From e82e8e0c34c1846e93f1daac056eb2318dfea7ad Mon Sep 17 00:00:00 2001
From: Luis de Bethencourt <luisbg@kernel.org>
Date: Sun, 22 Oct 2017 14:07:19 +0100
Subject: [PATCH] Needless pass by value

Avoid an unnecessary allocation by passing the Caps by reference instead of
by value.

Fixes https://github.com/sdroege/gstreamer-rs/pull/46
Fixes https://github.com/sdroege/gstreamer-rs/issues/45
---
 tutorials/src/bin/basic-tutorial-6.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tutorials/src/bin/basic-tutorial-6.rs b/tutorials/src/bin/basic-tutorial-6.rs
index 7dda01525..7f9ab9fe6 100644
--- a/tutorials/src/bin/basic-tutorial-6.rs
+++ b/tutorials/src/bin/basic-tutorial-6.rs
@@ -3,7 +3,7 @@ use gst::prelude::*;
 use gst::MessageView;
 
 
-fn print_caps(caps: gst::Caps, prefix: &str) {
+fn print_caps(caps: &gst::Caps, prefix: &str) {
     if caps.is_any() {
         println!("{}ANY", prefix);
         return;
@@ -55,7 +55,7 @@ fn print_pad_template_information(factory: &gst::ElementFactory) {
 
         let caps = pad_template.get_caps();
         println!("  Capabilities:");
-        print_caps(caps, "    ");
+        print_caps(&caps, "    ");
     }
 }
 
@@ -67,11 +67,11 @@ fn print_pad_capabilities(element: &gst::Element, pad_name: &str) {
     println!("Caps for the {} pad:", pad_name);
     match pad.get_current_caps() {
         Some(caps) => {
-            print_caps(caps, "      ");
+            print_caps(&caps, "      ");
         }
         None => {
             let caps = pad.query_caps(None).expect("Failed to query caps on pad");
-            print_caps(caps, "      ");
+            print_caps(&caps, "      ");
         }
     }
 }