import os import subprocess import threading import asyncio import uuid import time import signal import sys import shutil import logging import spider import stream # ----------------- Logging Setup ----------------- logging.basicConfig( level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s", datefmt="%H:%M:%S" ) # ----------------- Low-Latency Douyin to YouTube Streamer ----------------- class DouyinToYouTubeStreamer: def __init__(self, bitrate=5000, audio_bitrate=128, resolution='720x1280', fps=30, gop=60): self.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.semaphore = threading.Semaphore(1) self.pushing = False # 是否正在推流 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_ffmpeg_loop, args=(real_url, youtube_key), daemon=True).start() threading.Thread(target=self._monitor_thread, daemon=True).start() def _build_ffmpeg_cmd(self, real_url, youtube_key): user_agent = ("Mozilla/5.0 (Linux; Android 11; SAMSUNG SM-G973U) AppleWebKit/537.36 " "(KHTML, like Gecko) SamsungBrowser/14.2 Chrome/87.0.4280.141 Mobile Safari/537.36") headers = "Referer: https://www.douyin.com/\r\nOrigin: https://www.douyin.com\r\n" cmd = [ 'ffmpeg', '-y', '-v', 'error', '-hide_banner', '-rw_timeout', '10000000', '-analyzeduration', '1000000', '-probesize', '5000000', '-thread_queue_size', '512', '-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', '-avioflags', 'direct', '-reconnect', '1', '-reconnect_at_eof', '1', '-reconnect_streamed', '1', '-reconnect_delay_max', '5', '-flush_packets', '1', '-i', real_url, '-c:v', 'libx264', '-preset', 'veryfast', '-tune', 'zerolatency', '-crf', '23', '-pix_fmt', 'yuv420p', '-profile:v', 'main', '-level', '3.1', '-x264-params', f'keyint={self.gop}:scenecut=0:min-keyint={self.gop//2}', '-g', str(self.gop), '-r', str(self.fps), '-s', self.resolution, '-b:v', f'{self.bitrate}k', '-maxrate', f'{self.bitrate}k', '-bufsize', f'{self.bitrate * 2}k', '-c:a', 'aac', '-b:a', f'{self.audio_bitrate}k', '-ar', '44100', '-ac', '2', '-strict', '-2', '-avoid_negative_ts', 'make_zero', '-f', 'flv', f'rtmp://a.rtmp.youtube.com/live2/{youtube_key}' ] return cmd def _run_ffmpeg_loop(self, real_url, youtube_key): while not self.stop_flag.is_set(): try: with self.semaphore: cmd = self._build_ffmpeg_cmd(real_url, youtube_key) self.proc = subprocess.Popen( cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, bufsize=0, universal_newlines=False ) self.start_time = time.time() self.pushing = False logging.info(f"[{self.room_name}] FFmpeg 启动成功 (PID: {self.proc.pid})") def read_stderr(): try: for line in iter(self.proc.stderr.readline, b''): if self.stop_flag.is_set(): break if line: decoded = line.decode('utf-8', errors='ignore').strip() logging.info(f"[{self.room_name} FFmpeg]: {decoded}") # 判断推流是否成功 if 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") except Exception as e: logging.error(f"[{self.room_name}] stderr线程异常: {e}") stderr_thread = threading.Thread(target=read_stderr, daemon=True) stderr_thread.start() self.proc.wait() if not self.stop_flag.is_set(): logging.warning(f"[{self.room_name}] FFmpeg 退出 (返回码: {self.proc.returncode})，1秒后重启...") self.pushing = False except Exception as e: logging.error(f"[{self.room_name}] FFmpeg 启动异常: {e}") finally: if self.proc and self.proc.poll() is None: self.proc.terminate() try: self.proc.wait(timeout=1) except subprocess.TimeoutExpired: self.proc.kill() self.proc = None if not self.stop_flag.is_set(): time.sleep(1) def _monitor_thread(self): term_width, _ = shutil.get_terminal_size() bar_width = min(50, term_width - 30) while not self.stop_flag.is_set(): if self.proc: uptime = time.time() - self.start_time if self.start_time else 0 uptime_str = f"{int(uptime // 60):02d}:{int(uptime % 60):02d}" status = "推流中" if self.pushing else "启动中" bar_len = bar_width if self.pushing else 0 bar = "#" * bar_len + "-" * (bar_width - bar_len) print(f"\r[{self.room_name}] [{bar}] {status} | 运行时间: {uptime_str} | 码率: {self.bitrate}k", end="") else: print(f"\r[{self.room_name}] FFmpeg 未运行", end="") time.sleep(2) def stop(self): logging.info(f"[{self.room_name}] 停止推流...") self.stop_flag.set() if self.proc and self.proc.poll() is None: self.proc.terminate() try: self.proc.wait(timeout=1) except subprocess.TimeoutExpired: self.proc.kill() # ----------------- 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/112633436109" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY) if not hls_instance: logging.error("推流实例创建失败，程序退出") sys.exit(1) def signal_handler(sig, frame): if hls_instance: hls_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)