diff -r 59623bb25c17 -r 6620b7037407 gmyth-stream/gmemcoder/src/gmencoder.c
--- a/gmyth-stream/gmemcoder/src/gmencoder.c	Fri Jun 22 16:14:21 2007 +0100
+++ b/gmyth-stream/gmemcoder/src/gmencoder.c	Tue Jun 26 14:32:33 2007 +0100
@@ -82,7 +82,7 @@
                                            gpointer user_data);
 
 static void     _close_output(GMencoder * self);
-static void     _open_output(GMencoder * self, const gchar * uri);
+static gboolean _open_output(GMencoder * self, const gchar * uri);
 
 static GstElement *_create_source(const gchar * uri);
 static GstElement *_create_pipeline(GMencoder * self,
@@ -437,7 +437,7 @@
 
 
 
-void
+gboolean 
 g_mencoder_setup_stream(GMencoder * self,
                         const gchar * mux_name,
                         const gchar * video_encode,
@@ -454,11 +454,12 @@
     if (priv->ready == TRUE) {
         g_warning
             ("Stream already configured. You need close stream first.");
-        return;
+        return FALSE;
     }
 
     _close_output(self);
-    _open_output(self, out_uri);
+    if (_open_output(self, out_uri) == FALSE)
+        return FALSE;
 
     priv->sources = 0;
     priv->pipe = _create_pipeline(self,
@@ -472,6 +473,7 @@
                                   audio_encode, audio_encode_prop,
                                   audio_rate);
 
+    return (priv->pipe != NULL);
 }
 
 
@@ -856,9 +858,10 @@
     return NULL;
 }
 
-static void
+static gboolean
 _open_output(GMencoder * self, const gchar * uri)
 {
+    gboolean ret = TRUE;
     gchar         **i;
     GMencoderPrivate *priv = G_MENCODER_GET_PRIVATE(self);
 
@@ -867,15 +870,27 @@
         priv->fd = atoi(i[1]);
     } else if (strcmp(i[0], "file") == 0) {
         if (g_file_test (i[1], G_FILE_TEST_EXISTS)) {
-            g_assert (unlink (i[1]) == 0);
+            if (unlink (i[1]) != 0) {
+                g_warning ("Fail to write in : %s", uri);
+                ret = FALSE;
+                goto done;
+            }
         }
         priv->fd = open(i[1], O_WRONLY | O_CREAT | O_TRUNC,
                         S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+        if (priv->fd == -1) {
+            g_warning ("Fail to open : %s", uri);
+            ret = FALSE;
+        }
     } else {
         g_warning("Output uri not supported");
+        ret = FALSE;
     }
 
+done:
     g_strfreev(i);
+    return ret;
 }
 
 static          gboolean