mpv设计ok
This commit is contained in:
Your Name
188
main.py
188
main.py
@@ -1623,7 +1623,7 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
|
||||
else:
|
||||
|
||||
# ====================== 抖音 → HDMI 转播（FIFO + mpv 常驻 + 超强稳定重连 + 完整下播检测） ======================
|
||||
# ====================== 抖音 → HDMI 转播（FIFO + mpv 常驻 + 卡死自动重启 + 超强稳定重连） ======================
|
||||
import queue
|
||||
import unicodedata
|
||||
import traceback
|
||||
@@ -1673,27 +1673,19 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
pass
|
||||
|
||||
# ====================== 配置参数 ======================
|
||||
MAX_RETRY_DELAY = 90
|
||||
INITIAL_RETRY_DELAY = 3
|
||||
STDERR_QUEUE_TIMEOUT = 1.0
|
||||
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
|
||||
INITIAL_RETRY_DELAY = 3 # 首次重连等待时间（秒），从这个值开始翻倍
|
||||
STDERR_QUEUE_TIMEOUT = 1.0 # 读取 FFmpeg stderr 的队列超时（秒），用于及时发现卡顿
|
||||
|
||||
NO_FRAME_TIMEOUT = 120 # 连续多少秒无新帧视为下播
|
||||
START_CHECK_AFTER = 25 # 开始检测无帧的最短时间（避免刚开播误判）
|
||||
STALE_OUTPUT_SECONDS = 120 # 长时间无任何日志输出，视为僵死
|
||||
NO_FRAME_TIMEOUT = 120 # 连续多少秒无新帧（frame= 未增长）就判定主播下播（秒）
|
||||
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）
|
||||
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）
|
||||
|
||||
END_KEYWORDS = [
|
||||
"connection reset by peer",
|
||||
"failed to write trailer",
|
||||
"invalid data found",
|
||||
"server returned 403",
|
||||
"server returned 404",
|
||||
"ingestion error",
|
||||
"access denied",
|
||||
"packet too short",
|
||||
"client disconnected",
|
||||
"live has ended",
|
||||
"no route to host",
|
||||
"connection timed out",
|
||||
"connection reset by peer", "failed to write trailer", "invalid data found",
|
||||
"server returned 403", "server returned 404", "ingestion error",
|
||||
"access denied", "packet too short", "client disconnected",
|
||||
"live has ended", "no route to host", "connection timed out",
|
||||
]
|
||||
|
||||
timestamp_str = time.strftime("%Y-%m-%d_%H-%M-%S", time.localtime())
|
||||
@@ -1701,7 +1693,7 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
stream_title = sanitize_title(f"{anchor_name}{('_' + _clean_title) if _clean_title else ''}_{timestamp_str}")
|
||||
print(f"[INFO] {rec_info} 开始转播到 HDMI: {stream_title}")
|
||||
|
||||
# 编码参数保持原样
|
||||
# 编码参数（完全保留原样）
|
||||
codec_v = "libx264"
|
||||
preset_v = "ultrafast"
|
||||
tune_param = ["-tune", "zerolatency"]
|
||||
@@ -1712,21 +1704,20 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
"Origin: https://live.douyin.com\r\n"
|
||||
)
|
||||
|
||||
# ====================== FIFO 路径 ======================
|
||||
# ====================== FIFO ======================
|
||||
FIFO_PATH = "/tmp/douyin_hdmi.fifo"
|
||||
if not os.path.exists(FIFO_PATH):
|
||||
try:
|
||||
os.mkfifo(FIFO_PATH)
|
||||
print(f"[INFO] 创建 FIFO 文件: {FIFO_PATH}")
|
||||
except Exception as e:
|
||||
print(f"[ERROR] 创建 FIFO 失败: {e}")
|
||||
# 如果创建失败，继续尝试使用（某些系统可能已存在）
|
||||
print(f"[ERROR] 创建 FIFO 失败（可能已存在）: {e}")
|
||||
|
||||
# ====================== mpv 命令（常驻） ======================
|
||||
# ====================== mpv 命令 ======================
|
||||
mpv_cmd = [
|
||||
"mpv",
|
||||
FIFO_PATH,
|
||||
"--vo=drm",
|
||||
"--vo=drm", # 不支持会自动降级
|
||||
"--hwdec=v4l2m2m",
|
||||
"--profile=low-latency",
|
||||
"--cache=yes",
|
||||
@@ -1766,7 +1757,7 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
"-i", real_url,
|
||||
|
||||
"-vf", "fps=30,scale=720:1280:force_original_aspect_ratio=decrease:flags=lanczos,"
|
||||
"pad=720:1280:(ow-iw)/2:(oh-ih)/2:black",
|
||||
"pad=720:1280:(ow-iw)/2:(oh-ih)/2:black",
|
||||
|
||||
"-c:v", codec_v,
|
||||
"-preset", preset_v,
|
||||
@@ -1801,86 +1792,100 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
proc = None
|
||||
mpv_proc = None
|
||||
retry_delay = INITIAL_RETRY_DELAY
|
||||
last_buffer_warning_time = 0 # 避免频繁重启
|
||||
|
||||
try:
|
||||
# 启动 mpv（常驻，只启动一次）
|
||||
if mpv_proc is None or (mpv_proc.poll() is not None):
|
||||
print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 mpv 常驻播放 HDMI (FIFO: {FIFO_PATH})")
|
||||
mpv_proc = subprocess.Popen(
|
||||
mpv_cmd,
|
||||
stdin=subprocess.DEVNULL,
|
||||
stdout=subprocess.DEVNULL,
|
||||
stderr=subprocess.DEVNULL
|
||||
)
|
||||
|
||||
while True:
|
||||
try:
|
||||
if retry_delay > INITIAL_RETRY_DELAY:
|
||||
print(f"[WARN] 等待 {retry_delay} 秒后重连抖音源...")
|
||||
time.sleep(retry_delay)
|
||||
retry_delay = min(retry_delay * 2, MAX_RETRY_DELAY)
|
||||
|
||||
cleanup_proc(proc)
|
||||
|
||||
print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 FFmpeg 拉流 → FIFO → mpv")
|
||||
proc = subprocess.Popen(
|
||||
ffmpeg_command,
|
||||
# 启动/重启 mpv（常驻）
|
||||
if mpv_proc is None or mpv_proc.poll() is not None:
|
||||
if mpv_proc is not None:
|
||||
print("[WARN] mpv 进程已退出，准备重新启动")
|
||||
print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 mpv 播放 HDMI (FIFO: {FIFO_PATH})")
|
||||
mpv_proc = subprocess.Popen(
|
||||
mpv_cmd,
|
||||
stdin=subprocess.DEVNULL,
|
||||
stdout=subprocess.DEVNULL,
|
||||
stderr=subprocess.PIPE,
|
||||
text=True,
|
||||
bufsize=1,
|
||||
universal_newlines=True
|
||||
stderr=subprocess.DEVNULL
|
||||
)
|
||||
proc.last_out_ts = time.time()
|
||||
time.sleep(1) # 给 mpv 启动时间
|
||||
|
||||
stderr_q = queue.Queue()
|
||||
reader_t = threading.Thread(target=_stderr_reader_thread, args=(proc, stderr_q))
|
||||
reader_t.daemon = True
|
||||
reader_t.start()
|
||||
# 重连等待
|
||||
if retry_delay > INITIAL_RETRY_DELAY:
|
||||
print(f"[WARN] 等待 {retry_delay} 秒后重连抖音源...")
|
||||
time.sleep(retry_delay)
|
||||
retry_delay = min(retry_delay * 2, MAX_RETRY_DELAY)
|
||||
|
||||
start_time = last_frame_time = time.time()
|
||||
# 清理旧 FFmpeg
|
||||
cleanup_proc(proc)
|
||||
|
||||
while True:
|
||||
try:
|
||||
line = stderr_q.get(timeout=STDERR_QUEUE_TIMEOUT)
|
||||
except queue.Empty:
|
||||
if time.time() - proc.last_out_ts > STALE_OUTPUT_SECONDS:
|
||||
print("[WARN] FFmpeg 长时间无输出，强制重启 FFmpeg")
|
||||
break
|
||||
continue
|
||||
print(f"[INFO][{datetime.datetime.now():%H:%M:%S}] 启动 FFmpeg 拉流 → FIFO")
|
||||
proc = subprocess.Popen(
|
||||
ffmpeg_command,
|
||||
stdin=subprocess.DEVNULL,
|
||||
stdout=subprocess.DEVNULL,
|
||||
stderr=subprocess.PIPE,
|
||||
text=True,
|
||||
bufsize=1,
|
||||
universal_newlines=True
|
||||
)
|
||||
proc.last_out_ts = time.time()
|
||||
|
||||
if line is None:
|
||||
stderr_q = queue.Queue()
|
||||
reader_t = threading.Thread(target=_stderr_reader_thread, args=(proc, stderr_q))
|
||||
reader_t.daemon = True
|
||||
reader_t.start()
|
||||
|
||||
start_time = last_frame_time = time.time()
|
||||
last_buffer_warning_time = 0
|
||||
|
||||
while True:
|
||||
try:
|
||||
line = stderr_q.get(timeout=STDERR_QUEUE_TIMEOUT)
|
||||
except queue.Empty:
|
||||
if time.time() - proc.last_out_ts > STALE_OUTPUT_SECONDS:
|
||||
print("[WARN] FFmpeg 长时间无输出，强制重启 FFmpeg")
|
||||
break
|
||||
continue
|
||||
|
||||
line = line.strip()
|
||||
if line.startswith("__ERR__READER__"):
|
||||
continue
|
||||
if line:
|
||||
proc.last_out_ts = time.time()
|
||||
print(f"[FFmpeg] {line}")
|
||||
line_lower = line.lower()
|
||||
if line is None:
|
||||
break
|
||||
|
||||
if any(kw in line_lower for kw in END_KEYWORDS):
|
||||
print("[INFO] 检测到主播下播关键字，停止转播")
|
||||
line = line.strip()
|
||||
if line.startswith("__ERR__READER__"):
|
||||
continue
|
||||
|
||||
if line:
|
||||
proc.last_out_ts = time.time()
|
||||
print(f"[FFmpeg] {line}")
|
||||
line_lower = line.lower()
|
||||
|
||||
# 关键：检测 mpv 卡死（buffers queued 1000）
|
||||
if "1000 buffers queued" in line_lower:
|
||||
current_time = time.time()
|
||||
if current_time - last_buffer_warning_time > 10:
|
||||
print("[CRITICAL] 检测到 mpv 卡死（1000 buffers queued），强制重启 mpv！")
|
||||
last_buffer_warning_time = current_time
|
||||
if mpv_proc and mpv_proc.poll() is None:
|
||||
mpv_proc.kill()
|
||||
mpv_proc = None # 外层循环会重新启动
|
||||
break # 退出内循环，触发重启
|
||||
|
||||
# 真实下播检测
|
||||
if any(kw in line_lower for kw in END_KEYWORDS):
|
||||
print("[INFO] 检测到主播下播关键字，停止转播")
|
||||
raise StreamEnded()
|
||||
|
||||
# 有新帧到来
|
||||
if re.search(r'frame=\s*\d+', line_lower):
|
||||
last_frame_time = time.time()
|
||||
retry_delay = INITIAL_RETRY_DELAY
|
||||
|
||||
# 无帧超时下播判定
|
||||
if time.time() - start_time > START_CHECK_AFTER:
|
||||
if time.time() - last_frame_time > NO_FRAME_TIMEOUT:
|
||||
print(f"[INFO] {NO_FRAME_TIMEOUT}s 无新帧，判定主播已下播")
|
||||
raise StreamEnded()
|
||||
|
||||
if re.search(r'frame=\s*\d+', line_lower) or "fps=" in line_lower:
|
||||
last_frame_time = time.time()
|
||||
retry_delay = INITIAL_RETRY_DELAY
|
||||
|
||||
if time.time() - start_time > START_CHECK_AFTER:
|
||||
if time.time() - last_frame_time > NO_FRAME_TIMEOUT:
|
||||
print(f"[INFO] {NO_FRAME_TIMEOUT}s 无新帧，判定主播已下播")
|
||||
raise StreamEnded()
|
||||
|
||||
except StreamEnded:
|
||||
raise
|
||||
except Exception as e:
|
||||
print(f"[ERROR] FFmpeg 运行异常: {e}")
|
||||
traceback.print_exc()
|
||||
continue
|
||||
|
||||
except StreamEnded:
|
||||
print(f"[INFO] 主播已下播，停止 HDMI 转播 → {record_name}")
|
||||
|
||||
@@ -1893,7 +1898,6 @@ def start_record(url_data: tuple, count_variable: int = -1) -> None:
|
||||
|
||||
finally:
|
||||
cleanup_proc(proc)
|
||||
|
||||
if mpv_proc and mpv_proc.poll() is None:
|
||||
print("[INFO] 终止 mpv 进程...")
|
||||
mpv_proc.terminate()
|
||||
|
||||
Reference in New Issue
Block a user