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fix(dash): treat a missing FFprobe as no PSSH instead of crashing

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PSSH discovery raised OSError when the binary was absent, so a DRM free download failed on any host without FFprobe.
This commit is contained in:
imSp4rky
2026-09-07 10:06:10 -06:00
parent 7065cbf911
commit 771fd34bd5
1 changed files with 4 additions and 1 deletions
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unshackle/core/manifests/dash.py
+4 -1
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@@ -22,6 +22,7 @@ from pywidevine.cdm import Cdm as WidevineCdm
from pywidevine.pssh import PSSH
from requests import Session
from unshackle.core import binaries
from unshackle.core.config import config
from unshackle.core.constants import DOWNLOAD_CANCELLED, DOWNLOAD_LICENCE_ONLY, AnyTrack
from unshackle.core.drm import DRM_T, ClearKeyCENC, PlayReady, Widevine
@@ -414,7 +415,9 @@ class DASH:
track.data["dash"]["timescale"] = int(segment_timescale)
track.data["dash"]["segment_durations"] = segment_durations
if not track.drm and init_data and isinstance(track, (Video, Audio)):
if not track.drm and init_data and isinstance(track, (Video, Audio)) and not binaries.FFProbe:
log.warning("FFprobe was not found, so the init segment was not probed for a PSSH.")
elif not track.drm and init_data and isinstance(track, (Video, Audio)):
prefers_playready = track.prefers_playready(cdm)
if prefers_playready:
try: