1 files changed, 112 insertions, 0 deletions
diff --git a/Demo/sgi/video/video.py b/Demo/sgi/video/video.py
new file mode 100755
index 0000000..05c6794
--- /dev/null
+++ b/Demo/sgi/video/video.py
@@ -0,0 +1,112 @@
+from gl import *
+from GL import *
+from DEVICE import *
+import time
+import sys
+import al
+import AL
+
+BUFFERSIZE = 32000
+
+class Struct(): pass
+epoch = Struct()
+EndOfFile = 'End of file'
+bye = 'bye'
+
+def openspkr():
+    conf = al.newconfig()
+    conf.setqueuesize(BUFFERSIZE)
+    conf.setwidth(AL.SAMPLE_16)
+    conf.setchannels(AL.MONO)
+    return al.openport('spkr','w',conf)
+def openvideo(name):
+    f = open(name, '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,af,spkr):
+    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
+    data = f.read(size)
+    if len(data) <> size:
+	raise EndOfFile
+    if pf:
+    	rectzoom(pf, pf)
+    	w = w/pf
+    	h = h/pf
+    	data = unpackrect(w, h, 1, data)
+    lrectwrite(0,0,w-1,h-1,data)
+    # This is ugly here, but the only way to get the two
+    # channels started in sync
+    #if af <> None:
+    #	playsound(af,spkr)
+    ct = time.millitimer() - epoch.epoch
+    if tijd > 0 and ct < tijd:
+    	time.millisleep(tijd-ct)
+    swapbuffers()
+    return tijd
+def playsound(af, spkr):
+    nsamp = spkr.getfillable()
+    data = af.read(nsamp*2)
+    spkr.writesamps(data)
+def main():
+    if len(sys.argv) > 1:
+	f, w, h, pf = openvideo(sys.argv[1])
+    else:
+	f, w, h, pf = openvideo('film.video')
+    af = None
+    spkr = None
+    if len(sys.argv) > 2:
+	af = open(sys.argv[2], 'r')
+	spkr = openspkr()
+    if len(sys.argv) > 3:
+	data = af.read(eval(sys.argv[3]))
+	del data
+    foreground()
+    prefsize(w,h)
+    win = winopen('Video player')
+    RGBmode()
+    doublebuffer()
+    gconfig()
+    qdevice(ESCKEY)
+    running = 1
+    epoch.epoch = time.millitimer()
+    nframe = 0
+    tijd = 1
+    try:
+	while 1:
+	    if running:
+		try:
+		    tijd = loadframe(f, w, h, pf, af, spkr)
+		    nframe = nframe + 1
+		except EndOfFile:
+		    running = 0
+		    t = time.millitimer()
+		    if tijd > 0:
+			    print 'Recorded at ', nframe * 1000.0 / tijd,
+			    print 'frames/second (', tijd, 'ms total)'
+		    print 'Played at', nframe * 1000.0 / (t-epoch.epoch),
+		    print 'frames/second'
+	    if af <> None:
+		playsound(af,spkr)
+	    if qtest():
+		if qread() = (ESCKEY,1):
+		    raise bye
+    except bye:
+	pass
+
+main()