Merge branch 'motion-renderer'

make-apple-motion.py

@@ -0,0 +1,129 @@
+#!/usr/bin/env python3
+
+import subprocess
+import renderlib
+import argparse
+import tempfile
+import shlex
+import time
+import sys
+import os
+
+from xml.sax.saxutils import escape as xmlescape
+
+# Parse arguments
+parser = argparse.ArgumentParser(
+	description='C3VOC Intro-Outro-Generator - Variant to use with apple Motion Files',
+	usage="./make.py gpn17/Intro.motn https://url/to/schedule.xml",
+	formatter_class=argparse.RawTextHelpFormatter)
+
+parser.add_argument('motn', action="store", metavar='Motion-File', type=str, help='''
+	Path to your Motion-File .motn-File
+	''')
+parser.add_argument('schedule', action="store", metavar='Schedule-URL', type=str,  nargs='?', help='''
+	URL or Path to your schedule.xml
+	''')
+
+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. Schedule-URL can be left blank when
+	used with --debug
+	This argument must not be used together with --id
+	Usage: ./make.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.py yourproject/ --id 4711 0815 4223 1337
+	''')
+
+args = parser.parse_args()
+
+def error(str):
+	print("##################################################")
+	print(str)
+	print("##################################################")
+	print()
+	parser.print_help()
+	sys.exit(1)
+
+if not args.motn:
+	error("The Motion-File is a rquired argument")
+
+if not args.debug and not args.schedule:
+	error("Either specify --debug or supply a schedule")
+
+if args.debug:
+	persons = ['Arnulf Christl', 'Astrid Emde', 'Dominik Helle', 'Till Adams']
+	events = [{
+		'id': 3773,
+		'title': 'Was ist Open Source, wie funktioniert das?',
+		'subtitle': 'Die Organisation der Open Geo- und GIS-Welt. Worauf man achten sollte.',
+		'persons': persons,
+		'personnames': ', '.join(persons),
+		'room': 'Großer Saal',
+	}]
+
+else:
+	events = renderlib.events(args.schedule)
+
+def run_check(command, **kwargs):
+	args = {}
+	for key, value in kwargs.items():
+		args[key] = shlex.quote(value)
+
+	command = command.format(**args)
+	print(" -> "+command)
+	subprocess.check_call(shlex.split(command))
+
+def render(event):
+	with tempfile.TemporaryDirectory() as tempdir:
+		work_doc = os.path.join(tempdir, "work.motn")
+		intermediate_clip = os.path.join(tempdir, "intermediate.mov")
+		final_clip = os.path.join(os.path.dirname(args.motn), str(event['id'])+'.ts')
+
+		with open(args.motn, 'r') as fp:
+			xmlstr = fp.read()
+
+		for key, value in event.items():
+			xmlstr = xmlstr.replace("$"+str(key), xmlescape(str(value)))
+
+		with open(work_doc, 'w') as fp:
+			fp.write(xmlstr)
+
+		print("  generated work-document in " + work_doc + ", now starting compressor")
+		run_check(
+			'/Applications/Compressor.app/Contents/MacOS/Compressor -jobpath "{jobpath}" -settingpath {home}/Library/Application\ Support/Compressor/Settings/Apple\ ProRes\ 4444.cmprstng -locationpath "{locationpath}"',
+				jobpath=work_doc,
+				home=os.getenv('HOME'),
+				locationpath=intermediate_clip)
+
+		while True:
+			ps = subprocess.check_output(shlex.split('ps aux')).decode('utf-8')
+
+			pscnt = ps.count('compressord')
+			if pscnt == 0:
+				break
+
+			print("  still "+str(pscnt)+" Compressor.app-processes running")
+			time.sleep(5)
+
+
+		print("  generated intermediate-clip in " + intermediate_clip + ", now starting transcoder")
+		run_check(
+			'ffmpeg -y -i "{input}" -ar 48000 -ac 1 -f s16le -i /dev/zero -map 0:0 -c:v mpeg2video -q:v 0 -aspect 16:9 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -shortest -f mpegts "{output}"',
+				input=intermediate_clip,
+				output=final_clip)
+
+		print("  transcoded final-clip to " + final_clip)
+
+
+
+for event in events:
+	if args.ids and event['id'] not in args.ids:
+		continue
+
+	print("rendering", event)
+	render(event)
+