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Filter DRM protected media in f4m downloader

This commit is contained in:
rzhxeo 2014-05-28 18:19:23 +02:00
parent 9f0df77ab1
commit 6ca85be6f8
1 changed files with 19 additions and 1 deletions
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20
youtube_dl/downloader/f4m.py
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@ -230,6 +230,23 @@ class F4mFD(FileDownloader):
A downloader for f4m manifests or AdobeHDS. A downloader for f4m manifests or AdobeHDS.
""" """
def _get_unencrypted_media(self, doc):
media=doc.findall(_add_ns('media'))
if not media:
self.report_error('No media found')
for e in (doc.findall(_add_ns('drmAdditionalHeader')) +
doc.findall(_add_ns('drmAdditionalHeaderSet'))):
# If id attribute is missing it's valid for all media nodes
# without drmAdditionalHeaderId or drmAdditionalHeaderSetId attribute
if not 'id' in e.attrib:
self.report_error('Media is DRM protected')
media = list(filter(lambda e: 'drmAdditionalHeaderId' not in e.attrib and
'drmAdditionalHeaderSetId' not in e.attrib,
media))
if not media:
self.report_error('Media is DRM protected')
return media
def real_download(self, filename, info_dict): def real_download(self, filename, info_dict):
man_url = info_dict['url'] man_url = info_dict['url']
requested_bitrate = info_dict.get('tbr') requested_bitrate = info_dict.get('tbr')
@ -248,7 +265,8 @@ class F4mFD(FileDownloader):
) )
doc = etree.fromstring(manifest) doc = etree.fromstring(manifest)
formats = [(int(f.attrib.get('bitrate', -1)), f) for f in doc.findall(_add_ns('media'))] formats = [(int(f.attrib.get('bitrate', -1)), f)
for f in self._get_unencrypted_media(doc)]
if requested_bitrate is None: if requested_bitrate is None:
# get the best format # get the best format
formats = sorted(formats, key=lambda f: f[0]) formats = sorted(formats, key=lambda f: f[0])