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gvanrossumgvanrossum
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Cosmetics, single buffering, block when not running, etc...
1 parent e4bddea commit b51afcc

1 file changed

Lines changed: 62 additions & 46 deletions

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‎Demo/sgi/video/video.py‎

Lines changed: 62 additions & 46 deletions
Original file line numberDiff line numberDiff line change
@@ -19,15 +19,21 @@ def openspkr():
1919
conf.setwidth(AL.SAMPLE_16)
2020
conf.setchannels(AL.MONO)
2121
return al.openport('spkr','w',conf)
22+
2223
def openvideo(name):
23-
f = open(name, 'r')
24+
try:
25+
f = open(name, 'r')
26+
except:
27+
sys.stderr.write(name + ': cannot open\n')
28+
sys.exit(1)
2429
line = f.readline()
2530
if not line: raise EndOfFile
2631
if line[:4] = 'CMIF': line = f.readline()
2732
x = eval(line[:-1])
2833
if len(x) = 3: w, h, pf = x
2934
else: w, h = x; pf = 2
3035
return f, w, h, pf
36+
3137
def loadframe(f,w,h,pf,af,spkr):
3238
line = f.readline()
3339
if line = '':
@@ -57,56 +63,66 @@ def loadframe(f,w,h,pf,af,spkr):
5763
ct = time.millitimer() - epoch.epoch
5864
if tijd > 0 and ct < tijd:
5965
time.millisleep(tijd-ct)
60-
swapbuffers()
66+
#swapbuffers()
6167
return tijd
68+
6269
def playsound(af, spkr):
6370
nsamp = spkr.getfillable()
6471
data = af.read(nsamp*2)
6572
spkr.writesamps(data)
73+
6674
def main():
67-
if len(sys.argv) > 1:
68-
f, w, h, pf = openvideo(sys.argv[1])
69-
else:
70-
f, w, h, pf = openvideo('film.video')
71-
af = None
72-
spkr = None
73-
if len(sys.argv) > 2:
74-
af = open(sys.argv[2], 'r')
75-
spkr = openspkr()
76-
if len(sys.argv) > 3:
77-
data = af.read(eval(sys.argv[3]))
78-
del data
79-
foreground()
80-
prefsize(w,h)
81-
win = winopen('Video player')
82-
RGBmode()
83-
doublebuffer()
84-
gconfig()
85-
qdevice(ESCKEY)
86-
running = 1
87-
epoch.epoch = time.millitimer()
88-
nframe = 0
89-
tijd = 1
90-
try:
91-
while 1:
92-
if running:
93-
try:
94-
tijd = loadframe(f, w, h, pf, af, spkr)
95-
nframe = nframe + 1
96-
except EndOfFile:
97-
running = 0
98-
t = time.millitimer()
99-
if tijd > 0:
100-
print 'Recorded at ', nframe * 1000.0 / tijd,
101-
print 'frames/second (', tijd, 'ms total)'
102-
print 'Played at', nframe * 1000.0 / (t-epoch.epoch),
103-
print 'frames/second'
104-
if af <> None:
105-
playsound(af,spkr)
106-
if qtest():
107-
if qread() = (ESCKEY,1):
108-
raise bye
109-
except bye:
110-
pass
75+
foreground()
76+
if len(sys.argv) > 1:
77+
filename = sys.argv[1]
78+
else:
79+
filename = 'film.video'
80+
f, w, h, pf = openvideo(filename)
81+
if len(sys.argv) > 2:
82+
audiofilename = sys.argv[2]
83+
af = open(audiofilename, 'r')
84+
spkr = openspkr()
85+
if len(sys.argv) > 3:
86+
af.seek(eval(sys.argv[3]))
87+
else:
88+
af, spkr = None, None
89+
prefsize(w,h)
90+
win = winopen(filename)
91+
RGBmode()
92+
#doublebuffer()
93+
gconfig()
94+
qdevice(ESCKEY)
95+
qdevice(WINSHUT)
96+
qdevice(WINQUIT)
97+
running = 1
98+
epoch.epoch = time.millitimer()
99+
nframe = 0
100+
tijd = 1
101+
try:
102+
while 1:
103+
if running:
104+
try:
105+
tijd = loadframe(f, w, h, pf, af, spkr)
106+
nframe = nframe + 1
107+
except EndOfFile:
108+
running = 0
109+
t = time.millitimer()
110+
if tijd > 0:
111+
print 'Recorded at',
112+
print 0.1 * int(nframe * 10000.0 / tijd),
113+
print 'frames/sec'
114+
print 'Played', nframe, 'frames at',
115+
print 0.1 * int(nframe * 10000.0 / (t-epoch.epoch)),
116+
print 'frames/sec'
117+
if af <> None:
118+
playsound(af,spkr)
119+
if not running or qtest():
120+
dev, val = qread()
121+
if dev in (ESCKEY, WINSHUT, WINQUIT):
122+
raise bye
123+
elif dev = REDRAW:
124+
reshapeviewport()
125+
except bye:
126+
pass
111127

112128
main()

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