implement dmr timeslot muting

csdr.py

@@ -67,7 +67,8 @@ class dsp(object):
         self.secondary_fft_size = 1024
         self.secondary_process_fft = None
         self.secondary_process_demod = None
-        self.pipe_names=["bpf_pipe", "shift_pipe", "squelch_pipe", "smeter_pipe", "meta_pipe", "iqtee_pipe", "iqtee2_pipe"]
+        self.pipe_names=["bpf_pipe", "shift_pipe", "squelch_pipe", "smeter_pipe", "meta_pipe", "iqtee_pipe",
+                         "iqtee2_pipe", "dmr_control_pipe"]
         self.secondary_pipe_names=["secondary_shift_pipe"]
         self.secondary_offset_freq = 1000
         self.unvoiced_quality = 1
@@ -113,7 +114,7 @@ class dsp(object):
             else:
                 chain += "rrc_filter | gfsk_demodulator | "
                 if which == "dmr":
-                    chain += "dmr_decoder --fifo {meta_pipe} | mbe_synthesizer -f -u {unvoiced_quality} | "
+                    chain += "dmr_decoder --fifo {meta_pipe} --control-fifo {dmr_control_pipe} | mbe_synthesizer -f -u {unvoiced_quality} | "
                 elif which == "ysf":
                     chain += "ysf_decoder --fifo {meta_pipe} | mbe_synthesizer -y -f -u {unvoiced_quality} | "
                 max_gain = 0.0005
@@ -363,6 +364,11 @@ class dsp(object):
     def get_unvoiced_quality(self):
         return self.unvoiced_quality
 
+    def set_dmr_filter(self, filter):
+        if self.dmr_control_pipe_file:
+            self.dmr_control_pipe_file.write("{0}\n".format(filter))
+            self.dmr_control_pipe_file.flush()
+
     def mkfifo(self,path):
         try:
             os.unlink(path)
@@ -410,7 +416,7 @@ class dsp(object):
             flowcontrol=int(self.samp_rate*2), start_bufsize=self.base_bufsize*self.decimation, nc_port=self.nc_port,
             squelch_pipe=self.squelch_pipe, smeter_pipe=self.smeter_pipe, meta_pipe=self.meta_pipe, iqtee_pipe=self.iqtee_pipe, iqtee2_pipe=self.iqtee2_pipe,
             output_rate = self.get_output_rate(), smeter_report_every = int(self.if_samp_rate()/6000),
-            unvoiced_quality = self.get_unvoiced_quality())
+            unvoiced_quality = self.get_unvoiced_quality(), dmr_control_pipe = self.dmr_control_pipe)
 
         logger.debug("[openwebrx-dsp-plugin:csdr] Command = %s", command)
         my_env=os.environ.copy()
@@ -430,13 +436,12 @@ class dsp(object):
         self.output.add_output("audio", partial(self.process.stdout.read, int(self.get_fft_bytes_to_read()) if self.demodulator == "fft" else 256))
 
         # open control pipes for csdr
-        if self.bpf_pipe != None:
+        if self.bpf_pipe:
             self.bpf_pipe_file = open(self.bpf_pipe, "w")
         if self.shift_pipe:
             self.shift_pipe_file = open(self.shift_pipe, "w")
         if self.squelch_pipe:
             self.squelch_pipe_file = open(self.squelch_pipe, "w")
-
         self.start_secondary_demodulator()
 
         self.modification_lock.release()
@@ -468,6 +473,9 @@ class dsp(object):
                     return raw.rstrip("\n")
             self.output.add_output("meta", read_meta)
 
+        if self.dmr_control_pipe:
+            self.dmr_control_pipe_file = open(self.dmr_control_pipe, "w")
+
     def stop(self):
         self.modification_lock.acquire()
         self.running = False

htdocs/openwebrx.css

@@ -937,11 +937,32 @@ img.openwebrx-mirror-img
     background-color: #676767;
     padding: 2px 0;
     color: #333;
+
+    text-align: center;
+    position: relative;
+}
+
+.openwebrx-meta-slot, .openwebrx-meta-slot.muted:before {
     -webkit-border-radius: 5px;
     -moz-border-radius: 5px;
     border-radius: 5px;
+}
 
-    text-align: center;
+.openwebrx-meta-slot.muted:before {
+    display: block;
+    content: "";
+    background-image: url("gfx/openwebrx-mute.png");
+    width:100%;
+    height:133px;
+    background-position: center;
+    background-repeat: no-repeat;
+
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    background-color: rgba(0,0,0,.3);
 }
 
 .openwebrx-meta-slot.active {
@@ -977,3 +998,7 @@ img.openwebrx-mirror-img
 .openwebrx-meta-slot.active .openwebrx-meta-user-image.group {
     background-image: url("gfx/openwebrx-groupcall.png");
 }
+
+.openwebrx-dmr-timeslot-panel * {
+    cursor: pointer;
+}

htdocs/openwebrx.js

@@ -619,7 +619,7 @@ function demodulator_analog_replace(subtype, for_digital)
 	}
 	demodulator_add(new demodulator_default_analog(temp_offset,subtype));
 	demodulator_buttons_update();
-	clear_metadata();
+	hide_digitalvoice_panels();
     toggle_panel("openwebrx-panel-metadata-" + subtype, true);
 }
 
@@ -1338,8 +1338,7 @@ function update_metadata(meta) {
                 $(el).find(".openwebrx-dmr-target").text(target);
                 $(el).find(".openwebrx-meta-user-image")[group ? "addClass" : "removeClass"]("group");
             } else {
-                $(".openwebrx-meta-panel .openwebrx-meta-autoclear").text("");
-                $(".openwebrx-meta-panel").removeClass("active").removeClass("sync");
+                clear_metadata();
             }
             break;
         case 'YSF':
@@ -1365,17 +1364,22 @@ function update_metadata(meta) {
 
             break;
     } else {
-        $(".openwebrx-meta-panel .openwebrx-meta-autoclear").text("");
-        $(".openwebrx-meta-panel").removeClass("active").removeClass("sync");
+        clear_metadata();
     }
 
 }
 
-function clear_metadata() {
+function hide_digitalvoice_panels() {
     $(".openwebrx-meta-panel").each(function(_, p){
         toggle_panel(p.id, false);
     });
-    update_metadata({});
+    clear_metadata();
+}
+
+function clear_metadata() {
+    $(".openwebrx-meta-panel .openwebrx-meta-autoclear").text("");
+    $(".openwebrx-meta-slot").removeClass("active").removeClass("sync");
+    $(".openwebrx-dmr-timeslot-panel").removeClass("muted");
 }
 
 function add_problem(what)
@@ -2327,7 +2331,7 @@ function openwebrx_init()
 	init_rx_photo();
 	open_websocket();
     secondary_demod_init();
-    clear_metadata();
+    digimodes_init();
 	place_panels(first_show_panel);
 	window.setTimeout(function(){window.setInterval(debug_audio,1000);},1000);
 	window.addEventListener("resize",openwebrx_resize);
@@ -2338,6 +2342,25 @@ function openwebrx_init()
 
 }
 
+function digimodes_init() {
+    hide_digitalvoice_panels();
+
+    // initialze DMR timeslot muting
+    $('.openwebrx-dmr-timeslot-panel').click(function(e) {
+        $(e.currentTarget).toggleClass("muted");
+        update_dmr_timeslot_filtering();
+    });
+}
+
+function update_dmr_timeslot_filtering() {
+    var filter = $('.openwebrx-dmr-timeslot-panel').map(function(index, el){
+        return (!$(el).hasClass("muted")) << index;
+    }).toArray().reduce(function(acc, v){
+        return acc | v;
+    }, 0);
+    webrx_set_param("dmr_filter", filter);
+}
+
 function iosPlayButtonClick()
 {
 	//On iOS, we can only start audio from a click or touch event.