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