Index: client/audio.c
===================================================================
RCS file: /home/freeciv/CVS/freeciv/client/audio.c,v
retrieving revision 1.13
diff -u -r1.13 audio.c
--- client/audio.c	2002/08/15 20:24:08	1.13
+++ client/audio.c	2002/09/30 12:34:18
@@ -19,6 +19,8 @@
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <sys/time.h>
+#include <time.h>
 
 #include "audio.h"
 #include "support.h"
@@ -58,6 +60,10 @@
 static int num_plugins_used = 0;
 static int selected_plugin = -1;
 
+static long sec_last_path = 0;
+static long usec_last_path = 0;
+static char last_path[200];
+
 /**********************************************************************
   Returns a static, NULL-terminated list of all sound plugins
   available on the system.  This function is unfortunately similar to
@@ -154,6 +160,7 @@
   audio_none_init();
   assert(num_plugins_used == 1);
   selected_plugin = 0;
+  last_path[0] = '\0';
 
 #ifdef ESD
   audio_esd_init();
@@ -299,6 +306,8 @@
 static bool audio_play_tag(const char *tag, bool repeat)
 {
   char *soundfile, *fullpath = NULL;
+  struct timeval tv;
+  struct timezone tz;
 
   if (!tag || strcmp(tag, "-") == 0) {
     return FALSE;
@@ -315,6 +324,20 @@
 	freelog(LOG_ERROR, _("Cannot find audio file %s"), soundfile);
       }
     }
+  }
+
+  if (fullpath && strlen(fullpath) > 0) {
+    /* see if we should skip this one to avoid too many sounds at once */
+    (void) gettimeofday(&tv, &tz); /* error unthinkable */
+    if ((tv.tv_sec - sec_last_path) * 1000000
+        + (tv.tv_usec - usec_last_path) < 75000
+        && strcmp(last_path, fullpath) == 0) {
+      /* Too fast, ignore it */
+      return TRUE;
+    }
+    sec_last_path = tv.tv_sec;
+    usec_last_path = tv.tv_usec;
+    sz_strlcpy(last_path, fullpath);
   }
 
   return plugins[selected_plugin].play(tag, fullpath, repeat);