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render all fragments

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This commit is contained in:
j 2023-10-10 16:16:59 +01:00
commit d113c5d79e
4 changed files with 99 additions and 36 deletions
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35
management/commands/render.py
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@ -5,7 +5,7 @@ import subprocess
from django.core.management.base import BaseCommand
from django.conf import settings
from ...render import compose, render
from ...render import render_all
class Command(BaseCommand):
@ -13,38 +13,9 @@ class Command(BaseCommand):
def add_arguments(self, parser):
parser.add_argument('--prefix', action='store', dest='prefix', default="/srv/t_for_time", help='prefix to build clips in')
parser.add_argument('--duration', action='store', dest='duration', default="150", help='target duration in seconds')
parser.add_argument('--duration', action='store', dest='duration', default="3600", help='target duration of all fragments in seconds')
parser.add_argument('--offset', action='store', dest='offset', default="1024", help='inital offset in pi')
parser.add_argument('--no-video', action='store_true', dest='no_video', default=False, help='don\'t render video')
def handle(self, **options):
prefix = options['prefix']
target = int(options['duration'])
base = int(options['offset'])
with open(os.path.join(prefix, "clips.json")) as fd:
clips = json.load(fd)
scene = compose(clips, target=target, base=base)
timelines = render(prefix, scene, 'scene-%s-' % base)
with open(os.path.join(prefix, 'scene-%s.json' % base), 'w') as fd:
json.dump(scene, fd, indent=2, ensure_ascii=False)
if not options['no_video']:
for timeline in timelines:
ext = '.mp4'
if '-audio.kdenlive' in timeline:
ext = '.wav'
cmd = [
'xvfb-run', '-a',
'melt', timeline,
'-consumer', 'avformat:%s' % timeline.replace('.kdenlive', ext)
]
subprocess.call(cmd)
if ext == '.wav':
cmd = [
'ffmpeg', '-i',
timeline.replace('.kdenlive', ext),
timeline.replace('.kdenlive', '.mp4')
]
subprocess.call(cmd)
os.unlink(timeline.replace('.kdenlive', ext))
render_all(options)