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-rw-r--r--youtube_dl/downloader/f4m.py20
1 files changed, 19 insertions, 1 deletions
diff --git a/youtube_dl/downloader/f4m.py b/youtube_dl/downloader/f4m.py
index c68b2c303..29de7630d 100644
--- a/youtube_dl/downloader/f4m.py
+++ b/youtube_dl/downloader/f4m.py
@@ -230,6 +230,23 @@ class F4mFD(FileDownloader):
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):
man_url = info_dict['url']
requested_bitrate = info_dict.get('tbr')
@@ -248,7 +265,8 @@ class F4mFD(FileDownloader):
)
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:
# get the best format
formats = sorted(formats, key=lambda f: f[0])