- live555: toggle TCP use when we receive a '461 Unsupported Transport' during SETUP request

modules/demux/live555.cpp

@@ -601,12 +601,18 @@ static int SessionsSetup( demux_t *p_demux )
             {
                 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
                                                    b_rtsp_tcp ? True : False ) ) )
+                {
+                    /* if we get an unsupported transport error, toggle TCP use and try again */
+                    if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
+                     || !( p_sys->rtsp->setupMediaSubsession( *sub, False,
+                                                   b_rtsp_tcp ? False : True ) ) )
                     {
                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
                                  sub->codecName(), p_sys->env->getResultMsg() );
                         continue;
                     }
                 }
+            }
 
             /* Check if we will receive data from this subsession for this track */
             if( sub->readSource() == NULL ) continue;