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[downloader/f4m] Extract routine for removing unsupported encrypted media

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This commit is contained in:
Sergey M․ 2016-03-27 07:41:19 +06:00
parent 19dbaeece3
commit f7df343b4a
1 changed files with 7 additions and 3 deletions
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10
youtube_dl/downloader/f4m.py
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@ -223,6 +223,12 @@ def write_metadata_tag(stream, metadata):
write_unsigned_int(stream, FLV_TAG_HEADER_LEN + len(metadata))
def remove_encrypted_media(media):
return list(filter(lambda e: 'drmAdditionalHeaderId' not in e.attrib and
'drmAdditionalHeaderSetId' not in e.attrib,
media))
def _add_ns(prop):
return '{http://ns.adobe.com/f4m/1.0}%s' % prop
@ -244,9 +250,7 @@ def _get_unencrypted_media(self, doc):
# without drmAdditionalHeaderId or drmAdditionalHeaderSetId attribute
if 'id' not in e.attrib:
self.report_error('Missing ID in f4m DRM')
media = list(filter(lambda e: 'drmAdditionalHeaderId' not in e.attrib and
'drmAdditionalHeaderSetId' not in e.attrib,
media))
media = remove_encrypted_media(media)
if not media:
self.report_error('Unsupported DRM')
return media