diff --git a/gstreamer-base/Cargo.toml b/gstreamer-base/Cargo.toml
index e1fdbc42f..c07ff3e21 100644
--- a/gstreamer-base/Cargo.toml
+++ b/gstreamer-base/Cargo.toml
@@ -14,6 +14,7 @@ build = "build.rs"
 edition = "2018"
 
 [dependencies]
+cfg-if = "1.0"
 libc = "0.2"
 bitflags = "1.0"
 ffi = { package = "gstreamer-base-sys", path = "sys", features = ["v1_8"] }
@@ -27,7 +28,8 @@ gstreamer-rs-lgpl-docs = { path = "../docs", optional = true }
 default = []
 v1_10 = ["gst/v1_10", "ffi/v1_10"]
 v1_12 = ["gst/v1_12", "ffi/v1_12", "v1_10"]
-v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12"]
+v1_12_1 = ["gst/v1_12_1", "ffi/v1_12_1", "v1_12"]
+v1_14 = ["gst/v1_14", "ffi/v1_14", "v1_12_1"]
 v1_14_1 = ["gst/v1_14", "ffi/v1_14_1", "v1_14"]
 v1_16 = ["gst/v1_16", "ffi/v1_16", "v1_14_1"]
 v1_18 = ["gst/v1_18", "ffi/v1_18", "v1_16"]
diff --git a/gstreamer-base/src/flow_combiner.rs b/gstreamer-base/src/flow_combiner.rs
index 873853651..2a7aea635 100644
--- a/gstreamer-base/src/flow_combiner.rs
+++ b/gstreamer-base/src/flow_combiner.rs
@@ -8,8 +8,24 @@ glib::wrapper! {
     pub struct FlowCombiner(Shared<ffi::GstFlowCombiner>);
 
     match fn {
-        ref => |ptr| glib::gobject_ffi::g_boxed_copy(ffi::gst_flow_combiner_get_type(), ptr as *mut _),
-        unref => |ptr| glib::gobject_ffi::g_boxed_free(ffi::gst_flow_combiner_get_type(), ptr as *mut _),
+        ref => |ptr| {
+            // cfg_if emits code in blocks (curly braces) and `ref` handling inserts a
+            // trailing semicolon to void an optionally returned value. The linter
+            // requests the resulting { ..ref() }; to be simplified making it unsuitable.
+            #[cfg(feature = "v1_12_1")]
+            ffi::gst_flow_combiner_ref(ptr);
+            #[cfg(not(feature = "v1_12_1"))]
+            glib::gobject_ffi::g_boxed_copy(ffi::gst_flow_combiner_get_type(), ptr as *mut _);
+        },
+        unref => |ptr| {
+            cfg_if::cfg_if! {
+                if #[cfg(feature = "v1_12_1")] {
+                    ffi::gst_flow_combiner_unref(ptr)
+                } else {
+                    glib::gobject_ffi::g_boxed_free(ffi::gst_flow_combiner_get_type(), ptr as *mut _)
+                }
+            }
+        },
         get_type => || ffi::gst_flow_combiner_get_type(),
     }
 }
diff --git a/gstreamer-sdp/src/sdp_message.rs b/gstreamer-sdp/src/sdp_message.rs
index d06595f27..e2cee49a4 100644
--- a/gstreamer-sdp/src/sdp_message.rs
+++ b/gstreamer-sdp/src/sdp_message.rs
@@ -24,8 +24,12 @@ glib::wrapper! {
     pub struct SDPMessage(Boxed<ffi::GstSDPMessage>);
 
     match fn {
-        copy => |ptr| glib::gobject_ffi::g_boxed_copy(ffi::gst_sdp_message_get_type(), ptr as *mut _) as *mut ffi::GstSDPMessage,
-        free => |ptr| glib::gobject_ffi::g_boxed_free(ffi::gst_sdp_message_get_type(), ptr as *mut _),
+        copy => |ptr| {
+            let mut copy = std::ptr::null_mut();
+            assert_eq!(ffi::gst_sdp_message_copy(ptr, &mut copy), ffi::GST_SDP_OK);
+            copy
+        },
+        free => |ptr| assert_eq!(ffi::gst_sdp_message_free(ptr), ffi::GST_SDP_OK),
         get_type => || ffi::gst_sdp_message_get_type(),
     }
 }
diff --git a/gstreamer/Cargo.toml b/gstreamer/Cargo.toml
index 46712a691..d191dd83e 100644
--- a/gstreamer/Cargo.toml
+++ b/gstreamer/Cargo.toml
@@ -44,7 +44,8 @@ futures-executor = "0.3.1"
 default = []
 v1_10 = ["ffi/v1_10"]
 v1_12 = ["ffi/v1_12", "v1_10"]
-v1_14 = ["ffi/v1_14", "v1_12"]
+v1_12_1 = ["ffi/v1_12_1", "v1_12"]
+v1_14 = ["ffi/v1_14", "v1_12_1"]
 v1_16 = ["ffi/v1_16", "v1_14"]
 v1_18 = ["ffi/v1_18", "v1_16"]
 v1_20 = ["ffi/v1_20", "v1_18"]
diff --git a/gstreamer/src/parse_context.rs b/gstreamer/src/parse_context.rs
index b79009d94..fb75fa7f0 100644
--- a/gstreamer/src/parse_context.rs
+++ b/gstreamer/src/parse_context.rs
@@ -8,11 +8,15 @@ glib::wrapper! {
 
     match fn {
         copy => |ptr| {
-            glib::gobject_ffi::g_boxed_copy(ffi::gst_parse_context_get_type(), ptr as *mut _) as *mut ffi::GstParseContext
-        },
-        free => |ptr| {
-            glib::gobject_ffi::g_boxed_free(ffi::gst_parse_context_get_type(), ptr as *mut _)
+            cfg_if::cfg_if! {
+                if #[cfg(feature = "v1_12_1")] {
+                    ffi::gst_parse_context_copy(ptr)
+                } else {
+                    glib::gobject_ffi::g_boxed_copy(ffi::gst_parse_context_get_type(), ptr as *mut _) as *mut ffi::GstParseContext
+                }
+            }
         },
+        free => |ptr| ffi::gst_parse_context_free(ptr),
         get_type => || ffi::gst_parse_context_get_type(),
     }
 }