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81 lines
2.3 KiB
TypeScript
81 lines
2.3 KiB
TypeScript
/**
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* SyncPlay — public types and tuning constants.
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*
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* Re-exports the SDK types we use, defines the small RN-specific
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* extensions (PlayerControls, OSD actions), and centralises the magic
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* numbers that govern sync behaviour.
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*/
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import type { BaseItemDto } from "@jellyfin/sdk/lib/generated-client";
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// SDK type re-exports — kept narrow on purpose, only what callers
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// actually reach for.
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export type {
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GroupInfoDto,
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GroupQueueMode,
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GroupRepeatMode,
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GroupShuffleMode,
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GroupStateType,
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GroupUpdate,
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PlayQueueUpdate,
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PlayQueueUpdateReason,
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SendCommand,
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SendCommandType,
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SyncPlayQueueItem,
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SyncPlayUserAccessType,
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} from "@jellyfin/sdk/lib/generated-client/models";
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/** Jellyfin's tick unit. 1ms = 10000 ticks. */
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export const TicksPerMillisecond = 10000;
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/**
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* Player controls SyncPlay drives. The provider wires this up against
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* the active RN player (mpv / VLC / expo-video).
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*/
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export interface PlayerControls {
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play: () => void;
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pause: () => void;
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/** Seek to absolute position in milliseconds. */
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seekTo: (positionMs: number) => void;
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setSpeed: (speed: number) => void;
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getSpeed: () => number;
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/** Current position in milliseconds. */
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getCurrentPosition: () => number;
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isPlaying: () => boolean;
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isBuffering: () => boolean;
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}
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/** OSD action types — drive optional player-overlay feedback. */
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export type SyncPlayOsdAction =
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| "unpause"
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| "pause"
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| "seek"
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| "buffering"
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| "wait-pause"
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| "wait-unpause";
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/**
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* Tuning constants. These mirror jellyfin-web's defaults; tweak with
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* care — they affect perceived sync quality across all clients.
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*/
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export const SYNC_PLAY_TUNING = {
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/** Drift threshold (ms) above which we hard-seek to catch up. */
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minDelaySkipToSync: 400,
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/** Drift beyond this (ms) is always corrected by seeking. */
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maxDelaySync: 3000,
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/** Don't escalate buffering to the group for blips shorter than this (ms). */
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minBufferingThresholdMs: 3000,
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/** Player-attach drift (ms) above which we reconcile to group position. */
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positionReconcileThresholdMs: 500,
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/** Safety timeout (ms) for in-flight Pause/Unpause optimistic UI. */
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pendingPlaybackTimeoutMs: 1500,
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} as const;
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/** Options accepted by `Controller.play`. */
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export interface PlayOptions {
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ids?: string[];
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items?: BaseItemDto[];
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startIndex?: number;
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startPositionTicks?: number;
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}
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