import os import subprocess import threading import asyncio import uuid import queue import time import signal import sys import shutil import spider import stream class AdaptiveHLS2YouTube: def __init__(self, max_bitrate=5000, min_bitrate=3000, audio_bitrate=192, delay_sec=40, segment_time=2, check_interval=5): self.processes = {} 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 # ----------------- 稳定拉流线程 ----------------- def _pull_thread(self, real_url): """稳定拉取抖音 HLS，保证 buffer_queue 有数据""" while not self.stop_flag.is_set(): cmd = [ "ffmpeg", "-rw_timeout", "50000000", "-user_agent", "Mozilla/5.0", "-headers", "Referer: https://www.douyin.com/", "-protocol_whitelist", "file,http,https,tcp,tls,crypto", "-fflags", "+nobuffer+genpts", "-flags", "low_delay", "-i", real_url, "-c:v", "libx264", "-preset", "veryfast", "-tune", "zerolatency", "-c:a", "aac", "-b:a", f"{self.audio_bitrate}k", "-f", "mpegts", "-" ] try: proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) print("[拉流] FFmpeg 启动成功") # 打印拉流日志 def log_stderr(): while proc.poll() is None and not self.stop_flag.is_set(): line = proc.stderr.readline() if line: print(f"[拉流 FFmpeg]: {line.decode(errors='ignore').strip()}") threading.Thread(target=log_stderr, daemon=True).start() while not self.stop_flag.is_set(): try: data = proc.stdout.read(188*2000) # 一次读大块 if not data: raise EOFError("拉流 EOF") self.buffer_queue.put(data, timeout=1) except queue.Full: time.sleep(0.05) # 队列满，短暂等待 except EOFError: print("[拉流] 遇到 EOF，重启 FFmpeg") break # 跳出内循环，重新启动 FFmpeg except Exception as e: print(f"[拉流] 异常: {e}") finally: try: if proc and proc.poll() is None: proc.kill() except: pass time.sleep(1) # 重连前等待 # ----------------- 推流线程 ----------------- 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*4}k", "-r", "30", "-g", "60", "-s", "720x1280", "-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 # 打印推流日志 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(): try: data = self.buffer_queue.get(timeout=1) proc.stdin.write(data) proc.stdin.flush() except queue.Empty: continue except Exception as e: print(f"[{room_name}] 推流异常: {e}") # ----------------- ABR 自动码率 ----------------- 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 - 300) elif queue_len < 30: new_bitrate = min(self.max_bitrate, self.current_bitrate + 300) 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) # ----------------- 启动推流 ----------------- def start_stream(self, real_url, youtube_key, room_name=None): 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}") threading.Thread(target=self._pull_thread, args=(real_url,), daemon=True).start() threading.Thread(target=self._push_thread, args=(youtube_key, room_name), daemon=True).start() threading.Thread(target=self._abr_thread, daemon=True).start() # ----------------- 停止所有 ----------------- 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 ----------------- 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") # ----------------- 启动函数 ----------------- def start_douyin_to_youtube(record_url, youtube_key, room_name=None, delay_sec=40): try: real_url = asyncio.run(get_douyin_real_url(record_url)) except Exception as e: print(f"获取真实直播流失败: {e}") return if not real_url: print("获取真实直播流失败") return print(f"实际直播流: {real_url}") hls2yt = AdaptiveHLS2YouTube(delay_sec=delay_sec) hls2yt.start_stream(real_url, youtube_key, room_name) return hls2yt # ----------------- 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) # ----------------- 示例运行 ----------------- if __name__ == "__main__": DOUYIN_URL = "https://live.douyin.com/299336549416" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=40) 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)