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Fix host stream freeze when a guest joins an in-progress party #26

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kyuno merged 1 commit from fix/guest-join-freezes-host-stream into master 2026-09-23 20:34:13 +02:00
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1 changed files with 14 additions and 1 deletions
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15
client/src/views/player/Player.ts
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@ -1260,7 +1260,20 @@ function renderVideoPlayer(root: HTMLElement, partyId: string, party: PartyPubli
loadMarkers(party.itemId); // not awaited - see onItemChanged's own comment
await loadTrackOptions(party.itemId);
loadVideo(party.itemId, 0, false);
// Unlike onItemChanged's own loadVideo(..., 0, ...) - genuinely correct
// there since a fresh item has no position yet - mounting mid-party
// (a joining guest, or the host's own page reload) must NOT hardcode 0:
// the party's shared Emby transcode (PartyStreamService) is keyed by
// partyId alone, one PlaySessionId for every member, so a hls.js
// instance requesting segments from 0 against a session that already
// progressed well past that forces Emby to seek/restart the shared
// transcode - stalling it for every other member, host included, right
// as the newcomer joins. Seeding from the host's last-reported position
// (already in party.members, sent to every mount) lands the first
// segment request near where the shared session already is instead.
const hostMember = party.members.find((m) => m.isHost);
const initialResumeSeconds = hostMember ? hostMember.positionTicks / TICKS_PER_SECOND : 0;
loadVideo(party.itemId, initialResumeSeconds, false);
conn = connectParty(partyId, {
onMembers: renderMembers,