Merge branch 'release/v0.5.5'

Increment version
Update classifiers
2021-07-24 23:00:30 +09:00 · 2021-07-24 22:59:46 +09:00 · 2021-07-24 22:59:26 +09:00 · 2021-07-24 22:50:28 +09:00 · 2021-07-24 22:46:56 +09:00 · 2021-07-24 22:46:56 +09:00
106 changed files with 64833 additions and 66937 deletions
--- a/.github/workflows/run_test.yml
+++ b/.github/workflows/run_test.yml
@@ -9,7 +9,7 @@ jobs:
    strategy:
      max-parallel: 4
      matrix:
-        python-version: [3.7, 3.8]
+        python-version: [3.7, 3.8, 3.9]

    steps:
      - uses: actions/checkout@v2
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,39 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+.pytest_cache/
+
+#logs
+log.txt
+*.log
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+
+# VSCode
+.vscode
+
+# develop
+*.egg-info/
+
+# Pypi dist
+dist/
+README.rst
+temporary/
+# Pypi wheel
+build/
+exclude/
--- a/13
+++ b/13
@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+httpx = {extras = ["http2"]}
+
+[dev-packages]
+pytest-mock = "*"
+pytest-httpx = "*"
+wheel = "*"
+twine = "*"
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -0,0 +1,410 @@
+{
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+        "requires": {},
+        "sources": [
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+                "url": "https://pypi.org/simple",
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+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
+            "version": "==1.26.6"
+        },
+        "webencodings": {
+            "hashes": [
+                "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78",
+                "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"
+            ],
+            "version": "==0.5.1"
+        },
+        "wheel": {
+            "hashes": [
+                "sha256:78b5b185f0e5763c26ca1e324373aadd49182ca90e825f7853f4b2509215dc0e",
+                "sha256:e11eefd162658ea59a60a0f6c7d493a7190ea4b9a85e335b33489d9f17e0245e"
+            ],
+            "index": "pypi",
+            "version": "==0.36.2"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:957cfda87797e389580cb8b9e3870841ca991e2125350677b2ca83a0e99390a3",
+                "sha256:f5812b1e007e48cff63449a5e9f4e7ebea716b4111f9c4f9a645f91d579bf0c4"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==3.5.0"
+        }
+    }
+}
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ pytchat

 pytchat is a python library for fetching youtube live chat.
 
+
+<br><br><br>
 ## Description
 pytchat is a python library for fetching youtube live chat
 without using Selenium or BeautifulSoup.
@@ -22,23 +24,6 @@ pip install pytchat
 ```
 ## Examples

-### CLI
-
-+ One-liner command.
-
-+ Save chat data to html with embedded custom emojis.
-
-+ Show chat stream (--echo option).
-
-```bash
-$ pytchat -v uIx8l2xlYVY -o "c:/temp/"
-# options:
-#  -v : Video ID or URL that includes ID
-#  -o : output directory (default path: './')
-#  --echo : Show chats.
-# saved filename is [video_id].html
-```
-

 ### Fetch chat data (see [wiki](https://github.com/taizan-hokuto/pytchat/wiki/PytchatCore))
 ```python
@@ -74,8 +59,6 @@ while chat.is_alive():

 + YT API compatible chat processor ([CompatibleProcessor](https://github.com/taizan-hokuto/pytchat/wiki/CompatibleProcessor))

-+ Extract archived chat data ([Extractor](https://github.com/taizan-hokuto/pytchat/wiki/Extractor))
-

 ## Structure of Default Processor
 Each item can be got with `sync_items()` function.
@@ -205,19 +188,3 @@ Structure of author object.
 [![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)](LICENSE)


-## Contributes
-Great thanks:
-
-Most of source code of CLI refer to:
-
-[PetterKraabol / Twitch-Chat-Downloader](https://github.com/PetterKraabol/Twitch-Chat-Downloader)
-
-Progress bar in CLI is based on:
-
-[vladignatyev/progress.py](https://gist.github.com/vladignatyev/06860ec2040cb497f0f3)
-
-## Author
-
-[taizan-hokuto](https://github.com/taizan-hokuto)
-
-[twitter:@taizan205](https://twitter.com/taizan205)
--- a/pytchat/init.py
+++ b/pytchat/init.py
@@ -1,8 +1,8 @@
 """
 pytchat is a lightweight python library to browse youtube livechat without Selenium or BeautifulSoup.
 """
-__copyright__    = 'Copyright (C) 2019, 2020 taizan-hokuto'
-__version__      = '0.4.6'
+__copyright__    = 'Copyright (C) 2019, 2020, 2021 taizan-hokuto'
+__version__      = '0.5.5'
 __license__      = 'MIT'
 __author__       = 'taizan-hokuto'
 __author_email__ = '55448286+taizan-hokuto@users.noreply.github.com'
@@ -26,7 +26,6 @@ from .exceptions import (
 )

 from .api import (
-    cli,
    config,
    LiveChat,
    LiveChatAsync,
@@ -34,14 +33,12 @@ from .api import (
    CompatibleProcessor,
    DummyProcessor,
    DefaultProcessor,
-    Extractor, 
    HTMLArchiver,
    TSVArchiver,
    JsonfileArchiver,
    SimpleDisplayProcessor,
    SpeedCalculator,
    SuperchatCalculator,
-    VideoInfo,
    create
 )
 # flake8: noqa
--- a/pytchat/api.py
+++ b/pytchat/api.py
@@ -1,4 +1,3 @@
-from . import cli
 from . import config
 from .core import create
 from .core_multithread.livechat import LiveChat
@@ -13,11 +12,9 @@ from .processors.jsonfile_archiver import JsonfileArchiver
 from .processors.simple_display_processor import SimpleDisplayProcessor
 from .processors.speed.calculator import SpeedCalculator
 from .processors.superchat.calculator import SuperchatCalculator
-from .tool.extract.extractor import Extractor
-from .tool.videoinfo import VideoInfo
+

 __all__ = [
-    cli,
    config,
    LiveChat,
    LiveChatAsync,
@@ -25,14 +22,12 @@ __all__ = [
    CompatibleProcessor,
    DummyProcessor,
    DefaultProcessor,
-    Extractor, 
    HTMLArchiver,
    TSVArchiver,
    JsonfileArchiver,
    SimpleDisplayProcessor,
    SpeedCalculator,
    SuperchatCalculator,
-    VideoInfo,
    create
 ]

--- a/pytchat/cli/init.py
+++ b/pytchat/cli/init.py
@@ -1,71 +0,0 @@
-import argparse
-try:
-    from asyncio import CancelledError
-except ImportError:
-    from asyncio.futures import CancelledError
-import os
-from .arguments import Arguments
-from .echo import Echo
-from .. exceptions import InvalidVideoIdException
-from .. import __version__
-from .cli_extractor import CLIExtractor
-
-
-'''
-Most of CLI modules refer to
-Petter Kraabøl's Twitch-Chat-Downloader
-https://github.com/PetterKraabol/Twitch-Chat-Downloader
-(MIT License)
-'''
-
-
-def main():
-    # Arguments
-    parser = argparse.ArgumentParser(description=f'pytchat v{__version__}')
-    parser.add_argument('-v', f'--{Arguments.Name.VIDEO_IDS}', type=str,
-                        help='Video ID (or URL that includes Video ID). You can specify multiple video IDs by '
-                        'separating them with commas without spaces.\n'
-                        'If ID starts with a hyphen (-), enclose the ID in square brackets.')
-    parser.add_argument('-o', f'--{Arguments.Name.OUTPUT}', type=str,
-                        help='Output directory (end with "/"). default="./"', default='./')
-    parser.add_argument(f'--{Arguments.Name.DEBUG}', action='store_true',
-                        help='Debug mode. Stop when exceptions have occurred and save error data (".dat" file).')
-    parser.add_argument(f'--{Arguments.Name.VERSION}', action='store_true',
-                        help='Show version.')
-    parser.add_argument(f'--{Arguments.Name.ECHO}', action='store_true',
-        help='Display chats of specified video.')
-
-    Arguments(parser.parse_args().__dict__)
-
-    if Arguments().print_version:
-        print(f'pytchat v{__version__}     © 2019, 2020 taizan-hokuto')
-        return
-
-    if not Arguments().video_ids:
-        parser.print_help()
-        return
-
-    # Echo
-    if Arguments().echo:
-        if len(Arguments().video_ids) > 1:
-            print("When using --echo option, only one video ID can be specified.")
-            return
-        try:
-            Echo(Arguments().video_ids[0]).run()
-        except InvalidVideoIdException as e:
-            print("Invalid video id:", str(e))
-        except Exception as e:
-            print(type(e), str(e))
-            if Arguments().debug:
-                raise
-        finally:
-            return
-
-    # Extractor
-    if not os.path.exists(Arguments().output):
-        print("\nThe specified directory does not exist.:{}\n".format(Arguments().output))
-        return
-    try:
-        CLIExtractor().run()
-    except CancelledError as e:
-        print(str(e))
--- a/pytchat/cli/arguments.py
+++ b/pytchat/cli/arguments.py
@@ -1,45 +0,0 @@
-from typing import Optional, Dict, Union, List
-from .singleton import Singleton
-
-'''
-This modules refer to
-Petter Kraabøl's Twitch-Chat-Downloader
-https://github.com/PetterKraabol/Twitch-Chat-Downloader
-(MIT License)
-'''
-
-
-class Arguments(metaclass=Singleton):
-    """
-    Arguments singleton
-    """
-
-    class Name:
-        VERSION: str = 'version'
-        OUTPUT: str = 'output_dir'
-        VIDEO_IDS: str = 'video_id'
-        DEBUG: bool = 'debug'
-        ECHO: bool = 'echo'
-
-    def __init__(self,
-                 arguments: Optional[Dict[str, Union[str, bool, int]]] = None):
-        """
-        Initialize arguments
-        :param arguments: Arguments from cli
-        (Optional to call singleton instance without parameters)
-        """
-
-        if arguments is None:
-            print('Error: arguments were not provided')
-            exit()
-
-        self.print_version: bool = arguments[Arguments.Name.VERSION]
-        self.output: str = arguments[Arguments.Name.OUTPUT]
-        self.video_ids: List[int] = []
-        self.debug: bool = arguments[Arguments.Name.DEBUG]
-        self.echo: bool = arguments[Arguments.Name.ECHO]
-        
-        # Videos
-        if arguments[Arguments.Name.VIDEO_IDS]:
-            self.video_ids = [video_id
-                              for video_id in arguments[Arguments.Name.VIDEO_IDS].split(',')]
--- a/pytchat/cli/cli_extractor.py
+++ b/pytchat/cli/cli_extractor.py
@@ -1,121 +0,0 @@
-import asyncio
-import os
-import signal
-import traceback
-from httpcore import ReadTimeout as HCReadTimeout, NetworkError as HCNetworkError
-from json.decoder import JSONDecodeError
-from pathlib import Path
-from .arguments import Arguments
-from .progressbar import ProgressBar
-from .. import util
-from .. exceptions import InvalidVideoIdException, NoContents, PatternUnmatchError, UnknownConnectionError
-from .. processors.html_archiver import HTMLArchiver
-from .. tool.extract.extractor import Extractor
-from .. tool.videoinfo import VideoInfo
-from .. util.extract_video_id import extract_video_id
-
-
-class CLIExtractor:
-
-    def run(self) -> None:
-        ex = None
-        pbar = None
-        for counter, video_id in enumerate(Arguments().video_ids):
-            if len(Arguments().video_ids) > 1:
-                print(f"\n{'-' * 10} video:{counter + 1} of {len(Arguments().video_ids)} {'-' * 10}")
-
-            try:
-                video_id = extract_video_id(video_id)
-                separated_path = str(Path(Arguments().output)) + os.path.sep
-                path = util.checkpath(separated_path + video_id + '.html')
-                try:
-                    info = VideoInfo(video_id)
-                except (PatternUnmatchError, JSONDecodeError) as e:
-                    print("Cannot parse video information.:{} {}".format(video_id, type(e)))
-                    if Arguments().debug:
-                        util.save(str(e.doc), "ERR", ".dat")
-                    continue
-                except Exception as e:
-                    print("Cannot parse video information.:{} {}".format(video_id, type(e)))
-                    continue
-
-                print(f"\n"
-                    f" video_id: {video_id}\n"
-                    f" channel:  {info.get_channel_name()}\n"
-                    f" title:    {info.get_title()}\n"
-                    f" output path: {path}")
-
-                duration = info.get_duration()
-                pbar = ProgressBar(total=(duration * 1000), status_txt="Extracting")
-                ex = Extractor(video_id,
-                        callback=pbar.disp,
-                        div=10)
-                signal.signal(signal.SIGINT, (lambda a, b: self.cancel(ex, pbar)))
-
-                data = ex.extract()
-                if data == [] or data is None:
-                    continue
-                pbar.reset("#", "=", total=1000, status_txt="Rendering  ")
-                processor = HTMLArchiver(path, callback=pbar.disp)
-                processor.process(
-                    [{'video_id': None,
-                    'timeout': 1,
-                    'chatdata': (action["replayChatItemAction"]["actions"][0] for action in data)}]
-                )
-                processor.finalize()
-                pbar.reset('#', '#', status_txt='Completed   ')
-                pbar.close()
-                print()
-                if pbar.is_cancelled():
-                    print("\nThe extraction process has been discontinued.\n")
-            except InvalidVideoIdException:
-                print("Invalid Video ID or URL:", video_id)
-            except NoContents as e:
-                print(f"Abort:{str(e)}:[{video_id}]")
-            except (JSONDecodeError, PatternUnmatchError) as e:
-                print("{}:{}".format(e.msg, video_id))
-                if Arguments().debug:
-                    filename = util.save(e.doc, "ERR_", ".dat")
-                    traceback.print_exc()
-                    print(f"Saved error data: {filename}")
-            except (UnknownConnectionError, HCNetworkError, HCReadTimeout) as e:
-                if Arguments().debug:
-                    traceback.print_exc()
-                print(f"An unknown network error occurred during the processing of [{video_id}]. : " + str(e))
-            except Exception as e:
-                print(f"Abort:{str(type(e))} {str(e)[:80]}")
-                if Arguments().debug:
-                    traceback.print_exc()
-            finally:
-                clear_tasks()
-
-        return
-
-    def cancel(self, ex=None, pbar=None) -> None:
-        '''Called when keyboard interrupted has occurred.
-        '''
-        print("\nKeyboard interrupted.\n")
-        if ex and pbar:
-            ex.cancel()
-            pbar.cancel()
-
-
-def clear_tasks():
-    '''
-    Clear remained tasks.
-    Called when internal exception has occurred or
-    after each extraction process is completed.
-    '''
-    async def _shutdown():
-        tasks = [t for t in asyncio.all_tasks()
-                if t is not asyncio.current_task()]
-        for task in tasks:
-            task.cancel()
-            
-    try:
-        loop = asyncio.get_event_loop()
-        loop.run_until_complete(_shutdown())
-    except Exception as e:
-        print(str(e))
-        if Arguments().debug:
-            traceback.print_exc()
--- a/pytchat/cli/echo.py
+++ b/pytchat/cli/echo.py
@@ -1,22 +0,0 @@
-import pytchat
-from ..exceptions import ChatDataFinished, NoContents
-from ..util.extract_video_id import extract_video_id
-
-
-class Echo:
-    def __init__(self, video_id):
-        self.video_id = extract_video_id(video_id)
-    
-    def run(self):
-        livechat = pytchat.create(self.video_id)
-        while livechat.is_alive():
-            chatdata = livechat.get()
-            for c in chatdata.sync_items():
-                print(f"{c.datetime} [{c.author.name}] {c.message} {c.amountString}")
-        
-        try:
-            livechat.raise_for_status()
-        except (ChatDataFinished, NoContents):
-            print("Chat finished.")
-        except Exception as e:
-            print(type(e), str(e))
--- a/pytchat/cli/progressbar.py
+++ b/pytchat/cli/progressbar.py
@@ -1,54 +0,0 @@
-'''
-This code is based on
-vladignatyev/progress.py
-https://gist.github.com/vladignatyev/06860ec2040cb497f0f3
-(MIT License)
-'''
-import shutil
-import sys
-
-
-class ProgressBar:
-    def __init__(self, total, status_txt):
-        self._bar_len = 60
-        self._cancelled = False
-        self.reset(total=total, status_txt=status_txt)
-        
-    def reset(self, symbol_done="=", symbol_space=" ", total=100, status_txt=''):
-        self._console_width = shutil.get_terminal_size(fallback=(80, 24)).columns
-        self._symbol_done = symbol_done
-        self._symbol_space = symbol_space
-        self._total = total
-        self._status_txt = status_txt
-        self._count = 0
-
-    def disp(self, _, fetched):
-        self._progress(fetched, self._total)
-
-    def _progress(self, fillin, total):
-        if total == 0 or self._cancelled:
-            return
-        self._count += fillin
-        filled_len = int(round(self._bar_len * self._count / float(total)))
-        percents = round(100.0 * self._count / float(total), 1)
-        if percents > 100:
-            percents = 100.0
-        if filled_len > self._bar_len:
-            filled_len = self._bar_len
-            
-        bar = self._symbol_done * filled_len + \
-              self._symbol_space * (self._bar_len - filled_len)
-        disp = f" [{bar}] {percents:>5.1f}% ...{self._status_txt} "[:self._console_width - 1] + '\r'
-
-        sys.stdout.write(disp)
-        sys.stdout.flush()
-
-    def close(self):
-        if not self._cancelled:
-            self._progress(self._total, self._total)
-
-    def cancel(self):
-        self._cancelled = True
-    
-    def is_cancelled(self):
-        return self._cancelled
--- a/pytchat/cli/singleton.py
+++ b/pytchat/cli/singleton.py
@@ -1,21 +0,0 @@
-'''
-This modules refer to
-Petter Kraabøl's Twitch-Chat-Downloader
-https://github.com/PetterKraabol/Twitch-Chat-Downloader
-(MIT License)
-'''
-
-
-class Singleton(type):
-    """
-    Abstract class for singletons
-    """
-    _instances = {}
-
-    def __call__(cls, *args, **kwargs):
-        if cls not in cls._instances:
-            cls._instances[cls] = super().__call__(*args, **kwargs)
-        return cls._instances[cls]
-
-    def get_instance(cls, *args, **kwargs):
-        cls.__call__(*args, **kwargs)
--- a/pytchat/config/init.py
+++ b/pytchat/config/init.py
@@ -1,8 +1,14 @@
 import logging  # noqa
 from . import mylogger
+from base64 import a85decode as dc
 headers = {
-    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.135 Safari/537.36',
+    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.183 Safari/537.36 Edg/86.0.622.63,gzip(gfe)',
 }
+m_headers = {
+    'user-agent': 'Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Mobile Safari/537.36 Edg/91.0.864.59',
+}
+_sml = dc(b"BQS?8F#ks-GB\\6`H#IhIF^eo7@rH3;H#IhIF^eor06T''Ch\\'(?XmbXF>%9<FC/iuG%G#jBOQ!ICLqcS5tQB2;gCZ)?UdXC;f$GR3)MM2<(0>O7mh!,G@+K5?SO9T@okV").decode()
+_smr = dc(b"BQS?8F#ks-GB\\6`H#IhIF^eo7@rH3;H#IhIF^eor06T''Ch\\'(?XmbXF>%9<FC/iuG%G#jBOQ!iEb03+@<k(QAU-F)8U=fDGsP557S5F7CiNH7;)D3N77^*B6YU@\\?WfBr0emZX=#^").decode()


 def logger(module_name: str, loglevel=None):
--- a/pytchat/core/init.py
+++ b/pytchat/core/init.py
@@ -1,5 +1,5 @@
 from .pytchat import PytchatCore
-from .. util.extract_video_id import extract_video_id
+from .. util import extract_video_id


 def create(video_id: str, **kwargs):
--- a/pytchat/core/pytchat.py
+++ b/pytchat/core/pytchat.py
@@ -3,19 +3,17 @@ import json
 import signal
 import time
 import traceback
-import urllib.parse
 from ..parser.live import Parser
 from .. import config
 from .. import exceptions
 from ..paramgen import liveparam, arcparam
 from ..processors.default.processor import DefaultProcessor
 from ..processors.combinator import Combinator
-from ..util.extract_video_id import extract_video_id
+from .. import util

 headers = config.headers
 MAX_RETRY = 10

-
 class PytchatCore:
    '''

@@ -31,9 +29,13 @@ class PytchatCore:

    processor : ChatProcessor

+    client : httpx.Client
+        The client for connecting youtube.
+        You can specify any customized httpx client (e.g. coolies, user agent).
+
    interruptable : bool
        Allows keyboard interrupts.
-        Set this parameter to False if your own threading program causes
+        Set this parameter to False if your own multi-threading program causes
        the problem.

    force_replay : bool
@@ -46,54 +48,65 @@ class PytchatCore:
        If True, when exceptions occur, the exception is held internally,
        and can be raised by raise_for_status().

+    replay_continuation : str
+        If this parameter is not None, the processor will attempt to get chat data from continuation.
+        This parameter is only allowed in archived mode.
+
    Attributes
    ---------
    _is_alive : bool
        Flag to stop getting chat.
    '''

-    _setup_finished = False
-
    def __init__(self, video_id,
                 seektime=-1,
                 processor=DefaultProcessor(),
+                 client = httpx.Client(http2=True),
                 interruptable=True,
                 force_replay=False,
                 topchat_only=False,
                 hold_exception=True,
                 logger=config.logger(__name__),
+                 replay_continuation=None
                 ):
-        self._video_id = extract_video_id(video_id)
+        self._client = client
+        self._video_id = util.extract_video_id(video_id)
        self.seektime = seektime
        if isinstance(processor, tuple):
            self.processor = Combinator(processor)
        else:
            self.processor = processor
        self._is_alive = True
-        self._is_replay = force_replay
+        self._is_replay = force_replay or (replay_continuation is not None)
        self._hold_exception = hold_exception
        self._exception_holder = None
        self._parser = Parser(
            is_replay=self._is_replay,
            exception_holder=self._exception_holder
        )
-        self._first_fetch = True
-        self._fetch_url = "live_chat/get_live_chat?continuation="
+        self._first_fetch = replay_continuation is None
+        self._fetch_url = config._sml if replay_continuation is None else config._smr
        self._topchat_only = topchat_only
+        self._dat = ''
+        self._last_offset_ms = 0
        self._logger = logger
+        self.continuation = replay_continuation
        if interruptable:
            signal.signal(signal.SIGINT, lambda a, b: self.terminate())
        self._setup()

    def _setup(self):
+        if not self.continuation:
            time.sleep(0.1)  # sleep shortly to prohibit skipping fetching data
            """Fetch first continuation parameter,
            create and start _listen loop.
            """
-        self.continuation = liveparam.getparam(self._video_id, 3)
+            self.continuation = liveparam.getparam(
+                self._video_id,
+                channel_id=util.get_channelid(self._client, self._video_id),
+                past_sec=3)

    def _get_chat_component(self):
-        
        ''' Fetch chat data and store them into buffer,
        get next continuaiton parameter and loop.

@@ -103,9 +116,8 @@ class PytchatCore:
            parameter for next chat data
        '''
        try:
-            with httpx.Client(http2=True) as client:
            if self.continuation and self._is_alive:
-                    contents = self._get_contents(self.continuation, client, headers)
+                contents = self._get_contents(self.continuation, self._client, headers)
                metadata, chatdata = self._parser.parse(contents)
                timeout = metadata['timeoutMs'] / 1000
                chat_component = {
@@ -114,6 +126,7 @@ class PytchatCore:
                    "chatdata": chatdata
                }
                self.continuation = metadata.get('continuation')
+                self._last_offset_ms = metadata.get('last_offset_ms', 0)
                return chat_component
        except exceptions.ChatParseException as e:
            self._logger.debug(f"[{self._video_id}]{str(e)}")
@@ -131,40 +144,43 @@ class PytchatCore:
          -------
            'continuationContents' which includes metadata & chat data.
        '''
-        livechat_json = (
-            self._get_livechat_json(continuation, client, headers)
-        )
-        contents = self._parser.get_contents(livechat_json)
+        livechat_json = self._get_livechat_json(
+            continuation, client, replay=self._is_replay, offset_ms=self._last_offset_ms)
+        contents, dat = self._parser.get_contents(livechat_json)
+        if self._dat == '' and dat:
+            self._dat = dat
        if self._first_fetch:
            if contents is None or self._is_replay:
                '''Try to fetch archive chat data.'''
                self._parser.is_replay = True
-                self._fetch_url = "live_chat_replay/get_live_chat_replay?continuation="
+                self._fetch_url = config._smr
                continuation = arcparam.getparam(
-                    self._video_id, self.seektime, self._topchat_only)
-                livechat_json = (self._get_livechat_json(continuation, client, headers))
+                    self._video_id, self.seektime, self._topchat_only, util.get_channelid(client, self._video_id))
+                livechat_json = self._get_livechat_json(
+                    continuation, client, replay=True, offset_ms=self.seektime * 1000)
                reload_continuation = self._parser.reload_continuation(
-                    self._parser.get_contents(livechat_json))
+                    self._parser.get_contents(livechat_json)[0])
                if reload_continuation:
                    livechat_json = (self._get_livechat_json(
                        reload_continuation, client, headers))
-                contents = self._parser.get_contents(livechat_json)
+                contents, _ = self._parser.get_contents(livechat_json)
                self._is_replay = True
            self._first_fetch = False
        return contents

-    def _get_livechat_json(self, continuation, client, headers):
+    def _get_livechat_json(self, continuation, client, replay: bool, offset_ms: int = 0):
        '''
        Get json which includes chat data.
        '''
-        continuation = urllib.parse.quote(continuation)
        livechat_json = None
        err = None
-        url = f"https://www.youtube.com/{self._fetch_url}{continuation}&pbj=1"
+        if offset_ms < 0:
+            offset_ms = 0
+        param = util.get_param(continuation, dat=self._dat, replay=replay, offsetms=offset_ms)
        for _ in range(MAX_RETRY + 1):
-            with client:
            try:
-                    livechat_json = client.get(url, headers=headers).json()
+                response = client.post(self._fetch_url, json=param)
+                livechat_json = response.json()
                break
            except (json.JSONDecodeError, httpx.ConnectTimeout, httpx.ReadTimeout, httpx.ConnectError) as e:
                err = e
@@ -190,6 +206,8 @@ class PytchatCore:
        return self._is_alive

    def terminate(self):
+        if not self.is_alive():
+            return
        self._is_alive = False
        self.processor.finalize()

--- a/pytchat/core_async/livechat.py
+++ b/pytchat/core_async/livechat.py
@@ -5,17 +5,16 @@ import json
 import signal
 import time
 import traceback
-import urllib.parse
 from asyncio import Queue
 from concurrent.futures import CancelledError
 from .buffer import Buffer
 from ..parser.live import Parser
 from .. import config
 from .. import exceptions
+from .. import util
 from ..paramgen import liveparam, arcparam
 from ..processors.default.processor import DefaultProcessor
 from ..processors.combinator import Combinator
-from ..util.extract_video_id import extract_video_id

 headers = config.headers
 MAX_RETRY = 10
@@ -63,6 +62,10 @@ class LiveChatAsync:
    topchat_only : bool
        If True, get only top chat.

+    replay_continuation : str
+        If this parameter is not None, the processor will attempt to get chat data from continuation.
+        This parameter is only allowed in archived mode.
+
    Attributes
    ---------
    _is_alive : bool
@@ -75,6 +78,7 @@ class LiveChatAsync:
                 seektime=-1,
                 processor=DefaultProcessor(),
                 buffer=None,
+                 client = httpx.AsyncClient(http2=True),
                 interruptable=True,
                 callback=None,
                 done_callback=None,
@@ -83,8 +87,10 @@ class LiveChatAsync:
                 force_replay=False,
                 topchat_only=False,
                 logger=config.logger(__name__),
+                 replay_continuation=None
                 ):
-        self._video_id = extract_video_id(video_id)
+        self._client:httpx.AsyncClient = client
+        self._video_id = util.extract_video_id(video_id)
        self.seektime = seektime
        if isinstance(processor, tuple):
            self.processor = Combinator(processor)
@@ -96,15 +102,18 @@ class LiveChatAsync:
        self._exception_handler = exception_handler
        self._direct_mode = direct_mode
        self._is_alive = True
-        self._is_replay = force_replay
+        self._is_replay = force_replay or (replay_continuation is not None)
        self._parser = Parser(is_replay=self._is_replay)
        self._pauser = Queue()
        self._pauser.put_nowait(None)
-        self._first_fetch = True
-        self._fetch_url = "live_chat/get_live_chat?continuation="
+        self._first_fetch = replay_continuation is None
+        self._fetch_url = config._sml if replay_continuation is None else config._smr
        self._topchat_only = topchat_only
+        self._dat = ''
+        self._last_offset_ms = 0
        self._logger = logger
        self.exception = None
+        self.continuation = replay_continuation
        LiveChatAsync._logger = logger

        if exception_handler:
@@ -144,8 +153,14 @@ class LiveChatAsync:
        """Fetch first continuation parameter,
        create and start _listen loop.
        """
-        initial_continuation = liveparam.getparam(self._video_id, 3)
-        await self._listen(initial_continuation)
+        if not self.continuation:
+            channel_id = await util.get_channelid_async(self._client, self._video_id)
+            self.continuation = liveparam.getparam(
+                self._video_id,
+                channel_id,
+                past_sec=3)
+
+        await self._listen(self.continuation)

    async def _listen(self, continuation):
        ''' Fetch chat data and store them into buffer,
@@ -157,13 +172,14 @@ class LiveChatAsync:
            parameter for next chat data
        '''
        try:
-            async with httpx.AsyncClient(http2=True) as client:
+            async with self._client as client:
                while(continuation and self._is_alive):
                    continuation = await self._check_pause(continuation)
-                    contents = await self._get_contents(
-                        continuation, client, headers)
+                    contents = await self._get_contents(continuation, client, headers) #Q#
                    metadata, chatdata = self._parser.parse(contents)
-
+                    continuation = metadata.get('continuation')
+                    if continuation:
+                        self.continuation = continuation
                    timeout = metadata['timeoutMs'] / 1000
                    chat_component = {
                        "video_id": self._video_id,
@@ -182,17 +198,16 @@ class LiveChatAsync:
                        await self._buffer.put(chat_component)
                    diff_time = timeout - (time.time() - time_mark)
                    await asyncio.sleep(diff_time)
-                    continuation = metadata.get('continuation')
+                    self._last_offset_ms = metadata.get('last_offset_ms', 0)
        except exceptions.ChatParseException as e:
            self._logger.debug(f"[{self._video_id}]{str(e)}")
            raise
        except Exception:
-            self._logger.error(f"{traceback.format_exc(limit = -1)}")
+            self._logger.error(f"{traceback.format_exc(limit=-1)}")
            raise

        self._logger.debug(f"[{self._video_id}] finished fetching chat.")

-
    async def _check_pause(self, continuation):
        if self._pauser.empty():
            '''pause'''
@@ -202,8 +217,12 @@ class LiveChatAsync:
            '''
            self._pauser.put_nowait(None)
            if not self._is_replay:
-                continuation = liveparam.getparam(
-                    self._video_id, 3, self._topchat_only)
+                async with self._client as client:
+                    channel_id = await util.get_channelid_async(client, self.video_id)
+                    continuation = liveparam.getparam(self._video_id, 
+                                    channel_id,
+                                    past_sec=3)
+                    
        return continuation

    async def _get_contents(self, continuation, client, headers):
@@ -215,46 +234,50 @@ class LiveChatAsync:
          -------
            'continuationContents' which includes metadata & chatdata.
        '''
-        livechat_json = await self._get_livechat_json(continuation, client, headers)
-        contents = self._parser.get_contents(livechat_json)
+        livechat_json = await self._get_livechat_json(continuation, client, replay=self._is_replay, offset_ms=self._last_offset_ms)
+        contents, dat = self._parser.get_contents(livechat_json)
+        if self._dat == '' and dat:
+            self._dat = dat
        if self._first_fetch:
            if contents is None or self._is_replay:
                '''Try to fetch archive chat data.'''
                self._parser.is_replay = True
-                self._fetch_url = "live_chat_replay/get_live_chat_replay?continuation="
+                self._fetch_url = config._smr
+                channelid = await util.get_channelid_async(client, self._video_id)
                continuation = arcparam.getparam(
-                    self._video_id, self.seektime, self._topchat_only)
+                    self._video_id, self.seektime, self._topchat_only, channelid)
                livechat_json = (await self._get_livechat_json(
-                                 continuation, client, headers))
+                                 continuation, client, replay=True, offset_ms=self.seektime * 1000))
                reload_continuation = self._parser.reload_continuation(
-                    self._parser.get_contents(livechat_json))
+                    self._parser.get_contents(livechat_json)[0])
                if reload_continuation:
                    livechat_json = (await self._get_livechat_json(
                        reload_continuation, client, headers))
-                contents = self._parser.get_contents(livechat_json)
+                contents, _ = self._parser.get_contents(livechat_json)
                self._is_replay = True
            self._first_fetch = False
        return contents

-    async def _get_livechat_json(self, continuation, client, headers):
+    async def _get_livechat_json(self, continuation, client, replay: bool, offset_ms: int = 0):
        '''
        Get json which includes chat data.
        '''
-        continuation = urllib.parse.quote(continuation)
        livechat_json = None
-        url = f"https://www.youtube.com/{self._fetch_url}{continuation}&pbj=1"
+        if offset_ms < 0:
+            offset_ms = 0
+        param = util.get_param(continuation, dat=self._dat, replay=replay, offsetms=offset_ms)
        for _ in range(MAX_RETRY + 1):
            try:
-                resp = await client.get(url, headers=headers)
+                resp = await client.post(self._fetch_url, json=param)
                livechat_json = resp.json()
                break
            except (json.JSONDecodeError, httpx.HTTPError):
-                await asyncio.sleep(1)
+                await asyncio.sleep(2)
                continue
        else:
            self._logger.error(f"[{self._video_id}]"
                               f"Exceeded retry count.")
-            return None
+            raise exceptions.RetryExceedMaxCount()
        return livechat_json

    async def _callback_loop(self, callback):
@@ -319,6 +342,8 @@ class LiveChatAsync:
            self._logger.debug(f'[{self._video_id}] cancelled:{sender}')

    def terminate(self):
+        if not self.is_alive():
+            return 
        if self._pauser.empty():
            self._pauser.put_nowait(None)
        self._is_alive = False
@@ -330,9 +355,6 @@ class LiveChatAsync:
        self.terminate()

    def _task_finished(self):
-        '''
-        Terminate fetching chats.
-        '''
        if self.is_alive():
            self.terminate()
        try:
--- a/pytchat/core_multithread/livechat.py
+++ b/pytchat/core_multithread/livechat.py
@@ -3,7 +3,6 @@ import json
 import signal
 import time
 import traceback
-import urllib.parse
 from concurrent.futures import CancelledError, ThreadPoolExecutor
 from queue import Queue
 from threading import Event
@@ -11,10 +10,10 @@ from .buffer import Buffer
 from ..parser.live import Parser
 from .. import config
 from .. import exceptions
+from .. import util
 from ..paramgen import liveparam, arcparam
 from ..processors.default.processor import DefaultProcessor
 from ..processors.combinator import Combinator
-from ..util.extract_video_id import extract_video_id

 headers = config.headers
 MAX_RETRY = 10
@@ -61,6 +60,10 @@ class LiveChat:
    topchat_only : bool
        If True, get only top chat.

+    replay_continuation : str
+        If this parameter is not None, the processor will attempt to get chat data from continuation.
+        This parameter is only allowed in archived mode.
+
    Attributes
    ---------
    _executor : ThreadPoolExecutor
@@ -75,6 +78,7 @@ class LiveChat:
    def __init__(self, video_id,
                 seektime=-1,
                 processor=DefaultProcessor(),
+                 client = httpx.Client(http2=True),
                 buffer=None,
                 interruptable=True,
                 callback=None,
@@ -82,9 +86,11 @@ class LiveChat:
                 direct_mode=False,
                 force_replay=False,
                 topchat_only=False,
-                 logger=config.logger(__name__)
+                 logger=config.logger(__name__),
+                 replay_continuation=None
                 ):
-        self._video_id = extract_video_id(video_id)
+        self._client = client
+        self._video_id = util.extract_video_id(video_id)
        self.seektime = seektime
        if isinstance(processor, tuple):
            self.processor = Combinator(processor)
@@ -96,15 +102,19 @@ class LiveChat:
        self._executor = ThreadPoolExecutor(max_workers=2)
        self._direct_mode = direct_mode
        self._is_alive = True
-        self._is_replay = force_replay
+        self._is_replay = force_replay or (replay_continuation is not None)
        self._parser = Parser(is_replay=self._is_replay)
        self._pauser = Queue()
        self._pauser.put_nowait(None)
-        self._first_fetch = True
-        self._fetch_url = "live_chat/get_live_chat?continuation="
+        self._first_fetch = replay_continuation is None
+        self._fetch_url = config._sml if replay_continuation is None else config._smr
        self._topchat_only = topchat_only
-        self._event = Event()
+        self._dat = ''
+        self._last_offset_ms = 0
        self._logger = logger
+        self._event = Event()
+        self.continuation = replay_continuation
+
        self.exception = None
        if interruptable:
            signal.signal(signal.SIGINT, lambda a, b: self.terminate())
@@ -139,8 +149,12 @@ class LiveChat:
        """Fetch first continuation parameter,
        create and start _listen loop.
        """
-        initial_continuation = liveparam.getparam(self._video_id, 3)
-        self._listen(initial_continuation)
+        if not self.continuation:
+            self.continuation = liveparam.getparam(
+                self._video_id,
+                channel_id=util.get_channelid(self._client, self._video_id),
+                past_sec=3)
+        self._listen(self.continuation)

    def _listen(self, continuation):
        ''' Fetch chat data and store them into buffer,
@@ -152,11 +166,14 @@ class LiveChat:
            parameter for next chat data
        '''
        try:
-            with httpx.Client(http2=True) as client:
+            with self._client as client:
                while(continuation and self._is_alive):
                    continuation = self._check_pause(continuation)
                    contents = self._get_contents(continuation, client, headers)
                    metadata, chatdata = self._parser.parse(contents)
+                    continuation = metadata.get('continuation')
+                    if continuation:
+                        self.continuation = continuation
                    timeout = metadata['timeoutMs'] / 1000
                    chat_component = {
                        "video_id": self._video_id,
@@ -175,7 +192,7 @@ class LiveChat:
                        self._buffer.put(chat_component)
                    diff_time = timeout - (time.time() - time_mark)
                    self._event.wait(diff_time if diff_time > 0 else 0)
-                    continuation = metadata.get('continuation')
+                    self._last_offset_ms = metadata.get('last_offset_ms', 0)
        except exceptions.ChatParseException as e:
            self._logger.debug(f"[{self._video_id}]{str(e)}")
            raise
@@ -185,7 +202,6 @@ class LiveChat:

        self._logger.debug(f"[{self._video_id}] finished fetching chat.")

-
    def _check_pause(self, continuation):
        if self._pauser.empty():
            '''pause'''
@@ -195,7 +211,10 @@ class LiveChat:
            '''
            self._pauser.put_nowait(None)
            if not self._is_replay:
-                continuation = liveparam.getparam(self._video_id, 3)
+                continuation = liveparam.getparam(
+                    self._video_id, channel_id=util.get_channelid(httpx.Client(http2=True), self._video_id),
+                    past_sec=3, topchat_only=self._topchat_only)
+
        return continuation

    def _get_contents(self, continuation, client, headers):
@@ -207,39 +226,42 @@ class LiveChat:
          -------
            'continuationContents' which includes metadata & chat data.
        '''
-        livechat_json = (
-            self._get_livechat_json(continuation, client, headers)
-        )
-        contents = self._parser.get_contents(livechat_json)
+        livechat_json = self._get_livechat_json(
+            continuation, client, replay=self._is_replay, offset_ms=self._last_offset_ms)
+        contents, dat = self._parser.get_contents(livechat_json)
+        if self._dat == '' and dat:
+            self._dat = dat
        if self._first_fetch:
            if contents is None or self._is_replay:
                '''Try to fetch archive chat data.'''
                self._parser.is_replay = True
-                self._fetch_url = "live_chat_replay/get_live_chat_replay?continuation="
+                self._fetch_url = config._smr
                continuation = arcparam.getparam(
-                    self._video_id, self.seektime, self._topchat_only)
-                livechat_json = (self._get_livechat_json(continuation, client, headers))
+                    self._video_id, self.seektime, self._topchat_only, util.get_channelid(client, self._video_id))
+                livechat_json = self._get_livechat_json(
+                    continuation, client, replay=True, offset_ms=self.seektime * 1000)
                reload_continuation = self._parser.reload_continuation(
-                    self._parser.get_contents(livechat_json))
+                    self._parser.get_contents(livechat_json)[0])
                if reload_continuation:
                    livechat_json = (self._get_livechat_json(
                        reload_continuation, client, headers))
-                contents = self._parser.get_contents(livechat_json)
+                contents, _ = self._parser.get_contents(livechat_json)
                self._is_replay = True
            self._first_fetch = False
        return contents

-    def _get_livechat_json(self, continuation, client, headers):
+    def _get_livechat_json(self, continuation, client, replay: bool, offset_ms: int = 0):
        '''
        Get json which includes chat data.
        '''
-        continuation = urllib.parse.quote(continuation)
        livechat_json = None
-        url = f"https://www.youtube.com/{self._fetch_url}{continuation}&pbj=1"
+        if offset_ms < 0:
+            offset_ms = 0
+        param = util.get_param(continuation, dat=self._dat, replay=replay, offsetms=offset_ms)
        for _ in range(MAX_RETRY + 1):
-            with client:
            try:
-                    livechat_json = client.get(url, headers=headers).json()
+                response = client.post(self._fetch_url, json=param)
+                livechat_json = response.json()
                break
            except (json.JSONDecodeError, httpx.HTTPError):
                time.sleep(2)
@@ -312,9 +334,8 @@ class LiveChat:
            self._logger.debug(f'[{self._video_id}] cancelled:{sender}')

    def terminate(self):
-        '''
-        Terminate fetching chats.
-        '''
+        if not self.is_alive():
+            return
        if self._pauser.empty():
            self._pauser.put_nowait(None)
        self._is_alive = False
--- a/pytchat/paramgen/arcparam.py
+++ b/pytchat/paramgen/arcparam.py
@@ -1,55 +1,37 @@
-from .pb.header_pb2 import Header
-from .pb.replay_pb2 import Continuation
+from . import enc
+from base64 import urlsafe_b64encode as b64enc
 from urllib.parse import quote
-import base64
-
-'''
-Generate continuation parameter of youtube replay chat.
-
-Author: taizan-hokuto
-
-ver 0.0.1 2019.10.05 : Initial release.
-ver 0.0.2 2020.05.30 : Use Protocol Buffers.
-'''


-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 _header(video_id, channel_id) -> str:
+    S1_3 = enc.rs(1, video_id)
+    S1_5 = enc.rs(1, channel_id) + enc.rs(2, video_id)
+    S1 = enc.rs(3, S1_3) + enc.rs(5, S1_5)
+    S3 = enc.rs(48687757, enc.rs(1, video_id))
+    header_replay = enc.rs(1, S1) + enc.rs(3, S3) + enc.nm(4, 1)
+    return b64enc(header_replay)


-def _build(video_id, seektime, topchat_only) -> str:
-    chattype = 1
-    timestamp = 0
-    if topchat_only:
-        chattype = 4
-
-    fetch_before_start = 3
+def _build(video_id, seektime, topchat_only, channel_id) -> str:
+    chattype = 4 if topchat_only else 1
    if seektime < 0:
-        fetch_before_start = 4
-    elif seektime == 0:
-        timestamp = 1
-    else:
+        seektime = 0
    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())
+    header = enc.rs(3, _header(video_id, channel_id))
+    timestamp = enc.nm(5, timestamp)
+    s6 = enc.nm(6, 0)
+    s7 = enc.nm(7, 0)
+    s8 = enc.nm(8, 0)
+    s9 = enc.nm(9, 4)
+    s10 = enc.rs(10, enc.nm(4, 0))
+    chattype = enc.rs(14, enc.nm(1, 4))
+    s15 = enc.nm(15, 0)
+    entity = b''.join((header, timestamp, s6, s7, s8, s9, s10, chattype, s15))
+    continuation = enc.rs(156074452, entity)
+    return quote(b64enc(continuation).decode())


-def getparam(video_id, seektime=-1, topchat_only=False) -> str:
+def getparam(video_id, seektime=0, topchat_only=False, channel_id='') -> str:
    '''
    Parameter
    ---------
@@ -59,4 +41,4 @@ def getparam(video_id, seektime=-1, topchat_only=False) -> str:
    topchat_only : bool
        if True, fetch only 'top chat'
    '''
-    return _build(video_id, seektime, topchat_only)
+    return _build(video_id, seektime, topchat_only, channel_id)
--- a/pytchat/paramgen/enc.py
+++ b/pytchat/paramgen/enc.py
@@ -0,0 +1,24 @@
+def vn(val):
+    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 tp(a, b, ary):
+    return vn((b << 3) | a) + ary
+
+
+def rs(a, ary):
+    if isinstance(ary, str):
+        ary = ary.encode()
+    return tp(2, a, vn(len(ary)) + ary)
+
+
+def nm(a, ary):
+    return tp(0, a, vn(ary))
--- a/pytchat/paramgen/liveparam.py
+++ b/pytchat/paramgen/liveparam.py
@@ -1,69 +1,51 @@
-from .pb.header_pb2 import Header
-from .pb.live_pb2 import Continuation
-from urllib.parse import quote
-import base64
 import random
 import time
-
-'''
-Generate continuation parameter of youtube live chat.
-
-Author: taizan-hokuto
-
-ver 0.0.1 2019.10.05 : Initial release.
-ver 0.0.2 2020.05.30 : Use Protocol Buffers.
-'''
+from . import enc
+from base64 import urlsafe_b64encode as b64enc
+from urllib.parse import quote


-def _gen_vid(video_id) -> str:
-    """generate video_id parameter.
-    Parameter
-    ---------
-        video_id : str
-
-    Return
-    ---------
-    str : base64 encoded video_id parameter.
-    """
-    header = Header()
-    header.info.video.id = video_id
-    header.terminator = 1
-    return base64.urlsafe_b64encode(header.SerializeToString()).decode()
+def _header(video_id, channel_id) -> str:
+    S1_3 = enc.rs(1, video_id)
+    S1_5 = enc.rs(1, channel_id) + enc.rs(2, video_id)
+    S1 = enc.rs(3, S1_3) + enc.rs(5, S1_5)
+    S3 = enc.rs(48687757, enc.rs(1, video_id))
+    header_replay = enc.rs(1, S1) + enc.rs(3, S3) + enc.nm(4, 1)
+    return b64enc(header_replay)


-def _build(video_id, ts1, ts2, ts3, ts4, ts5, topchat_only) -> str:
-    chattype = 1
-    if topchat_only:
-        chattype = 4
-    continuation = Continuation()
-    entity = continuation.entity
+def _build(video_id, channel_id, ts1, ts2, ts3, ts4, ts5, topchat_only) -> str:
+    chattype = 4 if topchat_only else 1

-    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
+    b1 = enc.nm(1, 0)
+    b2 = enc.nm(2, 0)
+    b3 = enc.nm(3, 0)
+    b4 = enc.nm(4, 0)
+    b7 = enc.rs(7, '')
+    b8 = enc.nm(8, 0)
+    b9 = enc.rs(9, '')
+    timestamp2 = enc.nm(10, ts2)
+    b11 = enc.nm(11, 3)
+    b15 = enc.nm(15, 0)

-    return quote(
-        base64.urlsafe_b64encode(continuation.SerializeToString()).decode()
-    )
+    header = enc.rs(3, _header(video_id, channel_id))
+    timestamp1 = enc.nm(5, ts1)
+    s6 = enc.nm(6, 0)
+    s7 = enc.nm(7, 0)
+    s8 = enc.nm(8, 1)
+    body = enc.rs(9, b''.join(
+        (b1, b2, b3, b4, b7, b8, b9, timestamp2, b11, b15)))
+    timestamp3 = enc.nm(10, ts3)
+    timestamp4 = enc.nm(11, ts4)
+    s13 = enc.nm(13, chattype)
+    chattype = enc.rs(16, enc.nm(1, chattype))
+    s17 = enc.nm(17, 0)
+    str19 = enc.rs(19, enc.nm(1, 0))
+    timestamp5 = enc.nm(20, ts5)
+    entity = b''.join((header, timestamp1, s6, s7, s8, body, timestamp3,
+                       timestamp4, s13, chattype, s17, str19, timestamp5))
+    continuation = enc.rs(119693434, entity)
+    return quote(b64enc(continuation).decode())


 def _times(past_sec):
@@ -76,7 +58,7 @@ 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) -> str:
+def getparam(video_id, channel_id, past_sec=0, topchat_only=False) -> str:
    '''
    Parameter
    ---------
@@ -85,4 +67,4 @@ def getparam(video_id, past_sec=0, topchat_only=False) -> str:
    topchat_only : bool
        if True, fetch only 'top chat'
    '''
-    return _build(video_id, *_times(past_sec), topchat_only)
+    return _build(video_id, channel_id, *_times(past_sec), topchat_only)
--- 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
@@ -1,159 +0,0 @@
-# -*- 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
@@ -1,381 +0,0 @@
-# -*- 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
@@ -1,215 +0,0 @@
-# -*- 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
@@ -1,14 +0,0 @@
-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
@@ -1,45 +0,0 @@
-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
@@ -1,24 +0,0 @@
-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
@@ -28,11 +28,12 @@ class Parser:
    def get_contents(self, jsn):
        if jsn is None:
            self.raise_exception(exceptions.IllegalFunctionCall('Called with none JSON object.'))
-        if jsn['response']['responseContext'].get('errors'):
+        if jsn.get("responseContext", {}).get("errors"):
            raise exceptions.ResponseContextError(
                'The video_id would be wrong, or video is deleted or private.')
-        contents = jsn['response'].get('continuationContents')
-        return contents
+        contents = jsn.get('continuationContents')
+        visitor_data = jsn.get("responseContext", {}).get("visitorData")
+        return contents, visitor_data

    def parse(self, contents):
        """
@@ -85,6 +86,7 @@ class Parser:
            '''Broadcasting end or cannot fetch chat stream'''
            self.raise_exception(exceptions.NoContents('Chat data stream is empty.'))
        cont = contents['liveChatContinuation']['continuations'][0]
+
        if cont.get("liveChatReplayContinuationData"):
            # chat data exist.
            return None
@@ -97,23 +99,22 @@ class Parser:
    def _create_data(self, metadata, contents):
        actions = contents['liveChatContinuation'].get('actions')
        if self.is_replay:
-            interval = self._get_interval(actions)
-            metadata.setdefault("timeoutMs", interval)
+            last_offset_ms = self._get_lastoffset(actions)
+            metadata.setdefault("timeoutMs", 5000)
+            metadata.setdefault("last_offset_ms", last_offset_ms)
            """Archived chat has different structures than live chat,
            so make it the same format."""
            chatdata = [action["replayChatItemAction"]["actions"][0]
                        for action in actions]
        else:
-            metadata.setdefault('timeoutMs', 10000)
+            metadata.setdefault('timeoutMs', 5000)
            chatdata = actions
        return metadata, chatdata

-    def _get_interval(self, actions: list):
-        if actions is None:
+    def _get_lastoffset(self, actions: list):
+        if actions:
+            return int(actions[-1]["replayChatItemAction"]["videoOffsetTimeMsec"])
        return 0
-        start = int(actions[0]["replayChatItemAction"]["videoOffsetTimeMsec"])
-        last = int(actions[-1]["replayChatItemAction"]["videoOffsetTimeMsec"])
-        return (last - start)

    def raise_exception(self, exception):
        if self.exception_holder is None:
--- a/pytchat/processors/compatible/renderer/base.py
+++ b/pytchat/processors/compatible/renderer/base.py
@@ -1,5 +1,6 @@
-import datetime
-import pytz
+from datetime import datetime, timedelta, timezone
+
+TZ_UTC = timezone(timedelta(0), 'UTC')


 class BaseRenderer:
@@ -62,13 +63,13 @@ class BaseRenderer:
        if badges:
            for badge in badges:
                author_type = badge["liveChatAuthorBadgeRenderer"]["accessibility"]["accessibilityData"]["label"]
-                if author_type == '確認済み':
+                if author_type == 'VERIFIED' or author_type == '確認済み':
                    isVerified = True
-                if author_type == '所有者':
+                if author_type == 'OWNER' or author_type == '所有者':
                    isChatOwner = True
-                if 'メンバー' in author_type:
+                if 'メンバー' in author_type or 'MEMBER' in author_type:
                    isChatSponsor = True
-                if author_type == 'モデレーター':
+                if author_type == 'MODERATOR' or author_type == 'モデレーター':
                    isChatModerator = True
        return isVerified, isChatOwner, isChatSponsor, isChatModerator

@@ -76,6 +77,6 @@ class BaseRenderer:
        return self.renderer.get('id')

    def get_publishedat(self, timestamp):
-        dt = datetime.datetime.fromtimestamp(int(timestamp) / 1000000)
-        return dt.astimezone(pytz.utc).isoformat(
+        dt = datetime.fromtimestamp(int(timestamp) / 1000000)
+        return dt.astimezone(TZ_UTC).isoformat(
            timespec='milliseconds').replace('+00:00', 'Z')
--- a/pytchat/processors/compatible/renderer/currency.py
+++ b/pytchat/processors/compatible/renderer/currency.py
@@ -1,12 +1,12 @@
 '''
-YouTubeスーパーチャットで使用される通貨の記号とレート検索用の略号の
-対応表
+Table of symbols for the currencies used in YouTube Superchat.
+
 Key：
-    YouTubeスーパーチャットで使用される通貨の記号
-    （アルファベットで終わる場合、0xA0(&npsp)が付く）
+     Currency symbols used in YouTube Super Chat
+     If it ends with an alphabet, it will be followed by 0xA0(&npsp).
 Value:
-    fxtext: 3文字の通貨略称
-    jptest: 日本語テキスト
+    fxtext: ISO 4217 currency code
+    jptest: japanese text
 '''
 symbols = {
    "$": {"fxtext": "USD", "jptext": "米・ドル"},
--- a/pytchat/processors/default/processor.py
+++ b/pytchat/processors/default/processor.py
@@ -7,6 +7,7 @@ from .renderer.paidmessage import LiveChatPaidMessageRenderer
 from .renderer.paidsticker import LiveChatPaidStickerRenderer
 from .renderer.legacypaid import LiveChatLegacyPaidMessageRenderer
 from .renderer.membership import LiveChatMembershipItemRenderer
+from .renderer.donation import LiveChatDonationAnnouncementRenderer
 from .. chat_processor import ChatProcessor
 from ... import config

@@ -124,7 +125,8 @@ class DefaultProcessor(ChatProcessor):
            "liveChatPaidMessageRenderer": LiveChatPaidMessageRenderer(),
            "liveChatPaidStickerRenderer": LiveChatPaidStickerRenderer(),
            "liveChatLegacyPaidMessageRenderer": LiveChatLegacyPaidMessageRenderer(),
-            "liveChatMembershipItemRenderer": LiveChatMembershipItemRenderer()
+            "liveChatMembershipItemRenderer": LiveChatMembershipItemRenderer(),
+            "liveChatDonationAnnouncementRenderer": LiveChatDonationAnnouncementRenderer(),
        }

    def process(self, chat_components: list):
--- a/pytchat/processors/default/renderer/donation.py
+++ b/pytchat/processors/default/renderer/donation.py
@@ -0,0 +1,6 @@
+from .base import BaseRenderer
+
+
+class LiveChatDonationAnnouncementRenderer(BaseRenderer):
+    def settype(self):
+        self.chat.type = "donation"
--- a/pytchat/processors/html_archiver.py
+++ b/pytchat/processors/html_archiver.py
@@ -86,7 +86,7 @@ class HTMLArchiver(ChatProcessor):
                Count of total lines written to the file.
        """
        if chat_components is None or len(chat_components) == 0:
-            return self.save_path ,self.counter
+            return self.save_path, self.counter
        for c in self.processor.process(chat_components).items:
            self.tmp_fp.write(
                self._parse_html_line((
--- a/pytchat/processors/speed/calculator.py
+++ b/pytchat/processors/speed/calculator.py
@@ -82,16 +82,17 @@ class RingQueue:

 class SpeedCalculator(ChatProcessor, RingQueue):
    """
-    チャットの勢いを計算する。
+    Calculate the momentum of the chat.

-    一定期間のチャットデータのうち、最初のチャットの投稿時刻と
-    最後のチャットの投稿時刻の差を、チャット数で割り返し
-    1分あたりの速度に換算する。
+    Divide the difference between the time of the first chat and 
+    the time of the last chat in the chat data over a period of 
+    time by the number of chats and convert it to speed per minute.

    Parameter
    ----------
    capacity : int
-        RingQueueに格納するチャット勢い算出用データの最大数
+        Maximum number of data for calculating chat momentum 
+        to be stored in RingQueue.
    """

    def __init__(self, capacity=10):
@@ -111,17 +112,17 @@ class SpeedCalculator(ChatProcessor, RingQueue):

    def _calc_speed(self):
        """
-        RingQueue内のチャット勢い算出用データリストを元に、
-        チャット速度を計算して返す
+        Calculates the chat speed based on the data list for calculating
+        the chat momentum in RingQueue.

        Return
        ---------------------------
-            チャット速度（１分間で換算したチャット数）
+            Chat speed (number of chats converted per minute)
        """
        try:
-            # キュー内の総チャット数
+            # Total number of chats in the queue
            total = sum(item['chat_count'] for item in self.items)
-            # キュー内の最初と最後のチャットの時間差
+            # Interval between the first and last chats in the queue
            duration = (self.items[self.last_pos]['endtime'] - self.items[self.first_pos]['starttime'])
            if duration != 0:
                return int(total * 60 / duration)
@@ -131,19 +132,12 @@ class SpeedCalculator(ChatProcessor, RingQueue):

    def _put_chatdata(self, actions):
        """
-        チャットデータからタイムスタンプを読み取り、勢い測定用のデータを組み立て、
-        RingQueueに投入する。
-        200円以上のスパチャはtickerとmessageの2つのデータが生成されるが、
-        tickerの方は時刻データの場所が異なることを利用し、勢いの集計から除外している。
        Parameter
        ---------
        actions : List[dict]
-            チャットデータ(addChatItemAction) のリスト
+            List of addChatItemActions
        """
        def _put_emptydata():
-            '''
-            チャットデータがない場合に空のデータをキューに投入する。
-            '''
            timestamp_now = int(time.time())
            self.put({
                'chat_count': 0,
@@ -152,9 +146,6 @@ class SpeedCalculator(ChatProcessor, RingQueue):
            })

        def _get_timestamp(action: dict):
-            """
-            チャットデータから時刻データを取り出す。
-            """
            try:
                item = action['addChatItemAction']['item']
                timestamp = int(item[list(item.keys())[0]]['timestampUsec'])
@@ -166,32 +157,24 @@ class SpeedCalculator(ChatProcessor, RingQueue):
            _put_emptydata()
            return

-        # actions内の時刻データを持つチャットデータの数
        counter = 0
-        # actions内の最初のチャットデータの時刻
        starttime = None
-        # actions内の最後のチャットデータの時刻
        endtime = None

        for action in actions:
-            # チャットデータからtimestampUsecを読み取る
+            # Get timestampUsec from chatdata
            gettime = _get_timestamp(action)

-            # 時刻のないデータだった場合は次の行のデータで読み取り試行
            if gettime is None:
                continue

-            # 最初に有効な時刻を持つデータのtimestampをstarttimeに設定
            if starttime is None:
                starttime = gettime

-            # 最後のtimestampを設定(途中で時刻のないデータの場合もあるので上書きしていく)
            endtime = gettime

-            # チャットの数をインクリメント
            counter += 1

-        # チャット速度用のデータをRingQueueに送る
        if starttime is None or endtime is None:
            _put_emptydata()
            return
--- a/pytchat/tool/init.py
+++ b/pytchat/tool/init.py
--- a/pytchat/tool/extract/init.py
+++ b/pytchat/tool/extract/init.py
--- a/pytchat/tool/extract/asyncdl.py
+++ b/pytchat/tool/extract/asyncdl.py
@@ -1,176 +0,0 @@
-import asyncio
-import httpx
-import socket
-from . import parser
-from . block import Block
-from . worker import ExtractWorker
-from . patch import Patch
-from ... import config
-from ... paramgen import arcparam
-from ... exceptions import UnknownConnectionError
-from concurrent.futures import CancelledError
-from json import JSONDecodeError
-from urllib.parse import quote
-
-
-headers = config.headers
-REPLAY_URL = "https://www.youtube.com/live_chat_replay/" \
-             "get_live_chat_replay?continuation="
-MAX_RETRY_COUNT = 3
-
-# Set to avoid duplicate parameters
-param_set = set()
-
-
-def _split(start, end, count, min_interval_sec=120):
-    """
-    Split section from `start` to `end` into `count` pieces,
-    and returns the beginning of each piece.
-    The `count` is adjusted so that the length of each piece
-    is no smaller than `min_interval`.
-
-    Returns:
-    --------
-        List of the offset of each block's first chat data.
-    """
-    if not (isinstance(start, int) or isinstance(start, float)) or \
-       not (isinstance(end, int) or isinstance(end, float)):
-        raise ValueError("start/end must be int or float")
-    if not isinstance(count, int):
-        raise ValueError("count must be int")
-    if start > end:
-        raise ValueError("end must be equal to or greater than start.")
-    if count < 1:
-        raise ValueError("count must be equal to or greater than 1.")
-    if (end - start) / count < min_interval_sec:
-        count = int((end - start) / min_interval_sec)
-        if count == 0:
-            count = 1
-    interval = (end - start) / count
-
-    if count == 1:
-        return [start]
-    return sorted(list(set([int(start + interval * j)
-                            for j in range(count)])))
-
-
-def ready_blocks(video_id, duration, div, callback):
-    param_set.clear()
-    if div <= 0:
-        raise ValueError
-
-    async def _get_blocks(video_id, duration, div, callback):
-        async with httpx.AsyncClient(http2=True) as session:
-            tasks = [_create_block(session, video_id, seektime, callback)
-                     for seektime in _split(-1, duration, div)]
-            return await asyncio.gather(*tasks)
-
-    async def _create_block(session, video_id, seektime, callback):
-        continuation = arcparam.getparam(video_id, seektime=seektime)
-        url = f"{REPLAY_URL}{quote(continuation)}&pbj=1"
-        err = None
-        for _ in range(MAX_RETRY_COUNT):
-            try:
-                if continuation in param_set:
-                    next_continuation, actions = None, []
-                    break
-                param_set.add(continuation)
-                resp = await session.get(url, headers=headers, timeout=10)
-                next_continuation, actions = parser.parse(resp.json())
-                break
-            except JSONDecodeError:
-                await asyncio.sleep(3)
-            except httpx.HTTPError as e:
-                err = e
-                await asyncio.sleep(3)
-        else:
-            cancel()
-            raise UnknownConnectionError("Abort:" + str(err))
-
-        if actions:
-            first = parser.get_offset(actions[0])
-            last = parser.get_offset(actions[-1])
-            if callback:
-                callback(actions, last - first)
-            return Block(
-                continuation=next_continuation,
-                chat_data=actions,
-                first=first,
-                last=last
-            )
-
-    """
-    fetch initial blocks.
-    """
-    loop = asyncio.get_event_loop()
-    blocks = loop.run_until_complete(
-        _get_blocks(video_id, duration, div, callback))
-    return blocks
-
-
-def fetch_patch(callback, blocks, video_id):
-
-    async def _allocate_workers():
-        workers = [
-            ExtractWorker(
-                fetch=_fetch, block=block,
-                blocks=blocks, video_id=video_id
-            )
-            for block in blocks
-        ]
-        async with httpx.AsyncClient() as session:
-            tasks = [worker.run(session) for worker in workers]
-            return await asyncio.gather(*tasks)
-
-    async def _fetch(continuation, session) -> Patch:
-        url = f"{REPLAY_URL}{quote(continuation)}&pbj=1"
-        err = None
-        for _ in range(MAX_RETRY_COUNT):
-            try:
-                if continuation in param_set:
-                    continuation, actions = None, []
-                    break
-                param_set.add(continuation)
-                resp = await session.get(url, headers=config.headers)
-                continuation, actions = parser.parse(resp.json())
-                break
-            except JSONDecodeError:
-                await asyncio.sleep(3)
-            except httpx.HTTPError as e:
-                err = e
-                await asyncio.sleep(3)
-            except socket.error as error:
-                print("socket error", error.errno)
-                await asyncio.sleep(3)
-        else:
-            cancel()
-            raise UnknownConnectionError("Abort:" + str(err))
-
-        if actions:
-            last = parser.get_offset(actions[-1])
-            first = parser.get_offset(actions[0])
-            if callback:
-                callback(actions, last - first)
-            return Patch(actions, continuation, first, last)
-        return Patch(continuation=continuation)
-
-    """
-    allocate workers and assign blocks.
-    """
-    loop = asyncio.get_event_loop()
-    try:
-        loop.run_until_complete(_allocate_workers())
-    except CancelledError:
-        pass
-
-
-async def _shutdown():
-    tasks = [t for t in asyncio.all_tasks()
-             if t is not asyncio.current_task()]
-    for task in tasks:
-        task.cancel()
-
-
-def cancel():
-    loop = asyncio.get_event_loop()
-    loop.create_task(_shutdown())
--- a/pytchat/tool/extract/block.py
+++ b/pytchat/tool/extract/block.py
@@ -1,56 +0,0 @@
-class Block:
-    """Block object represents something like a box
-    to join chunk of chatdata.
-
-    Parameter:
-    ---------
-    first : int :
-        videoOffsetTimeMs of the first chat_data
-        (chat_data[0])
-
-    last : int :
-        videoOffsetTimeMs of the last chat_data.
-        (chat_data[-1])
-
-        this value increases as fetching chatdata progresses.
-
-    end : int :
-        target videoOffsetTimeMs of last chat data for extract,
-        equals to first videoOffsetTimeMs of next block.
-        when extract worker reaches this offset, stop fetching.
-
-    continuation : str :
-        continuation param of last chat data.
-
-    chat_data : list
-
-    done : bool :
-        whether this block has been fetched.
-
-    remaining : int :
-        remaining data to extract.
-        equals end - last.
-
-    is_last : bool :
-        whether this block is the last one in blocklist.
-
-    during_split : bool :
-        whether this block is in the process of during_split.
-        while True, this block is excluded from duplicate split procedure.
-    """
-
-    __slots__ = ['first', 'last', 'end', 'continuation', 'chat_data', 'remaining',
-                 'done', 'is_last', 'during_split']
-
-    def __init__(self, first=0, last=0, end=0,
-                 continuation='', chat_data=[], is_last=False,
-                 during_split=False):
-        self.first = first
-        self.last = last
-        self.end = end
-        self.continuation = continuation
-        self.chat_data = chat_data
-        self.done = False
-        self.remaining = self.end - self.last
-        self.is_last = is_last
-        self.during_split = during_split
--- a/pytchat/tool/extract/duplcheck.py
+++ b/pytchat/tool/extract/duplcheck.py
@@ -1,153 +0,0 @@
-from . import parser
-
-
-def check_duplicate(chatdata):
-    max_range = len(chatdata) - 1
-    tbl_offset = [None] * max_range
-    tbl_id = [None] * max_range
-    tbl_type = [None] * max_range
-
-    def create_table(chatdata, max_range):
-        for i in range(max_range):
-            tbl_offset[i] = parser.get_offset(chatdata[i])
-            tbl_id[i] = parser.get_id(chatdata[i])
-            tbl_type[i] = parser.get_type(chatdata[i])
-
-    def is_duplicate(i, j):
-        return (
-            tbl_offset[i] == tbl_offset[j]
-            and tbl_id[i] == tbl_id[j]
-            and tbl_type[i] == tbl_type[j]
-        )
-    print("creating table...")
-    create_table(chatdata, max_range)
-    print("searching duplicate data...")
-    return [{"i": {
-        "index": i, "id": parser.get_id(chatdata[i]),
-        "offsetTime": parser.get_offset(chatdata[i]),
-        "type": parser.get_type(chatdata[i])
-    },
-        "j":{
-        "index": j, "id": parser.get_id(chatdata[j]),
-        "offsetTime": parser.get_offset(chatdata[j]),
-        "type": parser.get_type(chatdata[j])
-    }
-    }
-        for i in range(max_range) for j in range(i + 1, max_range)
-        if is_duplicate(i, j)]
-
-
-def check_duplicate_offset(chatdata):
-    max_range = len(chatdata)
-    tbl_offset = [None] * max_range
-    tbl_id = [None] * max_range
-    tbl_type = [None] * max_range
-
-    def create_table(chatdata, max_range):
-        for i in range(max_range):
-            tbl_offset[i] = parser.get_offset(chatdata[i])
-            tbl_id[i] = parser.get_id(chatdata[i])
-            tbl_type[i] = parser.get_type(chatdata[i])
-
-    def is_duplicate(i, j):
-        return (
-            tbl_offset[i] == tbl_offset[j]
-            and tbl_id[i] == tbl_id[j]
-        )
-
-    print("creating table...")
-    create_table(chatdata, max_range)
-    print("searching duplicate data...")
-
-    return [{
-        "index": i, "id": tbl_id[i],
-        "offsetTime": tbl_offset[i],
-        "type:": tbl_type[i]
-    }
-        for i in range(max_range - 1)
-        if is_duplicate(i, i + 1)]
-
-
-def remove_duplicate_head(blocks):
-    if len(blocks) == 0 or len(blocks) == 1:
-        return blocks
-
-    def is_duplicate_head(index):
-
-        if len(blocks[index].chat_data) == 0:
-            return True
-        elif len(blocks[index + 1].chat_data) == 0:
-            return False
-
-        id_0 = parser.get_id(blocks[index].chat_data[0])
-        id_1 = parser.get_id(blocks[index + 1].chat_data[0])
-        type_0 = parser.get_type(blocks[index].chat_data[0])
-        type_1 = parser.get_type(blocks[index + 1].chat_data[0])
-        return (
-            blocks[index].first == blocks[index + 1].first
-            and id_0 == id_1
-            and type_0 == type_1
-        )
-    ret = [blocks[i] for i in range(len(blocks) - 1)
-           if (len(blocks[i].chat_data) > 0
-               and not is_duplicate_head(i))]
-    ret.append(blocks[-1])
-    return ret
-
-
-def remove_duplicate_tail(blocks):
-    if len(blocks) == 0 or len(blocks) == 1:
-        return blocks
-
-    def is_duplicate_tail(index):
-        if len(blocks[index].chat_data) == 0:
-            return True
-        elif len(blocks[index - 1].chat_data) == 0:
-            return False
-        id_0 = parser.get_id(blocks[index - 1].chat_data[-1])
-        id_1 = parser.get_id(blocks[index].chat_data[-1])
-        type_0 = parser.get_type(blocks[index - 1].chat_data[-1])
-        type_1 = parser.get_type(blocks[index].chat_data[-1])
-        return (
-            blocks[index - 1].last == blocks[index].last
-            and id_0 == id_1
-            and type_0 == type_1
-        )
-
-    ret = [blocks[i] for i in range(0, len(blocks))
-           if i == 0 or not is_duplicate_tail(i)]
-    return ret
-
-
-def remove_overlap(blocks):
-    """
-    Fix overlapped blocks after ready_blocks().
-    Align the last offset of each block to the first offset
-    of next block (equals `end` offset of each block).
-    """
-    if len(blocks) == 0 or len(blocks) == 1:
-        return blocks
-
-    for block in blocks:
-        if block.is_last:
-            break
-        if len(block.chat_data) == 0:
-            continue
-        block_end = block.end
-        if block.last >= block_end:
-            for line in reversed(block.chat_data):
-                if parser.get_offset(line) < block_end:
-                    break
-                block.chat_data.pop()
-            block.last = parser.get_offset(line)
-            block.remaining = 0
-            block.done = True
-            block.continuation = None
-    return blocks
-
-
-def _dump(blocks):
-    print("----------        first         last         end---")
-    for i, block in enumerate(blocks):
-        print(
-            f"block[{i:3}]   {block.first:>10}   {block.last:>10}  {block.end:>10}")
--- a/pytchat/tool/extract/extractor.py
+++ b/pytchat/tool/extract/extractor.py
@@ -1,96 +0,0 @@
-from typing import Generator
-from . import asyncdl
-from . import duplcheck
-from .. videoinfo import VideoInfo
-from ... import config
-from ... exceptions import InvalidVideoIdException
-from ... util.extract_video_id import extract_video_id
-
-logger = config.logger(__name__)
-headers = config.headers
-
-
-class Extractor:
-    def __init__(self, video_id, div=1, callback=None, processor=None):
-        if not isinstance(div, int) or div < 1:
-            raise ValueError('div must be positive integer.')
-        elif div > 10:
-            div = 10
-        self.video_id = extract_video_id(video_id)
-        self.div = div
-        self.callback = callback
-        self.processor = processor
-        self.duration = self._get_duration_of_video(video_id)
-        self.blocks = []
-
-    def _get_duration_of_video(self, video_id):
-        duration = 0
-        try:
-            duration = VideoInfo(video_id).get_duration()
-        except InvalidVideoIdException:
-            raise
-        return duration
-
-    def _ready_blocks(self):
-        blocks = asyncdl.ready_blocks(
-            self.video_id, self.duration, self.div, self.callback)
-        self.blocks = [block for block in blocks if block]
-        return self
-
-    def _remove_duplicate_head(self):
-        self.blocks = duplcheck.remove_duplicate_head(self.blocks)
-        return self
-
-    def _set_block_end(self):
-        if len(self.blocks) > 0:
-            for i in range(len(self.blocks) - 1):
-                self.blocks[i].end = self.blocks[i + 1].first
-            self.blocks[-1].end = self.duration * 1000
-            self.blocks[-1].is_last = True
-        return self
-
-    def _remove_overlap(self):
-        self.blocks = duplcheck.remove_overlap(self.blocks)
-        return self
-
-    def _download_blocks(self):
-        asyncdl.fetch_patch(self.callback, self.blocks, self.video_id)
-        return self
-
-    def _remove_duplicate_tail(self):
-        self.blocks = duplcheck.remove_duplicate_tail(self.blocks)
-        return self
-
-    def _get_chatdata(self) -> Generator:
-        for block in self.blocks:
-            for chatdata in block.chat_data:
-                yield chatdata
-
-    def _execute_extract_operations(self):
-        return (
-            self._ready_blocks()
-                ._remove_duplicate_head()
-                ._set_block_end()
-                ._remove_overlap()
-                ._download_blocks()
-                ._remove_duplicate_tail()
-                ._get_chatdata()
-        )
-
-    def extract(self):
-        if self.duration == 0:
-            print("\nCannot extract chat data:\n The specified video has not yet been archived.")
-            return []
-        data = self._execute_extract_operations()
-        if self.processor is None:
-            return data
-        ret = self.processor.process(
-            [{'video_id': None,
-              'timeout': 1,
-              'chatdata': (action["replayChatItemAction"]["actions"][0] for action in data)}]
-        )
-        self.processor.finalize()
-        return ret
-
-    def cancel(self):
-        asyncdl.cancel()
--- a/pytchat/tool/extract/parser.py
+++ b/pytchat/tool/extract/parser.py
@@ -1,55 +0,0 @@
-from ... import config
-from ... import exceptions
-
-logger = config.logger(__name__)
-
-
-def parse(jsn):
-    """
-    Parse replay chat data.
-    Parameter:
-    ----------
-    jsn : dict
-        JSON of replay chat data.
-    Returns:
-    ------
-        continuation : str
-        actions : list
-
-    """
-    if jsn is None:
-        raise ValueError("parameter JSON is None")
-    if jsn['response']['responseContext'].get('errors'):
-        raise exceptions.ResponseContextError(
-            'video_id is invalid or private/deleted.')
-    contents = jsn['response'].get('continuationContents')
-    if contents is None:
-        raise exceptions.NoContents('No chat data.')
-
-    cont = contents['liveChatContinuation']['continuations'][0]
-    if cont is None:
-        raise exceptions.NoContinuation('No Continuation')
-    metadata = cont.get('liveChatReplayContinuationData')
-    if metadata:
-        continuation = metadata.get("continuation")
-        actions = contents['liveChatContinuation'].get('actions')
-        return continuation, actions
-    return None, []
-
-
-def get_offset(item):
-    return int(item['replayChatItemAction']["videoOffsetTimeMsec"])
-
-
-def get_id(item):
-    a = list(item['replayChatItemAction']["actions"][0].values())[0].get('item')
-    if a:
-        return list(a.values())[0].get('id')
-    return None
-
-
-def get_type(item):
-    a = list(item['replayChatItemAction']["actions"][0].values())[0].get('item')
-    if a:
-        return list(a.keys())[0]
-    return None
--- a/pytchat/tool/extract/patch.py
+++ b/pytchat/tool/extract/patch.py
@@ -1,55 +0,0 @@
-from . import parser
-from . block import Block
-from typing import NamedTuple
-
-
-class Patch(NamedTuple):
-    """
-    Patch represents chunk of chat data
-    which is fetched by asyncdl.fetch_patch._fetch().
-    """
-    chats: list = []
-    continuation: str = None
-    first: int = None
-    last: int = None
-
-
-def fill(block: Block, patch: Patch):
-    block_end = block.end
-    if patch.last < block_end or block.is_last:
-        set_patch(block, patch)
-        return
-    for line in reversed(patch.chats):
-        line_offset = parser.get_offset(line)
-        if line_offset < block_end:
-            break
-        patch.chats.pop()
-    set_patch(block, patch._replace(
-        continuation=None,
-        last=line_offset
-    )
-    )
-    block.remaining = 0
-    block.done = True
-
-
-def split(parent_block: Block, child_block: Block, patch: Patch):
-    parent_block.during_split = False
-    if patch.first <= parent_block.last:
-        ''' When patch overlaps with parent_block,
-        discard this block. '''
-        child_block.continuation = None
-        ''' Leave child_block.during_split == True
-         to exclude from during_split sequence. '''
-        return
-    child_block.during_split = False
-    child_block.first = patch.first
-    parent_block.end = patch.first
-    fill(child_block, patch)
-
-
-def set_patch(block: Block, patch: Patch):
-    block.continuation = patch.continuation
-    block.chat_data.extend(patch.chats)
-    block.last = patch.last
-    block.remaining = block.end - block.last
--- a/pytchat/tool/extract/worker.py
+++ b/pytchat/tool/extract/worker.py
@@ -1,92 +0,0 @@
-from . block import Block
-from . patch import fill, split
-from ... paramgen import arcparam
-from typing import Tuple
-
-
-class ExtractWorker:
-    """
-    ExtractWorker associates a download session with a block.
-    When the worker finishes fetching, the block
-    being fetched is splitted and assigned the free worker.
-
-    Parameter
-    ----------
-    fetch : func :
-        extract function of asyncdl
-
-    block : Block :
-        Block object that includes chat_data
-
-    blocks : list :
-        List of Block(s)
-
-    video_id : str :
-
-    parent_block : Block :
-        the block from which current block is splitted
-    """
-    __slots__ = ['block', 'fetch', 'blocks', 'video_id', 'parent_block']
-
-    def __init__(self, fetch, block, blocks, video_id):
-        self.block = block
-        self.fetch = fetch
-        self.blocks = blocks
-        self.video_id = video_id
-        self.parent_block = None
-
-    async def run(self, session):
-        while self.block.continuation:
-            patch = await self.fetch(
-                self.block.continuation, session)
-            if patch.continuation is None:
-                """TODO : make the worker assigned to the last block
-                to work more than twice as possible.
-                """
-                break
-            if self.parent_block:
-                split(self.parent_block, self.block, patch)
-                self.parent_block = None
-            else:
-                fill(self.block, patch)
-            if self.block.continuation is None:
-                """finished fetching this block """
-                self.block.done = True
-                self.block = _search_new_block(self)
-
-
-def _search_new_block(worker) -> Block:
-    index, undone_block = _get_undone_block(worker.blocks)
-    if undone_block is None:
-        return Block(continuation=None)
-    mean = (undone_block.last + undone_block.end) / 2
-    continuation = arcparam.getparam(worker.video_id, seektime=mean / 1000)
-    worker.parent_block = undone_block
-    worker.parent_block.during_split = True
-    new_block = Block(
-        end=undone_block.end,
-        chat_data=[],
-        continuation=continuation,
-        during_split=True,
-        is_last=worker.parent_block.is_last)
-    '''swap last block'''
-    if worker.parent_block.is_last:
-        worker.parent_block.is_last = False
-    worker.blocks.insert(index + 1, new_block)
-    return new_block
-
-
-def _get_undone_block(blocks) -> Tuple[int, Block]:
-    min_interval_ms = 120000
-    max_remaining = 0
-    undone_block = None
-    index_undone_block = 0
-    for index, block in enumerate(blocks):
-        if block.done or block.during_split:
-            continue
-        remaining = block.remaining
-        if remaining > max_remaining and remaining > min_interval_ms:
-            index_undone_block = index
-            undone_block = block
-            max_remaining = remaining
-    return index_undone_block, undone_block
--- a/pytchat/tool/videoinfo.py
+++ b/pytchat/tool/videoinfo.py
@@ -1,201 +0,0 @@
-import httpx
-import json
-import re
-import time
-from .. import config
-from ..exceptions import InvalidVideoIdException, PatternUnmatchError, UnknownConnectionError
-from ..util.extract_video_id import extract_video_id
-
-
-headers = config.headers
-pattern = re.compile(r"['\"]PLAYER_CONFIG['\"]:\s*({.*})")
-pattern2 = re.compile(r"yt\.setConfig\((\{[\s\S]*?\})\);")
-
-item_channel_id = [
-    "videoDetails",
-    "embeddedPlayerOverlayVideoDetailsRenderer",
-    "channelThumbnailEndpoint",
-    "channelThumbnailEndpoint",
-    "urlEndpoint",
-    "urlEndpoint",
-    "url"
-]
-
-item_renderer = [
-    "embedPreview",
-    "thumbnailPreviewRenderer"
-]
-
-item_response = [
-    "args",
-    "embedded_player_response"
-]
-
-item_response2 = [
-    "PLAYER_VARS",
-    "embedded_player_response"
-]
-item_author_image = [
-    "videoDetails",
-    "embeddedPlayerOverlayVideoDetailsRenderer",
-    "channelThumbnail",
-    "thumbnails",
-    0,
-    "url"
-]
-
-item_thumbnail = [
-    "defaultThumbnail",
-    "thumbnails",
-    2,
-    "url"
-]
-
-item_channel_name = [
-    "videoDetails",
-    "embeddedPlayerOverlayVideoDetailsRenderer",
-    "expandedRenderer",
-    "embeddedPlayerOverlayVideoDetailsExpandedRenderer",
-    "title",
-    "runs",
-    0,
-    "text"
-]
-
-item_moving_thumbnail = [
-    "movingThumbnail",
-    "thumbnails",
-    0,
-    "url"
-]
-
-
-class VideoInfo:
-    '''
-    VideoInfo object retrieves YouTube video information.
-
-    Parameter
-    ---------
-    video_id : str
-
-    Exception
-    ---------
-    InvalidVideoIdException :
-        Occurs when video_id does not exist on YouTube.
-    '''
-
-    def __init__(self, video_id):
-        self.video_id = extract_video_id(video_id)
-        self.client = httpx.Client(http2=True)
-        self.new_pattern_text = False
-        err = None
-        for _ in range(3):
-            try:
-                text = self._get_page_text(self.video_id)
-                self._parse(text)
-                break
-            except (InvalidVideoIdException, UnknownConnectionError) as e:
-                raise e
-            except Exception as e:
-                err = e
-                time.sleep(2)
-                pass
-        else:
-            raise err
-
-    def _get_page_text(self, video_id):
-        url = f"https://www.youtube.com/embed/{video_id}"
-        err = None
-        for _ in range(3):
-            try:
-                resp = self.client.get(url, headers=headers)
-                resp.raise_for_status()
-                break
-            except httpx.HTTPError as e:
-                err = e
-                time.sleep(3)
-        else:
-            raise UnknownConnectionError(str(err))
-
-        return resp.text
-
-    def _parse(self, text):
-        result = re.search(pattern, text)
-        if result is None:
-            result = re.search(pattern2, text)
-            if result is None:
-                raise PatternUnmatchError(doc=text)
-            else:
-                self.new_pattern_text = True
-        decoder = json.JSONDecoder()
-        if self.new_pattern_text:
-            res = decoder.raw_decode(result.group(1))[0]
-        else:
-            res = decoder.raw_decode(result.group(1)[:-1])[0]
-        if self.new_pattern_text:
-            response = self._get_item(res, item_response2)
-        else:
-            response = self._get_item(res, item_response)
-        if response is None:
-            if self.new_pattern_text:
-                self._check_video_is_private(res.get("PLAYER_VARS"))
-            else:
-                self._check_video_is_private(res.get("args"))
-        self._renderer = self._get_item(json.loads(response), item_renderer)
-        if self._renderer is None:
-            raise InvalidVideoIdException(
-                f"No renderer found in video_id: [{self.video_id}].")
-
-    def _check_video_is_private(self, args):
-        if args and args.get("video_id"):
-            raise InvalidVideoIdException(
-                f"video_id [{self.video_id}] is private or deleted.")
-        raise InvalidVideoIdException(
-            f"video_id [{self.video_id}] is invalid.")
-
-    def _get_item(self, dict_body, items: list):
-        for item in items:
-            if dict_body is None:
-                break
-            if isinstance(dict_body, dict):
-                dict_body = dict_body.get(item)
-                continue
-            if isinstance(item, int) and \
-               isinstance(dict_body, list) and \
-               len(dict_body) > item:
-                dict_body = dict_body[item]
-                continue
-            return None
-        return dict_body
-
-    def get_duration(self):
-        duration_seconds = self._renderer.get("videoDurationSeconds")
-        if duration_seconds:
-            '''Fetched value is string, so cast to integer.'''
-            return int(duration_seconds)
-        '''When key is not found, explicitly returns None.'''
-        return None
-
-    def get_title(self):
-        if self._renderer.get("title"):
-            return [''.join(run["text"])
-                    for run in self._renderer["title"]["runs"]][0]
-        return None
-
-    def get_channel_id(self):
-        channel_url = self._get_item(self._renderer, item_channel_id)
-        if channel_url:
-            return channel_url[9:]
-        return None
-
-    def get_author_image(self):
-        return self._get_item(self._renderer, item_author_image)
-
-    def get_thumbnail(self):
-        return self._get_item(self._renderer, item_thumbnail)
-
-    def get_channel_name(self):
-        return self._get_item(self._renderer, item_channel_name)
-
-    def get_moving_thumbnail(self):
-        return self._get_item(self._renderer, item_moving_thumbnail)
--- a/pytchat/util/init.py
+++ b/pytchat/util/init.py
@@ -3,10 +3,24 @@ import httpx
 import json
 import os
 import re
+from urllib.parse import quote
 from .. import config
+from .. exceptions import InvalidVideoIdException

 PATTERN = re.compile(r"(.*)\(([0-9]+)\)$")

+PATTERN_YTURL = re.compile(r"((?<=(v|V)/)|(?<=be/)|(?<=(\?|\&)v=)|(?<=embed/))([\w-]+)")
+
+PATTERN_CHANNEL = re.compile(r"\\\"channelId\\\":\\\"(.{24})\\\"")
+
+PATTERN_M_CHANNEL = re.compile(r"\"channelId\":\"(.{24})\"")
+
+YT_VIDEO_ID_LENGTH = 11
+
+CLIENT_VERSION = ''.join(("2.", (datetime.datetime.today() - datetime.timedelta(days=1)).strftime("%Y%m%d"), ".01.00"))
+
+UA = config.headers["user-agent"]
+

 def extract(url):
    _session = httpx.Client(http2=True)
@@ -17,8 +31,9 @@ def extract(url):


 def save(data, filename, extention) -> str:
-    save_filename = filename + "_" + (datetime.datetime.now().strftime('%Y-%m-%d %H-%M-%S')) + extention
-    with open(save_filename ,mode='w', encoding='utf-8') as f:
+    save_filename = filename + "_" + \
+        (datetime.datetime.now().strftime('%Y-%m-%d %H-%M-%S')) + extention
+    with open(save_filename, mode='w', encoding='utf-8') as f:
        f.writelines(data)
    return save_filename

@@ -39,3 +54,94 @@ def checkpath(filepath):
            body = f'{body}({str(counter)})'
        newpath = os.path.join(os.path.dirname(filepath), body + extention)
    return newpath
+
+
+def get_param(continuation, replay=False, offsetms: int = 0, dat=''):
+    if offsetms < 0:
+        offsetms = 0
+    ret = {
+        "context": {
+            "client": {
+                "visitorData": dat,
+                "userAgent": UA,
+                "clientName": "WEB",
+                "clientVersion": CLIENT_VERSION,
+            },
+
+        },
+        "continuation": continuation,
+    }
+    if replay:
+        ret.setdefault("currentPlayerState", {
+                       "playerOffsetMs": str(int(offsetms))})
+    return ret
+
+
+def extract_video_id(url_or_id: str) -> str:
+    ret = ''
+    if '[' in url_or_id:
+        url_or_id = url_or_id.replace('[', '').replace(']', '')
+
+    if type(url_or_id) != str:
+        raise TypeError(f"{url_or_id}: URL or VideoID must be str, but {type(url_or_id)} is passed.")
+    if len(url_or_id) == YT_VIDEO_ID_LENGTH:
+        return url_or_id
+    match = re.search(PATTERN_YTURL, url_or_id)
+    if match is None:
+        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
+    try:
+        ret = match.group(4)
+    except IndexError:
+        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
+
+    if ret is None or len(ret) != YT_VIDEO_ID_LENGTH:
+        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
+    return ret
+
+
+def get_channelid(client, video_id):
+    resp = client.get("https://www.youtube.com/embed/{}".format(quote(video_id)), headers=config.headers)  
+    match = re.search(PATTERN_CHANNEL, resp.text)
+    try:
+        if match is None:
+            raise IndexError
+        ret = match.group(1)
+    except IndexError:
+        ret = get_channelid_2nd(client, video_id)
+    return ret
+
+
+def get_channelid_2nd(client, video_id):
+    resp = client.get("https://m.youtube.com/watch?v={}".format(quote(video_id)), headers=config.m_headers)  
+    
+    match = re.search(PATTERN_M_CHANNEL, resp.text)
+    if match is None:
+        raise InvalidVideoIdException(f"Cannot find channel id for video id:{video_id}. This video id seems to be invalid.")
+    try:
+        ret = match.group(1)
+    except IndexError:
+        raise InvalidVideoIdException(f"Invalid video id: {video_id}")
+    return ret
+
+
+async def get_channelid_async(client, video_id):
+    resp = await client.get("https://www.youtube.com/embed/{}".format(quote(video_id)), headers=config.headers)  
+    match = re.search(PATTERN_CHANNEL, resp.text)
+    try:
+        if match is None:
+            raise IndexError
+        ret = match.group(1)
+    except IndexError:
+        ret = await get_channelid_async_2nd(client, video_id)
+    return ret
+
+async def get_channelid_async_2nd(client, video_id):
+    resp = await client.get("https://m.youtube.com/watch?v={}".format(quote(video_id)), headers=config.m_headers)  
+    match = re.search(PATTERN_M_CHANNEL, resp.text)
+    if match is None:
+        raise InvalidVideoIdException(f"Cannot find channel id for video id:{video_id}. This video id seems to be invalid.")
+    try:
+        ret = match.group(1)
+    except IndexError:
+        raise InvalidVideoIdException(f"Invalid video id: {video_id}")
+    return ret
--- a/pytchat/util/extract_video_id.py
+++ b/pytchat/util/extract_video_id.py
@@ -1,28 +0,0 @@
-import re
-from .. exceptions import InvalidVideoIdException
-
-
-PATTERN = re.compile(r"((?<=(v|V)/)|(?<=be/)|(?<=(\?|\&)v=)|(?<=embed/))([\w-]+)")
-YT_VIDEO_ID_LENGTH = 11
-
-
-def extract_video_id(url_or_id: str) -> str:
-    ret = ''
-    if '[' in url_or_id:
-        url_or_id = url_or_id.replace('[', '').replace(']', '')
-
-    if type(url_or_id) != str:
-        raise TypeError(f"{url_or_id}: URL or VideoID must be str, but {type(url_or_id)} is passed.")
-    if len(url_or_id) == YT_VIDEO_ID_LENGTH:
-        return url_or_id
-    match = re.search(PATTERN, url_or_id)
-    if match is None:
-        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
-    try:
-        ret = match.group(4)
-    except IndexError:
-        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
-
-    if ret is None or len(ret) != YT_VIDEO_ID_LENGTH:
-        raise InvalidVideoIdException(f"Invalid video id: {url_or_id}")
-    return ret
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1 @@
-httpx[http2]==0.16.1
-protobuf==3.14.0
-pytz
-urllib3
+httpx[http2]
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,2 +1,2 @@
-pytest-mock==3.3.1
-pytest-httpx==0.10.0
+pytest-mock
+pytest-httpx
--- a/setup.py
+++ b/setup.py
@@ -52,14 +52,10 @@ setup(
        'Programming Language :: Python',
        'Programming Language :: Python :: 3.7',
        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',       
        'License :: OSI Approved :: MIT License',
    ],
    description="a python library for fetching youtube live chat.",
-    entry_points=
-    '''
-        [console_scripts]
-        pytchat=pytchat.cli:main
-    ''',
    install_requires=_requirements(),
    keywords='youtube livechat asyncio',
    license=license,
--- a/tests/test_arcparam.py
+++ b/tests/test_arcparam.py
@@ -1,32 +0,0 @@
-import json
-import httpx
-import pytchat.config as config
-from pytchat.paramgen import arcparam
-from pytchat.parser.live import Parser
-
-
-def test_arcparam_0(mocker):
-    param = arcparam.getparam("01234567890", -1)
-    assert param == "op2w0wQmGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09SARgAXICCAE%3D" 
-
-
-def test_arcparam_1(mocker):
-    param = arcparam.getparam("01234567890", seektime=100000)
-    assert param == "op2w0wQtGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09KIDQ28P0AkgDYAFyAggB"
-
-
-def test_arcparam_2(mocker):
-    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 = httpx.Client(http2=True).get(url, headers=config.headers)
-    jsn = json.loads(resp.text)
-    parser = Parser(is_replay=True)
-    contents = parser.get_contents(jsn)
-    _, chatdata = parser.parse(contents)
-    test_id = chatdata[0]["addChatItemAction"]["item"]["liveChatTextMessageRenderer"]["id"]
-    assert test_id == "CjoKGkNMYXBzZTdudHVVQ0Zjc0IxZ0FkTnFnQjVREhxDSnlBNHV2bnR1VUNGV0dnd2dvZDd3NE5aZy0w"
-
-
-def test_arcparam_3(mocker):
-    param = arcparam.getparam("01234567890")
-    assert param == "op2w0wQmGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09SARgAXICCAE%3D"
--- a/tests/test_calculator_get_item.py
+++ b/tests/test_calculator_get_item.py
@@ -1,140 +0,0 @@
-from pytchat.processors.superchat.calculator import SuperchatCalculator
-
-get_item = SuperchatCalculator()._get_item
-
-dict_test = {
-    'root':{
-        'node0' : 'value0',
-        'node1' : 'value1',
-        'node2' : {
-            'node2-0' : 'value2-0'
-        },
-    
-        'node3' : [
-            {'node3-0' : 'value3-0'},
-            {'node3-1' : 
-                {'node3-1-0' : 'value3-1-0'}
-            }
-        ],
-        'node4' : [],
-        'node5' : [
-            [
-                {'node5-1-0' : 'value5-1-0'},
-                {'node5-1-1' : 'value5-1-1'},
-            ],
-                {'node5-0' : 'value5-0'},
-            
-        ]
-    }
-}
-
-items_test0 = [
-    'root',
-    'node1'
-]
-
-
-items_test_not_found0 = [
-    'root',
-    'other_data'
-]
-
-
-items_test_nest = [
-    'root',
-    'node2',
-    'node2-0'
-]
-
-items_test_list0 = [
-    'root',
-    'node3',
-    1,
-    'node3-1'
-]
-
-items_test_list1 = [
-    'root',
-    'node3',
-    1,
-    'node3-1',
-    'node3-1-0'
-]
-
-items_test_list2 = [
-    'root',
-    'node4',
-    None
-]
-
-items_test_list3 = [
-    'root',
-    'node4'
-]
-
-items_test_list_nest = [
-    'root',
-    'node5',
-    0,
-    1,
-    'node5-1-1'
-]
-
-items_test_list_nest_not_found1 = [
-    'root',
-    'node5',
-    0,
-    1,
-    'node5-1-1',
-    'nodez'
-]
-
-items_test_not_found1 = [
-    'root',
-    'node3',
-    2,
-    'node3-1',
-    'node3-1-0'
-]
-
-items_test_not_found2 = [
-    'root',
-    'node3',
-    2,
-    'node3-1',
-    'node3-1-0',
-    'nodex'
-]
-def test_get_items_0():
-    assert get_item(dict_test, items_test0) == 'value1'
-
-def test_get_items_1():
-    assert get_item(dict_test, items_test_not_found0) is None
-
-def test_get_items_2():
-    assert get_item(dict_test, items_test_nest) == 'value2-0'
-
-def test_get_items_3():
-    assert get_item(
-        dict_test, items_test_list0) ==  {'node3-1-0' : 'value3-1-0'}
-
-def test_get_items_4():
-    assert get_item(dict_test, items_test_list1) ==  'value3-1-0'
-
-def test_get_items_5():
-    assert get_item(dict_test, items_test_not_found1) ==  None
-
-def test_get_items_6():
-    assert get_item(dict_test, items_test_not_found2) ==  None
-
-def test_get_items_7():
-    assert get_item(dict_test, items_test_list2) ==  None
-
-def test_get_items_8():
-    assert get_item(dict_test, items_test_list_nest) ==  'value5-1-1'
-
-def test_get_items_9():
-    assert get_item(dict_test, items_test_list_nest_not_found1) ==  None
-
-def test_get_items_10():
-    assert get_item(dict_test, items_test_list3) ==  []
--- a/tests/test_calculator_parse.py
+++ b/tests/test_calculator_parse.py
@@ -6,50 +6,55 @@ parse = SuperchatCalculator()._parse


 def _open_file(path):
-    with open(path,mode ='r',encoding = 'utf-8') as f:
+    with open(path, mode='r', encoding='utf-8') as f:
        return f.read()

+
 def load_chatdata(filepath):
    parser = Parser(is_replay=True)
-    #print(json.loads(_open_file(filepath)))
-    contents = parser.get_contents( json.loads(_open_file(filepath)))
+    # print(json.loads(_open_file(filepath)))
+    contents = parser.get_contents(json.loads(_open_file(filepath)))[0]
    return parser.parse(contents)[1]


-
 def test_parse_1():
-    renderer ={"purchaseAmountText":{"simpleText":"￥2,000"}}
-    symbol ,amount = parse(renderer)
+    renderer = {"purchaseAmountText": {"simpleText": "￥2,000"}}
+    symbol, amount = parse(renderer)
    assert symbol == '￥'
    assert amount == 2000.0

+
 def test_parse_2():
-    renderer ={"purchaseAmountText":{"simpleText":"ABC\x0a200"}}
-    symbol ,amount = parse(renderer)
+    renderer = {"purchaseAmountText": {"simpleText": "ABC\x0a200"}}
+    symbol, amount = parse(renderer)
    assert symbol == 'ABC\x0a'
    assert amount == 200.0

+
 def test_process_0():
    """
    parse superchat data
    """
    chat_component = {
-        'video_id':'',
-        'timeout':10,
-        'chatdata':load_chatdata(r"tests/testdata/calculator/superchat_0.json")
+        'video_id': '',
+        'timeout': 10,
+        'chatdata': load_chatdata(r"tests/testdata/calculator/superchat_0.json")
    }
-    assert SuperchatCalculator().process([chat_component])=={'￥': 6800.0, '€': 2.0}
+    assert SuperchatCalculator().process([chat_component]) == {
+        '￥': 6800.0, '€': 2.0}
+

 def test_process_1():
    """
    parse no superchat data
    """
    chat_component = {
-        'video_id':'',
-        'timeout':10,
-        'chatdata':load_chatdata(r"tests/testdata/calculator/text_only.json")
+        'video_id': '',
+        'timeout': 10,
+        'chatdata': load_chatdata(r"tests/testdata/calculator/text_only.json")
    }
-    assert SuperchatCalculator().process([chat_component])=={}
+    assert SuperchatCalculator().process([chat_component]) == {}
+

 def test_process_2():
    """
@@ -57,12 +62,10 @@ def test_process_2():
    """
    try:
        chat_component = {
-            'video_id':'',
-            'timeout':10,
-            'chatdata':load_chatdata(r"tests/testdata/calculator/replay_end.json")
+            'video_id': '',
+            'timeout': 10,
+            'chatdata': load_chatdata(r"tests/testdata/calculator/replay_end.json")
        }
        assert False
-        SuperchatCalculator().process([chat_component])
    except ChatParseException:
        assert True
-    
--- a/tests/test_compatible_processor.py
+++ b/tests/test_compatible_processor.py
@@ -11,7 +11,7 @@ def test_textmessage(mocker):

    _json = _open_file("tests/testdata/compatible/textmessage.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -51,7 +51,7 @@ def test_newsponcer(mocker):

    _json = _open_file("tests/testdata/compatible/newSponsor.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -88,7 +88,7 @@ def test_newsponcer_rev(mocker):

    _json = _open_file("tests/testdata/compatible/newSponsor_rev.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -125,7 +125,7 @@ def test_superchat(mocker):

    _json = _open_file("tests/testdata/compatible/superchat.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -164,7 +164,7 @@ def test_unregistered_currency(mocker):

    _json = _open_file("tests/testdata/unregistered_currency.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])

    data = {
        "video_id": "",
--- a/tests/test_compatible_processor2.py
+++ b/tests/test_compatible_processor2.py
@@ -0,0 +1,24 @@
+import pytchat
+from pytchat.processors.compatible.processor import CompatibleProcessor
+
+
+root_keys = ('kind', 'etag', 'nextPageToken', 'pollingIntervalMillis', 'pageInfo', 'items')
+item_keys = ('kind', 'etag', 'id', 'snippet', 'authorDetails')
+snippet_keys = ('type', 'liveChatId', 'authorChannelId', 'publishedAt', 'hasDisplayContent', 'displayMessage', 'textMessageDetails')
+author_details_keys = ('channelId', 'channelUrl', 'displayName', 'profileImageUrl', 'isVerified', 'isChatOwner', 'isChatSponsor', 'isChatModerator')
+
+def test_compatible_processor():
+    stream = pytchat.create("Hj-wnLIYKjw", seektime = 6000, processor=CompatibleProcessor())
+    while stream.is_alive():
+        chat = stream.get()
+        for key in chat.keys():
+            assert key in root_keys
+        for key in chat["items"][0].keys():
+            assert key in item_keys
+        for key in chat["items"][0]["snippet"].keys():
+            assert key in snippet_keys
+        for key in chat["items"][0]["authorDetails"].keys():
+            assert key in author_details_keys
+        break
+
+    
--- a/tests/test_default_processor.py
+++ b/tests/test_default_processor.py
@@ -18,7 +18,7 @@ def test_textmessage(mocker):
    parser = Parser(is_replay=False)
    _json = _open_file("tests/testdata/default/textmessage.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -47,7 +47,7 @@ def test_textmessage_replay_member(mocker):
    parser = Parser(is_replay=True)
    _json = _open_file("tests/testdata/default/replay_member_text.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -79,7 +79,7 @@ def test_superchat(mocker):
    parser = Parser(is_replay=False)
    _json = _open_file("tests/testdata/default/superchat.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -121,7 +121,7 @@ def test_supersticker(mocker):
    parser = Parser(is_replay=False)
    _json = _open_file("tests/testdata/default/supersticker.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -162,7 +162,7 @@ def test_sponsor(mocker):
    parser = Parser(is_replay=False)
    _json = _open_file("tests/testdata/default/newSponsor_current.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
@@ -195,7 +195,7 @@ def test_sponsor_legacy(mocker):
    parser = Parser(is_replay=False)
    _json = _open_file("tests/testdata/default/newSponsor_lagacy.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 7,
--- a/tests/test_default_processor2.py
+++ b/tests/test_default_processor2.py
@@ -0,0 +1,94 @@
+import asyncio
+import pytchat
+from concurrent.futures import CancelledError
+from pytchat.core_multithread.livechat import LiveChat
+from pytchat.core_async.livechat import LiveChatAsync
+
+cases = [
+    {
+        "video_id":"1X7oL0hDnMg", "seektime":1620,
+        "result1":{'textMessage': 84},
+        "result2":{'': 83, 'MODERATOR': 1}
+    },
+    {
+        "video_id":"Hj-wnLIYKjw", "seektime":420,
+        "result1":{'superChat': 1, 'newSponsor': 6, 'textMessage': 63, 'donation': 1},
+        "result2":{'': 59, 'MEMBER': 12}
+    },
+    {
+        "video_id":"S8dmq5YIUoc", "seektime":3,
+        "result1":{'textMessage': 86},
+        "result2":{'': 62, 'MEMBER': 21, 'OWNER': 2, 'VERIFIED': 1}
+    },{
+        "video_id":"yLrstz80MKs", "seektime":30,
+        "result1":{'superSticker': 8, 'superChat': 2, 'textMessage': 67},
+        "result2":{'': 73, 'MEMBER': 4}
+    }
+]
+
+def test_archived_stream():
+    for case in cases:
+        stream = pytchat.create(video_id=case["video_id"], seektime=case["seektime"])
+        while stream.is_alive():
+            chat = stream.get()
+            agg1 = {}
+            agg2 = {}
+            for c in chat.items:
+                if c.type in agg1:
+                    agg1[c.type] += 1
+                else:
+                    agg1[c.type] = 1
+                if c.author.type in agg2:
+                    agg2[c.author.type] += 1
+                else:
+                    agg2[c.author.type] = 1
+            break
+        assert agg1 == case["result1"]
+        assert agg2 == case["result2"]
+
+
+def test_archived_stream_multithread():
+    for case in cases:
+        stream = LiveChat(video_id=case["video_id"], seektime=case["seektime"])
+        while stream.is_alive():
+            chat = stream.get()
+            agg1 = {}
+            agg2 = {}
+            for c in chat.items:
+                if c.type in agg1:
+                    agg1[c.type] += 1
+                else:
+                    agg1[c.type] = 1
+                if c.author.type in agg2:
+                    agg2[c.author.type] += 1
+                else:
+                    agg2[c.author.type] = 1
+            break
+        assert agg1 == case["result1"]
+        assert agg2 == case["result2"]
+    
+def test_async_live_stream():
+    async def test_loop(): 
+        for case in cases:
+            stream = LiveChatAsync(video_id=case["video_id"], seektime=case["seektime"])
+            while stream.is_alive():
+                chat = await stream.get()
+                agg1 = {}
+                agg2 = {}
+                for c in chat.items:
+                    if c.type in agg1:
+                        agg1[c.type] += 1
+                    else:
+                        agg1[c.type] = 1
+                    if c.author.type in agg2:
+                        agg2[c.author.type] += 1
+                    else:
+                        agg2[c.author.type] = 1
+                break
+            assert agg1 == case["result1"]
+            assert agg2 == case["result2"]
+    loop = asyncio.get_event_loop()
+    try:
+        loop.run_until_complete(test_loop())
+    except CancelledError:
+        assert True
--- a/tests/test_extract_duplcheck.py
+++ b/tests/test_extract_duplcheck.py
@@ -1,134 +0,0 @@
-import json
-from pytchat.tool.extract import duplcheck
-from pytchat.tool.extract import parser
-from pytchat.tool.extract.block import Block
-from pytchat.tool.extract.duplcheck import _dump
-
-
-def _open_file(path):
-    with open(path, mode='r', encoding='utf-8') as f:
-        return f.read()
-
-
-def test_overlap():
-    """
-    test overlap data
-        operation : [0]  [2] [3]  [4] -> last :align to end
-                    [1] , [5] -> no change
-
-    """
-
-    def load_chatdata(filename):
-        return parser.parse(
-            json.loads(_open_file(
-                "tests/testdata/extract_duplcheck/overlap/" + filename))
-        )[1]
-
-    blocks = (
-        Block(first=0, last=12771, end=9890,
-              chat_data=load_chatdata("dp0-0.json")),
-        Block(first=9890, last=15800, end=20244,
-              chat_data=load_chatdata("dp0-1.json")),
-        Block(first=20244, last=45146, end=32476,
-              chat_data=load_chatdata("dp0-2.json")),
-        Block(first=32476, last=50520, end=41380,
-              chat_data=load_chatdata("dp0-3.json")),
-        Block(first=41380, last=62875, end=52568,
-              chat_data=load_chatdata("dp0-4.json")),
-        Block(first=52568, last=62875, end=54000,
-              chat_data=load_chatdata("dp0-5.json"), is_last=True)
-    )
-    result = duplcheck.remove_overlap(blocks)
-    # dp0-0.json has item offset time is 9890 (equals block[0].end = block[1].first),
-    # but must be aligne to the most close and smaller value:9779.
-    assert result[0].last == 9779
-
-    assert result[1].last == 15800
-
-    assert result[2].last == 32196
-
-    assert result[3].last == 41116
-
-    assert result[4].last == 52384
-
-    # the last block must be always added to result.
-    assert result[5].last == 62875
-
-
-def test_duplicate_head():
-
-    def load_chatdata(filename):
-        return parser.parse(
-            json.loads(_open_file(
-                "tests/testdata/extract_duplcheck/head/" + filename))
-        )[1]
-
-    """
-    test duplicate head data 
-        operation : [0] , [1]  -> discard [0]
-                    [1] , [2]  -> discard [1]
-                    [2] , [3]  -> append  [2]
-                    [3] , [4]  -> discard [3]
-                    [4] , [5]  -> append  [4]
-                    append [5]
-
-        result    : [2] , [4] , [5] 
-    """
-
-    # chat data offsets are ignored.
-    blocks = (
-        Block(first=0, last=2500, chat_data=load_chatdata("dp0-0.json")),
-        Block(first=0, last=38771, chat_data=load_chatdata("dp0-1.json")),
-        Block(first=0, last=45146, chat_data=load_chatdata("dp0-2.json")),
-        Block(first=20244, last=60520, chat_data=load_chatdata("dp0-3.json")),
-        Block(first=20244, last=62875, chat_data=load_chatdata("dp0-4.json")),
-        Block(first=52568, last=62875, chat_data=load_chatdata("dp0-5.json"))
-    )
-    _dump(blocks)
-    result = duplcheck.remove_duplicate_head(blocks)
-
-    assert len(result) == 3
-    assert result[0].first == blocks[2].first
-    assert result[0].last == blocks[2].last
-    assert result[1].first == blocks[4].first
-    assert result[1].last == blocks[4].last
-    assert result[2].first == blocks[5].first
-    assert result[2].last == blocks[5].last
-
-
-def test_duplicate_tail():
-    """
-    test duplicate tail data 
-        operation : append [0]
-                    [0] , [1]  -> discard [1]
-                    [1] , [2]  -> append  [2]
-                    [2] , [3]  -> discard [3]
-                    [3] , [4]  -> append  [4]
-                    [4] , [5]  -> discard [5]
-
-        result    : [0] , [2] , [4] 
-    """
-    def load_chatdata(filename):
-        return parser.parse(
-            json.loads(_open_file(
-                "tests/testdata/extract_duplcheck/head/" + filename))
-        )[1]
-    # chat data offsets are ignored.
-    blocks = (
-        Block(first=0, last=2500, chat_data=load_chatdata("dp0-0.json")),
-        Block(first=1500, last=2500, chat_data=load_chatdata("dp0-1.json")),
-        Block(first=10000, last=45146, chat_data=load_chatdata("dp0-2.json")),
-        Block(first=20244, last=45146, chat_data=load_chatdata("dp0-3.json")),
-        Block(first=20244, last=62875, chat_data=load_chatdata("dp0-4.json")),
-        Block(first=52568, last=62875, chat_data=load_chatdata("dp0-5.json"))
-    )
-
-    result = duplcheck.remove_duplicate_tail(blocks)
-    _dump(result)
-    assert len(result) == 3
-    assert result[0].first == blocks[0].first
-    assert result[0].last == blocks[0].last
-    assert result[1].first == blocks[2].first
-    assert result[1].last == blocks[2].last
-    assert result[2].first == blocks[4].first
-    assert result[2].last == blocks[4].last
--- a/tests/test_extract_patch.py
+++ b/tests/test_extract_patch.py
@@ -1,239 +0,0 @@
-import json
-
-from pytchat.tool.extract import parser
-from pytchat.tool.extract.block import Block
-from pytchat.tool.extract.patch import Patch, split
-
-
-def _open_file(path):
-    with open(path, mode='r', encoding='utf-8') as f:
-        return f.read()
-
-
-def load_chatdata(filename):
-    return parser.parse(
-        json.loads(_open_file("tests/testdata/fetch_patch/" + filename))
-    )[1]
-
-
-def test_split_0():
-    """
-    Normal case
-
-    ~~~~~~ before ~~~~~~
-
-     @parent_block  (# = already fetched)
-    
-     first    last                                     end
-       |########----------------------------------------|
-    
-
-     @child_block
-    
-     first = last = 0                                  end (=parent_end)
-       |                                                |
-    
-
-     @fetched patch
-                            |-- patch --|
-    
-     
-                            |
-                            |
-                            V 
-
-    ~~~~~~ after ~~~~~~
-    
-
-     @parent_block
-    
-     first    last         end (after split)   
-       |########------------|
-    
-     @child_block
-                          first       last            end            
-                            |###########---------------|
-    
-     @fetched patch
-                            |-- patch --|
-    """
-    parent = Block(first=0, last=4000, end=60000,
-                   continuation='parent', during_split=True)
-    child = Block(first=0, last=0, end=60000,
-                  continuation='mean', during_split=True)
-    patch = Patch(chats=load_chatdata('pt0-5.json'),
-                  first=32500, last=34000, continuation='patch')
-
-    split(parent, child, patch)
-
-    assert child.continuation == 'patch'
-    assert parent.last < child.first
-    assert parent.end == child.first
-    assert child.first < child.last
-    assert child.last < child.end
-    assert parent.during_split is False
-    assert child.during_split is False
-
-
-def test_split_1():
-    """patch.first <= parent_block.last
-
-    While awaiting at run()->asyncdl._fetch()
-    fetching parent_block proceeds, 
-    and parent.block.last exceeds patch.first.
-
-    In this case, fetched patch is all discarded,
-    and worker searches other processing block again. 
-
-    ~~~~~~ before ~~~~~~
-
-                          patch.first
-      first                 |    last                  end
-       |####################|#####|---------------------|
-                            ^
-     @child_block
-     first = last = 0                                  end (=parent_end)
-       |                                                |
-     
-     @fetched patch
-                            |-- patch --|
-    
-     
-                            |
-                            |
-                            V 
-    
-    ~~~~~~ after ~~~~~~
-
-     @parent_block
-     first                       last                  end
-       |###########################|--------------------|
-    
-     @child_block
-                                
-                            ..............　-> 　discard all data
-                   
-    """
-    parent = Block(first=0, last=33000, end=60000, continuation='parent', during_split=True)
-    child = Block(first=0, last=0, end=60000, continuation='mean', during_split=True)
-    patch = Patch(chats=load_chatdata('pt0-5.json'),
-        first=32500, last=34000, continuation='patch')
-
-    split(parent, child, patch)
-
-    assert parent.last == 33000  # no change
-    assert parent.end == 60000  # no change
-    assert child.continuation is None
-    assert parent.during_split is False
-    assert child.during_split is True  # exclude during_split sequence
-
-
-def test_split_2():
-    """child_block.end < patch.last:
-
-    Case the last offset of patch exceeds child_block.end.
-    In this case, remove overlapped data of patch.
-
-    ~~~~~~ before ~~~~~~
-
-     @parent_block  (# = already fetched)
-     first    last                           end (before split)
-       |########------------------------------|
-    
-     @child_block
-     first = last = 0                        end (=parent_end)
-       |                                      |
-    
-    continuation:succeed from patch
-    
-     @fetched patch
-                            |-------- patch --------|
-    
-     
-                            |
-                            |
-                            V 
-
-    ~~~~~~ after ~~~~~~
-
-     @parent_block
-     first    last         end (after split)   
-       |########------------|
-
-     @child_block                                  old patch.end            
-                          first            last=end |
-                            |#################|......   cut extra data.
-                                                    ^
-    continuation : None (extract complete)
-
-     @fetched patch                                 
-                            |-------- patch --------|
-    """
-    parent = Block(first=0, last=4000, end=33500, continuation='parent', during_split=True)
-    child = Block(first=0, last=0, end=33500, continuation='mean', during_split=True)
-    patch = Patch(chats=load_chatdata('pt0-5.json'),
-        first=32500, last=34000, continuation='patch')
-     
-    split(parent, child, patch)
-
-    assert child.continuation is None
-    assert parent.last < child.first
-    assert parent.end == child.first
-    assert child.first < child.last
-    assert child.last < child.end
-    assert child.continuation is None
-    assert parent.during_split is False
-    assert child.during_split is False
-
-
-def test_split_none():
-    """patch.last <= parent_block.last
-
-    While awaiting at run()->asyncdl._fetch()
-    fetching parent_block proceeds, 
-    and parent.block.last exceeds patch.first.
-
-    In this case, fetched patch is all discarded,
-    and worker searches other processing block again.
-    
-    ~~~~~~ before ~~~~~~
-
-                          patch.first
-     first                  |   last                   end
-       |####################|###################|-------|
-                            ^
-     @child_block
-     first = last = 0                                  end (=parent_end)
-       |                                                |
-     
-     @fetched patch
-                            |-- patch --|
-                                      patch.last < parent_block.last                       .
-     
-                            |
-                            |
-                            V 
-    
-    ~~~~~~ after ~~~~~~
-
-     @parent_block
-     first                       last           end (before split)
-       |########################################|-------|
-
-     @child_block
-                                           
-                            ............    -> discard all data.
-
-    """
-    parent = Block(first=0, last=40000, end=60000, continuation='parent', during_split=True)
-    child = Block(first=0, last=0, end=60000, continuation='mean', during_split=True)
-    patch = Patch(chats=load_chatdata('pt0-5.json'),
-        first=32500, last=34000, continuation='patch')
-    
-    split(parent, child, patch)
-
-    assert parent.last == 40000  # no change
-    assert parent.end == 60000  # no change
-    assert child.continuation is None
-    assert parent.during_split is False
-    assert child.during_split is True  # exclude during_split sequence
--- a/tests/test_extract_video_id.py
+++ b/tests/test_extract_video_id.py
@@ -1,4 +1,4 @@
-from pytchat.util.extract_video_id import extract_video_id
+from pytchat.util import extract_video_id
 from pytchat.exceptions import InvalidVideoIdException

 VALID_TEST_PATTERNS = (
--- a/tests/test_livechat.py
+++ b/tests/test_livechat.py
@@ -1,48 +0,0 @@
-import asyncio
-import json
-from pytest_httpx import HTTPXMock
-from concurrent.futures import CancelledError
-from pytchat.core_multithread.livechat import LiveChat
-from pytchat.core_async.livechat import LiveChatAsync
-from pytchat.exceptions import ResponseContextError
-
-
-def _open_file(path):
-    with open(path, mode='r', encoding='utf-8') as f:
-        return f.read()
-
-
-def add_response_file(httpx_mock: HTTPXMock, jsonfile_path: str):
-    testdata = json.loads(_open_file(jsonfile_path))
-    httpx_mock.add_response(json=testdata)
-
-
-def test_async(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/paramgen_firstread.json')
-
-    async def test_loop():
-        try:
-            chat = LiveChatAsync(video_id='__test_id__')
-            _ = await chat.get()
-            assert chat.is_alive()
-            chat.terminate()
-            assert not chat.is_alive()
-        except ResponseContextError:
-            assert False
-    loop = asyncio.get_event_loop()
-    try:
-        loop.run_until_complete(test_loop())
-    except CancelledError:
-        assert True
-
-
-def test_multithread(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/paramgen_firstread.json')
-    try:
-        chat = LiveChat(video_id='__test_id__')
-        _ = chat.get()
-        assert chat.is_alive()
-        chat.terminate()
-        assert not chat.is_alive()
-    except ResponseContextError:
-        assert False
--- a/tests/test_livechat_2.py
+++ b/tests/test_livechat_2.py
@@ -1,113 +0,0 @@
-import asyncio
-import json
-from pytest_httpx import HTTPXMock
-from concurrent.futures import CancelledError
-from pytchat.core_multithread.livechat import LiveChat
-from pytchat.core_async.livechat import LiveChatAsync
-from pytchat.processors.dummy_processor import DummyProcessor
-
-
-def _open_file(path):
-    with open(path, mode='r', encoding='utf-8') as f:
-        return f.read()
-
-
-def add_response_file(httpx_mock: HTTPXMock, jsonfile_path: str):
-    testdata = json.loads(_open_file(jsonfile_path))
-    httpx_mock.add_response(json=testdata)
-
-
-def test_async_live_stream(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/test_stream.json')
-
-    async def test_loop():
-        chat = LiveChatAsync(video_id='__test_id__', processor=DummyProcessor())
-        chats = await chat.get()
-        rawdata = chats[0]["chatdata"]
-        assert list(rawdata[0]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatTextMessageRenderer"
-        assert list(rawdata[1]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatTextMessageRenderer"
-        assert list(rawdata[2]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatPlaceholderItemRenderer"
-        assert list(rawdata[3]["addLiveChatTickerItemAction"]["item"].keys())[
-            0] == "liveChatTickerPaidMessageItemRenderer"
-        assert list(rawdata[4]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatPaidMessageRenderer"
-        assert list(rawdata[5]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatPaidStickerRenderer"
-        assert list(rawdata[6]["addLiveChatTickerItemAction"]["item"].keys())[
-            0] == "liveChatTickerSponsorItemRenderer"
-
-    loop = asyncio.get_event_loop()
-    try:
-        loop.run_until_complete(test_loop())
-    except CancelledError:
-        assert True
-
-
-def test_async_replay_stream(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/finished_live.json')
-    add_response_file(httpx_mock, 'tests/testdata/chatreplay.json')
-
-    async def test_loop():
-        chat = LiveChatAsync(video_id='__test_id__', processor=DummyProcessor())
-        chats = await chat.get()
-        rawdata = chats[0]["chatdata"]
-        # assert fetching replaychat data
-        assert list(rawdata[0]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatTextMessageRenderer"
-        assert list(rawdata[14]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatPaidMessageRenderer"
-
-    loop = asyncio.get_event_loop()
-    try:
-        loop.run_until_complete(test_loop())
-    except CancelledError:
-        assert True
-
-
-def test_async_force_replay(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/test_stream.json')
-    add_response_file(httpx_mock, 'tests/testdata/chatreplay.json')
-
-    async def test_loop():
-        chat = LiveChatAsync(
-            video_id='__test_id__', processor=DummyProcessor(), force_replay=True)
-        chats = await chat.get()
-        rawdata = chats[0]["chatdata"]
-        # assert fetching replaychat data
-        assert list(rawdata[14]["addChatItemAction"]["item"].keys())[
-            0] == "liveChatPaidMessageRenderer"
-        # assert not mix livechat data
-        assert list(rawdata[2]["addChatItemAction"]["item"].keys())[
-            0] != "liveChatPlaceholderItemRenderer"
-
-    loop = asyncio.get_event_loop()
-    try:
-        loop.run_until_complete(test_loop())
-    except CancelledError:
-        assert True
-
-
-def test_multithread_live_stream(httpx_mock: HTTPXMock):
-    add_response_file(httpx_mock, 'tests/testdata/test_stream.json')
-    chat = LiveChat(video_id='__test_id__', processor=DummyProcessor())
-    chats = chat.get()
-    rawdata = chats[0]["chatdata"]
-    # assert fetching livachat data
-    assert list(rawdata[0]["addChatItemAction"]["item"].keys())[
-        0] == "liveChatTextMessageRenderer"
-    assert list(rawdata[1]["addChatItemAction"]["item"].keys())[
-        0] == "liveChatTextMessageRenderer"
-    assert list(rawdata[2]["addChatItemAction"]["item"].keys())[
-        0] == "liveChatPlaceholderItemRenderer"
-    assert list(rawdata[3]["addLiveChatTickerItemAction"]["item"].keys())[
-        0] == "liveChatTickerPaidMessageItemRenderer"
-    assert list(rawdata[4]["addChatItemAction"]["item"].keys())[
-        0] == "liveChatPaidMessageRenderer"
-    assert list(rawdata[5]["addChatItemAction"]["item"].keys())[
-        0] == "liveChatPaidStickerRenderer"
-    assert list(rawdata[6]["addLiveChatTickerItemAction"]["item"].keys())[
-        0] == "liveChatTickerSponsorItemRenderer"
-    chat.terminate()
--- a/tests/test_liveparam.py
+++ b/tests/test_liveparam.py
@@ -1,9 +0,0 @@
-import pytest
-from pytchat.paramgen import liveparam
-
-def test_liveparam_0(mocker):
-    _ts1= 1546268400
-    param = liveparam._build("01234567890",
-    *([_ts1*1000000 for i in range(5)]), topchat_only=False)
-    test_param="0ofMyANcGhxDZzhLRFFvTE1ERXlNelExTmpjNE9UQWdBUT09KIC41tWqyt8CQAFKC1CAuNbVqsrfAlgDUIC41tWqyt8CWIC41tWqyt8CaAGCAQIIAZoBAKABgLjW1arK3wI%3D"
-    assert test_param == param
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -12,29 +12,23 @@ def _open_file(path):


 def test_finishedlive(*mock):
-    '''配信が終了した動画を正しく処理できるか'''
    _text = _open_file('tests/testdata/finished_live.json')
    _text = json.loads(_text)

    try:
-        parser.parse(parser.get_contents(_text))
+        parser.parse(parser.get_contents(_text)[0])
        assert False
    except NoContents:
        assert True


 def test_parsejson(*mock):
-    '''jsonを正常にパースできるか'''
    _text = _open_file('tests/testdata/paramgen_firstread.json')
    _text = json.loads(_text)

    try:
-        parser.parse(parser.get_contents(_text))
-        jsn = _text
-        timeout = jsn["response"]["continuationContents"]["liveChatContinuation"]["continuations"][0]["timedContinuationData"]["timeoutMs"]
-        continuation = jsn["response"]["continuationContents"]["liveChatContinuation"][
-            "continuations"][0]["timedContinuationData"]["continuation"]
-        assert timeout == 5035
-        assert continuation == "0ofMyAPiARp8Q2c4S0RRb0xhelJMZDBsWFQwdERkalFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5YXpSTGQwbFhUMHREZGpRbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiPz5-Os-PkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgJqXjrPj5AJYA1CRwciOs-PkAli3pNq1k-PkAmgBggEECAEQAIgBAKABjbfnjrPj5AI%3D"
+        s, _ = parser.parse(parser.get_contents(_text)[0])
+        assert s['timeoutMs'] == 5035
+        assert s['continuation'] == "0ofMyAPiARp8Q2c4S0RRb0xhelJMZDBsWFQwdERkalFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5YXpSTGQwbFhUMHREZGpRbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiPz5-Os-PkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgJqXjrPj5AJYA1CRwciOs-PkAli3pNq1k-PkAmgBggEECAEQAIgBAKABjbfnjrPj5AI%3D"
    except Exception:
        assert False
--- a/tests/test_speed_calculator.py
+++ b/tests/test_speed_calculator.py
@@ -15,7 +15,7 @@ def test_speed_1(mocker):

    _json = _open_file("tests/testdata/speed/speedtest_normal.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 10,
@@ -32,7 +32,7 @@ def test_speed_2(mocker):

    _json = _open_file("tests/testdata/speed/speedtest_undefined.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 10,
@@ -49,7 +49,7 @@ def test_speed_3(mocker):

    _json = _open_file("tests/testdata/speed/speedtest_empty.json")

-    _, chatdata = parser.parse(parser.get_contents(json.loads(_json)))
+    _, chatdata = parser.parse(parser.get_contents(json.loads(_json))[0])
    data = {
        "video_id": "",
        "timeout": 10,
--- a/tests/test_speed_calculator2.py
+++ b/tests/test_speed_calculator2.py
@@ -0,0 +1,16 @@
+import json
+import pytchat
+from pytchat.parser.live import Parser
+from pytchat.processors.speed.calculator import SpeedCalculator
+
+parser = Parser(is_replay=False)
+
+
+def test_speed_1():
+    stream = pytchat.create("Hj-wnLIYKjw", seektime = 6000,processor=SpeedCalculator())
+    while stream.is_alive():
+        speed = stream.get()
+        assert speed > 100
+        break
+test_speed_1()
+    
--- a/tests/test_videoinfo.py
+++ b/tests/test_videoinfo.py
@@ -1,101 +0,0 @@
-from json.decoder import JSONDecodeError
-from pytchat.tool.videoinfo import VideoInfo
-from pytchat.exceptions import InvalidVideoIdException
-
-
-def _open_file(path):
-    with open(path, mode='r', encoding='utf-8') as f:
-        return f.read()
-
-
-def _set_test_data(filepath, mocker):
-    _text = _open_file(filepath)
-    response_mock = mocker.Mock()
-    response_mock.status_code = 200
-    response_mock.text = _text
-    mocker.patch('httpx.Client.get').return_value = response_mock
-
-
-def test_archived_page(mocker):
-    _set_test_data('tests/testdata/videoinfo/archived_page.txt', mocker)
-    info = VideoInfo('__test_id__')
-    actual_thumbnail_url = 'https://i.ytimg.com/vi/fzI9FNjXQ0o/hqdefault.jpg'
-    assert info.video_id == '__test_id__'
-    assert info.get_channel_name() == 'GitHub'
-    assert info.get_thumbnail() == actual_thumbnail_url
-    assert info.get_title() == 'GitHub Arctic Code Vault'
-    assert info.get_channel_id() == 'UC7c3Kb6jYCRj4JOHHZTxKsQ'
-    assert info.get_duration() == 148
-
-
-def test_live_page(mocker):
-    _set_test_data('tests/testdata/videoinfo/live_page.txt', mocker)
-    info = VideoInfo('__test_id__')
-    '''live page: duration==0'''
-    assert info.get_duration() == 0
-    assert info.video_id == '__test_id__'
-    assert info.get_channel_name() == 'BGM channel'
-    assert info.get_thumbnail() == \
-        'https://i.ytimg.com/vi/fEvM-OUbaKs/hqdefault_live.jpg'
-    assert info.get_title() == (
-        'Coffee Jazz Music - Chill Out Lounge Jazz Music Radio'
-        ' - 24/7 Live Stream - Slow Jazz')
-    assert info.get_channel_id() == 'UCQINXHZqCU5i06HzxRkujfg'
-
-
-def test_invalid_video_id(mocker):
-    '''Test case invalid video_id is specified.'''
-    _set_test_data(
-        'tests/testdata/videoinfo/invalid_video_id_page.txt', mocker)
-    try:
-        _ = VideoInfo('__test_id__')
-        assert False
-    except InvalidVideoIdException:
-        assert True
-
-
-def test_no_info(mocker):
-    '''Test case the video page has renderer, but no info.'''
-    _set_test_data(
-        'tests/testdata/videoinfo/no_info_page.txt', mocker)
-    info = VideoInfo('__test_id__')
-    assert info.video_id == '__test_id__'
-    assert info.get_channel_name() is None
-    assert info.get_thumbnail() is None
-    assert info.get_title() is None
-    assert info.get_channel_id() is None
-    assert info.get_duration() is None
-
-
-def test_collapsed_data(mocker):
-    '''Test case the video page's info is collapsed.'''
-    _set_test_data(
-        'tests/testdata/videoinfo/collapsed_page.txt', mocker)
-    try:
-        _ = VideoInfo('__test_id__')
-        assert False
-    except JSONDecodeError:
-        assert True
-
-
-def test_pattern_unmatch(mocker):
-    '''Test case the pattern for extraction is unmatched.'''
-    _set_test_data(
-        'tests/testdata/videoinfo/pattern_unmatch.txt', mocker)
-    try:
-        _ = VideoInfo('__test_id__')
-        assert False
-    except JSONDecodeError:
-        assert True
-
-
-def test_extradata_handling(mocker):
-    '''Test case the extracted data are JSON lines.'''
-    _set_test_data(
-        'tests/testdata/videoinfo/extradata_page.txt', mocker)
-    try:
-        _ = VideoInfo('__test_id__')
-        assert True
-    except JSONDecodeError as e:
-        print(e.doc)
-        assert False
--- a/tests/testdata/calculator/superchat_0.json
+++ b/tests/testdata/calculator/superchat_0.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3320,5 +3319,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/calculator/text_only.json
+++ b/tests/testdata/calculator/text_only.json
@@ -1,5 +1,4 @@
 {
- "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -85,5 +84,4 @@
      ]
    }
  }
- }
 }
--- a/tests/testdata/chatreplay.json
+++ b/tests/testdata/chatreplay.json
@@ -15,7 +15,6 @@
      "url": "/live_chat_replay/get_live_chat_replay?continuation=op2w0wRyGjxDZzhhRFFvTFUzTnFRMjVJVDJzdFUyc2FFLXFvM2JrQkRRb0xVM05xUTI1SVQyc3RVMnNnQVElM0QlM0QoATAAOABAAEgEUhwIABAAGAAgACoOc3RhdGljY2hlY2tzdW1AAFgDYAFoAHIECAEQAHgA"
    }
  },
-    "response": {
  "responseContext": {
    "serviceTrackingParams": [
      {
@@ -3096,9 +3095,8 @@
        }
      ]
    }
-        }
  },
  "csn": "CAXIXa-uHZnC4wL5nZ7oBQ",
-    "url": "\/live_chat_replay\/get_live_chat_replay?continuation=op2w0wRyGjxDZzhhRFFvTFUzTnFRMjVJVDJzdFUyc2FFLXFvM2JrQkRRb0xVM05xUTI1SVQyc3RVMnNnQVElM0QlM0QoATAAOABAAEgEUhwIABAAGAAgACoOc3RhdGljY2hlY2tzdW1AAFgDYAFoAHIECAEQAHgA",
+  "url": "/live_chat_replay/get_live_chat_replay?continuation=op2w0wRyGjxDZzhhRFFvTFUzTnFRMjVJVDJzdFUyc2FFLXFvM2JrQkRRb0xVM05xUTI1SVQyc3RVMnNnQVElM0QlM0QoATAAOABAAEgEUhwIABAAGAAgACoOc3RhdGljY2hlY2tzdW1AAFgDYAFoAHIECAEQAHgA",
  "xsrf_token": "QUFFLUhqbTZWWEFiT3ZxaDAtY09pRzZXSUotZC1uclFMQXxBQ3Jtc0tsOFZYN09CWFlBd2NKSFB4R3hmN3dUY2xXaW9tbzdFZlZBTllDcnBhMG9WUXVkZGZ5RGRIYkxSajBiNVpsNU5PV3hNYkhUZGJybTVEYWM2MWREbTRUYnc3XzRpeUJVbFpNR0dod1RPbGtVLWJhdkhtUVpVN0JKVGNSQVRSY0ZsODhodEwxaWdjN0pHZThlbEJVXzJMc2VXZGtQOXc="
 }
--- a/tests/testdata/compatible/newSponsor.json
+++ b/tests/testdata/compatible/newSponsor.json
@@ -4,7 +4,7 @@
      "st": 100
    }
  },
-    "response": {
+
  "responseContext": {
    "serviceTrackingParams": [
      {
@@ -1838,9 +1838,8 @@
      }
    }
  },
-        "trackingParams": "CAAQ0b4BIhMI1LbVw_aa5QIV2cxMAh2AtAj8"
-    },
-    "url": "\/live_chat\/get_live_chat?continuation=0ofMyAOBAhrKAUNrd1NJUW9ZVlVOdVVsRlpTRlJ1VWt4VFJqQmpURXAzVFc1bFpFTm5FZ1V2YkdsMlpTb25DaGhWUTI1U1VWbElWRzVTVEZOR01HTk1TbmROYm1Wa1EyY1NDMDFETTNkVlNpMUNXRTVGR2tPcXVjRzlBVDBLTzJoMGRIQnpPaTh2ZDNkM0xubHZkWFIxWW1VdVkyOXRMMnhwZG1WZlkyaGhkRDkyUFUxRE0zZFZTaTFDV0U1RkptbHpYM0J2Y0c5MWREMHhJQUklM0QwAUopCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoAUPOaw8P2muUCWANoAYIBAggB",
+  "trackingParams": "CAAQ0b4BIhMI1LbVw_aa5QIV2cxMAh2AtAj8",
+  "url": "/live_chat/get_live_chat?continuation=0ofMyAOBAhrKAUNrd1NJUW9ZVlVOdVVsRlpTRlJ1VWt4VFJqQmpURXAzVFc1bFpFTm5FZ1V2YkdsMlpTb25DaGhWUTI1U1VWbElWRzVTVEZOR01HTk1TbmROYm1Wa1EyY1NDMDFETTNkVlNpMUNXRTVGR2tPcXVjRzlBVDBLTzJoMGRIQnpPaTh2ZDNkM0xubHZkWFIxWW1VdVkyOXRMMnhwZG1WZlkyaGhkRDkyUFUxRE0zZFZTaTFDV0U1RkptbHpYM0J2Y0c5MWREMHhJQUklM0QwAUopCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoAUPOaw8P2muUCWANoAYIBAggB",
  "csn": "PvujXbH0OIazqQHXgJ64DQ",
  "endpoint": {
    "commandMetadata": {
--- a/tests/testdata/compatible/newSponsor_rev.json
+++ b/tests/testdata/compatible/newSponsor_rev.json
@@ -4,7 +4,7 @@
            "st": 100
        }
    },
-    "response": {
+    
        "responseContext": {
            "serviceTrackingParams": [
                {
@@ -1805,7 +1805,7 @@
            }
        },
        "trackingParams": "CAAQ0b4BIhMI1LbVw_aa5QIV2cxMAh2AtAj8"
-    },
+    ,
    "url": "\/live_chat\/get_live_chat?continuation=0ofMyAOBAhrKAUNrd1NJUW9ZVlVOdVVsRlpTRlJ1VWt4VFJqQmpURXAzVFc1bFpFTm5FZ1V2YkdsMlpTb25DaGhWUTI1U1VWbElWRzVTVEZOR01HTk1TbmROYm1Wa1EyY1NDMDFETTNkVlNpMUNXRTVGR2tPcXVjRzlBVDBLTzJoMGRIQnpPaTh2ZDNkM0xubHZkWFIxWW1VdVkyOXRMMnhwZG1WZlkyaGhkRDkyUFUxRE0zZFZTaTFDV0U1RkptbHpYM0J2Y0c5MWREMHhJQUklM0QwAUopCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoAUPOaw8P2muUCWANoAYIBAggB",
    "csn": "PvujXbH0OIazqQHXgJ64DQ",
    "endpoint": {
--- a/tests/testdata/compatible/superchat.json
+++ b/tests/testdata/compatible/superchat.json
@@ -15,9 +15,9 @@
      "url": "/live_chat/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D"
    }
  },
-    "url": "\/live_chat\/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D",
+  "url": "/live_chat/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D",
  "csn": "n2STXd2iKZr2gAOt9qvgCg",
-    "response": {
+
  "responseContext": {
    "serviceTrackingParams": [
      {
@@ -278,5 +278,4 @@
      ]
    }
  }
-    }
 }
--- a/tests/testdata/compatible/supersticker.json
+++ b/tests/testdata/compatible/supersticker.json
@@ -15,9 +15,8 @@
      "url": "/live_chat/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D"
    }
  },
-    "url": "\/live_chat\/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D",
+  "url": "/live_chat/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xPREJQZW5SS2FIVTNOemdhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5T0RCUGVuUkthSFUzTnpnbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCja2bHMpPvkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQwJKPoqT75AJYA1DXxuTMpPvkAliL_fvZoPvkAmgBggEECAEQAIgBAKABxM3xzKT75AI%253D",
  "csn": "n2STXd2iKZr2gAOt9qvgCg",
-    "response": {
  "responseContext": {
    "serviceTrackingParams": [
      {
@@ -193,5 +192,4 @@
      ]
    }
  }
-    }
 }
--- a/tests/testdata/compatible/textmessage.json
+++ b/tests/testdata/compatible/textmessage.json
@@ -1,5 +1,4 @@
 {
-    "response": {
  "responseContext": {
    "serviceTrackingParams": [
      {
@@ -154,7 +153,6 @@
        }
      ]
    }
-        }
  },
  "endpoint": {
    "commandMetadata": {
@@ -168,7 +166,7 @@
  },
  "csn": "n96GXabRGouFlQTigY2YDg",
  "xsrf_token": "QUFFLUhqbHNNWTF3NFJqc2h3cGE1NE9FWGdaWk5mRlVhUXxBQ3Jtc0tuTWhZNFcyTW1iZnA3ZnFTYUFudVFEUVE0cnFEOVBGcEU1MEh0Zlh4bll1amVmRl9OMkxZV3pKV1ZSbExBeDctTl95NGtBVnJZdlNxeS1KdWVNempEN2N6MHhaU1laV3hnVkZPeHp1OHVDTGVFSGUyOGduT0szbDV5N05LYUZTdzdoTDRwV1VJWndaVjdQVGRjNWVpR0YwUXgtZXc=",
-    "url": "\/live_chat\/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xhelJMZDBsWFQwdERkalFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5YXpSTGQwbFhUMHREZGpRbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiPz5-Os-PkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgJqXjrPj5AJYA1CRwciOs-PkAli3pNq1k-PkAmgBggEECAEQAIgBAKABjbfnjrPj5AI%253D",
+  "url": "/live_chat/get_live_chat?continuation=0ofMyAPiARp8Q2c4S0RRb0xhelJMZDBsWFQwdERkalFhUTZxNXdiMEJQUW83YUhSMGNITTZMeTkzZDNjdWVXOTFkSFZpWlM1amIyMHZiR2wyWlY5amFHRjBQM1k5YXpSTGQwbFhUMHREZGpRbWFYTmZjRzl3YjNWMFBURWdBZyUzRCUzRCiPz5-Os-PkAjAAOABAAUorCAAQABgAIAAqDnN0YXRpY2NoZWNrc3VtOgBAAEoCCAFQgJqXjrPj5AJYA1CRwciOs-PkAli3pNq1k-PkAmgBggEECAEQAIgBAKABjbfnjrPj5AI%253D",
  "timing": {
    "info": {
      "st": 81
--- a/tests/testdata/default/jsonified_item.json
+++ b/tests/testdata/default/jsonified_item.json
@@ -1 +0,0 @@
-{"author": {"badgeUrl": "", "type": "", "isVerified": false, "isChatOwner": false, "isChatSponsor": false, "isChatModerator": false, "channelId": "author_channel_id", "channelUrl": "http://www.youtube.com/channel/author_channel_id", "name": "author_name", "imageUrl": "https://yt3.ggpht.com/------------/AAAAAAAAAAA/AAAAAAAAAAA/xxxxxxxxxxxx/s64-x-x-xx-xx-xx-c0xffffff/photo.jpg"}, "type": "superChat", "id": "dummy_id", "timestamp": 1570678496000, "elapsedTime": "", "datetime": "2019-10-10 12:34:56", "message": "dummy_message", "messageEx": ["dummy_message"], "amountValue": 800.0, "amountString": "￥800", "currency": "JPY", "bgColor": 4280150454, "colors": {"headerBackgroundColor": 4278239141, "headerTextColor": 4278190080, "bodyBackgroundColor": 4280150454, "bodyTextColor": 4278190080, "timestampColor": 2147483648, "authorNameTextColor": 2315255808}}
--- a/tests/testdata/default/jsonified_list.json
+++ b/tests/testdata/default/jsonified_list.json
@@ -1 +0,0 @@
-[{"author": {"badgeUrl": "", "type": "", "isVerified": false, "isChatOwner": false, "isChatSponsor": false, "isChatModerator": false, "channelId": "author_channel_id", "channelUrl": "http://www.youtube.com/channel/author_channel_id", "name": "author_name", "imageUrl": "https://yt3.ggpht.com/------------/AAAAAAAAAAA/AAAAAAAAAAA/xxxxxxxxxxxx/s64-x-x-xx-xx-xx-c0xffffff/photo.jpg"}, "type": "superChat", "id": "dummy_id", "timestamp": 1570678496000, "elapsedTime": "", "datetime": "2019-10-10 12:34:56", "message": "dummy_message", "messageEx": ["dummy_message"], "amountValue": 800.0, "amountString": "￥800", "currency": "JPY", "bgColor": 4280150454, "colors": {"headerBackgroundColor": 4278239141, "headerTextColor": 4278190080, "bodyBackgroundColor": 4280150454, "bodyTextColor": 4278190080, "timestampColor": 2147483648, "authorNameTextColor": 2315255808}}]
--- a/tests/testdata/default/newSponsor_current.json
+++ b/tests/testdata/default/newSponsor_current.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -96,5 +95,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/default/newSponsor_lagacy.json
+++ b/tests/testdata/default/newSponsor_lagacy.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -78,5 +77,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/default/replay_member_text.json
+++ b/tests/testdata/default/replay_member_text.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": "data"
  },
@@ -108,5 +107,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/default/superchat.json
+++ b/tests/testdata/default/superchat.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -180,5 +179,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/default/supersticker.json
+++ b/tests/testdata/default/supersticker.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -95,5 +94,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/default/textmessage.json
+++ b/tests/testdata/default/textmessage.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -75,5 +74,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-0.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-0.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -6124,5 +6123,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-1.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-1.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -3074,5 +3073,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-2.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-2.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -3074,5 +3073,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-3.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-3.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -3074,5 +3073,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-4.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-4.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -2525,5 +2524,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/head/dp0-5.json
+++ b/tests/testdata/extract_duplcheck/head/dp0-5.json
@@ -1,5 +1,4 @@
 {
-  "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -1427,5 +1426,4 @@
      ]
    }
  }
-  }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-0.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-0.json
@@ -1,5 +1,4 @@
 {
- "response": {
  "responseContext": {
    "webResponseContextExtensionData": ""
  },
@@ -6124,5 +6123,4 @@
      ]
    }
  }
- }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-1.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-1.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-2.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-2.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-3.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-3.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-4.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-4.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -2525,5 +2524,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/extract_duplcheck/overlap/dp0-5.json
+++ b/tests/testdata/extract_duplcheck/overlap/dp0-5.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -1427,5 +1426,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/fetch_patch/pt0-0.json
+++ b/tests/testdata/fetch_patch/pt0-0.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/fetch_patch/pt0-1.json
+++ b/tests/testdata/fetch_patch/pt0-1.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/fetch_patch/pt0-3.json
+++ b/tests/testdata/fetch_patch/pt0-3.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/fetch_patch/pt0-4.json
+++ b/tests/testdata/fetch_patch/pt0-4.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/tests/testdata/fetch_patch/pt0-5.json
+++ b/tests/testdata/fetch_patch/pt0-5.json
@@ -1,5 +1,4 @@
 {
- "response": {
 "responseContext": {
  "webResponseContextExtensionData": ""
 },
@@ -3074,5 +3073,4 @@
   ]
  }
 }
- }
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
taizan-hokouto	6c7dc03d06	Merge branch 'release/v0.5.5'	2021-07-24 23:00:30 +09:00
taizan-hokouto	f511049eaa	Increment version	2021-07-24 22:59:46 +09:00
taizan-hokouto	76118ba196	Update classifiers	2021-07-24 22:59:26 +09:00
taizan-hokouto	83b10ab2f3	Merge branch 'feature/client' into develop	2021-07-24 22:50:28 +09:00
taizan-hokouto	604c52e608	Update requirements	2021-07-24 22:46:56 +09:00
taizan-hokouto	8949599232	Update pipfile	2021-07-24 22:46:56 +09:00
taizan-hokouto	c9c235061c	Add tests	2021-07-24 22:46:56 +09:00
taizan-hokouto	328889689f	Make it possible to use customized client	2021-07-24 22:46:56 +09:00
taizan-hokouto	e865c25a4e	Merge branch 'develop'	2021-07-01 23:40:47 +09:00
taizan-hokouto	6d581c22f9	Increment version	2021-07-01 23:39:36 +09:00
taizan-hokouto	87aadeeb58	Enhance channelID extraction	2021-07-01 22:44:41 +09:00
taizan-hokouto	d331131cfe	Merge branch 'master' into develop	2021-07-01 20:51:16 +09:00
taizan-hokuto	0dce1b009a	Merge pull request #47 from taizan-hokuto/dependabot/pip/urllib3-1.26.5 Bump urllib3 from 1.26.4 to 1.26.5	2021-06-08 19:21:46 +09:00
dependabot[bot]	bd77cd2058	Bump urllib3 from 1.26.4 to 1.26.5 Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.4 to 1.26.5. - [Release notes](https://github.com/urllib3/urllib3/releases) - [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst) - [Commits](https://github.com/urllib3/urllib3/compare/1.26.4...1.26.5) --- updated-dependencies: - dependency-name: urllib3 dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com>	2021-06-02 03:37:37 +00:00
taizan-hokuto	8e47e8d5db	Merge pull request #44 from taizan-hokuto/dependabot/pip/urllib3-1.26.4 Bump urllib3 from 1.26.3 to 1.26.4	2021-04-25 12:54:19 +09:00
dependabot[bot]	946dd155d8	Bump urllib3 from 1.26.3 to 1.26.4 Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.3 to 1.26.4. - [Release notes](https://github.com/urllib3/urllib3/releases) - [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst) - [Commits](https://github.com/urllib3/urllib3/compare/1.26.3...1.26.4) Signed-off-by: dependabot[bot] <support@github.com>	2021-04-06 18:25:46 +00:00
taizan-hokouto	3565153597	Merge branch 'master' into develop	2021-02-20 21:20:10 +09:00
taizan-hokouto	f6c6ec5603	Modify .gitignore	2021-02-20 21:19:14 +09:00
taizan-hokuto	1cd0bab60b	Ignore .gitignore	2021-02-20 21:05:23 +09:00
taizan-hokuto	1c246eea6d	Merge pull request #40 from mark-ignacio/gitignore add .gitignore for __pycache__	2021-02-20 21:04:07 +09:00
Mark Ignacio	3a365243d9	add .gitignore for __pycache__	2021-02-13 10:08:52 -08:00
taizan-hokuto	7f8882c9e9	Merge pull request #38 from taizan-hokuto/dependabot/pip/cryptography-3.3.2 Bump cryptography from 3.3.1 to 3.3.2	2021-02-12 21:37:23 +09:00
taizan-hokouto	bc401ac80f	Merge tag 'fix_param' into develop	2021-02-11 02:02:14 +09:00
taizan-hokouto	0a9837adca	Merge branch 'hotfix/fix_param'	2021-02-11 02:02:14 +09:00
taizan-hokouto	f4bf30c0e9	Increment version	2021-02-11 01:57:45 +09:00
taizan-hokouto	acfba74821	Delete tests	2021-02-11 01:56:43 +09:00
taizan-hokouto	f46845c777	Fix parameters for live	2021-02-11 01:56:32 +09:00
dependabot[bot]	74f1536553	Bump cryptography from 3.3.1 to 3.3.2 Bumps [cryptography](https://github.com/pyca/cryptography) from 3.3.1 to 3.3.2. - [Release notes](https://github.com/pyca/cryptography/releases) - [Changelog](https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst) - [Commits](https://github.com/pyca/cryptography/compare/3.3.1...3.3.2) Signed-off-by: dependabot[bot] <support@github.com>	2021-02-10 02:41:39 +00:00
taizan-hokuto	af4c2fe4b9	Merge pull request #36 from taizan-hokuto/dependabot/pip/bleach-3.3.0 Bump bleach from 3.2.1 to 3.3.0	2021-02-04 00:46:52 +09:00
dependabot[bot]	b7c656536d	Bump bleach from 3.2.1 to 3.3.0 Bumps [bleach](https://github.com/mozilla/bleach) from 3.2.1 to 3.3.0. - [Release notes](https://github.com/mozilla/bleach/releases) - [Changelog](https://github.com/mozilla/bleach/blob/master/CHANGES) - [Commits](https://github.com/mozilla/bleach/compare/v3.2.1...v3.3.0) Signed-off-by: dependabot[bot] <support@github.com>	2021-02-02 23:12:20 +00:00
taizan-hokouto	faf875c0f5	Merge tag 'v0.5.2' into develop v0.5.2	2021-01-17 22:41:20 +09:00
taizan-hokouto	b3ebe3879d	Merge branch 'release/v0.5.2'	2021-01-17 22:41:20 +09:00
taizan-hokouto	da79895e55	Increment version	2021-01-17 22:40:15 +09:00
taizan-hokouto	aaa7421fdf	Add replay_continuation parameter	2021-01-17 22:38:04 +09:00
taizan-hokuto	b9f213f047	Merge pull request #32 from miyuk/develop-add-replay-continuation Add replay_continuation parameter	2021-01-15 00:11:04 +09:00
miyuk	fee070b299	Add replay_continuation parameter	2021-01-14 20:06:32 +09:00
taizan-hokouto	275e28b635	Merge tag 'v0.5.1' into develop v0.5.1	2021-01-09 22:14:56 +09:00
taizan-hokouto	808e599be6	Merge branch 'release/v0.5.1'	2021-01-09 22:14:55 +09:00
taizan-hokouto	5cb6f7f123	Increment version	2021-01-09 22:14:30 +09:00
taizan-hokouto	a2f1c658f0	Merge branch 'master' into develop	2021-01-09 22:13:15 +09:00
taizan-hokouto	05de644d77	Merge branch 'hotfix/fix'	2021-01-09 22:13:15 +09:00
taizan-hokouto	b908855566	Delete unnecessary line	2021-01-09 22:12:33 +09:00
taizan-hokouto	8d93bfcb95	Merge branch 'master' into develop	2021-01-09 22:10:28 +09:00
taizan-hokouto	bf68859f38	Merge branch 'hotfix/fix'	2021-01-09 22:10:28 +09:00
taizan-hokouto	78fbe97b66	Fix process of fetching archived chat	2021-01-09 22:09:31 +09:00
taizan-hokouto	166a256c1c	Merge tag 'v0.5.0' into develop v0.5.0	2020-12-13 22:29:25 +09:00
taizan-hokouto	b7f2967a4f	Merge branch 'release/v0.5.0'	2020-12-13 22:29:25 +09:00
taizan-hokouto	0a8ff3abdc	Increment version	2020-12-13 22:28:39 +09:00
taizan-hokouto	9b38a5428d	Add python version	2020-12-13 22:08:10 +09:00
taizan-hokuto	9311bf1993	Merge pull request #26 from zecktos/patch-1 Fix for python3.9	2020-12-13 22:04:18 +09:00
zecktos	ee839da7c9	Fix for python3.9 'encoding' is deprecated and removed in Python 3.9 could fix this https://github.com/taizan-hokuto/pytchat/issues/24	2020-12-13 13:39:58 +01:00
taizan-hokouto	2ae77b3850	Merge branch 'hotfix/readme'	2020-12-13 14:22:05 +09:00
taizan-hokouto	afd7cea635	Merge branch 'master' into develop	2020-12-13 14:22:05 +09:00
taizan-hokouto	9018ff9ee4	Update README	2020-12-13 14:21:42 +09:00
taizan-hokouto	b676912d64	Merge branch 'master' into develop	2020-12-05 21:32:13 +09:00
taizan-hokouto	d75e1db304	Merge branch 'hotfix/rem'	2020-12-05 21:32:12 +09:00
taizan-hokouto	0d7dd26ede	Increment version	2020-12-05 21:29:12 +09:00
taizan-hokouto	24b9f45e4a	Remove entry point	2020-12-05 21:28:59 +09:00
taizan-hokouto	821cc57024	Merge tag 'v0.4.8' into develop v0.4.8	2020-12-05 21:11:42 +09:00
taizan-hokouto	f050f5d650	Merge branch 'release/v0.4.8'	2020-12-05 21:11:42 +09:00
taizan-hokouto	c4eb78e112	Increment version	2020-12-05 21:11:18 +09:00
taizan-hokouto	40b0138a92	Merge branch 'master' into develop	2020-12-05 21:10:01 +09:00
taizan-hokouto	1d80dce913	Merge branch 'hotfix/dat'	2020-12-05 21:10:00 +09:00
taizan-hokouto	8b18f4476a	Update README	2020-12-05 21:07:11 +09:00
taizan-hokouto	35a27fee3e	Remove files	2020-12-05 20:59:47 +09:00
taizan-hokouto	eca766ff1a	Update requirements	2020-12-05 14:45:24 +09:00
taizan-hokouto	139dc7fce2	Fix tests	2020-12-05 14:44:25 +09:00
taizan-hokouto	2c8a883ee3	Format	2020-12-05 14:43:56 +09:00
taizan-hokouto	865e4b5fab	Remove files	2020-12-05 14:43:33 +09:00
taizan-hokouto	02d48ceccc	Fix process	2020-12-05 14:42:02 +09:00
taizan-hokouto	bc3f16e86b	Move functions	2020-12-05 14:39:55 +09:00
taizan-hokouto	1e6ce58f8b	Merge branch 'master' into develop	2020-11-19 19:13:54 +09:00
taizan-hokouto	4db9486853	Merge branch 'hotfix/readme'	2020-11-19 19:13:53 +09:00
taizan-hokouto	775b79642e	Update README	2020-11-19 19:12:54 +09:00
taizan-hokouto	423a128882	Merge tag 'v0.4.7' into develop v0.4.7	2020-11-18 01:25:10 +09:00
taizan-hokouto	aaf9860bdc	Merge branch 'release/v0.4.7'	2020-11-18 01:25:10 +09:00
taizan-hokouto	83ad4dcf1f	Increment version	2020-11-18 01:24:37 +09:00
taizan-hokouto	765251b872	Merge branch 'feature/pipenv' into develop	2020-11-18 01:17:35 +09:00
taizan-hokouto	7ea88fead2	Modify requirements	2020-11-18 01:16:49 +09:00
taizan-hokouto	ea67e3e54e	Add pipenv files	2020-11-18 01:16:01 +09:00
taizan-hokouto	7cf780ee87	Merge branch 'master' into develop	2020-11-17 01:11:22 +09:00
taizan-hokouto	6fcc1393de	Merge branch 'master' into develop	2020-11-17 01:01:56 +09:00
taizan-hokouto	661d1e4b81	Fix tests	2020-11-17 00:54:32 +09:00
taizan-hokouto	966320cab5	Merge branch 'master' into develop	2020-11-16 23:32:32 +09:00
taizan-hokouto	3ad6b7e845	Merge branch 'master' into develop	2020-11-16 23:29:50 +09:00
taizan-hokouto	7b0708ec46	Merge branch 'master' into develop	2020-11-16 23:17:37 +09:00
taizan-hokouto	13812bdad3	Merge tag 'v0.4.5' into develop v0.4.5	2020-11-16 01:50:50 +09:00
				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
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