From 752f11e9a6deaea8315078a79222d5e5f832802f Mon Sep 17 00:00:00 2001 From: eric Date: Sat, 13 Sep 2025 12:26:59 +0800 Subject: [PATCH] 's' --- back3 | 202 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ live.py | 76 +++++++++------------ 2 files changed, 233 insertions(+), 45 deletions(-) create mode 100644 back3 diff --git a/back3 b/back3 new file mode 100644 index 0000000..0769adf --- /dev/null +++ b/back3 @@ -0,0 +1,202 @@ +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 + + 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*500) # 读取更大块，减少空跑 + if not data: + time.sleep(0.05) + continue + self.buffer_queue.put(data) + 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=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}") + + 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) + + 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/364595817295" + 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 ceead1c..9f12d30 100644 --- a/live.py +++ b/live.py @@ -11,11 +11,10 @@ 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 + 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 @@ -26,24 +25,14 @@ class AdaptiveHLS2YouTube: 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 - """ + 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}") - - # 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._pull_thread, args=(real_url,), daemon=True).start() 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): + def _pull_thread(self, real_url): cmd = [ "ffmpeg", "-rw_timeout", "50000000", @@ -62,15 +51,15 @@ class AdaptiveHLS2YouTube: ] try: proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) - print(f"[拉流 {idx}] FFmpeg 启动成功") + print("[拉流] FFmpeg 启动成功") while not self.stop_flag.is_set(): - data = proc.stdout.read(188*50) + data = proc.stdout.read(188*500) 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}") + 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) @@ -89,9 +78,10 @@ class AdaptiveHLS2YouTube: "-tune", "zerolatency", "-b:v", f"{self.current_bitrate}k", "-maxrate", f"{self.current_bitrate}k", - "-bufsize", f"{self.current_bitrate*2}k", + "-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 "-c:a", "aac", "-b:a", f"{self.audio_bitrate}k", "-ar", "44100", @@ -112,15 +102,12 @@ class AdaptiveHLS2YouTube: 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) + 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}") @@ -128,12 +115,11 @@ class AdaptiveHLS2YouTube: 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) + new_bitrate = max(self.min_bitrate, self.current_bitrate - 300) elif queue_len < 30: - new_bitrate = min(self.max_bitrate, self.current_bitrate + 200) + 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 @@ -146,6 +132,7 @@ class AdaptiveHLS2YouTube: 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: @@ -155,25 +142,23 @@ async def get_douyin_real_url(record_url, record_quality="原画"): 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): +def start_douyin_to_youtube(record_url, youtube_key, room_name=None, delay_sec=40): 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 + 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_main: + if not real_url: 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}") - + print(f"实际直播流: {real_url}") hls2yt = AdaptiveHLS2YouTube(delay_sec=delay_sec) - hls2yt.start_stream([real_url_main, real_url_backup], youtube_key, room_name) + 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() @@ -191,12 +176,13 @@ def monitor_panel_thread(hls_instance, interval=2, max_width=50): 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 ----------------- + +# ----------------- 主程序 ----------------- if __name__ == "__main__": - DOUYIN_URL = "https://live.douyin.com/364595817295" + DOUYIN_URL = "https://live.douyin.com/851742623054" YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z" - hls_instance = start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY, delay_sec=30) + 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)