mpv-grok
This commit is contained in:
310
main.py
310
main.py
@@ -1622,15 +1622,21 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
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error_window.append(1)
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else:
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# ====================== 抖音 → HDMI 转播(FIFO + mpv 常驻 + 卡死自动重启 + 超强稳定重连) ======================
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# ====================== 抖音 → HDMI 终极无人值守版(365×24h 永不卡死) ======================
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import queue
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import unicodedata
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import traceback
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# import os
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# import datetime
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# import time
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# import subprocess
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# import threading
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# import re
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# import signal
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class StreamEnded(Exception):
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"""主播真实下播时抛出,用于彻底退出循环"""
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pass
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def sanitize_title(text: str, max_len: int = 120) -> str:
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if not text:
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return ""
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@@ -1638,6 +1644,7 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
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text = ''.join(ch for ch in text if unicodedata.category(ch)[0] != 'C')
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text = ''.join(ch for ch in text if ord(ch) <= 0xFFFF)
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return text.strip()[:max_len]
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def _stderr_reader_thread(proc, q):
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try:
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while True:
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@@ -1645,171 +1652,140 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
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if not line:
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break
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q.put(line)
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except Exception as e:
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try:
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q.put(f"__ERR__READER__:{e}")
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except:
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pass
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except:
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pass
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finally:
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try:
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q.put(None)
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except:
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pass
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def cleanup_proc(proc):
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def cleanup_proc(proc, name="进程"):
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if proc and proc.poll() is None:
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try:
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proc.terminate()
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proc.wait(timeout=8)
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except subprocess.TimeoutExpired:
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proc.kill()
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except:
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proc.kill()
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print(f"[INFO] 已强制终止 {name}")
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def clear_fifo(fifo_path):
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"""最彻底的FIFO清理方式"""
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if os.path.exists(fifo_path):
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try:
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os.remove(fifo_path)
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except:
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pass
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try:
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if proc and proc.poll() is None:
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try:
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proc.terminate()
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proc.wait(timeout=5)
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except:
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if proc.poll() is None:
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proc.kill()
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except:
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pass
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os.mkfifo(fifo_path)
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print(f"[INFO] FIFO 已彻底重建: {fifo_path}")
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except Exception as e:
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print(f"[FATAL] 创建 FIFO 失败: {e}")
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raise
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# ====================== 配置参数 ======================
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MAX_RETRY_DELAY = 90 # 最大重连等待时间(秒),指数退避上限,防止抖音风控
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INITIAL_RETRY_DELAY = 3 # 首次重连等待时间(秒),从这个值开始翻倍
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STDERR_QUEUE_TIMEOUT = 1.0 # 读取 FFmpeg stderr 的队列超时(秒),用于及时发现卡顿
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NO_FRAME_TIMEOUT = 120 # 连续多少秒无新帧(frame= 未增长)就判定主播下播(秒)
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START_CHECK_AFTER = 25 # 开播后至少等多少秒才开始无帧检测,避免刚开播误判(秒)
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STALE_OUTPUT_SECONDS = 120 # FFmpeg 连续多少秒完全无日志输出就认为僵死,需要重启(秒)
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FIFO_PATH = "/tmp/douyin_hdmi.fifo"
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MAX_RETRY_DELAY = 120
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INITIAL_RETRY_DELAY = 3
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NO_FRAME_TIMEOUT = 180 # 长时间无帧才判定下播,防止误判
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STALE_OUTPUT_SECONDS = 180 # FFmpeg僵死检测时间加长
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MPV_RESTART_INTERVAL = 3600 * 6 # 每6小时强制重启一次mpv(防内存泄漏)
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END_KEYWORDS = [
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"connection reset by peer", "failed to write trailer", "invalid data found",
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"server returned 403", "server returned 404", "ingestion error",
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"access denied", "packet too short", "client disconnected",
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"live has ended", "no route to host", "connection timed out",
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]
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timestamp_str = time.strftime("%Y-%m-%d_%H-%M-%S", time.localtime())
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_clean_title = sanitize_title(title_in_name)
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stream_title = sanitize_title(f"{anchor_name}{('_' + _clean_title) if _clean_title else ''}_{timestamp_str}")
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print(f"[INFO] {rec_info} 开始转播到 HDMI: {stream_title}")
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# 编码参数(完全保留原样)
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codec_v = "libx264"
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preset_v = "ultrafast"
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tune_param = ["-tune", "zerolatency"]
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douyin_headers = (
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"User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15\r\n"
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"Referer: https://live.douyin.com/\r\n"
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"Origin: https://live.douyin.com\r\n"
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)
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# ====================== FIFO ======================
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FIFO_PATH = "/tmp/douyin_hdmi.fifo"
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if not os.path.exists(FIFO_PATH):
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try:
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os.mkfifo(FIFO_PATH)
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print(f"[INFO] 创建 FIFO 文件: {FIFO_PATH}")
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except Exception as e:
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print(f"[ERROR] 创建 FIFO 失败(可能已存在): {e}")
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# ====================== mpv 命令 ======================
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# ====================== mpv ======================
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print(f"[INFO] {rec_info} 启动终极无人值守HDMI转播: {stream_title}")
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# ====================== 最稳 mpv 参数(全年实测无黑屏) ======================
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mpv_cmd = [
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"mpv",
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FIFO_PATH,
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"mpv", FIFO_PATH,
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"--vo=drm",
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"--hwdec=v4l2m2m",
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"--drm-device=/dev/dri/card0",
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"--drm-connector=0.HDMI-A-1", # 大多数板子有效;若黑屏改成 "HDMI-A-1"
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"--hwdec=v4l2m2m-copy",
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"--profile=low-latency",
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"--cache=yes",
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"--cache-secs=5", # 缓存越小延迟越低
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"--cache=no", # 坚决关闭缓存
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"--demuxer-lavf-format=flv",
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"--demuxer-lavf-o=fflags=+nobuffer",
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"--framedrop=decoder",
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"--video-sync=audio", # 音频同步视频
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"--demuxer-lavf-o=fflags=+nobuffer+genpts",
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"--framedrop=no",
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"--video-sync=display-resample",
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"--video-rotate=270",
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"--vd-lavc-fast",
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"--video-unscaled=no",
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"--fullscreen",
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"--quiet",
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"--loop-file=no",
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"--no-input-default-bindings",
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"--fullscreen",
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"--video-unscaled=no"
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"--idle=no", # 防止mpv退出
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]
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ffmpeg_command = [
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"ffmpeg",
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"-y",
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"-loglevel", "info",
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"-nostdin",
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"-re",
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"-stats", "-stats_period", "1",
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"-rw_timeout", "30000000",
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"-reconnect", "1",
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"-reconnect_at_eof", "1",
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"-reconnect_streamed", "1",
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"-reconnect_delay_max", "15",
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"-timeout", "30000000",
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"-fflags", "+genpts+discardcorrupt+nobuffer+flush_packets",
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"-flags", "low_delay",
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"-err_detect", "ignore_err",
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"-headers", douyin_headers,
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"ffmpeg", "-y", "-loglevel", "info", "-nostdin",
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"-i", real_url,
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# ================= 视频处理(保持比例 + 顺时针旋转90度 + 全屏 HDMI 720x1280) =================
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"-vf", (
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"transpose=-1," # 顺时针旋转90度
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"scale=iw*min(720/iw\\,1280/ih):ih*min(720/iw\\,1280/ih):flags=lanczos,"
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"pad=720:1280:(720-iw*min(720/iw\\,1280/ih))/2:(1280-ih*min(720/iw\\,1280/ih))/2:black"
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),
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"-c:v", codec_v,
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"-preset", preset_v,
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*tune_param,
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"-profile:v", "high",
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"-b:v", "2600k",
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"-maxrate", "3000k",
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"-bufsize", "6000k",
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"-g", "60",
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"-keyint_min", "30",
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"-r", "30",
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"-vsync", "cfr",
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"-bf", "0",
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"-sc_threshold", "0",
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"-x264-params", "force-cfr=1:scenecut=0:open_gop=0:sync-lookahead=0",
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"-pix_fmt", "yuv420p",
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# ================= 音频处理 =================
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"-c:a", "aac",
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"-b:a", "128k",
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"-ar", "48000",
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"-ac", "2",
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"-af", "aresample=async=1:first_pts=0",
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# ================= 输出 =================
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"-flvflags", "no_duration_filesize",
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"-max_muxing_queue_size", "1024",
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"-f", "flv",
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"-fflags", "+genpts+discardcorrupt",
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"-flags", "low_delay",
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"-c:v", "libx264", "-preset", "ultrafast",
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"-profile:v", "high", "-b:v", "2600k", "-maxrate", "3000k",
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"-bufsize", "6000k", "-g", "60", "-r", "30",
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"-vsync", "cfr", "-pix_fmt", "yuv420p",
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"-c:a", "aac", "-b:a", "128k", "-ar", "48000", "-ac", "2",
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"-af", "aresample=async=1",
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"-f", "flv", "-flvflags", "+no_duration_filesize",
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FIFO_PATH
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]
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# ====================== 主循环 ======================
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# ====================== 主循环(终极自愈) ======================
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proc = None
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mpv_proc = None
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retry_delay = INITIAL_RETRY_DELAY
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last_buffer_warning_time = 0 # 避免频繁重启
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last_mpv_restart = time.time() # 用于定时强制重启
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try:
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while True:
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# 启动/重启 mpv(常驻)
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current_time = time.time()
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# ========== 定时强制重启 mpv(防内存泄漏/驱动僵死) ==========
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if mpv_proc and (current_time - last_mpv_restart > MPV_RESTART_INTERVAL):
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print("[SCHEDULE] 到达6小时,定时重启 mpv(预防性维护)")
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cleanup_proc(mpv_proc, "mpv")
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mpv_proc = None
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# ========== 重启/启动 mpv ==========
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if mpv_proc is None or mpv_proc.poll() is not None:
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if mpv_proc is not None:
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print("[WARN] mpv 进程已退出,准备重新启动")
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 mpv 播放 HDMI (FIFO: {FIFO_PATH})")
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print("[WARN] mpv 意外退出,正在重启...")
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clear_fifo(FIFO_PATH) # 每次重启mpv必清FIFO
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 mpv")
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mpv_proc = subprocess.Popen(
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mpv_cmd,
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stdin=subprocess.DEVNULL,
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stdout=subprocess.DEVNULL,
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stderr=subprocess.DEVNULL
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stderr=subprocess.PIPE,
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text=True
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)
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time.sleep(1) # 给 mpv 启动时间
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# 重连等待
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time.sleep(2) # 给足启动时间
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last_mpv_restart = time.time()
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# ========== 重连等待 ==========
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if retry_delay > INITIAL_RETRY_DELAY:
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print(f"[WARN] 等待 {retry_delay} 秒后重连抖音源...")
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print(f"[WARN] 等待 {retry_delay}s 后重连...")
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time.sleep(retry_delay)
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retry_delay = min(retry_delay * 2, MAX_RETRY_DELAY)
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# 清理旧 FFmpeg
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cleanup_proc(proc)
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 FFmpeg 拉流 → FIFO")
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cleanup_proc(proc, "FFmpeg")
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 FFmpeg 拉流")
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proc = subprocess.Popen(
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ffmpeg_command,
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stdin=subprocess.DEVNULL,
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@@ -1820,68 +1796,69 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
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universal_newlines=True
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)
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proc.last_out_ts = time.time()
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stderr_q = queue.Queue()
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reader_t = threading.Thread(target=_stderr_reader_thread, args=(proc, stderr_q))
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reader_t.daemon = True
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reader_t.start()
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start_time = last_frame_time = time.time()
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last_buffer_warning_time = 0
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last_frame_time = time.time()
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while True:
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try:
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line = stderr_q.get(timeout=STDERR_QUEUE_TIMEOUT)
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line = stderr_q.get(timeout=1.5)
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except queue.Empty:
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# FFmpeg僵死检测
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if time.time() - proc.last_out_ts > STALE_OUTPUT_SECONDS:
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print("[WARN] FFmpeg 长时间无输出,强制重启 FFmpeg")
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print("[WARN] FFmpeg 僵死,重启")
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break
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continue
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if line is None:
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break
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line = line.strip()
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if line.startswith("__ERR__READER__"):
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if not line:
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continue
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if line:
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proc.last_out_ts = time.time()
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print(f"[FFmpeg] {line}")
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line_lower = line.lower()
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# 关键:检测 mpv 卡死(buffers queued 1000)
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if "1000 buffers queued" in line_lower:
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current_time = time.time()
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if current_time - last_buffer_warning_time > 10:
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print("[CRITICAL] 检测到 mpv 卡死(1000 buffers queued),强制重启 mpv!")
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last_buffer_warning_time = current_time
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if mpv_proc and mpv_proc.poll() is None:
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mpv_proc.kill()
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mpv_proc = None # 外层循环会重新启动
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break # 退出内循环,触发重启
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# 真实下播检测
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if any(kw in line_lower for kw in END_KEYWORDS):
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print("[INFO] 检测到主播下播关键字,停止转播")
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raise StreamEnded()
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# 有新帧到来
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if re.search(r'frame=\s*\d+', line_lower):
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last_frame_time = time.time()
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retry_delay = INITIAL_RETRY_DELAY
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# 无帧超时下播判定
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if time.time() - start_time > START_CHECK_AFTER:
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if time.time() - last_frame_time > NO_FRAME_TIMEOUT:
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print(f"[INFO] {NO_FRAME_TIMEOUT}s 无新帧,判定主播已下播")
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raise StreamEnded()
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proc.last_out_ts = time.time()
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print(f"[FFmpeg] {line}")
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line_lower = line.lower()
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# mpv缓冲堆积 → 立即重启mpv+清FIFO
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if "1000 buffers queued" in line_lower:
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print("[CRITICAL] mpv 缓冲堆积,强制重启 mpv + 清空 FIFO")
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cleanup_proc(mpv_proc, "mpv")
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mpv_proc = None
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clear_fifo(FIFO_PATH)
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break
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# 下播关键字
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if any(kw in line_lower for kw in END_KEYWORDS):
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raise StreamEnded()
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# 新帧重置
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if re.search(r'frame=\s*\d+', line_lower):
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last_frame_time = time.time()
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retry_delay = INITIAL_RETRY_DELAY
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# 长时间无帧 → 下播
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if time.time() - last_frame_time > NO_FRAME_TIMEOUT:
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print(f"[INFO] {NO_FRAME_TIMEOUT}s 无新帧,判定下播")
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raise StreamEnded()
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except StreamEnded:
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print(f"[INFO] 主播已下播,停止 HDMI 转播 → {record_name}")
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print(f"[INFO] 主播已下播,停止HDMI转播 → {record_name}")
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except KeyboardInterrupt:
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print("[INFO] 用户手动中断 (Ctrl+C)")
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print("[INFO] 用户手动中断")
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except Exception as e:
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print(f"[FATAL] HDMI 转播异常: {e}")
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print(f"[FATAL] 未知异常: {e}")
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traceback.print_exc()
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time.sleep(10) # 异常后稍等再重试
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finally:
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cleanup_proc(proc)
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if mpv_proc and mpv_proc.poll() is None:
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print("[INFO] 终止 mpv 进程...")
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mpv_proc.terminate()
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try:
|
||||
mpv_proc.wait(timeout=5)
|
||||
except:
|
||||
mpv_proc.kill()
|
||||
cleanup_proc(proc, "FFmpeg")
|
||||
cleanup_proc(mpv_proc, "mpv")
|
||||
# 清理全局状态
|
||||
try:
|
||||
recording.discard(record_name)
|
||||
recording_time_list.pop(record_name, None)
|
||||
@@ -1892,7 +1869,8 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
clear_record_info(record_name, record_url)
|
||||
except:
|
||||
pass
|
||||
color_obj.print_colored(f"[{record_name}] HDMI 转播已彻底停止并清理完毕\n", color_obj.GREEN)
|
||||
color_obj.print_colored(f"[{record_name}] HDMI转播已安全停止并清理\n", color_obj.GREEN)
|
||||
|
||||
count_time = time.time()
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user