async def setup(self) -> None:
# Make sure the processor is started without a plugin_pipe_path (i.e. not getting
# initialized with an old path from the previous incarnation.
params = node_parameters_pb2.NodeParameters()
plugin_params = params.Extensions[
processor_plugin_pb2.processor_plugin_parameters]
plugin_params.plugin_pipe_path = ''
self.set_parameters(params)
await super().setup()
self.__plugin_host = await self.realm.get_plugin_host()
spec = plugin_host_pb2.PluginInstanceSpec()
spec.realm = self.realm.name
spec.node_id = self.id
spec.node_description.CopyFrom(self.description)
if self.initial_state is not None:
spec.initial_state.CopyFrom(self.initial_state)
create_plugin_request = plugin_host_pb2.CreatePluginRequest(
spec=spec, callback_address=self.realm.callback_address)
create_plugin_response = plugin_host_pb2.CreatePluginResponse()
await self.__plugin_host.call('CREATE_PLUGIN', create_plugin_request,
create_plugin_response)
self.__plugin_pipe_path = create_plugin_response.pipe_path
params = node_parameters_pb2.NodeParameters()
plugin_params = params.Extensions[
processor_plugin_pb2.processor_plugin_parameters]
plugin_params.plugin_pipe_path = self.__plugin_pipe_path
self.set_parameters(params)
def __init__(
self,
*,
host_system: host_system_lib.HostSystem,
description: node_db.NodeDescription,
id: str, # pylint: disable=redefined-builtin
name: Optional[str] = None,
initial_state: Optional[audioproc.PluginState] = None) -> None:
assert isinstance(description, node_db.NodeDescription), description
self._host_system = host_system
self.description = node_db.NodeDescription()
self.description.CopyFrom(description)
self.name = name or type(self).__name__
self.id = id
self.initial_state = initial_state
self.__realm = None # type: realm_lib.PyRealm
self.broken = False
self.ports = [] # type: List[Port]
self.inputs = {} # type: Dict[str, InputPort]
self.outputs = {} # type: Dict[str, OutputPort]
self.__control_values = {
} # type: Dict[str, control_value.PyControlValue]
self.__port_properties = {
} # type: Dict[str, node_port_properties_pb2.NodePortProperties]
self.__parameters = node_parameters_pb2.NodeParameters()
for port_desc in self.description.ports:
self.__add_port(self.__create_port(port_desc))
def test_process_block(self):
self.node_description = self.node_db['builtin://oscilloscope']
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.oscilloscope_spec]
spec.foo = 1
self.processor.set_parameters(params)
self.process_block()
def test_process_block(self):
self.node_description = self.node_db['builtin://midi-looper']
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.midi_looper_spec]
spec.duration.numerator = 8
spec.duration.denominator = 4
self.processor.set_parameters(params)
self.process_block()
def test_process_block(self):
self.node_description = self.node_db['builtin://midi-velocity-mapper']
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.midi_velocity_mapper_spec]
spec.transfer_function.input_min = 0.0
spec.transfer_function.input_max = 127.0
spec.transfer_function.output_min = 0.0
spec.transfer_function.output_max = 127.0
spec.transfer_function.fixed.value = 100.0
self.processor.set_parameters(params)
self.process_block()
def test_process_block(self):
self.node_description = self.node_db['builtin://metronome']
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.metronome_spec]
spec.sample_path = os.path.join(constants.DATA_DIR, 'sounds',
'metronome.wav')
spec.duration.numerator = 1
spec.duration.denominator = 4
self.processor.set_parameters(params)
self.process_block()
self.assertBufferIsNotQuiet('out:left')
self.assertBufferIsNotQuiet('out:right')
def test_process_block(self):
self.node_description = self.node_db['builtin://cv-mapper']
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.cv_mapper_spec]
spec.transfer_function.input_min = -1.0
spec.transfer_function.input_max = 1.0
spec.transfer_function.output_min = -1.0
spec.transfer_function.output_max = 1.0
spec.transfer_function.fixed.value = 0.5
self.processor.set_parameters(params)
self.process_block()
self.assertBufferAllEqual('out', 0.5)
def test_process_block(self):
self.node_description = self.node_db['builtin://step-sequencer']
self.node_description.ports.add(
name='channel1',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
)
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.step_sequencer_spec]
spec.num_steps = 4
spec.time_synched = False
channel1_spec = spec.channels.add()
channel1_spec.type = model_pb2.StepSequencerChannel.VALUE
channel1_spec.step_value.extend([1.0, 0.0, 0.0, 0.0])
self.processor.set_parameters(params)
self.fill_buffer('tempo', 8.0)
self.process_block()
self.assertBufferIsNotQuiet('channel1')
def test_process_block(self):
self.node_description = self.node_db['builtin://midi-cc-to-cv']
self.node_description.ports.add(
name='channel1',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
)
self.create_processor()
params = node_parameters_pb2.NodeParameters()
spec = params.Extensions[processor_pb2.midi_cc_to_cv_spec]
channel_spec = spec.channels.add()
channel_spec.midi_channel = 1
channel_spec.midi_controller = 12
channel_spec.initial_value = 0
channel_spec.min_value = 1.0
channel_spec.max_value = 2.0
channel_spec.log_scale = False
self.processor.set_parameters(params)
self.process_block()
self.assertBufferAllEqual('channel1', 1.0)
def parameters(self) -> node_parameters_pb2.NodeParameters:
params = node_parameters_pb2.NodeParameters()
params.CopyFrom(self.__parameters)
return params
