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#!/usr/bin/python3
# novacut: the collaborative video editor
# Copyright (C) 2011 Novacut Inc
#
# This file is part of `novacut`.
#
# `novacut` is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# `novacut` is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
# more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with `novacut`. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Jason Gerard DeRose <jderose@novacut.com>
import time
from userwebkit import BaseApp
from microfiber import Conflict, NotFound
import dbus
from dmedia.util import init_views
import novacut
from novacut import schema
from novacut import views
session = dbus.SessionBus()
def default_settings():
# node = {
# 'muxer': {'name': 'oggmux'},
# 'ext': 'ogv',
# 'video': {
# 'encoder': {
# 'name': 'theoraenc',
# 'props': {
# 'speed-level': 2,
# },
# },
# 'filter': {
# 'mime': 'video/x-raw-yuv',
# 'caps': {
# 'width': 960,
# 'height': 540,
# },
# },
# },
# 'audio': {
# 'encoder': {
# 'name': 'vorbisenc',
# },
# },
# }
node = {
'muxer': {'name': 'avimux'},
'ext': 'avi',
'video': {
'encoder': {
'name': 'x264enc',
'props': {
'pass': 5, # Quality-based encoding
'quantizer': 15, # Lower means higher-quality, default=21
'psy-tune': 5, # Tune for SSIM
},
},
'filter': {
'mime': 'video/x-raw-yuv',
'caps': {
'width': 1280,
'height': 720,
},
},
},
# 'audio': {
# 'encoder': {
# 'name': 'identity',
# },
# 'filter': {
# 'mime': 'audio/x-raw-int',
# },
# },
'audio': {
'encoder': {
'name': 'ffenc_aac',
'props': {
'bitrate': 256000,
},
},
},
}
return schema.create_settings(node)
class App(BaseApp):
name = 'novacut'
dbname = schema.DB_NAME
version = novacut.__version__
title = 'Novacut Video Editor'
splash = 'splash.html'
page = 'projects.html'
proxy_bus = 'org.freedesktop.Dmedia'
maximize = True
# For using gtk-recordmydesktop with the select window option:
# This results in a video that's 1280x720
# maximize = False
# width = 1264
# height = 672
signals = {
'create_project': ['title'],
'project_created': ['project_id'],
'load_project': ['project_id'],
'copy_docs': ['src_db_name', 'dst_db_name', 'doc_ids'],
'thumbnail': ['file_id', 'frames'],
'thumbnail_finished': ['file_id'],
'hash_edit': ['project_id', 'node_id'],
'edit_hashed': ['project_id', 'node_id', 'intrinsic_id'],
'hash_job': ['intrinsic_id', 'settings_id'],
'job_hashed': ['intrinsic_id', 'settings_id', 'job_id'],
'render_job': ['job_id'],
'job_rendered': ['job_id', 'file_id', 'link'],
'delete_project': ['project_id'],
'sos_project': ['project_id'],
}
__Renderer = None
@property
def Renderer(self):
if self.__Renderer is None:
self.__Renderer = session.get_object('com.novacut.Renderer', '/')
self.__Renderer.connect_to_signal('ThumbnailFinished', self.on_ThumbnailFinished)
self.__Renderer.connect_to_signal('EditHashed', self.on_EditHashed)
self.__Renderer.connect_to_signal('JobHashed', self.on_JobHashed)
self.__Renderer.connect_to_signal('JobRendered', self.on_JobRendered)
return self.__Renderer
def on_ThumbnailFinished(self, file_id):
self.hub.send('thumbnail_finished', file_id)
def on_EditHashed(self, project_id, node_id, intrinsic_id):
self.hub.send('edit_hashed', project_id, node_id, intrinsic_id)
def on_JobHashed(self, intrinsic_id, settings_id, job_id):
self.hub.send('job_hashed', intrinsic_id, settings_id, job_id)
def on_JobRendered(self, job_id, file_id, link):
self.hub.send('job_rendered', job_id, file_id, link)
def connect_hub_signals(self, hub):
hub.connect('create_project', self.on_create_project)
hub.connect('load_project', self.on_load_project)
hub.connect('copy_docs', self.on_copy_docs)
hub.connect('thumbnail', self.on_thumbnail)
hub.connect('hash_edit', self.on_hash_edit)
hub.connect('hash_job', self.on_hash_job)
hub.connect('render_job', self.on_render_job)
hub.connect('delete_project', self.on_delete_project)
hub.connect('sos_project', self.on_sos_project)
def post_env_init(self):
init_views(self.db, views.novacut_main)
def dmedia_resolver(self, uri):
return self.proxy.ResolveURI(uri)
def on_create_project(self, hub, title):
print('create_project', title)
doc = schema.create_project(title)
self.db.post(doc)
project = self.server.database(doc['db_name'])
project.put(None) # Create DB
project.post(doc)
init_views(project, views.novacut_projects)
self.load_page('bucket.html#' + doc['_id'])
#self.hub.send('project_created', doc['_id'])
def on_delete_project(self, hub, project_id):
print('delete_project', project_id)
doc = self.db.get(project_id)
doc['isdeleted'] = True
self.db.post(doc)
def on_sos_project(self,hub,project_id):
print('sos_project', project_id)
doc = self.db.get(project_id)
print(doc)
doc['isdeleted'] = False
self.db.post(doc)
def on_load_project(self, hub, project_id):
print('load_project', project_id)
doc = self.db.get(project_id)
doc['atime'] = time.time()
self.db.save(doc)
db = self.server.database(schema.project_db_name(project_id))
init_views(db, views.novacut_projects)
self.load_page('bucket.html#' + project_id)
def on_copy_docs(self, hub, src_db, dst_db, doc_ids):
assert isinstance(doc_ids, list)
docs = []
for _id in doc_ids:
doc = self.server.get(src_db, _id, attachments=True)
del doc['_rev']
docs.append(doc)
self.server.post({'docs': docs}, dst_db, '_bulk_docs')
def on_thumbnail(self, hub, file_id, frames):
self.Renderer.Thumbnail(file_id, frames)
def on_hash_edit(self, hub, project_id, root_id):
print('hash_edit', project_id, root_id)
self.Renderer.HashEdit(project_id, root_id)
def on_hash_job(self, hub, intrinsic_id, settings_id):
print('hash_job', intrinsic_id, settings_id)
if settings_id is None:
settings = default_settings()
settings_id = settings['_id']
try:
self.db.save(settings)
except Conflict:
pass
self.Renderer.HashJob(intrinsic_id, settings_id)
def on_render_job(self, hub, job_id):
print('render_job', job_id)
job = self.db.get(job_id)
if job.get('renders'):
file_id = list(job['renders'])[0]
print('using existing render', file_id)
self.hub.send('job_rendered', job_id, file_id, '')
return
self.Renderer.RenderJob(job_id)
app = App()
app.run()
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