gistfile1.py

#improve tcconv's algorithm

with open('test/tc1-vfr.txt','r') as v1f:
    v1 = v1f.readlines()
    del v1[0]
    fpsa = float(v1.pop(0).split(' ')[1])
max = 60000
ts = fn1 = fn2 = last = 0
asm = 1000/fpsa
o=[b'# timecode format v2\n']
ap=o.append
en=str.encode
for line in v1:
    ovr = line.split(',')
    if len(ovr) == 3:
        fn1,fn2,fps = ovr
        fn1 = int(fn1)
        fn2 = int(fn2)
        ovf = 1000/float(fps)
        while (last < fn1 and last < max):
            ap(en('%3.6f\n' % ts))
            last,ts=last+1,ts+asm
        while (last <= fn2 and last < max):
            ap(en('%3.6f\n' % ts))
            last,ts=last+1,ts+ovf
while last < max:
    ap(en('%3.6f\n' % ts))
    last,ts=last+1,ts+asm
with open('newtc.txt','wb') as v2f:
    v2f.writelines(o)