From 8f303afb43395be360cafd7ad4ce2b6e2eedfb8a Mon Sep 17 00:00:00 2001
From: Abdulmohsen <1621552+arabcoders@users.noreply.github.com>
Date: Sat, 3 May 2025 18:23:28 +0300
Subject: [PATCH] [ie/youtube] Fix `--live-from-start` support for premieres
 (#13079)

Closes #8543
Authored by: arabcoders
---
 yt_dlp/extractor/youtube/_video.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/yt_dlp/extractor/youtube/_video.py b/yt_dlp/extractor/youtube/_video.py
index b3340e8f58..b79094db18 100644
--- a/yt_dlp/extractor/youtube/_video.py
+++ b/yt_dlp/extractor/youtube/_video.py
@@ -1819,6 +1819,12 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                     else:
                         retry.error = f'Cannot find refreshed manifest for format {format_id}{bug_reports_message()}'
                     continue
+
+                # Formats from ended premieres will be missing a manifest_url
+                # See https://github.com/yt-dlp/yt-dlp/issues/8543
+                if not f.get('manifest_url'):
+                    break
+
                 return f['manifest_url'], f['manifest_stream_number'], is_live
             return None