cdm-tools-wks-keys/pywidevine/L1/getPSSH.py

14 lines
534 B
Python

import requests, xmltodict, json
def get_pssh(mpd_url):
r = requests.get(url=mpd_url)
r.raise_for_status()
xml = xmltodict.parse(r.text)
mpd = json.loads(json.dumps(xml))
tracks = mpd['MPD']['Period']['AdaptationSet']
for video_tracks in tracks:
if video_tracks['@mimeType'] == 'video/mp4':
for t in video_tracks["ContentProtection"]:
if t['@schemeIdUri'].lower() == "urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":
pssh = t["cenc:pssh"]
return pssh