rtsp: increase the control uri size

Current browsers support up to 2k characters.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

libavformat/rtsp.h

@@ -315,7 +315,7 @@ typedef struct RTSPState {
     /** some MS RTSP streams contain a URL in the SDP that we need to use
      * for all subsequent RTSP requests, rather than the input URI; in
      * other cases, this is a copy of AVFormatContext->filename. */
-    char control_uri[1024];
+    char control_uri[2048];
 
     /** The following are used for parsing raw mpegts in udp */
     //@{