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-rw-r--r--youtube_dl/downloader/f4m.py10
1 files changed, 7 insertions, 3 deletions
diff --git a/youtube_dl/downloader/f4m.py b/youtube_dl/downloader/f4m.py
index fc9642905..664d87543 100644
--- a/youtube_dl/downloader/f4m.py
+++ b/youtube_dl/downloader/f4m.py
@@ -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 @@ class F4mFD(FragmentFD):
# 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