Add thumbnail URL support

For cases where the thumbnail obtained from BrightCove is the broadcaster's default image, this change ensures that the thumbnail hosted by TVer.jp is always used instead.

yt_dlp/extractor/tver.py

@@ -65,11 +65,13 @@ class TVerIE(InfoExtractor):
         episode_content = traverse_obj(
             episode_info, ('result', 'episode', 'content')) or {}
 
+        version = str_or_none(episode_content.get('version')) or '5'
         video_info = self._download_json(
             f'https://statics.tver.jp/content/episode/{video_id}.json', video_id,
             query={
-                'v': str_or_none(episode_content.get('version')) or '5',
-            }, headers={
+                'v': version,
+            },
+            headers={
                 'Origin': 'https://tver.jp',
                 'Referer': 'https://tver.jp/',
             })
@@ -88,6 +90,21 @@ class TVerIE(InfoExtractor):
         provider = str_or_none(episode_content.get('productionProviderName'))
         onair_label = str_or_none(episode_content.get('broadcastDateLabel'))
 
+        thumbnails = [
+            {
+                'id': quality,
+                'url': f'https://statics.tver.jp/images/content/thumbnail/episode/{quality}/{video_id}.jpg?v={version}',
+                'width': width,
+                'height': height,
+            }
+            for quality, width, height in [
+                ('small', 480, 270),
+                ('medium', 640, 360),
+                ('large', 960, 540),
+                ('xlarge', 1280, 720),
+            ]
+        ]
+
         return {
             '_type': 'url_transparent',
             'title': title,
@@ -97,6 +114,7 @@ class TVerIE(InfoExtractor):
             'alt_title': join_nonempty(title, provider, onair_label, delim=' '),
             'channel': provider,
             'description': str_or_none(video_info.get('description')),
+            'thumbnails': thumbnails,
             'url': smuggle_url(
                 self.BRIGHTCOVE_URL_TEMPLATE % (p_id, r_id), {'geo_countries': ['JP']}),
             'ie_key': 'BrightcoveNew',