def __init__(self):
self.ioloop = ioloop.IOLoop.instance()
self.prefs = UserPreferences()
self.player = Player()
self.recorder = Recorder()
self.recordhandle = None
self.screenshot_generator = ScreenshotGenerator()
self.websockets = []
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok,bundlepath,title:None
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if not hmiOpened:
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
self.host = Host(self.hmi, self.prefs, self.msg_callback)
def __init__(self):
logging.basicConfig(level=(logging.DEBUG if LOG else logging.WARNING))
self.prefs = UserPreferences()
self.player = Player()
self.recorder = Recorder()
self.recordhandle = None
self.screenshot_generator = ScreenshotGenerator()
self.websockets = []
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok, bundlepath, title: None
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, HMI_TIMEOUT,
self.hmi_initialized_cb, self.hmi_reinit_cb)
hmiOpened = self.hmi.sp is not None
#print("Using HMI =>", hmiOpened)
if not hmiOpened:
self.hmi = FakeHMI(self.hmi_initialized_cb)
print("Using FakeHMI =>", self.hmi)
self.host = Host(self.hmi, self.prefs, self.msg_callback)
class Session(object):
def __init__(self):
self.ioloop = ioloop.IOLoop.instance()
self.prefs = UserPreferences()
self.player = Player()
self.recorder = Recorder()
self.recordhandle = None
self.screenshot_generator = ScreenshotGenerator()
self.websockets = []
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok,bundlepath,title:None
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if not hmiOpened:
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
self.host = Host(self.hmi, self.prefs, self.msg_callback)
def signal_save(self):
# reuse HMI function
self.host.hmi_save_current_pedalboard(lambda r:None)
def signal_device_updated(self):
self.msg_callback("cc-device-updated")
def signal_disconnect(self):
sockets = self.websockets
self.websockets = []
for ws in sockets:
ws.write_message("stop")
ws.close()
self.host.end_session(lambda r:None)
def get_hardware_actuators(self):
return self.host.addressings.get_actuators()
# -----------------------------------------------------------------------------------------------------------------
# App utilities, needed only for mod-app
def setupApp(self, pedalboardChangedCallback):
self.pedalboard_changed_callback = pedalboardChangedCallback
def reconnectApp(self):
if self.host.readsock is not None:
self.host.readsock.close()
self.host.readsock = None
if self.host.writesock is not None:
self.host.writesock.close()
self.host.writesock = None
self.host.open_connection_if_needed(None)
# -----------------------------------------------------------------------------------------------------------------
# Initialization
@gen.coroutine
def hmi_initialized_cb(self):
logging.info("hmi initialized")
self.hmi.initialized = True
uiConnected = bool(len(self.websockets) > 0)
yield gen.Task(self.host.initialize_hmi, uiConnected)
# -----------------------------------------------------------------------------------------------------------------
# Webserver callbacks, called from the browser (see webserver.py)
# These will be called as a reponse to an action in the browser.
# A callback must always be used unless specified otherwise.
# Add a new plugin, starts enabled (ie, not bypassed)
def web_add(self, instance, uri, x, y, callback):
self.host.add_plugin(instance, uri, x, y, callback)
# Remove a plugin
def web_remove(self, instance, callback):
self.host.remove_plugin(instance, callback)
# Address a plugin parameter
def web_parameter_address(self, port, actuator_uri, label, minimum, maximum, value, steps, callback):
instance, portsymbol = port.rsplit("/",1)
self.host.address(instance, portsymbol, actuator_uri, label, minimum, maximum, value, steps, callback)
# Connect 2 ports
def web_connect(self, port_from, port_to, callback):
self.host.connect(port_from, port_to, callback)
# Disconnect 2 ports
def web_disconnect(self, port_from, port_to, callback):
self.host.disconnect(port_from, port_to, callback)
# Save the current pedalboard
# returns saved bundle path
def web_save_pedalboard(self, title, asNew):
bundlepath = self.host.save(title, asNew)
self.pedalboard_changed_callback(True, bundlepath, title)
self.screenshot_generator.schedule_screenshot(bundlepath)
return bundlepath
# Get list of Hardware MIDI devices
# returns (devsInUse, devList)
def web_get_midi_device_list(self):
return self.host.get_midi_ports()
# Set the selected MIDI devices to @a newDevs
# Will remove or add new JACK ports as needed
def web_set_midi_devices(self, newDevs):
return self.host.set_midi_devices(newDevs)
# Send a ping to HMI and Websockets
def web_ping(self, callback):
if self.hmi.initialized:
self.hmi.ping(callback)
else:
callback(False)
self.msg_callback("ping")
# A new webbrowser page has been open
# We need to cache its socket address and send any msg callbacks to it
def websocket_opened(self, ws, callback):
def ready(ok):
self.websockets.append(ws)
self.host.open_connection_if_needed(ws)
callback(True)
# if this is the 1st socket, start ui session
if len(self.websockets) == 0:
self.host.start_session(ready)
else:
ready(True)
# Webbrowser page closed
def websocket_closed(self, ws, callback):
try:
self.websockets.remove(ws)
except ValueError:
pass
# if this is the last socket, end ui session
if len(self.websockets) == 0:
self.host.end_session(callback)
else:
callback(True)
# -----------------------------------------------------------------------------------------------------------------
# Start recording
def web_recording_start(self):
self.player.stop()
self.recorder.start()
# Stop recording
def web_recording_stop(self):
if self.recordhandle is not None:
self.recordhandle.close()
self.recordhandle = self.recorder.stop(True)
# Delete previous recording, if any
def web_recording_delete(self):
self.player.stop()
if self.recordhandle is not None:
self.recordhandle.close()
self.recordhandle = None
# Return recording data
def web_recording_download(self):
if self.recordhandle is None:
return ""
self.recordhandle.seek(0)
return self.recordhandle.read()
# Playback of previous recording started
def web_playing_start(self, callback):
if self.recordhandle is None:
self.recordhandle = self.recorder.stop(True)
def stop():
self.host.unmute()
callback()
def schedule_stop():
self.ioloop.add_timeout(timedelta(seconds=0.5), stop)
self.host.mute()
self.player.play(self.recordhandle, schedule_stop)
# Playback stopped
def web_playing_stop(self):
self.player.stop()
# -----------------------------------------------------------------------------------------------------------------
# Websocket funtions, called when receiving messages from socket (see webserver.py)
# There are no callbacks for these functions.
# Set a plugin parameter
# We use ":bypass" symbol for on/off state
def ws_parameter_set(self, port, value, ws):
instance, portsymbol = port.rsplit("/",1)
if portsymbol == ":bypass":
bvalue = value >= 0.5
self.host.bypass(instance, bvalue, None)
else:
self.host.param_set(port, value, None)
self.msg_callback_broadcast("param_set %s %s %f" % (instance, portsymbol, value), ws)
# Set a plugin block position within the canvas
def ws_plugin_position(self, instance, x, y):
self.host.set_position(instance, x, y)
# set the size of the pedalboard (in 1:1 view, aka "full zoom")
def ws_pedalboard_size(self, width, height):
self.host.set_pedalboard_size(width, height)
# -----------------------------------------------------------------------------------------------------------------
# TODO
# Everything after this line is yet to be documented
def msg_callback(self, msg):
for ws in self.websockets:
ws.write_message(msg)
def msg_callback_broadcast(self, msg, ws2):
for ws in self.websockets:
if ws == ws2: continue
ws.write_message(msg)
def load_pedalboard(self, bundlepath, isDefault):
title = self.host.load(bundlepath, isDefault)
if isDefault:
bundlepath = ""
title = ""
self.pedalboard_changed_callback(True, bundlepath, title)
return title
def reset(self, callback):
def reset_host(ok):
self.host.reset(callback)
if self.hmi.initialized:
def clear_hmi(ok):
self.hmi.clear(reset_host)
self.host.setNavigateWithFootswitches(False, clear_hmi)
else:
reset_host(True)
self.pedalboard_changed_callback(True, "", "")
# host commands
def bypass(self, instance, value, callback):
value = int(value) > 0
self.host.enable(instance, value, callback)
def format_port(self, port):
if not 'system' in port and not 'effect' in port:
port = "effect_%s" % port
return port
def __init__(self):
self.host_initialized = False
self._tuner = False
self._tuner_port = 1
self._peakmeter = False
self.monitor_server = None
self.current_bank = None
self.hmi_initialized = False
# JACK client name of the backend
self.backend_client_name = "ingen"
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok, bundlepath, title: None
# For saving the current pedalboard bundlepath and title
self.bundlepath = None
self.title = None
self.engine_samplerate = 48000 # default value
self.jack_client = None
self.xrun_count = 0
self.xrun_count2 = 0
self.ioloop = ioloop.IOLoop.instance()
socketpath = os.environ.get("MOD_INGEN_SOCKET_URI",
"unix:///tmp/ingen.sock")
if DEV_HOST:
self.host = FakeHost(socketpath)
else:
self.host = Host(socketpath)
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE,
self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if hmiOpened:
# If all ok, use addressings
self.addressings = Addressing(self.hmi)
else:
# Otherwise disable HMI entirely
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE,
self.hmi_initialized_cb)
self.addressings = None
self.recorder = Recorder()
self.player = Player()
self.mute_state = True
self.recording = None
self.instances = []
self.screenshot_generator = ScreenshotGenerator()
self._clipmeter = Clipmeter(self.hmi)
self.websockets = []
self.mididevuuids = []
self.jack_cpu_load_timer = ioloop.PeriodicCallback(
self.jack_cpu_load_timer_callback, 1000)
self.jack_xrun_timer = ioloop.PeriodicCallback(
self.jack_xrun_timer_callback, 500)
self.ioloop.add_callback(self.init_jack)
self.ioloop.add_callback(self.init_socket)
class Session(object):
def __init__(self):
self.host_initialized = False
self._tuner = False
self._tuner_port = 1
self._peakmeter = False
self.monitor_server = None
self.current_bank = None
self.hmi_initialized = False
# JACK client name of the backend
self.backend_client_name = "ingen"
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok, bundlepath, title: None
# For saving the current pedalboard bundlepath and title
self.bundlepath = None
self.title = None
self.engine_samplerate = 48000 # default value
self.jack_client = None
self.xrun_count = 0
self.xrun_count2 = 0
self.ioloop = ioloop.IOLoop.instance()
socketpath = os.environ.get("MOD_INGEN_SOCKET_URI",
"unix:///tmp/ingen.sock")
if DEV_HOST:
self.host = FakeHost(socketpath)
else:
self.host = Host(socketpath)
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE,
self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if hmiOpened:
# If all ok, use addressings
self.addressings = Addressing(self.hmi)
else:
# Otherwise disable HMI entirely
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE,
self.hmi_initialized_cb)
self.addressings = None
self.recorder = Recorder()
self.player = Player()
self.mute_state = True
self.recording = None
self.instances = []
self.screenshot_generator = ScreenshotGenerator()
self._clipmeter = Clipmeter(self.hmi)
self.websockets = []
self.mididevuuids = []
self.jack_cpu_load_timer = ioloop.PeriodicCallback(
self.jack_cpu_load_timer_callback, 1000)
self.jack_xrun_timer = ioloop.PeriodicCallback(
self.jack_xrun_timer_callback, 500)
self.ioloop.add_callback(self.init_jack)
self.ioloop.add_callback(self.init_socket)
def __del__(self):
if self.jack_client is None:
return
jacklib.deactivate(self.jack_client)
jacklib.client_close(self.jack_client)
self.jack_client = None
print("jacklib client deactivated")
def get_hardware(self):
if self.addressings is None:
return {}
hw = deepcopy(get_hardware())
hw["addressings"] = self.addressings.get_addressings()
return hw
# -----------------------------------------------------------------------------------------------------------------
# App utilities, needed only for mod-app
def setupApp(self, clientName, pedalboardChangedCallback):
self.backend_client_name = clientName
self.pedalboard_changed_callback = pedalboardChangedCallback
def reconnectApp(self):
if self.host.sock is not None:
self.host.sock.close()
self.host.sock = None
self.host.open_connection_if_needed(self.host_callback)
# -----------------------------------------------------------------------------------------------------------------
# Initialization
def autoconnect_jack(self):
if self.jack_client is None:
return
for i in range(1, INGEN_NUM_AUDIO_INS + 1):
jacklib.connect(
self.jack_client, "system:capture_%i" % i,
"%s:audio_port_%i_in" % (self.backend_client_name, i))
for i in range(1, INGEN_NUM_AUDIO_OUTS + 1):
jacklib.connect(
self.jack_client,
"%s:audio_port_%i_out" % (self.backend_client_name, i),
"system:playback_%i" % i)
if not DEV_HMI:
# this means we're using HMI, so very likely running MOD hardware
jacklib.connect(self.jack_client, "alsa_midi:ttymidi MIDI out in",
"%s:midi_port_1_in" % self.backend_client_name)
jacklib.connect(self.jack_client,
"%s:midi_port_1_out" % self.backend_client_name,
"alsa_midi:ttymidi MIDI in out")
def init_jack(self):
self.jack_client = jacklib.client_open(
"%s-helper" % self.backend_client_name, jacklib.JackNoStartServer,
None)
self.xrun_count = 0
self.xrun_count2 = 0
if self.jack_client is None:
return
#jacklib.jack_set_port_registration_callback(self.jack_client, self.JackPortRegistrationCallback, None)
jacklib.set_property_change_callback(self.jack_client,
self.JackPropertyChangeCallback,
None)
#jacklib.set_xrun_callback(self.jack_client, self.JackXRunCallback, None)
jacklib.on_shutdown(self.jack_client, self.JackShutdownCallback, None)
jacklib.activate(self.jack_client)
print("jacklib client activated")
if INGEN_AUTOCONNECT:
self.ioloop.add_timeout(timedelta(seconds=3.0),
self.autoconnect_jack)
def init_socket(self):
self.host.open_connection_if_needed(self.host_callback)
def hmi_initialized_cb(self):
logging.info("hmi initialized")
self.hmi_initialized = True
self.hmi.clear()
if self.addressings is not None:
self.addressings.init_host()
# -----------------------------------------------------------------------------------------------------------------
# Timers (start and stop in sync with webserver IOLoop)
def start_timers(self):
self.jack_cpu_load_timer.start()
self.jack_xrun_timer.start()
def stop_timers(self):
self.jack_xrun_timer.stop()
self.jack_cpu_load_timer.stop()
# -----------------------------------------------------------------------------------------------------------------
# Webserver callbacks, called from the browser (see webserver.py)
# These will be called as a reponse to an action in the browser.
# A callback must always be used unless specified otherwise.
# Add a new plugin, starts enabled (ie, not bypassed)
def web_add(self, instance, uri, x, y, callback):
self.host.add_plugin(instance, uri, True, x, y, callback)
# Remove a plugin
def web_remove(self, instance, callback):
self.host.remove_plugin(instance, callback)
# Set a plugin parameter
# We use ":bypass" symbol for on/off state
def web_parameter_set(self, port, value, callback):
instance, port2 = port.rsplit("/", 1)
if port2 == ":bypass":
value = value >= 0.5
self.host.enable(instance, not value, callback)
else:
self.host.param_set(port, value, callback)
#self.recorder.parameter(port, value)
# Address a plugin parameter
def web_parameter_address(self, port, actuator_uri, label, maximum,
minimum, value, steps, callback):
if self.addressings is None or not self.hmi_initialized:
callback(False)
return
instance, port2 = port.rsplit("/", 1)
self.addressings.address(instance, port2, actuator_uri, label, maximum,
minimum, value, steps, callback)
# Set a parameter for MIDI learn
def web_parameter_midi_learn(self, port, callback):
self.host.midi_learn(port, callback)
# Load a plugin preset
def web_preset_load(self, instance, uri, callback):
self.host.preset_load(instance, uri, callback)
# Set a plugin block position within the canvas
def web_set_position(self, instance, x, y, callback):
self.host.set_position(instance, x, y, callback)
# Connect 2 ports
def web_connect(self, port_from, port_to, callback):
self.host.connect(port_from, port_to, callback)
# Disconnect 2 ports
def web_disconnect(self, port_from, port_to, callback):
self.host.disconnect(port_from, port_to, callback)
# Save the current pedalboard
# The order of events is:
# 1. set the graph name to 'title'
# 2. ask backend to save
# 3. create manifest.ttl
# 4. create addressings.json file
# Step 2 is asynchronous, so it happens while 3 and 4 are taking place.
def web_save_pedalboard(self, title, asNew, callback):
titlesym = symbolify(title)
# Save over existing bundlepath
if self.bundlepath and os.path.exists(
self.bundlepath) and os.path.isdir(
self.bundlepath) and not asNew:
bundlepath = self.bundlepath
# Save new
else:
lv2path = os.path.expanduser("~/.lv2/") # FIXME: cross-platform
trypath = os.path.join(lv2path, "%s.pedalboard" % titlesym)
# if trypath already exists, generate a random bundlepath based on title
if os.path.exists(trypath):
from random import randint
while True:
trypath = os.path.join(
lv2path,
"%s-%i.pedalboard" % (titlesym, randint(1, 99999)))
if os.path.exists(trypath):
continue
bundlepath = trypath
break
# trypath doesn't exist yet, use it
else:
bundlepath = trypath
# just in case..
if not os.path.exists(lv2path):
os.mkdir(lv2path)
os.mkdir(bundlepath)
# Various steps triggered by callbacks
def step1(ok):
if ok:
self.host.save(os.path.join(bundlepath, "%s.ttl" % titlesym),
step2)
else:
callback(False)
def step2(ok):
if ok:
self.bundlepath = bundlepath
self.title = title
else:
self.bundlepath = None
self.title = None
self.pedalboard_changed_callback(ok, bundlepath, title)
if not ok:
callback(False)
return
# Create a custom manifest.ttl, not created by ingen because we want *.pedalboard extension
with open(os.path.join(bundlepath, "manifest.ttl"), 'w') as fh:
fh.write("""\
@prefix ingen: <http://drobilla.net/ns/ingen#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix pedal: <http://moddevices.com/ns/modpedal#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
<%s.ttl>
lv2:prototype ingen:GraphPrototype ;
a lv2:Plugin ,
ingen:Graph ,
pedal:Pedalboard ;
rdfs:seeAlso <%s.ttl> .
""" % (titlesym, titlesym))
# Create a addressings.json file
addressings = self.addressings.get_addressings(
) if self.addressings is not None else {}
with open(os.path.join(bundlepath, "addressings.json"), 'w') as fh:
json.dump(addressings, fh)
# All ok!
callback(True)
# start here
self.host.set_pedalboard_name(title, step1)
# Get list of Hardware MIDI devices
# returns (devsInUse, devList)
def web_get_midi_device_list(self):
return self.get_midi_ports(
self.backend_client_name), self.get_midi_ports("alsa_midi")
# Set the selected MIDI devices to @a newDevs
# Will remove or add new JACK ports as needed
@gen.engine
def web_set_midi_devices(self, newDevs):
curDevs = self.get_midi_ports(self.backend_client_name)
# remove
for dev in curDevs:
if dev in newDevs:
continue
if dev.startswith("MIDI Port-"):
continue
dev, modes = dev.rsplit(" (", 1)
jacklib.disconnect(self.jack_client, "alsa_midi:%s in" % dev,
self.backend_client_name + ":control_in")
def remove_external_port_in(callback):
self.host.remove_external_port(dev + " in")
callback(True)
def remove_external_port_out(callback):
self.host.remove_external_port(dev + " out")
callback(True)
yield gen.Task(remove_external_port_in)
if "out" in modes:
yield gen.Task(remove_external_port_out)
# add
for dev in newDevs:
if dev in curDevs:
continue
dev, modes = dev.rsplit(" (", 1)
def add_external_port_in(callback):
self.host.add_external_port(dev + " in", "Input", "MIDI")
callback(True)
def add_external_port_out(callback):
self.host.add_external_port(dev + " out", "Output", "MIDI")
callback(True)
yield gen.Task(add_external_port_in)
if "out" in modes:
yield gen.Task(add_external_port_out)
# Send a ping to HMI
def web_ping_hmi(self, callback):
self.hmi.ping(callback)
# A new webbrowser page has been open
# We need to cache its socket address and send any msg callbacks to it
def websocket_opened(self, ws):
self.websockets.append(ws)
self.host.open_connection_if_needed(self.host_callback)
self.host.get("/graph")
# Webbrowser page closed
def websocket_closed(self, ws):
self.websockets.remove(ws)
# -----------------------------------------------------------------------------------------------------------------
# JACK callbacks, called by JACK itself
# We must take care to ensure not to block for long periods of time or else audio will skip or xrun.
# Callback for when a port appears or disappears
# We use this to trigger a auto-connect mode
#def JackPortRegistrationCallback(self, port, registered, arg):
#if self.jack_client is None:
#return
#if not registered:
#return
# Callback for when a client or port property changes.
# We use this to know the full length name of ingen created ports.
def JackPropertyChangeCallback(self, subject, key, change, arg):
if self.jack_client is None:
return
if change != jacklib.PropertyCreated:
return
if key != jacklib.bJACK_METADATA_PRETTY_NAME:
return
self.mididevuuids.append(subject)
self.ioloop.add_callback(self.jack_midi_devs_callback)
# Callback for when an xrun occurs
def JackXRunCallback(self, arg):
self.xrun_count += 1
return 0
# Callback for when JACK has shutdown or our client zombified
def JackShutdownCallback(self, arg):
self.jack_client = None
# -----------------------------------------------------------------------------------------------------------------
# Misc/Utility functions
# We use these to save possibly duplicated code.
# Get all available MIDI ports of a specific JACK client.
def get_midi_ports(self, client_name):
if self.jack_client is None:
return []
# get input and outputs separately
in_ports = charPtrPtrToStringList(
jacklib.get_ports(
self.jack_client, client_name + ":",
jacklib.JACK_DEFAULT_MIDI_TYPE,
jacklib.JackPortIsPhysical | jacklib.JackPortIsOutput
if client_name == "alsa_midi" else jacklib.JackPortIsInput))
out_ports = charPtrPtrToStringList(
jacklib.get_ports(
self.jack_client, client_name + ":",
jacklib.JACK_DEFAULT_MIDI_TYPE,
jacklib.JackPortIsPhysical | jacklib.JackPortIsInput
if client_name == "alsa_midi" else jacklib.JackPortIsOutput))
if client_name != "alsa_midi":
if "ingen:control_in" in in_ports:
in_ports.remove("ingen:control_in")
if "ingen:control_out" in out_ports:
out_ports.remove("ingen:control_out")
for i in range(len(in_ports)):
uuid = jacklib.port_uuid(
jacklib.port_by_name(self.jack_client, in_ports[i]))
ret, value, type_ = jacklib.get_property(
uuid, jacklib.JACK_METADATA_PRETTY_NAME)
if ret == 0 and type_ == b"text/plain":
in_ports[i] = charPtrToString(value)
for i in range(len(out_ports)):
uuid = jacklib.port_uuid(
jacklib.port_by_name(self.jack_client, out_ports[i]))
ret, value, type_ = jacklib.get_property(
uuid, jacklib.JACK_METADATA_PRETTY_NAME)
if ret == 0 and type_ == b"text/plain":
out_ports[i] = charPtrToString(value)
# remove suffixes from ports
in_ports = [
port.replace(client_name + ":", "", 1).rsplit(" in", 1)[0]
for port in in_ports
]
out_ports = [
port.replace(client_name + ":", "", 1).rsplit(" out", 1)[0]
for port in out_ports
]
# add our own suffix now
ports = []
for port in in_ports:
#if "Midi Through" in port:
#continue
if port in ("jackmidi", "OSS sequencer"):
continue
ports.append(port +
(" (in+out)" if port in out_ports else " (in)"))
return ports
# -----------------------------------------------------------------------------------------------------------------
# Timer callbacks
# These are functions called by the IO loop at regular intervals.
# Single-shot callback that automatically connects new backend JACK MIDI ports to their hardware counterparts.
def jack_midi_devs_callback(self):
while len(self.mididevuuids) != 0:
subject = self.mididevuuids.pop()
ret, value, type_ = jacklib.get_property(
subject, jacklib.JACK_METADATA_PRETTY_NAME)
if ret != 0:
continue
if type_ != b"text/plain":
continue
value = charPtrToString(value)
if not (value.endswith(" in") or value.endswith(" out")):
continue
mod_name = "%s:%s" % (self.backend_client_name,
value.replace(" ", "_").replace("-",
"_").lower())
midi_name = "alsa_midi:%s" % value
# All good, make connection now
if value.endswith(" in"):
jacklib.connect(self.jack_client, midi_name, mod_name)
jacklib.connect(self.jack_client, midi_name,
self.backend_client_name + ":control_in")
else:
jacklib.connect(self.jack_client, mod_name, midi_name)
# Callback for getting the current JACK cpu load and report it to the browser side.
def jack_cpu_load_timer_callback(self):
if self.jack_client is not None:
msg = """[]
a <http://lv2plug.in/ns/ext/patch#Set> ;
<http://lv2plug.in/ns/ext/patch#subject> </engine/> ;
<http://lv2plug.in/ns/ext/patch#property> <http://moddevices/ns/modpedal#cpuload> ;
<http://lv2plug.in/ns/ext/patch#value> "%.1f" .
""" % jacklib.cpu_load(self.jack_client)
for ws in self.websockets:
ws.write_message(msg)
# Callback that checks if xruns have occured.
def jack_xrun_timer_callback(self):
for i in range(self.xrun_count2, self.xrun_count):
self.xrun_count2 += 1
#self.hmi.xrun()
# -----------------------------------------------------------------------------------------------------------------
# TODO
# Everything after this line is yet to be documented
@gen.engine
def host_callback(self):
if self.host_initialized:
return
self.host_initialized = True
def msg_callback(msg):
for ws in self.websockets:
ws.write_message(msg)
def saved_callback(bundlepath):
if add_bundle_to_lilv_world(bundlepath):
pass #self.host.add_bundle(bundlepath)
self.screenshot_generator.schedule_screenshot(bundlepath)
def samplerate_callback(srate):
self.engine_samplerate = srate
def plugin_added_callback(instance, uri, enabled, x, y):
if instance not in self.instances:
self.instances.append(instance)
def plugin_removed_callback(instance):
if instance in self.instances:
self.instances.remove(instance)
self.host.msg_callback = msg_callback
self.host.saved_callback = saved_callback
self.host.samplerate_callback = samplerate_callback
self.host.plugin_added_callback = plugin_added_callback
self.host.plugin_removed_callback = plugin_removed_callback
yield gen.Task(self.host.initial_setup)
# Add ports
for i in range(1, INGEN_NUM_AUDIO_INS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"Audio Port-%i in" % i, "Input", "Audio", callback))
for i in range(1, INGEN_NUM_AUDIO_OUTS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"Audio Port-%i out" % i, "Output", "Audio", callback))
for i in range(1, INGEN_NUM_MIDI_INS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"MIDI Port-%i in" % i, "Input", "MIDI", callback))
for i in range(1, INGEN_NUM_MIDI_OUTS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"MIDI Port-%i out" % i, "Output", "MIDI", callback))
for i in range(1, INGEN_NUM_CV_INS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"CV Port-%i in" % i, "Input", "CV", callback))
for i in range(1, INGEN_NUM_CV_OUTS + 1):
yield gen.Task(lambda callback: self.host.add_external_port(
"CV Port-%i out" % i, "Output", "CV", callback))
def load_pedalboard(self, bundlepath, title):
self.bundlepath = bundlepath
self.title = title
self.host.load(bundlepath)
self.pedalboard_changed_callback(True, bundlepath, title)
def reset(self, callback):
self.bundlepath = None
self.title = None
# Callback from socket
def remove_next_plugin(ok):
if not ok:
callback(False)
return
try:
instance = self.instances.pop(0)
except IndexError:
callback(True)
return
self.host.remove_plugin(instance, remove_next_plugin)
# Callback from HMI, ignore ok status
def remove_all_plugins(ok):
remove_next_plugin(True)
# Reset addressing data
if self.addressings is not None:
self.addressings.clear()
# Wait for HMI if available
if self.hmi_initialized:
self.hmi.clear(remove_all_plugins)
else:
remove_next_plugin(True)
self.pedalboard_changed_callback(True, "", "")
#def setup_monitor(self):
#if self.monitor_server is None:
#from mod.monitor import MonitorServer
#self.monitor_server = MonitorServer()
#self.monitor_server.listen(12345)
#self.set_monitor("localhost", 12345, 1, self.add_tools)
#def add_tools(self, resp):
#if resp:
#self.add(CLIPMETER_URI, CLIPMETER_IN, self.setup_clipmeter_in, True)
#self.add(CLIPMETER_URI, CLIPMETER_OUT, self.setup_clipmeter_out, True)
#def setup_clipmeter_in(self, resp):
#if resp:
#self.connect("system:capture_1", "effect_%d:%s" % (CLIPMETER_IN, CLIPMETER_L), lambda r:None, True)
#self.connect("system:capture_2", "effect_%d:%s" % (CLIPMETER_IN, CLIPMETER_R), lambda r:None, True)
#self.parameter_monitor(CLIPMETER_IN, CLIPMETER_MON_L, ">=", 0, lambda r:None)
#self.parameter_monitor(CLIPMETER_IN, CLIPMETER_MON_R, ">=", 0, lambda r:None)
#def setup_clipmeter_out(self, resp):
#if resp:
#self.parameter_monitor(CLIPMETER_OUT, CLIPMETER_MON_L, ">=", 0, lambda r:None)
#self.parameter_monitor(CLIPMETER_OUT, CLIPMETER_MON_R, ">=", 0, lambda r:None)
# host commands
def bypass(self, instance, value, callback):
value = int(value) > 0
#if not loaded:
# self._pedalboard.bypass(instance_id, value)
#self.recorder.bypass(instance, value)
self.host.enable(instance, value, callback)
def format_port(self, port):
if not 'system' in port and not 'effect' in port:
port = "effect_%s" % port
return port
#def set_monitor(self, addr, port, status, callback):
#self.host.monitor(addr, port, status, callback)
#def parameter_monitor(self, instance_id, port_id, op, value, callback):
#self.host.param_monitor(instance_id, port_id, op, value, callback)
# END host commands
# hmi commands
def start_session(self, callback=None):
def verify(resp):
if callback:
callback(resp)
else:
assert (resp)
self.bank_address(0, 0, 1, 0, 0, lambda r: None)
self.bank_address(0, 0, 1, 1, 0, lambda r: None)
self.bank_address(0, 0, 1, 2, 0, lambda r: None)
self.bank_address(0, 0, 1, 3, 0, lambda r: None)
self.hmi.ui_con(verify)
def end_session(self, callback):
self.hmi.ui_dis(callback)
def bank_address(self, hardware_type, hardware_id, actuator_type,
actuator_id, function, callback):
"""
Function is an integer, meaning:
- 0: Nothing (unaddress)
- 1: True bypass
- 2: Pedalboard up
- 3: Pedalboard down
"""
self.hmi.bank_config(hardware_type, hardware_id, actuator_type,
actuator_id, function, callback)
def pedalboard_size(self, width, height, callback):
self.host.set_pedalboard_size(width, height, callback)
def clipmeter(self, pos, value):
self._clipmeter.set(pos, value)
def peakmeter(self, pos, value, peak, callback=None):
cb = callback
if not cb:
cb = lambda r: r
self.hmi.peakmeter(pos, value, peak, cb)
def tuner(self, value, callback=None):
cb = callback
if not cb:
cb = lambda r: r
freq, note, cents = find_freqnotecents(value)
self.hmi.tuner(freq, note, cents, cb)
def start_recording(self):
if self.player.playing:
self.player.stop()
self.recorder.start(self.backend_client_name)
def stop_recording(self):
if self.recorder.recording:
self.recording = self.recorder.stop()
return self.recording
def start_playing(self, stop_callback):
if self.recorder.recording:
self.recording = self.recorder.stop()
def stop():
self.unmute(stop_callback)
def schedule_stop():
self.ioloop.add_timeout(timedelta(seconds=0.5), stop)
def play():
self.player.play(self.recording['handle'], schedule_stop)
self.mute(play)
def stop_playing(self):
self.player.stop()
def reset_recording(self):
self.recording = None
def mute(self, callback):
return
#self.set_audio_state(False, callback)
def unmute(self, callback):
return
def __init__(self):
self.host_initialized = False
self._tuner = False
self._tuner_port = 1
self._peakmeter = False
self.monitor_server = None
self.current_bank = None
self.hmi_initialized = False
# JACK client name of the backend
self.backend_client_name = "ingen"
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok,bundlepath,title:None
# For saving the current pedalboard bundlepath and title
self.bundlepath = None
self.title = None
self.engine_samplerate = 48000 # default value
self.jack_client = None
self.xrun_count = 0
self.xrun_count2 = 0
self.ioloop = ioloop.IOLoop.instance()
socketpath = os.environ.get("MOD_INGEN_SOCKET_URI", "unix:///tmp/ingen.sock")
if DEV_HOST:
self.host = FakeHost(socketpath)
else:
self.host = Host(socketpath)
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if hmiOpened:
# If all ok, use addressings
self.addressings = Addressing(self.hmi)
else:
# Otherwise disable HMI entirely
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
self.addressings = None
self.recorder = Recorder()
self.player = Player()
self.mute_state = True
self.recording = None
self.instances = []
self.screenshot_generator = ScreenshotGenerator()
self._clipmeter = Clipmeter(self.hmi)
self.websockets = []
self.mididevuuids = []
self.jack_cpu_load_timer = ioloop.PeriodicCallback(self.jack_cpu_load_timer_callback, 1000)
self.jack_xrun_timer = ioloop.PeriodicCallback(self.jack_xrun_timer_callback, 500)
self.ioloop.add_callback(self.init_jack)
self.ioloop.add_callback(self.init_socket)
class Session(object):
def __init__(self):
self.host_initialized = False
self._tuner = False
self._tuner_port = 1
self._peakmeter = False
self.monitor_server = None
self.current_bank = None
self.hmi_initialized = False
# JACK client name of the backend
self.backend_client_name = "ingen"
# Used in mod-app to know when the current pedalboard changed
self.pedalboard_changed_callback = lambda ok,bundlepath,title:None
# For saving the current pedalboard bundlepath and title
self.bundlepath = None
self.title = None
self.engine_samplerate = 48000 # default value
self.jack_client = None
self.xrun_count = 0
self.xrun_count2 = 0
self.ioloop = ioloop.IOLoop.instance()
socketpath = os.environ.get("MOD_INGEN_SOCKET_URI", "unix:///tmp/ingen.sock")
if DEV_HOST:
self.host = FakeHost(socketpath)
else:
self.host = Host(socketpath)
# Try to open real HMI
hmiOpened = False
if not DEV_HMI:
self.hmi = HMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
hmiOpened = self.hmi.sp is not None
print("Using HMI =>", hmiOpened)
if hmiOpened:
# If all ok, use addressings
self.addressings = Addressing(self.hmi)
else:
# Otherwise disable HMI entirely
self.hmi = FakeHMI(HMI_SERIAL_PORT, HMI_BAUD_RATE, self.hmi_initialized_cb)
self.addressings = None
self.recorder = Recorder()
self.player = Player()
self.mute_state = True
self.recording = None
self.instances = []
self.screenshot_generator = ScreenshotGenerator()
self._clipmeter = Clipmeter(self.hmi)
self.websockets = []
self.mididevuuids = []
self.jack_cpu_load_timer = ioloop.PeriodicCallback(self.jack_cpu_load_timer_callback, 1000)
self.jack_xrun_timer = ioloop.PeriodicCallback(self.jack_xrun_timer_callback, 500)
self.ioloop.add_callback(self.init_jack)
self.ioloop.add_callback(self.init_socket)
def __del__(self):
if self.jack_client is None:
return
jacklib.deactivate(self.jack_client)
jacklib.client_close(self.jack_client)
self.jack_client = None
print("jacklib client deactivated")
def get_hardware(self):
if self.addressings is None:
return {}
hw = deepcopy(get_hardware())
hw["addressings"] = self.addressings.get_addressings()
return hw
# -----------------------------------------------------------------------------------------------------------------
# App utilities, needed only for mod-app
def setupApp(self, clientName, pedalboardChangedCallback):
self.backend_client_name = clientName
self.pedalboard_changed_callback = pedalboardChangedCallback
def reconnectApp(self):
if self.host.sock is not None:
self.host.sock.close()
self.host.sock = None
self.host.open_connection_if_needed(self.host_callback)
# -----------------------------------------------------------------------------------------------------------------
# Initialization
def autoconnect_jack(self):
if self.jack_client is None:
return
for i in range(1, INGEN_NUM_AUDIO_INS+1):
jacklib.connect(self.jack_client, "system:capture_%i" % i, "%s:audio_port_%i_in" % (self.backend_client_name, i))
for i in range(1, INGEN_NUM_AUDIO_OUTS+1):
jacklib.connect(self.jack_client,"%s:audio_port_%i_out" % (self.backend_client_name, i), "system:playback_%i" % i)
if not DEV_HMI:
# this means we're using HMI, so very likely running MOD hardware
jacklib.connect(self.jack_client, "alsa_midi:ttymidi MIDI out in", "%s:midi_port_1_in" % self.backend_client_name)
jacklib.connect(self.jack_client, "%s:midi_port_1_out" % self.backend_client_name, "alsa_midi:ttymidi MIDI in out")
def init_jack(self):
self.jack_client = jacklib.client_open("%s-helper" % self.backend_client_name, jacklib.JackNoStartServer, None)
self.xrun_count = 0
self.xrun_count2 = 0
if self.jack_client is None:
return
#jacklib.jack_set_port_registration_callback(self.jack_client, self.JackPortRegistrationCallback, None)
jacklib.set_property_change_callback(self.jack_client, self.JackPropertyChangeCallback, None)
#jacklib.set_xrun_callback(self.jack_client, self.JackXRunCallback, None)
jacklib.on_shutdown(self.jack_client, self.JackShutdownCallback, None)
jacklib.activate(self.jack_client)
print("jacklib client activated")
if INGEN_AUTOCONNECT:
self.ioloop.add_timeout(timedelta(seconds=3.0), self.autoconnect_jack)
def init_socket(self):
self.host.open_connection_if_needed(self.host_callback)
def hmi_initialized_cb(self):
logging.info("hmi initialized")
self.hmi_initialized = True
self.hmi.clear()
if self.addressings is not None:
self.addressings.init_host()
# -----------------------------------------------------------------------------------------------------------------
# Timers (start and stop in sync with webserver IOLoop)
def start_timers(self):
self.jack_cpu_load_timer.start()
self.jack_xrun_timer.start()
def stop_timers(self):
self.jack_xrun_timer.stop()
self.jack_cpu_load_timer.stop()
# -----------------------------------------------------------------------------------------------------------------
# Webserver callbacks, called from the browser (see webserver.py)
# These will be called as a reponse to an action in the browser.
# A callback must always be used unless specified otherwise.
# Add a new plugin, starts enabled (ie, not bypassed)
def web_add(self, instance, uri, x, y, callback):
self.host.add_plugin(instance, uri, True, x, y, callback)
# Remove a plugin
def web_remove(self, instance, callback):
self.host.remove_plugin(instance, callback)
# Set a plugin parameter
# We use ":bypass" symbol for on/off state
def web_parameter_set(self, port, value, callback):
instance, port2 = port.rsplit("/",1)
if port2 == ":bypass":
value = value >= 0.5
self.host.enable(instance, not value, callback)
else:
self.host.param_set(port, value, callback)
#self.recorder.parameter(port, value)
# Address a plugin parameter
def web_parameter_address(self, port, actuator_uri, label, maximum, minimum, value, steps, callback):
if self.addressings is None or not self.hmi_initialized:
callback(False)
return
instance, port2 = port.rsplit("/",1)
self.addressings.address(instance, port2, actuator_uri, label, maximum, minimum, value, steps, callback)
# Set a parameter for MIDI learn
def web_parameter_midi_learn(self, port, callback):
self.host.midi_learn(port, callback)
# Load a plugin preset
def web_preset_load(self, instance, uri, callback):
self.host.preset_load(instance, uri, callback)
# Set a plugin block position within the canvas
def web_set_position(self, instance, x, y, callback):
self.host.set_position(instance, x, y, callback)
# Connect 2 ports
def web_connect(self, port_from, port_to, callback):
self.host.connect(port_from, port_to, callback)
# Disconnect 2 ports
def web_disconnect(self, port_from, port_to, callback):
self.host.disconnect(port_from, port_to, callback)
# Save the current pedalboard
# The order of events is:
# 1. set the graph name to 'title'
# 2. ask backend to save
# 3. create manifest.ttl
# 4. create addressings.json file
# Step 2 is asynchronous, so it happens while 3 and 4 are taking place.
def web_save_pedalboard(self, title, asNew, callback):
titlesym = symbolify(title)
# Save over existing bundlepath
if self.bundlepath and os.path.exists(self.bundlepath) and os.path.isdir(self.bundlepath) and not asNew:
bundlepath = self.bundlepath
# Save new
else:
lv2path = os.path.expanduser("~/.lv2/") # FIXME: cross-platform
trypath = os.path.join(lv2path, "%s.pedalboard" % titlesym)
# if trypath already exists, generate a random bundlepath based on title
if os.path.exists(trypath):
from random import randint
while True:
trypath = os.path.join(lv2path, "%s-%i.pedalboard" % (titlesym, randint(1,99999)))
if os.path.exists(trypath):
continue
bundlepath = trypath
break
# trypath doesn't exist yet, use it
else:
bundlepath = trypath
# just in case..
if not os.path.exists(lv2path):
os.mkdir(lv2path)
os.mkdir(bundlepath)
# Various steps triggered by callbacks
def step1(ok):
if ok: self.host.save(os.path.join(bundlepath, "%s.ttl" % titlesym), step2)
else: callback(False)
def step2(ok):
if ok:
self.bundlepath = bundlepath
self.title = title
else:
self.bundlepath = None
self.title = None
self.pedalboard_changed_callback(ok, bundlepath, title)
if not ok:
callback(False)
return
# Create a custom manifest.ttl, not created by ingen because we want *.pedalboard extension
with open(os.path.join(bundlepath, "manifest.ttl"), 'w') as fh:
fh.write("""\
@prefix ingen: <http://drobilla.net/ns/ingen#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix pedal: <http://moddevices.com/ns/modpedal#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
<%s.ttl>
lv2:prototype ingen:GraphPrototype ;
a lv2:Plugin ,
ingen:Graph ,
pedal:Pedalboard ;
rdfs:seeAlso <%s.ttl> .
""" % (titlesym, titlesym))
# Create a addressings.json file
addressings = self.addressings.get_addressings() if self.addressings is not None else {}
with open(os.path.join(bundlepath, "addressings.json"), 'w') as fh:
json.dump(addressings, fh)
# All ok!
callback(True)
# start here
self.host.set_pedalboard_name(title, step1)
# Get list of Hardware MIDI devices
# returns (devsInUse, devList)
def web_get_midi_device_list(self):
return self.get_midi_ports(self.backend_client_name), self.get_midi_ports("alsa_midi")
# Set the selected MIDI devices to @a newDevs
# Will remove or add new JACK ports as needed
@gen.engine
def web_set_midi_devices(self, newDevs):
curDevs = self.get_midi_ports(self.backend_client_name)
# remove
for dev in curDevs:
if dev in newDevs:
continue
if dev.startswith("MIDI Port-"):
continue
dev, modes = dev.rsplit(" (",1)
jacklib.disconnect(self.jack_client, "alsa_midi:%s in" % dev, self.backend_client_name+":control_in")
def remove_external_port_in(callback):
self.host.remove_external_port(dev+" in")
callback(True)
def remove_external_port_out(callback):
self.host.remove_external_port(dev+" out")
callback(True)
yield gen.Task(remove_external_port_in)
if "out" in modes:
yield gen.Task(remove_external_port_out)
# add
for dev in newDevs:
if dev in curDevs:
continue
dev, modes = dev.rsplit(" (",1)
def add_external_port_in(callback):
self.host.add_external_port(dev+" in", "Input", "MIDI")
callback(True)
def add_external_port_out(callback):
self.host.add_external_port(dev+" out", "Output", "MIDI")
callback(True)
yield gen.Task(add_external_port_in)
if "out" in modes:
yield gen.Task(add_external_port_out)
# Send a ping to HMI
def web_ping_hmi(self, callback):
self.hmi.ping(callback)
# A new webbrowser page has been open
# We need to cache its socket address and send any msg callbacks to it
def websocket_opened(self, ws):
self.websockets.append(ws)
self.host.open_connection_if_needed(self.host_callback)
self.host.get("/graph")
# Webbrowser page closed
def websocket_closed(self, ws):
self.websockets.remove(ws)
# -----------------------------------------------------------------------------------------------------------------
# JACK callbacks, called by JACK itself
# We must take care to ensure not to block for long periods of time or else audio will skip or xrun.
# Callback for when a port appears or disappears
# We use this to trigger a auto-connect mode
#def JackPortRegistrationCallback(self, port, registered, arg):
#if self.jack_client is None:
#return
#if not registered:
#return
# Callback for when a client or port property changes.
# We use this to know the full length name of ingen created ports.
def JackPropertyChangeCallback(self, subject, key, change, arg):
if self.jack_client is None:
return
if change != jacklib.PropertyCreated:
return
if key != jacklib.bJACK_METADATA_PRETTY_NAME:
return
self.mididevuuids.append(subject)
self.ioloop.add_callback(self.jack_midi_devs_callback)
# Callback for when an xrun occurs
def JackXRunCallback(self, arg):
self.xrun_count += 1
return 0
# Callback for when JACK has shutdown or our client zombified
def JackShutdownCallback(self, arg):
self.jack_client = None
# -----------------------------------------------------------------------------------------------------------------
# Misc/Utility functions
# We use these to save possibly duplicated code.
# Get all available MIDI ports of a specific JACK client.
def get_midi_ports(self, client_name):
if self.jack_client is None:
return []
# get input and outputs separately
in_ports = charPtrPtrToStringList(jacklib.get_ports(self.jack_client, client_name+":", jacklib.JACK_DEFAULT_MIDI_TYPE,
jacklib.JackPortIsPhysical|jacklib.JackPortIsOutput
if client_name == "alsa_midi" else
jacklib.JackPortIsInput
))
out_ports = charPtrPtrToStringList(jacklib.get_ports(self.jack_client, client_name+":", jacklib.JACK_DEFAULT_MIDI_TYPE,
jacklib.JackPortIsPhysical|jacklib.JackPortIsInput
if client_name == "alsa_midi" else
jacklib.JackPortIsOutput
))
if client_name != "alsa_midi":
if "ingen:control_in" in in_ports:
in_ports.remove("ingen:control_in")
if "ingen:control_out" in out_ports:
out_ports.remove("ingen:control_out")
for i in range(len(in_ports)):
uuid = jacklib.port_uuid(jacklib.port_by_name(self.jack_client, in_ports[i]))
ret, value, type_ = jacklib.get_property(uuid, jacklib.JACK_METADATA_PRETTY_NAME)
if ret == 0 and type_ == b"text/plain":
in_ports[i] = charPtrToString(value)
for i in range(len(out_ports)):
uuid = jacklib.port_uuid(jacklib.port_by_name(self.jack_client, out_ports[i]))
ret, value, type_ = jacklib.get_property(uuid, jacklib.JACK_METADATA_PRETTY_NAME)
if ret == 0 and type_ == b"text/plain":
out_ports[i] = charPtrToString(value)
# remove suffixes from ports
in_ports = [port.replace(client_name+":","",1).rsplit(" in" ,1)[0] for port in in_ports ]
out_ports = [port.replace(client_name+":","",1).rsplit(" out",1)[0] for port in out_ports]
# add our own suffix now
ports = []
for port in in_ports:
#if "Midi Through" in port:
#continue
if port in ("jackmidi", "OSS sequencer"):
continue
ports.append(port + (" (in+out)" if port in out_ports else " (in)"))
return ports
# -----------------------------------------------------------------------------------------------------------------
# Timer callbacks
# These are functions called by the IO loop at regular intervals.
# Single-shot callback that automatically connects new backend JACK MIDI ports to their hardware counterparts.
def jack_midi_devs_callback(self):
while len(self.mididevuuids) != 0:
subject = self.mididevuuids.pop()
ret, value, type_ = jacklib.get_property(subject, jacklib.JACK_METADATA_PRETTY_NAME)
if ret != 0:
continue
if type_ != b"text/plain":
continue
value = charPtrToString(value)
if not (value.endswith(" in") or value.endswith(" out")):
continue
mod_name = "%s:%s" % (self.backend_client_name, value.replace(" ", "_").replace("-","_").lower())
midi_name = "alsa_midi:%s" % value
# All good, make connection now
if value.endswith(" in"):
jacklib.connect(self.jack_client, midi_name, mod_name)
jacklib.connect(self.jack_client, midi_name, self.backend_client_name+":control_in")
else:
jacklib.connect(self.jack_client, mod_name, midi_name)
# Callback for getting the current JACK cpu load and report it to the browser side.
def jack_cpu_load_timer_callback(self):
if self.jack_client is not None:
msg = """[]
a <http://lv2plug.in/ns/ext/patch#Set> ;
<http://lv2plug.in/ns/ext/patch#subject> </engine/> ;
<http://lv2plug.in/ns/ext/patch#property> <http://moddevices/ns/modpedal#cpuload> ;
<http://lv2plug.in/ns/ext/patch#value> "%.1f" .
""" % jacklib.cpu_load(self.jack_client)
for ws in self.websockets:
ws.write_message(msg)
# Callback that checks if xruns have occured.
def jack_xrun_timer_callback(self):
for i in range(self.xrun_count2, self.xrun_count):
self.xrun_count2 += 1
#self.hmi.xrun()
# -----------------------------------------------------------------------------------------------------------------
# TODO
# Everything after this line is yet to be documented
@gen.engine
def host_callback(self):
if self.host_initialized:
return
self.host_initialized = True
def msg_callback(msg):
for ws in self.websockets:
ws.write_message(msg)
def saved_callback(bundlepath):
if add_bundle_to_lilv_world(bundlepath):
pass #self.host.add_bundle(bundlepath)
self.screenshot_generator.schedule_screenshot(bundlepath)
def samplerate_callback(srate):
self.engine_samplerate = srate
def plugin_added_callback(instance, uri, enabled, x, y):
if instance not in self.instances:
self.instances.append(instance)
def plugin_removed_callback(instance):
if instance in self.instances:
self.instances.remove(instance)
self.host.msg_callback = msg_callback
self.host.saved_callback = saved_callback
self.host.samplerate_callback = samplerate_callback
self.host.plugin_added_callback = plugin_added_callback
self.host.plugin_removed_callback = plugin_removed_callback
yield gen.Task(self.host.initial_setup)
# Add ports
for i in range(1, INGEN_NUM_AUDIO_INS+1):
yield gen.Task(lambda callback: self.host.add_external_port("Audio Port-%i in" % i, "Input", "Audio", callback))
for i in range(1, INGEN_NUM_AUDIO_OUTS+1):
yield gen.Task(lambda callback: self.host.add_external_port("Audio Port-%i out" % i, "Output", "Audio", callback))
for i in range(1, INGEN_NUM_MIDI_INS+1):
yield gen.Task(lambda callback: self.host.add_external_port("MIDI Port-%i in" % i, "Input", "MIDI", callback))
for i in range(1, INGEN_NUM_MIDI_OUTS+1):
yield gen.Task(lambda callback: self.host.add_external_port("MIDI Port-%i out" % i, "Output", "MIDI", callback))
for i in range(1, INGEN_NUM_CV_INS+1):
yield gen.Task(lambda callback: self.host.add_external_port("CV Port-%i in" % i, "Input", "CV", callback))
for i in range(1, INGEN_NUM_CV_OUTS+1):
yield gen.Task(lambda callback: self.host.add_external_port("CV Port-%i out" % i, "Output", "CV", callback))
def load_pedalboard(self, bundlepath, title):
self.bundlepath = bundlepath
self.title = title
self.host.load(bundlepath)
self.pedalboard_changed_callback(True, bundlepath, title)
def reset(self, callback):
self.bundlepath = None
self.title = None
# Callback from socket
def remove_next_plugin(ok):
if not ok:
callback(False)
return
try:
instance = self.instances.pop(0)
except IndexError:
callback(True)
return
self.host.remove_plugin(instance, remove_next_plugin)
# Callback from HMI, ignore ok status
def remove_all_plugins(ok):
remove_next_plugin(True)
# Reset addressing data
if self.addressings is not None:
self.addressings.clear()
# Wait for HMI if available
if self.hmi_initialized:
self.hmi.clear(remove_all_plugins)
else:
remove_next_plugin(True)
self.pedalboard_changed_callback(True, "", "")
#def setup_monitor(self):
#if self.monitor_server is None:
#from mod.monitor import MonitorServer
#self.monitor_server = MonitorServer()
#self.monitor_server.listen(12345)
#self.set_monitor("localhost", 12345, 1, self.add_tools)
#def add_tools(self, resp):
#if resp:
#self.add(CLIPMETER_URI, CLIPMETER_IN, self.setup_clipmeter_in, True)
#self.add(CLIPMETER_URI, CLIPMETER_OUT, self.setup_clipmeter_out, True)
#def setup_clipmeter_in(self, resp):
#if resp:
#self.connect("system:capture_1", "effect_%d:%s" % (CLIPMETER_IN, CLIPMETER_L), lambda r:None, True)
#self.connect("system:capture_2", "effect_%d:%s" % (CLIPMETER_IN, CLIPMETER_R), lambda r:None, True)
#self.parameter_monitor(CLIPMETER_IN, CLIPMETER_MON_L, ">=", 0, lambda r:None)
#self.parameter_monitor(CLIPMETER_IN, CLIPMETER_MON_R, ">=", 0, lambda r:None)
#def setup_clipmeter_out(self, resp):
#if resp:
#self.parameter_monitor(CLIPMETER_OUT, CLIPMETER_MON_L, ">=", 0, lambda r:None)
#self.parameter_monitor(CLIPMETER_OUT, CLIPMETER_MON_R, ">=", 0, lambda r:None)
# host commands
def bypass(self, instance, value, callback):
value = int(value) > 0
#if not loaded:
# self._pedalboard.bypass(instance_id, value)
#self.recorder.bypass(instance, value)
self.host.enable(instance, value, callback)
def format_port(self, port):
if not 'system' in port and not 'effect' in port:
port = "effect_%s" % port
return port
#def set_monitor(self, addr, port, status, callback):
#self.host.monitor(addr, port, status, callback)
#def parameter_monitor(self, instance_id, port_id, op, value, callback):
#self.host.param_monitor(instance_id, port_id, op, value, callback)
# END host commands
# hmi commands
def start_session(self, callback=None):
def verify(resp):
if callback:
callback(resp)
else:
assert(resp)
self.bank_address(0, 0, 1, 0, 0, lambda r: None)
self.bank_address(0, 0, 1, 1, 0, lambda r: None)
self.bank_address(0, 0, 1, 2, 0, lambda r: None)
self.bank_address(0, 0, 1, 3, 0, lambda r: None)
self.hmi.ui_con(verify)
def end_session(self, callback):
self.hmi.ui_dis(callback)
def bank_address(self, hardware_type, hardware_id, actuator_type, actuator_id, function, callback):
"""
Function is an integer, meaning:
- 0: Nothing (unaddress)
- 1: True bypass
- 2: Pedalboard up
- 3: Pedalboard down
"""
self.hmi.bank_config(hardware_type, hardware_id, actuator_type, actuator_id, function, callback)
def pedalboard_size(self, width, height, callback):
self.host.set_pedalboard_size(width, height, callback)
def clipmeter(self, pos, value):
self._clipmeter.set(pos, value)
def peakmeter(self, pos, value, peak, callback=None):
cb = callback
if not cb:
cb = lambda r: r
self.hmi.peakmeter(pos, value, peak, cb)
def tuner(self, value, callback=None):
cb = callback
if not cb:
cb = lambda r: r
freq, note, cents = find_freqnotecents(value)
self.hmi.tuner(freq, note, cents, cb)
def start_recording(self):
if self.player.playing:
self.player.stop()
self.recorder.start(self.backend_client_name)
def stop_recording(self):
if self.recorder.recording:
self.recording = self.recorder.stop()
return self.recording
def start_playing(self, stop_callback):
if self.recorder.recording:
self.recording = self.recorder.stop()
def stop():
self.unmute(stop_callback)
def schedule_stop():
self.ioloop.add_timeout(timedelta(seconds=0.5), stop)
def play():
self.player.play(self.recording['handle'], schedule_stop)
self.mute(play)
def stop_playing(self):
self.player.stop()
def reset_recording(self):
self.recording = None
def mute(self, callback):
return
#self.set_audio_state(False, callback)
def unmute(self, callback):
return