diff --git a/src/util/time.rs b/src/util/time.rs
index 7f3b22a..12039c4 100644
--- a/src/util/time.rs
+++ b/src/util/time.rs
@@ -1,24 +1,28 @@
 use ffi::*;
 use ::Error;
 
+#[inline(always)]
 pub fn current() -> i64 {
 	unsafe {
 		av_gettime() as i64
 	}
 }
 
+#[inline(always)]
 pub fn relative() -> i64 {
 	unsafe {
 		av_gettime_relative() as i64
 	}
 }
 
+#[inline(always)]
 pub fn is_monotonic() -> bool {
 	unsafe {
 		av_gettime_relative_is_monotonic() != 0
 	}
 }
 
+#[inline(always)]
 pub fn sleep(usec: u32) -> Result<(), Error> {
 	unsafe {
 		match av_usleep(usec) {