loop option (from config file)

git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@1630 8eb893ce-cfd4-0310-b710-fb5ebe64c474

apps/announcement/Announcement.cpp

@@ -39,6 +39,7 @@ EXPORT_SESSION_FACTORY(AnnouncementFactory,MOD_NAME);
 
 string AnnouncementFactory::AnnouncePath;
 string AnnouncementFactory::AnnounceFile;
+bool   AnnouncementFactory::Loop = false;
 
 AnnouncementFactory::AnnouncementFactory(const string& _app_name)
   : AmSessionFactory(_app_name)
@@ -68,6 +69,8 @@ int AnnouncementFactory::onLoad()
     return -1;
   }
 
+  Loop = cfg.getParameter("loop") == "true";
+
   return 0;
 }
 
@@ -158,7 +161,10 @@ void AnnouncementDialog::startSession(){
     ERROR("Couldn't open file %s.\n", filename.c_str());
     throw string("AnnouncementDialog::onSessionStart: Cannot open file\n");
   }
-    
+
+  if (AnnouncementFactory::Loop) 
+    wav_file.loop.set(true);
+
   setOutput(&wav_file);
 }
 

apps/announcement/Announcement.h

@@ -46,6 +46,7 @@ class AnnouncementFactory: public AmSessionFactory
 public:
   static string AnnouncePath;
   static string AnnounceFile;
+  static bool   Loop;
 
   AnnouncementFactory(const string& _app_name);
 

apps/announcement/etc/announcement.conf

@@ -5,3 +5,9 @@ announce_path=/usr/local/lib/sems/audio/
 #CFGOPTION_SEMS_ANNOUNCEMENT
 default_announce=default_en.wav
 #ENDCFGOPTION
+
+# optional parameter: loop
+#  set to "true" to make the announcement loop
+#  (indefinitely)
+#
+# loop=true