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fix(overlay): deduplicate secondary subtitle rendering (#208)

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This commit is contained in:
sudacode
2026-08-18 00:44:02 -07:00
committed by GitHub
parent 7de73e16a1
commit e9778a945a
21 changed files with 749 additions and 71 deletions
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src/core/services/mpv-protocol.ts
+21 -1
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@@ -54,6 +54,8 @@ export interface MpvProtocolHandleMessageDeps {
emitSubtitleTiming: (payload: { text: string; start: number; end: number }) => void;
emitSecondarySubtitleChange: (payload: { text: string }) => void;
emitSubtitleTrackChange: (payload: { sid: number | null }) => void;
emitSecondarySubtitleTrackChange: (payload: { sid: number | null }) => void;
emitSecondarySubtitleDelayChange: (payload: { delay: number }) => void;
emitSubtitleTrackListChange: (payload: { trackList: unknown[] | null }) => void;
getCurrentSubText: () => string;
setCurrentSubText: (text: string) => void;
@@ -281,7 +283,25 @@ export async function dispatchMpvProtocolMessage(
: typeof msg.data === 'string'
? Number(msg.data)
: null;
deps.emitSubtitleTrackChange({ sid: sid !== null && Number.isFinite(sid) ? sid : null });
deps.emitSubtitleTrackChange({ sid: sid !== null && Number.isInteger(sid) ? sid : null });
} else if (msg.name === 'secondary-sid') {
const sid =
typeof msg.data === 'number'
? msg.data
: typeof msg.data === 'string'
? Number(msg.data)
: null;
deps.emitSecondarySubtitleTrackChange({
sid: sid !== null && Number.isInteger(sid) ? sid : null,
});
} else if (msg.name === 'secondary-sub-delay') {
const delay =
typeof msg.data === 'number'
? msg.data
: typeof msg.data === 'string'
? Number(msg.data)
: 0;
deps.emitSecondarySubtitleDelayChange({ delay: Number.isFinite(delay) ? delay : 0 });
} else if (msg.name === 'track-list') {
deps.emitSubtitleTrackListChange({
trackList: Array.isArray(msg.data) ? (msg.data as unknown[]) : null,