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Updated openvidu-live-captions

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This commit is contained in:
pabloFuente 2025-06-27 17:43:53 +02:00
parent af880945dc
commit 12b2c3720a
1 changed files with 21 additions and 19 deletions
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40
ai-services/openvidu-live-captions/src/app.js
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@ -57,28 +57,30 @@ async function joinRoom() {
}
);
room.registerTextStreamHandler("lk.transcription", async (reader, participantInfo) => {
const message = await reader.readAll();
const isFinal = reader.info.attributes["lk.transcription_final"] === "true";
room.registerTextStreamHandler("lk.transcription", async (reader, participantInfo) => {
const message = await reader.readAll();
const isFinal = reader.info.attributes["lk.transcription_final"] === "true";
const trackId = reader.info.attributes["lk.transcribed_track_id"];
if (isFinal) {
const audioTrackId = reader.info.attributes["lk.transcribed_track_id"];
// Due to a bug in LiveKit Server the participantInfo object may be empty.
// You can still get the participant owning the audio track like below:
const participant = [room.localParticipant]
.concat(Array.from(room.remoteParticipants.values()))
.find((p) => p.audioTrackPublications.has(audioTrackId));
const captionsTextarea = document.getElementById("captions");
const timestamp = new Date().toLocaleTimeString();
const participantIdentity =
participant == room.localParticipant ? "You" : participant.identity;
captionsTextarea.value += `[${timestamp}] ${participantIdentity}: ${message}\n`;
captionsTextarea.scrollTop = captionsTextarea.scrollHeight;
if (isFinal) {
// Due to a bug in LiveKit Server the participantInfo object may be empty.
// You can still get the participant owning the audio track like below:
let participant;
if (localParticipant.audioTrackPublications.has(trackId)) {
participant = room.localParticipant;
} else {
participant = room.remoteParticipants.values().find(p => p.audioTrackPublications.has(trackId));
}
const captionsTextarea = document.getElementById("captions");
const timestamp = new Date().toLocaleTimeString();
const participantIdentity =
participant == room.localParticipant ? "You" : participant.identity;
captionsTextarea.value += `[${timestamp}] ${participantIdentity}: ${message}\n`;
captionsTextarea.scrollTop = captionsTextarea.scrollHeight;
}
);
}
);
try {
// Get the room name and participant name from the form