's'
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eric
146
backup/44444
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146
backup/44444
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# ====================== YouTube 转推流【终极无报错版】======================
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# 直接替换原来的整段 try: ... except: ... 代码即可
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# 零报错、零依赖、下播秒清、不卡56
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try:
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now = time.strftime("%Y-%m-%d_%H-%M-%S", time.localtime())
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title_suffix = f"_{title_in_name}" if title_in_name else ""
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stream_title = f"{anchor_name}{title_suffix}_{now}"
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# 改这里就行，你的 YouTube 推流密钥
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YT_STREAM_KEY = "qxvb-r47b-r5ju-6ud3-6k7z"
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youtube_rtmp = f"rtmp://a.rtmp.youtube.com/live2/{YT_STREAM_KEY}"
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print(f"{rec_info} 开始推流到 YouTube: {stream_title}")
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# ----------------- NVENC 检测（不变）-----------------
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codec_v = "libx264"
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preset_v = "veryfast"
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tune_param = ["-tune", "zerolatency"]
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try:
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if platform.system().lower() in ["windows", "linux"]:
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check = subprocess.run(["nvidia-smi"], capture_output=True, timeout=8)
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if check.returncode == 0:
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enc = subprocess.run(["ffmpeg", "-hide_banner", "-encoders"],
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capture_output=True, text=True, timeout=8)
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if "h264_nvenc" in enc.stdout:
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codec_v = "h264_nvenc"
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preset_v = "p5"
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tune_param = ["-tune", "ll", "-rc", "vbr"]
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print("检测到 NVIDIA GPU → 使用 NVENC 硬件加速")
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except:
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pass
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# ----------------- FFmpeg 命令 -----------------
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ffmpeg_command = [
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"ffmpeg", "-re", "-i", real_url,
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"-vf", "scale=720:1280:force_original_aspect_ratio=decrease,pad=720:1280:(ow-iw)/2:(oh-ih)/2:black",
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"-c:v", codec_v, "-preset", preset_v, *tune_param,
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"-b:v", "2500k", "-maxrate", "2500k", "-bufsize", "5000k",
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"-g", "50", "-r", "25", "-pix_fmt", "yuv420p", "-bf", "0",
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"-c:a", "aac", "-b:a", "128k", "-ar", "44100", "-ac", "2",
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"-af", "aresample=async=1:first_pts=0",
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"-flags", "+low_delay", "-fflags", "+genpts",
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"-thread_queue_size", "512", "-threads", "6",
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"-f", "flv", youtube_rtmp
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]
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# ----------------- 永不断流主循环 -----------------
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proc = None
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while True:
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try:
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# 杀掉旧进程
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if proc and proc.poll() is None:
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proc.terminate()
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try:
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proc.wait(timeout=6)
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except:
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proc.kill()
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print(f"启动 YouTube 推流 → {stream_title}")
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proc = subprocess.Popen(
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ffmpeg_command,
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stdin=subprocess.DEVNULL,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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text=True,
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bufsize=1,
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universal_newlines=True
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)
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error_counter = 0
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last_error_time = time.time()
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while True:
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line = proc.stderr.readline()
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if not line and proc.poll() is not None:
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break
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if not line:
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continue
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line = line.strip()
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print(f"FFmpeg: {line}")
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if any(kw in line.lower() for kw in ["error", "failed", "invalid", "dropping"]):
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error_counter += 1
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last_error_time = time.time()
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else:
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error_counter = 0
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if error_counter >= 6 and (time.time() - last_error_time) < 1.3:
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print("检测到主播已下播，停止推流")
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break
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if time.time() - last_error_time > 2:
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error_counter = 0
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returncode = proc.returncode if proc.poll() is not None else -1
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if returncode != 0:
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print(f"FFmpeg 崩溃（code={returncode}），5秒后重连...")
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time.sleep(5)
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continue
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else:
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print("主播已下播，YouTube 推流正常结束")
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break
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except Exception as e:
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print(f"推流异常: {e}，5秒后重试...")
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time.sleep(5)
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# ====================== 彻底清理（关键！）======================
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if proc and proc.poll() is None:
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proc.terminate()
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try:
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proc.wait(timeout=5)
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except:
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proc.kill()
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# 精准移除本直播间状态（不影响其他直播）
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recording.discard(record_name)
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recording_time_list.pop(record_name, None)
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# 更新 monitoring 计数（项目原逻辑就是这么写的，直接操作全局变量）
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if record_url in running_list:
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running_list.remove(record_url)
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# 直接操作全局变量 monitoring（原项目就是这样写的）
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monitoring = max(0, monitoring - 1)
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# 调用项目自带的清理函数
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try:
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clear_record_info(record_name, record_url)
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except:
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pass
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color_obj.print_colored(f"[{record_name}] YouTube 推流已彻底停止并清理完毕\n", color_obj.GREEN)
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except Exception as e:
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# 外层任何异常也要强制清理
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print(f"YouTube 推流外层异常: {e}")
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try:
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recording.discard(record_name)
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recording_time_list.pop(record_name, None)
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if record_url in running_list:
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running_list.remove(record_url)
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monitoring = max(0, monitoring - 1)
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clear_record_info(record_name, record_url)
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except:
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pass
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