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from gl import *
from GL import *
from DEVICE import *
import time
import sys
import getopt
import socket
import posix
import vtime
# Preallocation parameter
PREALLOC = 4 # Megabyte
# Sync audio parameters
SYNCPORT = 10000
CTLPORT = 10001
from vpregs import *
class Struct(): pass
epoch = Struct()
def getvideosize():
w = getvideo(VP_WIDTH)
h = getvideo(VP_HEIGHT)
print 'WIDTH,HEIGHT:', w, h
print 'GB{X,Y}ORG:', getvideo(VP_GBXORG), getvideo(VP_GBYORG)
print 'FB{X,Y}ORG:', getvideo(VP_FBXORG), getvideo(VP_FBYORG)
x = 0
y = 0
return x,y,w,h
framelist = []
def prealloc(w, h):
nbytes = w*h*4
limit = PREALLOC*1024*1024
total = 0
list = []
print 'Prealloc to', PREALLOC, 'Megabytes...'
while total+nbytes <= limit:
list.append('x'*nbytes)
total = total + nbytes
print 'Done.'
def grabframe(f,x,y,w,h,pf):
readsource(SRC_FRONT)
if pf:
w = w/pf*pf
h = h/pf*pf
data = lrectread(x,y,x+w-1,y+h-1)
t = time.millitimer()-epoch.epoch
framelist.append(data, t)
readsource(SRC_FRAMEGRABBER)
def saveframes(f, w, h, pf):
for data, t in framelist:
if pf:
w = w/pf*pf
h = h/pf*pf
data = packrect(w,h,pf,data)
f.write(`t` + ',' + `len(data)` + '\n')
f.write(data)
framelist[:] = []
def saveframe(f,x,y,w,h,pf, notime):
readsource(SRC_FRONT)
if pf:
w = w/pf*pf
h = h/pf*pf
data = lrectread(x,y,x+w-1,y+h-1)
if pf: data = packrect(w,h,pf,data)
if notime: t = 0
else: t = time.millitimer()-epoch.epoch
f.write(`t` + ',' + `len(data)` + '\n')
f.write(data)
readsource(SRC_FRAMEGRABBER)
def drawframe(x,y,w,h,col):
drawmode(OVERDRAW)
color(col)
bgnline()
v2i(x-1,y-1) ; v2i(x+w,y-1); v2i(x+w,y+h); v2i(x-1,y+h); v2i(x-1,y-1)
endline()
drawmode(NORMALDRAW)
def usage():
sys.stderr.write('Usage: camcorder ' + \
'[-c] [-p packfactor] [-a audiomachine [-s]] [outputfile]\n')
sys.exit(2)
def wrheader(f, w, h, pf):
f.write('CMIF video 1.0\n')
f.write(`w,h,pf` + '\n')
print 'width,height,pf:', w, h, pf,
if pf == 0: pf = 4
print '(i.e.,', w*h*pf, 'bytes/frame)'
def main():
foreground()
pf = 2
ausync = 0
austart = 0
optlist, args = getopt.getopt(sys.argv[1:],'ca:sp:')
for opt, arg in optlist:
if opt == '-c':
pf = 0
elif opt == '-a':
ausync = 1
aumachine = arg
elif opt == '-s':
austart = 1
elif opt == '-p':
pf = int(eval(arg))
else:
usage()
if args:
if len(args) > 1:
print 'Too many arguments'
usage()
filename = args[0]
else:
filename = 'film.video'
if austart:
if not ausync:
print 'Cannot use -s without -a'
usage()
print 'Starting audio recorder...'
posix.system('rsh '+aumachine+' syncrecord '+socket.gethostname()+' &')
if ausync:
print 'Syncing to audio recorder...'
globtime = vtime.VTime().init(1,aumachine,SYNCPORT)
ctl = socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
ctl.bind((socket.gethostname(),CTLPORT))
aua = (socket.gethostbyname(aumachine), CTLPORT)
print 'Done.'
vidx, vidy, w, h = getvideosize()
#prefsize(w,h)
winx, winy = 1280-w-10, 1024-h-30
prefposition(winx,winx+w-1,winy,winy+h-1)
win = winopen(filename)
f = open(filename, 'w')
w, h = getsize()
realw, realh = w, h
####doublebuffer()
RGBmode()
gconfig()
qdevice(LEFTMOUSE)
qdevice(RKEY)
qdevice(SKEY)
qdevice(CKEY)
qdevice(PKEY)
qdevice(ESCKEY)
qdevice(WINQUIT)
qdevice(WINSHUT)
inrunning = 1
outrunning = 0
stop = 'stop'
readsource(SRC_FRAMEGRABBER)
mousing = 0
epoch.epoch = time.millitimer()
stoptime = epoch.epoch
sizewritten = 0
x, y = realw/4, realh/4
w, h = w/2, h/2
prealloc(w, h)
try:
drawframe(x,y,w,h,1)
nframe = 0
num = 0
while 1:
insingle = 0
outsingle = 0
if mousing:
drawframe(x,y,w,h,0)
ox, oy = getorigin()
if sizewritten:
x = getvaluator(MOUSEX)-ox
y = getvaluator(MOUSEY)-oy
else:
w = getvaluator(MOUSEX)-x-ox
h = getvaluator(MOUSEY)-y-oy
drawframe(x,y,w,h,1)
if qtest() or \
not (mousing or inrunning or insingle or outrunning or outsingle):
ev, val = qread()
if ev == LEFTMOUSE and val == 1:
drawframe(x,y,w,h,0)
mousing = 1
ox, oy = getorigin()
x = getvaluator(MOUSEX)-ox
y = getvaluator(MOUSEY)-oy
elif ev == LEFTMOUSE and val == 0:
if h < 0:
y, h = y+h, -h
if w < 0:
x, w = x+w, -w
mousing = 0
if not sizewritten:
wrheader(f, w, h, pf)
sizewritten = 1
prealloc(w, h)
elif ev == RKEY and val == 1:
if not inrunning:
ringbell()
else:
outrunning = 1
wasstopped = time.millitimer() - stoptime
epoch.epoch = epoch.epoch + wasstopped
nframe = 0
starttime = time.millitimer()
if ausync:
ctl.sendto(`(1,starttime)`, aua)
elif ev == PKEY and val == 1 and outrunning:
outrunning = 0
stoptime = time.millitimer()
if ausync:
ctl.sendto(`(0,stoptime)`, aua)
fps = nframe * 1000.0 / (time.millitimer()-starttime)
print 'Recorded', nframe,
print 'frames at', 0.1*int(fps*10),'frames/sec'
print 'Saving...'
saveframes(f, w, h, pf)
print 'Done.'
elif ev == PKEY and val == 1 and not outrunning:
outsingle = 1
elif ev == CKEY and val == 1:
inrunning = 1
elif ev == SKEY and val == 1:
if outrunning:
ringbell()
elif inrunning:
inrunning = 0
else:
insingle = 1
elif ev in (ESCKEY, WINQUIT, WINSHUT):
if ausync:
ctl.sendto(`(2,time.millitimer())`, aua)
raise stop
elif ev == REDRAW:
drawframe(x,y,w,h,0)
reshapeviewport()
drawframe(x,y,w,h,1)
if inrunning or insingle:
if outrunning:
rectcopy(vidx+x,vidy+y,vidx+x+w-1,vidy+y+h-1,x,y)
else:
rectcopy(vidx,vidy,vidx+realw-1,vidx+realh-1,0,0)
####swapbuffers()
if outrunning or outsingle:
nframe = nframe + 1
if not sizewritten:
wrheader(f, w, h, pf)
sizewritten = 1
if outrunning:
grabframe(f, x, y, w, h, pf)
else:
saveframe(f, x, y, w, h, pf, outsingle)
except stop:
pass
finally:
drawmode(OVERDRAW)
color(0)
clear()
main()
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