def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.passthru_description = node_db.NodeDescription(
uri='test://passthru',
type=node_db.NodeDescription.PROCESSOR,
ports=[
node_db.PortDescription(
name='in:left',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='in:right',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:left',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:right',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
],
processor=node_db.ProcessorDescription(type='builtin://null', ),
)
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 description(self) -> node_db.NodeDescription:
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_description.MidiCCtoCVDescription)
for idx in range(len(self.channels)):
node_desc.ports.add(
name='channel%d' % (idx + 1),
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
)
return node_desc
def test_id(self):
node_description = node_db.NodeDescription(
uri='test://test',
type=node_db.NodeDescription.PROCESSOR,
ports=[],
processor=node_db.ProcessorDescription(
type='builtin://null',
),
)
proc1 = processor.PyProcessor('realm', 'test_node_1', self.host_system, node_description)
proc2 = processor.PyProcessor('realm', 'test_node_2', self.host_system, node_description)
self.assertNotEqual(proc1.id, proc2.id)
async def __handle_play_file(
self, session: Session, request: audioproc_pb2.PlayFileRequest,
response: empty_message_pb2.EmptyMessage) -> None:
realm = self.__engine.get_realm('root')
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_db.Builtins.SoundFileDescription)
node_desc.sound_file.sound_file_path = request.path
node = engine.Node.create(host_system=self.__host_system,
id=uuid.uuid4().hex,
description=node_desc)
realm.graph.add_node(node)
await realm.setup_node(node)
sink = realm.graph.find_node('sink')
sink.inputs['in:left'].connect(node.outputs['out:left'],
node_db.PortDescription.AUDIO)
sink.inputs['in:right'].connect(node.outputs['out:right'],
node_db.PortDescription.AUDIO)
realm.update_spec()
sound_file_complete_uri = 'http://noisicaa.odahoda.de/lv2/processor_sound_file#complete'
complete = asyncio.Event(loop=self.event_loop)
def handle_notification(
notification: engine_notification_pb2.EngineNotification
) -> None:
for node_message in notification.node_messages:
if node_message.node_id == node.id:
msg = lv2.wrap_atom(self.__urid_mapper,
node_message.atom).as_object
if msg.get(sound_file_complete_uri, False):
complete.set()
listener = self.__engine.notifications.add(handle_notification)
try:
await asyncio.wait_for(complete.wait(),
timeout=10.0,
loop=self.event_loop)
except asyncio.TimeoutError:
pass
listener.remove()
sink.inputs['in:left'].disconnect(node.outputs['out:left'])
sink.inputs['in:right'].disconnect(node.outputs['out:right'])
realm.graph.remove_node(node)
realm.update_spec()
def test_event_input_port(self):
self.node_description = node_db.NodeDescription(
uri='test://test',
type=node_db.NodeDescription.PROCESSOR,
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.EVENTS],
),
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
],
processor=node_db.ProcessorDescription(
type='builtin://csound',
),
csound=node_db.CSoundDescription(
orchestra=textwrap.dedent("""\
sr=44100
0dbfs=1
ksmps=32
nchnls=1
gaOut chnexport "out", 2
instr 1
iPitch = p4
iVelocity = p5
iFreq = cpsmidinn(iPitch)
iVolume = -20 * log10(127^2 / iVelocity^2)
gaOut = db(iVolume) * linseg(0, 0.08, 1, 0.1, 0.6, 0.5, 0.0) * poscil(1.0, iFreq)
endin
"""),
score='',
),
)
self.create_processor()
self.fill_midi_buffer(
'in',
[(0, [0x90, 60, 100]),
(64, [0x80, 60, 0])])
self.process_block()
self.assertBufferIsNotQuiet('out')
def test_csound(self):
self.node_description = node_db.NodeDescription(
uri='test://test',
type=node_db.NodeDescription.PROCESSOR,
ports=[
node_db.PortDescription(
name='gain',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
),
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
],
processor=node_db.ProcessorDescription(
type='builtin://csound',
),
csound=node_db.CSoundDescription(
orchestra=textwrap.dedent("""\
sr=44100
0dbfs=1
ksmps=32
nchnls=1
gkGain chnexport "gain", 1
gaIn chnexport "in", 1
gaOut chnexport "out", 2
instr 1
gaOut = gkGain * gaIn
endin
"""),
score='i1 0 -1',
),
)
self.create_processor()
self.fill_buffer('in', 1.0)
self.fill_buffer('gain', 0.5)
self.process_block()
self.assertBufferAllEqual('out', 0.5)
def description(self) -> node_db.NodeDescription:
desc = node_db.NodeDescription()
desc.CopyFrom(node_description.CustomCSoundDescription)
for port in self.ports:
port_desc = desc.ports.add(
name=port.name,
display_name=port.display_name or port.name,
types=[port.type],
direction=port.direction,
csound_name=port.csound_name,
)
if port.type in (node_db.PortDescription.KRATE_CONTROL,
node_db.PortDescription.ARATE_CONTROL):
port_desc.float_value.min = 0.0
port_desc.float_value.max = 1.0
port_desc.float_value.default = 0.0
return desc
def scan(self) -> Iterator[node_db.NodeDescription]:
rootdir = os.path.join(constants.DATA_DIR, 'csound')
for dirpath, _, filenames in os.walk(rootdir):
for filename in filenames:
if not filename.endswith('.csnd'):
continue
uri = 'builtin://csound/%s' % filename[:-5]
path = os.path.join(dirpath, filename)
logger.info("Loading csound node %s from %s", uri, path)
tree = ElementTree.parse(path)
root = tree.getroot()
assert root.tag == 'csound'
desc = node_db.NodeDescription()
desc.uri = uri
desc.supported = True
desc.node_ui.type = 'builtin://plugin'
desc.builtin_icon = 'node-type-builtin'
desc.type = node_db.NodeDescription.PROCESSOR
desc.processor.type = 'builtin://csound'
desc.display_name = ''.join(
root.find('display-name').itertext())
desc.has_ui = False
for port_elem in root.find('ports').findall('port'):
port_desc = desc.ports.add()
port_desc.name = port_elem.get('name')
display_name_elem = port_elem.find('display-name')
if display_name_elem is not None:
port_desc.display_name = ''.join(
display_name_elem.itertext())
port_desc.types.append({
'audio':
node_db.PortDescription.AUDIO,
'kratecontrol':
node_db.PortDescription.KRATE_CONTROL,
'aratecontrol':
node_db.PortDescription.ARATE_CONTROL,
'events':
node_db.PortDescription.EVENTS,
}[port_elem.get('type')])
port_desc.direction = {
'input': node_db.PortDescription.INPUT,
'output': node_db.PortDescription.OUTPUT,
}[port_elem.get('direction')]
if port_desc.direction == node_db.PortDescription.OUTPUT:
drywet_elem = port_elem.find('drywet')
if drywet_elem is not None:
port_desc.drywet_port = drywet_elem.get('port')
port_desc.drywet_default = float(
drywet_elem.get('default'))
bypass_elem = port_elem.find('bypass')
if bypass_elem is not None:
port_desc.bypass_port = bypass_elem.get('port')
if (port_desc.direction == node_db.PortDescription.INPUT
and port_desc.types[0]
== node_db.PortDescription.EVENTS):
csound_elem = port_elem.find('csound')
if csound_elem is not None:
port_desc.csound_name = csound_elem.get('instr')
if (port_desc.direction == node_db.PortDescription.INPUT
and port_desc.types[0]
in (node_db.PortDescription.KRATE_CONTROL,
node_db.PortDescription.ARATE_CONTROL)):
float_control_elem = port_elem.find('float-control')
if float_control_elem is not None:
value_desc = port_desc.float_value
min_value = float_control_elem.get('min')
if min_value is not None:
value_desc.min = float(min_value)
max_value = float_control_elem.get('max')
if max_value is not None:
value_desc.max = float(max_value)
default_value = float_control_elem.get('default')
if default_value is not None:
value_desc.default = float(default_value)
csound_desc = desc.csound
orchestra = ''.join(root.find('orchestra').itertext())
orchestra = orchestra.strip() + '\n'
csound_desc.orchestra = orchestra
score = ''.join(root.find('score').itertext())
score = score.strip() + '\n'
csound_desc.score = score
yield desc
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
InstrumentDescription = node_db.NodeDescription(
uri='builtin://instrument',
display_name='Instrument',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://instrument', ),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://instrument', ),
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.EVENTS],
),
node_db.PortDescription(
name='out:left',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:right',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
])
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
OscilloscopeDescription = node_db.NodeDescription(
uri='builtin://oscilloscope',
display_name='Oscilloscope',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(
type='builtin://oscilloscope',
muteable=False,
),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://oscilloscope', ),
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[
node_db.PortDescription.ARATE_CONTROL,
node_db.PortDescription.KRATE_CONTROL,
node_db.PortDescription.AUDIO,
],
),
])
#
# @end:license
from noisicaa import node_db
VUMeterDescription = node_db.NodeDescription(
uri='builtin://vumeter',
display_name='VU Meter',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(
type='builtin://vumeter',
),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(
type='builtin://vumeter',
),
ports=[
node_db.PortDescription(
name='in:left',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='in:right',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
]
)
MixerDescription = node_db.NodeDescription(
uri='builtin://mixer',
display_name='Mixer',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://mixer', ),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://mixer', ),
ports=[
node_db.PortDescription(
name='in:left',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='in:right',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:left',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:right',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='gain',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
float_value=node_db.FloatValueDescription(default=0.0,
min=-50.0,
max=20.0),
),
node_db.PortDescription(
name='pan',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
float_value=node_db.FloatValueDescription(default=0.0,
min=-1.0,
max=1.0),
),
node_db.PortDescription(
name='lp_cutoff',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
float_value=node_db.FloatValueDescription(default=20000.0,
min=1.0,
max=20000.0),
),
node_db.PortDescription(
name='hp_cutoff',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
float_value=node_db.FloatValueDescription(default=1.0,
min=1.0,
max=20000.0),
),
])
def scan(self) -> Iterator[node_db.NodeDescription]:
# TODO: support configurable searchpaths
rootdirs = os.environ.get('LADSPA_PATH', '/usr/lib/ladspa')
for rootdir in rootdirs.split(':'):
for dirpath, _, filenames in os.walk(rootdir):
for filename in filenames:
if not filename.endswith('.so'):
continue
path = os.path.join(dirpath, filename)
logger.info("Loading LADSPA plugins from %s", path)
try:
lib = ladspa.Library(path)
except ladspa.Error as exc:
logger.warning("Failed to load LADSPA library %s: %s",
path, exc)
continue
for descriptor in lib.descriptors: # pylint: disable=not-an-iterable
uri = 'ladspa://%s/%s' % (filename, descriptor.label)
logger.info("Adding LADSPA plugin %s", uri)
desc = node_db.NodeDescription()
desc.uri = uri
desc.supported = True
desc.display_name = descriptor.name
desc.type = node_db.NodeDescription.PLUGIN
desc.node_ui.type = 'builtin://plugin'
desc.builtin_icon = 'node-type-ladspa'
desc.processor.type = 'builtin://plugin'
desc.plugin.type = node_db.PluginDescription.LADSPA
desc.has_ui = False
ladspa_desc = desc.ladspa
ladspa_desc.library_path = path
ladspa_desc.label = descriptor.label
for port in descriptor.ports:
port_desc = desc.ports.add()
port_desc.name = port.name
if port.direction == ladspa.PortDirection.Input:
port_desc.direction = node_db.PortDescription.INPUT
elif port.direction == ladspa.PortDirection.Output:
port_desc.direction = node_db.PortDescription.OUTPUT
else:
raise ValueError(port)
if port.type == ladspa.PortType.Control:
port_desc.types.append(
node_db.PortDescription.KRATE_CONTROL)
elif port.type == ladspa.PortType.Audio:
port_desc.types.append(
node_db.PortDescription.AUDIO)
else:
raise ValueError(port)
if (port.type == ladspa.PortType.Control
and port.direction
== ladspa.PortDirection.Input):
lower_bound = port.lower_bound(44100)
upper_bound = port.upper_bound(44100)
default = port.default(44100)
value_desc = port_desc.float_value
# Using a fixed sample rate is pretty ugly...
if lower_bound is not None:
value_desc.min = lower_bound
if upper_bound is not None:
value_desc.max = upper_bound
if default is not None:
value_desc.default = default
yield desc
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
MidiCCtoCVDescription = node_db.NodeDescription(
uri='builtin://midi-cc-to-cv',
display_name='MIDI CC to Control Value',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://midi-cc-to-cv', ),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://midi-cc-to-cv', ),
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.EVENTS],
),
])
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
BeatTrackDescription = node_db.NodeDescription(
uri='builtin://beat-track',
display_name='Beat Track',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://beat-track', ),
builtin_icon='track-type-beat',
processor=node_db.ProcessorDescription(type='builtin://pianoroll', ),
ports=[
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.EVENTS],
),
])
def description(self) -> node_db.NodeDescription:
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_description.MidiMonitorDescription)
return node_desc
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
CVMapperDescription = node_db.NodeDescription(
uri='builtin://cv-mapper',
display_name='Control Value Mapper (a-rate)',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://cv-mapper', ),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://cv-mapper', ),
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
),
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
),
])
# @begin:license
#
# Copyright (c) 2015-2019, Benjamin Niemann <*****@*****.**>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
CustomCSoundDescription = node_db.NodeDescription(
uri='builtin://custom-csound',
display_name='Custom CSound',
type=node_db.NodeDescription.PROCESSOR,
processor=node_db.ProcessorDescription(type='builtin://custom-csound', ),
node_ui=node_db.NodeUIDescription(type='builtin://custom-csound', ),
builtin_icon='node-type-builtin',
)
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
SampleTrackDescription = node_db.NodeDescription(
uri='builtin://sample-track',
display_name='Sample Track',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://sample-track', ),
processor=node_db.ProcessorDescription(type='builtin://sample-script', ),
builtin_icon='track-type-sample',
ports=[
node_db.PortDescription(
name='out:left',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out:right',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
])
def description(self) -> node_db.NodeDescription:
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_description.MetronomeDescription)
return node_desc
#
# @end:license
from noisicaa import node_db
MidiLooperDescription = node_db.NodeDescription(
uri='builtin://midi-looper',
display_name='MIDI Looper',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(
type='builtin://midi-looper',
),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(
type='builtin://midi-looper',
),
ports=[
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.EVENTS],
),
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.EVENTS],
),
]
)
def description(self) -> node_db.NodeDescription:
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_description.CVMapperDescription)
return node_desc
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
StepSequencerDescription = node_db.NodeDescription(
uri='builtin://step-sequencer',
display_name='Step Sequencer',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(type='builtin://step-sequencer', ),
builtin_icon='node-type-builtin',
processor=node_db.ProcessorDescription(type='builtin://step-sequencer', ),
ports=[
node_db.PortDescription(
name='tempo',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
float_value=node_db.FloatValueDescription(
min=0.01,
max=100.0,
default=8,
scale=node_db.FloatValueDescription.LOG),
),
])
def description(self) -> node_db.NodeDescription:
node_desc = node_db.NodeDescription()
node_desc.CopyFrom(node_description.OscilloscopeDescription)
return node_desc
async def test_processor(self):
self.host_system.set_block_size(256)
async with self.create_realm() as realm:
node_description = node_db.NodeDescription(
uri='test://test',
type=node_db.NodeDescription.PROCESSOR,
processor=node_db.ProcessorDescription(
type='builtin://null', ),
ports=[
node_db.PortDescription(
name='gain',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.KRATE_CONTROL],
),
node_db.PortDescription(
name='in',
direction=node_db.PortDescription.INPUT,
types=[node_db.PortDescription.AUDIO],
),
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.AUDIO],
),
])
processor = PyProcessor(realm.name, 'amp', self.host_system,
node_description)
processor.setup()
realm.add_active_processor(processor)
spec = PySpec()
spec.append_buffer(
'sink:in:left',
buffers.PyFloatAudioBlockBuffer(node_db.PortDescription.AUDIO))
spec.append_buffer(
'sink:in:right',
buffers.PyFloatAudioBlockBuffer(node_db.PortDescription.AUDIO))
spec.append_buffer('gain', buffers.PyFloatControlValueBuffer())
spec.append_buffer(
'in',
buffers.PyFloatAudioBlockBuffer(node_db.PortDescription.AUDIO))
spec.append_buffer(
'out',
buffers.PyFloatAudioBlockBuffer(node_db.PortDescription.AUDIO))
spec.append_processor(processor)
spec.append_opcode('CONNECT_PORT', processor, 0, 'gain')
spec.append_opcode('CONNECT_PORT', processor, 1, 'in')
spec.append_opcode('CONNECT_PORT', processor, 2, 'out')
spec.append_opcode('CALL', processor)
realm.set_spec(spec)
# Initializes the program with the new spec (required for Realm::get_buffer() to work).
program = realm.get_active_program()
buf_gain = realm.get_buffer('gain',
buffers.PyFloatControlValueBuffer())
buf_gain[0] = 0.5
buf_in = realm.get_buffer(
'in',
buffers.PyFloatAudioBlockBuffer(node_db.PortDescription.AUDIO))
buf_in[0] = 1.0
buf_in[1] = 2.0
buf_in[2] = 3.0
buf_in[3] = 4.0
realm.process_block(program)
def get_node_description(self, uri: str) -> node_db.NodeDescription:
desc = node_db.NodeDescription()
desc.CopyFrom(self.__nodes[uri])
return desc
def scan(self) -> Iterator[node_db.NodeDescription]:
world = lilv.World()
ns = world.ns
world.load_all()
plugins = world.get_all_plugins()
for plugin in plugins:
logger.info("Adding LV2 plugin %s", plugin.get_uri())
desc = node_db.NodeDescription()
desc.uri = str(plugin.get_uri())
desc.supported = True
desc.type = node_db.NodeDescription.PLUGIN
desc.node_ui.type = 'builtin://plugin'
desc.builtin_icon = 'node-type-lv2'
desc.processor.type = 'builtin://plugin'
desc.plugin.type = node_db.PluginDescription.LV2
desc.display_name = str(plugin.get_name())
lv2_desc = desc.lv2
lv2_desc.uri = str(plugin.get_uri())
for uri in plugin.required_features:
feature_desc = lv2_desc.features.add()
feature_desc.required = True
feature_desc.uri = uri
if not lv2.supports_plugin_feature(uri):
desc.supported = False
desc.not_supported_reasons.unsupported_lv2_feature.append(uri)
for feature_uri in plugin.optional_features:
feature_desc = lv2_desc.features.add()
feature_desc.required = False
feature_desc.uri = feature_uri
for ui in plugin.get_uis():
ui_desc = lv2_desc.uis.add()
ui_desc.supported = True
ui_desc.uri = ui.uri
for cl in ui.get_classes():
if str(cl) in supported_uis:
ui_desc.type_uri = str(cl)
if not ui_desc.type_uri:
ui_desc.supported = False
for cl in ui.get_classes():
ui_desc.not_supported_reasons.unsupported_lv2_ui_type.append(str(cl))
for uri in ui.required_features:
feature_desc = ui_desc.features.add()
feature_desc.required = True
feature_desc.uri = uri
if not lv2.supports_ui_feature(uri):
ui_desc.supported = False
ui_desc.not_supported_reasons.unsupported_lv2_feature.append(uri)
for feature_uri in ui.optional_features:
feature_desc = ui_desc.features.add()
feature_desc.required = False
feature_desc.uri = feature_uri
if ui_desc.supported:
ui_desc.bundle_path = ui.bundle_path
ui_desc.binary_path = ui.binary_path
if not lv2_desc.ui_uri:
lv2_desc.ui_uri = ui.uri
desc.has_ui = bool(lv2_desc.ui_uri)
for port in (plugin.get_port_by_index(i) for i in range(plugin.get_num_ports())):
port_desc = desc.ports.add()
port_desc.name = str(port.get_symbol())
port_desc.display_name = str(port.get_name())
if port.is_a(ns.lv2.InputPort):
port_desc.direction = node_db.PortDescription.INPUT
elif port.is_a(ns.lv2.OutputPort):
port_desc.direction = node_db.PortDescription.OUTPUT
else:
raise ValueError(port)
if port.is_a(ns.lv2.ControlPort):
port_desc.types.append(node_db.PortDescription.KRATE_CONTROL)
elif port.is_a(ns.lv2.AudioPort):
port_desc.types.append(node_db.PortDescription.AUDIO)
elif port.is_a(ns.atom.AtomPort):
port_desc.types.append(node_db.PortDescription.EVENTS)
else:
port_desc.types.append(node_db.PortDescription.UNSUPPORTED)
if port.is_a(ns.lv2.ControlPort):
# # if port.has_property(ns.lv2.integer):
# # # TODO: this should be IntParameter
# # parameter_cls = node_db.FloatParameterDescription
# # else:
# # parameter_cls = node_db.FloatParameterDescription
value_desc = port_desc.float_value
default, range_min, range_max = port.get_range()
if default is not None:
if default.is_int():
value_desc.default = int(default)
else:
value_desc.default = float(default)
if range_min is not None:
if range_min.is_int():
value_desc.min = int(range_min)
else:
value_desc.min = float(range_min)
if range_max is not None:
if range_max.is_int():
value_desc.max = int(range_max)
else:
value_desc.max = float(range_max)
if not desc.supported:
# TODO: also add unsupported plugins to DB.
logger.warning(
"Not adding LV2 plugin %s:\n%s",
plugin.get_uri(),
desc.not_supported_reasons)
continue
yield desc
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# @end:license
from noisicaa import node_db
ControlTrackDescription = node_db.NodeDescription(
uri='builtin://control-track',
display_name='Control Track',
type=node_db.NodeDescription.PROCESSOR,
node_ui=node_db.NodeUIDescription(
type='builtin://control-track',
),
builtin_icon='track-type-control',
processor=node_db.ProcessorDescription(
type='builtin://cv-generator',
),
ports=[
node_db.PortDescription(
name='out',
direction=node_db.PortDescription.OUTPUT,
types=[node_db.PortDescription.ARATE_CONTROL],
),
]
)
