import os import subprocess import threading import asyncio import uuid import queue import time import signal import sys import shutil import spider import stream # ----------------- 自适应推流器 ----------------- class AdaptiveHLS2YouTube: def __init__(self, max_bitrate=5000, min_bitrate=4000, audio_bitrate=192, delay_sec=30, segment_time=2, check_interval=5): self.processes = {} # room_name -> ffmpeg process self.stop_flag = threading.Event() self.delay_sec = delay_sec self.segment_time = segment_time self.check_interval = check_interval self.buffer_queue = queue.Queue() self.max_bitrate = max_bitrate self.min_bitrate = min_bitrate self.audio_bitrate = audio_bitrate self.current_bitrate = max_bitrate def start_stream(self, real_urls, youtube_key, room_name=None): """ 支持 real_urls 列表，主备流分别推送 """ room_name = room_name or f"抖音_{str(uuid.uuid4())[:8]}" print(f"[{room_name}] 启动推流，目标 YouTube Key: {youtube_key}") # 启动拉流线程（可支持多源） for idx, url in enumerate(real_urls): threading.Thread(target=self._pull_thread, args=(url, idx), daemon=True).start() # 推送线程 threading.Thread(target=self._push_thread, args=(youtube_key, room_name), daemon=True).start() # ABR线程 threading.Thread(target=self._abr_thread, daemon=True).start() def _pull_thread(self, real_url, idx): cmd = [ "ffmpeg", "-rw_timeout", "50000000", "-user_agent", "Mozilla/5.0", "-headers", "Referer: https://www.douyin.com/", "-fflags", "+nobuffer+genpts", "-flags", "low_delay", "-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1", "-reconnect_delay_max", "10", "-i", real_url, "-c", "copy", "-f", "mpegts", "-" ] try: proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) print(f"[拉流 {idx}] FFmpeg 启动成功") while not self.stop_flag.is_set(): data = proc.stdout.read(188*50) if not data: time.sleep(0.05) continue self.buffer_queue.put(data) except Exception as e: print(f"[拉流 {idx}] 异常: {e}") def _push_thread(self, youtube_key, room_name): min_buffer = max(1, self.delay_sec // self.segment_time) while not self.stop_flag.is_set(): if self.buffer_queue.qsize() < min_buffer: time.sleep(0.05) continue cmd = [ "ffmpeg", "-re", "-f", "mpegts", "-i", "-", "-c:v", "libx264", "-preset", "veryfast", "-tune", "zerolatency", "-b:v", f"{self.current_bitrate}k", "-maxrate", f"{self.current_bitrate}k", "-bufsize", f"{self.current_bitrate*2}k", "-r", "30", "-g", "60", "-c:a", "aac", "-b:a", f"{self.audio_bitrate}k", "-ar", "44100", "-ac", "2", "-f", "flv", "-rtmp_live", "live", f"rtmp://a.rtmp.youtube.com/live2/{youtube_key}" ] try: proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stderr=subprocess.PIPE) self.processes[room_name] = proc def read_stderr(): while proc.poll() is None: line = proc.stderr.readline() if line: print(f"[{room_name} FFmpeg]: {line.decode(errors='ignore').strip()}") threading.Thread(target=read_stderr, daemon=True).start() while not self.stop_flag.is_set(): if not self.buffer_queue.empty(): data = self.buffer_queue.get() try: proc.stdin.write(data) proc.stdin.flush() except Exception: break else: time.sleep(0.01) except Exception as e: print(f"[{room_name}] 推流异常: {e}") def _abr_thread(self): while not self.stop_flag.is_set(): queue_len = self.buffer_queue.qsize() if queue_len > 100: new_bitrate = max(self.min_bitrate, self.current_bitrate - 200) elif queue_len < 30: new_bitrate = min(self.max_bitrate, self.current_bitrate + 200) else: new_bitrate = self.current_bitrate if new_bitrate != self.current_bitrate: print(f"[ABR] 调整码率: {self.current_bitrate}k -> {new_bitrate}k") self.current_bitrate = new_bitrate time.sleep(self.check_interval) def stop_all(self): print("停止所有推流...") self.stop_flag.set() for proc in self.processes.values(): if proc.poll() is None: proc.terminate() # ----------------- 抖音解析逻辑 ----------------- async def get_douyin_real_url(record_url, record_quality="原画"): 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) else: json_data = await spider.get_douyin_app_stream_data(url=record_url) port_info = await stream.get_douyin_stream_url(json_data, record_quality, None) return port_info.get("record_url") # ----------------- 启动推流 ----------------- def start_douyin_to_youtube(record_url, youtube_key, room_name=None, delay_sec=30): try: # 获取主/备流 real_url_main = asyncio.run(get_douyin_real_url(record_url)) real_url_backup = real_url_main.replace("stage", "backup") # 简单替换为备份流 except Exception as e: print(f"获取真实直播流失败: {e}") return if not real_url_main: print("获取真实直播流失败") return print(f"实际直播流主: {real_url_main}") print(f"实际直播流备: {real_url_backup}") hls2yt = AdaptiveHLS2YouTube(delay_sec=delay_sec) hls2yt.start_stream([real_url_main, real_url_backup], youtube_key, room_name) return hls2yt # ----------------- 控制台监控面板 ----------------- def monitor_panel_thread(hls_instance, interval=2, max_width=50): term_width, _ = shutil.get_terminal_size() bar_width = min(max_width, term_width - 30) while not hls_instance.stop_flag.is_set(): queue_len = hls_instance.buffer_queue.qsize() bitrate = hls_instance.current_bitrate active_push = any(proc and proc.poll() is None for proc in hls_instance.processes.values()) queue_bar_len = min(bar_width, queue_len) queue_bar = "#" * queue_bar_len + "-" * (bar_width - queue_bar_len) print("\r", end="") print(f"[监控] 队列: [{queue_bar}] {queue_len:4} | 码率: {bitrate:4}k | 推流活跃: {active_push}", end="") time.sleep(interval) # ----------------- 示例 ----------------- if __name__ == "__main__": DOUYIN_URL = "https://live.douyin.com/364595817295" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=30) if not hls_instance: print("推流实例创建失败，程序退出") sys.exit(1) threading.Thread(target=monitor_panel_thread, args=(hls_instance,), daemon=True).start() def signal_handler(sig, frame): if hls_instance: hls_instance.stop_all() sys.exit(0) signal.signal(signal.SIGINT, signal_handler) signal.signal(signal.SIGTERM, signal_handler) print("程序已启动，按 Ctrl+C 停止...") while True: time.sleep(60)