add blender support
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derchris
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320
make-blender.py
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320
make-blender.py
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#!/usr/bin/env python3
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# vim: tabstop=4 shiftwidth=4 expandtab
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import subprocess
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import renderlib
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import argparse
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import tempfile
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import shlex
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import time
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import sys
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import os
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import platform
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from shutil import copyfile
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titlemap = {
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'id': "11404", 'title': "Attacking CPUs with Power Side Channels from Software",
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'id': "205", 'title': "Attacking CPUs with Power Side Channels from Software",
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}
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# Parse arguments
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parser = argparse.ArgumentParser(
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description='C3VOC Intro-Outro-Generator - Variant to use with Blender Files',
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usage="./make-blender.py yourproject/ https://url/to/schedule.xml",
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formatter_class=argparse.RawTextHelpFormatter)
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parser.add_argument('project', action="store", metavar='Project folder', type=str, help='''
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Path to your project folder with Blender Files (intro.blend)
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''')
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parser.add_argument('schedule', action="store", metavar='Schedule-URL', type=str, nargs='?', help='''
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URL or Path to your schedule.xml
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''')
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parser.add_argument('--debug', action="store_true", default=False, help='''
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Run script in debug mode and render with placeholder texts,
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not parsing or accessing a schedule. Schedule-URL can be left blank when
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used with --debug
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This argument must not be used together with --id
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Usage: ./make-blender.py yourproject/ --debug
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''')
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parser.add_argument('--id', dest='ids', nargs='+', action="store", type=int, help='''
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Only render the given ID(s) from your projects schedule.
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This argument must not be used together with --debug
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Usage: ./make-adobe-after-effects.py yourproject/ --id 4711 0815 4223 1337
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''')
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parser.add_argument('--room', dest='rooms', nargs='+', action="store", type=str, help='''
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Only render the given room(s) from your projects schedule.
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This argument must not be used together with --debug
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Usage: ./make-adobe-after-effects.py yourproject/ --room "HfG_Studio" "ZKM_Vortragssaal"
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''')
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parser.add_argument('--day', dest='days', nargs='+', action="store", type=str, help='''
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Only render from your projects schedule for the given days.
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This argument must not be used together with --debug
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Usage: ./make-adobe-after-effects.py yourproject/ --day "1" "3"
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''')
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parser.add_argument('--pause', action="store_true", default=False, help='''
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Render a pause loop from the pause.blend file in the project folder.
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''')
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parser.add_argument('--alpha', action="store_true", default=False, help='''
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Render intro/outro with alpha.
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''')
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parser.add_argument('--force', action="store_true", default=False, help='''
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Force render if file exists.
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''')
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parser.add_argument('--no-finalize', dest='nof', action="store_true", default=False, help='''
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Skip finalize job.
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''')
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parser.add_argument('--outro', action="store_true", default=False, help='''
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Render outro from the outro.blend file in the project folder.
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''')
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parser.add_argument('--bgloop', action="store_true", default=False, help='''
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Render background loop from the bgloop.blend file in the project folder.
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''')
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parser.add_argument('--keep', action="store_true", default=False, help='''
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Keep source file in the project folder after render.
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''')
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args = parser.parse_args()
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def headline(str):
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print("##################################################")
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print(str)
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print("##################################################")
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print()
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def error(str):
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headline(str)
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parser.print_help()
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sys.exit(1)
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if not args.project:
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error("The Path to your project with Blender Files is a required argument")
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if not args.debug and not args.pause and not args.outro and not args.bgloop and not args.schedule:
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error("Either specify --debug, --pause, --outro or supply a schedule")
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if args.debug:
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#persons = ['blubbel']
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persons = ['Vitor Sakaguti', 'Sara', 'A.L. Fehlhaber']
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events = [{
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'id': 11450,
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'title': 'PQ Mail: Enabling post quantum secure encryption for email communication',
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'subtitle': '',
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'persons': persons,
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'personnames': ', '.join(persons),
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'room': 'rc1',
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}]
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elif args.pause:
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events = [{
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'id': 'pause',
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'title': 'Pause Loop',
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}]
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elif args.outro:
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events = [{
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'id': 'outro',
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'title': 'Outro',
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}]
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elif args.bgloop:
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events = [{
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'id': 'bgloop',
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'title': 'Background Loop',
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}]
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else:
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events = list(renderlib.events(args.schedule))
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def describe_event(event):
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return "#{}: {}".format(event['id'], event['title'])
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def event_print(event, message):
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print("{} – {}".format(describe_event(event), message))
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tempdir = tempfile.TemporaryDirectory()
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print('working in ' + tempdir.name)
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def fmt_command(command, **kwargs):
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args = {}
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for key, value in kwargs.items():
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args[key] = shlex.quote(value)
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command = command.format(**args)
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return shlex.split(command)
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def run(command, **kwargs):
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return subprocess.check_call(
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fmt_command(command, **kwargs),
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stderr=subprocess.STDOUT,
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stdout=subprocess.DEVNULL)
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def run_show(command, **kwargs):
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return subprocess.check_call(
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fmt_command(command, **kwargs),
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stderr=subprocess.STDOUT)
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def run_output(command, **kwargs):
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return subprocess.check_output(
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fmt_command(command, **kwargs),
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stderr=subprocess.STDOUT)
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def enqueue_job(event):
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event_id = str(event['id'])
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if (os.path.exists(os.path.join(args.project, event_id + '.ts')) or os.path.exists(os.path.join(args.project, event_id + '.mkv'))) and not args.force:
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event_print(event, "file exist, skipping " + str(event['id']))
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return
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work_doc = os.path.join(tempdir.name, event_id + '.py')
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work_comp = os.path.join(args.project, event_id + '.blend')
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work_source = os.path.join(args.project, 'intro.blend')
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intermediate_clip = os.path.join(tempdir.name, event_id + '.mkv')
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if event_id == 'pause' or event_id == 'outro' or event_id == 'bgloop':
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copyfile(args.project + event_id + '.blend', work_doc)
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if platform.system() == 'Darwin':
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run(r'/Applications/Blender.app/Contents/MacOS/Blender --background {comp} --use-extension 1 --threads 0 --render-output {locationpath} --render-anim',
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comp=work_comp,
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locationpath=intermediate_clip)
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if platform.system() == 'Windows':
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run(r'C:/Program\ Files/Blender\ Foundation/Blender\ 2.91/blender.exe --background {comp} --use-extension 1 --threads 0 --render-output {locationpath} --render-anim',
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comp=work_comp,
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locationpath=intermediate_clip)
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else:
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with open(args.project + 'intro.py', 'r') as fp:
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scriptstr = fp.read()
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for key, value in event.items():
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value = str(value).replace('"', '\\"')
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scriptstr = scriptstr.replace("$" + str(key), value)
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with open(work_doc, 'w', encoding='utf-8') as fp:
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fp.write(scriptstr)
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if platform.system() == 'Darwin':
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run(r'/Applications/Blender.app/Contents/MacOS/Blender --background {source} --python-use-system-env --python {jobpath} --use-extension 1 --threads 0 --render-output {locationpath} --render-anim',
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source=work_source,
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jobpath=work_doc,
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locationpath=intermediate_clip)
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if platform.system() == 'Windows':
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run(r'C:/Program\ Files/Blender\ Foundation/Blender\ 2.91/blender.exe --background {source} --python-use-system-env --python {jobpath} --use-extension 1 --threads 0 --render-output {locationpath} --render-anim',
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source=work_source,
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jobpath=work_doc,
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locationpath=intermediate_clip)
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if args.debug or args.keep:
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copyfile(work_doc, args.project + event_id + '.py')
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return event_id
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def finalize_job(job_id, event):
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event_id = str(event['id'])
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intermediate_clip = os.path.join(tempdir.name, event_id + '.mkv')
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final_clip = os.path.join(os.path.dirname(args.project), event_id + '.ts')
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if args.alpha:
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ffprobe = run_output('ffprobe -i {input} -show_streams -select_streams a -loglevel error',
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input=intermediate_clip)
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if ffprobe:
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run('ffmpeg -threads 0 -y -hide_banner -loglevel error -i {input} -c:v qtrle -movflags faststart -aspect 16:9 -c:a mp2 -b:a 384k -shortest -f mov {output}',
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input=intermediate_clip,
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output=final_clip)
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else:
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run('ffmpeg -threads 0 -y -hide_banner -loglevel error -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=48000 -i {input} -c:v qtrle -movflags faststart -aspect 16:9 -c:a mp2 -b:a 384k -shortest -f mov {output}',
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input=intermediate_clip,
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output=final_clip)
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else:
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ffprobe = run_output('ffprobe -i {input} -show_streams -select_streams a -loglevel error',
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input=intermediate_clip)
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if ffprobe:
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event_print(event, "finalize with audio from source file")
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run('ffmpeg -threads 0 -y -hide_banner -loglevel error -i {input} -c:v mpeg2video -q:v 2 -aspect 16:9 -c:a mp2 -b:a 384k -shortest -f mpegts {output}',
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input=intermediate_clip,
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output=final_clip)
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else:
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event_print(event, "finalize with silent audio")
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run('ffmpeg -threads 0 -y -hide_banner -loglevel error -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=48000 -i {input} -c:v mpeg2video -q:v 2 -aspect 16:9 -c:a mp2 -b:a 384k -shortest -f mpegts {output}',
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input=intermediate_clip,
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output=final_clip)
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if event_id == 'pause' or event_id == 'outro' or event_id == 'bgloop':
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event_print(event, "finalized " + str(event_id) + " to " + final_clip)
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else:
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event_print(event, "finalized intro to " + final_clip)
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if args.ids:
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if len(args.ids) == 1:
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print("enqueuing {} job into aerender".format(len(args.ids)))
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else:
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print("enqueuing {} jobs into aerender".format(len(args.ids)))
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else:
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if len(events) == 1:
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print("enqueuing {} job into aerender".format(len(events)))
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else:
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print("enqueuing {} jobs into aerender".format(len(events)))
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for event in events:
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if args.ids and event['id'] not in args.ids:
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continue
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if args.rooms and event['room'] not in args.rooms:
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print("skipping room %s (%s)" % (event['room'], event['title']))
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continue
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if args.days and event['day'] not in args.days:
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print("skipping day %s (%s)" % (event['day'], event['title']))
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continue
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if str(event['id']) in str(titlemap['id']):
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event_print(event, "titlemap replacement")
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event['title'] = titlemap['title']
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event_print(event, "enqueued as " + str(event['id']))
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job_id = enqueue_job(event)
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if not job_id:
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event_print(event, "job was not enqueued successfully, skipping postprocessing")
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continue
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if not args.nof:
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event_print(event, "finalizing job")
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finalize_job(job_id, event)
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else:
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event_id = str(event['id'])
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event_print(event, "skipping finalizing job")
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if platform.system() == 'Windows':
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intermediate_clip = os.path.join(tempdir.name, event_id + '.avi')
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final_clip = os.path.join(os.path.dirname(args.project), event_id + '.avi')
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else:
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intermediate_clip = os.path.join(tempdir.name, event_id + '.mov')
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final_clip = os.path.join(os.path.dirname(args.project), event_id + '.mov')
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copyfile(intermediate_clip, final_clip)
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event_print(event, "copied intermediate clip to " + final_clip)
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if args.debug or args.keep:
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print('keeping source files in ' + args.project)
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else:
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print('all done, cleaning up ' + tempdir.name)
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tempdir.cleanup()
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