[youtube] Improve stretch extraction and fix stretched ratio calculation (closes #28769)

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Sergey M․ 2021-04-17 02:27:54 +07:00
parent 7c52395479
commit 54558e0baa
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@ -812,6 +812,11 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
},
'skip': 'This video does not exist.',
},
{
# Video with incomplete 'yt:stretch=16:'
'url': 'https://www.youtube.com/watch?v=FRhJzUSJbGI',
'only_matching': True,
},
{
# Video licensed under Creative Commons
'url': 'https://www.youtube.com/watch?v=M4gD1WSo5mA',
@ -1717,13 +1722,16 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
for m in re.finditer(self._meta_regex('og:video:tag'), webpage)]
for keyword in keywords:
if keyword.startswith('yt:stretch='):
w, h = keyword.split('=')[1].split(':')
w, h = int(w), int(h)
mobj = re.search(r'(\d+)\s*:\s*(\d+)', keyword)
if mobj:
# NB: float is intentional for forcing float division
w, h = (float(v) for v in mobj.groups())
if w > 0 and h > 0:
ratio = w / h
for f in formats:
if f.get('vcodec') != 'none':
f['stretched_ratio'] = ratio
break
thumbnails = []
for container in (video_details, microformat):