fix: 无回放时间时

hikvision_isc_client/recorder.py

@@ -119,19 +119,19 @@ class StreamRecorder:
             HikVisionClient.iso_format(end_time)
         )
         log.info('playback: %s', playback_urls)
+        file_name = os.path.join(video_path, 'rtmp_{}_{}.mp4'.format(
+            start_time.astimezone(pytz.utc).strftime('%Y%m%dT%H%M%S'),
+            end_time.astimezone(pytz.utc).strftime('%Y%m%dT%H%M%S')
+        ))
         if len(playback_urls) > 0:
             # 可以只通过一个回放流地址取到其他时间段的流
             playback_stream = playback_urls[0]
         else:
-            return
+            return {'file_name': file_name, 'is_completed': False, 'recovered_time': start_time}
+
         part_num = retry_count = 0
         is_completed = False
         part_files_set = set()
-        file_name = os.path.join(video_path, 'rtmp_{}_{}.mp4'.format(
-            start_time.astimezone(pytz.utc).strftime('%Y%m%dT%H%M%S'),
-            end_time.astimezone(pytz.utc).strftime('%Y%m%dT%H%M%S')
-        ))
-
         while retry_count < 6:
             # 重试六次
             retry_count += 1