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# Capture a movie using the Indigo video library and board
import sv, SV
import VFile
import gl, GL, DEVICE
import time
import sys
import posix
import getopt
import string
def main():
QSIZE = 16
TIME = 5
opts, args = getopt.getopt(sys.argv[1:], 'q:t:')
for opt, arg in opts:
if opt == '-q':
QSIZE = string.atoi(arg)
elif opt == '-t':
TIME = string.atoi(arg)
if args:
filename = args[0]
if args[1:]:
print 'Warning: only first filename arg is used'
else:
filename = 'film.video'
gl.foreground()
x, y = SV.PAL_XMAX / 4, SV.PAL_YMAX / 4
print x, 'x', y
gl.minsize(40, 30)
gl.stepunit(8, 6)
gl.maxsize(SV.PAL_XMAX, SV.PAL_YMAX)
gl.keepaspect(SV.PAL_XMAX, SV.PAL_YMAX)
win = gl.winopen(filename)
x, y = gl.getsize()
print x, 'x', y
v = sv.OpenVideo()
v.BindGLWindow(win, SV.IN_REPLACE)
v.SetSize(x, y)
v.BindGLWindow(win, SV.IN_REPLACE)
v.SetCaptureFormat(SV.RGB_FRAMES)
v.SetCaptureMode(SV.BLOCKING_CAPTURE)
v.SetQueueSize(QSIZE)
v.InitCapture()
if v.GetQueueSize() != QSIZE:
QSIZE = v.GetQueueSize()
print 'Warning: QSIZE reduced to', QSIZE
gl.qdevice(DEVICE.LEFTMOUSE)
gl.qdevice(DEVICE.WINQUIT)
gl.qdevice(DEVICE.WINSHUT)
gl.qdevice(DEVICE.ESCKEY)
print 'Click left mouse to start recording', TIME, 'seconds'
ofile = None
# Mouse down opens the file & freezes window
# Mouse up starts recording frames
while 1:
dev, val = gl.qread()
if dev == DEVICE.LEFTMOUSE:
# Start recording
if val == 1:
# Mouse down -- preparations
if ofile == None:
ofile = VFile.VoutFile().init(filename)
ofile.format = 'rgb8'
ofile.width = x
ofile.height = y
ofile.writeheader()
# XXX other format bits?
# The window can't be resized from now
gl.prefsize(x, y)
gl.winconstraints()
gl.wintitle('* ' + filename)
continue
# Mouse up -- actual recording
t0 = time.millitimer()
v.StartCapture()
while 1:
t = time.millitimer() - t0
if t >= TIME*1000:
break
if v.GetCaptured() > 2:
print '(1)',
doframe(v, ofile, x, y, t)
v.StopCapture()
while v.GetCaptured() > 0:
print '(2)',
doframe(v, ofile, x, y, t)
t = time.millitimer() - t0
gl.wintitle(filename)
elif dev == DEVICE.REDRAW:
# Window resize (or move)
x, y = gl.getsize()
print x, 'x', y
v.SetSize(x, y)
v.BindGLWindow(win, SV.IN_REPLACE)
elif dev in (DEVICE.ESCKEY, DEVICE.WINQUIT, DEVICE.WINSHUT):
# Quit
if ofile:
ofile.close()
posix._exit(0)
# EndCapture dumps core...
v.EndCapture()
v.CloseVideo()
gl.winclose(win)
def doframe(v, ofile, x, y, t):
cd, start = v.GetCaptureData()
data = cd.interleave(x, y)
cd.UnlockCaptureData()
ofile.writeframe(t, data, None)
main()
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