Initial revision

1 files changed, 79 insertions, 0 deletions

diff --git a/Demo/sgi/video/tv.py b/Demo/sgi/video/tv.py
new file mode 100755
index 0000000..621740c
--- /dev/null
+++ b/Demo/sgi/video/tv.py
@@ -0,0 +1,79 @@
+import string
+
+from socket import *
+from gl import *
+from GL import *
+from DEVICE import *
+from time import millisleep, millitimer
+
+PORT = 5555
+
+PF = 2 # packfactor
+HS = 40 # Header size
+
+def testimage():
+	RGBcolor(0, 0, 0)
+	clear()
+	RGBcolor(0, 255, 0)
+	cmov2i(10, 10)
+	charstr('Waiting...')
+
+def reshape():
+	reshapeviewport()
+	w, h = getsize()
+	ortho2(0, w, 0, h)
+	testimage()
+	return w, h
+
+def main():
+	s = socket(AF_INET, SOCK_DGRAM)
+	s.bind('', PORT)
+
+	foreground()
+	wid = winopen('tv')
+	RGBmode()
+	gconfig()
+	qdevice(ESCKEY)
+
+	oldw, oldh = getsize()
+	ortho2(0, oldw, 0, oldh)
+	testimage()
+
+	t1 = millitimer()
+
+	while 1:
+		if qtest():
+			dev, val = qread()
+			if dev = ESCKEY:
+				winclose(wid)
+				return
+			elif dev = REDRAW:
+				oldw, oldh = reshape()
+		elif s.avail():
+			data = s.recv(17000)
+			header = string.strip(data[:HS])
+			w, h, pf, x1, y1, x2, y2 = eval(header)
+			if (w, h) <> (oldw, oldh):
+				x, y = getorigin()
+				x, y = x-1, y+21 # TWM correction
+				winposition(x, x+w-1, y+oldh-h, y+oldh-1)
+				oldw, oldh = reshape()
+			data2 = data[HS:]
+			dx = (x2-x1+1)/pf
+			dy = (y2-y1+1)/pf
+			data3 = unpackrect(dx, dy, 1, data2)
+			rectzoom(pf, pf)
+			lrectwrite(x1, y1, x1+dx-1, y1+dy-1, data3)
+			t1 = millitimer()
+		else:
+			t2 = millitimer()
+			if t2-t1 >= 5000:
+				testimage()
+				t1 = t2
+			else:
+				millisleep(10)
+
+	winclose(wid)
+	return data
+
+main()