From 78178104610d08a312d287ff3e292a3ac3325df0 Mon Sep 17 00:00:00 2001
From: Matt Hill <matthill@gmail.com>
Date: Sun, 6 Apr 2014 12:19:40 -0500
Subject: [PATCH] Added a pause_on_frame debug variable (useful for debugging
 video)

---
 runtime_data/openalpr.conf |  1 +
 src/openalpr/alpr_impl.cpp | 10 +++++++---
 src/openalpr/config.cpp    |  1 +
 src/openalpr/config.h      |  1 +
 4 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/runtime_data/openalpr.conf b/runtime_data/openalpr.conf
index e352b6d..d6e7cee 100644
--- a/runtime_data/openalpr.conf
+++ b/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 ;;;;
 
diff --git a/src/openalpr/alpr_impl.cpp b/src/openalpr/alpr_impl.cpp
index e7e67ef..ec5df5e 100644
--- a/src/openalpr/alpr_impl.cpp
+++ b/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)
+      {}
+    }
   }
 
   
diff --git a/src/openalpr/config.cpp b/src/openalpr/config.cpp
index 38fb13f..f439ac9 100644
--- a/src/openalpr/config.cpp
+++ b/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);
   
 }
 
diff --git a/src/openalpr/config.h b/src/openalpr/config.h
index 27614a2..8ea25fe 100644
--- a/src/openalpr/config.h
+++ b/src/openalpr/config.h
@@ -104,6 +104,7 @@ class Config
     bool debugOcr;
     bool debugPostProcess;
     bool debugShowImages;
+    bool debugPauseOnFrame;
     
     void debugOff();