Use AsRef<Path> for file path

src/media.rs

@@ -5,7 +5,8 @@
 use ffi;
 use ::{Instance, EventManager};
 use ::enums::{State, Meta, TrackType};
-use ::tools::{to_cstr, from_cstr};
+use ::tools::{to_cstr, from_cstr, path_to_cstr};
+use std::path::Path;
 
 pub struct Media {
     pub ptr: *mut ffi::libvlc_media_t,
@@ -27,8 +28,11 @@ impl Media {
     }
 
     /// Create a media for a certain file path. 
-    pub fn new_path(instance: &Instance, path: &str) -> Option<Media> {
-        let cstr = to_cstr(path);
+    pub fn new_path<T: AsRef<Path>>(instance: &Instance, path: T) -> Option<Media> {
+        let cstr = match path_to_cstr(path.as_ref()) {
+            Ok(s) => s,
+            Err(_) => { return None; },
+        };
         
         unsafe{
             let p = ffi::libvlc_media_new_path(instance.ptr, cstr.as_ptr());

src/tools.rs

@@ -2,7 +2,8 @@
 // This file is part of vlc-rs.
 // Licensed under the MIT license, see the LICENSE file.
 
-use std::ffi::{CString, CStr};
+use std::ffi::{CString, CStr, NulError};
+use std::path::Path;
 use std::borrow::Cow;
 use libc::c_char;
 
@@ -33,3 +34,10 @@ pub unsafe fn from_cstr_ref<'a>(p: *const c_char) -> Option<Cow<'a, str>> {
         Some(cstr.to_string_lossy())
     }
 }
+
+// Create CString from &Path
+pub fn path_to_cstr(path: &Path) -> Result<CString, NulError> {
+    let path = try!(CString::new(path.to_string_lossy().into_owned()));
+    
+    Ok(path)
+}