seems to work

configuration.cc

@@ -44,6 +44,8 @@ Configuration::Configuration() {
     web_height = -1;
     web_width = -1;
     web_imagerefresh = 250;
+
+    filter_ratio = 0.5;
 };
 
 Configuration::~Configuration() {
@@ -276,3 +278,38 @@ void Configuration::Help() {
     printf (" ./miniwebcam -sslkey ./ssl-key.pem -sslcert ./ssl-cert.pem -websize 800x600\n");
 }
 
+
+
+
+void Configuration::SetValue(std::string name, std::string value) {
+    if (name.compare("filter_ratio") == 0) {
+        filter_ratio = atof(value.c_str());
+        debug ("Filter Ration set to : %g", filter_ratio);
+    }
+};
+
+
+std::string Configuration::GetValues() {
+    JSONParse jp;
+    JSONElement je;
+
+    je.Clear();
+    jp.Clear();
+
+    JSONParse jpe;
+
+    //
+    jpe.Clear();
+    jpe.AddObject("name", "filter_ratio");
+    jpe.AddObject("value", filter_ratio);
+    jpe.AddObject("desc", "Ratio between new to old image (1.0 = new image)");
+    
+    je.SetAddArray("variables", jpe.ToString());
+
+    //
+
+
+    jp.AddObject(je);
+    return jp.ToString();
+};
+

configuration.h

@@ -47,12 +47,17 @@ public:
     std::string vdev_dumpfile; 
     std::string vdev_dumppath;
 
+    float filter_ratio;
+
     Configuration();
     ~Configuration();
 
     int LoadArgs(int argc, char **argv);
     int LoadFile(std::string fn);
 
+    void SetValue(std::string name, std::string value);
+    std::string GetValues();
+
     int GetInitFlags() { return initflags; };
     std::string GetFilename() { return filename; };
 

main.cc

@@ -73,7 +73,7 @@ static void *thread_video(void *ignored_argument) {
         }
         Lock();
         inputimage.CopyTo(&currentimage, config.web_width, config.web_height);
-        if (inputfloatfilter.AddScaledImage(&inputfloat, 0.6, 0.4) == 0)
+        if (inputfloatfilter.AddScaledImage(&inputfloat, config.filter_ratio) == 0)
             inputfloat.CopyTo(&inputfloatfilter);
         inputfloatfilter.CopyTo(&currentimagefloat);
         UnLock();

videoframe.cc

@@ -277,7 +277,7 @@ int VideoFrameFloat::CopyTo(VideoFrameFloat *dest) {
 };
 
 
-int VideoFrameFloat::AddScaledImage(VideoFrameFloat *vf, float f1, float f2) {
+int VideoFrameFloat::AddScaledImage(VideoFrameFloat *vf, float ratio) {
     float *sptr, *dptr;
     int x, y;
 
@@ -285,7 +285,7 @@ int VideoFrameFloat::AddScaledImage(VideoFrameFloat *vf, float f1, float f2) {
 
     for (dptr = memf, sptr = vf->GetPixBuf(), y = 0; y < height; y++) 
        for (x = 0; x < width*3; x++) {
-            *dptr = f1 * (*dptr) + f2 * (*sptr);
+            *dptr = (1.0-ratio) * (*dptr) + ratio * (*sptr);
             dptr++;
             sptr++;
         }

videoframe.h

@@ -49,7 +49,7 @@ class VideoFrameFloat {
         int CopyTo(VideoFrame *dest);
         int CopyTo(VideoFrameFloat *dest);
 
-        int AddScaledImage(VideoFrameFloat *vf, float f1, float f2);
+        int AddScaledImage(VideoFrameFloat *vf, float ratio);
 };
 
 

webserver.cc

@@ -10,6 +10,9 @@ extern VideoDevice *vdev;
 std::string API_Get_Ctrls();
 std::string API_Set_Ctrl(std::string request);
 
+std::string API_Get_Values();
+std::string API_Set_Value(std::string request);
+
 // InMemoryFile GenerateJpgFile(VideoFrame *vf);
 InMemoryTar assets;
 
@@ -44,9 +47,20 @@ int WebCamServer::HandleRequest (WebRequestBuffer *requestbuffer, WebServerClien
         if (webclient->SendResponseData(requestbuffer, API_Get_Ctrls(), "") != 1) return 0;
     }
     else if (request.find("/set/ctrl") != std::string::npos) {
-        debug ("set controls");
+        debug ("set control");
         if (webclient->SendResponseData(requestbuffer, API_Set_Ctrl(request), "") != 1) return 0;
     }
+
+    else if (request.compare("/get/variables") == 0) {
+        debug ("get values");
+        if (webclient->SendResponseData(requestbuffer, API_Get_Values(), "") != 1) return 0;
+    }
+    else if (request.find("/set/var") != std::string::npos) {
+        debug ("set value");
+        if (webclient->SendResponseData(requestbuffer, API_Set_Value(request), "") != 1) return 0;
+    }
+
+
     else if (isfile("www"+request)) {
         if (webclient->SendResponseFile(requestbuffer, request, "") != 1) return 0;
     }
@@ -102,14 +116,57 @@ std::string API_Set_Ctrl(std::string request) {
     while ((t = strchr (t, '/'))) {
         i++;
         t++;
-        if (i == 3) id = atol (t);
+        printf ("%d %s\n", i, t);
-        if (i == 4) value = atoi (t);
+        if (i == 3) {
+            char *v = strchr (t, '=');
+            id = atol (t);
+            if (v == NULL) break;
+            value = atoi(++v);
+            debug ("id:%d value:%d", id, value);
+            vdev->SetDevCtrl(id, value);
+            break;
+        }
+        if (i > 4) break;
+    }
+
+
+    JSONParse jp;
+    jp.Clear();
+    return jp.ToString();
+}
+
+
+std::string API_Get_Values() {
+    return config.GetValues();
+}
+
+
+
+std::string API_Set_Value(std::string request) {
+    std::string name;
+    std::string value;
+    char *t = (char*) request.c_str();
+
+    int i = 0;
+    while ((t = strchr (t, '/'))) {
+        i++;
+        t++;
+        printf ("%d %s\n", i, t);
+        if (i == 3) {
+            char *v = strchr (t, '=');
+            if (v == NULL) break;
+            name = ((std::string) t).substr(0, (v-t));
+            value = (++v);
+            debug ("name:%s value:%s", name.c_str(), value.c_str());
+            config.SetValue(name, value);
+            break;
+        }
         if (i > 4) break;
     }
 
-    vdev->SetDevCtrl(id, value);
 
     JSONParse jp;
     jp.Clear();
     return jp.ToString();
-}
+}
+

www/default.css

@@ -2,3 +2,14 @@ body {
     background-color: #444;
     color: #BBB;
 }
+
+table, th, td {
+    border: thin solid;
+    border-collapse: collapse;
+}
+
+.float {
+    float: left;
+    padding: 10px;
+    border: thin solid;
+}

www/index.html

@@ -19,7 +19,14 @@
 
     <br>
     
-        <table id="controls"></table>
+        <div class="float">
+            <h2>Controls</h2><hr>
+            <table id="controls"></table>
+        </div>
+        <div class="float">
+            <h2>Infos</h2><hr>
+            <table id="variables"></table>
+        </div>
 
     <br>
 
@@ -32,7 +39,8 @@
 <script>
 
 let ctrls;
-    
+let variables;
+
 function reloadImage() {
     const img1 = document.getElementById('webcamimage');
     const filterimage1 = document.getElementById('floatimage');
@@ -59,7 +67,34 @@ function refreshCtrls() {
             ctrls.ctrls.forEach(function (elm, idx) {
                 t += "<tr><td>"+elm.name+"</td><td>"+elm.min+"</td>"+
                      "<td>"+elm.max+"</td><td>" +
-                     "<input class=\"ctrlvalue\" dataid=\""+elm.id+"\" value=\""+elm.value+"\"></td></tr>";
+                     "<input class=\"ctrlvalue\" dataid=\""+elm.id+"\" value=\""+elm.value+"\" size=\"6\"></td></tr>";
+            });
+            t += "</tbody>";
+            table.innerHTML = t;
+       },
+       error: function(error) {
+           debug.innerHTML = "ERROR";
+       }
+   });
+}
+
+
+function refreshVariables() {
+    let debug = document.getElementById("debug");
+
+    $.ajax({
+        type: "POST",
+        url: 'get/variables',
+        data: "",
+        success: function(response)
+        {
+            let jsonData = {};
+            
+            variables = JSON.parse(response);
+            let table = document.getElementById("variables");
+            let t = "<tbody>";
+            variables.variables.forEach(function (elm, idx) {
+                t += "<tr><td>"+elm.name+"</td><td><input class=\"variablevalue\" dataid=\""+elm.name+"\" value=\""+elm.value+"\" size=\"6\"></td></tr>";
             });
             t += "</tbody>";
             table.innerHTML = t;
@@ -70,12 +105,14 @@ function refreshCtrls() {
    });
 }
 
+
+
 function setCtrl(id, value) {
     let debug = document.getElementById("debug");
 
     $.ajax({
         type: "POST",
-        url: 'set/ctrl/'+id+"/"+value,
+        url: 'set/ctrl/'+id+"="+value,
         data: "",
         success: function(response)
         {
@@ -86,9 +123,30 @@ function setCtrl(id, value) {
        }
    });
 }
-    
+
+
+
+function setVariable(id, value) {
+    let debug = document.getElementById("debug");
+
+    $.ajax({
+        type: "POST",
+        url: 'set/var/'+id+"="+value,
+        data: "",
+        success: function(response)
+        {
+            refreshCtrls();
+       },
+       error: function(error) {
+           debug.innerHTML = "ERROR";
+       }
+   });
+}
+
+
 setInterval(reloadImage, 500);
 refreshCtrls();
+refreshVariables();
 
 $(document).on('keypress', '.ctrlvalue', function(e) {
     if (e.key === 'Enter' || e.keyCode === 13) {
@@ -102,6 +160,18 @@ $(document).on('keypress', '.ctrlvalue', function(e) {
     }
 });
     
+$(document).on('keypress', '.variablevalue', function(e) {
+    if (e.key === 'Enter' || e.keyCode === 13) {
+        // Hier deine Funktion einfügen
+        let id = this.getAttribute('dataid');
+        let value = this.value;
+        setVariable(id, value);
+        
+        // Verhindert das Standard-Verhalten (z. B. Formular absenden)
+        e.preventDefault(); 
+    }
+});
+    
 </script>
 
 </html>