# 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.model.effect import Effect
from pluginsmanager.model.lv2.lv2_param import Lv2Param
from pluginsmanager.model.lv2.lv2_input import Lv2Input
from pluginsmanager.model.lv2.lv2_output import Lv2Output
from pluginsmanager.model.lv2.lv2_midi_input import Lv2MidiInput
from pluginsmanager.model.lv2.lv2_midi_output import Lv2MidiOutput
from pluginsmanager.util.dict_tuple import DictTuple
[docs]class Lv2Effect(Effect):
"""
Representation of a Lv2 audio plugin instance.
For general effect use, see :class:`.Effect` class documentation.
It's possible obtains the :class:`.Lv2Plugin` information::
>>> reverb
<Lv2Effect object as 'Calf Reverb' active at 0x7f60effb09e8>
>>> reverb.plugin
<Lv2Plugin object as Calf Reverb at 0x7f60effb9940>
:param Lv2Plugin plugin:
"""
[docs] def __init__(self, plugin):
super(Lv2Effect, self).__init__()
self.plugin = plugin
params = [Lv2Param(self, param) for param in plugin["ports"]["control"]["input"]]
self._params = DictTuple(params, lambda param: param.symbol)
inputs = [Lv2Input(self, effect_input) for effect_input in plugin['ports']['audio']['input']]
self._inputs = DictTuple(inputs, lambda _input: _input.symbol)
outputs = [Lv2Output(self, effect_output) for effect_output in plugin['ports']['audio']['output']]
self._outputs = DictTuple(outputs, lambda _output: _output.symbol)
midi_inputs = [Lv2MidiInput(self, midi_input) for midi_input in plugin['ports']['midi']['input']]
self._midi_inputs = DictTuple(midi_inputs, lambda _output: _output.symbol)
midi_outputs = [Lv2MidiOutput(self, midi_output) for midi_output in plugin['ports']['midi']['output']]
self._midi_outputs = DictTuple(midi_outputs, lambda _output: _output.symbol)
self.instance = None
[docs] def __str__(self):
return str(self.plugin)
[docs] def __repr__(self):
return "<{} object as '{}' {} active at 0x{:x}>".format(
self.__class__.__name__,
str(self),
'' if self.active else 'not',
id(self)
)
@property
def __dict__(self):
return {
'technology': 'lv2',
'plugin': self.plugin['uri'],
'active': self.active,
'params': [param.json for param in self.params],
'version': self.version
}
@property
def version(self):
"""
:return string: Version of plugin of effect
"""
return self.plugin.version