fix:ocr algorithm issue with no subtitle

detect_with_ocr.py

@@ -580,6 +580,7 @@ def process_video(video_path: str, begin: float, end: float, book_path: str, she
     video.set(cv2.CAP_PROP_POS_MSEC, begin * 1000)
     pre_state = state[0]
     ocr_h = None
+    fl = False
     while True:
         _, frame = video.read()
         if frame is None:
@@ -605,7 +606,7 @@ def process_video(video_path: str, begin: float, end: float, book_path: str, she
             break
         # 每秒取4帧画面左右
         # TODO 取帧算法优化
-        fl = False
+        
         if cnt % int(fps / 4) == 0:
             # 更新当前工程的检测进度
             if pre_state is None:
@@ -625,6 +626,7 @@ def process_video(video_path: str, begin: float, end: float, book_path: str, she
                 if len(subTitle) == 0:
                     subTitle = None
             if fl:
+                print('QQQQQ')
                 if subTitle is None:
                     continue
                 else :
@@ -642,12 +644,16 @@ def process_video(video_path: str, begin: float, end: float, book_path: str, she
 
                         # write_to_sheet(book_path, sheet_name, [round(start_time, 2), round(end_time, 2), lastSubTitle, ''])
                         add_to_list(mainWindow, "字幕", [round(start_time, 3), round(end_time, 3), lastSubTitle, ''],ocr_h)
-                        print(">>>>>>subtitle,ocr_h2:" + str(lastSubTitle) + ">>>" + str(ocr_h))
+                        print(">>>>>>subtitle,ocr_h2:" + str(lastSubTitle) + ">>>" + str(ocr_h), 'st=', start_time, 'ed=', end_time, cur_time, cur_time1)
                         start_time = cur_time
+                        lastSubTitle = subTitle
+                        last_confidence = confidence
+                        lastConf = conf
                     else :
                         lastSubTitle = subTitle if conf > lastConf else lastSubTitle
                         lastConf = max(lastConf, conf)
                     fl = False
+                    continue
             # 第一次找到字幕
             if lastSubTitle is None and subTitle is not None:
                 if cur_ocr_h != None:
@@ -656,7 +662,7 @@ def process_video(video_path: str, begin: float, end: float, book_path: str, she
 
             # 字幕消失
             elif lastSubTitle is not None and subTitle is None:
-                fl = False
+                fl = True
                 cur_time1 = cur_time
                 continue
                 # end_time = cur_time