mirror of
https://github.com/python/cpython.git
synced 2025-08-01 23:53:15 +00:00
e1783324ab
missing -n in help(), bogus frame skipping; and added patch for weird time jumps. Removed colorsys.py (now in std library). Fixed "sys.write" error in vcopy.py. Restructured README.
120 lines
2.1 KiB
Python
Executable file
120 lines
2.1 KiB
Python
Executable file
#! /usr/local/python
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# Print some info about a CMIF movie file
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# Usage:
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#
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# Vinfo [-d] [-q] [-s] [file] ...
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# Options:
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#
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# -d : print deltas between frames instead of frame times
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# -q : quick: don't read the frames
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# -s : don't print times (but do count frames and print the total)
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# file ... : file(s) to inspect; default film.video
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import sys
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sys.path.append('/ufs/guido/src/video')
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import VFile
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import getopt
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# Global options
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short = 0
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quick = 0
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delta = 0
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# Main program -- mostly command line parsing
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def main():
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global short, quick, delta
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opts, args = getopt.getopt(sys.argv[1:], 'dqs')
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for opt, arg in opts:
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if opt == '-q':
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quick = 1
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elif opt == '-d':
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delta = 1
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elif opt == '-s':
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short = 1
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if not args:
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args = ['film.video']
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sts = 0
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for filename in args:
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if process(filename):
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sts = 1
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sys.exit(sts)
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# Process one file
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def process(filename):
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try:
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vin = VFile.VinFile().init(filename)
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except IOError, msg:
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sys.stderr.write(filename + ': I/O error: ' + `msg` + '\n')
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return 1
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except VFile.Error, msg:
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sys.stderr.write(msg + '\n')
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return 1
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except EOFError:
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sys.stderr.write(filename + ': EOF in video file\n')
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return 1
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vin.printinfo()
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if quick:
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vin.close()
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return
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if not short:
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if delta:
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print 'Frame time deltas:',
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else:
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print 'Frame times:',
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n = 0
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t = 0
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told = 0
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datasize = 0
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while 1:
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try:
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t, data, cdata = vin.getnextframe()
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except EOFError:
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break
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datasize = datasize + len(data)
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if cdata: datasize = datasize + len(cdata)
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if not short:
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if n%8 == 0:
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sys.stdout.write('\n')
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if delta:
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sys.stdout.write('\t' + `t - told`)
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told = t
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else:
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sys.stdout.write('\t' + `t`)
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n = n+1
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if not short: print
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print 'Total', n, 'frames in', t*0.001, 'sec.',
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if t: print '-- average', int(n*10000.0/t)*0.1, 'frames/sec',
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print
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print 'Total data', 0.1 * int(datasize / 102.4), 'Kbytes',
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if t:
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print '-- average',
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print 0.1 * int(datasize / 0.1024 / t), 'Kbytes/sec',
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print
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vin.close()
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# Don't forget to call the main program
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try:
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main()
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except KeyboardInterrupt:
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print '[Interrupt]'
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