MT#56521 add reference to plain RTP protocol

For each SRTP protocol known, add a reference to the matching plain RTP
protocol,

Change-Id: I07da626f9ba80bac009deff2f30459c0998b1ef6

daemon/media_socket.c

@@ -121,6 +121,7 @@ const struct transport_protocol transport_protocols[] = {
 		.avpf_proto	= PROTO_RTP_SAVPF,
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVP,
 		.avpf		= 0,
 		.tcp		= 0,
 	},
@@ -138,6 +139,7 @@ const struct transport_protocol transport_protocols[] = {
 		.name		= "RTP/SAVPF",
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVPF,
 		.avpf		= 1,
 		.tcp		= 0,
 	},
@@ -147,6 +149,7 @@ const struct transport_protocol transport_protocols[] = {
 		.avpf_proto	= PROTO_UDP_TLS_RTP_SAVPF,
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVP,
 		.avpf		= 0,
 		.tcp		= 0,
 	},
@@ -155,6 +158,7 @@ const struct transport_protocol transport_protocols[] = {
 		.name		= "UDP/TLS/RTP/SAVPF",
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVPF,
 		.avpf		= 1,
 		.tcp		= 0,
 	},
@@ -172,6 +176,7 @@ const struct transport_protocol transport_protocols[] = {
 		.avpf_proto	= PROTO_RTP_SAVPF_OSRTP,
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVP,
 		.osrtp		= 1,
 		.avpf		= 0,
 		.tcp		= 0,
@@ -181,6 +186,7 @@ const struct transport_protocol transport_protocols[] = {
 		.name		= "RTP/AVPF",
 		.rtp		= 1,
 		.srtp		= 1,
+		.rtp_proto	= PROTO_RTP_AVPF,
 		.osrtp		= 1,
 		.avpf		= 1,
 		.tcp		= 0,

include/media_socket.h

@@ -48,6 +48,7 @@ struct transport_protocol {
 	const char			*name;
 	enum transport_protocol_index	avpf_proto;
 	enum transport_protocol_index	osrtp_proto;
+	enum transport_protocol_index	rtp_proto;
 	unsigned int			rtp:1; /* also set to 1 for SRTP */
 	unsigned int			srtp:1;
 	unsigned int			osrtp:1;