import os import subprocess import threading import asyncio import uuid import time import signal import sys import logging import platform import spider import stream # ----------------- Logging Setup ----------------- logging.basicConfig( level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s", datefmt="%H:%M:%S" ) IS_WINDOWS = platform.system() == "Windows" # ----------------- Douyin to YouTube Streamer ----------------- class DouyinToYouTubeStreamer: def __init__(self, bitrate=5000, audio_bitrate=128, resolution='720x1280', fps=30, gop=60, max_minutes=8): self.push_proc = None self.record_proc = None self.stop_flag = threading.Event() self.bitrate = bitrate self.audio_bitrate = audio_bitrate self.resolution = resolution self.fps = fps self.gop = gop self.start_time = None self.room_name = None self.pushing = False self.out_file = None self.max_minutes = max_minutes os.makedirs("records", exist_ok=True) def start_stream(self, real_url, youtube_key, room_name=None): self.room_name = room_name or f"抖音_{str(uuid.uuid4())[:8]}" logging.info(f"[{self.room_name}] 启动低延迟推流，目标 YouTube Key: {youtube_key}") threading.Thread(target=self._run_stream_loop, args=(real_url, youtube_key), daemon=True).start() threading.Thread(target=self._monitor_thread, daemon=True).start() # ----------------- 构建推流命令 ----------------- def _build_push_cmd(self, real_url, youtube_key): user_agent = ("Mozilla/5.0 (Windows NT 10.0; Win64; x64) " "AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36") headers = "Referer: https://www.douyin.com/\r\nOrigin: https://www.douyin.com\r\n" cmd = [ 'ffmpeg', '-y', '-rw_timeout', '10000000', '-analyzeduration', '1000000', '-probesize', '5000000', '-user_agent', user_agent, '-headers', headers, '-protocol_whitelist', 'file,pipe,http,https,tcp,tls,udp,rtp,crypto', '-fflags', '+discardcorrupt+genpts', '-flags', 'low_delay', '-http_seekable', '0', '-i', real_url, '-c:v', 'libx264', '-preset', 'veryfast', '-tune', 'zerolatency', '-b:v', f'{self.bitrate}k', '-maxrate', f'{self.bitrate}k', '-bufsize', f'{self.bitrate * 2}k', '-r', str(self.fps), '-g', str(self.gop), '-c:a', 'aac', '-b:a', f'{self.audio_bitrate}k', '-ar', '44100', '-ac', '2', '-f', 'flv', f'rtmp://a.rtmp.youtube.com/live2/{youtube_key}' ] return cmd # ----------------- 构建录制命令 ----------------- def _build_record_cmd(self, real_url): base_name = f"{self.room_name}_{int(time.time())}.mp4" self.out_file = os.path.join("records", base_name).replace("\\", "/") cmd = [ 'ffmpeg', '-y', '-i', real_url, '-c:v', 'libx264', '-preset', 'veryfast', '-tune', 'zerolatency', '-c:a', 'aac', '-b:a', f'{self.audio_bitrate}k', '-ar', '44100', '-ac', '2', '-movflags', '+faststart+frag_keyframe', self.out_file ] return cmd # ----------------- 推流循环 ----------------- def _run_stream_loop(self, real_url, youtube_key): while not self.stop_flag.is_set(): try: self.start_time = time.time() self.pushing = False # ---- 启动推流 ---- push_cmd = self._build_push_cmd(real_url, youtube_key) self.push_proc = subprocess.Popen( push_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE ) # ---- 启动本地录制 ---- record_cmd = self._build_record_cmd(real_url) self.record_proc = subprocess.Popen( record_cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE ) logging.info(f"[{self.room_name}] 本地录制开始: {self.out_file}") logging.info(f"[{self.room_name}] 推流进程 PID: {self.push_proc.pid}") # ---- 监控 stderr ---- def monitor_proc(proc, name): try: for line in iter(proc.stderr.readline, b''): if self.stop_flag.is_set(): break if line: decoded = line.decode('utf-8', errors='ignore').strip() if name == "push" and not self.pushing and "frame=" in decoded and "fps=" in decoded: self.pushing = True logging.info(f"[{self.room_name}] 推流到 YouTube 成功") logging.debug(f"[{self.room_name} {name}]: {decoded}") except Exception as e: logging.error(f"[{self.room_name} {name} stderr异常: {e}") threading.Thread(target=monitor_proc, args=(self.push_proc, "push"), daemon=True).start() threading.Thread(target=monitor_proc, args=(self.record_proc, "record"), daemon=True).start() # ---- 循环检查 ---- while not self.stop_flag.is_set(): elapsed = time.time() - self.start_time if elapsed >= self.max_minutes * 60: logging.warning(f"[{self.room_name}] 超过 {self.max_minutes} 分钟，自动停止推流和录制") self.stop() break if self.push_proc.poll() is not None or self.record_proc.poll() is not None: logging.warning(f"[{self.room_name}] FFmpeg 进程退出，1秒后重启...") break time.sleep(2) except Exception as e: logging.error(f"[{self.room_name}] FFmpeg异常: {e}") finally: self._terminate_procs() self._finalize_recording() if not self.stop_flag.is_set(): time.sleep(1) def _terminate_procs(self): for proc in [self.push_proc, self.record_proc]: if proc and proc.poll() is None: proc.terminate() try: proc.wait(timeout=2) except subprocess.TimeoutExpired: proc.kill() self.push_proc, self.record_proc = None, None # ----------------- 监控线程 ----------------- def _monitor_thread(self): while not self.stop_flag.is_set(): uptime = int(time.time() - self.start_time) if self.start_time else 0 m, s = divmod(uptime, 60) status = "推流中" if self.pushing else "启动中" print(f"\r[{self.room_name}] {status} | 运行时间: {m:02d}:{s:02d} | 码率: {self.bitrate}k", end="") time.sleep(2) # ----------------- 停止 ----------------- def stop(self): logging.info(f"[{self.room_name}] 停止推流和录制...") self.stop_flag.set() self._terminate_procs() self._finalize_recording() def _finalize_recording(self): if self.out_file and os.path.exists(self.out_file): try: # 根据系统发送信号完成封装 if self.record_proc and self.record_proc.poll() is None: sig = signal.CTRL_BREAK_EVENT if IS_WINDOWS else signal.SIGINT self.record_proc.send_signal(sig) try: self.record_proc.wait(timeout=5) except subprocess.TimeoutExpired: self.record_proc.kill() except Exception: pass # 重命名文件带时长 elapsed = int(time.time() - self.start_time) if self.start_time else 0 suffix = f"_{elapsed // 60}min" if elapsed >= 60 else f"_{elapsed}s" new_name = self.out_file.replace(".mp4", f"{suffix}.mp4") try: os.rename(self.out_file, new_name) except FileExistsError: new_name = self.out_file.replace(".mp4", f"_{uuid.uuid4().hex[:4]}.mp4") os.rename(self.out_file, new_name) size_mb = os.path.getsize(new_name) / (1024 * 1024) logging.info(f"[{self.room_name}] 本地录制已结束: {new_name} | 大小: {size_mb:.2f} MB") # ----------------- Douyin Stream Parsing ----------------- async def get_douyin_real_url(record_url, record_quality="原画", proxy_addr=None, cookies=''): try: if 'v.douyin.com' not in record_url and '/user/' not in record_url: json_data = await spider.get_douyin_stream_data(url=record_url, proxy_addr=proxy_addr, cookies=cookies) else: json_data = await spider.get_douyin_app_stream_data(url=record_url, proxy_addr=proxy_addr, cookies=cookies) port_info = await stream.get_douyin_stream_url(json_data, record_quality, proxy_addr) return port_info.get("record_url") except Exception as e: logging.error(f"获取抖音真实流失败: {e}") return None def start_douyin_to_youtube(record_url, youtube_key, room_name=None, proxy_addr=None, cookies='', bitrate=5000): real_url = asyncio.run(get_douyin_real_url(record_url, proxy_addr, cookies)) if not real_url: logging.error("获取真实直播流失败") return None logging.info(f"实际直播流: {real_url}") streamer = DouyinToYouTubeStreamer(bitrate=bitrate) streamer.start_stream(real_url, youtube_key, room_name) return streamer # ----------------- Main Program ----------------- if __name__ == "__main__": DOUYIN_URL = "https://live.douyin.com/321245312734" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" streamer_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY) if not streamer_instance: logging.error("推流实例创建失败，程序退出") sys.exit(1) def signal_handler(sig, frame): if streamer_instance: streamer_instance.stop() sys.exit(0) signal.signal(signal.SIGINT, signal_handler) signal.signal(signal.SIGTERM, signal_handler) logging.info("程序已启动，低延迟推流中，按 Ctrl+C 停止...") while True: time.sleep(60)