rxtx/sdp: direct play url again print

Since the rtpmap line is now generated also for static packet types,
the condition must have been updated to check the packet type rather
than the presence of rtpmap line.

src/utils/sdp.c

@@ -490,18 +490,19 @@ static void
 print_std_rtp_urls(struct sdp *sdp, bool ipv6) {
     const char *const bind_addr = ipv6 ? "[::]" : "0.0.0.0";
     int               port      = 0;
-    if (sdp->audio_index >= 0 &&
-        sdp->stream[sdp->audio_index].rtpmap[0] == '\0') {
-        if (sscanf(sdp_state->stream[sdp->audio_index].media_info, "%*[^ ] %d",
-                   &port) == 1) {
+    int               pt        = 0;
+    if (sdp->audio_index >= 0) {
+        if (sscanf(sdp_state->stream[sdp->audio_index].media_info,
+                   "%*[^ ] %d RTP/AVP %d", &port, &pt) == 2 &&
+            pt < PT_DynRTP_Type96) {
             MSG(NOTICE, "audio can be played directly with rtp://%s:%d\n",
                 bind_addr, port);
         }
     }
-    if (sdp->video_index >= 0 &&
-        sdp->stream[sdp->video_index].rtpmap[0] == '\0') {
-        if (sscanf(sdp_state->stream[sdp->video_index].media_info, "%*[^ ] %d",
-                   &port) == 1) {
+    if (sdp->video_index >= 0) {
+        if (sscanf(sdp_state->stream[sdp->video_index].media_info,
+                    "%*[^ ] %d RTP/AVP %d", &port, &pt) == 2 &&
+            pt < PT_DynRTP_Type96) {
             MSG(NOTICE, "video can be played directly with rtp://%s:%d\n",
                 bind_addr, port);
         }