Files
rough-edit/gen-script.py
2020-06-25 15:12:22 +02:00

79 lines
3.2 KiB
Python
Executable File

#!/usr/bin/python
import re
import os
from datetime import timedelta
#TODO give an option to use longer version
# the fast version should be for testing only a
# implement fast better quality version. will have to use
# make it so the application dowloads subtitles and videos and names them correctly
#check if you tell ffmpeg after the video is over - how does it handle it?
# left clamps. used to make sure that eg. 00:00:02 doesn't become 23:59:52
def l_clamps(t, delta):
if t < delta:
return timedelta()
else:
return t - delta
# if two chunks overlap, they get merged
def merge_overlap(data):
prev=data[-1] # it should work for now, but i should find a better solution
#this also works, but for surely there's a better way to do this
for i, cur in enumerate(data):
if prev['fname']==cur['fname'] and prev['end'] > cur['beg'] - sides: # that means we have to merge them
cur['beg']=prev['beg']
cur['desc']=prev['desc']+' | ' +cur['desc']
data[i-1]={}
prev = cur
def generate_splice_data(file_names):
data = []
for i, f in enumerate(file_names):
file = open(path + f)
for i, line in enumerate(file):
if i%4 == 2 and re.search(search, line): # we only need to check lines which contain text, hence the first condition
data.append({
'fname':f, #file name
'beg':l_clamps(timedelta(minutes = int(prev[3 :5]), seconds=int(prev[6: 8])), sides), #beginning timestamp
'end':timedelta(minutes = int(prev[20:22]), seconds=int(prev[23:25])), #ending timestamp
'desc':line[:-1]}) #lines said
if i%4 == 1:
prev = line # a timestamp line
return data
def write_list_rip(data):
file_list = open('list.txt', 'w')
file_rip = open('rip.sh', 'w')
file_rip.write('#!/bin/bash\n')
for (i, d) in enumerate(data):
if (d):
name = d['fname'][:2] # get a name without an extension
outname ="../out/{}-{:0>2}.mp4".format(name, i)
file_list.write("file '{}'\n".format(outname))
delta=d['end']-d['beg']+timedelta(seconds=6)
file_rip .write('ffmpeg -ss {} -i ../original/{}.mp4 -to 0{} -c copy {}\n'.format(d['beg'], name, d['end']-d['beg'],outname)) # fast but not accurate
# file_rip .write('ffmpeg -i ../original/{}.mp4 -ss 0{} -t 0{} -async 1 {}\n'.format(name, d['beg'], delta ,outname)) # slow but more accurate
def write_debug_file(data):
file_debug = open('debug.txt', 'w')
for d in data:
if d:
file_debug.write('{}\t{}\t{}\t{}\n'.format(d['fname'][:2], d['beg'], d['end'], d['desc']))
if __name__ == "__main__":
search = '(pesky bird)' # the searched phrase
sides = timedelta(seconds=10) # time we cut on both sides
path = os.getcwd() + '/../subs/' # subtitles location
file_names = sorted(os.listdir(path))
data = generate_splice_data(file_names)
merge_overlap(data)
write_list_rip(data)
write_debug_file(data)