import getopt from gl import * from GL import * from DEVICE import * import time import sys import al import AL sys.path.append('/ufs/guido/src/video') # Increase chance to find colorsys import colorsys BUFFERSIZE = 32000 class Struct(): pass epoch = Struct() epoch.correcttiming = 1 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): try: f = open(name, 'r') except: sys.stderr.write(name + ': cannot open\n') sys.exit(1) line = f.readline() if not line: raise EndOfFile colorinfo = (8, 0, 0, 0) if line[:4] == 'CMIF': if line[:14] == 'CMIF video 2.0': line = f.readline() colorinfo = eval(line[:-1]) line = f.readline() x = eval(line[:-1]) if len(x) == 3: w, h, pf = x else: w, h = x; pf = 2 if pf and w/pf % 4 <> 0: sys.stderr.write( \ 'warning: stride not a multiple of 4 -- may not work on Indigo XS\n') return f, w, h, pf, colorinfo def loadframe(f,w,h,pf,af,spkr, (ybits,ibits,qbits,chrompack),mf): 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: w = w/pf h = h/pf if chrompack: cw = (w+chrompack-1)/chrompack ch = (h+chrompack-1)/chrompack chromdata = f.read(2*cw*ch) rectzoom(pf*chrompack*mf,pf*chrompack*mf) pixmode(PM_SIZE,16) writemask(0x7ff - ((1< 1: rectzoom(mf,mf) 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 epoch.correcttiming and tijd > 0 and ct < tijd: time.millisleep(tijd-ct) #swapbuffers() return tijd def initcmap(ybits,ibits,qbits,chrompack): if ybits+ibits+qbits > 11: raise 'Sorry, 11 bits max' maxy = pow(2,ybits) maxi = pow(2,ibits) maxq = pow(2,qbits) for i in range(2048,4096-256): mapcolor(i, 0, 255, 0) for y in range(maxy): yv = float(y)/float(maxy-1) for i in range(maxi): if maxi == 1: iv = 0 else: iv = (float(i)/float(maxi-1))-0.5 for q in range(maxq): if maxq == 1: qv = 0 else: qv = (float(q)/float(maxq-1))-0.5 index = 2048 + y + (i << ybits) + (q << (ybits+ibits)) rv,gv,bv = colorsys.yiq_to_rgb(yv,iv,qv) r,g,b = int(rv*255.0), int(gv*255.0), int(bv*255.0) if index < 4096 - 256: mapcolor(index, r,g,b) def playsound(af, spkr): nsamp = spkr.getfillable() data = af.read(nsamp*2) spkr.writesamps(data) def main(): looping = 0 packfactor = 0 magfactor = 1 try: opts, args = getopt.getopt(sys.argv[1:], 'm:p:lF') except getopt.error: sys.stderr.write('usage: video ' + \ '[-l] [-p pf] [-m mag] [-F] [moviefile [soundfile [skipbytes]]]\n') sys.exit(2) for opt, arg in opts: if opt == '-m': magfactor = int(eval(arg)) elif opt == '-p': packfactor = int(eval(arg)) elif opt == '-l': looping = 1 elif opt == '-F': epoch.correcttiming = 0 if args: filename = args[0] else: filename = 'film.video' f, w, h, pf, cinfo = openvideo(filename) if 0 < packfactor <> pf: w = w/pf*packfactor h = h/pf*packfactor pf = packfactor if args[1:]: audiofilename = args[1] af = open(audiofilename, 'r') spkr = openspkr() afskip = 0 if args[2:]: afskip = eval(args[2]) af.seek(afskip) else: af, spkr = None, None foreground() prefsize(w*magfactor,h*magfactor) win = winopen(filename) if pf: #doublebuffer() cmode() else: RGBmode() #doublebuffer() gconfig() if pf: initcmap(cinfo) color(2048) clear() writemask(2047) pixmode(PM_SIZE,8) # 8 bit pixels qdevice(ESCKEY) qdevice(WINSHUT) qdevice(WINQUIT) running = 1 epoch.epoch = time.millitimer() nframe = 0 tijd = 1 if looping: looping = f.tell() try: while 1: if running: try: tijd = loadframe(f, w, h, pf, af, spkr, cinfo,magfactor) 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 looping: f.seek(looping) epoch.epoch = time.millitimer() nframe = 0 running = 1 if af <> None: af.seek(afskip) 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()