230 lines
7.6 KiB
Python
230 lines
7.6 KiB
Python
# douyin_srs_ffplay.py
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import queue
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import unicodedata
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import traceback
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import subprocess
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import threading
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import re
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import time
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import datetime
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class StreamEnded(Exception):
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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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text = unicodedata.normalize("NFKC", text)
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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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line = proc.stderr.readline()
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if not line:
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break
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q.put(line)
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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, 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 start_douyin_srs_ffplay(
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title,
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anchor_name,
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real_url,
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rec_info,
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record_name,
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recording,
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recording_time_list,
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running_list,
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monitoring,
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clear_record_info,
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color_obj
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):
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# ====================== 配置参数 ======================
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SRS_RTMP_URL = "rtmp://127.0.0.1/live/douyin"
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SRS_PLAY_URL = "http://127.0.0.1:8080/live/douyin.flv"
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MAX_RETRY_DELAY = 120
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INITIAL_RETRY_DELAY = 3
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NO_FRAME_TIMEOUT = 180
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STALE_OUTPUT_SECONDS = 180
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FFPLAY_RESTART_INTERVAL = 3600 * 6
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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)
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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} 启动 SRS → ffplay HDMI 转播（低CPU原画版）: {stream_title}")
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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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# ====================== FFmpeg 推流到 SRS（直抄原画，低CPU） ======================
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ffmpeg_command = [
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"ffmpeg", "-y", "-loglevel", "info", "-nostdin",
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"-headers", douyin_headers,
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"-rw_timeout", "30000000",
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"-reconnect", "1", "-reconnect_at_eof", "1", "-reconnect_streamed", "1",
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"-reconnect_delay_max", "7",
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"-fflags", "+genpts+discardcorrupt+igndts",
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"-err_detect", "ignore_err",
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"-i", real_url,
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"-c:v", "copy",
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"-c:a", "copy",
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"-f", "flv", SRS_RTMP_URL
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]
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# ====================== ffplay 最佳参数（低CPU + 零漂移 + 全屏） ======================
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ffplay_cmd = [
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"ffplay",
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"-fflags", "nobuffer+genpts",
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"-flags", "low_delay",
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"-framedrop",
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"-sync", "ext",
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"-vf", "transpose=2",
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"-autoexit",
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"-fs",
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"-loglevel", "quiet",
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"-i", SRS_PLAY_URL
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]
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ffmpeg_proc = None
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ffplay_proc = None
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stderr_q = queue.Queue()
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reader_t = None
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retry_delay = INITIAL_RETRY_DELAY
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last_ffplay_restart = time.time()
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try:
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while True:
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current_time = time.time()
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if ffplay_proc and (current_time - last_ffplay_restart > FFPLAY_RESTART_INTERVAL):
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print("[SCHEDULE] 6小时预防性重启 ffplay")
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cleanup_proc(ffplay_proc, "ffplay")
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ffplay_proc = None
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if ffplay_proc is None or ffplay_proc.poll() is not None:
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if ffplay_proc is not None:
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print("[WARN] ffplay 退出，重启中...")
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 ffplay 播放 SRS 原画流")
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ffplay_proc = subprocess.Popen(
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ffplay_cmd,
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stdin=subprocess.DEVNULL,
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stdout=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(2)
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last_ffplay_restart = time.time()
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if retry_delay > INITIAL_RETRY_DELAY:
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print(f"[WARN] 等待 {retry_delay}s 后重连抖音源...")
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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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cleanup_proc(ffmpeg_proc, "FFmpeg")
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print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 FFmpeg 直抄推流到 SRS")
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ffmpeg_proc = subprocess.Popen(
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ffmpeg_command,
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stdin=subprocess.DEVNULL,
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stdout=subprocess.DEVNULL,
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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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ffmpeg_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=(ffmpeg_proc, stderr_q))
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reader_t.daemon = True
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reader_t.start()
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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=1.5)
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except queue.Empty:
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if time.time() - ffmpeg_proc.last_out_ts > STALE_OUTPUT_SECONDS:
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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 not line:
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continue
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ffmpeg_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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if any(kw in line_lower for kw in END_KEYWORDS):
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print("[INFO] 检测到下播关键字，停止转播")
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raise StreamEnded()
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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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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 SRS → ffplay HDMI 转播 → {record_name}")
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except KeyboardInterrupt:
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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] 未知异常: {e}")
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traceback.print_exc()
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time.sleep(10)
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finally:
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cleanup_proc(ffmpeg_proc, "FFmpeg")
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cleanup_proc(ffplay_proc, "ffplay")
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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_name in running_list:
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running_list.remove(record_name)
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# global monitoring
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# monitoring = max(0, monitoring - 1)
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monitoring[0] = max(0, monitoring[0] - 1) # 修改为列表元素
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clear_record_info(record_name, real_url)
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except:
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pass
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color_obj.print_colored(f"[{record_name}] SRS → ffplay HDMI 转播已彻底停止并清理完毕\n", color_obj.GREEN) |