# Copyright 2017 SrMouraSilva
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from pluginsmanager.observer.mod_host.connection import Connection
from pluginsmanager.observer.mod_host.protocol_parser import ProtocolParser
[docs]class Host:
"""
Bridge between *mod-host* API and *mod-host* process
"""
def __init__(self, address='localhost', port=5555):
# mod-host works if only exists two connections:
# - For communication
try:
self.connection = Connection(port, address)
except ConnectionRefusedError as e:
raise ConnectionRefusedError(str(e) + '. Do you starts mod-host?') from e
# - For callback?
self.connection_fd = Connection(port+1, address)
self.instance_index = 0
[docs] def add(self, effect):
"""
Add an LV2 plugin encapsulated as a jack client
:param Lv2Effect effect: Effect that will be loaded as LV2 plugin encapsulated
"""
effect.instance = self.instance_index
self.instance_index += 1
self.connection.send(ProtocolParser.add(effect))
[docs] def remove(self, effect):
"""
Remove an LV2 plugin instance (and also the jack client)
:param Lv2Effect effect: Effect that your jack client encapsulated will removed
"""
self.connection.send(ProtocolParser.remove(effect))
[docs] def connect(self, connection):
"""
Connect two effect audio ports
:param pluginsmanager.model.connection.Connection connection: Connection with the two effect audio ports (output and input)
"""
self.connection.send(ProtocolParser.connect(connection))
[docs] def disconnect(self, connection):
"""
Disconnect two effect audio ports
:param pluginsmanager.model.connection.Connection connection: Connection with the two effect audio ports (output and input)
"""
self.connection.send(ProtocolParser.disconnect(connection))
[docs] def set_param_value(self, param):
"""
Set a value to given control
:param Lv2Param param: Param that the value will be updated
"""
self.connection.send(ProtocolParser.param_set(param))
[docs] def set_status(self, effect):
"""
Toggle effect processing
:param Lv2Effect effect: Effect with the status updated
"""
self.connection.send(ProtocolParser.bypass(effect))
[docs] def quit(self):
"""
Quit the connection with mod-host and
stop the mod-host process
"""
self.connection.send(ProtocolParser.quit())
self.close()
[docs] def close(self):
"""
Quit the connection with mod-host
"""
self.connection.close()
self.connection_fd.close()