diff --git a/m3u8.py b/m3u8.py
new file mode 100644
index 0000000..aeb007e
--- /dev/null
+++ b/m3u8.py
@@ -0,0 +1,323 @@
+# 4.08.2023 -> 14.09.2023 -> 17.09.2023 -> 3.12.2023
+
+# Import
+import re, os, sys, glob, time, requests, shutil, ffmpeg, subprocess
+from functools import partial
+from multiprocessing.dummy import Pool
+from tqdm.rich import tqdm
+import moviepy.editor as mp
+from Stream.util.platform import *
+
+# Class import
+#from Stream.util.console import console
+from Stream.util.console import console
+
+# Disable warning
+import warnings
+from tqdm import TqdmExperimentalWarning
+warnings.filterwarnings("ignore", category=TqdmExperimentalWarning)
+
+# Variable
+main_out_folder = "videos"
+os.makedirs("videos", exist_ok=True)
+
+# [ decoder ] -> costant = ou_ts
+class Video_Decoder(object):
+
+    iv = ""
+    uri = ""
+    method = ""
+
+    def __init__(self, x_key, uri):
+        self.method = x_key["METHOD"] if "METHOD" in x_key.keys() else ""
+        self.uri = uri
+        self.iv = x_key["IV"].lstrip("0x") if "IV" in x_key.keys() else ""
+
+    def decode_aes_128(self, video_fname: str):
+        if is_platform_linux():
+            frame_name = video_fname.split("/")[-1].split("-")[0] + ".ts"
+        else:
+            frame_name = video_fname.split("\\")[-1].split("-")[0] + ".ts"
+        res_cmd = subprocess.run(["openssl","aes-128-cbc","-d","-in", video_fname,"-out", "ou_ts/"+frame_name,"-nosalt","-iv", self.iv,"-K", self.uri ], capture_output=True)
+
+        res_cmd_str = res_cmd.stderr.decode("utf-8")
+        res_cmd_fix = res_cmd_str.replace("b", "").replace("\n", "").replace("\r", "")
+
+        if "lengthad" in res_cmd_fix:
+            console.log("[red]Wrong m3u8 key or remove key from input !!!")
+            sys.exit(0)
+
+def decode_ext_x_key(key_str: str):
+    key_str = key_str.replace('"', '').lstrip("#EXT-X-KEY:")
+    v_list = re.findall(r"[^,=]+", key_str)
+    key_map = {v_list[i]: v_list[i+1] for i in range(0, len(v_list), 2)}
+    return key_map
+
+
+# [ util ] 
+def save_in_part(folder_ts, merged_mp4, file_extension = ".ts"):
+
+    # Get list of ts file in order
+    os.chdir(folder_ts)
+
+
+    # Order all ts file
+    try: ordered_ts_names = sorted(glob.glob(f"*{file_extension}"), key=lambda x:float(re.findall("(\d+)", x.split("_")[1])[0]))
+    except: 
+        try: ordered_ts_names = sorted(glob.glob(f"*{file_extension}"), key=lambda x:float(re.findall("(\d+)", x.split("-")[1])[0]))
+        except: ordered_ts_names = sorted(glob.glob(f"*{file_extension}"))
+
+    open("concat.txt", "wb")
+    open("part_list.txt", "wb")
+
+    # Variable for download
+    list_mp4_part = []
+    part = 0
+    start = 0
+    end = 200
+
+    # Create mp4 from start ts to end
+    def save_part_ts(start, end, part):
+        #console.log(f"[blue]Process part [green][[red]{part}[green]]")
+        list_mp4_part.append(f"{part}.mp4")
+
+
+        with open(f"{part}_concat.txt", "w") as f:
+            for i in range(start, end):
+                f.write(f"file {ordered_ts_names[i]} \n")
+        # try:        
+        #     ffmpeg.input(f"{part}_concat.txt", format='concat', safe=0).output(f"{part}.mp4", c='copy', loglevel="quiet").run(capture_stdout=True, capture_stderr=True)
+        # except ffmpeg.Error as e:
+        #     print('stderr:', e.stderr.decode('utf8'))
+        ffmpeg.input(f"{part}_concat.txt", format='concat', safe=0).output(f"{part}.mp4", c='copy', loglevel="quiet").run(capture_stdout=True, capture_stderr=True)
+
+
+    # Save first part
+    save_part_ts(start, end, part)
+
+    # Save all other part
+    for _ in range(start, end):
+
+        # Increment progress ts file
+        start+= 200
+        end += 200
+        part+=1
+
+        # Check if end or not
+        if(end < len(ordered_ts_names)): 
+            save_part_ts(start, end, part)
+        else:
+            save_part_ts(start, len(ordered_ts_names), part)
+            break
+
+    # Merge all part
+    console.log(f"[purple]Merge all: {file_extension} file")
+    with open("part_list.txt", 'w') as f:
+        for mp4_fname in list_mp4_part:
+            f.write(f"file {mp4_fname}\n")
+            
+    ffmpeg.input("part_list.txt", format='concat', safe=0).output(merged_mp4, c='copy', loglevel="quiet").run()
+
+    # try:
+    #     ffmpeg.input("part_list.txt", format='concat', safe=0).output(merged_mp4, c='copy', loglevel="quiet").run(capture_stdout=True, capture_stderr=True)
+    # except ffmpeg.Error as e:
+    #     print('stderr:', e.stderr.decode('utf8'))
+    
+def download_ts_file(ts_url: str, store_dir: str, headers):
+
+    # Get ts name and folder
+    ts_name = ts_url.split('/')[-1].split("?")[0]
+    ts_dir = store_dir + "/" + ts_name
+
+    # Check if exist
+    if(not os.path.isfile(ts_dir)):
+
+        # Download
+        ts_res = requests.get(ts_url, headers=headers)
+
+        if(ts_res.status_code == 200):
+            with open(ts_dir, 'wb+') as f:
+                f.write(ts_res.content)
+        else:
+            print(f"Failed to download streaming file: {ts_name}.") 
+
+        time.sleep(0.5)
+
+def download_vvt_sub(content, language, folder_id):
+
+    # Get content of vvt
+    url_main_sub = ""
+    vvt = content.split("\n")
+
+    # Find main url or vvt
+    for i in range(len(vvt)):
+        line = str(vvt[i])
+
+        if line.startswith("#EXTINF"):
+            url_main_sub = vvt[i+1]
+            
+    # Save subtitle to main folder out
+    path = os.path.join(main_out_folder, str(folder_id))
+    os.makedirs(path, exist_ok=True)
+    open(os.path.join(path, "sub_"+str(language)+".vtt"), "wb").write(requests.get(url_main_sub).content)
+
+# [ donwload ]
+def dw_m3u8(m3u8_link, m3u8_content, m3u8_headers="", decrypt_key="", merged_mp4="test.mp4"):
+
+    # Reading the m3u8 file
+    m3u8_http_base = m3u8_link.rstrip(m3u8_link.split("/")[-1])
+    m3u8 = m3u8_content.split('\n')
+    ts_url_list = []
+    ts_names = []
+    x_key_dict = dict()
+    is_encryped = False
+
+    # Parsing the content in m3u8 with creation of url_list with url of ts file
+    for i_str in range(len(m3u8)):
+        line_str = m3u8[i_str]
+
+        if "AES-128" in str(line_str):
+            is_encryped = True
+
+        if line_str.startswith("#EXT-X-KEY:"):
+            x_key_dict = decode_ext_x_key(line_str)
+
+        if line_str.startswith("#EXTINF"):
+            ts_url = m3u8[i_str+1]
+            ts_names.append(ts_url.split('/')[-1])
+
+            if not ts_url.startswith("http"):
+                ts_url = m3u8_http_base + ts_url
+
+            ts_url_list.append(ts_url)
+    #console.log(f"[blue]Find [white]=> [red]{len(ts_url_list)}[blue] ts file to download")
+    #console.log(f"[green]Is m3u8 encryped => [red]{is_encryped}")
+
+    if is_encryped and decrypt_key == "": 
+        console.log(f"[red]M3U8 Is encryped")
+        sys.exit(0)
+
+    if is_encryped:
+        #console.log(f"[blue]Use decrypting")
+
+        video_decoder = Video_Decoder(x_key=x_key_dict, uri=decrypt_key)
+        os.makedirs("ou_ts", exist_ok=True)
+
+    #  Using multithreading to download all ts file
+    os.makedirs("temp_ts", exist_ok=True)
+    pool = Pool(15)
+    gen = pool.imap(partial(download_ts_file, store_dir="temp_ts", headers=m3u8_headers), ts_url_list)
+    for _ in tqdm(gen, total=len(ts_url_list), unit="bytes", unit_scale=True, unit_divisor=1024, desc="[yellow]Download"):
+        pass
+    pool.close()
+    pool.join()
+
+    if is_encryped:
+        for ts_fname in tqdm(glob.glob("temp_ts/*.ts"), desc="[yellow]Decoding"):
+            video_decoder.decode_aes_128(ts_fname)
+
+        # Start to merge all *.ts files
+        save_in_part("ou_ts", merged_mp4)
+    else:
+        save_in_part("temp_ts", merged_mp4)
+
+
+    # Clean temp file
+    os.chdir("..")
+    console.log("[green]Clean")
+
+
+    if is_platform_linux():
+        if is_encryped: 
+            shutil.move("ou_ts/"+merged_mp4 , main_out_folder+"/")
+        else: 
+            shutil.move("temp_ts/"+merged_mp4 , main_out_folder+"/")
+
+    else:
+        if is_encryped: 
+            shutil.move("ou_ts\\"+merged_mp4 , main_out_folder+"\\")
+        else: 
+            shutil.move("temp_ts\\"+merged_mp4 , main_out_folder+"\\")
+
+    shutil.rmtree("ou_ts", ignore_errors=True)
+    shutil.rmtree("temp_ts", ignore_errors=True)
+
+def dw_aac(m3u8_link, m3u8_content, m3u8_headers, merged_mp3):
+
+    # Reading the m3u8 file
+    url_base = m3u8_link.rstrip(m3u8_link.split("/")[-1])
+    m3u8 = m3u8_content.split('\n')
+    ts_url_list = []
+    ts_names = []
+
+    # Parsing the content in m3u8 with creation of url_list with url of ts file
+    for i in range(len(m3u8)):
+        line = m3u8[i]
+
+        if line.startswith("#EXTINF"):
+            ts_url = m3u8[i+1]
+            ts_names.append(ts_url.split('/')[-1])
+
+            if not ts_url.startswith("http"):
+                ts_url = url_base + ts_url
+
+            ts_url_list.append(ts_url)
+    console.log(f"[blue]Find [white]=> [red]{len(ts_url_list)}[blue] ts file to download")
+
+    #  Using multithreading to download all ts file
+    os.makedirs("temp_ts", exist_ok=True)
+    pool = Pool(15)
+    gen = pool.imap(partial(download_ts_file, store_dir="temp_ts", headers=m3u8_headers), ts_url_list)
+    for _ in tqdm(gen, total=len(ts_url_list), unit="bytes", unit_scale=True, unit_divisor=1024, desc="[yellow]Download"):
+        pass
+    pool.close()
+    pool.join()
+
+    save_in_part("temp_ts", merged_mp3, file_extension=".aac")
+
+    # Clean temp file
+    os.chdir("..")
+    console.log("[green]Clean")
+    shutil.move("temp_ts\\"+merged_mp3 , ".")
+
+    shutil.rmtree("ou_ts", ignore_errors=True)
+    shutil.rmtree("temp_ts", ignore_errors=True)
+
+def dw_vvt_sub(url, headers, folder_id) -> (None):
+
+    print(url, headers, folder_id)
+
+    # Get content of m3u8 vvt
+    req = requests.get(url, headers=headers)
+    vvts = req.text.split('\n')
+    vvt_data = []
+
+    # Parsing the content in m3u8 of vvt with creation of url_list with url and name of language
+    for line in vvts:
+        line = line.split(",")
+        if line[0] == "#EXT-X-MEDIA:TYPE=SUBTITLES":
+
+            vvt_data.append({
+                'language': line[2].split("=")[1].replace('"', ""),
+                'url': line[-1].split("URI=")[1].replace('"', "")
+            })
+
+    
+    # Check array is not empty
+    if len(vvt_data) > 0:
+
+        # Download all subtitle
+        for i in range(len(vvts)):
+            console.log(f"[blue]Download [red]sub => [green]{vvt_data[i]['language']}")
+            download_vvt_sub(requests.get(vvt_data[i]['url']).text, vvt_data[i]['language'], folder_id)
+
+    else:
+        console.log("[red]Cant find info of subtitle [SKIP]")
+
+def join_audio_to_video(audio_path, video_path, out_path):
+
+    audio = mp.AudioFileClip(audio_path)
+    video1 = mp.VideoFileClip(video_path)
+    final = video1.set_audio(audio)
+
+    final.write_videofile(out_path)
\ No newline at end of file
diff --git a/platform.py b/platform.py
new file mode 100644
index 0000000..32e6073
--- /dev/null
+++ b/platform.py
@@ -0,0 +1,7 @@
+import platform
+
+def is_platform_windows():
+    return platform.system() == "Windows"
+
+def is_platform_linux():
+    return platform.system() == "Linux"