Merge commit 'a4903911'

* commit 'a4903911':
  rtmpproto: Ignore errors from the getStreamLength method

Conflicts:
	libavformat/rtmpproto.c

See: 09711545Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/rtmpproto.c

@@ -1822,10 +1822,8 @@ static int handle_invoke_error(URLContext *s, RTMPPacket *pkt)
             /* Gracefully ignore Adobe-specific historical artifact errors. */
             level = AV_LOG_WARNING;
             ret = 0;
-        } else if (rt->live &&
-                   tracked_method &&
-                   !strcmp(tracked_method, "getStreamLength")) {
-            level = AV_LOG_DEBUG;
+        } else if (tracked_method && !strcmp(tracked_method, "getStreamLength")) {
+            level = rt->live ? AV_LOG_DEBUG : AV_LOG_WARNING;
             ret = 0;
         } else if (tracked_method && !strcmp(tracked_method, "connect")) {
             ret = handle_connect_error(s, tmpstr);