--- nuv2mpg.orig	Mon Jun 25 21:33:41 2001
+++ nuv2mpg	Thu Oct 28 16:30:47 2004
@@ -1,13 +1,30 @@
 #!/bin/sh
 
+if [ $# = 0 ]; then
+	echo "Usage: $0 <nuvfile>"
+	exit 1
+fi
+name=${1%.nuv}
+
+retval=0
+for PROG in toolame exportvideo mpeg2enc mplex ; do
+    which -s $PROG || retval=$?
+    if [ $retval -ne 0 ]; then
+	echo "Error: could't find '$PROG' on this system." >&2
+	exit 1
+    fi
+done
+
 echo "you have choosen to make a VCD compliant MPEG stream"
 echo "please notice that VBR MPEG streams can have the same"
 echo "visual quality with lower/low bitrates too (like divx)"
 echo ""
 
-nuvplay -e $1.nuv | toolame -s 44100 -b 224 -p 2 -m s /dev/stdin $1.mp2
-exportvideo $1.nuv "|mpeg2enc -b 1152 -G 15 -g 15 -N -o $1.m1v"
-mplex -f 1 -s 2324 -p 1 -o $1.mpg $1.m1v $1.mp2
+nuvplay -e $name.nuv | toolame -s 44.1 -b 224 -p 2 -m s /dev/stdin $name.mp2
+exportvideo -Y 2 $name.nuv | mpeg2enc -f 1 -o $name.m1v
+mplex -f 1 -s 2324 -p 1 -o $name.mpg $name.m1v $name.mp2
+
+which -s vcdimager || exit 2 
 
 echo ""
 echo "Press enter for making a BIN and CUE file from your MPG file or"
@@ -15,11 +32,11 @@
 echo ""
 read enter 
 
-vcdimager -c $1.cue -b $1.bin $1.mpg
+vcdimager -c $name.cue -b $name.bin $name.mpg
 
 echo "you can burn your bin/cue files with cdrdao, simple change the
 echo "device parameter to your cdwriter id and type"
 echo ""
-echo "cdrdao write --eject --device=0,3,0 $1.cue"
+echo "cdrdao write --eject --device=0,3,0 $name.cue"
 echo ""
 echo "have fun"