Index: dlls/amstream/amstream.c
===================================================================
RCS file: /home/wine/wine/dlls/amstream/amstream.c,v
retrieving revision 1.19
diff -u -r1.19 amstream.c
--- dlls/amstream/amstream.c	27 Jun 2007 14:13:23 -0000	1.19
+++ dlls/amstream/amstream.c	28 Mar 2008 00:07:48 -0000
@@ -144,9 +144,18 @@
 {
     IAMMultiMediaStreamImpl *This = (IAMMultiMediaStreamImpl *)iface;
 
-    FIXME("(%p/%p)->(%ld,%p) stub!\n", This, iface, Index, ppMediaStream); 
+    TRACE("(%p/%p)->(%d,%p)\n", This, iface, Index, ppMediaStream);
 
-    return E_NOTIMPL;
+    /* check out of range */
+    if(Index < 0 || Index >= This->nbStreams)
+        return S_FALSE;
+    /* NULL pointer */
+    if(!(*ppMediaStream))
+        return E_POINTER;
+    
+    *ppMediaStream = This->pStreams[Index];
+    
+    return S_OK;
 }