mediamanager: ignore PulseAudio monitors

Ignore PulseAudio monitor audio sources since they have little use
in the context of telephony.

1 files changed, 38 insertions, 0 deletions

diff --git a/libpurple/mediamanager.c b/libpurple/mediamanager.c
index dff3e19e0c..9f06a8582e 100644
--- a/libpurple/mediamanager.c
+++ b/libpurple/mediamanager.c
@@ -2001,6 +2001,40 @@ gst_device_create_cb(PurpleMediaElementInfo *info, PurpleMedia *media,
 	return result;
 }
 
+static gboolean
+device_is_ignored(GstDevice *device)
+{
+	gboolean result = FALSE;
+
+#if GST_CHECK_VERSION(1, 6, 0)
+	gchar *device_class;
+
+	g_return_val_if_fail(device, TRUE);
+
+	device_class = gst_device_get_device_class(device);
+
+	/* Ignore PulseAudio monitor audio sources since they have little use
+	 * in the context of telephony.*/
+	if (purple_strequal(device_class, "Audio/Source")) {
+		GstStructure *properties;
+		const gchar *pa_class;
+
+		properties = gst_device_get_properties(device);
+
+		pa_class = gst_structure_get_string(properties, "device.class");
+		if (purple_strequal(pa_class, "monitor")) {
+			result = TRUE;
+		}
+
+		gst_structure_free(properties);
+	}
+
+	g_free(device_class);
+#endif /* GST_CHECK_VERSION(1, 6, 0) */
+
+	return result;
+}
+
 static void
 purple_media_manager_register_gst_device(PurpleMediaManager *manager,
 		GstDevice *device)
@@ -2011,6 +2045,10 @@ purple_media_manager_register_gst_device(PurpleMediaManager *manager,
 	gchar *device_class;
 	gchar *id;
 
+	if (device_is_ignored(device)) {
+		return;
+	}
+
 	name = gst_device_get_display_name(device);
 	device_class = gst_device_get_device_class(device);