Initial revision
diff --git a/Demo/sgi/video/makemovie.py b/Demo/sgi/video/makemovie.py
new file mode 100755
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+++ b/Demo/sgi/video/makemovie.py
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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()