[asterisk-commits] branch oej/zfonepassthrough r21736 - /team/oej/zfonepassthrough/rtp.c

[asterisk-commits at lists.digium.com]

Author: oej
Date: Wed Apr 19 21:37:29 2006
New Revision: 21736

URL: http://svn.digium.com/view/asterisk?rev=21736&view=rev
Log:
Recognize ZRTP

Modified:
    team/oej/zfonepassthrough/rtp.c

Modified: team/oej/zfonepassthrough/rtp.c
URL: http://svn.digium.com/view/asterisk/team/oej/zfonepassthrough/rtp.c?rev=21736&r1=21735&r2=21736&view=diff
==============================================================================
--- team/oej/zfonepassthrough/rtp.c (original)
+++ team/oej/zfonepassthrough/rtp.c Wed Apr 19 21:37:29 2006
@@ -492,10 +492,19 @@
 	}
 	
 	if (ext) {
+		int profile;
 		/* RTP Extension present */
 		hdrlen += 4;
 		hdrlen += (ntohl(rtpheader[3]) & 0xffff) << 2;
-	}
+		profile = (ntohl(rtpheader[3]) & 0xffff0000) >> 16;
+		if (profile == 0x505a)
+			ast_log(LOG_DEBUG, "Found Zfone extension in RTP stream - zrtp (not yet supported)\n");
+		else
+			ast_log(LOG_DEBUG, "Found RTP Extension %x\n", profile);
+
+		
+	}
+	
 
 	if (res < hdrlen) {
 		ast_log(LOG_WARNING, "RTP Read too short (%d, expecting %d)\n", res, hdrlen);