1 files changed, 0 insertions, 115 deletions
diff --git a/Demo/sgi/video/statit.py b/Demo/sgi/video/statit.py
deleted file mode 100755
index b0c1782..0000000
--- a/Demo/sgi/video/statit.py
+++ /dev/null
@@ -1,115 +0,0 @@
-import sys
-from time import millitimer
-
-def main():
-	filename = 'film2.video'
-	if sys.argv[1:]: filename = sys.argv[1]
-	f = open(filename, 'r')
-
-	line = f.readline()
-	w, h = eval(line[:-1])
-	w2, h2 = w/2, h/2
-	size = w2 * h2
-
-	data = data2 = t = t0 = t1 = None
-	nframes = 0
-	t0 = millitimer()
-	while 1:
-		line = f.readline()
-		if not line: break
-		t = eval(line[:-1])
-		data = None
-		data = f.read(size)
-		if len(data) <> size:
-			raise EOFError
-		dostat(w2, h2, data)
-		nframes = nframes+1
-	t1 = millitimer()
-	
-	t = 0.001 * (t1-t0)
-	fps = 0.1 * int(10*nframes/t)
-	print nframes, 'frames in', t, 'sec. =', fps, 'frames/sec.'
-
-def dostat(w, h, data):
-	print
-	stat3(w, h, data)
-
-# Statistic op 1: frequencies of byte values
-def stat1(w, h, data):
-	bins = [0]*256
-	for c in data:
-		i = ord(c)
-		bins[i] = bins[i]+1
-	prbins(bins)
-
-def prbins(bins):
-	import string
-	s = ''
-	tot = 0
-	for i in range(256):
-		tot = tot + bins[i]
-		s = s + string.rjust(`bins[i]`, 4)
-		if len(s) >= 4*16:
-			print s, string.rjust(`tot`, 7)
-			s = ''
-			tot = 0
-
-# Statistic op 2: run lengths
-def stat2(w, h, data):
-	runs = []
-	for y in range(h):
-		count, value = 0, ord(data[y*w])
-		for c in data[y*w : y*w+w]:
-			i = ord(c)
-			if i <> value:
-				runs.append(count, value)
-				count, value = 0, i
-			count = count+1
-		runs.append(count, value)
-	print len(runs), 'runs =', 0.1 * (10*w*h/len(runs)), 'bytes/run'
-
-# Statistic op 3: frequencies of byte differences
-def stat3(w, h, data):
-	bins = [0]*256
-	prev = 0
-	for c in data:
-		i = ord(c)
-		delta = divmod(i-prev, 256)[1]
-		prev = i
-		bins[delta] = bins[delta]+1
-	prbins(bins)
-
-# Try packing
-def packblock(w, h, data):
-	res = ''
-	for y in range(h):
-		res = res + packline(data[y*w : y*w+w])
-	return res
-
-def packline(line):
-	bytes = []
-	for c in line:
-		bytes.append(ord(c))
-	prev = bytes[0]
-	i, n = 1, len(bytes)
-	while i < n:
-		for pack in (0, 2, 4, 8):
-			if pack == 0:
-				lo, hi = 0, 0
-			else:
-				hi = pow(2, pack-1)-1
-				lo = -hi-1
-			p = prev
-			j = i
-			count = 0
-			while j < n:
-				x = bytes[j]
-				delta = byte(x-p)
-				if not lo <= delta <= hi:
-					break
-				p = x
-				j = j+1
-
-def byte(x): return divmod(x, 256)[1]
-
-main()