[calls] settings: Add GSetting for preferred audio codecs

[Evangelos Ribeiro Tzaras <devrtz src gnome org>]

commit 7fe8a90d770a0b7cde5e757a2f8e5ccfc9160ad8
Author: Evangelos Ribeiro Tzaras <devrtz fortysixandtwo eu>
Date:   Tue Nov 23 15:03:14 2021 +0100

    settings: Add GSetting for preferred audio codecs

 data/org.gnome.Calls.gschema.xml |  6 +++++
 src/calls-settings.c             | 50 ++++++++++++++++++++++++++++++++++++++++
 src/calls-settings.h             |  3 +++
 3 files changed, 59 insertions(+)
---
diff --git a/data/org.gnome.Calls.gschema.xml b/data/org.gnome.Calls.gschema.xml
index eee54406..517e1bd1 100644
--- a/data/org.gnome.Calls.gschema.xml
+++ b/data/org.gnome.Calls.gschema.xml
@@ -20,5 +20,11 @@
       <description>These plugins will be automatically loaded on application startup.</description>
     </key>
 
+    <key name="preferred-audio-codecs" type="as">
+      <default>["PCMA", "PCMU", "GSM", "G722"]</default>
+      <summary>Audio codecs to use for VoIP calls in order of preference</summary>
+      <description>The preferred audio codecs to use for VoIP calls (if available)</description>
+    </key>
+
   </schema>
 </schemalist>
diff --git a/src/calls-settings.c b/src/calls-settings.c
index b0cd1f4b..9701c807 100644
--- a/src/calls-settings.c
+++ b/src/calls-settings.c
@@ -41,6 +41,7 @@ enum {
   PROP_AUTO_USE_DEFAULT_ORIGINS,
   PROP_COUNTRY_CODE,
   PROP_AUTOLOAD_PLUGINS,
+  PROP_PREFERRED_AUDIO_CODECS,
   PROP_LAST_PROP
 };
 static GParamSpec *props[PROP_LAST_PROP];
@@ -75,6 +76,10 @@ calls_settings_set_property (GObject      *object,
     calls_settings_set_autoload_plugins (self, g_value_get_boxed (value));
     break;
 
+  case PROP_PREFERRED_AUDIO_CODECS:
+    calls_settings_set_preferred_audio_codecs (self, g_value_get_boxed (value));
+    break;
+
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     break;
@@ -103,6 +108,10 @@ calls_settings_get_property (GObject    *object,
     g_value_set_boxed (value, calls_settings_get_autoload_plugins (self));
     break;
 
+  case PROP_PREFERRED_AUDIO_CODECS:
+    g_value_set_boxed (value, calls_settings_get_preferred_audio_codecs (self));
+    break;
+
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
     break;
@@ -123,6 +132,8 @@ calls_settings_constructed (GObject *object)
                    self, "country-code", G_SETTINGS_BIND_DEFAULT);
   g_settings_bind (self->settings, "autoload-plugins",
                    self, "autoload-plugins", G_SETTINGS_BIND_DEFAULT);
+  g_settings_bind (self->settings, "preferred-audio-codecs",
+                   self, "preferred-audio-codecs", G_SETTINGS_BIND_DEFAULT);
 }
 
 
@@ -167,6 +178,13 @@ calls_settings_class_init (CallsSettingsClass *klass)
                         G_TYPE_STRV,
                         G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
+  props[PROP_PREFERRED_AUDIO_CODECS] =
+    g_param_spec_boxed ("preferred-audio-codecs",
+                        "Preferred audio codecs",
+                        "The audio codecs to prefer for VoIP calls",
+                        G_TYPE_STRV,
+                        G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
   g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
 }
 
@@ -283,3 +301,35 @@ calls_settings_set_autoload_plugins (CallsSettings      *self,
 
   g_settings_set_strv (G_SETTINGS (self->settings), "autoload-plugins", plugins);
 }
+
+
+/**
+ * calls_settings_get_preferred_audio_codecs:
+ * @self: A #CallsSettings
+ *
+ * Returns: (transfer full): List of preferred audio codecs for VoIP calls.
+ * Free with g_strfreev() when done.
+ */
+char **
+calls_settings_get_preferred_audio_codecs (CallsSettings *self)
+{
+  g_return_val_if_fail (CALLS_IS_SETTINGS (self), NULL);
+
+  return g_settings_get_strv (self->settings, "preferred-audio-codecs");
+}
+
+/**
+ * calls_settings_set_preferred_audio_codecs:
+ * @self: A #CallsSettings
+ * @codecs: (nullable) (array zero-terminated=1): The preferred codecs
+ *
+ * Set the preferred audio codecs for VoIP calls.
+ */
+void
+calls_settings_set_preferred_audio_codecs (CallsSettings      *self,
+                                           const char * const *codecs)
+{
+  g_return_if_fail (CALLS_IS_SETTINGS (self));
+
+  g_settings_set_strv (self->settings, "preferred-audio-codecs", codecs);
+}
diff --git a/src/calls-settings.h b/src/calls-settings.h
index 8c23b642..de193760 100644
--- a/src/calls-settings.h
+++ b/src/calls-settings.h
@@ -42,6 +42,9 @@ void               calls_settings_set_country_code               (CallsSettings
 char             **calls_settings_get_autoload_plugins           (CallsSettings      *self);
 void               calls_settings_set_autoload_plugins           (CallsSettings      *self,
                                                                   const char * const *plugins);
+char             **calls_settings_get_preferred_audio_codecs     (CallsSettings      *self);
+void               calls_settings_set_preferred_audio_codecs     (CallsSettings      *self,
+                                                                  const char * const *codecs);
 
 G_END_DECLS