Standardize indentation to 8 chars; remove redundant "saveframe";

add -s (short listing) option; don't print space after tab;
print data size in bytes and whether it
is a color image.

Demo/sgi/video/vinfo.py

@@ -11,43 +11,43 @@ EndOfFile = 'End of file'
 bye = 'bye'
 
 def openvideo(filename):
-    f = open(filename, 'r')
-    line = f.readline()
-    if not line: raise EndOfFile
-    if line[:4] == 'CMIF': line = f.readline()
-    x = eval(line[:-1])
-    if len(x) == 3: w, h, pf = x
-    else: w, h = x; pf = 2
-    return f, w, h, pf
+	f = open(filename, 'r')
+	line = f.readline()
+	if not line: raise EndOfFile
+	if line[:4] == 'CMIF': line = f.readline()
+	x = eval(line[:-1])
+	if len(x) == 3: w, h, pf = x
+	else: w, h = x; pf = 2
+	return f, w, h, pf
 
 def loadframe(f, w, h, pf):
-    line = f.readline()
-    if line == '':
-	raise EndOfFile
-    x = eval(line[:-1])
-    if type(x) == type(0) or type(x) == type(0.0):
-    	tijd = x
-    	if pf == 0:
-    		size = w*h*4
-    	else:
-    		size = (w/pf) * (h/pf)
-    else:
-    	tijd, size = x
-    f.seek(size, 1)
-    return tijd
-
-def saveframe(name, w, h, tijd, data):
-    f = open(name, 'w')
-    f.write(`w,h` + '\n')
-    f.write(`tijd` + '\n')
-    f.write(data)
-    f.close()
+	line = f.readline()
+	if line == '':
+		raise EndOfFile
+	x = eval(line[:-1])
+	if type(x) == type(0) or type(x) == type(0.0):
+		tijd = x
+		if pf == 0:
+			size = w*h*4
+		else:
+			size = (w/pf) * (h/pf)
+	else:
+		tijd, size = x
+	f.seek(size, 1)
+	return tijd
 
 def main():
 	delta = 0
-	opts, names = getopt.getopt(sys.argv[1:], 'd')
+	short = 0
+	try:
+		opts, names = getopt.getopt(sys.argv[1:], 'ds')
+	except getopt.error, msg:
+		sys.stderr.write(msg + '\n')
+		sys.stderr.write('usage: vinfo [-d] [-s] [file] ...\n')
+		sys.exit(2)
 	for opt, arg in opts:
-		if opt == '-d': delta = 1
+		if opt == '-d': delta = 1	# print delta between frames
+		elif opt == '-s': short = 1	# short: don't print times
 	if names == []:
 		names = ['film.video']
 	for name in names:
@@ -56,15 +56,21 @@ def main():
 	    except:
 	    	sys.stderr.write(name + ': cannot open\n')
 	    	continue
-	    print name, ':', w, 'x', h, '; pf =', pf
+	    if pf == 0:
+	        size = w*h*4
+	    else:
+	        size = (w/pf) * (h/pf)
+	    print name, ':', w, 'x', h, '; pf =', pf, ', size =', size,
+	    if pf == 0: print '(color)',
+	    print
 	    num = 0
 	    try:
 	    	otijd = 0
-		while 1:
+		while not short:
 		    try:
 			tijd = loadframe(f, w, h, pf)
-			if delta: print '\t', tijd-otijd,
-			else: print '\t', tijd,
+			if delta: print '\t' + `tijd-otijd`,
+			else: print '\t' + `tijd`,
 			otijd = tijd
 			num = num + 1
 			if num % 8 == 0: