Merge branch 'feature/use_protbuf' into develop

2020-05-31 22:58:20 +09:00
parent 51eff10eeb 8f91e031f3
commit e6dbc8772e
17 changed files with 1055 additions and 430 deletions
--- a/pytchat/core_async/livechat.py
+++ b/pytchat/core_async/livechat.py
@@ -1,7 +1,6 @@
-import aiohttp, asyncio
-import datetime
+import aiohttp
+import asyncio
 import json
-import random
 import signal
 import time
 import traceback
@@ -75,7 +74,7 @@ class LiveChatAsync:
    _setup_finished = False

    def __init__(self, video_id,
-                seektime = 0,
+                 seektime=-1,
                 processor=DefaultProcessor(),
                 buffer=None,
                 interruptable=True,
@@ -219,9 +218,7 @@ class LiveChatAsync:
          -------
            'continuationContents' which includes metadata & chatdata.
        '''
-        livechat_json = (await 
-            self._get_livechat_json(continuation, session, headers)
-        )
+        livechat_json = await self._get_livechat_json(continuation, session, headers)
        contents = self._parser.get_contents(livechat_json)
        if self._first_fetch:
            if contents is None or self._is_replay:
@@ -325,7 +322,7 @@ class LiveChatAsync:
        Listenerを終了する。
        '''
        self._is_alive = False
-        if self._direct_mode == False:
+        if self._direct_mode is False:
            # bufferにダミーオブジェクトを入れてis_alive()を判定させる
            self._buffer.put_nowait({'chatdata': '', 'timeout': 0})
        self._logger.info(f'[{self.video_id}]finished.')
@@ -342,7 +339,7 @@ class LiveChatAsync:
                 asyncio.current_task()]
        [task.cancel() for task in tasks]

-        cls._logger.debug(f"complete remaining tasks...")
+        cls._logger.debug("complete remaining tasks...")
        await asyncio.gather(*tasks, return_exceptions=True)
        loop = asyncio.get_event_loop()
        loop.stop()
--- a/pytchat/core_multithread/livechat.py
+++ b/pytchat/core_multithread/livechat.py
@@ -1,7 +1,5 @@
 import requests
-import datetime
 import json
-import random
 import signal
 import time
 import traceback
@@ -74,7 +72,7 @@ class LiveChat:
    _setup_finished = False

    def __init__(self, video_id,
-                 seektime=0,
+                 seektime=-1,
                 processor=DefaultProcessor(),
                 buffer=None,
                 interruptable=True,
--- a/pytchat/paramgen/arcparam.py
+++ b/pytchat/paramgen/arcparam.py
@@ -1,111 +1,55 @@
-from base64 import urlsafe_b64encode as b64enc
-from functools import reduce
-import math
-import random
-import urllib.parse
+from .pb.header_pb2 import Header
+from .pb.replay_pb2 import Continuation
+from urllib.parse import quote
+import base64

 '''
 Generate continuation parameter of youtube replay chat.

-Author: taizan-hokuto (2019) @taizan205
+Author: taizan-hokuto

-ver 0.0.1 2019.10.05
+ver 0.0.1 2019.10.05 : Initial release.
+ver 0.0.2 2020.05.30 : Use Protocol Buffers.
 '''


-def _gen_vid(video_id):
-    """generate video_id parameter.
-    Parameter
-    ---------
-        video_id : str
-
-    Return
-    ---------
-        bytes : base64 encoded video_id parameter.
-    """
-    header_magic = b'\x0A\x0F\x1A\x0D\x0A'
-    header_id = video_id.encode()
-    header_sep_1 = b'\x1A\x13\xEA\xA8\xDD\xB9\x01\x0D\x0A\x0B'
-    header_terminator = b'\x20\x01'
-
-    item = [
-        header_magic,
-        _nval(len(header_id)),
-        header_id,
-        header_sep_1,
-        header_id,
-        header_terminator
-    ]
-
-    return urllib.parse.quote(
-        b64enc(reduce(lambda x, y: x+y, item)).decode()
-    ).encode()
+def _gen_vid(video_id) -> str:
+    header = Header()
+    header.info.video.id = video_id
+    header.terminator = 1
+    return base64.urlsafe_b64encode(header.SerializeToString()).decode()


-def _nval(val):
-    """convert value to byte array"""
-    if val < 0:
-        raise ValueError
-    buf = b''
-    while val >> 7:
-        m = val & 0xFF | 0x80
-        buf += m.to_bytes(1, 'big')
-        val >>= 7
-    buf += val.to_bytes(1, 'big')
-    return buf
+def _build(video_id, seektime, topchat_only) -> str:
+    chattype = 1
+    timestamp = 0
+    if topchat_only:
+        chattype = 4

-
-def _build(video_id, seektime, topchat_only):
-    switch_01 = b'\x04' if topchat_only else b'\x01'
+    fetch_before_start = 3
    if seektime < 0:
-        times = _nval(0)
-        switch = b'\x04'
+        fetch_before_start = 4
    elif seektime == 0:
-        times = _nval(1)
-        switch = b'\x03'
+        timestamp = 1
    else:
-        times = _nval(int(seektime*1000000))
-        switch = b'\x03'
-    parity = b'\x00'
-
-    header_magic = b'\xA2\x9D\xB0\xD3\x04'
-    sep_0 = b'\x1A'
-    vid = _gen_vid(video_id)
-    time_tag = b'\x28'
-    timestamp1 = times
-    sep_1 = b'\x30\x00\x38\x00\x40\x00\x48'
-    sep_2 = b'\x52\x1C\x08\x00\x10\x00\x18\x00\x20\x00'
-    chkstr = b'\x2A\x0E\x73\x74\x61\x74\x69\x63\x63\x68\x65\x63\x6B\x73\x75\x6D\x40'
-    sep_3 = b'\x00\x58\x03\x60'
-    sep_4 = b'\x68' + parity + b'\x72\x04\x08'
-    sep_5 = b'\x10' + parity + b'\x78\x00'
-
-    body = b''.join([
-        sep_0,
-        _nval(len(vid)),
-        vid,
-        time_tag,
-        timestamp1,
-        sep_1,
-        switch,
-        sep_2,
-        chkstr,
-        sep_3,
-        switch_01,
-        sep_4,
-        switch_01,
-        sep_5
-    ])
-
-    return urllib.parse.quote(
-        b64enc(header_magic +
-               _nval(len(body)) +
-               body
-               ).decode()
-    )
+        timestamp = int(seektime*1000000)
+    continuation = Continuation()
+    entity = continuation.entity
+    entity.header = _gen_vid(video_id)
+    entity.timestamp = timestamp
+    entity.s6 = 0
+    entity.s7 = 0
+    entity.s8 = 0
+    entity.s9 = fetch_before_start
+    entity.s10 = ''
+    entity.s12 = chattype
+    entity.chattype.value = chattype
+    entity.s15 = 0
+    return quote(
+        base64.urlsafe_b64encode(continuation.SerializeToString()).decode())


-def getparam(video_id, seektime=0, topchat_only=False):
+def getparam(video_id, seektime=-1, topchat_only=False) -> str:
    '''
    Parameter
    ---------
--- a/pytchat/paramgen/arcparam_mining.py
+++ b/pytchat/paramgen/arcparam_mining.py
@@ -1,7 +1,5 @@
 from base64 import urlsafe_b64encode as b64enc
 from functools import reduce
-import math
-import random
 import urllib.parse

 '''
@@ -12,6 +10,7 @@ Author: taizan-hokuto (2019) @taizan205
 ver 0.0.1 2019.10.05
 '''

+
 def _gen_vid_long(video_id):
    """generate video_id parameter.
    Parameter
@@ -67,7 +66,8 @@ def _gen_vid(video_id):

 def _nval(val):
    """convert value to byte array"""
-    if val<0: raise ValueError
+    if val < 0:
+        raise ValueError
    buf = b''
    while val >> 7:
        m = val & 0xFF | 0x80
@@ -76,6 +76,7 @@ def _nval(val):
    buf += val.to_bytes(1, 'big')
    return buf

+
 def _build(video_id, seektime, topchat_only):
    switch_01 = b'\x04' if topchat_only else b'\x01'
    if seektime < 0:
@@ -85,9 +86,7 @@ def _build(video_id, seektime, topchat_only):
    else:
        times = _nval(int(seektime*1000))
    if seektime > 0:
-        _len_time = ( b'\x5A'
-                    + (len(times)+1).to_bytes(1,'big')
-                    + b'\x10')
+        _len_time = b'\x5A' + (len(times)+1).to_bytes(1, 'big') + b'\x10'
    else:
        _len_time = b''
    
@@ -120,6 +119,7 @@ def _build(video_id, seektime, topchat_only):
                ).decode()
            )

+
 def getparam(video_id, seektime=0.0, topchat_only=False):
    '''
    Parameter
--- a/pytchat/paramgen/liveparam.py
+++ b/pytchat/paramgen/liveparam.py
@@ -1,19 +1,21 @@
-from base64 import urlsafe_b64encode as b64enc
-from functools import reduce
-import time
+from .pb.header_pb2 import Header
+from .pb.live_pb2 import Continuation
+from urllib.parse import quote
+import base64
 import random
-import urllib.parse
+import time

 '''
 Generate continuation parameter of youtube live chat.

-Author: taizan-hokuto (2019) @taizan205
+Author: taizan-hokuto

-ver 0.0.1 2019.10.05
+ver 0.0.1 2019.10.05 : Initial release.
+ver 0.0.2 2020.05.30 : Use Protocol Buffers.
 '''


-def _gen_vid(video_id):
+def _gen_vid(video_id) -> str:
    """generate video_id parameter.
    Parameter
    ---------
@@ -23,130 +25,49 @@ def _gen_vid(video_id):
    ---------
    byte[] : base64 encoded video_id parameter.
    """
-    header_magic = b'\x0A\x0F\x0A\x0D\x0A'
-    header_id = video_id.encode()
-    header_sep_1 = b'\x1A'
-    header_sep_2 = b'\x43\xAA\xB9\xC1\xBD\x01\x3D\x0A'
-    header_suburl = ('https://www.youtube.com/live_chat?v='
-                     f'{video_id}&is_popout=1').encode()
-    header_terminator = b'\x20\x02'
-
-    item = [
-        header_magic,
-        _nval(len(header_id)),
-        header_id,
-        header_sep_1,
-        header_sep_2,
-        _nval(len(header_suburl)),
-        header_suburl,
-        header_terminator
-    ]
-
-    return urllib.parse.quote(
-        b64enc(reduce(lambda x, y: x+y, item)).decode()
-    ).encode()
+    header = Header()
+    header.info.video.id = video_id
+    header.terminator = 1
+    return base64.urlsafe_b64encode(header.SerializeToString()).decode()


-def _tzparity(video_id, times):
-    t = 0
-    for i, s in enumerate(video_id):
-        ss = ord(s)
-        if(ss % 2 == 0):
-            t += ss*(12-i)
-        else:
-            t ^= ss*i
+def _build(video_id, ts1, ts2, ts3, ts4, ts5, topchat_only) -> str:
+    chattype = 1
+    if topchat_only:
+        chattype = 4
+    continuation = Continuation()
+    entity = continuation.entity

-    return ((times ^ t) % 2).to_bytes(1, 'big')
+    entity.header = _gen_vid(video_id)
+    entity.timestamp1 = ts1
+    entity.s6 = 0
+    entity.s7 = 0
+    entity.s8 = 1
+    entity.body.b1 = 0
+    entity.body.b2 = 0
+    entity.body.b3 = 0
+    entity.body.b4 = 0
+    entity.body.b7 = ''
+    entity.body.b8 = 0
+    entity.body.b9 = ''
+    entity.body.timestamp2 = ts2
+    entity.body.b11 = 3
+    entity.body.b15 = 0
+    entity.timestamp3 = ts3
+    entity.timestamp4 = ts4
+    entity.s13 = chattype
+    entity.chattype.value = chattype
+    entity.s17 = 0
+    entity.str19.value = 0
+    entity.timestamp5 = ts5

-
-def _nval(val):
-    """convert value to byte array"""
-    if val < 0:
-        raise ValueError
-    buf = b''
-    while val >> 7:
-        m = val & 0xFF | 0x80
-        buf += m.to_bytes(1, 'big')
-        val >>= 7
-    buf += val.to_bytes(1, 'big')
-    return buf
-
-
-def _build(video_id, _ts1, _ts2, _ts3, _ts4, _ts5, topchat_only):
-    # _short_type2
-    switch_01 = b'\x04' if topchat_only else b'\x01'
-    parity = _tzparity(video_id, _ts1 ^ _ts2 ^ _ts3 ^ _ts4 ^ _ts5)
-
-    header_magic = b'\xD2\x87\xCC\xC8\x03'
-    sep_0 = b'\x1A'
-    vid = _gen_vid(video_id)
-    time_tag = b'\x28'
-    timestamp1 = _nval(_ts1)
-    sep_1 = b'\x30\x00\x38\x00\x40\x02\x4A'
-    un_len = b'\x2B'
-    sep_2 = b'\x08'+parity+b'\x10\x00\x18\x00\x20\x00'
-    chkstr = b'\x2A\x0E\x73\x74\x61\x74\x69\x63\x63\x68\x65\x63\x6B\x73\x75\x6D'
-    sep_3 = b'\x3A\x00\x40\x00\x4A'
-    sep_4_len = b'\x02'
-    sep_4 = b'\x08\x01'
-    ts_2_start = b'\x50'
-    timestamp2 = _nval(_ts2)
-    ts_2_end = b'\x58'
-    sep_5 = b'\x03'
-    ts_3_start = b'\x50'
-    timestamp3 = _nval(_ts3)
-    ts_3_end = b'\x58'
-    timestamp4 = _nval(_ts4)
-    sep_6 = b'\x68'
-    # switch
-    sep_7 = b'\x82\x01\x04\x08'
-    # switch
-    sep_8 = b'\x10\x00'
-    sep_9 = b'\x88\x01\x00\xA0\x01'
-    timestamp5 = _nval(_ts5)
-
-    body = b''.join([
-        sep_0,
-        _nval(len(vid)),
-        vid,
-        time_tag,
-        timestamp1,
-        sep_1,
-        un_len,
-        sep_2,
-        chkstr,
-        sep_3,
-        sep_4_len,
-        sep_4,
-        ts_2_start,
-        timestamp2,
-        ts_2_end,
-        sep_5,
-        ts_3_start,
-        timestamp3,
-        ts_3_end,
-        timestamp4,
-        sep_6,
-        switch_01,
-        sep_7,
-        switch_01,
-        sep_8,
-        sep_9,
-        timestamp5
-    ])
-
-    return urllib.parse.quote(
-        b64enc(header_magic +
-               _nval(len(body)) +
-               body
-               ).decode()
+    return quote(
+        base64.urlsafe_b64encode(continuation.SerializeToString()).decode()
    )


 def _times(past_sec):
-
    n = int(time.time())
-
    _ts1 = n - random.uniform(0, 1*3)
    _ts2 = n - random.uniform(0.01, 0.99)
    _ts3 = n - past_sec + random.uniform(0, 1)
@@ -155,7 +76,7 @@ def _times(past_sec):
    return list(map(lambda x: int(x*1000000), [_ts1, _ts2, _ts3, _ts4, _ts5]))


-def getparam(video_id, past_sec=0, topchat_only=False):
+def getparam(video_id, past_sec=0, topchat_only=False) -> str:
    '''
    Parameter
    ---------
--- a/pytchat/paramgen/pb/init.py
+++ b/pytchat/paramgen/pb/init.py
--- a/pytchat/paramgen/pb/header_pb2.py
+++ b/pytchat/paramgen/pb/header_pb2.py
@@ -0,0 +1,159 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: header.proto
+
+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
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='header.proto',
+  package='',
+  syntax='proto3',
+  serialized_options=None,
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\x0cheader.proto\"\x13\n\x05Video\x12\n\n\x02id\x18\x01 \x01(\t\"#\n\nHeaderInfo\x12\x15\n\x05video\x18\x01 \x01(\x0b\x32\x06.Video\"7\n\x06Header\x12\x19\n\x04info\x18\x01 \x01(\x0b\x32\x0b.HeaderInfo\x12\x12\n\nterminator\x18\x04 \x01(\x05\x62\x06proto3'
+)
+
+
+
+
+_VIDEO = _descriptor.Descriptor(
+  name='Video',
+  full_name='Video',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='id', full_name='Video.id', index=0,
+      number=1, 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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=16,
+  serialized_end=35,
+)
+
+
+_HEADERINFO = _descriptor.Descriptor(
+  name='HeaderInfo',
+  full_name='HeaderInfo',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='video', full_name='HeaderInfo.video', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=37,
+  serialized_end=72,
+)
+
+
+_HEADER = _descriptor.Descriptor(
+  name='Header',
+  full_name='Header',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='info', full_name='Header.info', index=0,
+      number=1, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='terminator', full_name='Header.terminator', index=1,
+      number=4, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=74,
+  serialized_end=129,
+)
+
+_HEADERINFO.fields_by_name['video'].message_type = _VIDEO
+_HEADER.fields_by_name['info'].message_type = _HEADERINFO
+DESCRIPTOR.message_types_by_name['Video'] = _VIDEO
+DESCRIPTOR.message_types_by_name['HeaderInfo'] = _HEADERINFO
+DESCRIPTOR.message_types_by_name['Header'] = _HEADER
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+Video = _reflection.GeneratedProtocolMessageType('Video', (_message.Message,), {
+  'DESCRIPTOR' : _VIDEO,
+  '__module__' : 'header_pb2'
+  # @@protoc_insertion_point(class_scope:Video)
+  })
+_sym_db.RegisterMessage(Video)
+
+HeaderInfo = _reflection.GeneratedProtocolMessageType('HeaderInfo', (_message.Message,), {
+  'DESCRIPTOR' : _HEADERINFO,
+  '__module__' : 'header_pb2'
+  # @@protoc_insertion_point(class_scope:HeaderInfo)
+  })
+_sym_db.RegisterMessage(HeaderInfo)
+
+Header = _reflection.GeneratedProtocolMessageType('Header', (_message.Message,), {
+  'DESCRIPTOR' : _HEADER,
+  '__module__' : 'header_pb2'
+  # @@protoc_insertion_point(class_scope:Header)
+  })
+_sym_db.RegisterMessage(Header)
+
+
+# @@protoc_insertion_point(module_scope)
--- a/pytchat/paramgen/pb/live_pb2.py
+++ b/pytchat/paramgen/pb/live_pb2.py
@@ -0,0 +1,381 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: live.proto
+
+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
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='live.proto',
+  package='live',
+  syntax='proto3',
+  serialized_options=None,
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\nlive.proto\x12\x04live\"\x88\x01\n\x04\x42ody\x12\n\n\x02\x62\x31\x18\x01 \x01(\x05\x12\n\n\x02\x62\x32\x18\x02 \x01(\x05\x12\n\n\x02\x62\x33\x18\x03 \x01(\x05\x12\n\n\x02\x62\x34\x18\x04 \x01(\x05\x12\n\n\x02\x62\x37\x18\x07 \x01(\t\x12\n\n\x02\x62\x38\x18\x08 \x01(\x05\x12\n\n\x02\x62\x39\x18\t \x01(\t\x12\x12\n\ntimestamp2\x18\n \x01(\x03\x12\x0b\n\x03\x62\x31\x31\x18\x0b \x01(\x05\x12\x0b\n\x03\x62\x31\x35\x18\x0f \x01(\x05\"\x19\n\x08\x43hatType\x12\r\n\x05value\x18\x01 \x01(\x05\"\x16\n\x05STR19\x12\r\n\x05value\x18\x01 \x01(\x05\"\x8a\x02\n\x12\x43ontinuationEntity\x12\x0e\n\x06header\x18\x03 \x01(\t\x12\x12\n\ntimestamp1\x18\x05 \x01(\x03\x12\n\n\x02s6\x18\x06 \x01(\x05\x12\n\n\x02s7\x18\x07 \x01(\x05\x12\n\n\x02s8\x18\x08 \x01(\x05\x12\x18\n\x04\x62ody\x18\t \x01(\x0b\x32\n.live.Body\x12\x12\n\ntimestamp3\x18\n \x01(\x03\x12\x12\n\ntimestamp4\x18\x0b \x01(\x03\x12\x0b\n\x03s13\x18\r \x01(\x05\x12 \n\x08\x63hattype\x18\x10 \x01(\x0b\x32\x0e.live.ChatType\x12\x0b\n\x03s17\x18\x11 \x01(\x05\x12\x1a\n\x05str19\x18\x13 \x01(\x0b\x32\x0b.live.STR19\x12\x12\n\ntimestamp5\x18\x14 \x01(\x03\";\n\x0c\x43ontinuation\x12+\n\x06\x65ntity\x18\xfa\xc0\x89\x39 \x01(\x0b\x32\x18.live.ContinuationEntityb\x06proto3'
+)
+
+
+
+
+_BODY = _descriptor.Descriptor(
+  name='Body',
+  full_name='live.Body',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='b1', full_name='live.Body.b1', index=0,
+      number=1, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b2', full_name='live.Body.b2', index=1,
+      number=2, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b3', full_name='live.Body.b3', index=2,
+      number=3, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b4', full_name='live.Body.b4', index=3,
+      number=4, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b7', full_name='live.Body.b7', index=4,
+      number=7, 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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b8', full_name='live.Body.b8', index=5,
+      number=8, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b9', full_name='live.Body.b9', index=6,
+      number=9, 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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp2', full_name='live.Body.timestamp2', index=7,
+      number=10, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b11', full_name='live.Body.b11', index=8,
+      number=11, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='b15', full_name='live.Body.b15', index=9,
+      number=15, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=21,
+  serialized_end=157,
+)
+
+
+_CHATTYPE = _descriptor.Descriptor(
+  name='ChatType',
+  full_name='live.ChatType',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='value', full_name='live.ChatType.value', index=0,
+      number=1, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=159,
+  serialized_end=184,
+)
+
+
+_STR19 = _descriptor.Descriptor(
+  name='STR19',
+  full_name='live.STR19',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='value', full_name='live.STR19.value', index=0,
+      number=1, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=186,
+  serialized_end=208,
+)
+
+
+_CONTINUATIONENTITY = _descriptor.Descriptor(
+  name='ContinuationEntity',
+  full_name='live.ContinuationEntity',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='header', full_name='live.ContinuationEntity.header', index=0,
+      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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp1', full_name='live.ContinuationEntity.timestamp1', index=1,
+      number=5, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s6', full_name='live.ContinuationEntity.s6', index=2,
+      number=6, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s7', full_name='live.ContinuationEntity.s7', index=3,
+      number=7, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s8', full_name='live.ContinuationEntity.s8', index=4,
+      number=8, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='body', full_name='live.ContinuationEntity.body', index=5,
+      number=9, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp3', full_name='live.ContinuationEntity.timestamp3', index=6,
+      number=10, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp4', full_name='live.ContinuationEntity.timestamp4', index=7,
+      number=11, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s13', full_name='live.ContinuationEntity.s13', index=8,
+      number=13, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='chattype', full_name='live.ContinuationEntity.chattype', index=9,
+      number=16, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s17', full_name='live.ContinuationEntity.s17', index=10,
+      number=17, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='str19', full_name='live.ContinuationEntity.str19', index=11,
+      number=19, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp5', full_name='live.ContinuationEntity.timestamp5', index=12,
+      number=20, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=211,
+  serialized_end=477,
+)
+
+
+_CONTINUATION = _descriptor.Descriptor(
+  name='Continuation',
+  full_name='live.Continuation',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='entity', full_name='live.Continuation.entity', index=0,
+      number=119693434, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=479,
+  serialized_end=538,
+)
+
+_CONTINUATIONENTITY.fields_by_name['body'].message_type = _BODY
+_CONTINUATIONENTITY.fields_by_name['chattype'].message_type = _CHATTYPE
+_CONTINUATIONENTITY.fields_by_name['str19'].message_type = _STR19
+_CONTINUATION.fields_by_name['entity'].message_type = _CONTINUATIONENTITY
+DESCRIPTOR.message_types_by_name['Body'] = _BODY
+DESCRIPTOR.message_types_by_name['ChatType'] = _CHATTYPE
+DESCRIPTOR.message_types_by_name['STR19'] = _STR19
+DESCRIPTOR.message_types_by_name['ContinuationEntity'] = _CONTINUATIONENTITY
+DESCRIPTOR.message_types_by_name['Continuation'] = _CONTINUATION
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+Body = _reflection.GeneratedProtocolMessageType('Body', (_message.Message,), {
+  'DESCRIPTOR' : _BODY,
+  '__module__' : 'live_pb2'
+  # @@protoc_insertion_point(class_scope:live.Body)
+  })
+_sym_db.RegisterMessage(Body)
+
+ChatType = _reflection.GeneratedProtocolMessageType('ChatType', (_message.Message,), {
+  'DESCRIPTOR' : _CHATTYPE,
+  '__module__' : 'live_pb2'
+  # @@protoc_insertion_point(class_scope:live.ChatType)
+  })
+_sym_db.RegisterMessage(ChatType)
+
+STR19 = _reflection.GeneratedProtocolMessageType('STR19', (_message.Message,), {
+  'DESCRIPTOR' : _STR19,
+  '__module__' : 'live_pb2'
+  # @@protoc_insertion_point(class_scope:live.STR19)
+  })
+_sym_db.RegisterMessage(STR19)
+
+ContinuationEntity = _reflection.GeneratedProtocolMessageType('ContinuationEntity', (_message.Message,), {
+  'DESCRIPTOR' : _CONTINUATIONENTITY,
+  '__module__' : 'live_pb2'
+  # @@protoc_insertion_point(class_scope:live.ContinuationEntity)
+  })
+_sym_db.RegisterMessage(ContinuationEntity)
+
+Continuation = _reflection.GeneratedProtocolMessageType('Continuation', (_message.Message,), {
+  'DESCRIPTOR' : _CONTINUATION,
+  '__module__' : 'live_pb2'
+  # @@protoc_insertion_point(class_scope:live.Continuation)
+  })
+_sym_db.RegisterMessage(Continuation)
+
+
+# @@protoc_insertion_point(module_scope)
--- a/pytchat/paramgen/pb/replay_pb2.py
+++ b/pytchat/paramgen/pb/replay_pb2.py
@@ -0,0 +1,215 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: replay.proto
+
+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
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='replay.proto',
+  package='replay',
+  syntax='proto3',
+  serialized_options=None,
+  create_key=_descriptor._internal_create_key,
+  serialized_pb=b'\n\x0creplay.proto\x12\x06replay\"\x19\n\x08\x43hatType\x12\r\n\x05value\x18\x01 \x01(\x05\"\xb2\x01\n\x12\x43ontinuationEntity\x12\x0e\n\x06header\x18\x03 \x01(\t\x12\x11\n\ttimestamp\x18\x05 \x01(\x03\x12\n\n\x02s6\x18\x06 \x01(\x05\x12\n\n\x02s7\x18\x07 \x01(\x05\x12\n\n\x02s8\x18\x08 \x01(\x05\x12\n\n\x02s9\x18\t \x01(\x05\x12\x0b\n\x03s10\x18\n \x01(\t\x12\x0b\n\x03s12\x18\x0c \x01(\x05\x12\"\n\x08\x63hattype\x18\x0e \x01(\x0b\x32\x10.replay.ChatType\x12\x0b\n\x03s15\x18\x0f \x01(\x05\"=\n\x0c\x43ontinuation\x12-\n\x06\x65ntity\x18\xd4\x83\xb6J \x01(\x0b\x32\x1a.replay.ContinuationEntityb\x06proto3'
+)
+
+
+
+
+_CHATTYPE = _descriptor.Descriptor(
+  name='ChatType',
+  full_name='replay.ChatType',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='value', full_name='replay.ChatType.value', index=0,
+      number=1, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=24,
+  serialized_end=49,
+)
+
+
+_CONTINUATIONENTITY = _descriptor.Descriptor(
+  name='ContinuationEntity',
+  full_name='replay.ContinuationEntity',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='header', full_name='replay.ContinuationEntity.header', index=0,
+      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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='timestamp', full_name='replay.ContinuationEntity.timestamp', index=1,
+      number=5, type=3, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s6', full_name='replay.ContinuationEntity.s6', index=2,
+      number=6, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s7', full_name='replay.ContinuationEntity.s7', index=3,
+      number=7, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s8', full_name='replay.ContinuationEntity.s8', index=4,
+      number=8, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s9', full_name='replay.ContinuationEntity.s9', index=5,
+      number=9, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s10', full_name='replay.ContinuationEntity.s10', index=6,
+      number=10, 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,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s12', full_name='replay.ContinuationEntity.s12', index=7,
+      number=12, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='chattype', full_name='replay.ContinuationEntity.chattype', index=8,
+      number=14, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+    _descriptor.FieldDescriptor(
+      name='s15', full_name='replay.ContinuationEntity.s15', index=9,
+      number=15, type=5, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=52,
+  serialized_end=230,
+)
+
+
+_CONTINUATION = _descriptor.Descriptor(
+  name='Continuation',
+  full_name='replay.Continuation',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  create_key=_descriptor._internal_create_key,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='entity', full_name='replay.Continuation.entity', index=0,
+      number=156074452, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      serialized_options=None, file=DESCRIPTOR,  create_key=_descriptor._internal_create_key),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  serialized_options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=232,
+  serialized_end=293,
+)
+
+_CONTINUATIONENTITY.fields_by_name['chattype'].message_type = _CHATTYPE
+_CONTINUATION.fields_by_name['entity'].message_type = _CONTINUATIONENTITY
+DESCRIPTOR.message_types_by_name['ChatType'] = _CHATTYPE
+DESCRIPTOR.message_types_by_name['ContinuationEntity'] = _CONTINUATIONENTITY
+DESCRIPTOR.message_types_by_name['Continuation'] = _CONTINUATION
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+ChatType = _reflection.GeneratedProtocolMessageType('ChatType', (_message.Message,), {
+  'DESCRIPTOR' : _CHATTYPE,
+  '__module__' : 'replay_pb2'
+  # @@protoc_insertion_point(class_scope:replay.ChatType)
+  })
+_sym_db.RegisterMessage(ChatType)
+
+ContinuationEntity = _reflection.GeneratedProtocolMessageType('ContinuationEntity', (_message.Message,), {
+  'DESCRIPTOR' : _CONTINUATIONENTITY,
+  '__module__' : 'replay_pb2'
+  # @@protoc_insertion_point(class_scope:replay.ContinuationEntity)
+  })
+_sym_db.RegisterMessage(ContinuationEntity)
+
+Continuation = _reflection.GeneratedProtocolMessageType('Continuation', (_message.Message,), {
+  'DESCRIPTOR' : _CONTINUATION,
+  '__module__' : 'replay_pb2'
+  # @@protoc_insertion_point(class_scope:replay.Continuation)
+  })
+_sym_db.RegisterMessage(Continuation)
+
+
+# @@protoc_insertion_point(module_scope)
--- a/pytchat/paramgen/proto/header.proto
+++ b/pytchat/paramgen/proto/header.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+message Video {
+    string id = 1;
+}
+
+message HeaderInfo {
+    Video video = 1;
+}
+
+message Header {
+    HeaderInfo info = 1;
+    int32 terminator = 4;
+}
--- a/pytchat/paramgen/proto/live.proto
+++ b/pytchat/paramgen/proto/live.proto
@@ -0,0 +1,45 @@
+syntax = "proto3";
+
+package live;
+
+message Body {
+    int32 b1 = 1;
+    int32 b2 = 2;
+    int32 b3 = 3;
+    int32 b4 = 4;
+    string b7 = 7;
+    int32 b8 = 8;
+    string b9 = 9;
+    int64 timestamp2 = 10;
+    int32 b11 = 11;
+    int32 b15 = 15;
+}
+
+message ChatType {
+    int32 value = 1;
+}
+
+message STR19 {
+    int32 value = 1;
+}
+
+message ContinuationEntity {
+    string header = 3;
+    int64 timestamp1 = 5;
+    int32 s6 = 6;
+    int32 s7 = 7;
+    int32 s8 = 8;
+    Body body = 9;
+    int64 timestamp3 = 10;
+    int64 timestamp4 = 11;
+    int32 s13 = 13;
+    ChatType chattype = 16;
+    int32 s17 = 17;
+    STR19 str19 = 19;
+    int64 timestamp5 = 20;
+}
+
+message Continuation {
+    ContinuationEntity entity = 119693434;
+}
+
--- a/pytchat/paramgen/proto/replay.proto
+++ b/pytchat/paramgen/proto/replay.proto
@@ -0,0 +1,24 @@
+syntax = "proto3";
+
+package replay;
+
+message ChatType {
+    int32 value = 1;
+}
+
+message ContinuationEntity {
+    string header = 3;
+    int64 timestamp = 5;
+    int32 s6 = 6;
+    int32 s7 = 7;
+    int32 s8 = 8;
+    int32 s9 = 9;
+    string s10 = 10;
+    int32 s12 = 12;
+    ChatType chattype = 14;
+    int32 s15 = 15;
+}
+
+message Continuation {
+    ContinuationEntity entity = 156074452;
+}  
--- a/pytchat/parser/live.py
+++ b/pytchat/parser/live.py
@@ -4,13 +4,13 @@ pytchat.parser.live
 Parser of live chat JSON.
 """

-import json
 from .. exceptions import (
    ResponseContextError,
    NoContentsException,
    NoContinuationsException,
    ChatParseException)

+
 class Parser:

    __slots__ = ['is_replay']
@@ -22,8 +22,7 @@ class Parser:
        if jsn is None:
            raise ChatParseException('Called with none JSON object.')
        if jsn['response']['responseContext'].get('errors'):
-            raise ResponseContextError('The video_id would be wrong,'
-                'or video is deleted or private.')
+            raise ResponseContextError('The video_id would be wrong, or video is deleted or private.')
        contents = jsn['response'].get('continuationContents')
        return contents

--- a/pytchat/parser/replay.py
+++ b/pytchat/parser/replay.py
@@ -1,76 +0,0 @@
-import json
-from .. import config
-from .. exceptions import ( 
-    ResponseContextError, 
-    NoContentsException, 
-    NoContinuationsException )
-
-
-logger = config.logger(__name__)
-
-class Parser:
-    def parse(self, jsn):
-        """
-        このparse関数はReplayChat._listen() 関数から定期的に呼び出される。
-        引数jsnはYoutubeから取得したアーカイブ済みチャットデータの生JSONであり、
-        このparse関数によって与えられたJSONを以下に分割して返す。
-         + timeout (次のチャットデータ取得までのインターバル)
-         + chat data（チャットデータ本体）
-         + continuation （次のチャットデータ取得に必要となるパラメータ）.
-        
-        ライブ配信のチャットとアーカイブ済み動画のチャットは構造が若干異なっているが、
-        ライブチャットと同じデータ形式に変換することにより、
-        同じprocessorでライブとリプレイどちらでも利用できるようにしている。
-
-        Parameter
-        ----------
-        + jsn : dict
-            + Youtubeから取得したチャットデータのJSONオブジェクト。
-              （pythonの辞書形式に変換済みの状態で渡される）
-
-        Returns
-        -------
-        + metadata : dict
-            + チャットデータに付随するメタデータ。timeout、 動画ID、continuationパラメータで構成される。           
-        + chatdata : list[dict]
-            + チャットデータ本体のリスト。
-        """
-        if jsn is None: 
-            return {'timeoutMs':0,'continuation':None},[]
-        if jsn['response']['responseContext'].get('errors'):
-            raise ResponseContextError('動画に接続できません。'
-        '動画IDが間違っているか、動画が削除／非公開の可能性があります。')
-        contents=jsn['response'].get('continuationContents')
-        #配信が終了した場合、もしくはチャットデータが取得できない場合
-        if contents is None:
-            raise NoContentsException('チャットデータを取得できませんでした。')
-
-        cont = contents['liveChatContinuation']['continuations'][0]
-        if cont is None:
-            raise NoContinuationsException('Continuationがありません。')
-        metadata = cont.get('liveChatReplayContinuationData')
-        if metadata is None:
-            unknown = list(cont.keys())[0]
-            if unknown != "playerSeekContinuationData":
-                logger.debug(f"Received unknown continuation type:{unknown}")
-                metadata = cont.get(unknown)
-        actions = contents['liveChatContinuation'].get('actions')
-        if actions is None:
-            #後続のチャットデータなし
-            return {"continuation":None,"timeout":0,"chatdata":[]}
-        interval = self.get_interval(actions)
-        metadata.setdefault("timeoutMs",interval)
-        """アーカイブ済みチャットはライブチャットと構造が異なっているため、以下の行により
-        ライブチャットと同じ形式にそろえる"""
-        chatdata = [action["replayChatItemAction"]["actions"][0] for action in actions]
-        return metadata, chatdata
-
-    def get_interval(self, actions: list):
-        if actions is None:
-            return 0
-        start = int(actions[0]["replayChatItemAction"]["videoOffsetTimeMsec"])
-        last = int(actions[-1]["replayChatItemAction"]["videoOffsetTimeMsec"])
-        return (last - start)
-
-
-
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 aiohttp
+protobuf
 pytz
 requests
 urllib3
--- a/tests/test_arcparam.py
+++ b/tests/test_arcparam.py
@@ -1,19 +1,22 @@
-import pytest
-from pytchat.parser.live import Parser
+import json
+import requests
 import pytchat.config as config
-import requests, json
 from pytchat.paramgen import arcparam
+from pytchat.parser.live import Parser
+

 def test_arcparam_0(mocker):
    param = arcparam.getparam("01234567890", -1)
-    assert param == "op2w0wRyGjxDZzhhRFFvTE1ERXlNelExTmpjNE9UQWFFLXFvM2JrQkRRb0xNREV5TXpRMU5qYzRPVEFnQVElM0QlM0QoADAAOABAAEgEUhwIABAAGAAgACoOc3RhdGljY2hlY2tzdW1AAFgDYAFoAHIECAEQAHgA" 
+    assert param == "op2w0wQmGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09SARgAXICCAE%3D" 
+

 def test_arcparam_1(mocker):
    param = arcparam.getparam("01234567890", seektime=100000)
-    assert param == "op2w0wR3GjxDZzhhRFFvTE1ERXlNelExTmpjNE9UQWFFLXFvM2JrQkRRb0xNREV5TXpRMU5qYzRPVEFnQVElM0QlM0QogNDbw_QCMAA4AEAASANSHAgAEAAYACAAKg5zdGF0aWNjaGVja3N1bUAAWANgAWgAcgQIARAAeAA%3D"
+    assert param == "op2w0wQtGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09KIDQ28P0AkgDYAFyAggB"
+

 def test_arcparam_2(mocker):
-    param = arcparam.getparam("SsjCnHOk-Sk")
+    param = arcparam.getparam("SsjCnHOk-Sk", seektime=100)
    url = f"https://www.youtube.com/live_chat_replay/get_live_chat_replay?continuation={param}&pbj=1"
    resp = requests.Session().get(url, headers=config.headers)
    jsn = json.loads(resp.text)
@@ -25,4 +28,4 @@ def test_arcparam_2(mocker):

 def test_arcparam_3(mocker):
    param = arcparam.getparam("01234567890")
-    assert param == "op2w0wRyGjxDZzhhRFFvTE1ERXlNelExTmpjNE9UQWFFLXFvM2JrQkRRb0xNREV5TXpRMU5qYzRPVEFnQVElM0QlM0QoATAAOABAAEgDUhwIABAAGAAgACoOc3RhdGljY2hlY2tzdW1AAFgDYAFoAHIECAEQAHgA"
+    assert param == "op2w0wQmGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09SARgAXICCAE%3D"
--- a/tests/test_liveparam.py
+++ b/tests/test_liveparam.py
@@ -5,5 +5,5 @@ def test_liveparam_0(mocker):
    _ts1= 1546268400
    param = liveparam._build("01234567890",
    *([_ts1*1000000 for i in range(5)]), topchat_only=False)
-    test_param="0ofMyAPiARp8Q2c4S0RRb0xNREV5TXpRMU5qYzRPVEFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5TURFeU16UTFOamM0T1RBbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiAuNbVqsrfAjAAOABAAkorCAEQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgLjW1arK3wJYA1CAuNbVqsrfAliAuNbVqsrfAmgBggEECAEQAIgBAKABgLjW1arK3wI%3D"
+    test_param="0ofMyANcGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09KIC41tWqyt8CQAFKC1CAuNbVqsrfAlgDUIC41tWqyt8CWIC41tWqyt8CaAGCAQIIAZoBAKABgLjW1arK3wI%3D"
    assert test_param == param