From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Fri, 16 Sep 2022 19:00:17 +0000 (+0100)
Subject: It seems the RTSP link can go idle occasionally, so don't do anything drastic until... 
X-Git-Tag: 4.1-rc1~20^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4951b8a7d435baa831aae41e973dcf1405c18594;p=thirdparty%2Fshairport-sync.git

It seems the RTSP link can go idle occasionally, so don't do anything drastic until it comes back, i.e. don't kill everything when it goes idle.
---

diff --git a/rtsp.c b/rtsp.c
index 3477bbe8..8188425e 100644
--- a/rtsp.c
+++ b/rtsp.c
@@ -1281,24 +1281,24 @@ ssize_t read_from_rtsp_connection(rtsp_conn_info *conn, void *buf, size_t count)
       debug(1, "Connection %d: RTSP connection is idle.", conn->connection_number);
       conn->rtsp_link_is_idle = 1;
 #ifdef CONFIG_AIRPLAY_2
-      conn->last_anchor_info_is_valid = 0;
       clear_ptp_clock();
 #endif
-      conn->anchor_remote_info_is_valid = 0;
       conn->udp_clock_sender_is_initialised = 0;
       conn->udp_clock_is_initialised = 0;
     }
     response = timed_read_from_rtsp_connection(conn, 0, buf, count);
   }
   if (conn->rtsp_link_is_idle == 1) {
+    conn->rtsp_link_is_idle = 0;
     debug(1, "Connection %d: RTSP connection traffic has resumed.", conn->connection_number);
+    conn->anchor_remote_info_is_valid = 0;
     conn->local_to_remote_time_difference_measurement_time = 0;
     conn->local_to_remote_time_difference = 0;
-    conn->rtsp_link_is_idle = 0;
     conn->first_packet_timestamp = 0;
     conn->input_frame_rate_starting_point_is_valid = 0;
     ab_resync(conn);
 #ifdef CONFIG_AIRPLAY_2
+    conn->last_anchor_info_is_valid = 0;
     set_client_as_ptp_clock(conn);
 #endif
   }