util: add base

src/lib.rs

@@ -3,3 +3,5 @@
 extern crate libc;
 extern crate ffmpeg_sys as ffi;
 #[macro_use] extern crate bitflags;
+
+pub mod util;

src/util/mod.rs

@@ -0,0 +1,22 @@
+use std::ffi::CStr;
+use std::str::from_utf8_unchecked;
+
+use ffi::*;
+
+pub fn version() -> u32 {
+	unsafe {
+		avutil_version()
+	}
+}
+
+pub fn configuration() -> &'static str {
+	unsafe {
+		from_utf8_unchecked(CStr::from_ptr(avutil_configuration()).to_bytes())
+	}
+}
+
+pub fn license() -> &'static str {
+	unsafe {
+		from_utf8_unchecked(CStr::from_ptr(avutil_license()).to_bytes())
+	}
+}