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author | Guido van Rossum <guido@python.org> | 1992-12-24 11:41:14 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1992-12-24 11:41:14 (GMT) |
commit | 349f2b516b89c46f915a57029ed2bd33f85ff363 (patch) | |
tree | 45de319388eef872efecb252914c9cbcede6a25a | |
parent | 3f3c099e9f906a1d8d0ffdcdb8e966b2b9bde716 (diff) | |
download | cpython-349f2b516b89c46f915a57029ed2bd33f85ff363.zip cpython-349f2b516b89c46f915a57029ed2bd33f85ff363.tar.gz cpython-349f2b516b89c46f915a57029ed2bd33f85ff363.tar.bz2 |
Renamed vcopy to Vcopy (it is the only old tool that's still in use)
-rwxr-xr-x | Demo/sgi/video/Vcopy.py | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Demo/sgi/video/Vcopy.py b/Demo/sgi/video/Vcopy.py new file mode 100755 index 0000000..f92dfdd --- /dev/null +++ b/Demo/sgi/video/Vcopy.py @@ -0,0 +1,134 @@ +# Copy a video file, interactively, frame-by-frame. + +import sys +import getopt +from gl import * +from DEVICE import * +import VFile +import string +import imageop + +def report(time, iframe): + print 'Frame', iframe, ': t =', time + +def usage(): + sys.stderr.write('usage: Vcopy [-t type] [-m treshold] [-a] infile outfile\n') + sys.stderr.write('-t Convert to other type\n') + sys.stderr.write('-a Automatic\n') + sys.stderr.write('-m Convert grey to mono with treshold\n') + sys.stderr.write('-d Convert grey to mono with dithering\n') + sys.exit(2) + +def help(): + print 'Command summary:' + print 'n get next image from input' + print 'w write current image to output' + +def main(): + foreground() + opts, args = getopt.getopt(sys.argv[1:], 't:am:d') + if len(args) <> 2: + usage() + [ifile, ofile] = args + print 'open film ', ifile + ifilm = VFile.VinFile().init(ifile) + print 'open output ', ofile + ofilm = VFile.VoutFile().init(ofile) + + ofilm.setinfo(ifilm.getinfo()) + + use_grabber = 0 + continuous = 0 + tomono = 0 + tomonodither = 0 + for o, a in opts: + if o == '-t': + ofilm.format = a + use_grabber = 1 + if o == '-a': + continuous = 1 + if o == '-m': + if ifilm.format <> 'grey': + print '-m only supported for greyscale' + sys.exit(1) + tomono = 1 + treshold = string.atoi(a) + ofilm.format = 'mono' + if o == '-d': + if ifilm.format <> 'grey': + print '-m only supported for greyscale' + sys.exit(1) + tomonodither = 1 + ofilm.format = 'mono' + + ofilm.writeheader() + # + prefsize(ifilm.width, ifilm.height) + w = winopen(ifile) + qdevice(KEYBD) + qdevice(ESCKEY) + qdevice(WINQUIT) + qdevice(WINSHUT) + print 'qdevice calls done' + # + help() + # + time, data, cdata = ifilm.getnextframe() + ifilm.showframe(data, cdata) + iframe = 1 + report(time, iframe) + # + while 1: + if continuous: + dev = KEYBD + else: + dev, val = qread() + if dev in (ESCKEY, WINQUIT, WINSHUT): + break + if dev == REDRAW: + reshapeviewport() + elif dev == KEYBD: + if continuous: + c = '0' + else: + c = chr(val) + #XXX Debug + if c == 'R': + c3i(255,0,0) + clear() + if c == 'G': + c3i(0,255,0) + clear() + if c == 'B': + c3i(0,0,255) + clear() + if c == 'w' or continuous: + if use_grabber: + data, cdata = ofilm.grabframe() + if tomono: + data = imageop.grey2mono(data, \ + ifilm.width, ifilm.height, \ + treshold) + if tomonodither: + data = imageop.dither2mono(data, \ + ifilm.width, ifilm.height) + ofilm.writeframe(time, data, cdata) + print 'Frame', iframe, 'written.' + if c == 'n' or continuous: + try: + time,data,cdata = ifilm.getnextframe() + ifilm.showframe(data, cdata) + iframe = iframe+1 + report(time, iframe) + except EOFError: + print 'EOF' + if continuous: + break + ringbell() + elif dev == INPUTCHANGE: + pass + else: + print '(dev, val) =', (dev, val) + ofilm.close() + +main() |