intro-outro-generator/make-ffmpeg.py
Jannik Beyerstedt 909bf79673 [TIDY] Refactor renderlib into two parts
Most of the make scripts only need the schedule part of the renderlib.
The schedule part has way less dependencies (e.g. no ImageMagick), so
those scripts can be used without them now.
2023-10-22 21:43:24 +02:00

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#!/usr/bin/env python3
# vim: tabstop=4 shiftwidth=4 expandtab
import os
import sys
import subprocess
import schedulelib
import argparse
import shlex
from PIL import ImageFont
from configparser import ConfigParser
import json
import platform
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
# Parse arguments
parser = argparse.ArgumentParser(
description='C3VOC Intro-Outro-Generator - Variant which renders only using video filters in ffmpeg',
usage="./make-ffmpeg.py yourproject/",
formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('project', action="store", metavar='Project folder', type=str, help='''
Path to your project folder
''')
parser.add_argument('--debug', action="store_true", default=False, help='''
Run script in debug mode and render with placeholder texts,
not parsing or accessing a schedule.
This argument must not be used together with --id
Usage: ./make-ffmpeg.py yourproject/ --debug
''')
parser.add_argument('--id', dest='ids', nargs='+', action="store", type=int, help='''
Only render the given ID(s) from your projects schedule.
This argument must not be used together with --debug
Usage: ./make-adobe-after-effects.py yourproject/ --id 4711 0815 4223 1337
''')
parser.add_argument('--room', dest='rooms', nargs='+', action="store", type=str, help='''
Only render the given room(s) from your projects schedule.
This argument must not be used together with --debug
Usage: ./make-adobe-after-effects.py yourproject/ --room "HfG_Studio" "ZKM_Vortragssaal"
''')
parser.add_argument('--skip', nargs='+', action="store", type=str, help='''
Skip ID(s) not needed to be rendered.
Usage: ./make-ffmpeg.py yourproject/ --skip 4711 0815 4223 1337
''')
parser.add_argument('--force', action="store_true", default=False, help='''
Force render if file exists.
''')
args = parser.parse_args()
if (args.skip is None):
args.skip = []
def headline(str):
print("##################################################")
print(str)
print("##################################################")
print()
def error(str):
headline(str)
parser.print_help()
sys.exit(1)
cparser = ConfigParser()
cparser.read(os.path.join(os.path.dirname(args.project), 'config.ini'))
template = cparser['default']['template']
alpha = cparser['default']['alpha']
prores = cparser['default']['prores']
fontfile = cparser['default']['fontfile'] # use a font file instead of a font family
inout = cparser['default']['inout'] # in and out time format: t for seconds, n for frame number
title_in = cparser['title']['in']
title_out = cparser['title']['out']
title_fontfamily = cparser['title']['fontfamily']
title_fontfile = cparser['title']['fontfile']
title_fontsize = cparser['title']['fontsize']
title_fontcolor = cparser['title']['fontcolor']
title_x = cparser['title']['x']
title_y = cparser['title']['y']
speaker_in = cparser['speaker']['in']
speaker_out = cparser['speaker']['out']
speaker_fontfamily = cparser['speaker']['fontfamily']
speaker_fontfile = cparser['speaker']['fontfile']
speaker_fontsize = cparser['speaker']['fontsize']
speaker_fontcolor = cparser['speaker']['fontcolor']
speaker_x = cparser['speaker']['x']
speaker_y = cparser['speaker']['y']
text_in = cparser['text']['in']
text_out = cparser['text']['out']
text_fontfamily = cparser['text']['fontfamily']
text_fontfile = cparser['text']['fontfile']
text_fontsize = cparser['text']['fontsize']
text_fontcolor = cparser['text']['fontcolor']
text_x = cparser['text']['x']
text_y = cparser['text']['y']
text_text = cparser['text']['text']
font_t = os.path.join(os.path.dirname(args.project), title_fontfile)
font_s = os.path.join(os.path.dirname(args.project), speaker_fontfile)
font_tt = os.path.join(os.path.dirname(args.project), text_fontfile)
fileformat = os.path.splitext(template)[1]
infile = os.path.join(os.path.dirname(args.project), template)
schedule = cparser['default']['schedule']
if not (os.path.exists(os.path.join(args.project, template))):
error("Template file {} in Project Path is missing".format(template))
for ffile in (title_fontfile, speaker_fontfile, text_fontfile):
if not (os.path.exists(os.path.join(args.project, ffile))):
error("Font file {} in Project Path is missing".format(ffile))
if not (os.path.exists(os.path.join(args.project, 'config.ini'))):
error("config.ini file in Project Path is missing")
if alpha == 'true' and not fileformat == '.mov':
error("Alpha can only be rendered with .mov source files")
if not args.project:
error("The Project Path is a required argument")
if not args.debug and not schedule:
error("Either specify --debug or supply a schedule in config.ini")
if args.debug:
persons = ['Thomas Roth', 'Dmitry Nedospasov', 'Josh Datko',]
events = [{
'id': 'debug',
'title': 'wallet.fail',
'subtitle': 'Hacking the most popular cryptocurrency hardware wallets',
'persons': persons,
'personnames': ', '.join(persons),
'room': 'Borg',
}]
else:
events = list(schedulelib.events(schedule))
def describe_event(event):
return "#{}: {}".format(event['id'], event['title'])
def event_print(event, message):
print("{} {}".format(describe_event(event), message))
def fmt_command(command, **kwargs):
args = {}
for key, value in kwargs.items():
args[key] = shlex.quote(value)
command = command.format(**args)
return shlex.split(command)
def run(command, **kwargs):
return subprocess.check_call(
fmt_command(command, **kwargs),
stderr=subprocess.STDOUT,
stdout=subprocess.DEVNULL)
def fit_text(string: str, frame_width):
split_line = [x.strip() for x in string.split()]
lines = ""
w = 0
line_num = 0
line = ""
for word in split_line:
left, top, right, bottom = translation_font.getbbox(" ".join([line, word]))
width, height = right - left, bottom - top
if width > (frame_width - (2 * 6)):
lines += line.strip() + "\n"
line = ""
line += word + " "
lines += line.strip()
return lines
def fit_title(string: str):
global translation_font
translation_font = ImageFont.truetype(
font_t, size=80, encoding="unic")
title = fit_text(string, 1080)
return title
def fit_speaker(string: str):
global translation_font
translation_font = ImageFont.truetype(
font_s, size=50, encoding="unic")
speaker = fit_text(string, 1080)
return speaker
def enqueue_job(event):
event_id = str(event['id'])
if event_id in args.skip:
event_print(event, "skipping " + str(event['id']))
return
if (os.path.exists(os.path.join(args.project, event_id + '.ts')) or os.path.exists(os.path.join(args.project, event_id + '.mov'))) and not args.force:
event_print(event, "file exist, skipping " + str(event['id']))
return
event_title = str(event['title'])
event_personnames = str(event['personnames'])
event_title = event_title.replace('"', '\\"')
event_title = event_title.replace('\'', '')
event_personnames = event_personnames.replace('"', '\\"')
t = fit_title(event_title)
t = t.replace(':', "\:") # the ffmpeg command needs colons to be escaped
s = fit_speaker(event_personnames)
if args.debug:
print('Title: ', t)
print('Speaker: ', s)
outfile = os.path.join(os.path.dirname(args.project), event_id + '.ts')
if platform.system() == 'Windows':
ffmpeg_path = './ffmpeg.exe'
font_t_win = "/".join(font_t.split("\\"))
font_s_win = "/".join(font_s.split("\\"))
font_tt_win = "/".join(font_tt.split("\\"))
else:
ffmpeg_path = 'ffmpeg'
if fontfile == 'true':
if platform.system() == 'Windows':
videofilter = "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}',".format(title_in, title_out, font_t_win, title_fontsize, title_fontcolor, title_x, title_y, t, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}':box=1,".format(speaker_in, speaker_out, font_s_win, speaker_fontsize, speaker_fontcolor, speaker_x, speaker_y, s, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}'".format(text_in, text_out, font_tt_win, text_fontsize, text_fontcolor, text_x, text_y, text_text, inout)
else:
videofilter = "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}',".format(title_in, title_out, font_t, title_fontsize, title_fontcolor, title_x, title_y, t, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}':box=1,".format(speaker_in, speaker_out, font_s, speaker_fontsize, speaker_fontcolor, speaker_x, speaker_y, s, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':fontfile='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}'".format(text_in, text_out, font_tt, text_fontsize, text_fontcolor, text_x, text_y, text_text, inout)
else:
videofilter = "drawtext=enable='between({8},{0},{1})':font='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}',".format(title_in, title_out, title_fontfamily, title_fontsize, title_fontcolor, title_x, title_y, t, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':font='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}':box=1,".format(speaker_in, speaker_out, speaker_fontfamily, speaker_fontsize, speaker_fontcolor, speaker_x, speaker_y, s, inout)
videofilter += "drawtext=enable='between({8},{0},{1})':font='{2}':fontsize={3}:fontcolor={4}:x={5}:y={6}:text='{7}'".format(text_in, text_out, text_fontfamily, text_fontsize, text_fontcolor, text_x, text_y, text_text, inout)
if fileformat == '.mov':
if alpha == 'true':
if prores == 'true':
cmd = '{3} -y -i "{0}" -vf "{1}" -vcodec prores_ks -pix_fmt yuva444p10le -profile:v 4444 -shortest -movflags faststart -f mov "{2}"'.format(infile, videofilter, outfile, ffmpeg_path)
else:
cmd = '{3} -y -i "{0}" -vf "{1}" -shortest -c:v qtrle -movflags faststart -f mov "{2}"'.format(infile, videofilter, outfile, ffmpeg_path)
else:
cmd = '{3} -y -i "{0}" -vf "{1}" -map 0:0 -c:v mpeg2video -q:v 2 -aspect 16:9 -map 0:1 -c:a mp2 -b:a 384k -shortest -f mpegts "{2}"'.format(infile, videofilter, outfile, ffmpeg_path)
else:
cmd = '{3} -y -i "{0}" -vf "{1}" -map 0:0 -c:v mpeg2video -q:v 2 -aspect 16:9 -map 0:1 -c:a mp2 -b:a 384k -shortest -f mpegts "{2}"'.format(infile, videofilter, outfile, ffmpeg_path)
if args.debug:
print(cmd)
run(cmd)
return event_id
if args.ids:
if len(args.ids) == 1:
print("enqueuing {} job".format(len(args.ids)))
else:
print("enqueuing {} jobs".format(len(args.ids)))
else:
if len(events) == 1:
print("enqueuing {} job".format(len(events)))
else:
print("enqueuing {} jobs".format(len(events)))
for event in events:
if args.ids and event['id'] not in args.ids:
continue
if args.rooms and event['room'] not in args.rooms:
print("skipping room %s (%s)" % (event['room'], event['title']))
continue
event_print(event, "enqueued as " + str(event['id']))
job_id = enqueue_job(event)
if not job_id:
event_print(event, "job was not enqueued successfully, skipping postprocessing")
continue
print('all done')