Add bindings for the array/fraction param spec constructors

gstreamer/src/lib.rs

@@ -258,6 +258,9 @@ pub use buffer_pool::*;
 
 mod pad_template;
 
+mod param_spec;
+pub use param_spec::*;
+
 pub mod functions;
 pub use functions::*;
 

gstreamer/src/param_spec.rs

@@ -0,0 +1,59 @@
+// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use ffi;
+use glib;
+use glib::translate::*;
+
+pub struct ParamSpec(());
+
+impl ParamSpec {
+    #[cfg(any(feature = "v1_14", feature = "dox"))]
+    pub fn array(
+        name: &str,
+        nick: &str,
+        blurb: &str,
+        element_spec: &glib::ParamSpec,
+        flags: glib::ParamFlags,
+    ) -> glib::ParamSpec {
+        unsafe {
+            from_glib_full(ffi::gst_param_spec_array(
+                name.to_glib_none().0,
+                nick.to_glib_none().0,
+                blurb.to_glib_none().0,
+                element_spec.to_glib_none().0,
+                flags.to_glib(),
+            ))
+        }
+    }
+
+    pub fn fraction(
+        name: &str,
+        nick: &str,
+        blurb: &str,
+        min: ::Fraction,
+        max: ::Fraction,
+        default: ::Fraction,
+        flags: glib::ParamFlags,
+    ) -> glib::ParamSpec {
+        unsafe {
+            from_glib_full(ffi::gst_param_spec_fraction(
+                name.to_glib_none().0,
+                nick.to_glib_none().0,
+                blurb.to_glib_none().0,
+                *min.numer(),
+                *min.denom(),
+                *max.numer(),
+                *max.denom(),
+                *default.numer(),
+                *default.denom(),
+                flags.to_glib(),
+            ))
+        }
+    }
+}