97 lines
4.0 KiB
Python
Executable File
97 lines
4.0 KiB
Python
Executable File
#!/usr/bin/python
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#TODO give an option to use longer version
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# add subtitles download support and conversion
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# support different subtitles extensions
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# add video download support
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# support subs and vids renaming
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# make program organize file
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# add alternative versions
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# passing arguments into program; get rid of hardcoded values
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# fix def write_debug_file(data), so it generates correct values
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# check if you tell ffmpeg after the video is over - how does it handle it?
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# if yes, add r_clamp(.). I would have to get the length of the videos
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import re
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import os
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from datetime import timedelta
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# left clamps. used to make sure that eg. 00:00:02 doesn't become 23:59:52
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def l_clamps(t, delta):
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if t < delta:
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return timedelta()
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else:
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return t - delta
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# if two chunks overlap, they get merged
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def merge_overlap(data):
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prev=data[-1] # might delete this line late
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#this also works, but for surely there's a better way to do this
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for i, cur in enumerate(data):
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if prev['fname']==cur['fname'] and prev['end'] > cur['beg'] - sides: # that means we have to merge them
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cur['beg']=prev['beg']
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cur['desc']=prev['desc']+' | ' +cur['desc']
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data[i-1]={}
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prev = cur
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# it collects data of clips which contain searched phrase
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def generate_splice_data(file_names):
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data = []
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for i, f in enumerate(file_names):
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file = open(path + f)
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for i, line in enumerate(file):
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if i%4 == 2 and re.search(search, line): # we only need to check lines which contain text, hence the first condition
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data.append({
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'fname':f, #file name
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'beg':l_clamps(timedelta(minutes = int(prev[3 :5]), seconds=int(prev[6: 8])), sides), #beginning timestamp
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'end':timedelta(minutes = int(prev[20:22]), seconds=int(prev[23:25])) + sides, #ending timestamp
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'desc':line[:-1]}) #lines said
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if i%4 == 1:
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prev = line # a timestamp line
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return data
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# it generates rip.sh - script which cut nessecsary part
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# i dunno how to spell nessessery
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def write_list_rip(data):
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file_list = open('list.txt', 'w')
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file_rip = open('rip.sh', 'w')
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file_rip.write('#!/bin/bash\n')
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for (i, d) in enumerate(data):
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if (d):
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name = d['fname'][:2] # get a name without an extension
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outname ="../out/{}-{:0>2}.mp4".format(name, i)
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file_list.write("file '{}'\n".format(outname))
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delta = d['end']-d['beg']
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# painfully slow
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# file_rip.write('ffmpeg -i ../original/{}.mp4 -ss 0{} -t 0{} -async 1 {}\n'.format(name, d['beg'], delta ,outname)) # slow but more accurate
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# very fast, but there are still 'bugs'
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true_beg = l_clamps(d['beg'], back)
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d1 = d['beg'] - true_beg # we have to do it his was just in case the clip is at the beginning
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file_rip.write('ffmpeg -ss 0{} -i ../original/{}.mp4 -ss 0{} -t 0{} -c copy {}\n'.format(true_beg, name, d1, delta, outname)) # fast but not accurate
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# generates a debug file - I can see how the clips are laid out
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# at the moment it doesnt work correcty. fix that
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def write_debug_file(data):
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file_debug = open('debug.txt', 'w')
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for d in data:
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if d:
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file_debug.write('{}\t{}\t{}\t{}\n'.format(d['fname'][:2], d['beg'], d['end'], d['desc']))
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if __name__ == "__main__":
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search = '(pesky bird)' # the searched phrase
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sides = timedelta(seconds=10) # time we cut on both sides
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back = timedelta(seconds=60) # how much do we want to go to get better keyframes. dunno how to explain this in two sentences
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path = os.getcwd() + '/../subs/' # subtitles location
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file_names = sorted(os.listdir(path))
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data = generate_splice_data(file_names)
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merge_overlap(data)
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write_list_rip(data)
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write_debug_file(data)
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