Index: mozilla/widget/src/gtk2/nsSound.cpp
===================================================================
--- mozilla.orig/widget/src/gtk2/nsSound.cpp	2006-07-27 21:24:12.000000000 +0200
+++ mozilla/widget/src/gtk2/nsSound.cpp	2006-07-27 21:40:46.000000000 +0200
@@ -51,9 +51,15 @@
 #include "nsNetUtil.h"
 #include "nsCOMPtr.h"
 
+#include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 #include <unistd.h>
 
+#include <set>
+
 #include <gtk/gtk.h>
 /* used with esd_open_sound */
 static int esdref = -1;
@@ -105,8 +111,12 @@
     */
     if (mInited) 
         return NS_OK;
-    if (elib) 
-        return NS_OK;
+
+    if(getenv("MOZILLA_AUDIO_HANDLER"))
+        {
+            mInited = PR_TRUE;
+            return NS_OK;
+        }
 
     EsdOpenSoundType EsdOpenSound;
 
@@ -161,6 +171,57 @@
         return aStatus;
     }
 
+    char *audio_handler=getenv("MOZILLA_AUDIO_HANDLER");
+    if(audio_handler)
+        {
+            char err[1024];
+
+#define BACKGROUND_AUDIO 1
+#if BACKGROUND_AUDIO
+            // fork to play audio in background
+            pid_t p=fork();
+            if(p<0)
+                {
+                    // a fork error? something must be really wrong in your unix
+                    snprintf(err, sizeof(err), "could not fork : %s", strerror(errno));
+                    NS_WARNING(err);
+                    return NS_ERROR_FAILURE;
+                }
+            if(p>0)
+                {
+                    // reap some old children
+                    typedef std::set<pid_t> childs_t;
+                    static childs_t childs;
+                    childs_t childs_=childs;
+                    for(childs_t::iterator i=childs_.begin(); i!=childs_.end(); ++i)
+                        if(waitpid(*i, NULL, WNOHANG) == *i)
+                            childs.erase(*i);
+
+                    childs.insert(p); // add new child
+                    return NS_OK;
+                }
+#endif
+
+            FILE *f=popen(audio_handler, "w");
+            if(f)
+                {
+                    fwrite(data, 1, dataLen, f);
+                    pclose(f);
+#if BACKGROUND_AUDIO
+                    _exit(0);   // abort the child process
+#endif
+                    return NS_OK;
+                }
+            snprintf(err, sizeof(err), "could not issue '%s' : %s", audio_handler, strerror(errno));
+            NS_WARNING(err);
+#if BACKGROUND_AUDIO
+            _exit(0);           // abort the child process
+#endif
+            return NS_ERROR_FAILURE;
+        }
+
+#undef BACKGROUND_AUDIO
+
     int fd, mask = 0;
     unsigned long samples_per_sec=0, avg_bytes_per_sec=0;
     unsigned long rate=0;
@@ -285,7 +346,7 @@
     if (!mInited)
         Init();
 
-    if (!elib) 
+    if (!mInited)
 	    return NS_ERROR_FAILURE;
 
     nsCOMPtr<nsIStreamLoader> loader;