diff --git a/encode.sh b/encode.sh
index 80be4ff..fb8dd3a 100755
--- a/encode.sh
+++ b/encode.sh
@@ -2,7 +2,13 @@
 
 set -e  ;  set -u
 
+if [ $# == 1 ]
+then
+	srcdir=$1
+else
+	srcdir="essai"
+fi
 
 source ./fonctions.sh
 
-ff_encodage passage wip.mp4
+ff_encodage $srcdir wip.mp4