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Diffstat (limited to 'Demo/sgi/video/Vcopy.py')
| -rwxr-xr-x | Demo/sgi/video/Vcopy.py | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/Demo/sgi/video/Vcopy.py b/Demo/sgi/video/Vcopy.py deleted file mode 100755 index ef4647a..0000000 --- a/Demo/sgi/video/Vcopy.py +++ /dev/null @@ -1,291 +0,0 @@ -#! /usr/bin/env python - -# Universal (non-interactive) CMIF video file copier. - - -# Possibilities: -# -# - Manipulate the time base: -# = resample at a fixed rate -# = divide the time codes by a speed factor (to make it go faster/slower) -# = drop frames that are less than n msec apart (to accommodate slow players) -# - Convert to a different format -# - Magnify (scale) the image - - -# Usage function (keep this up-to-date if you change the program!) - -def usage(): - print 'Usage: Vcopy [options] [infile [outfile]]' - print - print 'Options:' - print - print '-t type : new image type (default unchanged)' - print - print '-M magnify : image magnification factor (default unchanged)' - print '-w width : output image width (default height*4/3 if -h used)' - print '-h height : output image height (default width*3/4 if -w used)' - print - print '-p pf : new x and y packfactor (default unchanged)' - print '-x xpf : new x packfactor (default unchanged)' - print '-y ypf : new y packfactor (default unchanged)' - print - print '-m delta : drop frames closer than delta msec (default 0)' - print '-r delta : regenerate input time base delta msec apart' - print '-s speed : speed change factor (default unchanged)' - print - print 'infile : input file (default film.video)' - print 'outfile : output file (default out.video)' - - -import sys -sys.path.append('/ufs/guido/src/video') - -import VFile -import imgconv -import imageop -import getopt -import string - - -# Global options - -speed = 1.0 -mindelta = 0 -regen = None -newpf = None -newtype = None -magnify = None -newwidth = None -newheight = None - - -# Function to turn a string into a float - -atof_error = 'atof_error' # Exception if it fails - -def atof(s): - try: - return float(eval(s)) - except: - raise atof_error - - -# Main program -- mostly command line parsing - -def main(): - global speed, mindelta, regen, newpf, newtype, \ - magnify, newwidth, newheight - - # Parse command line - try: - opts, args = getopt.getopt(sys.argv[1:], \ - 'M:h:m:p:r:s:t:w:x:y:') - except getopt.error, msg: - sys.stdout = sys.stderr - print 'Error:', msg, '\n' - usage() - sys.exit(2) - - xpf = ypf = None - - # Interpret options - try: - for opt, arg in opts: - if opt == '-M': magnify = atof(arg) - if opt == '-h': height = string.atoi(arg) - if opt == '-m': mindelta = string.atoi(arg) - if opt == '-p': xpf = ypf = string.atoi(arg) - if opt == '-r': regen = string.atoi(arg) - if opt == '-s': speed = atof(arg) - if opt == '-t': newtype = arg - if opt == '-w': newwidth = string.atoi(arg) - if opt == '-x': xpf = string.atoi(arg) - if opt == '-y': ypf = string.atoi(arg) - except string.atoi_error: - sys.stdout = sys.stderr - print 'Option', opt, 'requires integer argument' - sys.exit(2) - except atof_error: - sys.stdout = sys.stderr - print 'Option', opt, 'requires float argument' - sys.exit(2) - - if xpf or ypf: - newpf = (xpf, ypf) - - if newwidth or newheight: - if magnify: - sys.stdout = sys.stderr - print 'Options -w or -h are incompatible with -M' - sys.exit(2) - if not newheight: - newheight = newwidth * 3 / 4 - elif not newwidth: - newwidth = newheight * 4 / 3 - - # Check filename arguments - if len(args) < 1: - args.append('film.video') - if len(args) < 2: - args.append('out.video') - if len(args) > 2: - usage() - sys.exit(2) - if args[0] == args[1]: - sys.stderr.write('Input file can\'t be output file\n') - sys.exit(2) - - # Do the right thing - sts = process(args[0], args[1]) - - # Exit - sys.exit(sts) - - -# Copy one file to another - -def process(infilename, outfilename): - global newwidth, newheight, newpf - - try: - vin = VFile.BasicVinFile(infilename) - except IOError, msg: - sys.stderr.write(infilename + ': I/O error: ' + `msg` + '\n') - return 1 - except VFile.Error, msg: - sys.stderr.write(msg + '\n') - return 1 - except EOFError: - sys.stderr.write(infilename + ': EOF in video file\n') - return 1 - - try: - vout = VFile.BasicVoutFile(outfilename) - except IOError, msg: - sys.stderr.write(outfilename + ': I/O error: ' + `msg` + '\n') - return 1 - - print '=== input file ===' - vin.printinfo() - - vout.setinfo(vin.getinfo()) - - scale = 0 - flip = 0 - decompress = 0 - - vinfmt = vin.format - if vinfmt == 'compress': - if not newtype or newtype == 'compress': - # compressed->compressed: copy compression header - vout.setcompressheader(vin.getcompressheader()) - else: - # compressed->something else: go via rgb-24 - decompress = 1 - vinfmt = 'rgb' - elif newtype == 'compress': - # something else->compressed: not implemented - sys.stderr.write('Sorry, conversion to compressed not yet implemented\n') - return 1 - if newtype: - vout.setformat(newtype) - try: - convert = imgconv.getconverter(vinfmt, vout.format) - except imgconv.error, msg: - sys.stderr.write(str(msg) + '\n') - return 1 - - if newpf: - xpf, ypf = newpf - if not xpf: xpf = vin.xpf - if not ypf: ypf = vout.ypf - newpf = (xpf, ypf) - vout.setpf(newpf) - - if newwidth and newheight: - scale = 1 - - if vin.upside_down <> vout.upside_down or \ - vin.mirror_image <> vout.mirror_image: - flip = 1 - - inwidth, inheight = vin.getsize() - inwidth = inwidth / vin.xpf - inheight = inheight / vin.ypf - - if magnify: - newwidth = int(vout.width * magnify) - newheight = int(vout.height * magnify) - scale = 1 - - if scale: - vout.setsize(newwidth, newheight) - else: - newwidth, newheight = vout.getsize() - - if vin.packfactor <> vout.packfactor: - scale = 1 - - if scale or flip: - if vout.bpp not in (8, 32): - sys.stderr.write('Can\'t scale or flip this type\n') - return 1 - - newwidth = newwidth / vout.xpf - newheight = newheight / vout.ypf - - print '=== output file ===' - vout.printinfo() - vout.writeheader() - - told = 0 - nin = 0 - nout = 0 - tin = 0 - tout = 0 - - while 1: - try: - tin, data, cdata = vin.getnextframe() - except EOFError: - break - if decompress: - data = vin.decompress(data) - nin = nin + 1 - if regen: - tout = nin * regen - else: - tout = tin - tout = int(tout / speed) - if tout - told < mindelta: - continue - told = tout - if newtype: - data = convert(data, inwidth, inheight) - if scale: - data = imageop.scale(data, vout.bpp/8, \ - inwidth, inheight, newwidth, newheight) - if flip: - x0, y0 = 0, 0 - x1, y1 = newwidth-1, newheight-1 - if vin.upside_down <> vout.upside_down: - y1, y0 = y0, y1 - if vin.mirror_image <> vout.mirror_image: - x1, x0 = x0, x1 - data = imageop.crop(data, vout.bpp/8, \ - newwidth, newheight, x0, y0, x1, y1) - print 'Writing frame', nout - vout.writeframe(tout, data, cdata) - nout = nout + 1 - - vout.close() - vin.close() - - -# Don't forget to call the main program - -try: - main() -except KeyboardInterrupt: - print '[Interrupt]' |