Fixes (#18304)

* fix recordings check

* Only calculate inpoint offset for beginning of hour segment

* Cleanup

* Fix seeking

* add Czech

* explore i18n fix

---------

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

web/src/components/player/dynamic/DynamicVideoPlayer.tsx

@@ -13,6 +13,7 @@ import { VideoResolutionType } from "@/types/live";
 import axios from "axios";
 import { cn } from "@/lib/utils";
 import { useTranslation } from "react-i18next";
+import { calculateInpointOffset } from "@/utils/videoUtil";
 
 /**
  * Dynamically switches between video playback and scrubbing preview player.
@@ -197,18 +198,10 @@ export default function DynamicVideoPlayer({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [controller, recordings]);
 
-  /** the HLS endpoint returns the vod segments with the first
-   * segment of the hour trimmed, meaning it will start at
-   * the beginning of the hour, cutting off any difference
-   * that the segment has.
-   */
-  const inpointOffset = useMemo(() => {
-    if (!recordingParams || !recordings) {
-      return 0;
-    }
-
-    return recordingParams.after - recordings[0].start_time;
-  }, [recordingParams, recordings]);
+  const inpointOffset = useMemo(
+    () => calculateInpointOffset(recordingParams.after, (recordings || [])[0]),
+    [recordingParams, recordings],
+  );
 
   return (
     <>