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Diffstat (limited to 'Demo/sgi/video/Vrecc.py')
| -rwxr-xr-x | Demo/sgi/video/Vrecc.py | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/Demo/sgi/video/Vrecc.py b/Demo/sgi/video/Vrecc.py deleted file mode 100755 index 6a539f8..0000000 --- a/Demo/sgi/video/Vrecc.py +++ /dev/null @@ -1,281 +0,0 @@ -#! /ufs/guido/bin/sgi/python-405 -#! /ufs/guido/bin/sgi/python - -# Capture a continuous CMIF movie using the Indigo video library and board - - -# Usage: -# -# makemovie [-r rate] [-w width] [moviefile] - - -# Options: -# -# -r rate : capture 1 out of every 'rate' frames (default 1) -# -w width : initial window width (default interactive placement) -# -d : drop fields if needed -# -g bits : greyscale (2, 4 or 8 bits) -# -G : 2-bit greyscale dithered -# -m : monochrome dithered -# -M value : monochrome tresholded with value -# -f : Capture fields (in stead of frames) -# -n number : Capture 'number' fields (default 60) -# -# moviefile : here goes the movie data (default film.video); -# the format is documented in cmif-film.ms - - -# User interface: -# -# Start the application. Resize the window to the desired movie size. -# Press the left mouse button to start recording, release it to end -# recording. You can record as many times as you wish, but each time -# you overwrite the output file(s), so only the last recording is -# kept. -# -# Press ESC or select the window manager Quit or Close window option -# to quit. If you quit before recording anything, the output file(s) -# are not touched. - - -import sys -sys.path.append('/ufs/guido/src/video') -import sv, SV -import VFile -import gl, GL, DEVICE -import al, AL -import time -import posix -import getopt -import string -import imageop -import sgi - -# Main program - -def main(): - format = SV.RGB8_FRAMES - rate = 1 - width = 0 - drop = 0 - mono = 0 - grey = 0 - greybits = 0 - monotreshold = -1 - fields = 0 - number = 60 - - opts, args = getopt.getopt(sys.argv[1:], 'r:w:dg:mM:Gfn:') - for opt, arg in opts: - if opt == '-r': - rate = string.atoi(arg) - if rate < 2: - sys.stderr.write('-r rate must be >= 2\n') - sys.exit(2) - elif opt == '-w': - width = string.atoi(arg) - elif opt == '-d': - drop = 1 - elif opt == '-g': - grey = 1 - greybits = string.atoi(arg) - if not greybits in (2,4,8): - print 'Only 2, 4 or 8 bit greyscale supported' - elif opt == '-G': - grey = 1 - greybits = -2 - elif opt == '-m': - mono = 1 - elif opt == '-M': - mono = 1 - monotreshold = string.atoi(arg) - elif opt == '-f': - fields = 1 - elif opt == '-n': - number = string.atoi(arg) - - if args[2:]: - sys.stderr.write('usage: Vrec [options] [file]\n') - sys.exit(2) - - if args: - filename = args[0] - else: - filename = 'film.video' - - v = sv.OpenVideo() - # Determine maximum window size based on signal standard - param = [SV.BROADCAST, 0] - v.GetParam(param) - if param[1] == SV.PAL: - x = SV.PAL_XMAX - y = SV.PAL_YMAX - elif param[1] == SV.NTSC: - x = SV.NTSC_XMAX - y = SV.NTSC_YMAX - else: - print 'Unknown video standard', param[1] - sys.exit(1) - - gl.foreground() - gl.maxsize(x, y) - gl.keepaspect(x, y) - gl.stepunit(8, 6) - if width: - gl.prefsize(width, width*3/4) - win = gl.winopen(filename) - if width: - gl.maxsize(x, y) - gl.keepaspect(x, y) - gl.stepunit(8, 6) - gl.winconstraints() - x, y = gl.getsize() - print x, 'x', y - - v.SetSize(x, y) - - if drop: - param = [SV.FIELDDROP, 1, SV.GENLOCK, SV.GENLOCK_OFF] - else: - param = [SV.FIELDDROP, 0, SV.GENLOCK, SV.GENLOCK_ON] - if mono or grey: - param = param+[SV.COLOR, SV.MONO, SV.INPUT_BYPASS, 1] - else: - param = param+[SV.COLOR, SV.DEFAULT_COLOR, SV.INPUT_BYPASS, 0] - v.SetParam(param) - - v.BindGLWindow(win, SV.IN_REPLACE) - - gl.qdevice(DEVICE.LEFTMOUSE) - gl.qdevice(DEVICE.WINQUIT) - gl.qdevice(DEVICE.WINSHUT) - gl.qdevice(DEVICE.ESCKEY) - - print 'Press left mouse to start recording' - - while 1: - dev, val = gl.qread() - if dev == DEVICE.LEFTMOUSE: - if val == 1: - info = format, x, y, number, rate - record(v, info, filename, mono, grey, \ - greybits, monotreshold, fields) - 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 - v.CloseVideo() - gl.winclose(win) - break - - -# Record until the mouse is released (or any other GL event) -# XXX audio not yet supported - -def record(v, info, filename, mono, grey, greybits, monotreshold, fields): - import thread - format, x, y, number, rate = info - fps = 59.64 # Fields per second - # XXX (Strange: need fps of Indigo monitor, not of PAL or NTSC!) - tpf = 1000.0 / fps # Time per field in msec - # - # Go grab - # - gl.wintitle('(rec) ' + filename) - try: - ninfo, data, bitvec = v.CaptureBurst(info) - except sv.error, arg: - print 'CaptureBurst failed:', arg - print 'info:', info - gl.wintitle(filename) - return - gl.wintitle('(save) '+ filename) - # - # Check results - # - if info <> ninfo: - print 'Sorry, format changed.' - print 'Wanted:',info - print 'Got :',ninfo - gl.wintitle(filename) - return - # print bitvec - if x*y*number <> len(data): - print 'Funny data length: wanted',x,'*',y,'*', number,'=',\ - x*y*number,'got',len(data) - gl.wintitle(filename) - return - # - # Save - # - if filename: - # - # Construct header and write it - # - vout = VFile.VoutFile().init(filename) - if mono: - vout.format = 'mono' - elif grey and greybits == 8: - vout.format = 'grey' - elif grey: - vout.format = 'grey'+`abs(greybits)` - else: - vout.format = 'rgb8' - vout.width = x - vout.height = y - if fields: - vout.packfactor = (1,-2) - else: - print 'Sorry, can only save fields at the moment' - gl.wintitle(filename) - return - vout.writeheader() - # - # Compute convertor, if needed - # - convertor = None - if grey: - if greybits == 2: - convertor = imageop.grey2grey2 - elif greybits == 4: - convertor = imageop.grey2grey4 - elif greybits == -2: - convertor = imageop.dither2grey2 - fieldsize = x*y/2 - nskipped = 0 - realframeno = 0 - tpf = 1000 / 50.0 #XXXX - for frameno in range(0, number*2): - if frameno <> 0 and \ - bitvec[frameno] == bitvec[frameno-1]: - nskipped = nskipped + 1 - continue - # - # Save field. - # XXXX Works only for fields and top-to-bottom - # - start = frameno*fieldsize - field = data[start:start+fieldsize] - if convertor: - field = convertor(field, x, y) - elif mono and monotreshold >= 0: - field = imageop.grey2mono(field, x, y, \ - 1, monotreshold) - elif mono: - field = imageop.dither2mono(field, x, y) - vout.writeframe(int(realframeno*tpf), field, None) - print 'Skipped',nskipped,'duplicate frames' - vout.close() - - gl.wintitle('(done) ' + filename) - -# Don't forget to call the main program - -try: - main() -except KeyboardInterrupt: - print '[Interrupt]' |