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# All credits to https://github.com/LuanRT/googlevideo
from pytubefix.sabr.common import FormatId
from pytubefix.sabr.proto import BinaryReader, BinaryWriter
class PlaybackCookie:
@staticmethod
def create_base():
return {
"field1": 0,
"field2": 0,
"videoFmt": None,
"audioFmt": None
}
@staticmethod
def encode(message: dict, writer=None):
if writer is None:
writer = 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("videoFmt") is not None:
FormatId.encode(message["videoFmt"], writer.uint32(58).fork()).join()
if message.get("audioFmt") is not None:
FormatId.encode(message["audioFmt"], writer.uint32(66).fork()).join()
return writer
@staticmethod
def decode(data, length=None):
reader = data if isinstance(data, BinaryReader) else BinaryReader(data)
end = reader.len if length is None else reader.pos + length
message = PlaybackCookie.create_base()
while reader.pos < end:
tag = reader.uint32()
field = tag >> 3
if field == 1 and tag == 8:
message["field1"] = reader.int32()
continue
elif field == 2 and tag == 16:
message["field2"] = reader.int32()
continue
elif field == 7 and tag == 58:
message["videoFmt"] = FormatId.decode(reader, reader.uint32())
continue
elif field == 8 and tag == 66:
message["audioFmt"] = FormatId.decode(reader, reader.uint32())
continue
elif (tag & 7) == 4 or tag == 0:
break
else:
reader.skip(tag & 7)
return message
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