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youtube-dl
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[common] Add _extract_dash_manifest_formats

This commit is contained in:
Yen Chi Hsuan 2016-01-30 22:52:23 +08:00
parent c94678957f
commit 2d2fa82d17
2 changed files with 18 additions and 7 deletions
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15
youtube_dl/extractor/common.py
View File

@ -1330,6 +1330,21 @@ class InfoExtractor(object):
})
return entries
def _download_dash_manifest(self, dash_manifest_url, video_id, fatal=True):
return self._download_xml(
dash_manifest_url, video_id,
note='Downloading DASH manifest',
errnote='Could not download DASH manifest',
fatal=fatal)
def _extract_dash_manifest_formats(self, dash_manifest_url, video_id, fatal=True, namespace=None, formats_dict={}):
dash_doc = self._download_dash_manifest(dash_manifest_url, video_id, fatal)
if dash_doc is False:
return []
return self._parse_dash_manifest(
dash_doc, namespace=namespace, formats_dict=formats_dict)
def _parse_dash_manifest(self, dash_doc, namespace=None, formats_dict={}):
def _add_ns(path):
return self._xpath_ns(path, namespace)

10
youtube_dl/extractor/youtube.py
View File

@ -1472,14 +1472,10 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
return '/signature/%s' % dec_s
dash_manifest_url = re.sub(r'/s/([a-fA-F0-9\.]+)', decrypt_sig, dash_manifest_url)
dash_doc = self._download_xml(
dash_manifest_url, video_id,
note='Downloading DASH manifest',
errnote='Could not download DASH manifest',
fatal=dash_mpd_fatal)
for df in self._parse_dash_manifest(
dash_doc, namespace='urn:mpeg:DASH:schema:MPD:2011', formats_dict=self._formats):
for df in self._extract_dash_manifest_formats(
dash_manifest_url, video_id, fatal=dash_mpd_fatal,
namespace='urn:mpeg:DASH:schema:MPD:2011', formats_dict=self._formats):
# Do not overwrite DASH format found in some previous DASH manifest
if df['format_id'] not in dash_formats:
dash_formats[df['format_id']] = df