[KSV]

the following code should be sufficient to accomplish this.

@@ -2426,6 +2501,45 @@
 	    }
 	  else
 	    {
+	      char *host = r->Link.hostname.av_len ? r->Link.hostname.av_val : "";
+	      char *pageUrl = r->Link.pageUrl.av_len ? r->Link.pageUrl.av_val : "";
+	      if (strstr(host, "chaturbate.com") || strstr(pageUrl, "chaturbate.com"))
+		{
+		  char pbuf[256], *pend = pbuf + sizeof (pbuf);
+		  char *enc = pbuf, **params = NULL;
+		  AVal av_Command, av_ModelName;
+		  AVal av_CheckPublicStatus = AVC("CheckPublicStatus");
+
+		  strsplit(pageUrl + 7, FALSE, '/', &params);
+		  av_ModelName.av_val = params[1];
+		  av_ModelName.av_len = strlen(params[1]);
+
+		  enc = AMF_EncodeString(enc, pend, &av_CheckPublicStatus);
+		  enc = AMF_EncodeNumber(enc, pend, 0);
+		  *enc++ = AMF_NULL;
+		  enc = AMF_EncodeString(enc, pend, &av_ModelName);
+		  av_Command.av_val = pbuf;
+		  av_Command.av_len = enc - pbuf;
+
+		  SendCustomCommand(r, &av_Command);
+		}
 	      if (r->Link.lFlags & RTMP_LF_PLST)
 	        SendPlaylist(r);
 	      SendPlay(r);

updated package with patch:

http://stream-recorder.com/forum/showpost.php?p=38157&postcount=63

working command line

rtmpdump -r "rtmpe://edge1-a.stream.chaturbate.com/live-edge" -a "live-edge" -f "WIN 11,1,102,55" -W "http://ccstatic.chaturbate.com/static/flash/CBV_2p51.swf" -p "http://chaturbate.com/reddiva/" -C S:AnonymousUser -C S:reddiva -T "m9z#$dO0qe34Rxe@sMYxx%" --live -y "mp4:public-reddiva" -o "mp4_public-reddiva.flv"

RTMPDump v2.4 GIT-2011-12-22 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
WARNING: Trying different position for server digest!
INFO: Connected...
Starting Live Stream
4363.373 kB / 83.33 sec