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diff --git a/Demo/sgi/video/Vmkjpeg.py b/Demo/sgi/video/Vmkjpeg.py
new file mode 100755
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+++ b/Demo/sgi/video/Vmkjpeg.py
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+#!/ufs/guido/bin/sgi/python
+
+# Compress an rgb or grey video file to jpeg format
+
+
+# Usage:
+#
+# Vmkjpeg [infile [outfile]]
+
+
+# Options:
+#
+# infile     : input file (default film.video)
+# outfile    : output file (default out.video)
+
+
+import sys
+import jpeg
+sys.path.append('/ufs/guido/src/video')
+import VFile
+
+
+# Main program -- mostly command line parsing
+
+def main():
+	args = sys.argv[1:]
+	if len(args) < 1:
+		args.append('film.video')
+	if len(args) < 2:
+		args.append('out.video')
+	if len(args) > 2:
+		sys.stderr.write('usage: Vmkjpeg [infile [outfile]]\n')
+		sys.exit(2)
+	sts = process(args[0], args[1])
+	sys.exit(sts)
+
+
+# Copy one file to another
+
+def process(infilename, outfilename):
+	try:
+		vin = VFile.BasicVinFile().init(infilename)
+	except IOError, msg:
+		sys.stderr.write(infilename + ': I/O error: ' + `msg` + '\n')
+		return 1
+	except VFile.Error, msg:
+		sys.stderr.write(msg + '\n')
+		return 1
+	except EOFError:
+		sys.stderr.write(infilename + ': EOF in video file\n')
+		return 1
+
+	try:
+		vout = VFile.BasicVoutFile().init(outfilename)
+	except IOError, msg:
+		sys.stderr.write(outfilename + ': I/O error: ' + `msg` + '\n')
+		return 1
+
+	info = vin.getinfo()
+	if info[0] == 'rgb':
+		width, height = vin.getsize()
+		bytes = 4
+		format = 'jpeg'
+	elif info[0] == 'grey':
+		width, height = vin.getsize()
+		pf = vin.packfactor
+		width, height = width / pf, height / pf
+		bytes = 1
+		format = 'jpeggrey'
+	else:
+		sys.stderr.write('Vmkjpeg: input not in rgb or grey format\n')
+		return 1
+	info = (format,) + info[1:]
+	vout.setinfo(info)
+	vout.writeheader()
+	n = 0
+	try:
+		while 1:
+			t, data, cdata = vin.getnextframe()
+			n = n + 1
+			sys.stderr.write('Frame ' + `n` + '...')
+			data = jpeg.compress(data, width, height, bytes)
+			vout.writeframe(t, data, None)
+			sys.stderr.write('\n')
+	except EOFError:
+		pass
+	return 0
+
+
+# Don't forget to call the main program
+
+main()