Add checkbutton for disabling volume meters

Add a checkbutton for disabling volume meters because of high CPU
utilisation when updating them

src/mainwindow.cc

@@ -93,6 +93,7 @@ MainWindow::MainWindow(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>
     x->get_widget("sinkTypeComboBox", sinkTypeComboBox);
     x->get_widget("sourceTypeComboBox", sourceTypeComboBox);
     x->get_widget("notebook", notebook);
+    x->get_widget("showVolumeMetersCheckButton", showVolumeMetersCheckButton);
 
     cardsVBox->set_reallocate_redraws(true);
     sourcesVBox->set_reallocate_redraws(true);
@@ -109,6 +110,8 @@ MainWindow::MainWindow(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>
     sourceOutputTypeComboBox->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::onSourceOutputTypeComboBoxChanged));
     sinkTypeComboBox->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::onSinkTypeComboBoxChanged));
     sourceTypeComboBox->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::onSourceTypeComboBoxChanged));
+    showVolumeMetersCheckButton->signal_toggled().connect(sigc::mem_fun(*this, &MainWindow::onShowVolumeMetersCheckButtonToggled));
+
 
     GKeyFile* config = g_key_file_new();
     g_assert(config);
@@ -121,6 +124,13 @@ MainWindow::MainWindow(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>
         int width  = g_key_file_get_integer(config, "window", "width", NULL);
         int height = g_key_file_get_integer(config, "window", "height", NULL);
 
+        /* When upgrading from a previous version, set showVolumeMeters to TRUE
+         * (default from glade file), so users don't complain about missing
+         * volume meters. */
+        if (g_key_file_has_key(config, "window", "showVolumeMeters", NULL)) {
+            showVolumeMetersCheckButton->set_active(g_key_file_get_boolean(config, "window", "showVolumeMeters", NULL));
+        }
+
         int default_width, default_height;
         get_default_size(default_width, default_height);
         if (width >= default_width && height >= default_height)
@@ -238,6 +248,7 @@ MainWindow::~MainWindow() {
     g_key_file_set_integer(config, "window", "sourceOutputType", sourceOutputTypeComboBox->get_active_row_number());
     g_key_file_set_integer(config, "window", "sinkType", sinkTypeComboBox->get_active_row_number());
     g_key_file_set_integer(config, "window", "sourceType", sourceTypeComboBox->get_active_row_number());
+    g_key_file_set_integer(config, "window", "showVolumeMeters", showVolumeMetersCheckButton->get_active());
 
     gsize filelen;
     GError *err = NULL;
@@ -466,6 +477,7 @@ bool MainWindow::updateSink(const pa_sink_info &info) {
         is_new = true;
 
         w->setBaseVolume(info.base_volume);
+        w->setVolumeMeterVisible(showVolumeMetersCheckButton->get_active());
     }
 
     w->updating = true;
@@ -588,7 +600,8 @@ pa_stream* MainWindow::createMonitorStreamForSource(uint32_t source_idx, uint32_
     pa_stream_set_suspended_callback(s, suspended_callback, this);
 
     flags = (pa_stream_flags_t) (PA_STREAM_DONT_MOVE | PA_STREAM_PEAK_DETECT | PA_STREAM_ADJUST_LATENCY |
-                                 (suspend ? PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND : PA_STREAM_NOFLAGS));
+                                 (suspend ? PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND : PA_STREAM_NOFLAGS) |
+                                 (!showVolumeMetersCheckButton->get_active() ? PA_STREAM_START_CORKED : PA_STREAM_NOFLAGS));
 
     if (pa_stream_connect_record(s, t, &attr, flags) < 0) {
         show_error(_("Failed to connect monitoring stream"));
@@ -628,9 +641,10 @@ void MainWindow::updateSource(const pa_source_info &info) {
         is_new = true;
 
         w->setBaseVolume(info.base_volume);
+        w->setVolumeMeterVisible(showVolumeMetersCheckButton->get_active());
 
         if (pa_context_get_server_protocol_version(get_context()) >= 13)
-            createMonitorStreamForSource(info.index, -1, !!(info.flags & PA_SOURCE_NETWORK));
+            w->peak = createMonitorStreamForSource(info.index, -1, !!(info.flags & PA_SOURCE_NETWORK));
     }
 
     w->updating = true;
@@ -744,6 +758,7 @@ void MainWindow::updateSinkInput(const pa_sink_input_info &info) {
         w->index = info.index;
         w->clientIndex = info.client;
         is_new = true;
+        w->setVolumeMeterVisible(showVolumeMetersCheckButton->get_active());
 
         if (pa_context_get_server_protocol_version(get_context()) >= 13)
             createMonitorStreamForSinkInput(w, info.sink);
@@ -802,6 +817,7 @@ void MainWindow::updateSourceOutput(const pa_source_output_info &info) {
         w->index = info.index;
         w->clientIndex = info.client;
         is_new = true;
+        w->setVolumeMeterVisible(showVolumeMetersCheckButton->get_active());
     }
 
     w->updating = true;
@@ -1277,3 +1293,46 @@ void MainWindow::onSourceOutputTypeComboBoxChanged() {
 
     updateDeviceVisibility();
 }
+
+
+void MainWindow::onShowVolumeMetersCheckButtonToggled() {
+    bool state = showVolumeMetersCheckButton->get_active();
+    pa_operation *o;
+
+    for (std::map<uint32_t, SinkWidget*>::iterator it = sinkWidgets.begin() ; it != sinkWidgets.end(); it++) {
+        SinkWidget *sw = it->second;
+        if (sw->peak) {
+            o = pa_stream_cork(sw->peak, (int)!state, NULL, NULL);
+            if (o)
+                pa_operation_unref(o);
+        }
+        sw->setVolumeMeterVisible(state);
+    }
+    for (std::map<uint32_t, SourceWidget*>::iterator it = sourceWidgets.begin() ; it != sourceWidgets.end(); it++) {
+        SourceWidget *sw = it->second;
+        if (sw->peak) {
+            o = pa_stream_cork(sw->peak, (int)!state, NULL, NULL);
+            if (o)
+                pa_operation_unref(o);
+        }
+        sw->setVolumeMeterVisible(state);
+    }
+    for (std::map<uint32_t, SinkInputWidget*>::iterator it = sinkInputWidgets.begin() ; it != sinkInputWidgets.end(); it++) {
+        SinkInputWidget *sw = it->second;
+        if (sw->peak) {
+            o = pa_stream_cork(sw->peak, (int)!state, NULL, NULL);
+            if (o)
+                pa_operation_unref(o);
+        }
+        sw->setVolumeMeterVisible(state);
+    }
+    for (std::map<uint32_t, SourceOutputWidget*>::iterator it = sourceOutputWidgets.begin() ; it != sourceOutputWidgets.end(); it++) {
+        SourceOutputWidget *sw = it->second;
+        if (sw->peak) {
+            o = pa_stream_cork(sw->peak, (int)!state, NULL, NULL);
+            if (o)
+                pa_operation_unref(o);
+        }
+        sw->setVolumeMeterVisible(state);
+    }
+}

src/mainwindow.h

@@ -68,6 +68,7 @@ public:
     Gtk::VBox *streamsVBox, *recsVBox, *sinksVBox, *sourcesVBox, *cardsVBox;
     Gtk::Label *noStreamsLabel, *noRecsLabel, *noSinksLabel, *noSourcesLabel, *noCardsLabel, *connectingLabel;
     Gtk::ComboBox *sinkInputTypeComboBox, *sourceOutputTypeComboBox, *sinkTypeComboBox, *sourceTypeComboBox;
+    Gtk::CheckButton *showVolumeMetersCheckButton;
 
     std::map<uint32_t, CardWidget*> cardWidgets;
     std::map<uint32_t, SinkWidget*> sinkWidgets;
@@ -85,6 +86,7 @@ public:
     virtual void onSourceOutputTypeComboBoxChanged();
     virtual void onSinkTypeComboBoxChanged();
     virtual void onSourceTypeComboBoxChanged();
+    virtual void onShowVolumeMetersCheckButtonToggled();
 
     void setConnectionState(gboolean connected);
     void updateDeviceVisibility();

src/minimalstreamwidget.cc

@@ -29,8 +29,10 @@ MinimalStreamWidget::MinimalStreamWidget(BaseObjectType* cobject, const Glib::Re
     Gtk::VBox(cobject),
     peakProgressBar(),
     lastPeak(0),
+    peak(NULL),
     updating(false),
-    volumeMeterEnabled(false) {
+    volumeMeterEnabled(false),
+    volumeMeterVisible(true) {
 
     x->get_widget("channelsVBox", channelsVBox);
     x->get_widget("nameLabel", nameLabel);
@@ -69,6 +71,18 @@ void MinimalStreamWidget::enableVolumeMeter() {
         return;
 
     volumeMeterEnabled = true;
+    if (volumeMeterVisible) {
         peakProgressBar.show();
+    }
 }
 
+void MinimalStreamWidget::setVolumeMeterVisible(bool v) {
+    volumeMeterVisible = v;
+    if (v) {
+        if (volumeMeterEnabled) {
+            peakProgressBar.show();
+        }
+    } else {
+        peakProgressBar.hide();
+    }
+}

src/minimalstreamwidget.h

@@ -32,6 +32,7 @@ public:
     Gtk::Image *iconImage;
     Gtk::ProgressBar peakProgressBar;
     double lastPeak;
+    pa_stream *peak;
 
     bool updating;
 
@@ -42,6 +43,11 @@ public:
     bool volumeMeterEnabled;
     void enableVolumeMeter();
     void updatePeak(double v);
+    void setVolumeMeterVisible(bool v);
+
+private :
+    bool volumeMeterVisible;
+
 };
 
 #endif

src/pavucontrol.glade

@@ -7,6 +7,66 @@
     <property name="value">44.2408370972</property>
     <property name="step_increment">5</property>
   </object>
+  <object class="GtkWindow" id="channelWindow">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="title" translatable="yes">window2</property>
+    <child>
+      <object class="GtkHBox" id="channelWidget">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="spacing">6</property>
+        <child>
+          <object class="GtkLabel" id="channelLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">&lt;b&gt;left-front&lt;/b&gt;</property>
+            <property name="use_markup">True</property>
+            <property name="width_chars">15</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkHScale" id="volumeScale">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="adjustment">adjustment1</property>
+            <property name="digits">0</property>
+            <property name="draw_value">False</property>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="volumeLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="xpad">8</property>
+            <property name="label" translatable="yes">&lt;small&gt;50%&lt;/small&gt;</property>
+            <property name="use_markup">True</property>
+            <property name="justify">right</property>
+            <property name="width_chars">9</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
   <object class="GtkWindow" id="cardWindow">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -137,66 +197,6 @@
       </object>
     </child>
   </object>
-  <object class="GtkWindow" id="channelWindow">
-    <property name="visible">True</property>
-    <property name="can_focus">False</property>
-    <property name="title" translatable="yes">window2</property>
-    <child>
-      <object class="GtkHBox" id="channelWidget">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="spacing">6</property>
-        <child>
-          <object class="GtkLabel" id="channelLabel">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="xalign">0</property>
-            <property name="yalign">0</property>
-            <property name="label" translatable="yes">&lt;b&gt;left-front&lt;/b&gt;</property>
-            <property name="use_markup">True</property>
-            <property name="width_chars">15</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkHScale" id="volumeScale">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="adjustment">adjustment1</property>
-            <property name="digits">0</property>
-            <property name="draw_value">False</property>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkLabel" id="volumeLabel">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="xalign">1</property>
-            <property name="yalign">0</property>
-            <property name="xpad">8</property>
-            <property name="label" translatable="yes">&lt;small&gt;50%&lt;/small&gt;</property>
-            <property name="use_markup">True</property>
-            <property name="justify">right</property>
-            <property name="width_chars">9</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="position">2</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-  </object>
   <object class="GtkWindow" id="deviceWindow">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -278,7 +278,6 @@
                         <property name="spacing">3</property>
                         <child>
                           <object class="GtkToggleButton" id="muteToggleButton">
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>
@@ -301,7 +300,6 @@
                         </child>
                         <child>
                           <object class="GtkToggleButton" id="lockToggleButton">
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>
@@ -325,7 +323,6 @@
                         </child>
                         <child>
                           <object class="GtkToggleButton" id="defaultToggleButton">
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>
@@ -430,7 +427,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatPCM">
                                 <property name="label" translatable="yes">PCM</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="sensitive">False</property>
                                 <property name="can_focus">True</property>
@@ -442,7 +438,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatAC3">
                                 <property name="label" translatable="yes">AC3</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
@@ -456,7 +451,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatDTS">
                                 <property name="label" translatable="yes">DTS</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
@@ -470,7 +464,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatEAC3">
                                 <property name="label" translatable="yes">EAC3</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
@@ -484,7 +477,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatMPEG">
                                 <property name="label" translatable="yes">MPEG</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
@@ -500,7 +492,6 @@
                             <child>
                               <object class="GtkCheckButton" id="encodingFormatAAC">
                                 <property name="label" translatable="yes">AAC</property>
-                                <property name="use_action_appearance">False</property>
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="receives_default">False</property>
@@ -1192,6 +1183,10 @@
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="shadow_type">none</property>
+                        <child>
+                          <object class="GtkVBox" id="vbox3">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
                             <child>
                               <object class="GtkVBox" id="cardsVBox">
                                 <property name="visible">True</property>
@@ -1213,6 +1208,50 @@
                                   </packing>
                                 </child>
                               </object>
+                              <packing>
+                                <property name="expand">True</property>
+                                <property name="fill">True</property>
+                                <property name="position">0</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <object class="GtkVBox" id="vbox4">
+                                <property name="visible">True</property>
+                                <property name="can_focus">False</property>
+                                <child>
+                                  <object class="GtkHSeparator" id="hseparator1">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                  </object>
+                                  <packing>
+                                    <property name="expand">False</property>
+                                    <property name="fill">True</property>
+                                    <property name="position">0</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <object class="GtkCheckButton" id="showVolumeMetersCheckButton">
+                                    <property name="label" translatable="yes">Show volume meters</property>
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="receives_default">False</property>
+                                    <property name="active">True</property>
+                                    <property name="draw_indicator">True</property>
+                                  </object>
+                                  <packing>
+                                    <property name="expand">True</property>
+                                    <property name="fill">True</property>
+                                    <property name="position">1</property>
+                                  </packing>
+                                </child>
+                              </object>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">True</property>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
+                          </object>
                         </child>
                       </object>
                     </child>
@@ -1411,7 +1450,6 @@
                         <child>
                           <object class="GtkButton" id="deviceButton">
                             <property name="label" translatable="yes">Device</property>
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">True</property>
@@ -1439,7 +1477,6 @@
                         <property name="spacing">3</property>
                         <child>
                           <object class="GtkToggleButton" id="muteToggleButton">
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>
@@ -1462,7 +1499,6 @@
                         </child>
                         <child>
                           <object class="GtkToggleButton" id="lockToggleButton">
-                            <property name="use_action_appearance">False</property>
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="receives_default">False</property>

src/streamwidget.cc

@@ -31,7 +31,6 @@
 /*** StreamWidget ***/
 StreamWidget::StreamWidget(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& x) :
     MinimalStreamWidget(cobject, x),
-    peak(NULL),
     mpMainWindow(NULL) {
 
     x->get_widget("lockToggleButton", lockToggleButton);

src/streamwidget.h

@@ -45,7 +45,6 @@ public:
 
     pa_channel_map channelMap;
     pa_cvolume volume;
-    pa_stream *peak;
 
     ChannelWidget *channelWidgets[PA_CHANNELS_MAX];