5 files changed, 46 insertions, 2 deletions
diff --git a/pjmedia/include/pjmedia/errno.h b/pjmedia/include/pjmedia/errno.h
index 3b1f7cd3..f14e3599 100644
--- a/pjmedia/include/pjmedia/errno.h
+++ b/pjmedia/include/pjmedia/errno.h
@@ -148,6 +148,11 @@ PJ_BEGIN_DECL
  * Invalid SDP "rtcp" attribute.
  */
 #define PJMEDIA_SDP_EINRTCP	    (PJMEDIA_ERRNO_START+35)    /* 220035 */
+/**
+ * @hideinitializer
+ * Invalid SDP media transport protocol.
+ */
+#define PJMEDIA_SDP_EINPROTO	    (PJMEDIA_ERRNO_START+36)    /* 220036 */
 
 
 /************************************************************
diff --git a/pjmedia/include/pjmedia/stream.h b/pjmedia/include/pjmedia/stream.h
index 4967c380..64082a8b 100644
--- a/pjmedia/include/pjmedia/stream.h
+++ b/pjmedia/include/pjmedia/stream.h
@@ -89,6 +89,7 @@ typedef struct pjmedia_channel pjmedia_channel;
 struct pjmedia_stream_info
 {
     pjmedia_type	type;	    /**< Media type (audio, video)	    */
+    pjmedia_tp_proto	proto;	    /**< Transport protocol (RTP/AVP, etc.) */
     pjmedia_dir		dir;	    /**< Media direction.		    */
     pj_sockaddr		rem_addr;   /**< Remote RTP address		    */
     pj_sockaddr		rem_rtcp;   /**< Optional remote RTCP address. If
diff --git a/pjmedia/include/pjmedia/types.h b/pjmedia/include/pjmedia/types.h
index ed080d27..cf7725df 100644
--- a/pjmedia/include/pjmedia/types.h
+++ b/pjmedia/include/pjmedia/types.h
@@ -68,6 +68,25 @@ typedef enum pjmedia_type
 } pjmedia_type;
 
 
+/** 
+ * Media transport protocol. 
+ */
+typedef enum pjmedia_tp_proto
+{
+    /** No transport type */
+    PJMEDIA_TP_PROTO_NONE = 0,
+
+    /** RTP using A/V profile */
+    PJMEDIA_TP_PROTO_RTP_AVP,
+
+    /** Secure RTP */
+    PJMEDIA_TP_PROTO_RTP_SAVP,
+
+    /** Unknown */
+    PJMEDIA_TP_PROTO_UNKNOWN
+
+} pjmedia_tp_proto;
+
 
 /** 
  * Media direction. 
diff --git a/pjmedia/src/pjmedia/errno.c b/pjmedia/src/pjmedia/errno.c
index c2093430..300cbd44 100644
--- a/pjmedia/src/pjmedia/errno.c
+++ b/pjmedia/src/pjmedia/errno.c
@@ -58,6 +58,7 @@ static const struct
     PJ_BUILD_ERR( PJMEDIA_SDP_EINPT,	    "Invalid SDP payload type in media line" ),
     PJ_BUILD_ERR( PJMEDIA_SDP_EINFMTP,	    "Invalid SDP fmtp attribute" ),
     PJ_BUILD_ERR( PJMEDIA_SDP_EINRTCP,	    "Invalid SDP rtcp attribyte" ),
+    PJ_BUILD_ERR( PJMEDIA_SDP_EINPROTO,	    "Invalid SDP media transport protocol" ),
 
     /* SDP negotiator errors. */
     PJ_BUILD_ERR( PJMEDIA_SDPNEG_EINSTATE,	"Invalid SDP negotiator state for operation" ),
diff --git a/pjmedia/src/pjmedia/session.c b/pjmedia/src/pjmedia/session.c
index d0784a69..5c283354 100644
--- a/pjmedia/src/pjmedia/session.c
+++ b/pjmedia/src/pjmedia/session.c
@@ -53,8 +53,9 @@ static const pj_str_t ID_VIDEO = { "video", 5};
 static const pj_str_t ID_IN = { "IN", 2 };
 static const pj_str_t ID_IP4 = { "IP4", 3};
 static const pj_str_t ID_IP6 = { "IP6", 3};
-/*static const pj_str_t ID_RTP_AVP = { "RTP/AVP", 7 };*/
-/*static const pj_str_t ID_SDP_NAME = { "pjmedia", 7 };*/
+static const pj_str_t ID_RTP_AVP = { "RTP/AVP", 7 };
+static const pj_str_t ID_RTP_SAVP = { "RTP/SAVP", 8 };
+//static const pj_str_t ID_SDP_NAME = { "pjmedia", 7 };
 static const pj_str_t ID_RTPMAP = { "rtpmap", 6 };
 static const pj_str_t ID_TELEPHONE_EVENT = { "telephone-event", 15 };
 
@@ -180,6 +181,8 @@ PJ_DEF(pj_status_t) pjmedia_stream_info_from_sdp(
 	return PJMEDIA_EINVALIMEDIATYPE;
     }
 
+    /* Transport protocol */
+
     /* Transport type must be equal */
     if (pj_stricmp(&rem_m->desc.transport, 
 		   &local_m->desc.transport) != 0) 
@@ -188,6 +191,21 @@ PJ_DEF(pj_status_t) pjmedia_stream_info_from_sdp(
 	return PJMEDIA_SDPNEG_EINVANSTP;
     }
 
+    if (pj_stricmp(&local_m->desc.transport, &ID_RTP_AVP) == 0) {
+
+	si->proto = PJMEDIA_TP_PROTO_RTP_AVP;
+
+    } else if (pj_stricmp(&local_m->desc.transport, &ID_RTP_SAVP) == 0) {
+
+	si->proto = PJMEDIA_TP_PROTO_RTP_SAVP;
+
+    } else {
+
+	si->proto = PJMEDIA_TP_PROTO_UNKNOWN;
+	return PJMEDIA_SDP_EINPROTO;
+    }
+
+
     /* Check address family in remote SDP */
     rem_af = pj_AF_UNSPEC();
     if (pj_stricmp(&rem_conn->net_type, &ID_IN)==0) {