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PSSH: Allow specifying the System ID to use

This commit is contained in:
rlaphoenix 2022-12-26 23:44:58 +00:00
parent 61097ce6de
commit 11284eddfb
1 changed files with 7 additions and 1 deletions
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8
pywidevine/pssh.py
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@ -127,12 +127,18 @@ class PSSH:
@classmethod @classmethod
def new( def new(
cls, cls,
system_id: UUID,
key_ids: Optional[list[Union[UUID, str, bytes]]] = None, key_ids: Optional[list[Union[UUID, str, bytes]]] = None,
init_data: Optional[Union[WidevinePsshData, str, bytes]] = None, init_data: Optional[Union[WidevinePsshData, str, bytes]] = None,
version: int = 0, version: int = 0,
flags: int = 0 flags: int = 0
) -> PSSH: ) -> PSSH:
"""Craft a new version 0 or 1 PSSH Box.""" """Craft a new version 0 or 1 PSSH Box."""
if not system_id:
raise ValueError("A System ID must be specified.")
if not isinstance(system_id, UUID):
raise TypeError(f"Expected system_id to be a UUID, not {system_id!r}")
if key_ids is not None and not isinstance(key_ids, list): if key_ids is not None and not isinstance(key_ids, list):
raise TypeError(f"Expected key_ids to be a list not {key_ids!r}") raise TypeError(f"Expected key_ids to be a list not {key_ids!r}")
@ -194,7 +200,7 @@ class PSSH:
type=b"pssh", type=b"pssh",
version=version, version=version,
flags=flags, flags=flags,
system_ID=PSSH.SystemId.Widevine, system_ID=system_id,
init_data=[init_data, b""][init_data is None] init_data=[init_data, b""][init_data is None]
# key_IDs should not be set yet # key_IDs should not be set yet
)))) ))))