234 lines
9.0 KiB
Python
234 lines
9.0 KiB
Python
import os
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import subprocess
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import threading
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import asyncio
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import uuid
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import queue
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import time
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import signal
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import sys
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import shutil
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import spider
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import stream
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class AdaptiveHLS2YouTube:
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def __init__(self, max_bitrate=5000, min_bitrate=3000, audio_bitrate=192,
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delay_sec=40, segment_time=2, check_interval=5):
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self.processes = {}
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self.stop_flag = threading.Event()
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self.delay_sec = delay_sec
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self.segment_time = segment_time
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self.check_interval = check_interval
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self.buffer_queue = queue.Queue()
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self.max_bitrate = max_bitrate
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self.min_bitrate = min_bitrate
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self.audio_bitrate = audio_bitrate
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self.current_bitrate = max_bitrate
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# ----------------- 稳定拉流线程 -----------------
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def _pull_thread(self, real_url):
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"""稳定拉取抖音 HLS，保证 buffer_queue 有数据"""
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while not self.stop_flag.is_set():
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cmd = [
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"ffmpeg",
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"-rw_timeout", "50000000",
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"-user_agent", "Mozilla/5.0",
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"-headers", "Referer: https://www.douyin.com/",
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"-protocol_whitelist", "file,http,https,tcp,tls,crypto",
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"-fflags", "+nobuffer+genpts",
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"-flags", "low_delay",
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"-i", real_url,
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"-c:v", "libx264",
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"-preset", "veryfast",
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"-tune", "zerolatency",
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"-c:a", "aac",
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"-b:a", f"{self.audio_bitrate}k",
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"-f", "mpegts",
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"-"
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]
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try:
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proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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print("[拉流] FFmpeg 启动成功")
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# 打印拉流日志
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def log_stderr():
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while proc.poll() is None and not self.stop_flag.is_set():
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line = proc.stderr.readline()
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if line:
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print(f"[拉流 FFmpeg]: {line.decode(errors='ignore').strip()}")
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threading.Thread(target=log_stderr, daemon=True).start()
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while not self.stop_flag.is_set():
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try:
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data = proc.stdout.read(188*2000) # 一次读大块
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if not data:
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raise EOFError("拉流 EOF")
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self.buffer_queue.put(data, timeout=1)
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except queue.Full:
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time.sleep(0.05) # 队列满，短暂等待
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except EOFError:
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print("[拉流] 遇到 EOF，重启 FFmpeg")
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break # 跳出内循环，重新启动 FFmpeg
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except Exception as e:
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print(f"[拉流] 异常: {e}")
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finally:
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try:
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if proc and proc.poll() is None:
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proc.kill()
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except:
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pass
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time.sleep(1) # 重连前等待
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# ----------------- 推流线程 -----------------
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def _push_thread(self, youtube_key, room_name):
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min_buffer = max(1, self.delay_sec // self.segment_time)
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while not self.stop_flag.is_set():
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if self.buffer_queue.qsize() < min_buffer:
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time.sleep(0.05)
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continue
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cmd = [
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"ffmpeg",
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"-re",
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"-f", "mpegts",
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"-i", "-",
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"-c:v", "libx264",
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"-preset", "veryfast",
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"-tune", "zerolatency",
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"-b:v", f"{self.current_bitrate}k",
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"-maxrate", f"{self.current_bitrate}k",
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"-bufsize", f"{self.current_bitrate*4}k",
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"-r", "30",
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"-g", "60",
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"-s", "720x1280",
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"-c:a", "aac",
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"-b:a", f"{self.audio_bitrate}k",
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"-ar", "44100",
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"-ac", "2",
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"-f", "flv",
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"-rtmp_live", "live",
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f"rtmp://a.rtmp.youtube.com/live2/{youtube_key}"
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]
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try:
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proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, stderr=subprocess.PIPE)
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self.processes[room_name] = proc
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# 打印推流日志
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def read_stderr():
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while proc.poll() is None:
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line = proc.stderr.readline()
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if line:
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print(f"[{room_name} FFmpeg]: {line.decode(errors='ignore').strip()}")
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threading.Thread(target=read_stderr, daemon=True).start()
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while not self.stop_flag.is_set():
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try:
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data = self.buffer_queue.get(timeout=1)
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proc.stdin.write(data)
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proc.stdin.flush()
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except queue.Empty:
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continue
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except Exception as e:
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print(f"[{room_name}] 推流异常: {e}")
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# ----------------- ABR 自动码率 -----------------
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def _abr_thread(self):
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while not self.stop_flag.is_set():
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queue_len = self.buffer_queue.qsize()
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if queue_len > 100:
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new_bitrate = max(self.min_bitrate, self.current_bitrate - 300)
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elif queue_len < 30:
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new_bitrate = min(self.max_bitrate, self.current_bitrate + 300)
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else:
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new_bitrate = self.current_bitrate
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if new_bitrate != self.current_bitrate:
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print(f"[ABR] 调整码率: {self.current_bitrate}k -> {new_bitrate}k")
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self.current_bitrate = new_bitrate
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time.sleep(self.check_interval)
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# ----------------- 启动推流 -----------------
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def start_stream(self, real_url, youtube_key, room_name=None):
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room_name = room_name or f"抖音_{str(uuid.uuid4())[:8]}"
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print(f"[{room_name}] 启动推流，目标 YouTube Key: {youtube_key}")
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threading.Thread(target=self._pull_thread, args=(real_url,), daemon=True).start()
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threading.Thread(target=self._push_thread, args=(youtube_key, room_name), daemon=True).start()
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threading.Thread(target=self._abr_thread, daemon=True).start()
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# ----------------- 停止所有 -----------------
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def stop_all(self):
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print("停止所有推流...")
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self.stop_flag.set()
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for proc in self.processes.values():
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if proc.poll() is None:
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proc.terminate()
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# ----------------- 抖音解析 -----------------
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async def get_douyin_real_url(record_url, record_quality="原画"):
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if 'v.douyin.com' not in record_url and '/user/' not in record_url:
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json_data = await spider.get_douyin_stream_data(url=record_url)
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else:
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json_data = await spider.get_douyin_app_stream_data(url=record_url)
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port_info = await stream.get_douyin_stream_url(json_data, record_quality, None)
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return port_info.get("record_url")
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# ----------------- 启动函数 -----------------
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def start_douyin_to_youtube(record_url, youtube_key, room_name=None, delay_sec=40):
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try:
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real_url = asyncio.run(get_douyin_real_url(record_url))
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except Exception as e:
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print(f"获取真实直播流失败: {e}")
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return
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if not real_url:
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print("获取真实直播流失败")
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return
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print(f"实际直播流: {real_url}")
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hls2yt = AdaptiveHLS2YouTube(delay_sec=delay_sec)
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hls2yt.start_stream(real_url, youtube_key, room_name)
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return hls2yt
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# ----------------- 监控面板 -----------------
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def monitor_panel_thread(hls_instance, interval=2, max_width=50):
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term_width, _ = shutil.get_terminal_size()
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bar_width = min(max_width, term_width - 30)
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while not hls_instance.stop_flag.is_set():
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queue_len = hls_instance.buffer_queue.qsize()
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bitrate = hls_instance.current_bitrate
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active_push = any(proc and proc.poll() is None for proc in hls_instance.processes.values())
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queue_bar_len = min(bar_width, queue_len)
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queue_bar = "#" * queue_bar_len + "-" * (bar_width - queue_bar_len)
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print("\r", end="")
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print(f"[监控] 队列: [{queue_bar}] {queue_len:4} | 码率: {bitrate:4}k | 推流活跃: {active_push}", end="")
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time.sleep(interval)
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# ----------------- 示例运行 -----------------
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if __name__ == "__main__":
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DOUYIN_URL = "https://live.douyin.com/299336549416"
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YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z"
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hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=40)
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if not hls_instance:
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print("推流实例创建失败，程序退出")
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sys.exit(1)
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threading.Thread(target=monitor_panel_thread, args=(hls_instance,), daemon=True).start()
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def signal_handler(sig, frame):
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if hls_instance:
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hls_instance.stop_all()
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sys.exit(0)
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signal.signal(signal.SIGINT, signal_handler)
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signal.signal(signal.SIGTERM, signal_handler)
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print("程序已启动，按 Ctrl+C 停止...")
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while True:
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time.sleep(60)
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