File size: 7,250 Bytes
44bafb2 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 |
# All credits to https://github.com/LuanRT/googlevideo
from pytubefix.sabr.common import FormatId
from pytubefix.sabr.proto import BinaryWriter, BinaryReader
from pytubefix.sabr.video_streaming.time_range import TimeRange
def create_base_buffered_range():
return {
"formatId": None,
"startTimeMs": 0,
"durationMs": 0,
"startSegmentIndex": 0,
"endSegmentIndex": 0,
"timeRange": None,
"field9": None,
"field11": None,
"field12": None
}
class Kob_Pa:
def __init__(self):
self.videoId = ""
self.lmt = 0
@staticmethod
def encode(message, writer=None):
writer = writer or BinaryWriter()
if message.get("videoId"):
writer.uint32(10).string(message["videoId"])
if message.get("lmt", 0) != 0:
writer.uint32(16).uint64(message["lmt"])
return writer
@staticmethod
def decode(input_data, length=None):
reader = input_data if isinstance(input_data, BinaryReader) else BinaryReader(input_data)
end = reader.len if length is None else reader.pos + length
message = Kob_Pa()
while reader.pos < end:
tag = reader.uint32()
field_num = tag >> 3
if field_num == 1 and tag == 10:
message.videoId = reader.string()
continue
elif field_num == 2 and tag == 16:
message.lmt = long_to_number(reader.uint64())
elif (tag & 7) == 4 or tag == 0:
break
else:
reader.skip(tag & 7)
return message
class Kob:
def __init__(self):
self.EW = []
@staticmethod
def encode(message, writer=None):
writer = writer or BinaryWriter()
for v in message.get("EW", []):
Kob_Pa.encode(v, writer.uint32(10).fork()).join()
return writer
@staticmethod
def decode(input_data, length=None):
reader = input_data if isinstance(input_data, BinaryReader) else BinaryReader(input_data)
end = reader.len if length is None else reader.pos + length
message = Kob()
while reader.pos < end:
tag = reader.uint32()
field_num = tag >> 3
if field_num == 1 and tag == 10:
message.EW.append(Kob_Pa.decode(reader, reader.uint32()))
continue
elif (tag & 7) == 4 or tag == 0:
break
else:
reader.skip(tag & 7)
return message
class YPa:
def __init__(self):
self.field1 = 0
self.field2 = 0
self.field3 = 0
@staticmethod
def encode(message, writer=None):
writer = writer or BinaryWriter()
if message.get("field1", 0) != 0:
writer.uint32(8).int32(message["field1"])
if message.get("field2", 0) != 0:
writer.uint32(16).int32(message["field2"])
if message.get("field3", 0) != 0:
writer.uint32(24).int32(message["field3"])
return writer
@staticmethod
def decode(input_data, length=None):
reader = input_data if isinstance(input_data, BinaryReader) else BinaryReader(input_data)
end = reader.len if length is None else reader.pos + length
message = YPa()
while reader.pos < end:
tag = reader.uint32()
field_num = tag >> 3
if field_num == 1 and tag == 8:
message.field1 = reader.int32()
continue
elif field_num == 2 and tag == 16:
message.field2 = reader.int32()
continue
elif field_num == 3 and tag == 24:
message.field3 = reader.int32()
continue
elif (tag & 7) == 4 or tag == 0:
break
else:
reader.skip(tag & 7)
return message
class BufferedRange:
@staticmethod
def encode(message, writer=None):
writer = writer or BinaryWriter()
if message.get("formatId") is not None:
FormatId.encode(message["formatId"], writer.uint32(10).fork()).join()
if message.get("startTimeMs", 0) != 0:
writer.uint32(16).int64(message["startTimeMs"])
if message.get("durationMs", 0) != 0:
writer.uint32(24).int64(message["durationMs"])
if message.get("startSegmentIndex", 0) != 0:
writer.uint32(32).int32(message["startSegmentIndex"])
if message.get("endSegmentIndex", 0) != 0:
writer.uint32(40).int32(message["endSegmentIndex"])
if message.get("timeRange") is not None:
TimeRange.encode(message["timeRange"], writer.uint32(50).fork()).join()
if message.get("field9") is not None:
Kob.encode(message["field9"], writer.uint32(74).fork()).join()
if message.get("field11") is not None:
YPa.encode(message["field11"], writer.uint32(90).fork()).join()
if message.get("field12") is not None:
YPa.encode(message["field12"], writer.uint32(98).fork()).join()
return writer
@staticmethod
def decode(input_data, length=None):
reader = input_data if isinstance(input_data, BinaryReader) else BinaryReader(input_data)
end = reader.len if length is None else reader.pos + length
message = create_base_buffered_range()
while reader.pos < end:
tag = reader.uint32()
field_num = tag >> 3
if field_num == 1 and tag == 10:
message["formatId"] = FormatId.decode(reader, reader.uint32())
continue
elif field_num == 2 and tag == 16:
message["startTimeMs"] = long_to_number(reader.int64())
continue
elif field_num == 3 and tag == 24:
message["durationMs"] = long_to_number(reader.int64())
continue
elif field_num == 4 and tag == 32:
message["startSegmentIndex"] = reader.int32()
continue
elif field_num == 5 and tag == 40:
message["endSegmentIndex"] = reader.int32()
continue
elif field_num == 6 and tag == 50:
message["timeRange"] = TimeRange.decode(reader, reader.uint32())
continue
elif field_num == 9 and tag == 74:
message["field9"] = Kob.decode(reader, reader.uint32())
continue
elif field_num == 11 and tag == 90:
message["field11"] = YPa.decode(reader, reader.uint32())
continue
elif field_num == 12 and tag == 98:
message["field12"] = YPa.decode(reader, reader.uint32())
continue
elif (tag & 7) == 4 or tag == 0:
break
else:
reader.skip(tag & 7)
return message
def long_to_number(int64_value):
value = int(str(int64_value))
if value > (2 ** 53 - 1):
raise OverflowError("Value is larger than 9007199254740991")
if value < -(2 ** 53 - 1):
raise OverflowError("Value is smaller than -9007199254740991")
return value
|