"I/O mode",
GST_TYPE_V4L2_IO_MODE, DEFAULT_PROP_IO_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ /**
+ * GstV4l2Src:extra-controls
+ *
+ * Additional v4l2 controls for the device. The controls are identified
+ * by the control name (lowercase with '_' for any non-alphanumeric
+ * characters).
+ *
+ * Since: 1.2
+ */
+ g_object_class_install_property (gobject_class, PROP_EXTRA_CONTROLS,
+ g_param_spec_boxed ("extra-controls", "Extra Controls",
+ "Extra v4l2 controls (CIDs) for the device",
+ GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
GstV4l2Object *
case PROP_IO_MODE:
v4l2object->req_mode = g_value_get_enum (value);
break;
+ case PROP_EXTRA_CONTROLS:{
+ const GstStructure *s = gst_value_get_structure (value);
+
+ if (v4l2object->extra_controls)
+ gst_structure_free (v4l2object->extra_controls);
+
+ v4l2object->extra_controls = s ? gst_structure_copy (s) : NULL;
+ if (GST_V4L2_IS_OPEN (v4l2object))
+ gst_v4l2_set_controls (v4l2object, v4l2object->extra_controls);
+ break;
+ }
default:
return FALSE;
break;
case PROP_IO_MODE:
g_value_set_enum (value, v4l2object->req_mode);
break;
+ case PROP_EXTRA_CONTROLS:
+ gst_value_set_structure (value, v4l2object->extra_controls);
+ break;
default:
return FALSE;
break;
GST_DEBUG_OBJECT (e, "skipping disabled control");
continue;
}
+ switch (control.type) {
+ case V4L2_CTRL_TYPE_INTEGER:
+ case V4L2_CTRL_TYPE_BOOLEAN:
+ case V4L2_CTRL_TYPE_MENU:
+ case V4L2_CTRL_TYPE_INTEGER_MENU:
+ case V4L2_CTRL_TYPE_BITMASK:
+ case V4L2_CTRL_TYPE_BUTTON:{
+ int i;
+ control.name[31] = '\0';
+ for (i = 0; control.name[i]; ++i) {
+ control.name[i] = g_ascii_tolower (control.name[i]);
+ if (!g_ascii_isalnum (control.name[i]))
+ control.name[i] = '_';
+ }
+ GST_INFO_OBJECT (e, "adding generic controls '%s'", control.name);
+ g_datalist_id_set_data (&v4l2object->controls,
+ g_quark_from_string ((const gchar *) control.name),
+ GINT_TO_POINTER (n));
+ break;
+ }
+ default:
+ GST_DEBUG_OBJECT (e,
+ "Control type for '%s' not suppored for extra controls.",
+ control.name);
+ break;
+ }
switch (n) {
case V4L2_CID_BRIGHTNESS:
g_list_foreach (v4l2object->colors, (GFunc) g_object_unref, NULL);
g_list_free (v4l2object->colors);
v4l2object->colors = NULL;
+
+ g_datalist_clear (&v4l2object->controls);
}
/******************************************************
else
gst_poll_fd_ctl_write (v4l2object->poll, &pollfd, TRUE);
+ if (v4l2object->extra_controls)
+ gst_v4l2_set_controls (v4l2object, v4l2object->extra_controls);
+
return TRUE;
/* ERRORS */
}
}
+static gboolean
+set_contol (GQuark field_id, const GValue * value, gpointer user_data)
+{
+ GstV4l2Object *v4l2object = user_data;
+ gpointer *d = g_datalist_id_get_data (&v4l2object->controls, field_id);
+ if (!d) {
+ GST_WARNING_OBJECT (v4l2object,
+ "Control '%s' does not exist or has an unsupported type.",
+ g_quark_to_string (field_id));
+ return TRUE;
+ }
+ if (!G_VALUE_HOLDS (value, G_TYPE_INT)) {
+ GST_WARNING_OBJECT (v4l2object,
+ "'int' value expected for control '%s'.", g_quark_to_string (field_id));
+ return TRUE;
+ }
+ gst_v4l2_set_attribute (v4l2object, GPOINTER_TO_INT (d),
+ g_value_get_int (value));
+ return TRUE;
+}
+
+gboolean
+gst_v4l2_set_controls (GstV4l2Object * v4l2object, GstStructure * controls)
+{
+ return gst_structure_foreach (controls, set_contol, v4l2object);
+}
+
gboolean
gst_v4l2_get_input (GstV4l2Object * v4l2object, gint * input)
{