1 files changed, 6 insertions, 0 deletions
diff --git a/options/m_property.h b/options/m_property.h
index 0f8230608b..d6c8c5aab3 100644
--- a/options/m_property.h
+++ b/options/m_property.h
@@ -48,6 +48,12 @@ enum mp_property_action {
     //  arg: char**
     M_PROPERTY_PRINT,
 
+    // Like M_PROPERTY_GET_TYPE, but get a type that is compatible to the real
+    // type, but reflect practical limits, such as runtime-available values.
+    // This is mostly used for "UI" related things.
+    // (Example: volume property.)
+    M_PROPERTY_GET_CONSTRICTED_TYPE,
+
     // Switch the property up/down by a given value.
     // If unimplemented, the property wrapper uses the property type as
     // fallback.