Index: sys/videosink/gstxvimage.c
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/sys/videosink/gstxvimage.c,v
retrieving revision 1.5
diff -u -u -r1.5 gstxvimage.c
--- sys/videosink/gstxvimage.c	14 Sep 2002 13:25:43 -0000	1.5
+++ sys/videosink/gstxvimage.c	3 Nov 2002 05:30:34 -0000
@@ -26,6 +26,7 @@
 
 #include <X11/extensions/Xv.h>
 #include <X11/extensions/Xvlib.h>
+#include <string.h>
 
 #include "gstvideosink.h"
 
@@ -375,6 +376,21 @@
 static void
 gst_xvimage_open_conn (GstImageConnection *conn, GstImageInfo *info)
 {
+  const GstXvConnection * const xvconn = gst_xv_connection (conn);
+  Display * const display = xvconn->display;
+  const XvPortID port = xvconn->port;
+  
+  int i, count;
+  const XvAttribute * const attr = XvQueryPortAttributes(display, port, &count);
+  static const char autopaint[] = "XV_AUTOPAINT_COLORKEY";
+
+  for (i = 0; i < count; ++i)
+    if (!strcmp(attr[i].name, autopaint))
+      {
+	const Atom atom = XInternAtom(display, autopaint, False);
+	XvSetPortAttribute(display, port, atom, 1);
+	break;
+      }
 }
 static void
 gst_xvimage_close_conn (GstImageConnection *conn, GstImageInfo *info)
Index: sys/xvideo/gstxvimage.c
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/sys/xvideo/gstxvimage.c,v
retrieving revision 1.13
diff -u -u -r1.13 gstxvimage.c
--- sys/xvideo/gstxvimage.c	22 Sep 2002 00:44:21 -0000	1.13
+++ sys/xvideo/gstxvimage.c	3 Nov 2002 05:30:35 -0000
@@ -170,6 +170,20 @@
         im_port = ai[i].base_id;
         im_adaptor = i;
 
+	{
+	  int count;
+	  const XvAttribute * const attr = XvQueryPortAttributes(display, im_port, &count);
+	  static const char autopaint[] = "XV_AUTOPAINT_COLORKEY";
+
+	  for (j = 0; j < count; ++j)
+	    if (!strcmp(attr[j].name, autopaint))
+	      {
+		const Atom atom = XInternAtom(display, autopaint, False);
+		XvSetPortAttribute(display, im_port, atom, 1);
+		break;
+	      }
+	}
+
         /* *** image scaler port *** */
         fo = XvListImageFormats(display, im_port, &formats);