124 lines
2.3 KiB
Python
Executable File
124 lines
2.3 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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print 'File: ', filename
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print 'Version: ', vin.version
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print 'Size: ', vin.width, 'x', vin.height
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print 'Pack: ', vin.packfactor, '; chrom:', vin.chrompack
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print 'Bits: ', vin.c0bits, vin.c1bits, vin.c2bits
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print 'Format: ', vin.format
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print 'Offset: ', vin.offset
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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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main()
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