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feat(drm): add CDM-aware PlayReady fallback detection

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Add PlayReady PSSH/KID extraction from track and init data with CDM-aware ordering. When PlayReady CDM is selected, tries PlayReady first then falls back to Widevine. When Widevine CDM is selected (default), tries Widevine first then falls back to PlayReady.
This commit is contained in:
Andy
2026-01-15 02:49:56 +00:00
parent 415544775b
commit a7b6e9e680
2 changed files with 34 additions and 11 deletions
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23
unshackle/core/tracks/track.py
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@@ -295,12 +295,23 @@ class Track:
try:
if not self.drm and track_type in ("Video", "Audio"):
# the service might not have explicitly defined the `drm` property
# try find widevine DRM information from the init data of URL
try:
self.drm = [Widevine.from_track(self, session)]
except Widevine.Exceptions.PSSHNotFound:
# it might not have Widevine DRM, or might not have found the PSSH
log.warning("No Widevine PSSH was found for this track, is it DRM free?")
# try find DRM information from the init data of URL based on CDM type
if isinstance(cdm, PlayReadyCdm):
try:
self.drm = [PlayReady.from_track(self, session)]
except PlayReady.Exceptions.PSSHNotFound:
try:
self.drm = [Widevine.from_track(self, session)]
except Widevine.Exceptions.PSSHNotFound:
log.warning("No PlayReady or Widevine PSSH was found for this track, is it DRM free?")
else:
try:
self.drm = [Widevine.from_track(self, session)]
except Widevine.Exceptions.PSSHNotFound:
try:
self.drm = [PlayReady.from_track(self, session)]
except PlayReady.Exceptions.PSSHNotFound:
log.warning("No Widevine or PlayReady PSSH was found for this track, is it DRM free?")
if self.drm:
track_kid = self.get_key_id(session=session)