X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fcommon.py;fp=youtube_dl%2Fextractor%2Fcommon.py;h=a285ee7d898e0777005ff625b5fcc44f1013d683;hp=02cd2c003ce0ab7b305d67e4f0e9c61304795620;hb=d6712378e73951bede475569c887a1ac73f660a9;hpb=c83a352227401d7ca7eac045b58043ed576c0cdc

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 02cd2c003..a285ee7d8 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1006,6 +1006,13 @@ class InfoExtractor(object):
     def _parse_f4m_formats(self, manifest, manifest_url, video_id, preference=None, f4m_id=None,
                            transform_source=lambda s: fix_xml_ampersands(s).strip(),
                            fatal=True):
+        # currently youtube-dl cannot decode the playerVerificationChallenge as Akamai uses Adobe Alchemy
+        akamai_pv = manifest.find('{http://ns.adobe.com/f4m/1.0}pv-2.0')
+        if akamai_pv is not None and ';' in akamai_pv.text:
+            playerVerificationChallenge = akamai_pv.text.split(';')[0]
+            if playerVerificationChallenge.strip() != '':
+                return []
+
         formats = []
         manifest_version = '1.0'
         media_nodes = manifest.findall('{http://ns.adobe.com/f4m/1.0}media')