MT#60403 bandwidth: add support of `b=TIAS:` attr

Add RFC compatible TIAS bandwidth attribute.

Change-Id: Id16d39ca0518215833f26195dc841ced31caeb11

daemon/call.c

@@ -2677,6 +2677,8 @@ static void __call_monologue_init_from_flags(struct call_monologue *ml, struct c
 			ml->sdp_session_bandwidth.rs = flags->session_bandwidth.rs;
 		if (flags->session_bandwidth.ct >= 0)
 			ml->sdp_session_bandwidth.ct = flags->session_bandwidth.ct;
+		if (flags->session_bandwidth.tias >= 0)
+			ml->sdp_session_bandwidth.tias = flags->session_bandwidth.tias;
 	}
 
 	// reset offer ipv4/ipv6/mixed media stats

daemon/sdp.c

@@ -1372,6 +1372,9 @@ new_session:
 				else if (!memcmp(value, "RS:", 3)) {
 					*(media ? &media->bandwidth.rs : &session->bandwidth.rs) = strtol((value + 3), NULL, 10);
 				}
+				else if (!memcmp(value, "TIAS:", 5)) {
+					*(media ? &media->bandwidth.tias : &session->bandwidth.tias) = strtol((value + 5), NULL, 10);
+				}
 				/* CT has only session level */
 				else if (!memcmp(value, "CT:", 3)) {
 					session->bandwidth.ct = strtol((value + 3), NULL, 10);
@@ -3645,6 +3648,8 @@ static void sdp_out_add_bandwidth(GString *out, struct call_monologue *monologue
 			g_string_append_printf(out, "b=RR:%ld\r\n", ms->media->sdp_media_bandwidth.rr);
 		if (ms->media->sdp_media_bandwidth.rs >= 0)
 			g_string_append_printf(out, "b=RS:%ld\r\n", ms->media->sdp_media_bandwidth.rs);
+		if (ms->media->sdp_media_bandwidth.tias >= 0)
+			g_string_append_printf(out, "b=TIAS:%ld\r\n", ms->media->sdp_media_bandwidth.tias);
 	}
 	else {
 		/* sdp bandwidth per session/media level
@@ -3660,6 +3665,8 @@ static void sdp_out_add_bandwidth(GString *out, struct call_monologue *monologue
 			g_string_append_printf(out, "b=RS:%ld\r\n", ms->monologue->sdp_session_bandwidth.rs);
 		if (ms->monologue->sdp_session_bandwidth.ct >= 0)
 			g_string_append_printf(out, "b=CT:%ld\r\n", ms->monologue->sdp_session_bandwidth.ct);
+		if (ms->monologue->sdp_session_bandwidth.tias >= 0)
+			g_string_append_printf(out, "b=TIAS:%ld\r\n", ms->monologue->sdp_session_bandwidth.tias);
 	}
 }
 

include/call.h

@@ -85,6 +85,7 @@ enum message_type {
 		union_var.rr = value; \
 		union_var.rs = value; \
 		union_var.ct = value; \
+		union_var.tias = value; \
 	} while(0)
 
 enum call_media_counted {
@@ -326,7 +327,7 @@ TYPED_GHASHTABLE(subscription_ht, struct call_media, subscription_list, media_di
 		NULL, NULL)
 
 struct session_bandwidth {
-	long as, rr, rs, ct;
+	long as, rr, rs, ct, tias;
 };
 
 struct codec_store {