[youtube] De-prioritize auto-generated thumbnails

Closes #3112
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pukkandan 2022-04-29 00:31:34 +05:30
parent 1d485a1a79
commit bfec31bec8
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@ -3402,13 +3402,13 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
original_thumbnails = thumbnails.copy()
# The best resolution thumbnails sometimes does not appear in the webpage
# See: https://github.com/ytdl-org/youtube-dl/issues/29049, https://github.com/yt-dlp/yt-dlp/issues/340
# See: https://github.com/yt-dlp/yt-dlp/issues/340
# List of possible thumbnails - Ref: <https://stackoverflow.com/a/20542029>
thumbnail_names = [
'maxresdefault', 'hq720', 'sddefault', 'sd1', 'sd2', 'sd3',
'hqdefault', 'hq1', 'hq2', 'hq3', '0',
'mqdefault', 'mq1', 'mq2', 'mq3',
'default', '1', '2', '3'
# While the *1,*2,*3 thumbnails are just below their correspnding "*default" variants
# in resolution, these are not the custom thumbnail. So de-prioritize them
'maxresdefault', 'hq720', 'sddefault', 'hqdefault', '0', 'mqdefault', 'default',
'sd1', 'sd2', 'sd3', 'hq1', 'hq2', 'hq3', 'mq1', 'mq2', 'mq3', '1', '2', '3'
]
n_thumbnail_names = len(thumbnail_names)
thumbnails.extend({