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update protobuf

pull/180/head
Puyodead1 2023-08-20 14:24:23 -04:00
parent 8ab48230ed
commit 875d888503
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GPG Key ID: A4FA4FEC0DD353FC
5 changed files with 92 additions and 146 deletions
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2
requirements.txt
View File

@ -2,7 +2,7 @@ mpegdash
tqdm
requests
python-dotenv
protobuf==3.20.0
protobuf
webvtt-py
pysrt
m3u8

10
utils.py
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@ -1,9 +1,11 @@
import mp4parse
import codecs
import widevine_pssh_pb2
import base64
import codecs
import os
import mp4parse
import widevine_pssh_data_pb2
def extract_kid(mp4_file):
"""
Parameters
@ -26,7 +28,7 @@ def extract_kid(mp4_file):
pssh_box = next(x for x in box.pssh if x.system_id == "edef8ba979d64acea3c827dcd51d21ed")
hex = codecs.decode(pssh_box.payload, "hex")
pssh = widevine_pssh_pb2.WidevinePsshData()
pssh = widevine_pssh_data_pb2.WidevinePsshData()
pssh.ParseFromString(hex)
content_id = base64.b16encode(pssh.content_id)
return content_id.decode("utf-8")

56
widevine_pssh_data.proto Normal file
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@ -0,0 +1,56 @@
// Copyright 2016 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
//
// This file defines Widevine Pssh Data proto format.
syntax = "proto2";
package shaka.media;
message WidevinePsshData {
enum Algorithm {
UNENCRYPTED = 0;
AESCTR = 1;
};
optional Algorithm algorithm = 1;
repeated bytes key_id = 2;
// Content provider name.
optional string provider = 3;
// A content identifier, specified by content provider.
optional bytes content_id = 4;
// The name of a registered policy to be used for this asset.
optional string policy = 6;
// Crypto period index, for media using key rotation.
optional uint32 crypto_period_index = 7;
// Optional protected context for group content. The grouped_license is a
// serialized SignedMessage.
optional bytes grouped_license = 8;
// Protection scheme identifying the encryption algorithm. Represented as one
// of the following 4CC values: 'cenc' (AES-CTR), 'cbc1' (AES-CBC),
// 'cens' (AES-CTR subsample), 'cbcs' (AES-CBC subsample).
optional uint32 protection_scheme = 9;
}
// Derived from WidevinePsshData. The JSON format of this proto is used in
// Widevine HLS DRM signaling v1.
// We cannot build JSON from WidevinePsshData as |key_id| is required to be in
// hex format, while |bytes| type is translated to base64 by JSON formatter, so
// we have to use |string| type and do hex conversion in the code.
message WidevineHeader {
repeated string key_ids = 2;
// Content provider name.
optional string provider = 3;
// A content identifier, specified by content provider.
optional bytes content_id = 4;
}

29
widevine_pssh_data_pb2.py Normal file
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@ -0,0 +1,29 @@
# -*- coding: utf-8 -*-
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: widevine_pssh_data.proto
"""Generated protocol buffer code."""
from google.protobuf import descriptor as _descriptor
from google.protobuf import descriptor_pool as _descriptor_pool
from google.protobuf import symbol_database as _symbol_database
from google.protobuf.internal import builder as _builder
# @@protoc_insertion_point(imports)
_sym_db = _symbol_database.Default()
DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x18widevine_pssh_data.proto\x12\x0bshaka.media\"\x8f\x02\n\x10WidevinePsshData\x12:\n\talgorithm\x18\x01 \x01(\x0e\x32\'.shaka.media.WidevinePsshData.Algorithm\x12\x0e\n\x06key_id\x18\x02 \x03(\x0c\x12\x10\n\x08provider\x18\x03 \x01(\t\x12\x12\n\ncontent_id\x18\x04 \x01(\x0c\x12\x0e\n\x06policy\x18\x06 \x01(\t\x12\x1b\n\x13\x63rypto_period_index\x18\x07 \x01(\r\x12\x17\n\x0fgrouped_license\x18\x08 \x01(\x0c\x12\x19\n\x11protection_scheme\x18\t \x01(\r\"(\n\tAlgorithm\x12\x0f\n\x0bUNENCRYPTED\x10\x00\x12\n\n\x06\x41\x45SCTR\x10\x01\"G\n\x0eWidevineHeader\x12\x0f\n\x07key_ids\x18\x02 \x03(\t\x12\x10\n\x08provider\x18\x03 \x01(\t\x12\x12\n\ncontent_id\x18\x04 \x01(\x0c')
_globals = globals()
_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'widevine_pssh_data_pb2', _globals)
if _descriptor._USE_C_DESCRIPTORS == False:
DESCRIPTOR._options = None
_globals['_WIDEVINEPSSHDATA']._serialized_start=42
_globals['_WIDEVINEPSSHDATA']._serialized_end=313
_globals['_WIDEVINEPSSHDATA_ALGORITHM']._serialized_start=273
_globals['_WIDEVINEPSSHDATA_ALGORITHM']._serialized_end=313
_globals['_WIDEVINEHEADER']._serialized_start=315
_globals['_WIDEVINEHEADER']._serialized_end=386
# @@protoc_insertion_point(module_scope)

141
widevine_pssh_pb2.py
View File

@ -1,141 +0,0 @@
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: widevine_pssh.proto
import sys
_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
from google.protobuf import descriptor as _descriptor
from google.protobuf import message as _message
from google.protobuf import reflection as _reflection
from google.protobuf import symbol_database as _symbol_database
from google.protobuf import descriptor_pb2
# @@protoc_insertion_point(imports)
_sym_db = _symbol_database.Default()
DESCRIPTOR = _descriptor.FileDescriptor(
name='widevine_pssh.proto',
package='',
serialized_pb=_b('\n\x13widevine_pssh.proto\"\xfc\x01\n\x10WidevinePsshData\x12.\n\talgorithm\x18\x01 \x01(\x0e\x32\x1b.WidevinePsshData.Algorithm\x12\x0e\n\x06key_id\x18\x02 \x03(\x0c\x12\x10\n\x08provider\x18\x03 \x01(\t\x12\x12\n\ncontent_id\x18\x04 \x01(\x0c\x12\x12\n\ntrack_type\x18\x05 \x01(\t\x12\x0e\n\x06policy\x18\x06 \x01(\t\x12\x1b\n\x13\x63rypto_period_index\x18\x07 \x01(\r\x12\x17\n\x0fgrouped_license\x18\x08 \x01(\x0c\"(\n\tAlgorithm\x12\x0f\n\x0bUNENCRYPTED\x10\x00\x12\n\n\x06\x41\x45SCTR\x10\x01')
)
_sym_db.RegisterFileDescriptor(DESCRIPTOR)
_WIDEVINEPSSHDATA_ALGORITHM = _descriptor.EnumDescriptor(
name='Algorithm',
full_name='WidevinePsshData.Algorithm',
filename=None,
file=DESCRIPTOR,
values=[
_descriptor.EnumValueDescriptor(
name='UNENCRYPTED', index=0, number=0,
options=None,
type=None),
_descriptor.EnumValueDescriptor(
name='AESCTR', index=1, number=1,
options=None,
type=None),
],
containing_type=None,
options=None,
serialized_start=236,
serialized_end=276,
)
_sym_db.RegisterEnumDescriptor(_WIDEVINEPSSHDATA_ALGORITHM)
_WIDEVINEPSSHDATA = _descriptor.Descriptor(
name='WidevinePsshData',
full_name='WidevinePsshData',
filename=None,
file=DESCRIPTOR,
containing_type=None,
fields=[
_descriptor.FieldDescriptor(
name='algorithm', full_name='WidevinePsshData.algorithm', index=0,
number=1, type=14, cpp_type=8, label=1,
has_default_value=False, default_value=0,
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='key_id', full_name='WidevinePsshData.key_id', index=1,
number=2, type=12, cpp_type=9, label=3,
has_default_value=False, default_value=[],
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='provider', full_name='WidevinePsshData.provider', index=2,
number=3, type=9, cpp_type=9, label=1,
has_default_value=False, default_value=_b("").decode('utf-8'),
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='content_id', full_name='WidevinePsshData.content_id', index=3,
number=4, type=12, cpp_type=9, label=1,
has_default_value=False, default_value=_b(""),
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='track_type', full_name='WidevinePsshData.track_type', index=4,
number=5, type=9, cpp_type=9, label=1,
has_default_value=False, default_value=_b("").decode('utf-8'),
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='policy', full_name='WidevinePsshData.policy', index=5,
number=6, type=9, cpp_type=9, label=1,
has_default_value=False, default_value=_b("").decode('utf-8'),
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='crypto_period_index', full_name='WidevinePsshData.crypto_period_index', index=6,
number=7, type=13, cpp_type=3, label=1,
has_default_value=False, default_value=0,
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
_descriptor.FieldDescriptor(
name='grouped_license', full_name='WidevinePsshData.grouped_license', index=7,
number=8, type=12, cpp_type=9, label=1,
has_default_value=False, default_value=_b(""),
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
options=None),
],
extensions=[
],
nested_types=[],
enum_types=[
_WIDEVINEPSSHDATA_ALGORITHM,
],
options=None,
is_extendable=False,
extension_ranges=[],
oneofs=[
],
serialized_start=24,
serialized_end=276,
)
_WIDEVINEPSSHDATA.fields_by_name['algorithm'].enum_type = _WIDEVINEPSSHDATA_ALGORITHM
_WIDEVINEPSSHDATA_ALGORITHM.containing_type = _WIDEVINEPSSHDATA
DESCRIPTOR.message_types_by_name['WidevinePsshData'] = _WIDEVINEPSSHDATA
WidevinePsshData = _reflection.GeneratedProtocolMessageType('WidevinePsshData', (_message.Message,), dict(
DESCRIPTOR = _WIDEVINEPSSHDATA,
__module__ = 'widevine_pssh_pb2'
# @@protoc_insertion_point(class_scope:WidevinePsshData)
))
_sym_db.RegisterMessage(WidevinePsshData)
# @@protoc_insertion_point(module_scope)