adding refresh time

configuration.cc

@@ -30,6 +30,7 @@ Configuration::Configuration() {
     vdev_width = DEFAULT_VDEV_WIDTH;
     web_height = DEFAULT_WEB_HEIGHT;
     web_width = DEFAULT_WEB_WIDTH;
+    web_imagerefresh = 250;
 };
 
 Configuration::~Configuration() {
@@ -58,6 +59,7 @@ int Configuration::PrintConfig() {
     jp.AddObject("vdev-format", vdev_format);
     jp.AddObject("web-height", web_height);
     jp.AddObject("web-width", web_width);
+    jp.AddObject("web-refresh", web_imagerefresh);
     jp.AddObject("vdev-dumpath", vdev_dumppath);
 
     //
@@ -94,6 +96,7 @@ int Configuration::LoadFile(std::string fn) {
     if (jp.GetValueString("ssl-cert-file", &s)) ssl_cert = s;
     if (jp.GetValueInt("web-height", &i))       web_height = i;
     if (jp.GetValueInt("web-width", &i))        web_width = i;
+    if (jp.GetValueInt("web-refresh", &i))        web_imagerefresh = i;
 
     if (jp.GetValueString("vdev-device", &s))   vdev_device = s;
     if (jp.GetValueString("vdev-format", &s))   vdev_format = s;
@@ -140,6 +143,13 @@ int Configuration::LoadArgs(int argc, char **argv) {
             else
                 ErrorExit("missing port parameter", -1);
         }
+        if (strcmp(argv[i], "-webrefresh") == 0) {
+            if (++i < argc) {
+                web_imagerefresh = atoi(argv[i]);
+            }
+            else
+                ErrorExit("missing ms refresh time", -1);
+        }
         if (strcmp(argv[i], "-websize") == 0) {
             if ((i=i+2) < argc) {
                 web_width = atoi(argv[i-1]);
@@ -223,6 +233,7 @@ void Configuration::Help() {
     printf ("  -sslcert FILE       ssl certfile\n");
     printf ("\n");
     printf ("  -websize INT INT    define the web output resolution\n");
+    printf ("  -webrefresh INT     refresh rate for the snapshot\n");
     printf ("\n");
     printf ("  -vdeviomode INT     IOMode to read the video data, 0-read, 1-MMap\n");
     printf ("  -vdevdevice FILE    Device File i.e. /dev/video2\n");

configuration.h

@@ -36,6 +36,7 @@ public:
 
     int web_height;
     int web_width;
+    int web_imagerefresh;
 
     int vdev_height;
     int vdev_width;

webserver.cc

@@ -50,7 +50,7 @@ std::string GenerateHtmlFile() {
     res += "  src = src + '?' + new Date().getTime();\n";
     res += "  img.src = src;\n";
     res += "}\n\n";
-    res += "setInterval(reloadImage, 5000);\n";
+    res += "setInterval(reloadImage, "+to_string(config.web_imagerefresh)+");\n";
     res += "\n\n";
     res += "</script>\n";
     res += "</body></html>";