thi is a really big commit

tools/plot-timing.sh

@@ -16,7 +16,10 @@ fi
 
 # echo "plot timing $sequence" >> WS/log
 
-grep $sequence WS/mp4.timing | tail -3600 | awk 		\
+count=$( grep $sequence WS/mp4.timing | wc -l )
+echo "$count samples for $sequence" | tee -a WS/log
+
+grep $sequence WS/mp4.timing | tail -4000 | awk 		\
 				-v nbframes=$NBFRAMES		\
 '								\
 BEGIN	{							\
@@ -56,7 +59,7 @@ gnuplot	<< __EOC__
 	set term png size $Img_Width,$Img_Height
 	set output "timing.png"
 	set grid
-	set xrange [:400]
+	set xrange [:450]
 	set yrange [0:]
 	set title "Séquence '${sequence}'"
 	set xlabel "numéro de la trame"