener('click', () => { | ||
| const micPub = participant.getTrackPublication(Track.Source.Microphone); | ||
| audioELm.onloadeddata = () => { | ||
| if (participant.joinedAt && participant.joinedAt.getTime() < startTime) { | ||
| const fromJoin = Date.now() - startTime; | ||
| appendLog(`RemoteAudioTrack ${micPub?.trackSid} played ${fromJoin}ms from start`); | ||
| } | ||
| }; | ||
| micPub?.audioTrack?.attach(audioElm); | ||
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| //visual proof | ||
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| }) | ||
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| function handleTrackSubscribed( | ||
| track, | ||
| publication, | ||
| participant, | ||
| ) { | ||
| if (track.kind === Track.Kind.Video || track.kind === Track.Kind.Audio) { | ||
| // attach it to a new HTMLVideoElement or HTMLAudioElement | ||
| const element = track.attach(); | ||
| parentElement.appendChild(element); | ||
| } | ||
| } | ||
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| function handleTrackUnsubscribed( | ||
| track, | ||
| publication, | ||
| participant, | ||
| ) { | ||
| // remove tracks from all attached elements | ||
| track.detach(); | ||
| } | ||
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| function handleLocalTrackUnpublished( | ||
| publication, | ||
| participant, | ||
| ) { | ||
| // when local tracks are ended, update UI to remove them from rendering | ||
| publication.track.detach(); | ||
| } | ||
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| function handleActiveSpeakerChange(speakers) { | ||
| // show UI indicators when participant is speaking | ||
| } | ||
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| function handleDisconnect() { | ||
| console.log('disconnected from room'); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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