mirror of https://github.com/mpv-player/mpv
59 lines
1.0 KiB
Python
59 lines
1.0 KiB
Python
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#!/usr/bin/env python
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#usage:
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#
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# vobshift.py in.idx out.idx -8.45
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#
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# this will read in in.idx,shift it by 8.45 seconds back,
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# and save it as out.idx
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#
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# license: i don't care ;)
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#
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import datetime
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import sys
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def tripletize(line):
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begin = line[:11]
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middle = line[11:23]
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end = line[23:]
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return (begin,middle,end)
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def text2delta(t):
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h = int( t[0:2] )
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m = int( t[3:5] )
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s = int( t[6:8] )
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milli = int( t[9:12] )
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return datetime.timedelta(hours=h,minutes=m,seconds=s,milliseconds=milli)
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def delta2text(d):
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t = str(d)
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milli = t[8:11]
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if len(milli) == 0: #fix for .000 seconds
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milli = '000'
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return '0'+t[:7]+':'+milli
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def shift(line,seconds):
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triplet = tripletize(line)
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base = text2delta(triplet[1])
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base = base + datetime.timedelta(seconds=seconds)
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base = delta2text(base)
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return triplet[0]+base+triplet[2]
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INFILE =sys.argv[1]
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OUTFILE =sys.argv[2]
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DIFF =float(sys.argv[3])
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o = open(OUTFILE,'wt')
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for line in open(INFILE):
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if line.startswith('timestamp'):
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line = shift(line,DIFF)
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o.write(line)
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o.close()
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