chore: update dependencies and refactor config plugin imports (#993)

utils/trickplay.ts

@@ -0,0 +1,65 @@
+import type { BaseItemDto } from "@jellyfin/sdk/lib/generated-client";
+import { apiAtom } from "@/providers/JellyfinProvider";
+import { store } from "@/utils/store";
+import { ticksToMs } from "@/utils/time";
+
+export interface TrickplayInfo {
+  resolution: string;
+  aspectRatio: number;
+  data: any;
+  totalImageSheets: number;
+}
+
+/**
+ * Parses the trickplay metadata from a BaseItemDto.
+ * @param item The Jellyfin media item.
+ * @returns Parsed trickplay information or null if not available.
+ */
+export const getTrickplayInfo = (item: BaseItemDto): TrickplayInfo | null => {
+  if (!item.Id || !item.Trickplay) return null;
+
+  const mediaSourceId = item.Id;
+  const trickplayDataForSource = item.Trickplay[mediaSourceId];
+
+  if (!trickplayDataForSource) {
+    return null;
+  }
+
+  const firstResolution = Object.keys(trickplayDataForSource)[0];
+  if (!firstResolution) {
+    return null;
+  }
+
+  const data = trickplayDataForSource[firstResolution];
+  const { Interval, TileWidth, TileHeight, Width, Height } = data;
+
+  if (
+    !Interval ||
+    !TileWidth ||
+    !TileHeight ||
+    !Width ||
+    !Height ||
+    !item.RunTimeTicks
+  ) {
+    return null;
+  }
+
+  const tilesPerSheet = TileWidth * TileHeight;
+  const totalTiles = Math.ceil(ticksToMs(item.RunTimeTicks) / Interval);
+  const totalImageSheets = Math.ceil(totalTiles / tilesPerSheet);
+
+  return {
+    resolution: firstResolution,
+    aspectRatio: Width / Height,
+    data,
+    totalImageSheets,
+  };
+};
+
+/** Generates a trickplay URL based on the item, resolution, and sheet index. */
+export const generateTrickplayUrl = (item: BaseItemDto, sheetIndex: number) => {
+  const api = store.get(apiAtom);
+  const resolution = getTrickplayInfo(item)?.resolution;
+  if (!resolution || !api) return null;
+  return `${api.basePath}/Videos/${item.Id}/Trickplay/${resolution}/${sheetIndex}.jpg?api_key=${api.accessToken}`;
+};