mirror of https://github.com/python/cpython
130 lines
2.4 KiB
Python
Executable File
130 lines
2.4 KiB
Python
Executable File
import sys
|
|
from socket import *
|
|
from gl import *
|
|
from GL import *
|
|
from DEVICE import *
|
|
from time import millitimer
|
|
|
|
HS = 40 # Header size (must be same as in tv.py)
|
|
|
|
# Rely on UDP packet (de)fragmentation for smoother images
|
|
# (Changed for broadcast)
|
|
MAX = 16000
|
|
|
|
PF = 2 # Default packfactor
|
|
|
|
# Default receiver station is voorn.
|
|
# Kwik has no yellow pages, so...
|
|
HOST = '192.16.201.121'
|
|
PORT = 5555
|
|
|
|
if sys.argv[1:]:
|
|
PF = eval(sys.argv[1])
|
|
|
|
if sys.argv[2:]:
|
|
HOST = sys.argv[2]
|
|
if HOST = 'all':
|
|
HOST = '<broadcast>'
|
|
MAX = 1400
|
|
|
|
PF2 = PF*PF
|
|
|
|
def main():
|
|
centerx, centery = 400, 300
|
|
|
|
foreground()
|
|
wid = winopen('cam')
|
|
RGBmode()
|
|
doublebuffer()
|
|
gconfig()
|
|
qdevice(ESCKEY)
|
|
|
|
w, h = getsize()
|
|
ortho2(0, w, 0, h)
|
|
w = w/PF*PF
|
|
h = h/PF*PF
|
|
|
|
readsource(SRC_FRAMEGRABBER)
|
|
|
|
s = socket(AF_INET, SOCK_DGRAM)
|
|
if HOST = '<broadcast>':
|
|
s.allowbroadcast(1)
|
|
addr = HOST, PORT
|
|
|
|
bytesperline = w/PF2
|
|
linesperchunk = MAX/bytesperline
|
|
linesperchunk = linesperchunk/PF*PF
|
|
nchunks = (h+linesperchunk-1)/linesperchunk
|
|
|
|
print 'MAX=', MAX,
|
|
print 'linesperchunk=', linesperchunk,
|
|
print 'nchunks=', nchunks,
|
|
print 'w=', w, 'h=', h
|
|
|
|
x1, x2 = 0, w-1
|
|
|
|
t1 = millitimer()
|
|
nframes = 0
|
|
fps = 0
|
|
|
|
msg = ''
|
|
|
|
while 1:
|
|
while qtest():
|
|
dev, val = qread()
|
|
if dev = REDRAW:
|
|
reshapeviewport()
|
|
w, h = getsize()
|
|
ortho2(0, w, 0, h)
|
|
w = w/PF*PF
|
|
h = h/PF*PF
|
|
|
|
bytesperline = w/PF2
|
|
linesperchunk = MAX/bytesperline
|
|
linesperchunk = linesperchunk/PF*PF
|
|
nchunks = (h+linesperchunk-1)/linesperchunk
|
|
|
|
print 'MAX=', MAX,
|
|
print 'linesperchunk=', linesperchunk,
|
|
print 'nchunks=', nchunks,
|
|
print 'w=', w, 'h=', h
|
|
|
|
x1, x2 = 0, w-1
|
|
|
|
fps = 0
|
|
|
|
elif dev = ESCKEY:
|
|
winclose(wid)
|
|
return
|
|
|
|
readsource(SRC_FRAMEGRABBER)
|
|
|
|
nframes = nframes+1
|
|
if nframes >= fps:
|
|
t2 = millitimer()
|
|
if t2 <> t1:
|
|
fps = int(10000.0*nframes/(t2-t1)) * 0.1
|
|
msg = `fps` + ' frames/sec'
|
|
t1 = t2
|
|
nframes = 0
|
|
|
|
RGBcolor(255,255,255)
|
|
cmov2i(9,9)
|
|
charstr(msg)
|
|
|
|
swapbuffers()
|
|
rectcopy(centerx-w/2, centery-w/2, centerx+w/2, centery+w/2, 0, 0)
|
|
|
|
for i in range(nchunks):
|
|
y1 = i*linesperchunk
|
|
y2 = y1 + linesperchunk-1
|
|
if y2 >= h: y2 = h-1
|
|
data = lrectread(x1, y1, x2, y2)
|
|
data2 = packrect(x2-x1+1, y2-y1+1, PF, data)
|
|
prefix = `w, h, PF, x1, y1, x2, y2`
|
|
prefix = prefix + ' ' * (HS-len(prefix))
|
|
data3 = prefix + data2
|
|
s.sendto(data3, addr)
|
|
|
|
main()
|