SAT>IP: Do not enable the second RTSP SHUTDOWN sequence by default

docs/html/config_tvadapters.html

@@ -85,6 +85,9 @@ setting this to 100.</dd>
 <p>
   <dt><b>PIDs in setup</b></dt>
   <dd>Enable, if the SAT>IP box requires pids=0 parameter in the SETUP RTSP command.</dd>
+<p>
+  <dt><b>Double RTSP Shutdown</b></dt>
+  <dd>Enable, if the SAT>IP box might require to send twice the RTSP SHUTDOWN command.</dd>
 <p>
   <dt><b>Force pilot for DVB-S2</b></dt>
   <dd>Enable, if the SAT>IP box requiest plts=on parameter in the SETUP RTSP

src/input/mpegts/satip/satip.c

@@ -180,6 +180,13 @@ const idclass_t satip_device_class =
       .opts     = PO_ADVANCED,
       .off      = offsetof(satip_device_t, sd_pids0),
     },
+    {
+      .type     = PT_BOOL,
+      .id       = "shutdown2",
+      .name     = "Double RTSP Shutdown",
+      .opts     = PO_ADVANCED,
+      .off      = offsetof(satip_device_t, sd_shutdown2),
+    },
     {
       .type     = PT_BOOL,
       .id       = "piloton",

src/input/mpegts/satip/satip_frontend.c

@@ -1474,6 +1474,7 @@ new_tune:
       }
     }
     /* for sure - the second sequence */
+    if (lfe->sf_device->sd_shutdown2) {
       r = rtsp_teardown(rtsp, (char *)b, NULL);
       if (r < 0) {
         tvhtrace("satip", "%s - bad teardown2", buf);
@@ -1495,6 +1496,7 @@ new_tune:
         }
       }
     }
+  }
 
 done:
   pthread_mutex_lock(&lfe->sf_dvr_lock);

src/input/mpegts/satip/satip_private.h

@@ -82,6 +82,7 @@ struct satip_device
   int                        sd_sig_scale;
   int                        sd_pids0;
   int                        sd_pilot_on;
+  int                        sd_shutdown2;
   int                        sd_dbus_allow;
   pthread_mutex_t            sd_tune_mutex;
 };