复了： 1. sys.stdout/sys.stderr 为 None — gui.py 开头重定向到 os.devnull，防止子进程 print()/tqdm 崩溃

Author: YaoFANGUK

backend/main.py

@@ -484,7 +484,7 @@ def vsf_output(out, ):
                 Thread(target=count_process, daemon=True).start()       
                 # 已知BUG: test_chinese_cht.flv在net drive上会导致无法停止, 但在本地不会, 可能是vsf的原因
                 p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=1,
-                                    close_fds='posix' in sys.builtin_module_names, shell=False, creationflags=subprocess.CREATE_NEW_PROCESS_GROUP)
+                                    close_fds='posix' in sys.builtin_module_names, shell=False, creationflags=subprocess.CREATE_NEW_PROCESS_GROUP | subprocess.CREATE_NO_WINDOW)
                 ProcessManager.instance().add_process(p)
                 self.manage_process(p.pid)
                 p.wait()

gui.py

@@ -9,6 +9,13 @@
 
 import sys
 import os
+
+# PyInstaller --windowed 模式下 stdout/stderr 为 None，子进程 print/tqdm 会崩溃
+if sys.stdout is None:
+    sys.stdout = open(os.devnull, 'w', encoding='utf-8')
+if sys.stderr is None:
+    sys.stderr = open(os.devnull, 'w', encoding='utf-8')
+
 import configparser
 import cv2
 import multiprocessing