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[ie] Extract subtitles from SMIL manifests (#7667)

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Authored by: bashonly, pukkandan
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bashonly 2023-07-23 19:09:52 -05:00 committed by GitHub
parent 39837ae319
commit 550e65410a
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5 changed files with 34 additions and 28 deletions
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46
yt_dlp/extractor/common.py
View File

@ -2248,18 +2248,10 @@ class InfoExtractor:
if res is False:
assert not fatal
return [], {}
smil, urlh = res
smil_url = urlh.url
namespace = self._parse_smil_namespace(smil)
fmts = self._parse_smil_formats(
smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
subs = self._parse_smil_subtitles(
smil, namespace=namespace)
return fmts, subs
return self._parse_smil_formats_and_subtitles(smil, urlh.url, video_id, f4m_params=f4m_params,
namespace=self._parse_smil_namespace(smil))
def _extract_smil_formats(self, *args, **kwargs):
fmts, subs = self._extract_smil_formats_and_subtitles(*args, **kwargs)
@ -2285,9 +2277,8 @@ class InfoExtractor:
def _parse_smil(self, smil, smil_url, video_id, f4m_params=None):
namespace = self._parse_smil_namespace(smil)
formats = self._parse_smil_formats(
formats, subtitles = self._parse_smil_formats_and_subtitles(
smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
subtitles = self._parse_smil_subtitles(smil, namespace=namespace)
video_id = os.path.splitext(url_basename(smil_url))[0]
title = None
@ -2326,7 +2317,14 @@ class InfoExtractor:
return self._search_regex(
r'(?i)^{([^}]+)?}smil$', smil.tag, 'namespace', default=None)
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
def _parse_smil_formats(self, *args, **kwargs):
fmts, subs = self._parse_smil_formats_and_subtitles(*args, **kwargs)
if subs:
self._report_ignoring_subs('SMIL')
return fmts
def _parse_smil_formats_and_subtitles(
self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
base = smil_url
for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
b = meta.get('base') or meta.get('httpBase')
@ -2334,7 +2332,7 @@ class InfoExtractor:
base = b
break
formats = []
formats, subtitles = [], {}
rtmp_count = 0
http_count = 0
m3u8_count = 0
@ -2382,8 +2380,9 @@ class InfoExtractor:
src_url = src_url.strip()
if proto == 'm3u8' or src_ext == 'm3u8':
m3u8_formats = self._extract_m3u8_formats(
m3u8_formats, m3u8_subs = self._extract_m3u8_formats_and_subtitles(
src_url, video_id, ext or 'mp4', m3u8_id='hls', fatal=False)
self._merge_subtitles(m3u8_subs, target=subtitles)
if len(m3u8_formats) == 1:
m3u8_count += 1
m3u8_formats[0].update({
@ -2404,11 +2403,15 @@ class InfoExtractor:
f4m_url += urllib.parse.urlencode(f4m_params)
formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False))
elif src_ext == 'mpd':
formats.extend(self._extract_mpd_formats(
src_url, video_id, mpd_id='dash', fatal=False))
mpd_formats, mpd_subs = self._extract_mpd_formats_and_subtitles(
src_url, video_id, mpd_id='dash', fatal=False)
formats.extend(mpd_formats)
self._merge_subtitles(mpd_subs, target=subtitles)
elif re.search(r'\.ism/[Mm]anifest', src_url):
formats.extend(self._extract_ism_formats(
src_url, video_id, ism_id='mss', fatal=False))
ism_formats, ism_subs = self._extract_ism_formats_and_subtitles(
src_url, video_id, ism_id='mss', fatal=False)
formats.extend(ism_formats)
self._merge_subtitles(ism_subs, target=subtitles)
elif src_url.startswith('http') and self._is_valid_url(src, video_id):
http_count += 1
formats.append({
@ -2439,7 +2442,10 @@ class InfoExtractor:
'format_note': 'SMIL storyboards',
})
return formats
smil_subs = self._parse_smil_subtitles(smil, namespace=namespace)
self._merge_subtitles(smil_subs, target=subtitles)
return formats, subtitles
def _parse_smil_subtitles(self, smil, namespace=None, subtitles_lang='en'):
urls = []

5
yt_dlp/extractor/livestream.py
View File

@ -80,7 +80,8 @@ class LivestreamIE(InfoExtractor):
}]
_API_URL_TEMPLATE = 'http://livestream.com/api/accounts/%s/events/%s'
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
def _parse_smil_formats_and_subtitles(
self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
base_ele = find_xpath_attr(
smil, self._xpath_ns('.//meta', namespace), 'name', 'httpBase')
base = base_ele.get('content') if base_ele is not None else 'http://livestreamvod-f.akamaihd.net/'
@ -104,7 +105,7 @@ class LivestreamIE(InfoExtractor):
'tbr': tbr,
'preference': -1000, # Strictly inferior than all other formats?
})
return formats
return formats, {}
def _extract_video_info(self, video_data):
video_id = compat_str(video_data['id'])

6
yt_dlp/extractor/mediaset.py
View File

@ -154,10 +154,12 @@ class MediasetIE(ThePlatformBaseIE):
}
}]
def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
def _parse_smil_formats_and_subtitles(
self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
for video in smil.findall(self._xpath_ns('.//video', namespace)):
video.attrib['src'] = re.sub(r'(https?://vod05)t(-mediaset-it\.akamaized\.net/.+?.mpd)\?.+', r'\1\2', video.attrib['src'])
return super(MediasetIE, self)._parse_smil_formats(smil, smil_url, video_id, namespace, f4m_params, transform_rtmp_url)
return super(MediasetIE, self)._parse_smil_formats_and_subtitles(
smil, smil_url, video_id, namespace, f4m_params, transform_rtmp_url)
def _check_drm_formats(self, tp_formats, video_id):
has_nondrm, drm_manifest = False, ''

1
yt_dlp/extractor/nbc.py
View File

@ -131,7 +131,6 @@ class NBCIE(ThePlatformIE): # XXX: Do not subclass from concrete IE
'age_limit': 0,
'thumbnail': r're:https?://.+\.jpg',
},
'expected_warnings': ['Ignoring subtitle tracks'],
'params': {
'skip_download': 'm3u8',
},

4
yt_dlp/extractor/theplatform.py
View File

@ -45,7 +45,7 @@ class ThePlatformBaseIE(OnceIE):
raise ExtractorError(
error_element.attrib['abstract'], expected=True)
smil_formats = self._parse_smil_formats(
smil_formats, subtitles = self._parse_smil_formats_and_subtitles(
meta, smil_url, video_id, namespace=default_ns,
# the parameters are from syfy.com, other sites may use others,
# they also work for nbc.com
@ -65,8 +65,6 @@ class ThePlatformBaseIE(OnceIE):
formats.append(_format)
subtitles = self._parse_smil_subtitles(meta, default_ns)
return formats, subtitles
def _download_theplatform_metadata(self, path, video_id):