Index: libogmrip/ogmrip-encoding.c
===================================================================
--- libogmrip/ogmrip-encoding.c	(révision 2042)
+++ libogmrip/ogmrip-encoding.c	(copie de travail)
@@ -665,7 +665,7 @@
   encoding->priv->copy_dvd = TRUE;
 
 #ifdef HAVE_SYSCONF_NPROC
-  encoding->priv->threads = 0;
+  encoding->priv->threads = sysconf (_SC_NPROCESSORS_ONLN);
 #else
   encoding->priv->threads = 1;
 #endif
@@ -2124,7 +2124,6 @@
 
   gchar *output;
   guint start_delay, num, denom;
-  gint threads;
 
   output = ogmrip_fs_mktemp ("video.XXXXXX", error);
   if (!output)
@@ -2140,14 +2139,7 @@
   ogmrip_codec_set_progressive (OGMRIP_CODEC (spawn), encoding->priv->progressive);
   ogmrip_codec_set_telecine (OGMRIP_CODEC (spawn), encoding->priv->telecine);
 
-  threads = encoding->priv->threads;
-
-#ifdef HAVE_SYSCONF_NPROC
-  if (!threads)
-    threads = sysconf (_SC_NPROCESSORS_ONLN);
-#endif
-
-  ogmrip_video_codec_set_threads (OGMRIP_VIDEO_CODEC (spawn), threads);
+  ogmrip_video_codec_set_threads (OGMRIP_VIDEO_CODEC (spawn), encoding->priv->threads);
   ogmrip_video_codec_set_passes  (OGMRIP_VIDEO_CODEC (spawn), encoding->priv->passes);
   ogmrip_video_codec_set_quality (OGMRIP_VIDEO_CODEC (spawn), encoding->priv->preset);
   ogmrip_video_codec_set_denoise (OGMRIP_VIDEO_CODEC (spawn), encoding->priv->denoise);
@@ -3912,10 +3904,7 @@
 {
   g_return_if_fail (OGMRIP_IS_ENCODING (encoding));
   g_return_if_fail (!OGMRIP_ENCODING_IS_RUNNING (encoding));
-
-#ifndef HAVE_SYSCONF_NPROC
   g_return_if_fail (threads > 0);
-#endif
 
   encoding->priv->threads = threads;
 }
Index: src/ogmrip-main.c
===================================================================
--- src/ogmrip-main.c	(révision 2042)
+++ src/ogmrip-main.c	(copie de travail)
@@ -916,6 +916,8 @@
     ogmrip_encoding_set_bitrate (encoding, g_value_get_int (value));
   else if (g_str_equal (key, OGMRIP_GCONF_VIDEO_QUANTIZER))
     ogmrip_encoding_set_quantizer (encoding, g_value_get_double (value));
+  else if (g_str_equal (key, OGMRIP_GCONF_THREADS))
+    ogmrip_encoding_set_threads (encoding, g_value_get_int (value));
   else if (g_str_equal (key, OGMRIP_GCONF_CONTAINER_FORMAT))
   {
     /*
@@ -1128,6 +1130,8 @@
     ogmrip_encoding_set_video_codec_type (encoding, video_codec_type, NULL);
 
     ogmrip_settings_set_property_from_key (settings, G_OBJECT (encoding),
+        "threads", OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_THREADS);
+    ogmrip_settings_set_property_from_key (settings, G_OBJECT (encoding),
         "keep-tmp-files", OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_KEEP_TMP);
     ogmrip_settings_set_property_from_key (settings, G_OBJECT (encoding),
         "copy-dvd", OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_COPY_DVD);
Index: src/ogmrip-pref-dialog.c
===================================================================
--- src/ogmrip-pref-dialog.c	(révision 2042)
+++ src/ogmrip-pref-dialog.c	(copie de travail)
@@ -275,6 +275,10 @@
   ogmrip_settings_bind (settings,
       OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_AFTER_ENC, G_OBJECT (widget), "active");
 
+  widget = glade_xml_get_widget (xml, "threads-spin");
+  ogmrip_settings_bind (settings,
+      OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_THREADS, G_OBJECT (widget), "value");
+
   widget = glade_xml_get_widget (xml, "keep-tmp-check");
   ogmrip_settings_bind (settings,
       OGMRIP_GCONF_ADVANCED, OGMRIP_GCONF_KEEP_TMP, G_OBJECT (widget), "active");
@@ -298,17 +302,6 @@
   gtk_file_chooser_set_action (GTK_FILE_CHOOSER (widget), 
       GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
 
-#ifndef HAVE_SYSCONF_NPROC
-  widget = glade_xml_get_widget (xml, "threads-label");
-  gtk_widget_show (widget);
-
-  widget = glade_xml_get_widget (xml, "threads-spin");
-  gtk_widget_show (widget);
-
-  ogmrip_settings_bind (settings, OGMRIP_GCONF_ADVANCED,
-      OGMRIP_GCONF_THREADS, G_OBJECT (widget), "value");
-#endif
-
   g_object_unref (xml);
 }
 
Index: src/ogmrip-gconf.c
===================================================================
--- src/ogmrip-gconf.c	(révision 2042)
+++ src/ogmrip-gconf.c	(copie de travail)
@@ -16,6 +16,10 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include "ogmrip-fs.h"
 #include "ogmrip-gconf.h"
 #include "ogmrip-helper.h"
@@ -24,6 +28,7 @@
 #include "ogmrip-gconf-settings.h"
 
 #include <string.h>
+#include <unistd.h>
 
 OGMRipSettings *settings;
 
@@ -122,8 +127,14 @@
       g_param_spec_int (OGMRIP_GCONF_CHAPTER_LANG, NULL, NULL, 0, G_MAXINT, OGMRIP_DEFAULT_CHAPTER_LANG, G_PARAM_READWRITE));
   ogmrip_settings_install_key (settings,
       g_param_spec_int (OGMRIP_GCONF_AFTER_ENC, NULL, NULL, 0, 3, OGMRIP_DEFAULT_AFTER_ENC, G_PARAM_READWRITE));
+
+#ifdef HAVE_SYSCONF_NPROC
   ogmrip_settings_install_key (settings,
+      g_param_spec_int (OGMRIP_GCONF_THREADS, NULL, NULL, 1, G_MAXINT, sysconf (_SC_NPROCESSORS_ONLN), G_PARAM_READWRITE));
+#else
+  ogmrip_settings_install_key (settings,
       g_param_spec_int (OGMRIP_GCONF_THREADS, NULL, NULL, 1, G_MAXINT, OGMRIP_DEFAULT_THREADS, G_PARAM_READWRITE));
+#endif
 
   ogmrip_settings_install_key (settings,
       g_param_spec_boolean (OGMRIP_GCONF_COPY_DVD, NULL, NULL, OGMRIP_DEFAULT_COPY_DVD, G_PARAM_READWRITE));
Index: data/ogmrip-pref.glade
===================================================================
--- data/ogmrip-pref.glade	(révision 2042)
+++ data/ogmrip-pref.glade	(copie de travail)
@@ -410,6 +410,7 @@
                             </child>
                             <child>
                               <widget class="GtkLabel" id="threads_label">
+                                <property name="visible">True</property>
                                 <property name="xalign">0</property>
                                 <property name="label" translatable="yes">_Threads:</property>
                                 <property name="use_underline">True</property>
@@ -424,6 +425,7 @@
                             </child>
                             <child>
                               <widget class="GtkSpinButton" id="threads-spin">
+                                <property name="visible">True</property>
                                 <property name="can_focus">True</property>
                                 <property name="adjustment">1 1 100 1 10 0</property>
                                 <property name="climb_rate">1</property>