From 6223b39b9e006cf8d8c59308cb413ea1ebe22f55 Mon Sep 17 00:00:00 2001 From: eric Date: Sat, 13 Sep 2025 14:44:56 +0800 Subject: [PATCH] 's' --- back4 | 208 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ live.py | 26 ++++--- 2 files changed, 224 insertions(+), 10 deletions(-) create mode 100644 back4 diff --git a/back4 b/back4 new file mode 100644 index 0000000..c75402c --- /dev/null +++ b/back4 @@ -0,0 +1,208 @@ +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(maxsize=500) # 增大队列，防止阻塞 + 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_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() + + def _pull_thread(self, real_url): + 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("[拉流] FFmpeg 启动成功") + while not self.stop_flag.is_set(): + data = proc.stdout.read(188*2000) # 大块读取，减少空跑 + if not data: + time.sleep(0.05) + continue + try: + self.buffer_queue.put_nowait(data) # 非阻塞写入队列 + except queue.Full: + continue # 队列满直接丢掉，保证不卡 + except Exception as e: + print(f"拉流异常: {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*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 + + 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=0.5) + try: + proc.stdin.write(data) + proc.stdin.flush() + except (BrokenPipeError, OSError): + break # 管道断开，退出推流循环 + except queue.Empty: + continue + 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 - 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(max(self.check_interval, 10)) # 降低 ABR 更新频率，避免频繁干扰 + + 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=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 + + +# ----------------- 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/125742860435" + 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) diff --git a/live.py b/live.py index 1280c38..c75402c 100644 --- a/live.py +++ b/live.py @@ -19,7 +19,7 @@ class AdaptiveHLS2YouTube: self.delay_sec = delay_sec self.segment_time = segment_time self.check_interval = check_interval - self.buffer_queue = queue.Queue() + self.buffer_queue = queue.Queue(maxsize=500) # 增大队列，防止阻塞 self.max_bitrate = max_bitrate self.min_bitrate = min_bitrate self.audio_bitrate = audio_bitrate @@ -53,11 +53,14 @@ class AdaptiveHLS2YouTube: proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) print("[拉流] FFmpeg 启动成功") while not self.stop_flag.is_set(): - data = proc.stdout.read(188*500) + data = proc.stdout.read(188*2000) # 大块读取，减少空跑 if not data: time.sleep(0.05) continue - self.buffer_queue.put(data) + try: + self.buffer_queue.put_nowait(data) # 非阻塞写入队列 + except queue.Full: + continue # 队列满直接丢掉，保证不卡 except Exception as e: print(f"拉流异常: {e}") @@ -81,7 +84,7 @@ class AdaptiveHLS2YouTube: "-bufsize", f"{self.current_bitrate*4}k", "-r", "30", "-g", "60", - # 不固定分辨率，保持抖音原始分辨率 + "-s", "720x1280", "-c:a", "aac", "-b:a", f"{self.audio_bitrate}k", "-ar", "44100", @@ -103,9 +106,12 @@ class AdaptiveHLS2YouTube: while not self.stop_flag.is_set(): try: - data = self.buffer_queue.get(timeout=1) - proc.stdin.write(data) - proc.stdin.flush() + data = self.buffer_queue.get(timeout=0.5) + try: + proc.stdin.write(data) + proc.stdin.flush() + except (BrokenPipeError, OSError): + break # 管道断开，退出推流循环 except queue.Empty: continue except Exception as e: @@ -123,7 +129,7 @@ class AdaptiveHLS2YouTube: 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) + time.sleep(max(self.check_interval, 10)) # 降低 ABR 更新频率，避免频繁干扰 def stop_all(self): print("停止所有推流...") @@ -177,9 +183,9 @@ def monitor_panel_thread(hls_instance, interval=2, max_width=50): time.sleep(interval) -# ----------------- 主程序 ----------------- +# ----------------- 示例 ----------------- if __name__ == "__main__": - DOUYIN_URL = "https://live.douyin.com/258299812685" + DOUYIN_URL = "https://live.douyin.com/125742860435" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=40)