Added a pause_on_frame debug variable (useful for debugging video)

runtime_data/openalpr.conf

@@ -46,6 +46,7 @@ color_filter  = 0
 ocr           = 0
 postprocess   = 0
 show_images   = 0
+pause_on_frame	= 0
 
 ;;; Country Specific variables ;;;;
 

src/openalpr/alpr_impl.cpp

@@ -136,10 +136,14 @@ std::vector<AlprResult> AlprImpl::recognize(cv::Mat img)
 
     
     displayImage(config, "Main Image", img);
-    // Pause indefinitely until they press a key
     cv::waitKey(1);
-    //while ((char) cv::waitKey(50) == -1)
+    
-    //  {}
+    if (config->debugPauseOnFrame)
+    {
+      // Pause indefinitely until they press a key
+      while ((char) cv::waitKey(50) == -1)
+      {}
+    }
   }
 
   

src/openalpr/config.cpp

@@ -135,6 +135,7 @@ void Config::loadValues(string country)
   debugOcr = 		getBoolean("debug", "ocr", 		false);
   debugPostProcess = 	getBoolean("debug", "postprocess", 	false);
   debugShowImages = 	getBoolean("debug", "show_images",	false);
+  debugPauseOnFrame = 	getBoolean("debug", "pause_on_frame",	false);
   
 }
 

src/openalpr/config.h

@@ -104,6 +104,7 @@ class Config
     bool debugOcr;
     bool debugPostProcess;
     bool debugShowImages;
+    bool debugPauseOnFrame;
     
     void debugOff();