rtmp: Display a verbose message when an unknown packet type is received

Signed-off-by: Martin Storsjö <martin@martin.st>

libavformat/rtmpproto.c

@@ -937,6 +937,9 @@ static int rtmp_parse_result(URLContext *s, RTMPContext *rt, RTMPPacket *pkt)
                 return ret;
         }
         break;
+    default:
+        av_log(s, AV_LOG_VERBOSE, "Unknown packet type received 0x%02X\n", pkt->type);
+        break;
     }
     return 0;
 }