From cf970376df9a54ccd4ffff4776b4050d1b8c968d Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Wed, 5 Nov 2014 11:52:21 +0100
Subject: [PATCH] video-scaler: avoid memcpy when not needed

---
 gst-libs/gst/video/video-scaler.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/gst-libs/gst/video/video-scaler.c b/gst-libs/gst/video/video-scaler.c
index 372e3d8fa4..02b854ccc7 100644
--- a/gst-libs/gst/video/video-scaler.c
+++ b/gst-libs/gst/video/video-scaler.c
@@ -488,14 +488,16 @@ static void
 video_scale_v_near_u32 (GstVideoScaler * scale,
     gpointer srcs[], gpointer dest, guint dest_offset, guint width)
 {
-  orc_memcpy (dest, srcs[0], 4 * width);
+  if (dest != srcs[0])
+    orc_memcpy (dest, srcs[0], 4 * width);
 }
 
 static void
 video_scale_v_near_u64 (GstVideoScaler * scale,
     gpointer srcs[], gpointer dest, guint dest_offset, guint width)
 {
-  orc_memcpy (dest, srcs[0], 8 * width);
+  if (dest != srcs[0])
+    orc_memcpy (dest, srcs[0], 8 * width);
 }
 
 static void