From 3c279b33cb6d1133624a468e71560c6a75039586 Mon Sep 17 00:00:00 2001
From: bashonly <88596187+bashonly@users.noreply.github.com>
Date: Fri, 26 Jun 2026 11:52:12 -0500
Subject: [PATCH] [ie/youtube] Fix detection of forced preroll wait time
 (#17062)

Authored by: bashonly
---
 yt_dlp/extractor/youtube/_video.py | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/yt_dlp/extractor/youtube/_video.py b/yt_dlp/extractor/youtube/_video.py
index f12636d8cf..3697717de8 100644
--- a/yt_dlp/extractor/youtube/_video.py
+++ b/yt_dlp/extractor/youtube/_video.py
@@ -3819,11 +3819,20 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
         wait_seconds = 0
 
         for renderer in traverse_obj(player_response, (
-            'adSlots', lambda _, v: v['adSlotRenderer']['adSlotMetadata']['triggerEvent'] == 'SLOT_TRIGGER_EVENT_BEFORE_CONTENT',
-            'adSlotRenderer', 'fulfillmentContent', 'fulfilledLayout', 'playerBytesAdLayoutRenderer', 'renderingContent', (
-                None,
-                ('playerBytesSequentialLayoutRenderer', 'sequentialLayouts', ..., 'playerBytesAdLayoutRenderer', 'renderingContent'),
-            ), 'instreamVideoAdRenderer', {dict},
+            (
+                (
+                    'adPlacements', lambda _, v: v['adPlacementRenderer']['config']['adPlacementConfig']['kind'] == 'AD_PLACEMENT_KIND_START',
+                    'adPlacementRenderer', 'renderer',
+                ),
+                (
+                    'adSlots', lambda _, v: v['adSlotRenderer']['adSlotMetadata']['triggerEvent'] == 'SLOT_TRIGGER_EVENT_BEFORE_CONTENT',
+                    'adSlotRenderer', 'fulfillmentContent', 'fulfilledLayout', 'playerBytesAdLayoutRenderer', 'renderingContent', (
+                        None,
+                        ('playerBytesSequentialLayoutRenderer', 'sequentialLayouts', ..., 'playerBytesAdLayoutRenderer', 'renderingContent'),
+                    ),
+                ),
+            ),
+            'instreamVideoAdRenderer', {dict},
         )):
             duration = traverse_obj(renderer, ('playerVars', {urllib.parse.parse_qs}, 'length_seconds', -1, {int_or_none}))
             ad = 'an ad' if duration is None else f'a {duration}s ad'