def setUp(self):
self.world = lilv.World()
self.world.set_option(
lilv.OPTION_FILTER_LANG, self.world.new_bool(True)
)
self.bundle_uri = self.world.new_uri(location)
self.assertIsNotNone(
self.bundle_uri, "Invalid URI: '" + location + "'"
)
self.world.load_bundle(self.bundle_uri)
self.plugins = self.world.get_all_plugins()
self.plugin = self.plugins.get(self.plugins.begin())
self.assertTrue(self.plugin.verify())
self.assertTrue(self.plugin in self.plugins)
self.assertTrue(self.plugin.get_uri() in self.plugins)
self.assertEqual(self.plugins[self.plugin.get_uri()], self.plugin)
with self.assertRaises(KeyError):
self.plugins["http://example.org/notaplugin"].get_uri()
self.assertIsNotNone(
self.plugin,
msg="Test plugin not found at location: '" + location + "'",
)
self.assertEqual(location, str(self.plugin.get_bundle_uri()))
self.plugin_uri = self.plugin.get_uri()
self.assertEqual(
self.plugin.get_uri(), self.plugin_uri, "URI equality broken"
)
self.lv2_InputPort = self.world.new_uri(lilv.LILV_URI_INPUT_PORT)
self.lv2_OutputPort = self.world.new_uri(lilv.LILV_URI_OUTPUT_PORT)
self.lv2_AudioPort = self.world.new_uri(lilv.LILV_URI_AUDIO_PORT)
self.lv2_ControlPort = self.world.new_uri(lilv.LILV_URI_CONTROL_PORT)
def setUp(self):
self.world = lilv.World()
self.world.load_all()
self.bundle_uri = self.world.new_uri(location)
self.world.load_bundle(self.bundle_uri)
self.plugins = self.world.get_all_plugins()
self.plugin = self.plugins.get(self.plugins.begin())
def get_plugins_info(bundles):
if len(bundles) == 0:
raise Exception('get_plugins_info() - no bundles provided')
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# load all bundles
for bundle in bundles:
# lilv wants the last character as the separator
bundle = os.path.abspath(bundle)
if not bundle.endswith(os.sep):
bundle += os.sep
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
plugins = world.get_all_plugins()
if plugins.size() == 0:
raise Exception(
'get_plugins_info() - selected bundles have no plugins')
return [Plugin(world, p, False) for p in plugins]
def main(args=None):
args = sys.argv[1:] if args is None else args
if args:
uri = args[0]
else:
return "Usage: lv2_list_plugin_presets <plugin URI>"
world = lilv.World()
world.load_all()
plugins = world.get_all_plugins()
try:
plugin = plugins[uri]
except KeyError as exc:
return "error: no plugin with URI '%s' found." % uri
except ValueError as exc:
return "error: %s" % exc
presets = get_presets(world, plugin)
for label, preset_uri in sorted(presets, key=lambda x: x[0] or ''):
if label is None:
print("Preset '%s' has no rdfs:label" % preset, file=sys.stderr)
print("Label: %s" % label or "")
print("URI: %s\n" % preset_uri)
def __init__(self):
world = lilv.World()
world.load_all()
all_plugins = list(world.get_all_plugins())
self.root = None
for a in all_plugins:
if not a.get_class().get_parent_uri().is_uri():
if not self.root:
self.root = CategoryNode(str(a.get_class().get_uri()))
plugin = PluginNode(str(a.get_name()), str(a.get_uri()),
a.get_author_name().as_string())
self.root.add(plugin)
all_plugins.remove(a)
self.build_tree(all_plugins, self.root)
uncat = CategoryNode('Uncategorized', uncategorized=True)
i = 0
while i < len(self.root):
child = self.root[i]
if type(child) == PluginNode:
self.root.remove(child, True)
uncat.add(child)
else:
i += 1
self.root.add(uncat)
def main(args=None):
ap = argparse.ArgumentParser()
ap.add_argument(
'-c',
'--categories',
action="store_true",
help="Add list of categories for each plugin (requires -j)")
ap.add_argument('-i',
'--ignore-case',
action="store_true",
help="Ignore case")
ap.add_argument('-j',
'--json',
action="store_true",
help="Print output as list of objects in JSON format")
ap.add_argument(
'-p',
'--pretty',
action="store_true",
help="Pretty format JSON output with indentation and linebreaks")
ap.add_argument('pattern', nargs='?', help="LV2 plugin URI pattern")
args = ap.parse_args(args)
if args.pattern:
rx = re.compile(args.pattern, re.I if args.ignore_case else 0)
world = lilv.World()
world.load_all()
results = []
for node in world.get_all_plugins():
uri = str(node.get_uri())
if not args.pattern or rx.search(uri):
if args.json:
# load all resources in bundle
world.load_resource(uri)
name = node.get_name()
plugin_data = {
'name': str(name) if name is not None else None,
'uri': uri
}
if args.categories:
categories = []
for cat in node.get_value(world.ns.rdf.type):
cat = str(cat)
if not cat.endswith('#Plugin'):
categories.append(str(cat).split('#', 1)[-1])
plugin_data['categories'] = categories
results.append(plugin_data)
else:
print(uri)
if args.json:
json.dump(results, sys.stdout, indent=2 if args.pretty else None)
def init_lilv():
global world
world = lilv.World()
world.load_all()
world.ns.ev = lilv.Namespace(world, "http://lv2plug.in/ns/ext/event#")
world.ns.presets = lilv.Namespace(world,
"http://lv2plug.in/ns/ext/presets#")
def main():
""" LV2 plugin binaries are designed to be accessed via a symbol
'lv2_descriptor'.
This is a problem when linking statically as the descriptor symbols clash.
This script renames the symbols to a name containing the md5 hash of the
plugin uri, and also writes a C header (.h) file containing info about the
available plugins, and a file containing a list of plugin libraries for
linking."""
world = lilv.World()
world.load_all()
plugins = world.get_all_plugins()
initial_plugin_list = []
for plugin in plugins:
uri = plugin.get_uri()
library = plugin.get_library_uri().get_path()
initial_plugin_list.append({
'uri':
uri,
'library':
library,
'symbol':
"lv2_descriptor_%s" % md5(uri).hexdigest()
})
f = open("descriptors.h", "w")
f.write("/* This file is automatically generated by staticizer.py*/\n\n")
plugin_list = []
for p in initial_plugin_list:
try:
subprocess.check_output([
"arm-none-eabi-objcopy", "--redefine-sym",
"lv2_descriptor=%s" % (p['symbol'], ), p['library']
],
stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
print("Failed to process %s (%d): %s" %
(p['uri'], e.returncode, e.output))
continue
plugin_list.append(p)
for p in plugin_list:
f.write("extern const LV2_Descriptor *%s(uint32_t index);\n" %
p['symbol'])
f.write("\nconst void* lv2_descriptor_loaders[] = {\n")
for p in plugin_list:
f.write(" %s,\n" % p['symbol'])
f.write(" NULL\n};\n\n")
f.close()
f = open("plugin_library_list.txt", "w")
f.write(" ".join([p['library'] for p in plugin_list]))
f.close()
def setUp(self):
self.world = lilv.World()
self.bundle_uri = self.world.new_uri(location)
self.world.load_bundle(self.bundle_uri)
self.plugins = self.world.get_all_plugins()
self.plugin = self.plugins[0]
self.instance = lilv.Instance(self.plugin, 48000)
self.assertEqual(self.plugin.get_uri(), self.instance.get_uri())
self.assertIsNone(
self.instance.get_extension_data(
self.world.new_uri("http://example.org/ext")))
self.assertIsNone(
self.instance.get_extension_data("http://example.org/ext"))
def get_plugins_info(uri=None):
class _context():
pass
ctx = _context()
ctx.world = lilv.World()
ctx.world.load_all()
plugins = ctx.world.get_all_plugins()
if uri:
uri = ctx.world.new_uri(uri)
return _get_plugin_info(ctx, plugins[uri])
else:
return [_get_plugin_info(ctx, p) for p in plugins]
def setUp(self):
self.world = lilv.World()
location = "file://" + os.getcwd() + "/bindings/bindings_test_plugin.lv2/"
self.plugin_uri = self.world.new_uri(location)
self.assertIsNotNone(self.plugin_uri, "Invalid URI: '" + location + "'")
self.world.load_bundle(self.plugin_uri)
self.plugins = self.world.get_all_plugins()
self.plugin = self.plugins.get(self.plugins.begin())
self.assertIsNotNone(self.plugin, msg="Test plugin not found at location: '" + location + "'")
self.assertEqual(location, self.plugin.get_bundle_uri().as_string())
self.instance = lilv.Instance(self.plugin, 48000, None)
self.assertIsNotNone(self.instance)
self.lv2_InputPort = self.world.new_uri(lilv.LILV_URI_INPUT_PORT)
self.lv2_OutputPort = self.world.new_uri(lilv.LILV_URI_OUTPUT_PORT)
self.lv2_AudioPort = self.world.new_uri(lilv.LILV_URI_AUDIO_PORT)
self.lv2_ControlPort = self.world.new_uri(lilv.LILV_URI_CONTROL_PORT)
def __init__(self, title, bundle):
self.root_uri = "http://localhost:80/"
self.title = title
self.bundle = bundle # TODO used?
self.plugins = []
self.world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
self.world.load_specifications()
self.world.load_plugin_classes()
self.uri_block = self.world.new_uri(
"http://drobilla.net/ns/ingen#block")
self.uri_head = self.world.new_uri("http://drobilla.net/ns/ingen#head")
self.uri_port = self.world.new_uri("http://lv2plug.in/ns/lv2core#port")
self.uri_tail = self.world.new_uri("http://drobilla.net/ns/ingen#tail")
self.uri_value = self.world.new_uri(
"http://drobilla.net/ns/ingen#value")
def print_presets(uri):
"""Print all presets of an LV2 plugin to stdout."""
world = lilv.World()
world.load_all()
world.ns.presets = lilv.Namespace(world, NS_PRESETS)
plugins = world.get_all_plugins()
plugin = plugins[uri]
presets = plugin.get_related(world.ns.presets.Preset)
preset_list = []
for preset in presets:
world.load_resource(preset)
label = world.get(preset, world.ns.rdfs.label, None)
if label is None:
sys.stderr.write("warning: Preset <%s> has no label\n" % preset)
preset_list.append((str(preset), str(label)))
for preset in sorted(preset_list):
print('<%s> "%s"' % preset)
def __init__(self, path, idx=0):
world = lilv.World()
ns = world.ns
#world.load_all()
world.load_bundle(world.new_file_uri(None, path))
plugins = world.get_all_plugins()
#plugin_uri_node = world.new_uri("XXX")
#plugin = plugins[plugin_uri_node]
self._plugin = plugin = plugins[idx]
self._uri = str(plugin.get_uri())
self._bundle = str(plugin.get_bundle_uri())
self._name = str(plugin.get_name())
self._num_ports = plugin.get_num_ports()
self._params = {}
self._input_idx = []
self._output_idx = []
self._instance = None
self._samplerate = None
self._time_per_sample = 0.0
self._control_input_buffers = []
self._control_output_buffers = []
for i in range(self._num_ports):
port = plugin.get_port(i)
if port.is_a(ns.lv2.ControlPort):
symbol = str(port.get_symbol())
lst = tuple(float(v) for v in port.get_range())
val = numpy.array([lst[0]], numpy.float32)
self._params[symbol] = LV2_Port(symbol, i,
str(port.get_name()), lst[0],
lst[1:],
port.is_a(ns.lv2.OutputPort),
val)
else:
assert port.is_a(ns.lv2.AudioPort)
if port.is_a(ns.lv2.InputPort):
self._input_idx.append(i)
else:
assert port.is_a(ns.lv2.OutputPort)
self._output_idx.append(i)
#!/usr/bin/env python3
import lilv
import json
import shutil
import os
world = lilv.World()
modgui = lilv.Namespace(world, "http://moddevices.com/ns/modgui#")
world.load_all()
plugins = []
def get_first(list):
for i in list:
return i
return None
def get_first_value(p, ns):
return get_first(p.get_value(ns))
def to_str(s):
if s is None:
return None
# return str(str(s).encode('utf-8'))
return str(s)
def get_pedalboard_name(bundle):
# lilv wants the last character as the separator
bundle = os.path.abspath(bundle)
if not bundle.endswith(os.sep):
bundle += os.sep
# Create our own unique lilv world
# We'll load a single bundle and get all plugins from it
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
# get all plugins in the bundle
plugins = world.get_all_plugins()
# make sure the bundle includes 1 and only 1 plugin (the pedalboard)
if plugins.size() != 1:
raise Exception(
'get_pedalboard_info(%s) - bundle has 0 or > 1 plugin'.format(
bundle))
# no indexing in python-lilv yet, just get the first item
plugin = None
for p in plugins:
plugin = p
break
if plugin is None:
raise Exception(
'get_pedalboard_info(%s) - failed to get plugin, you are using an old lilv!'
.format(bundle))
# define the needed stuff
ns_rdf = NS(world, lilv.LILV_NS_RDF)
# check if the plugin is a pedalboard
def fill_in_type(node):
return node.as_string()
plugin_types = [
i for i in LILV_FOREACH(plugin.get_value(ns_rdf.type_), fill_in_type)
]
if "http://moddevices.com/ns/modpedal#Pedalboard" not in plugin_types:
raise Exception(
'get_pedalboard_info(%s) - plugin has no mod:Pedalboard type'.
format(bundle))
return plugin.get_name().as_string()
def lv2_init():
global _W
_W = lilv.World()
_W.load_all()
lv2_init2()
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#!/usr/bin/env python
"""List URIs associated with an LV2 plugin."""
import sys
import lilv
if len(sys.argv) < 2:
sys.exit("Usage: %s <plugin URI>" % sys.argv[0])
w = lilv.World()
w.load_all()
plugins = w.get_all_plugins()
plugin = plugins[w.new_uri(sys.argv[1])]
print("Name: %s" % plugin.get_name())
print("Plugin URI: %s" % plugin.get_uri())
print("Bundle URI: %s" % plugin.get_bundle_uri())
print("Shared library URI: %s" % plugin.get_library_uri())
nodelist = plugin.get_data_uris()
uris = [str(n) for n in nodelist]
print("Data URIs:")
for uri in uris:
print("-", uri)
def main():
# Read command line arguments
if len(sys.argv) != 4:
print('USAGE: lv2_apply.py PLUGIN_URI INPUT_WAV OUTPUT_WAV')
sys.exit(1)
# Initialise Lilv
world = lilv.World()
world.load_all()
plugin_uri = sys.argv[1]
wav_in_path = sys.argv[2]
wav_out_path = sys.argv[3]
# Find plugin
plugin_uri_node = world.new_uri(plugin_uri)
plugin = world.get_all_plugins().get_by_uri(plugin_uri_node)
if not plugin:
print("Unknown plugin `%s'\n" % plugin_uri)
sys.exit(1)
lv2_InputPort = world.new_uri(lilv.LILV_URI_INPUT_PORT)
lv2_OutputPort = world.new_uri(lilv.LILV_URI_OUTPUT_PORT)
lv2_AudioPort = world.new_uri(lilv.LILV_URI_AUDIO_PORT)
lv2_ControlPort = world.new_uri(lilv.LILV_URI_CONTROL_PORT)
lv2_default = world.new_uri("http://lv2plug.in/ns/lv2core#default")
n_audio_in = plugin.get_num_ports_of_class(lv2_InputPort, lv2_AudioPort)
n_audio_out = plugin.get_num_ports_of_class(lv2_OutputPort, lv2_AudioPort)
if n_audio_out == 0:
print("Plugin has no audio outputs\n")
sys.exit(1)
# Open input file
try:
wav_in = WavFile(wav_in_path)
except:
print("Failed to open input `%s'\n" % wav_in_path)
sys.exit(1)
if wav_in.nchannels != n_audio_in:
print("Input has %d channels, but plugin has %d audio inputs\n" % (
wav_in.nchannels, n_audio_in))
sys.exit(1)
# Open output file
wav_out = wave.open(wav_out_path, 'w')
if not wav_out:
print("Failed to open output `%s'\n" % wav_out_path)
sys.exit(1)
# Set output file to same format as input (except possibly nchannels)
wav_out.setparams(wav_in.wav_in.getparams())
wav_out.setnchannels(n_audio_out)
print('%s => %s => %s @ %d Hz'
% (wav_in_path, plugin.get_name(), wav_out_path, wav_in.framerate))
instance = lilv.Instance(plugin, wav_in.framerate)
channels = wav_in.read()
wav_in.close()
# Connect all ports to buffers. NB if we fail to connect any buffer, lilv
# will segfault.
audio_input_buffers = []
audio_output_buffers = []
control_input_buffers = []
control_output_buffers = []
for index in range(plugin.get_num_ports()):
port = plugin.get_port_by_index(index)
if port.is_a(lv2_InputPort):
if port.is_a(lv2_AudioPort):
audio_input_buffers.append(numpy.array(channels[len(audio_input_buffers)], numpy.float32))
instance.connect_port(index, audio_input_buffers[-1])
elif port.is_a(lv2_ControlPort):
#if port.has_property(lv2_default): # Doesn't seem to work
default = lilv.lilv_node_as_float(lilv.lilv_nodes_get_first(port.get_value(lv2_default)))
control_input_buffers.append(numpy.array([default], numpy.float32))
instance.connect_port(index, control_input_buffers[-1])
else:
raise ValueError("Unhandled port type")
elif port.is_a(lv2_OutputPort):
if port.is_a(lv2_AudioPort):
audio_output_buffers.append(numpy.array([0] * wav_in.nframes, numpy.float32))
instance.connect_port(index, audio_output_buffers[-1])
elif port.is_a(lv2_ControlPort):
control_output_buffers.append(numpy.array([0], numpy.float32))
instance.connect_port(index, control_output_buffers[-1])
else:
raise ValueError("Unhandled port type")
# Run the plugin:
instance.run(wav_in.nframes)
# Interleave output buffers:
data = numpy.dstack(audio_output_buffers).flatten()
# Return to original int range:
if wav_in.signed:
data = data * float(wav_in.range / 2)
else:
data = (data + 1) * float(wav_in.range/2)
# Write output file in chunks to stop memory usage getting out of hand:
CHUNK_SIZE = 8192
for chunk in numpy.array_split(data, CHUNK_SIZE):
wav_out.writeframes(wave.struct.pack("%u%s" % (len(chunk), wav_in.struct_fmt_code), *chunk))
wav_out.close()
def get_info_from_lv2_bundle(bundle):
# lilv wants the last character as the separator
if not bundle.endswith(os.sep):
bundle += os.sep
# Create our own unique lilv world
# We'll load a single bundle and get all plugins from it
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
# get all plugins in the bundle
plugins = world.get_all_plugins()
# make sure the bundle includes 1 and only 1 plugin (the pedalboard)
if plugins.size() != 1:
raise Exception('get_info_from_lv2_bundle(%s) - bundle has 0 or > 1 plugin'.format(bundle))
# no indexing in python-lilv yet, just get the first item
plugin = None
for p in plugins:
plugin = p
break
if plugin is None:
raise Exception('get_info_from_lv2_bundle(%s) - failed to get plugin, you are using an old lilv!'.format(bundle))
# handy class to get lilv nodes from. copied from lv2.py in mod-ui
class NS(object):
def __init__(self, base):
self.base = base
self._cache = {}
def __getattr__(self, attr):
if attr not in self._cache:
self._cache[attr] = lilv.Node(world.new_uri(self.base+attr))
return self._cache[attr]
# define the needed stuff
NS_lv2core = NS('http://lv2plug.in/ns/lv2core#')
NS_lv2core_proto = NS_lv2core.prototype
NS_modgui = NS('http://moddevices.com/ns/modgui#')
NS_modgui_thumb = NS_modgui.thumbnail
NS_ingen = NS('http://drobilla.net/ns/ingen#')
NS_ingen_block = NS_ingen.block
NS_ingen_prototype = NS_ingen.prototype
# check if the plugin has modgui:thumnail, if not it's probably not a real pedalboard
thumbnail_check = plugin.get_value(NS_modgui_thumb).get_first()
if thumbnail_check.me is None:
raise Exception('get_info_from_lv2_bundle(%s) - plugin has no modgui:thumbnail'.format(bundle))
# let's get all the info now
ingenplugins = []
info = {
'name': plugin.get_name().as_string(),
#'author': plugin.get_author_name().as_string() or '', # Might be empty
#'uri': plugin.get_uri().as_string(),
'thumbnail': os.path.basename(thumbnail_check.as_string()),
'plugins': [] # we save this info later
}
blocks = plugin.get_value(NS_ingen_block)
it = blocks.begin()
while not blocks.is_end(it):
block = blocks.get(it)
it = blocks.next(it)
if block.me is None:
continue
protouri1 = lilv.lilv_world_get(world.me, block.me, NS_lv2core_proto.me, None)
protouri2 = lilv.lilv_world_get(world.me, block.me, NS_ingen_prototype.me, None)
if protouri1 is not None:
ingenplugins.append(lilv.lilv_node_as_uri(protouri1))
elif protouri2 is not None:
ingenplugins.append(lilv.lilv_node_as_uri(protouri2))
info['plugins'] = ingenplugins
return info
def get_all_plugins():
world = lilv.World()
world.load_all()
plugins = world.get_all_plugins()
return [Plugin(world, p, False).data for p in plugins]
def setUp(self):
self.world = lilv.World()
self.bundle_uri = self.world.new_uri(location)
self.world.load_specifications()
self.world.load_plugin_classes()
def setUp(self):
self.world = lilv.World()
def setUp(self):
self.world = lilv.World()
self.world.load_all();
class JalvLv2Handler(ZynthianConfigHandler):
JALV_LV2_CONFIG_FILE = "{}/jalv/plugins.json".format(
os.environ.get('ZYNTHIAN_CONFIG_DIR'))
JALV_ALL_LV2_CONFIG_FILE = "{}/jalv/all_plugins.json".format(
os.environ.get('ZYNTHIAN_CONFIG_DIR'))
all_plugins = None
world = lilv.World()
@tornado.web.authenticated
def get(self, errors=None):
if self.all_plugins is None:
self.load_all_plugins()
config = OrderedDict([])
config['ZYNTHIAN_JALV_PLUGINS'] = self.load_plugins()
try:
config['ZYNTHIAN_ACTIVE_TAB'] = self.get_argument(
'ZYNTHIAN_ACTIVE_TAB')
except:
pass
if not 'ZYNTHIAN_ACTIVE_TAB' in config or len(
config['ZYNTHIAN_ACTIVE_TAB']) == 0:
config[
'ZYNTHIAN_ACTIVE_TAB'] = PluginType.MIDI_SYNTH.value.replace(
" ", "_")
try:
config['ZYNTHIAN_JALV_FILTER'] = self.get_argument(
'ZYNTHIAN_JALV_FILTER')
except:
config['ZYNTHIAN_JALV_FILTER'] = ''
if self.genjson:
self.write(config)
else:
if errors:
logging.error("Configuring JALV LV2-Plugins failed: %s" %
format(errors))
self.clear()
self.set_status(400)
self.finish("Configuring JALV LV2-Plugins failed: %s" %
format(errors))
else:
self.render("config.html",
body="jalv_lv2.html",
config=config,
title="LV2-Plugins",
errors=errors)
@tornado.web.authenticated
def post(self):
action = self.get_argument('ZYNTHIAN_JALV_ACTION')
if action:
errors = {
'ENABLE_PLUGINS': lambda: self.do_enable_plugins(),
'REGENERATE_PLUGIN_LIST':
lambda: self.do_regenerate_plugin_list()
}[action]()
self.get(errors)
def load_all_plugins(self):
result = OrderedDict()
trials = 0
while not result and trials <= 1:
try:
trials = trials + 1
with open(self.JALV_ALL_LV2_CONFIG_FILE) as f:
result = json.load(f, object_pairs_hook=OrderedDict)
except Exception as e:
logging.warning('Loading list of all LV2-Plugins failed: %s' %
e)
if not result:
self.generate_all_plugins_config_file()
self.all_plugins = result
return result
def generate_all_plugins_config_file(self):
plugins = OrderedDict()
self.world.ns.ev = lilv.Namespace(self.world,
'http://lv2plug.in/ns/ext/event#')
start = int(round(time.time() * 1000))
try:
self.world.load_all()
for plugin in self.world.get_all_plugins():
logging.info("Adding '{}'".format(plugin.get_name()))
plugins[str(plugin.get_name())] = {
'URL': str(plugin.get_uri()),
'TYPE': self.get_plugin_type(plugin).value,
'ENABLED': False
}
self.all_plugins = OrderedDict(sorted(plugins.items()))
with open(self.JALV_ALL_LV2_CONFIG_FILE, 'w') as f:
json.dump(self.all_plugins, f)
except Exception as e:
logging.error('Generating list of all LV2-Plugins failed: %s' % e)
end = int(round(time.time() * 1000))
logging.info('config file generation took %d' % (end - start))
def load_plugins(self):
result = OrderedDict()
for pluginType in PluginType:
result[pluginType.value] = OrderedDict()
all_plugins = self.all_plugins
enabled_plugins = self.load_enabled_plugins()
for plugin_name, plugin_properties in all_plugins.items():
result[plugin_properties['TYPE']][plugin_name] = plugin_properties
if plugin_name in enabled_plugins:
logging.info("Plugin '{}' enabled".format(plugin_name))
plugin_properties['ENABLED'] = True
return result
def load_enabled_plugins(self):
result = OrderedDict()
try:
with open(self.JALV_LV2_CONFIG_FILE) as f:
result = json.load(f, object_pairs_hook=OrderedDict)
except Exception as e:
logging.info('Loading list of enabled LV2-Plugins failed: %s' % e)
return result
def do_enable_plugins(self):
try:
pluginJson = OrderedDict()
self.load_all_plugins()
postedPlugins = tornado.escape.recursive_unicode(
self.request.arguments)
for plugin_name, plugin_properties in self.all_plugins.items():
if "ZYNTHIAN_JALV_ENABLE_%s" % plugin_name in postedPlugins:
pp = {}
pp['URL'] = plugin_properties['URL']
pp['TYPE'] = plugin_properties['TYPE']
pluginJson[plugin_name] = pp
with open(self.JALV_LV2_CONFIG_FILE, 'w') as f:
json.dump(pluginJson, f)
except Exception as e:
logging.error("Installing jalv plugins failed: %s" % format(e))
return format(e)
def do_regenerate_plugin_list(self):
self.generate_all_plugins_config_file()
def get_plugin_type(self, pl):
lv2_plugin_classes = {
"MIDI_SYNTH": ("Instrument"),
"AUDIO_EFFECT":
("Analyser", "Spectral", "Delay", "Compressor", "Distortion",
"Filter", "Equaliser", "Modulator", "Expander", "Spatial",
"Limiter", "Pitch Shifter", "Reverb", "Simulator", "Envelope",
"Gate", "Amplifier", "Chorus", "Flanger", "Phaser", "Highpass",
"Lowpass", "Dynamics"),
"AUDIO_GENERATOR": ("Oscillator", "Generator"),
"UNKNOWN": ("Utility", "Plugin")
}
# Try to determine the plugin type from the LV2 class ...
plugin_class = str(pl.get_class().get_label())
if plugin_class in lv2_plugin_classes["MIDI_SYNTH"]:
return PluginType.MIDI_SYNTH
elif plugin_class in lv2_plugin_classes["AUDIO_EFFECT"]:
return PluginType.AUDIO_EFFECT
elif plugin_class in lv2_plugin_classes["AUDIO_GENERATOR"]:
return PluginType.AUDIO_GENERATOR
# If failed to determine the plugin type using the LV2 class,
# inspect the input/output ports ...
n_audio_in = pl.get_num_ports_of_class(self.world.ns.lv2.InputPort,
self.world.ns.lv2.AudioPort)
n_audio_out = pl.get_num_ports_of_class(self.world.ns.lv2.OutputPort,
self.world.ns.lv2.AudioPort)
n_midi_in = pl.get_num_ports_of_class(self.world.ns.lv2.InputPort,
self.world.ns.ev.EventPort)
n_midi_out = pl.get_num_ports_of_class(self.world.ns.lv2.OutputPort,
self.world.ns.ev.EventPort)
n_midi_in += pl.get_num_ports_of_class(self.world.ns.lv2.InputPort,
self.world.ns.atom.AtomPort)
n_midi_out += pl.get_num_ports_of_class(self.world.ns.lv2.OutputPort,
self.world.ns.atom.AtomPort)
# Really DIRTY => Should be fixed ASAP!!! TODO!!
#plugin_name=str(pl.get_name())
#if plugin_name[-2:]=="v1":
# return PluginType.MIDI_SYNTH
#if plugin_name[:2]=="EQ":
# return PluginType.AUDIO_EFFECT
if n_audio_out > 0 and n_audio_in == 0:
if n_midi_in > 0:
return PluginType.MIDI_SYNTH
else:
return PluginType.AUDIO_GENERATOR
if n_audio_out > 0 and n_audio_in > 0 and n_midi_out == 0:
return PluginType.AUDIO_EFFECT
if n_midi_in > 0 and n_midi_out > 0 and n_audio_in == n_audio_out == 0:
return PluginType.MIDI_TOOL
#return PluginType.UNKNOWN
return PluginType.AUDIO_EFFECT
def get_pedalboard_info(bundle):
# lilv wants the last character as the separator
bundle = os.path.abspath(bundle)
if not bundle.endswith(os.sep):
bundle += os.sep
# Create our own unique lilv world
# We'll load a single bundle and get all plugins from it
world = lilv.World()
# this is needed when loading specific bundles instead of load_all
# (these functions are not exposed via World yet)
lilv.lilv_world_load_specifications(world.me)
lilv.lilv_world_load_plugin_classes(world.me)
# convert bundle string into a lilv node
bundlenode = lilv.lilv_new_file_uri(world.me, None, bundle)
# load the bundle
world.load_bundle(bundlenode)
# free bundlenode, no longer needed
lilv.lilv_node_free(bundlenode)
# get all plugins in the bundle
plugins = world.get_all_plugins()
# make sure the bundle includes 1 and only 1 plugin (the pedalboard)
if plugins.size() != 1:
raise Exception(
'get_pedalboard_info(%s) - bundle has 0 or > 1 plugin'.format(
bundle))
# no indexing in python-lilv yet, just get the first item
plugin = None
for p in plugins:
plugin = p
break
if plugin is None:
raise Exception(
'get_pedalboard_info(%s) - failed to get plugin, you are using an old lilv!'
.format(bundle))
# define the needed stuff
ns_rdf = NS(world, lilv.LILV_NS_RDF)
ns_lv2core = NS(world, lilv.LILV_NS_LV2)
ns_ingen = NS(world, "http://drobilla.net/ns/ingen#")
ns_modpedal = NS(world, "http://moddevices.com/ns/modpedal#")
# check if the plugin is a pedalboard
def fill_in_type(node):
return node.as_string()
plugin_types = [
i for i in LILV_FOREACH(plugin.get_value(ns_rdf.type_), fill_in_type)
]
if "http://moddevices.com/ns/modpedal#Pedalboard" not in plugin_types:
raise Exception(
'get_pedalboard_info(%s) - plugin has no mod:Pedalboard type'.
format(bundle))
# let's get all the info now
ingenarcs = []
ingenblocks = []
info = {
'name':
plugin.get_name().as_string(),
'uri':
plugin.get_uri().as_string(),
'author':
plugin.get_author_name().as_string() or "", # Might be empty
'hardware': {
# we save this info later
'audio': {
'ins': 0,
'outs': 0
},
'cv': {
'ins': 0,
'outs': 0
},
'midi': {
'ins': 0,
'outs': 0
}
},
'size': {
'width': plugin.get_value(ns_modpedal.width).get_first().as_int(),
'height':
plugin.get_value(ns_modpedal.height).get_first().as_int(),
},
'screenshot':
os.path.basename(
plugin.get_value(ns_modpedal.screenshot).get_first().as_string()
or ""),
'thumbnail':
os.path.basename(
plugin.get_value(ns_modpedal.thumbnail).get_first().as_string()
or ""),
'connections': [], # we save this info later
'plugins': [] # we save this info later
}
# connections
arcs = plugin.get_value(ns_ingen.arc)
it = arcs.begin()
while not arcs.is_end(it):
arc = arcs.get(it)
it = arcs.next(it)
if arc.me is None:
continue
head = lilv.lilv_world_get(world.me, arc.me, ns_ingen.head.me, None)
tail = lilv.lilv_world_get(world.me, arc.me, ns_ingen.tail.me, None)
if head is None or tail is None:
continue
ingenarcs.append({
"source":
lilv.lilv_uri_to_path(lilv.lilv_node_as_string(tail)).replace(
bundle, "", 1),
"target":
lilv.lilv_uri_to_path(lilv.lilv_node_as_string(head)).replace(
bundle, "", 1)
})
# hardware ports
handled_port_uris = []
ports = plugin.get_value(ns_lv2core.port)
it = ports.begin()
while not ports.is_end(it):
port = ports.get(it)
it = ports.next(it)
if port.me is None:
continue
# check if we already handled this port
port_uri = port.as_uri()
if port_uri in handled_port_uris:
continue
if port_uri.endswith("/control_in") or port_uri.endswith(
"/control_out"):
continue
handled_port_uris.append(port_uri)
# get types
port_types = lilv.lilv_world_find_nodes(world.me, port.me,
ns_rdf.type_.me, None)
if port_types is None:
continue
portDir = "" # input or output
portType = "" # atom, audio or cv
it2 = lilv.lilv_nodes_begin(port_types)
while not lilv.lilv_nodes_is_end(port_types, it2):
port_type = lilv.lilv_nodes_get(port_types, it2)
it2 = lilv.lilv_nodes_next(port_types, it2)
if port_type is None:
continue
port_type_uri = lilv.lilv_node_as_uri(port_type)
if port_type_uri == "http://lv2plug.in/ns/lv2core#InputPort":
portDir = "input"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#OutputPort":
portDir = "output"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#AudioPort":
portType = "audio"
elif port_type_uri == "http://lv2plug.in/ns/lv2core#CVPort":
portType = "cv"
elif port_type_uri == "http://lv2plug.in/ns/ext/atom#AtomPort":
portType = "atom"
if not (portDir or portType):
continue
if portType == "audio":
if portDir == "input":
info['hardware']['audio']['ins'] += 1
else:
info['hardware']['audio']['outs'] += 1
elif portType == "atom":
if portDir == "input":
info['hardware']['midi']['ins'] += 1
else:
info['hardware']['midi']['outs'] += 1
elif portType == "cv":
if portDir == "input":
info['hardware']['cv']['ins'] += 1
else:
info['hardware']['cv']['outs'] += 1
# plugins
blocks = plugin.get_value(ns_ingen.block)
it = blocks.begin()
while not blocks.is_end(it):
block = blocks.get(it)
it = blocks.next(it)
if block.me is None:
continue
protouri1 = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.prototype.me, None)
protouri2 = lilv.lilv_world_get(world.me, block.me,
ns_ingen.prototype.me, None)
if protouri1 is not None:
proto = protouri1
elif protouri2 is not None:
proto = protouri2
else:
continue
instance = lilv.lilv_uri_to_path(lilv.lilv_node_as_string(
block.me)).replace(bundle, "", 1)
uri = lilv.lilv_node_as_uri(proto)
enabled = lilv.lilv_world_get(world.me, block.me, ns_ingen.enabled.me,
None)
minorver = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.minorVersion.me, None)
microver = lilv.lilv_world_get(world.me, block.me,
ns_lv2core.microVersion.me, None)
ingenblocks.append({
"instance":
instance,
"uri":
uri,
"x":
lilv.lilv_node_as_float(
lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasX.me,
None)),
"y":
lilv.lilv_node_as_float(
lilv.lilv_world_get(world.me, block.me, ns_ingen.canvasY.me,
None)),
"enabled":
lilv.lilv_node_as_bool(enabled) if enabled is not None else False,
"minorVersion":
lilv.lilv_node_as_int(minorver) if minorver else 0,
"microVersion":
lilv.lilv_node_as_int(microver) if microver else 0,
})
info['connections'] = ingenarcs
info['plugins'] = ingenblocks
return info
