packet decoding as secondary demodulator, finally displayin something on

the webpage

csdr.py

@@ -150,7 +150,13 @@ class dsp(object):
         if which == "nfm":
             chain += ["csdr fmdemod_quadri_cf", "csdr limit_ff"]
             chain += last_decimation_block
-            chain += ["csdr deemphasis_nfm_ff {output_rate}", "csdr convert_f_s16"]
+            chain += ["csdr deemphasis_nfm_ff {output_rate}"]
+            if self.get_audio_rate() != self.get_output_rate():
+                chain += [
+                    "sox -t raw -r {audio_rate} -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
+                ]
+            else:
+                chain += ["csdr convert_f_s16"]
         elif self.isDigitalVoice(which):
             chain += ["csdr fmdemod_quadri_cf", "dc_block "]
             chain += last_decimation_block
@@ -179,13 +185,6 @@ class dsp(object):
                 "CSDR_FIXED_BUFSIZE=32 csdr agc_ff 160000 0.8 1 0.0000001 {max_gain}".format(max_gain=max_gain),
                 "sox -t raw -r 8000 -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ",
             ]
-        elif which == "packet":
-            chain += ["csdr fmdemod_quadri_cf"]
-            chain += last_decimation_block
-            chain += [
-                "csdr convert_f_s16",
-                "direwolf -r {audio_rate} -t 0 - 1>&2"
-            ]
         elif which == "am":
             chain += ["csdr amdemod_cf", "csdr fastdcblock_ff"]
             chain += last_decimation_block
@@ -195,7 +194,7 @@ class dsp(object):
             chain += last_decimation_block
             chain += ["csdr agc_ff", "csdr limit_ff"]
             # fixed sample rate necessary for the wsjt-x tools. fix with sox...
-            if self.isWsjtMode() and self.get_audio_rate() != self.get_output_rate():
+            if self.get_audio_rate() != self.get_output_rate():
                 chain += [
                     "sox -t raw -r {audio_rate} -e floating-point -b 32 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - "
                 ]
@@ -230,6 +229,12 @@ class dsp(object):
                 chain += "csdr fractional_decimator_ff {last_decimation} | "
             chain += "csdr agc_ff | csdr limit_ff | csdr convert_f_s16"
             return chain
+        elif which == "packet":
+            chain = secondary_chain_base + "csdr fmdemod_quadri_cf | "
+            if self.last_decimation != 1.0:
+                chain += "csdr fractional_decimator_ff {last_decimation} | "
+            chain += "csdr convert_f_s16 | direwolf -r {audio_rate} -t 0 -"
+            return chain
 
     def set_secondary_demodulator(self, what):
         if self.get_secondary_demodulator() == what:
@@ -281,6 +286,7 @@ class dsp(object):
             secondary_bpf_transition_bw=self.secondary_bpf_transition_bw(),
             if_samp_rate=self.if_samp_rate(),
             last_decimation=self.last_decimation,
+            audio_rate=self.get_audio_rate(),
         )
 
         logger.debug("secondary command (demod) = %s", secondary_command_demod)

htdocs/css/openwebrx.css

@@ -698,11 +698,6 @@ img.openwebrx-mirror-img
     transform-origin: 0% 50%;
 }
 
-#openwebrx-digimode-content .part .subpart
-{
-}
-
-
 @keyframes new-digimode-data
 {
 	0%{ opacity: 0; }
@@ -862,7 +857,8 @@ img.openwebrx-mirror-img
 #openwebrx-panel-digimodes[data-mode="wspr"] #openwebrx-digimode-select-channel,
 #openwebrx-panel-digimodes[data-mode="jt65"] #openwebrx-digimode-select-channel,
 #openwebrx-panel-digimodes[data-mode="jt9"] #openwebrx-digimode-select-channel,
-#openwebrx-panel-digimodes[data-mode="ft4"] #openwebrx-digimode-select-channel
+#openwebrx-panel-digimodes[data-mode="ft4"] #openwebrx-digimode-select-channel,
+#openwebrx-panel-digimodes[data-mode="packet"] #openwebrx-digimode-select-channel
 {
     display: none;
 }
@@ -876,3 +872,7 @@ img.openwebrx-mirror-img
     height: 200px;
     margin: -10px;
 }
+
+#openwebrx-panel-digimodes[data-mode="packet"] #openwebrx-digimode-content-container {
+    height: 250px;
+}

htdocs/index.html

@@ -74,9 +74,6 @@
 						<div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-ysf"
                              style="display:none;" data-feature="digital_voice_digiham"
 						    onclick="demodulator_analog_replace('ysf');">YSF</div>
-                        <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-packet"
-                             style="display:none;" data-feature="packet"
-                             onclick="demodulator_analog_replace('packet');">Packet</div>
                     </div>
                     <div class="openwebrx-panel-line">
                         <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dig" onclick="demodulator_digital_replace_last();">DIG</div>
@@ -88,6 +85,7 @@
                             <option value="jt65" data-feature="wsjt-x">JT65</option>
                             <option value="jt9" data-feature="wsjt-x">JT9</option>
                             <option value="ft4" data-feature="wsjt-x">FT4</option>
+                            <option value="packet" data-feature="packet">Packet</option>
                         </select>
                         <div id="openwebrx-secondary-demod-dial-button" class="openwebrx-button openwebrx-dial-button" onclick="dial_button_click();">
                             <svg version="1.1" id="Layer_1" x="0px" y="0px" width="246px" height="246px" viewBox="0 0 246 246" xmlns="http://www.w3.org/2000/svg">

htdocs/openwebrx.js

@@ -444,11 +444,6 @@ function demodulator_default_analog(offset_frequency,subtype)
     {
    		this.low_cut=-3250;
 		this.high_cut=3250;
-    }
-    else if(subtype=="packet")
-    {
-        this.low_cut=-4000;
-        this.high_cut=4000;
     }
 	else if(subtype=="am")
 	{
@@ -2748,6 +2743,11 @@ function demodulator_digital_replace(subtype)
         demodulator_analog_replace('usb', true);
         demodulator_buttons_update();
         break;
+    case "packet":
+        secondary_demod_start(subtype);
+        demodulator_analog_replace('nfm', true);
+        demodulator_buttons_update();
+        break;
     }
     $('#openwebrx-panel-digimodes').attr('data-mode', subtype);
     toggle_panel("openwebrx-panel-digimodes", true);
@@ -2848,19 +2848,20 @@ function secondary_demod_push_binary_data(x)
 
 function secondary_demod_push_data(x)
 {
-    x=Array.from(x).map((y)=>{
+    x=Array.from(x).filter((y) => {
         var c=y.charCodeAt(0);
-        if(y=="\r") return " ";
+        return (c == 10 || (c >= 32 && c <= 126));
-        if(y=="\n") return "&nbsp;";
+    }).map((y) => {
-        //if(y=="\n") return "<br />";
-        if(c<32||c>126) return "";
         if(y=="&") return "&amp;";
         if(y=="<") return "&lt;";
         if(y==">") return "&gt;";
         if(y==" ") return "&nbsp;";
         return y;
+    }).map((y) => {
+        if (y == "\n") return "<br />";
+        return "<span class=\"part\">"+y+"</span>";
     }).join("");
-    $("#openwebrx-cursor-blink").before("<span class=\"part\"><span class=\"subpart\">"+x+"</span></span>");
+    $("#openwebrx-cursor-blink").before(x);
 }
 
 function secondary_demod_data_clear()
@@ -2915,19 +2916,10 @@ function secondary_demod_listbox_changed()
 {
     if (secondary_demod_listbox_updating) return;
     var sdm = $("#openwebrx-secondary-demod-listbox")[0].value;
-    switch (sdm) {
+    if (sdm == "none") {
-        case "none":
+        demodulator_analog_replace_last();
-            demodulator_analog_replace_last();
+    } else {
-            break;
+        demodulator_digital_replace(sdm);
-        case "bpsk31":
-        case "rtty":
-        case "ft8":
-        case "wspr":
-        case "jt65":
-        case "jt9":
-        case "ft4":
-            demodulator_digital_replace(sdm);
-            break;
     }
     update_dial_button();
 }