[ie/hotstar] Fix metadata extraction (#13560)

Closes #7946
Authored by: bashonly

yt_dlp/extractor/hotstar.py

@@ -232,10 +232,15 @@ class HotStarIE(HotStarBaseIE):
         video_type = self._TYPE.get(video_type, video_type)
         cookies = self._get_cookies(url)  # Cookies before any request
 
+        # tas=10000 can cause HTTP Error 504, see https://github.com/yt-dlp/yt-dlp/issues/7946
+        for tas in (10000, 0):
+            query = {'tas': tas, 'contentId': video_id}
             video_data = traverse_obj(
-            self._call_api_v1(
+                self._call_api_v1(f'{video_type}/detail', video_id, fatal=False, query=query),
-                f'{video_type}/detail', video_id, fatal=False, query={'tas': 10000, 'contentId': video_id}),
                 ('body', 'results', 'item', {dict})) or {}
+            if video_data:
+                break
+
         if not self.get_param('allow_unplayable_formats') and video_data.get('drmProtected'):
             self.report_drm(video_id)