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[downloader/f4m] Extract routine for removing unsupported encrypted media
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@ -223,6 +223,12 @@ def write_metadata_tag(stream, metadata):
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write_unsigned_int(stream, FLV_TAG_HEADER_LEN + len(metadata))
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def remove_encrypted_media(media):
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return 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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def _add_ns(prop):
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return '{http://ns.adobe.com/f4m/1.0}%s' % prop
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@ -244,9 +250,7 @@ def _get_unencrypted_media(self, doc):
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# without drmAdditionalHeaderId or drmAdditionalHeaderSetId attribute
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if 'id' not in e.attrib:
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self.report_error('Missing ID in f4m DRM')
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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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media = remove_encrypted_media(media)
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if not media:
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self.report_error('Unsupported DRM')
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return media
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