Add typefind helper bindings

Gir_GstBase.toml

@@ -31,6 +31,7 @@ manual = [
     "Gst.FlowReturn",
     "Gst.Format",
     "Gst.Pad",
+    "Gst.TypeFindProbability",
 ]
 
 [[object]]
@@ -71,6 +72,15 @@ status = "manual"
 trait = false
 concurrency = "none"
 
+[[object]]
+name = "GstBase.*"
+status = "generate"
+
+    [[object.function]]
+    name = "type_find_helper_for_data"
+    # broken data type
+    ignore = true
+
 [[object]]
 name = "Gst.Structure"
 status = "manual"

gstreamer-base/src/auto/functions.rs

@@ -0,0 +1,40 @@
+// This file was generated by gir (d50d839) from gir-files (???)
+// DO NOT EDIT
+
+use ffi;
+use glib::object::IsA;
+use glib::translate::*;
+use gst;
+use std::mem;
+
+
+pub fn type_find_helper<P: IsA<gst::Pad>>(src: &P, size: u64) -> Option<gst::Caps> {
+    assert_initialized_main_thread!();
+    unsafe {
+        from_glib_full(ffi::gst_type_find_helper(src.to_glib_none().0, size))
+    }
+}
+
+pub fn type_find_helper_for_buffer<'a, P: IsA<gst::Object> + 'a, Q: Into<Option<&'a P>>>(obj: Q, buf: &gst::Buffer) -> (Option<gst::Caps>, gst::TypeFindProbability) {
+    assert_initialized_main_thread!();
+    let obj = obj.into();
+    let obj = obj.to_glib_none();
+    unsafe {
+        let mut prob = mem::uninitialized();
+        let ret = from_glib_full(ffi::gst_type_find_helper_for_buffer(obj.0, buf.to_glib_none().0, &mut prob));
+        (ret, from_glib(prob))
+    }
+}
+
+pub fn type_find_helper_for_extension<'a, P: IsA<gst::Object> + 'a, Q: Into<Option<&'a P>>>(obj: Q, extension: &str) -> Option<gst::Caps> {
+    assert_initialized_main_thread!();
+    let obj = obj.into();
+    let obj = obj.to_glib_none();
+    unsafe {
+        from_glib_full(ffi::gst_type_find_helper_for_extension(obj.0, extension.to_glib_none().0))
+    }
+}
+
+//pub fn type_find_helper_get_range<'a, P: IsA<gst::Object>, Q: IsA<gst::Object> + 'a, R: Into<Option<&'a Q>>>(obj: &P, parent: R, func: /*Unknown conversion*//*Unimplemented*/TypeFindHelperGetRangeFunction, size: u64, extension: &str) -> (Option<gst::Caps>, gst::TypeFindProbability) {
+//    unsafe { TODO: call ffi::gst_type_find_helper_get_range() }
+//}

gstreamer-base/src/auto/mod.rs

@@ -19,6 +19,8 @@ pub use self::base_transform::BaseTransformExt;
 mod push_src;
 pub use self::push_src::PushSrc;
 
+pub mod functions;
+
 #[doc(hidden)]
 pub mod traits {
     pub use super::BaseSinkExt;

gstreamer-base/src/functions.rs

@@ -0,0 +1,39 @@
+// Copyright (C) 2017 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::object::IsA;
+use glib::translate::*;
+use gst;
+use std::mem;
+
+pub fn type_find_helper_for_data<
+    'a,
+    P: IsA<gst::Object> + 'a,
+    Q: Into<Option<&'a P>>,
+    R: AsRef<[u8]>,
+>(
+    obj: Q,
+    data: R,
+) -> (Option<gst::Caps>, gst::TypeFindProbability) {
+    assert_initialized_main_thread!();
+    let obj = obj.into();
+    let obj = obj.to_glib_none();
+    unsafe {
+        let mut prob = mem::uninitialized();
+        let data = data.as_ref();
+        let (ptr, len) = (data.as_ptr(), data.len());
+        let ret = from_glib_full(ffi::gst_type_find_helper_for_data(
+            obj.0,
+            ptr,
+            len,
+            &mut prob,
+        ));
+        (ret, from_glib(prob))
+    }
+}

gstreamer-base/src/lib.rs

@@ -37,6 +37,10 @@ pub use glib::{Cast, Continue, Error, IsA, StaticType, ToValue, Type, TypedValue
 #[cfg_attr(feature = "cargo-clippy", allow(match_same_arms))]
 mod auto;
 pub use auto::*;
+pub use auto::functions::*;
+
+pub mod functions;
+pub use functions::*;
 
 mod adapter;
 mod flow_combiner;