Port applet to libmatemixer

8 files changed, 323 insertions, 381 deletions

diff --git a/configure.ac b/configure.ac
index dc56d33..588b06d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,7 @@ if test "x$enable_pulseaudio" != "xno"; then
             unique-$UNIQUE_API_VERSION
             libxml-2.0
             mate-desktop-2.0 >= $MATE_DESKTOP_REQUIRED_VERSION
+            libmatemixer
     )
 
     AC_SUBST(VOLUME_CONTROL_CFLAGS)
diff --git a/mate-volume-control/src/applet-main.c b/mate-volume-control/src/applet-main.c
index f6bc9f5..767d2e1 100644
--- a/mate-volume-control/src/applet-main.c
+++ b/mate-volume-control/src/applet-main.c
@@ -20,83 +20,68 @@
 
 #include "config.h"
 
-#include <libintl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
 #include <glib/gi18n.h>
 #include <glib.h>
 #include <gtk/gtk.h>
+
+#include <libintl.h>
 #include <unique/uniqueapp.h>
+#include <libmatemixer/matemixer.h>
 
 #include "gvc-applet.h"
-#include "gvc-log.h"
-
-#define GVCA_DBUS_NAME "org.mate.VolumeControlApplet"
 
 static gboolean show_version = FALSE;
-static gboolean debug = FALSE;
 
 int
 main (int argc, char **argv)
 {
-        GError             *error;
-        GvcApplet          *applet;
-        UniqueApp          *app = NULL;
-        static GOptionEntry entries[] = {
-                { "debug", 0, 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging code"), NULL },
-                { "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL },
-                { NULL, 0, 0, 0, NULL, NULL, NULL }
+        GError       *error = NULL;
+        GvcApplet    *applet;
+        UniqueApp    *app = NULL;
+        GOptionEntry entries[] = {
+                { "version", 'v', 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL },
+                { NULL }
         };
 
         bindtextdomain (GETTEXT_PACKAGE, LOCALE_DIR);
         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
         textdomain (GETTEXT_PACKAGE);
 
-        gvc_log_init ();
-
-        error = NULL;
         gtk_init_with_args (&argc, &argv,
                             (char *) _(" — MATE Volume Control Applet"),
                             entries, GETTEXT_PACKAGE,
                             &error);
-
         if (error != NULL) {
                 g_warning ("%s", error->message);
-                exit (1);
+                return 1;
         }
-
         if (show_version) {
-                g_print ("%s %s\n", argv [0], VERSION);
-                exit (1);
+                g_print ("%s %s\n", argv[0], VERSION);
+                return 0;
         }
 
-        gvc_log_set_debug (debug);
+        app = unique_app_new (GVC_APPLET_DBUS_NAME, NULL);
 
-        if (debug == FALSE) {
-                app = unique_app_new (GVCA_DBUS_NAME, NULL);
-                if (unique_app_is_running (app)) {
-                        g_warning ("Applet is already running, exiting");
-                        return 0;
-                }
+        if (unique_app_is_running (app)) {
+                g_warning ("Applet is already running, exiting");
+                return 0;
+        }
+        if (!mate_mixer_init ()) {
+                g_warning ("libmatemixer initialization failed, exiting");
+                return 1;
         }
 
         gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
                                            ICON_DATA_DIR);
 
         applet = gvc_applet_new ();
-        gvc_applet_start (applet);
 
+        gvc_applet_start (applet);
         gtk_main ();
 
-        if (applet != NULL) {
-                g_object_unref (applet);
-        }
-        if (app != NULL) {
-                g_object_unref (app);
-        }
+        g_object_unref (applet);
+        g_object_unref (app);
+        mate_mixer_deinit ();
 
         return 0;
 }
diff --git a/mate-volume-control/src/dialog-main.c b/mate-volume-control/src/dialog-main.c
index 985e58d..929ed0c 100644
--- a/mate-volume-control/src/dialog-main.c
+++ b/mate-volume-control/src/dialog-main.c
@@ -20,25 +20,19 @@
 
 #include "config.h"
 
-#include <libintl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
 #include <glib/gi18n.h>
 #include <glib.h>
 #include <gtk/gtk.h>
+
+#include <libintl.h>
 #include <unique/uniqueapp.h>
+#include <libmatemixer/matemixer.h>
 
 #include "gvc-mixer-dialog.h"
-#include "gvc-log.h"
 
-#define GVCA_DBUS_NAME "org.mate.VolumeControl"
 #define DIALOG_POPUP_TIMEOUT 3
 
 static gboolean show_version = FALSE;
-static gboolean debug = FALSE;
 static gchar* page = NULL;
 
 static guint popup_id = 0;
@@ -147,43 +141,37 @@ on_control_connecting (GvcMixerControl *control,
 int
 main (int argc, char **argv)
 {
-        GError             *error;
-        GvcMixerControl    *control;
-        UniqueApp          *app;
-        static GOptionEntry entries[] = {
-                { "page", 'p', 0, G_OPTION_ARG_STRING, &page, N_("Startup page"), "effects|hardware|input|output|applications" },
-                { "debug", 0, 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging code"), NULL },
-                { "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application"), NULL },
-                { NULL, 0, 0, 0, NULL, NULL, NULL }
+        GError          *error = NULL;
+        GvcMixerControl *control;
+        UniqueApp       *app;
+        GOptionEntry     entries[] = {
+                { "page",    'p', 0, G_OPTION_ARG_STRING, &page, N_("Startup page"), "effects|hardware|input|output|applications" },
+                { "version", 'v', 0, G_OPTION_ARG_NONE,   &show_version, N_("Version of this application"), NULL },
+                { NULL }
         };
 
         bindtextdomain (GETTEXT_PACKAGE, LOCALE_DIR);
         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
         textdomain (GETTEXT_PACKAGE);
 
-	gvc_log_init ();
-
-        error = NULL;
         gtk_init_with_args (&argc, &argv,
                             (char *) _(" — MATE Volume Control"),
                             entries, GETTEXT_PACKAGE,
                             &error);
         if (error != NULL) {
                 g_warning ("%s", error->message);
-                exit (1);
+                return 1;
         }
-
         if (show_version) {
-                g_print ("%s %s\n", argv [0], VERSION);
-                exit (1);
+                g_print ("%s %s\n", argv[0], VERSION);
+                return 0;
         }
 
-	gvc_log_set_debug (debug);
+        app = unique_app_new (GVC_DIALOG_DBUS_NAME, NULL);
 
-        app = unique_app_new (GVCA_DBUS_NAME, NULL);
         if (unique_app_is_running (app)) {
                 unique_app_send_message (app, UNIQUE_ACTIVATE, NULL);
-                exit (0);
+                return 0;
         }
 
         gtk_icon_theme_append_search_path (gtk_icon_theme_get_default (),
@@ -199,13 +187,11 @@ main (int argc, char **argv)
                           "ready",
                           G_CALLBACK (on_control_ready),
                           app);
-        gvc_mixer_control_open (control);
 
+        gvc_mixer_control_open (control);
         gtk_main ();
 
-        if (control != NULL) {
-                g_object_unref (control);
-        }
+        g_object_unref (control);
 
         return 0;
 }
diff --git a/mate-volume-control/src/gvc-applet.c b/mate-volume-control/src/gvc-applet.c
index b2807f1..4522a8f 100644
--- a/mate-volume-control/src/gvc-applet.c
+++ b/mate-volume-control/src/gvc-applet.c
@@ -18,28 +18,25 @@
  *
  */
 
-#include "config.h"
+// XXX there are some bugs unrelated to the port, let's see if I can fix them:
+// - clicking in the slider makes it disappear
+// - drag all the way down to mute, then start dragging up and the change won't
+//   be reflected until i stop dragging
+// - disable the slider if the volume is not changable
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
+#include "config.h"
 
 #include <glib.h>
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
+#include <libmatemixer/matemixer.h>
 
 #include "gvc-applet.h"
-#include "gvc-mixer-control.h"
 #include "gvc-stream-status-icon.h"
 
 #define GVC_APPLET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_APPLET, GvcAppletPrivate))
 
-#define SCALE_SIZE 128
-
-static const char *output_icon_names[] = {
+static const gchar *icon_names_output[] = {
         "audio-volume-muted",
         "audio-volume-low",
         "audio-volume-medium",
@@ -47,7 +44,7 @@ static const char *output_icon_names[] = {
         NULL
 };
 
-static const char *input_icon_names[] = {
+static const gchar *icon_names_input[] = {
         "audio-input-microphone-muted",
         "audio-input-microphone-low",
         "audio-input-microphone-medium",
@@ -55,211 +52,182 @@ static const char *input_icon_names[] = {
         NULL
 };
 
-struct GvcAppletPrivate
+struct _GvcAppletPrivate
 {
-        GvcStreamStatusIcon *input_status_icon;
-        GvcStreamStatusIcon *output_status_icon;
-        GvcMixerControl     *control;
+        GvcStreamStatusIcon *icon_input;
+        GvcStreamStatusIcon *icon_output;
+        gboolean             running;
+        MateMixerControl    *control;
 };
 
-static void     gvc_applet_class_init (GvcAppletClass *klass);
-static void     gvc_applet_init       (GvcApplet      *applet);
-static void     gvc_applet_finalize   (GObject        *object);
+static void gvc_applet_class_init (GvcAppletClass *klass);
+static void gvc_applet_init       (GvcApplet      *applet);
 
 G_DEFINE_TYPE (GvcApplet, gvc_applet, G_TYPE_OBJECT)
 
 static void
-maybe_show_status_icons (GvcApplet *applet)
+update_icon_input (GvcApplet *applet)
 {
-        gboolean        show;
-        GvcMixerStream *stream;
-        GSList         *source_outputs, *l;
-
-        show = TRUE;
-        stream = gvc_mixer_control_get_default_sink (applet->priv->control);
-        if (stream == NULL) {
-                show = FALSE;
-        }
-        gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->output_status_icon), show);
-
-
-        show = FALSE;
-        stream = gvc_mixer_control_get_default_source (applet->priv->control);
-        source_outputs = gvc_mixer_control_get_source_outputs (applet->priv->control);
-        if (stream != NULL && source_outputs != NULL) {
-                /* Check that we're not trying to add the peak detector
-                 * as an application doing recording */
-                for (l = source_outputs ; l ; l = l->next) {
-                        GvcMixerStream *s = l->data;
-                        const char *id;
-
-                        id = gvc_mixer_stream_get_application_id (s);
-                        if (id == NULL) {
-                                show = TRUE;
-                                break;
-                        }
+        MateMixerStream *stream;
+        gboolean         show = FALSE;
 
-                        if (!g_str_equal (id, "org.mate.VolumeControl") &&
-                            !g_str_equal (id, "org.PulseAudio.pavucontrol")) {
-                                show = TRUE;
-                                break;
+        /* Enable the input icon in case there is an input stream present and there
+         * is a non-mixer application using the input */
+        stream = mate_mixer_control_get_default_input_stream (applet->priv->control);
+        if (stream != NULL) {
+                const gchar *app;
+                const GList *inputs =
+                        mate_mixer_control_list_streams (applet->priv->control);
+
+                while (inputs) {
+                        MateMixerStream *input = MATE_MIXER_STREAM (inputs->data);
+                        MateMixerStreamFlags flags = mate_mixer_stream_get_flags (input);
+
+                        if (flags & MATE_MIXER_STREAM_INPUT &&
+                            flags & MATE_MIXER_STREAM_APPLICATION) {
+                                MateMixerClientStream *client =
+                                        MATE_MIXER_CLIENT_STREAM (input);
+
+                                app = mate_mixer_client_stream_get_app_id (client);
+                                if (app == NULL) {
+                                        /* A recording application which has no
+                                         * identifier set */
+                                        show = TRUE;
+                                        break;
+                                }
+
+                                if (!g_str_equal (app, "org.mate.VolumeControl") &&
+                                    !g_str_equal (app, "org.gnome.VolumeControl") &&
+                                    !g_str_equal (app, "org.PulseAudio.pavucontrol")) {
+                                        show = TRUE;
+                                        break;
+                                }
                         }
+                        inputs = inputs->next;
                 }
         }
-        gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->input_status_icon), show);
 
-        g_slist_free (source_outputs);
-}
+        gvc_stream_status_icon_set_mixer_stream (applet->priv->icon_input, stream);
 
-void
-gvc_applet_start (GvcApplet *applet)
-{
-        g_return_if_fail (GVC_IS_APPLET (applet));
-
-        maybe_show_status_icons (applet);
+        gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->icon_input), show);
 }
 
 static void
-gvc_applet_dispose (GObject *object)
+update_icon_output (GvcApplet *applet)
 {
-        GvcApplet *applet = GVC_APPLET (object);
+        MateMixerStream *stream;
 
-        if (applet->priv->control != NULL) {
-                g_object_unref (applet->priv->control);
-                applet->priv->control = NULL;
-        }
+        stream = mate_mixer_control_get_default_output_stream (applet->priv->control);
 
-        G_OBJECT_CLASS (gvc_applet_parent_class)->dispose (object);
+        gvc_stream_status_icon_set_mixer_stream (applet->priv->icon_output, stream);
+
+        /* Enable the output icon in case there is an output stream present */
+        gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->icon_output),
+                                     (stream != NULL) ? TRUE : FALSE);
 }
 
-static void
-update_default_source (GvcApplet *applet)
+void
+gvc_applet_start (GvcApplet *applet)
 {
-        GvcMixerStream *stream;
+        g_return_if_fail (GVC_IS_APPLET (applet));
 
-        stream = gvc_mixer_control_get_default_source (applet->priv->control);
-        if (stream != NULL) {
-                gvc_stream_status_icon_set_mixer_stream (applet->priv->input_status_icon,
-                                                         stream);
-                maybe_show_status_icons(applet);
-        } else {
-                g_debug ("Unable to get default source, or no source available");
-        }
-}
+        if (G_UNLIKELY (applet->priv->running))
+                return;
 
-static void
-update_default_sink (GvcApplet *applet)
-{
-        GvcMixerStream *stream;
+        if (mate_mixer_control_open (applet->priv->control) == FALSE) {
+                /* Normally this should never happen, in the worst case we
+                 * should end up with the Null module */
+                g_warning ("Failed to connect to a sound system");
 
-        stream = gvc_mixer_control_get_default_sink (applet->priv->control);
-        if (stream != NULL) {
-                gvc_stream_status_icon_set_mixer_stream (applet->priv->output_status_icon,
-                                                         stream);
-                maybe_show_status_icons(applet);
-        } else {
-                g_warning ("Unable to get default sink");
+                gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->icon_output),
+                                             FALSE);
+                gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->icon_input),
+                                             FALSE);
         }
-}
 
-static void
-on_control_ready (GvcMixerControl *control,
-                  GvcApplet       *applet)
-{
-        update_default_sink (applet);
-        update_default_source (applet);
+        applet->priv->running = TRUE;
 }
 
 static void
-on_control_connecting (GvcMixerControl *control,
-                       GvcApplet       *applet)
+on_control_state_notify (MateMixerControl *control,
+                         GParamSpec       *pspec,
+                         GvcApplet        *applet)
 {
-        g_debug ("Connecting..");
+        MateMixerState state = mate_mixer_control_get_state (control);
+
+        if (state == MATE_MIXER_STATE_FAILED)
+                g_warning ("Failed to connect to a sound system");
+
+        /* Each status change may affect the visibility of the icons */
+        update_icon_output (applet);
+        update_icon_input (applet);
 }
 
 static void
-on_control_default_sink_changed (GvcMixerControl *control,
-                                 guint            id,
-                                 GvcApplet       *applet)
+on_control_default_input_notify (MateMixerControl *control,
+                                 GParamSpec       *pspec,
+                                 GvcApplet        *applet)
 {
-        update_default_sink (applet);
+        update_icon_input (applet);
 }
 
 static void
-on_control_default_source_changed (GvcMixerControl *control,
-                                   guint            id,
-                                   GvcApplet       *applet)
+on_control_default_output_notify (MateMixerControl *control,
+                                  GParamSpec       *pspec,
+                                  GvcApplet        *applet)
 {
-        update_default_source (applet);
+        update_icon_output (applet);
 }
 
 static void
-on_control_stream_removed (GvcMixerControl *control,
-                           guint            id,
-                           GvcApplet       *applet)
+on_control_stream_added (MateMixerControl *control,
+                         const gchar      *name,
+                         GvcApplet        *applet)
 {
-        maybe_show_status_icons (applet);
+        MateMixerStream      *stream;
+        MateMixerStreamFlags  flags;
+
+        stream = mate_mixer_control_get_stream (control, name);
+        if (G_UNLIKELY (stream == NULL))
+                return;
+
+        flags = mate_mixer_stream_get_flags (stream);
+
+        /* Newly added input application stream may cause the input status
+         * icon to change visibility */
+        if (flags & MATE_MIXER_STREAM_INPUT &&
+            flags & MATE_MIXER_STREAM_APPLICATION)
+                update_icon_input (applet);
 }
 
 static void
-on_control_stream_added (GvcMixerControl *control,
-                         guint            id,
-                         GvcApplet       *applet)
+on_control_stream_removed (MateMixerControl *control,
+                           const gchar      *name,
+                           GvcApplet        *applet)
 {
-        maybe_show_status_icons (applet);
+        /* The removed stream could be an application input, which may cause
+         * the input status icon to disappear */
+        update_icon_input (applet);
 }
 
-static GObject *
-gvc_applet_constructor (GType                  type,
-                        guint                  n_construct_properties,
-                        GObjectConstructParam *construct_params)
+static void
+gvc_applet_dispose (GObject *object)
 {
-        GObject   *object;
-        GvcApplet *self;
-
-        object = G_OBJECT_CLASS (gvc_applet_parent_class)->constructor (type, n_construct_properties, construct_params);
-
-        self = GVC_APPLET (object);
-
-        self->priv->control = gvc_mixer_control_new ("MATE Volume Control Applet");
-        g_signal_connect (self->priv->control,
-                          "ready",
-                          G_CALLBACK (on_control_ready),
-                          self);
-        g_signal_connect (self->priv->control,
-                          "connecting",
-                          G_CALLBACK (on_control_connecting),
-                          self);
-        g_signal_connect (self->priv->control,
-                          "default-sink-changed",
-                          G_CALLBACK (on_control_default_sink_changed),
-                          self);
-        g_signal_connect (self->priv->control,
-                          "default-source-changed",
-                          G_CALLBACK (on_control_default_source_changed),
-                          self);
-        g_signal_connect (self->priv->control,
-                          "stream-added",
-                          G_CALLBACK (on_control_stream_added),
-                          self);
-        g_signal_connect (self->priv->control,
-                          "stream-removed",
-                          G_CALLBACK (on_control_stream_removed),
-                          self);
+        GvcApplet *applet = GVC_APPLET (object);
 
-        gvc_mixer_control_open (self->priv->control);
+        g_clear_object (&applet->priv->control);
+        g_clear_object (&applet->priv->icon_input);
+        g_clear_object (&applet->priv->icon_output);
 
-        return object;
+        G_OBJECT_CLASS (gvc_applet_parent_class)->dispose (object);
 }
 
 static void
 gvc_applet_class_init (GvcAppletClass *klass)
 {
-        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+        GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
-        object_class->finalize = gvc_applet_finalize;
         object_class->dispose = gvc_applet_dispose;
-        object_class->constructor = gvc_applet_constructor;
 
         g_type_class_add_private (klass, sizeof (GvcAppletPrivate));
 }
@@ -269,42 +237,50 @@ gvc_applet_init (GvcApplet *applet)
 {
         applet->priv = GVC_APPLET_GET_PRIVATE (applet);
 
-        applet->priv->output_status_icon = gvc_stream_status_icon_new (NULL,
-                                                                       output_icon_names);
-        gvc_stream_status_icon_set_display_name (applet->priv->output_status_icon,
-                                                 _("Output"));
-        gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->output_status_icon),
-                                   _("Sound Output Volume"));
-        applet->priv->input_status_icon = gvc_stream_status_icon_new (NULL,
-                                                                      input_icon_names);
-        gvc_stream_status_icon_set_display_name (applet->priv->input_status_icon,
-                                                 _("Input"));
-        gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->input_status_icon),
-                                   _("Microphone Volume"));
-}
-
-static void
-gvc_applet_finalize (GObject *object)
-{
-        GvcApplet *applet;
+        applet->priv->icon_input  = gvc_stream_status_icon_new (NULL, icon_names_input);
+        applet->priv->icon_output = gvc_stream_status_icon_new (NULL, icon_names_output);
 
-        g_return_if_fail (object != NULL);
-        g_return_if_fail (GVC_IS_APPLET (object));
-
-        applet = GVC_APPLET (object);
-
-        g_return_if_fail (applet->priv != NULL);
+        gvc_stream_status_icon_set_display_name (applet->priv->icon_input,  _("Input"));
+        gvc_stream_status_icon_set_display_name (applet->priv->icon_output, _("Output"));
 
+        gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->icon_input),
+                                   _("Microphone Volume"));
+        gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->icon_output),
+                                   _("Sound Output Volume"));
 
-        G_OBJECT_CLASS (gvc_applet_parent_class)->finalize (object);
+        applet->priv->control = mate_mixer_control_new ();
+
+        mate_mixer_control_set_app_name (applet->priv->control,
+                                         _("MATE Volume Control Applet"));
+
+        mate_mixer_control_set_app_id (applet->priv->control, GVC_APPLET_DBUS_NAME);
+        mate_mixer_control_set_app_version (applet->priv->control, VERSION);
+        mate_mixer_control_set_app_icon (applet->priv->control, "multimedia-volume-control");
+
+        g_signal_connect (applet->priv->control,
+                          "notify::state",
+                          G_CALLBACK (on_control_state_notify),
+                          applet);
+        g_signal_connect (applet->priv->control,
+                          "notify::default-input",
+                          G_CALLBACK (on_control_default_input_notify),
+                          applet);
+        g_signal_connect (applet->priv->control,
+                          "notify::default-output",
+                          G_CALLBACK (on_control_default_output_notify),
+                          applet);
+        g_signal_connect (applet->priv->control,
+                          "stream-added",
+                          G_CALLBACK (on_control_stream_added),
+                          applet);
+        g_signal_connect (applet->priv->control,
+                          "stream-removed",
+                          G_CALLBACK (on_control_stream_removed),
+                          applet);
 }
 
 GvcApplet *
 gvc_applet_new (void)
 {
-        GObject *applet;
-
-        applet = g_object_new (GVC_TYPE_APPLET, NULL);
-
-        return GVC_APPLET (applet);
+        return g_object_new (GVC_TYPE_APPLET, NULL);
 }
diff --git a/mate-volume-control/src/gvc-applet.h b/mate-volume-control/src/gvc-applet.h
index 1cce717..50b3a80 100644
--- a/mate-volume-control/src/gvc-applet.h
+++ b/mate-volume-control/src/gvc-applet.h
@@ -21,34 +21,39 @@
 #ifndef __GVC_APPLET_H
 #define __GVC_APPLET_H
 
+#include <glib.h>
 #include <glib-object.h>
 
 G_BEGIN_DECLS
 
+#define GVC_APPLET_DBUS_NAME    "org.mate.VolumeControlApplet"
+
 #define GVC_TYPE_APPLET         (gvc_applet_get_type ())
 #define GVC_APPLET(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_APPLET, GvcApplet))
-#define GVC_APPLET_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_APPLET, GvcAppletClass))
+#define GVC_APPLET_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GVC_TYPE_APPLET, GvcAppletClass))
 #define GVC_IS_APPLET(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GVC_TYPE_APPLET))
 #define GVC_IS_APPLET_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GVC_TYPE_APPLET))
 #define GVC_APPLET_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GVC_TYPE_APPLET, GvcAppletClass))
 
-typedef struct GvcAppletPrivate GvcAppletPrivate;
+typedef struct _GvcApplet         GvcApplet;
+typedef struct _GvcAppletClass    GvcAppletClass;
+typedef struct _GvcAppletPrivate  GvcAppletPrivate;
 
-typedef struct
+struct _GvcApplet
 {
-        GObject            parent;
-        GvcAppletPrivate *priv;
-} GvcApplet;
+        GObject                 parent;
+        GvcAppletPrivate       *priv;
+};
 
-typedef struct
+struct _GvcAppletClass
 {
-        GObjectClass   parent_class;
-} GvcAppletClass;
+        GObjectClass            parent_class;
+};
 
-GType               gvc_applet_get_type            (void);
+GType               gvc_applet_get_type            (void) G_GNUC_CONST;
 
 GvcApplet *         gvc_applet_new                 (void);
-void                gvc_applet_start               (GvcApplet     *applet);
+void                gvc_applet_start               (GvcApplet *applet);
 
 G_END_DECLS
 
diff --git a/mate-volume-control/src/gvc-mixer-dialog.h b/mate-volume-control/src/gvc-mixer-dialog.h
index ca9c0a1..6db9ae5 100644
--- a/mate-volume-control/src/gvc-mixer-dialog.h
+++ b/mate-volume-control/src/gvc-mixer-dialog.h
@@ -26,6 +26,8 @@
 
 G_BEGIN_DECLS
 
+#define GVC_DIALOG_DBUS_NAME          "org.mate.VolumeControl"
+
 #define GVC_TYPE_MIXER_DIALOG         (gvc_mixer_dialog_get_type ())
 #define GVC_MIXER_DIALOG(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_MIXER_DIALOG, GvcMixerDialog))
 #define GVC_MIXER_DIALOG_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_MIXER_DIALOG, GvcMixerDialogClass))
diff --git a/mate-volume-control/src/gvc-stream-status-icon.c b/mate-volume-control/src/gvc-stream-status-icon.c
index dcf483d..51207ba 100644
--- a/mate-volume-control/src/gvc-stream-status-icon.c
+++ b/mate-volume-control/src/gvc-stream-status-icon.c
@@ -20,41 +20,41 @@
 
 #include "config.h"
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
 #include <math.h>
-
 #include <glib.h>
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
-#if GTK_CHECK_VERSION (2, 21, 8)
 #include <gdk/gdkkeysyms-compat.h>
-#else
-#include <gdk/gdkkeysyms.h>
-#endif
+#include <libmatemixer/matemixer.h>
 
-#include "gvc-mixer-stream.h"
 #include "gvc-channel-bar.h"
 #include "gvc-stream-status-icon.h"
 
+// XXX the gdk_spawn_command_line_on_screen causes compiler warnings, remove the GTK3
+// check and instead use GdkAppLaunchContext and GAppInfo which should work with
+// both GDKs
+
 #if GTK_CHECK_VERSION (3, 0, 0)
 #define MATE_DESKTOP_USE_UNSTABLE_API
 #include <libmate-desktop/mate-desktop-utils.h>
 #define gdk_spawn_command_line_on_screen mate_gdk_spawn_command_line_on_screen
 #endif
 
+// XXX this file uses PA_DECIBEL_MININFTY, figure out how to handle it through the
+// library and change it
+#include <pulse/pulseaudio.h>
+
 #define GVC_STREAM_STATUS_ICON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_STREAM_STATUS_ICON, GvcStreamStatusIconPrivate))
 
-struct GvcStreamStatusIconPrivate
+struct _GvcStreamStatusIconPrivate
 {
-        char          **icon_names;
-        GvcMixerStream *mixer_stream;
-        GtkWidget      *dock;
-        GtkWidget      *bar;
-        guint           current_icon;
-        char           *display_name;
-        gboolean        thaw;
+        char           **icon_names;
+        GtkWidget       *dock;
+        GtkWidget       *bar;
+        guint            current_icon;
+        char            *display_name;
+        gboolean         thaw;
+        MateMixerStream *mixer_stream;
 };
 
 enum
@@ -65,35 +65,25 @@ enum
         PROP_ICON_NAMES,
 };
 
-static void     gvc_stream_status_icon_class_init (GvcStreamStatusIconClass *klass);
-static void     gvc_stream_status_icon_init       (GvcStreamStatusIcon      *stream_status_icon);
-static void     gvc_stream_status_icon_finalize   (GObject                  *object);
+static void gvc_stream_status_icon_class_init (GvcStreamStatusIconClass *klass);
+static void gvc_stream_status_icon_init       (GvcStreamStatusIcon      *stream_status_icon);
+static void gvc_stream_status_icon_finalize   (GObject                  *object);
 
 G_DEFINE_TYPE (GvcStreamStatusIcon, gvc_stream_status_icon, GTK_TYPE_STATUS_ICON)
 
 static void
-on_adjustment_value_changed (GtkAdjustment *adjustment,
-                             GvcStreamStatusIcon     *icon)
+on_adjustment_value_changed (GtkAdjustment       *adjustment,
+                             GvcStreamStatusIcon *icon)
 {
-        gdouble volume;
-
-        if (icon->priv->thaw)
-                return;
-
-        volume = gtk_adjustment_get_value (adjustment);
-
-        /* Only push the volume if it's actually changed */
-        if (gvc_mixer_stream_set_volume(icon->priv->mixer_stream,
-                                    (pa_volume_t) round (volume)) != FALSE) {
-                gvc_mixer_stream_push_volume(icon->priv->mixer_stream);
-        }
+        if (icon->priv->thaw == FALSE)
+                mate_mixer_stream_set_volume (icon->priv->mixer_stream,
+                                              round (gtk_adjustment_get_value (adjustment)));
 }
 
 static void
 update_dock (GvcStreamStatusIcon *icon)
 {
         GtkAdjustment *adj;
-        gboolean       is_muted;
 
         g_return_if_fail (icon);
 
@@ -101,9 +91,9 @@ update_dock (GvcStreamStatusIcon *icon)
 
         icon->priv->thaw = TRUE;
         gtk_adjustment_set_value (adj,
-                                  gvc_mixer_stream_get_volume (icon->priv->mixer_stream));
-        is_muted = gvc_mixer_stream_get_is_muted (icon->priv->mixer_stream);
-        gvc_channel_bar_set_is_muted (GVC_CHANNEL_BAR (icon->priv->bar), is_muted);
+                                  mate_mixer_stream_get_volume (icon->priv->mixer_stream));
+        gvc_channel_bar_set_is_muted (GVC_CHANNEL_BAR (icon->priv->bar),
+                                      mate_mixer_stream_get_mute (icon->priv->mixer_stream));
         icon->priv->thaw = FALSE;
 }
 
@@ -142,7 +132,7 @@ popup_dock (GvcStreamStatusIcon *icon,
         monitor_num = gdk_screen_get_monitor_at_point (screen, area.x, area.y);
         gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
 
-        gtk_container_foreach (GTK_CONTAINER (icon->priv->dock), 
+        gtk_container_foreach (GTK_CONTAINER (icon->priv->dock),
                                (GtkCallback) gtk_widget_show_all, NULL);
 #if GTK_CHECK_VERSION (3, 0, 0)
         gtk_widget_get_preferred_size (icon->priv->dock, &dock_req, NULL);
@@ -225,9 +215,9 @@ on_status_icon_button_press (GtkStatusIcon       *status_icon,
         /* middle click acts as mute/unmute */
         if (event->button == 2) {
                 gboolean is_muted;
-                is_muted = gvc_mixer_stream_get_is_muted (icon->priv->mixer_stream);
-                gvc_mixer_stream_set_is_muted (icon->priv->mixer_stream, !is_muted);
-                gvc_mixer_stream_change_is_muted (icon->priv->mixer_stream, !is_muted);
+                is_muted = mate_mixer_stream_get_mute (icon->priv->mixer_stream);
+
+                mate_mixer_stream_set_mute (icon->priv->mixer_stream, !is_muted);
                 return TRUE;
         }
         return FALSE;
@@ -285,7 +275,7 @@ on_status_icon_popup_menu (GtkStatusIcon       *status_icon,
 
         item = gtk_check_menu_item_new_with_mnemonic (_("_Mute"));
         gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (item),
-                                        gvc_mixer_stream_get_is_muted (icon->priv->mixer_stream));
+                                        mate_mixer_stream_get_mute (icon->priv->mixer_stream));
         g_signal_connect (item,
                           "toggled",
                           G_CALLBACK (on_menu_mute_toggled),
@@ -435,27 +425,36 @@ on_dock_scroll_event (GtkWidget           *widget,
 static void
 update_icon (GvcStreamStatusIcon *icon)
 {
-        guint    volume;
-        gboolean is_muted;
-        guint    n;
-        char    *markup;
-        gboolean can_decibel;
-        gdouble  db;
+        gint64               volume;
+        gdouble              volume_db = 0;
+        gint64               normal_volume;
+        gboolean             is_muted;
+        guint                n;
+        char                *markup;
+        gboolean             can_decibel = FALSE;
+        MateMixerStreamFlags flags;
 
         if (icon->priv->mixer_stream == NULL) {
                 return;
         }
 
-        volume = gvc_mixer_stream_get_volume (icon->priv->mixer_stream);
-        is_muted = gvc_mixer_stream_get_is_muted (icon->priv->mixer_stream);
-        db = gvc_mixer_stream_get_decibel (icon->priv->mixer_stream);
-        can_decibel = gvc_mixer_stream_get_can_decibel (icon->priv->mixer_stream);
+        volume = mate_mixer_stream_get_volume (icon->priv->mixer_stream);
+        is_muted = mate_mixer_stream_get_mute (icon->priv->mixer_stream);
+
+        flags = mate_mixer_stream_get_flags (icon->priv->mixer_stream);
+
+        if (flags & MATE_MIXER_STREAM_HAS_DECIBEL_VOLUME) {
+                volume_db = mate_mixer_stream_get_volume_db (icon->priv->mixer_stream);
+                can_decibel = TRUE;
+        }
+
+        normal_volume = mate_mixer_stream_get_normal_volume (icon->priv->mixer_stream);
 
         /* select image */
         if (volume <= 0 || is_muted) {
                 n = 0;
         } else {
-                n = 3 * volume / PA_VOLUME_NORM + 1;
+                n = 3 * volume / normal_volume + 1;
                 if (n < 1) {
                         n = 1;
                 } else if (n > 3) {
@@ -477,26 +476,26 @@ update_icon (GvcStreamStatusIcon *icon)
                                           "<b>%s: %s</b>\n<small>%s</small>",
                                           icon->priv->display_name,
                                           _("Muted"),
-                                          gvc_mixer_stream_get_description (icon->priv->mixer_stream));
-        } else if (can_decibel && (db > PA_DECIBEL_MININFTY)) {
+                                          mate_mixer_stream_get_description (icon->priv->mixer_stream));
+        } else if (can_decibel && (volume_db > PA_DECIBEL_MININFTY)) {
                 markup = g_strdup_printf (
                                           "<b>%s: %.0f%%</b>\n<small>%0.2f dB\n%s</small>",
                                           icon->priv->display_name,
-                                          100 * (float)volume / PA_VOLUME_NORM,
-                                          db,
-                                          gvc_mixer_stream_get_description (icon->priv->mixer_stream));
+                                          100 * (float) volume / normal_volume,
+                                          volume_db,
+                                          mate_mixer_stream_get_description (icon->priv->mixer_stream));
         } else if (can_decibel) {
                 markup = g_strdup_printf (
                                           "<b>%s: %.0f%%</b>\n<small>-&#8734; dB\n%s</small>",
                                           icon->priv->display_name,
-                                          100 * (float)volume / PA_VOLUME_NORM,
-                                          gvc_mixer_stream_get_description (icon->priv->mixer_stream));
+                                          100 * (float) volume / normal_volume,
+                                          mate_mixer_stream_get_description (icon->priv->mixer_stream));
         } else {
                 markup = g_strdup_printf (
                                           "<b>%s: %.0f%%</b>\n<small>%s</small>",
                                           icon->priv->display_name,
-                                          100 * (float)volume / PA_VOLUME_NORM,
-                                          gvc_mixer_stream_get_description (icon->priv->mixer_stream));
+                                          100 * (float) volume / normal_volume,
+                                          mate_mixer_stream_get_description (icon->priv->mixer_stream));
         }
         gtk_status_icon_set_tooltip_markup (GTK_STATUS_ICON (icon), markup);
         g_free (markup);
@@ -524,9 +523,9 @@ on_stream_volume_notify (GObject             *object,
 }
 
 static void
-on_stream_is_muted_notify (GObject             *object,
-                           GParamSpec          *pspec,
-                           GvcStreamStatusIcon *icon)
+on_stream_mute_notify (GObject             *object,
+                       GParamSpec          *pspec,
+                       GvcStreamStatusIcon *icon)
 {
         update_icon (icon);
         update_dock (icon);
@@ -546,7 +545,7 @@ gvc_stream_status_icon_set_display_name (GvcStreamStatusIcon *icon,
 
 void
 gvc_stream_status_icon_set_mixer_stream (GvcStreamStatusIcon *icon,
-                                         GvcMixerStream      *stream)
+                                         MateMixerStream     *stream)
 {
         g_return_if_fail (GVC_STREAM_STATUS_ICON (icon));
 
@@ -559,10 +558,10 @@ gvc_stream_status_icon_set_mixer_stream (GvcStreamStatusIcon *icon,
                                                       G_CALLBACK (on_stream_volume_notify),
                                                       icon);
                 g_signal_handlers_disconnect_by_func (icon->priv->mixer_stream,
-                                                      G_CALLBACK (on_stream_is_muted_notify),
+                                                      G_CALLBACK (on_stream_mute_notify),
                                                       icon);
+
                 g_object_unref (icon->priv->mixer_stream);
-                icon->priv->mixer_stream = NULL;
         }
 
         icon->priv->mixer_stream = stream;
@@ -575,7 +574,7 @@ gvc_stream_status_icon_set_mixer_stream (GvcStreamStatusIcon *icon,
                 icon->priv->thaw = TRUE;
                 adj = GTK_ADJUSTMENT (gvc_channel_bar_get_adjustment (GVC_CHANNEL_BAR (icon->priv->bar)));
                 gtk_adjustment_set_value (adj,
-                                          gvc_mixer_stream_get_volume (icon->priv->mixer_stream));
+                                          mate_mixer_stream_get_volume (icon->priv->mixer_stream));
                 icon->priv->thaw = FALSE;
 
                 g_signal_connect (icon->priv->mixer_stream,
@@ -583,8 +582,8 @@ gvc_stream_status_icon_set_mixer_stream (GvcStreamStatusIcon *icon,
                                   G_CALLBACK (on_stream_volume_notify),
                                   icon);
                 g_signal_connect (icon->priv->mixer_stream,
-                                  "notify::is-muted",
-                                  G_CALLBACK (on_stream_is_muted_notify),
+                                  "notify::mute",
+                                  G_CALLBACK (on_stream_mute_notify),
                                   icon);
         }
 
@@ -647,16 +646,8 @@ on_bar_is_muted_notify (GObject             *object,
                         GParamSpec          *pspec,
                         GvcStreamStatusIcon *icon)
 {
-        gboolean is_muted;
-
-        is_muted = gvc_channel_bar_get_is_muted (GVC_CHANNEL_BAR (object));
-
-        if (gvc_mixer_stream_get_is_muted (icon->priv->mixer_stream) != is_muted) {
-                /* Update the stream before pushing the change */
-                gvc_mixer_stream_set_is_muted (icon->priv->mixer_stream, is_muted);
-                gvc_mixer_stream_change_is_muted (icon->priv->mixer_stream,
-                                                  is_muted);
-        }
+        mate_mixer_stream_set_mute (icon->priv->mixer_stream,
+                                    gvc_channel_bar_get_is_muted (GVC_CHANNEL_BAR (object)));
 }
 
 static GObject *
@@ -740,10 +731,7 @@ gvc_stream_status_icon_dispose (GObject *object)
                 icon->priv->dock = NULL;
         }
 
-        if (icon->priv->mixer_stream != NULL) {
-                g_object_unref (icon->priv->mixer_stream);
-                icon->priv->mixer_stream = NULL;
-        }
+        g_clear_object (&icon->priv->mixer_stream);
 
         G_OBJECT_CLASS (gvc_stream_status_icon_parent_class)->dispose (object);
 }
@@ -764,22 +752,25 @@ gvc_stream_status_icon_class_init (GvcStreamStatusIconClass *klass)
                                          g_param_spec_object ("mixer-stream",
                                                               "mixer stream",
                                                               "mixer stream",
-                                                              GVC_TYPE_MIXER_STREAM,
-                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+                                                              MATE_MIXER_TYPE_STREAM,
+                                                              G_PARAM_READWRITE |
+                                                              G_PARAM_CONSTRUCT));
         g_object_class_install_property (object_class,
                                          PROP_DISPLAY_NAME,
                                          g_param_spec_string ("display-name",
                                                               "Display Name",
                                                               "Name to display for this stream",
                                                               NULL,
-                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+                                                              G_PARAM_READWRITE |
+                                                              G_PARAM_CONSTRUCT));
         g_object_class_install_property (object_class,
                                          PROP_ICON_NAMES,
                                          g_param_spec_boxed ("icon-names",
                                                              "Icon Names",
                                                              "Name of icon to display for this stream",
                                                               G_TYPE_STRV,
-                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+                                                              G_PARAM_READWRITE |
+                                                              G_PARAM_CONSTRUCT));
 
         g_type_class_add_private (klass, sizeof (GvcStreamStatusIconPrivate));
 }
@@ -829,28 +820,21 @@ gvc_stream_status_icon_init (GvcStreamStatusIcon *icon)
 static void
 gvc_stream_status_icon_finalize (GObject *object)
 {
-        GvcStreamStatusIcon *stream_status_icon;
-
-        g_return_if_fail (object != NULL);
-        g_return_if_fail (GVC_IS_STREAM_STATUS_ICON (object));
-
-        stream_status_icon = GVC_STREAM_STATUS_ICON (object);
+        GvcStreamStatusIcon *icon;
 
-        g_return_if_fail (stream_status_icon->priv != NULL);
+        icon = GVC_STREAM_STATUS_ICON (object);
 
-        g_strfreev (stream_status_icon->priv->icon_names);
+        g_strfreev (icon->priv->icon_names);
 
         G_OBJECT_CLASS (gvc_stream_status_icon_parent_class)->finalize (object);
 }
 
 GvcStreamStatusIcon *
-gvc_stream_status_icon_new (GvcMixerStream *stream,
-                            const char    **icon_names)
+gvc_stream_status_icon_new (MateMixerStream *stream,
+                            const char     **icon_names)
 {
-        GObject *icon;
-        icon = g_object_new (GVC_TYPE_STREAM_STATUS_ICON,
+        return g_object_new (GVC_TYPE_STREAM_STATUS_ICON,
                              "mixer-stream", stream,
                              "icon-names", icon_names,
                              NULL);
-        return GVC_STREAM_STATUS_ICON (icon);
 }
diff --git a/mate-volume-control/src/gvc-stream-status-icon.h b/mate-volume-control/src/gvc-stream-status-icon.h
index 8c984a0..cd32f64 100644
--- a/mate-volume-control/src/gvc-stream-status-icon.h
+++ b/mate-volume-control/src/gvc-stream-status-icon.h
@@ -21,34 +21,37 @@
 #ifndef __GVC_STREAM_STATUS_ICON_H
 #define __GVC_STREAM_STATUS_ICON_H
 
+#include <glib.h>
 #include <glib-object.h>
-#include "gvc-mixer-stream.h"
+#include <libmatemixer/matemixer.h>
 
 G_BEGIN_DECLS
 
 #define GVC_TYPE_STREAM_STATUS_ICON         (gvc_stream_status_icon_get_type ())
 #define GVC_STREAM_STATUS_ICON(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_STREAM_STATUS_ICON, GvcStreamStatusIcon))
-#define GVC_STREAM_STATUS_ICON_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_STREAM_STATUS_ICON, GvcStreamStatusIconClass))
+#define GVC_STREAM_STATUS_ICON_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GVC_TYPE_STREAM_STATUS_ICON, GvcStreamStatusIconClass))
 #define GVC_IS_STREAM_STATUS_ICON(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GVC_TYPE_STREAM_STATUS_ICON))
 #define GVC_IS_STREAM_STATUS_ICON_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GVC_TYPE_STREAM_STATUS_ICON))
 #define GVC_STREAM_STATUS_ICON_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GVC_TYPE_STREAM_STATUS_ICON, GvcStreamStatusIconClass))
 
-typedef struct GvcStreamStatusIconPrivate GvcStreamStatusIconPrivate;
+typedef struct _GvcStreamStatusIcon         GvcStreamStatusIcon;
+typedef struct _GvcStreamStatusIconClass    GvcStreamStatusIconClass;
+typedef struct _GvcStreamStatusIconPrivate  GvcStreamStatusIconPrivate;
 
-typedef struct
+struct _GvcStreamStatusIcon
 {
         GtkStatusIcon               parent;
         GvcStreamStatusIconPrivate *priv;
-} GvcStreamStatusIcon;
+};
 
-typedef struct
+struct _GvcStreamStatusIconClass
 {
         GtkStatusIconClass          parent_class;
-} GvcStreamStatusIconClass;
+};
 
-GType                 gvc_stream_status_icon_get_type            (void);
+GType                 gvc_stream_status_icon_get_type            (void) G_GNUC_CONST;
 
-GvcStreamStatusIcon * gvc_stream_status_icon_new                 (GvcMixerStream      *stream,
+GvcStreamStatusIcon * gvc_stream_status_icon_new                 (MateMixerStream     *stream,
                                                                   const char         **icon_names);
 
 void                  gvc_stream_status_icon_set_icon_names      (GvcStreamStatusIcon *icon,
@@ -56,7 +59,7 @@ void                  gvc_stream_status_icon_set_icon_names      (GvcStreamStatu
 void                  gvc_stream_status_icon_set_display_name    (GvcStreamStatusIcon *icon,
                                                                   const char          *display_name);
 void                  gvc_stream_status_icon_set_mixer_stream    (GvcStreamStatusIcon *icon,
-                                                                  GvcMixerStream      *stream);
+                                                                  MateMixerStream     *stream);
 
 G_END_DECLS