Add call to check if the dbus service is started.

activity_monitor.c

@@ -67,13 +67,18 @@ void going_active(int block) {
 #endif
 
 #ifdef CONFIG_DBUS_INTERFACE
+  if (dbus_service_is_running())
     shairport_sync_set_active(SHAIRPORT_SYNC(shairportSyncSkeleton), TRUE);
 #endif
 
   if (config.disable_standby_mode == disable_standby_while_active) {
-    config.keep_dac_busy = 1;
 #ifdef CONFIG_DBUS_INTERFACE
+  if (dbus_service_is_running())
     shairport_sync_set_disable_standby(SHAIRPORT_SYNC(shairportSyncSkeleton), TRUE);
+  else
+    config.keep_dac_busy = 1;    
+#else
+    config.keep_dac_busy = 1;
 #endif
   }
 }
@@ -89,13 +94,18 @@ void going_inactive(int block) {
 #endif
 
 #ifdef CONFIG_DBUS_INTERFACE
+  if (dbus_service_is_running())
     shairport_sync_set_active(SHAIRPORT_SYNC(shairportSyncSkeleton), FALSE);
 #endif
 
   if (config.disable_standby_mode == disable_standby_while_active) {
-    config.keep_dac_busy = 0;
 #ifdef CONFIG_DBUS_INTERFACE
+  if (dbus_service_is_running())
     shairport_sync_set_disable_standby(SHAIRPORT_SYNC(shairportSyncSkeleton), FALSE);
+  else
+    config.keep_dac_busy = 0;  
+#else
+  config.keep_dac_busy = 0;  
 #endif
   }
 }

audio_alsa.c

@@ -1533,7 +1533,12 @@ void alsa_buffer_monitor_thread_cleanup_function(__attribute__((unused)) void
 */
 
 void *alsa_buffer_monitor_thread_code(__attribute__((unused)) void *arg) {
+  int okb = -1;
   while (1) {
+    if (okb != config.keep_dac_busy) {
+      debug(1,"keep_dac_busy is now %d",config.keep_dac_busy);
+      okb = config.keep_dac_busy;
+    }
     if ((config.keep_dac_busy != 0) && (alsa_device_initialised == 0)) {
       debug(2, "alsa: alsa_buffer_monitor_thread_code() calling "
                "do_alsa_device_init_if_needed.");

dbus-service.c

@@ -15,6 +15,8 @@
 
 #include "dbus-service.h"
 
+int service_is_running = 0;
+
 ShairportSyncDiagnostics *shairportSyncDiagnosticsSkeleton = NULL;
 ShairportSyncRemoteControl *shairportSyncRemoteControlSkeleton = NULL;
 ShairportSyncAdvancedRemoteControl *shairportSyncAdvancedRemoteControlSkeleton = NULL;
@@ -841,6 +843,7 @@ static void on_dbus_name_acquired(GDBusConnection *connection, const gchar *name
 
   debug(1, "Shairport Sync native D-Bus service started at \"%s\" on the %s bus.", name,
         (config.dbus_service_bus_type == DBT_session) ? "session" : "system");
+  service_is_running = 1;
 }
 
 static void on_dbus_name_lost_again(__attribute__((unused)) GDBusConnection *connection,
@@ -887,4 +890,9 @@ void stop_dbus_service() {
     g_bus_unown_name(ownerID);
   else
     debug(1, "Zero OwnerID for \"org.gnome.ShairportSync\".");
+  service_is_running  = 0;
+}
+
+int dbus_service_is_running() {
+  return service_is_running;
 }

dbus-service.h

@@ -7,5 +7,6 @@ ShairportSync *shairportSyncSkeleton;
 
 int start_dbus_service();
 void stop_dbus_service();
+int dbus_service_is_running();
 
 #endif /* #ifndef DBUS_SERVICE_H */