device: rename "klass" and get_klass() to "device-class" and _get_device_class()

There's some precedent in GstElementFactory, but a
"klass" property just seems weird.

docs/gst/gstreamer-sections.txt

@@ -3344,6 +3344,11 @@ GST_DEVICE_GET_CLASS
 GST_IS_DEVICE
 GST_IS_DEVICE_CLASS
 GST_TYPE_DEVICE
+
+gst_device_create_element
+gst_device_get_caps
+gst_device_get_display_name
+gst_device_get_device_class
 gst_device_get_type
 </SECTION>
 

gst/gstdevice.c

@@ -46,7 +46,7 @@ enum
 {
   PROP_DISPLAY_NAME = 1,
   PROP_CAPS,
-  PROP_KLASS
+  PROP_DEVICE_CLASS
 };
 
 enum
@@ -58,7 +58,7 @@ enum
 struct _GstDevicePrivate
 {
   GstCaps *caps;
-  gchar *klass;
+  gchar *device_class;
   gchar *display_name;
 };
 
@@ -93,8 +93,8 @@ gst_device_class_init (GstDeviceClass * klass)
       g_param_spec_boxed ("caps", "Device Caps",
           "The possible caps of a device", GST_TYPE_CAPS,
           G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
-  g_object_class_install_property (object_class, PROP_KLASS,
+  g_object_class_install_property (object_class, PROP_DEVICE_CLASS,
-      g_param_spec_string ("klass", "Device Class",
+      g_param_spec_string ("device-class", "Device Class",
           "The Class of the device", "",
           G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 
@@ -117,7 +117,7 @@ gst_device_finalize (GObject * object)
   gst_caps_replace (&device->priv->caps, NULL);
 
   g_free (device->priv->display_name);
-  g_free (device->priv->klass);
+  g_free (device->priv->device_class);
 
   G_OBJECT_CLASS (gst_device_parent_class)->finalize (object);
 }
@@ -138,8 +138,8 @@ gst_device_get_property (GObject * object, guint prop_id,
       if (gstdevice->priv->caps)
         g_value_take_boxed (value, gst_device_get_caps (gstdevice));
       break;
-    case PROP_KLASS:
+    case PROP_DEVICE_CLASS:
-      g_value_take_string (value, gst_device_get_klass (gstdevice));
+      g_value_take_string (value, gst_device_get_device_class (gstdevice));
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -163,8 +163,8 @@ gst_device_set_property (GObject * object, guint prop_id,
     case PROP_CAPS:
       gst_caps_replace (&gstdevice->priv->caps, g_value_get_boxed (value));
       break;
-    case PROP_KLASS:
+    case PROP_DEVICE_CLASS:
-      gstdevice->priv->klass = g_value_dup_string (value);
+      gstdevice->priv->device_class = g_value_dup_string (value);
       break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -234,7 +234,7 @@ gst_device_get_display_name (GstDevice * device)
 }
 
 /**
- * gst_device_get_klass:
+ * gst_device_get_device_class:
  * @device: a #GstDevice
  *
  * Gets the "class" of a device. This is a "/" separated list of
@@ -246,9 +246,12 @@ gst_device_get_display_name (GstDevice * device)
  * Since: 1.4
  */
 gchar *
-gst_device_get_klass (GstDevice * device)
+gst_device_get_device_class (GstDevice * device)
 {
-  return g_strdup (device->priv->klass ? device->priv->klass : "");
+  if (device->priv->device_class != NULL)
+    return g_strdup (device->priv->device_class);
+  else
+    return g_strdup ("");
 }
 
 /**
@@ -304,11 +307,11 @@ gst_device_has_classesv (GstDevice * device, gchar ** classes)
     if (classes[0] == '\0')
       continue;
 
-    found = strstr (device->priv->klass, classes[0]);
+    found = strstr (device->priv->device_class, classes[0]);
 
     if (!found)
       return FALSE;
-    if (found != device->priv->klass && *(found - 1) != '/')
+    if (found != device->priv->device_class && *(found - 1) != '/')
       return FALSE;
 
     len = strlen (classes[0]);
@@ -322,8 +325,8 @@ gst_device_has_classesv (GstDevice * device, gchar ** classes)
 /**
  * gst_device_has_classes:
  * @device: a #GstDevice
- * @classes: a "/" separate list of klasses to match, only match if all classes
+ * @classes: a "/" separate list of device classes to match, only match if
- *  are matched
+ *  all classes are matched
  *
  * Check if @device matches all of the given classes
  *

gst/gstdevice.h

@@ -90,7 +90,7 @@ GstElement * gst_device_create_element (GstDevice * device, const gchar * name);
 
 GstCaps *    gst_device_get_caps (GstDevice * device);
 gchar *      gst_device_get_display_name (GstDevice * device);
-gchar *      gst_device_get_klass (GstDevice * device);
+gchar *      gst_device_get_device_class (GstDevice * device);
 gboolean     gst_device_reconfigure_element (GstDevice * device,
                                              GstElement * element);
 

win32/common/libgstreamer.def

@@ -410,8 +410,8 @@ EXPORTS
 	gst_deinit
 	gst_device_create_element
 	gst_device_get_caps
+	gst_device_get_device_class
 	gst_device_get_display_name
-	gst_device_get_klass
 	gst_device_get_type
 	gst_device_has_classes
 	gst_device_has_classesv