diff options
| -rwxr-xr-x | Demo/sgi/video/video.py | 108 |
1 files changed, 62 insertions, 46 deletions
diff --git a/Demo/sgi/video/video.py b/Demo/sgi/video/video.py index 05c6794..ec135af 100755 --- a/Demo/sgi/video/video.py +++ b/Demo/sgi/video/video.py @@ -19,8 +19,13 @@ def openspkr(): conf.setwidth(AL.SAMPLE_16) conf.setchannels(AL.MONO) return al.openport('spkr','w',conf) + def openvideo(name): - f = open(name, 'r') + try: + f = open(name, 'r') + except: + sys.stderr.write(name + ': cannot open\n') + sys.exit(1) line = f.readline() if not line: raise EndOfFile if line[:4] = 'CMIF': line = f.readline() @@ -28,6 +33,7 @@ def openvideo(name): 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 = '': @@ -57,56 +63,66 @@ def loadframe(f,w,h,pf,af,spkr): ct = time.millitimer() - epoch.epoch if tijd > 0 and ct < tijd: time.millisleep(tijd-ct) - swapbuffers() + #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 + foreground() + if len(sys.argv) > 1: + filename = sys.argv[1] + else: + filename = 'film.video' + f, w, h, pf = openvideo(filename) + if len(sys.argv) > 2: + audiofilename = sys.argv[2] + af = open(audiofilename, 'r') + spkr = openspkr() + if len(sys.argv) > 3: + af.seek(eval(sys.argv[3])) + else: + af, spkr = None, None + prefsize(w,h) + win = winopen(filename) + RGBmode() + #doublebuffer() + gconfig() + qdevice(ESCKEY) + qdevice(WINSHUT) + qdevice(WINQUIT) + 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', + print 0.1 * int(nframe * 10000.0 / tijd), + print 'frames/sec' + print 'Played', nframe, 'frames at', + print 0.1 * int(nframe * 10000.0 / (t-epoch.epoch)), + print 'frames/sec' + if af <> None: + playsound(af,spkr) + if not running or qtest(): + dev, val = qread() + if dev in (ESCKEY, WINSHUT, WINQUIT): + raise bye + elif dev = REDRAW: + reshapeviewport() + except bye: + pass main() |