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fix(dash): preserve MPD DRM instead of overwriting from init segment

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The init_data DRM extraction was unconditionally overwriting DRM already extracted from MPD ContentProtection elements. This caused failures when init segments contain malformed PSSH data while the MPD has valid PSSH.

Now only falls back to init_data extraction when no DRM was found from the manifest, matching the behavior in version 2.1.0.
This commit is contained in:
Andy
2026-02-02 12:02:16 -07:00
parent cc55fd8922
commit 1cde8964c1
1 changed files with 1 additions and 1 deletions
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2
unshackle/core/manifests/dash.py
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@@ -476,7 +476,7 @@ class DASH:
track.data["dash"]["timescale"] = int(segment_timescale)
track.data["dash"]["segment_durations"] = segment_durations
if init_data and isinstance(track, (Video, Audio)):
if not track.drm and init_data and isinstance(track, (Video, Audio)):
prefers_playready = isinstance(cdm, PlayReadyCdm) or (hasattr(cdm, "is_playready") and cdm.is_playready)
if prefers_playready:
try: