From 39530272c5ab218407e5d7bcca80fd7f608a6eca Mon Sep 17 00:00:00 2001
From: "Sven C. Dack" <sven.c.dack@virginmedia.com>
Date: Wed, 30 Mar 2011 17:02:29 +0200
Subject: [PATCH] Remove a memory allocation and the associated memcpy.

---
 libavdevice/x11grab.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/libavdevice/x11grab.c b/libavdevice/x11grab.c
index be0586a7db..6a674ee6f9 100644
--- a/libavdevice/x11grab.c
+++ b/libavdevice/x11grab.c
@@ -386,10 +386,9 @@ x11grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
         nanosleep(&ts, NULL);
     }
 
-    if (av_new_packet(pkt, s->frame_size) < 0) {
-        return AVERROR(EIO);
-    }
-
+    av_init_packet(pkt);
+    pkt->data = image->data;
+    pkt->size = s->frame_size;
     pkt->pts = curtime;
 
     if(s->use_shm) {
@@ -406,9 +405,6 @@ x11grab_read_packet(AVFormatContext *s1, AVPacket *pkt)
         paint_mouse_pointer(image, s);
     }
 
-
-    /* XXX: avoid memcpy */
-    memcpy(pkt->data, image->data, s->frame_size);
     return s->frame_size;
 }