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api.py
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"""JACK ctypes definitions for usage in python applications."""
# Copyright (C) 2010-2020 Filipe Coelho <falktx@falktx.com>
# 2016-2022 Christopher Arndt <info@chrisarndt.de>
#
# 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.
#
# For a full copy of the GNU General Public License see the file COPYING.md.
# -------------------------------------------------------------------------------------------------
# Imports (Global)
from collections import namedtuple
from ctypes import (
ARRAY,
CFUNCTYPE,
POINTER,
Structure,
byref,
c_char_p,
c_double,
c_float,
c_int,
c_int32,
c_size_t,
c_uint8,
c_uint32,
c_uint64,
c_ulong,
c_void_p,
cdll,
pointer,
sizeof,
)
from sys import platform
# -------------------------------------------------------------------------------------------------
# Load JACK shared library
def _is_python_64bit():
return sizeof(c_void_p) == 8
try:
if platform == "darwin":
_libname = "libjack.dylib"
elif platform in ("win32", "cygwin"):
if _is_python_64bit():
_libname = "libjack64.dll"
else:
_libname = "libjack.dll"
else:
_libname = "libjack.so.0"
jlib = cdll.LoadLibrary(_libname)
except OSError:
raise ImportError("JACK is not available in this system")
# -------------------------------------------------------------------------------------------------
# JACK2 test
try:
if jlib.jack_get_version_string:
JACK2 = True
else:
JACK2 = False
except AttributeError:
JACK2 = False
# -------------------------------------------------------------------------------------------------
# Pre-Types
c_enum = c_int
c_uchar = c_uint8
class _jack_port(Structure):
_fields_ = []
class _jack_client(Structure):
_fields_ = []
# -------------------------------------------------------------------------------------------------
# Defines
ENCODING = "utf-8"
JACK_MAX_FRAMES = 4294967295
JACK_LOAD_INIT_LIMIT = 1024
JACK_DEFAULT_AUDIO_TYPE = "32 bit float mono audio"
JACK_DEFAULT_MIDI_TYPE = "8 bit raw midi"
JACK_UUID_SIZE = 36
JACK_UUID_STRING_SIZE = JACK_UUID_SIZE + 1
JACK_UUID_EMPTY_INITIALIZER = 0
# Meta data
_JACK_METADATA_PREFIX = "http://jackaudio.org/metadata/"
JACK_METADATA_CONNECTED = _JACK_METADATA_PREFIX + "connected"
JACK_METADATA_EVENT_TYPES = _JACK_METADATA_PREFIX + "event-types"
JACK_METADATA_HARDWARE = _JACK_METADATA_PREFIX + "hardware"
JACK_METADATA_ICON_LARGE = _JACK_METADATA_PREFIX + "icon-large"
JACK_METADATA_ICON_NAME = _JACK_METADATA_PREFIX + "icon-name"
JACK_METADATA_ICON_SMALL = _JACK_METADATA_PREFIX + "icon-small"
JACK_METADATA_ORDER = _JACK_METADATA_PREFIX + "order"
JACK_METADATA_PORT_GROUP = _JACK_METADATA_PREFIX + "port-group"
JACK_METADATA_PRETTY_NAME = _JACK_METADATA_PREFIX + "pretty-name"
JACK_METADATA_SIGNAL_TYPE = _JACK_METADATA_PREFIX + "signal-type"
# -------------------------------------------------------------------------------------------------
# Helper functions
def _e(s, encoding=ENCODING):
if encoding:
return s.encode(encoding)
return s
def _d(s, encoding=ENCODING):
if encoding:
return s.decode(encoding)
return s
# -------------------------------------------------------------------------------------------------
# Types
jack_client_t = _jack_client
jack_default_audio_sample_t = c_float
jack_midi_data_t = c_uchar
jack_nframes_t = c_uint32
jack_port_id_t = c_uint32
jack_port_t = _jack_port
jack_time_t = c_uint64
jack_unique_t = c_uint64
jack_uuid_t = c_uint64
jack_options_t = c_enum # JackOptions
jack_status_t = c_enum # JackStatus
jack_transport_state_t = c_enum # JackTransportState
jack_position_bits_t = c_enum # JackPositionBits
jack_session_event_type_t = c_enum # JackSessionEventType
jack_session_flags_t = c_enum # JackSessionFlags
jack_latency_callback_mode_t = c_enum # JackLatencyCallbackMode
jack_property_change_t = c_enum # JacKPropertyChange
# JACK2 only:
jack_port_type_id_t = c_uint32
# enum JackOptions
JackNullOption = 0x00
JackNoStartServer = 0x01
JackUseExactName = 0x02
JackServerName = 0x04
JackLoadName = 0x08
JackLoadInit = 0x10
JackSessionID = 0x20
JackOpenOptions = JackSessionID | JackServerName | JackNoStartServer | JackUseExactName
JackLoadOptions = JackLoadInit | JackLoadName | JackUseExactName
# enum JackStatus
JackFailure = 0x01
JackInvalidOption = 0x02
JackNameNotUnique = 0x04
JackServerStarted = 0x08
JackServerFailed = 0x10
JackServerError = 0x20
JackNoSuchClient = 0x40
JackLoadFailure = 0x80
JackInitFailure = 0x100
JackShmFailure = 0x200
JackVersionError = 0x400
JackBackendError = 0x800
JackClientZombie = 0x1000
# enum JackLatencyCallbackMode
JackCaptureLatency = 0
JackPlaybackLatency = 1
# enum JackPortFlags
JackPortIsInput = 0x1
JackPortIsOutput = 0x2
JackPortIsPhysical = 0x4
JackPortCanMonitor = 0x8
JackPortIsTerminal = 0x10
JackPortIsControlVoltage = 0x100
# enum JackTransportState
JackTransportStopped = 0
JackTransportRolling = 1
JackTransportLooping = 2
JackTransportStarting = 3
# JACK2 only:
JackTransportNetStarting = 4
# enum JackPositionBits
JackPositionBBT = 0x10
JackPositionTimecode = 0x20
JackBBTFrameOffset = 0x40
JackAudioVideoRatio = 0x80
JackVideoFrameOffset = 0x100
# JACK2 1.9.19+:
JackTickDouble = 0x200
JACK_POSITION_MASK = (
JackPositionBBT
| JackPositionTimecode
| JackBBTFrameOffset
| JackAudioVideoRatio
| JackVideoFrameOffset
| JackTickDouble
)
# enum JackSessionEventType
JackSessionSave = 1
JackSessionSaveAndQuit = 2
JackSessionSaveTemplate = 3
# enum JackSessionFlags
JackSessionSaveError = 0x01
JackSessionNeedTerminal = 0x02
# enum JackPropertyChange
PropertyCreated = 0
PropertyChanged = 1
PropertyDeleted = 2
# -------------------------------------------------------------------------------------------------
# Structs
class jack_midi_event_t(Structure):
_fields_ = [("time", jack_nframes_t), ("size", c_size_t), ("buffer", POINTER(jack_midi_data_t))]
class jack_latency_range_t(Structure):
_fields_ = [("min", jack_nframes_t), ("max", jack_nframes_t)]
class jack_position_t(Structure):
_fields_ = [
("unique_1", jack_unique_t),
("usecs", jack_time_t),
("frame_rate", jack_nframes_t),
("frame", jack_nframes_t),
("valid", jack_position_bits_t),
("bar", c_int32),
("beat", c_int32),
("tick", c_int32),
("bar_start_tick", c_double),
("beats_per_bar", c_float),
("beat_type", c_float),
("ticks_per_beat", c_double),
("beats_per_minute", c_double),
("frame_time", c_double),
("next_time", c_double),
("bbt_offset", jack_nframes_t),
("audio_frames_per_video_frame", c_float),
("video_offset", jack_nframes_t),
("tick_double", c_double),
("padding", ARRAY(c_int32, 5)),
("unique_2", jack_unique_t),
]
class jack_session_event_t(Structure):
_fields_ = [
("type", jack_session_event_type_t),
("session_dir", c_char_p),
("client_uuid", c_char_p),
("command_line", c_char_p),
("flags", jack_session_flags_t),
("future", c_uint32),
]
class jack_session_command_t(Structure):
_fields_ = [
("uuid", c_char_p),
("client_name", c_char_p),
("command", c_char_p),
("flags", jack_session_flags_t),
]
class jack_property_t(Structure):
_fields_ = [("key", c_char_p), ("data", c_char_p), ("type", c_char_p)]
class jack_description_t(Structure):
_fields_ = [
("subject", jack_uuid_t),
("property_cnt", c_uint32),
("properties", POINTER(jack_property_t)),
("property_size", c_uint32),
]
# -------------------------------------------------------------------------------------------------
# Callbacks
JackLatencyCallback = CFUNCTYPE(None, jack_latency_callback_mode_t, c_void_p)
JackProcessCallback = CFUNCTYPE(c_int, jack_nframes_t, c_void_p)
JackThreadCallback = CFUNCTYPE(c_void_p, c_void_p)
JackThreadInitCallback = CFUNCTYPE(None, c_void_p)
JackGraphOrderCallback = CFUNCTYPE(c_int, c_void_p)
JackXRunCallback = CFUNCTYPE(c_int, c_void_p)
JackBufferSizeCallback = CFUNCTYPE(c_int, jack_nframes_t, c_void_p)
JackSampleRateCallback = CFUNCTYPE(c_int, jack_nframes_t, c_void_p)
JackPortRegistrationCallback = CFUNCTYPE(None, jack_port_id_t, c_int, c_void_p)
JackClientRegistrationCallback = CFUNCTYPE(None, c_char_p, c_int, c_void_p)
# JACK2 only:
JackClientRenameCallback = CFUNCTYPE(c_int, c_char_p, c_char_p, c_void_p)
JackPortConnectCallback = CFUNCTYPE(None, jack_port_id_t, jack_port_id_t, c_int, c_void_p)
# JACK2 only:
JackPortRenameCallback = CFUNCTYPE(None, jack_port_id_t, c_char_p, c_char_p, c_void_p)
JackFreewheelCallback = CFUNCTYPE(None, c_int, c_void_p)
JackShutdownCallback = CFUNCTYPE(None, c_void_p)
JackInfoShutdownCallback = CFUNCTYPE(None, jack_status_t, c_char_p, c_void_p)
JackSyncCallback = CFUNCTYPE(c_int, jack_transport_state_t, POINTER(jack_position_t), c_void_p)
JackTimebaseCallback = CFUNCTYPE(
None, jack_transport_state_t, jack_nframes_t, POINTER(jack_position_t), c_int, c_void_p
)
JackSessionCallback = CFUNCTYPE(None, POINTER(jack_session_event_t), c_void_p)
JackPropertyChangeCallback = CFUNCTYPE(
None, jack_uuid_t, c_char_p, jack_property_change_t, c_void_p
)
JackErrorCallback = CFUNCTYPE(None, c_char_p)
# -------------------------------------------------------------------------------------------------
# Functions
try:
jlib.jack_get_version_string.argtypes = None
jlib.jack_get_version_string.restype = c_char_p
except AttributeError:
jlib.jack_get_version_string = None
try:
jlib.jack_client_open.argtypes = [c_char_p, jack_options_t, POINTER(jack_status_t), c_char_p]
jlib.jack_client_open.restype = POINTER(jack_client_t)
except AttributeError:
jlib.jack_client_open = None
try:
jlib.jack_client_rename.argtypes = [POINTER(jack_client_t), c_char_p]
jlib.jack_client_rename.restype = c_char_p
except AttributeError:
jlib.jack_client_rename = None
try:
jlib.jack_client_close.argtypes = [POINTER(jack_client_t)]
jlib.jack_client_close.restype = c_int
except AttributeError:
jlib.jack_client_close = None
try:
jlib.jack_client_name_size.argtypes = None
jlib.jack_client_name_size.restype = c_int
except AttributeError:
jlib.jack_client_name_size = None
try:
jlib.jack_get_client_name.argtypes = [POINTER(jack_client_t)]
jlib.jack_get_client_name.restype = c_char_p
except AttributeError:
jlib.jack_get_client_name = None
try:
jlib.jack_activate.argtypes = [POINTER(jack_client_t)]
jlib.jack_activate.restype = c_int
except AttributeError:
jlib.jack_activate = None
try:
jlib.jack_deactivate.argtypes = [POINTER(jack_client_t)]
jlib.jack_deactivate.restype = c_int
except AttributeError:
jlib.jack_deactivate = None
try:
jlib.jack_get_client_pid.argtypes = [c_char_p]
jlib.jack_get_client_pid.restype = c_int
except AttributeError:
jlib.jack_get_client_pid = None
try:
jlib.jack_is_realtime.argtypes = [POINTER(jack_client_t)]
jlib.jack_is_realtime.restype = c_int
except AttributeError:
jlib.jack_is_realtime = None
# JACK2 only:
def get_version_string():
if jlib.jack_get_version_string:
return jlib.jack_get_version_string()
return None
def client_open(client_name, options, status, uuid=""):
if jlib.jack_client_open:
return jlib.jack_client_open(_e(client_name), options, status, _e(uuid) if uuid else None)
return None
def client_rename(client, new_name):
if jlib.jack_client_rename:
return jlib.jack_client_rename(client, _e(new_name))
return None
def client_close(client):
if jlib.jack_client_close:
return jlib.jack_client_close(client)
return -1
def client_name_size():
if jlib.jack_client_name_size:
return jlib.jack_client_name_size()
return 0
def get_client_name(client):
if jlib.jack_get_client_name:
return jlib.jack_get_client_name(client)
return None
def activate(client):
if jlib.jack_activate:
return jlib.jack_activate(client)
return -1
def deactivate(client):
if jlib.jack_deactivate:
return jlib.jack_deactivate(client)
return -1
# JACK2 only:
def get_client_pid(name):
if jlib.jack_get_client_pid:
return jlib.jack_get_client_pid(_e(name))
return 0
def is_realtime(client):
if jlib.jack_is_realtime:
return jlib.jack_is_realtime(client)
return 0
# -------------------------------------------------------------------------------------------------
# Non-Callback API
_thread_callback = None
try:
jlib.jack_cycle_wait.argtypes = [POINTER(jack_client_t)]
jlib.jack_cycle_wait.restype = jack_nframes_t
except AttributeError:
jlib.jack_cycle_wait = None
try:
jlib.jack_cycle_signal.argtypes = [POINTER(jack_client_t), c_int]
jlib.jack_cycle_signal.restype = None
except AttributeError:
jlib.jack_cycle_signal = None
try:
jlib.jack_set_process_thread.argtypes = [POINTER(jack_client_t), JackThreadCallback, c_void_p]
jlib.jack_set_process_thread.restype = c_int
except AttributeError:
jlib.jack_set_process_thread = None
def cycle_wait(client):
if jlib.jack_cycle_wait:
return jlib.jack_cycle_wait(client)
return 0
def cycle_signal(client, status):
if jlib.jack_cycle_signal:
jlib.jack_cycle_signal(client, status)
def set_process_thread(client, thread_callback, arg):
if jlib.jack_set_process_thread:
global _thread_callback
_thread_callback = JackThreadCallback(thread_callback)
return jlib.jack_set_process_thread(client, _thread_callback, arg)
return -1
# -------------------------------------------------------------------------------------------------
# Client Callbacks
_thread_init_callback = _shutdown_callback = _info_shutdown_callback = None
_process_callback = _freewheel_callback = _bufsize_callback = _srate_callback = None
_client_registration_callback = _client_rename_callback = None
_port_registration_callback = _port_connect_callback = _port_rename_callback = None
_graph_callback = _xrun_callback = _latency_callback = None
_property_change_callback = None
try:
jlib.jack_set_thread_init_callback.argtypes = [
POINTER(jack_client_t),
JackThreadInitCallback,
c_void_p,
]
jlib.jack_set_thread_init_callback.restype = c_int
except AttributeError:
jlib.jack_set_thread_init_callback = None
try:
jlib.jack_on_shutdown.argtypes = [POINTER(jack_client_t), JackShutdownCallback, c_void_p]
jlib.jack_on_shutdown.restype = None
except AttributeError:
jlib.jack_on_shutdown = None
try:
jlib.jack_on_info_shutdown.argtypes = [
POINTER(jack_client_t),
JackInfoShutdownCallback,
c_void_p,
]
jlib.jack_on_info_shutdown.restype = None
except AttributeError:
jlib.jack_on_info_shutdown = None
try:
jlib.jack_set_process_callback.argtypes = [
POINTER(jack_client_t),
JackProcessCallback,
c_void_p,
]
jlib.jack_set_process_callback.restype = c_int
except AttributeError:
jlib.jack_set_process_callback = None
try:
jlib.jack_set_freewheel_callback.argtypes = [
POINTER(jack_client_t),
JackFreewheelCallback,
c_void_p,
]
jlib.jack_set_freewheel_callback.restype = c_int
except AttributeError:
jlib.jack_set_freewheel_callback = None
try:
jlib.jack_set_buffer_size_callback.argtypes = [
POINTER(jack_client_t),
JackBufferSizeCallback,
c_void_p,
]
jlib.jack_set_buffer_size_callback.restype = c_int
except AttributeError:
jlib.jack_set_buffer_size_callback = None
try:
jlib.jack_set_sample_rate_callback.argtypes = [
POINTER(jack_client_t),
JackSampleRateCallback,
c_void_p,
]
jlib.jack_set_sample_rate_callback.restype = c_int
except AttributeError:
jlib.jack_set_sample_rate_callback = None
try:
jlib.jack_set_client_registration_callback.argtypes = [
POINTER(jack_client_t),
JackClientRegistrationCallback,
c_void_p,
]
jlib.jack_set_client_registration_callback.restype = c_int
except AttributeError:
jlib.jack_set_client_registration_callback = None
try:
jlib.jack_set_client_rename_callback.argtypes = [
POINTER(jack_client_t),
JackClientRenameCallback,
c_void_p,
]
jlib.jack_set_client_rename_callback.restype = c_int
except AttributeError:
jlib.jack_set_client_rename_callback = None
try:
jlib.jack_set_port_registration_callback.argtypes = [
POINTER(jack_client_t),
JackPortRegistrationCallback,
c_void_p,
]
jlib.jack_set_port_registration_callback.restype = c_int
except AttributeError:
jlib.jack_set_port_registration_callback = None
try:
jlib.jack_set_port_connect_callback.argtypes = [
POINTER(jack_client_t),
JackPortConnectCallback,
c_void_p,
]
jlib.jack_set_port_connect_callback.restype = c_int
except AttributeError:
jlib.jack_set_port_connect_callback = None
try:
jlib.jack_set_port_rename_callback.argtypes = [
POINTER(jack_client_t),
JackPortRenameCallback,
c_void_p,
]
jlib.jack_set_port_rename_callback.restype = c_int
except AttributeError:
jlib.jack_set_port_rename_callback = None
try:
jlib.jack_set_graph_order_callback.argtypes = [
POINTER(jack_client_t),
JackGraphOrderCallback,
c_void_p,
]
jlib.jack_set_graph_order_callback.restype = c_int
except AttributeError:
jlib.jack_set_graph_order_callback = None
try:
jlib.jack_set_xrun_callback.argtypes = [POINTER(jack_client_t), JackXRunCallback, c_void_p]
jlib.jack_set_xrun_callback.restype = c_int
except AttributeError:
jlib.jack_set_xrun_callback = None
try:
jlib.jack_set_latency_callback.argtypes = [
POINTER(jack_client_t),
JackLatencyCallback,
c_void_p,
]
jlib.jack_set_latency_callback.restype = c_int
except AttributeError:
jlib.jack_set_latency_callback = None
def set_thread_init_callback(client, thread_init_callback, arg):
if jlib.jack_set_thread_init_callback:
global _thread_init_callback
_thread_init_callback = JackThreadInitCallback(thread_init_callback)
return jlib.jack_set_thread_init_callback(client, _thread_init_callback, arg)
return -1
def on_shutdown(client, shutdown_callback, arg):
if jlib.jack_on_shutdown:
global _shutdown_callback
_shutdown_callback = JackShutdownCallback(shutdown_callback)
jlib.jack_on_shutdown(client, _shutdown_callback, arg)
def on_info_shutdown(client, info_shutdown_callback, arg):
if jlib.jack_on_info_shutdown:
global _info_shutdown_callback
_info_shutdown_callback = JackInfoShutdownCallback(info_shutdown_callback)
jlib.jack_on_info_shutdown(client, _info_shutdown_callback, arg)
def set_process_callback(client, process_callback, arg):
if jlib.jack_set_process_callback:
global _process_callback
_process_callback = JackProcessCallback(process_callback)
return jlib.jack_set_process_callback(client, _process_callback, arg)
return -1
def set_freewheel_callback(client, freewheel_callback, arg):
if jlib.jack_set_freewheel_callback:
global _freewheel_callback
_freewheel_callback = JackFreewheelCallback(freewheel_callback)
return jlib.jack_set_freewheel_callback(client, _freewheel_callback, arg)
return -1
def set_buffer_size_callback(client, bufsize_callback, arg):
if jlib.jack_set_buffer_size_callback:
global _bufsize_callback
_bufsize_callback = JackBufferSizeCallback(bufsize_callback)
return jlib.jack_set_buffer_size_callback(client, _bufsize_callback, arg)
return -1
def set_sample_rate_callback(client, srate_callback, arg):
if jlib.jack_set_sample_rate_callback:
global _srate_callback
_srate_callback = JackSampleRateCallback(srate_callback)
return jlib.jack_set_sample_rate_callback(client, _srate_callback, arg)
return -1
def set_client_registration_callback(client, client_registration_callback, arg):
if jlib.jack_set_client_registration_callback:
global _client_registration_callback
_client_registration_callback = JackClientRegistrationCallback(client_registration_callback)
return jlib.jack_set_client_registration_callback(
client, _client_registration_callback, arg
)
return -1
# JACK2 only:
def set_client_rename_callback(client, client_rename_callback, arg):
if jlib.jack_set_client_rename_callback:
global _client_rename_callback
_client_rename_callback = JackClientRenameCallback(client_rename_callback)
return jlib.jack_set_client_rename_callback(client, _client_rename_callback, arg)
return -1
def set_port_registration_callback(client, port_registration_callback, arg):
if jlib.jack_set_port_registration_callback:
global _port_registration_callback
_port_registration_callback = JackPortRegistrationCallback(port_registration_callback)
return jlib.jack_set_port_registration_callback(client, _port_registration_callback, arg)
return -1
def set_port_connect_callback(client, connect_callback, arg):
if jlib.jack_set_port_connect_callback:
global _port_connect_callback
_port_connect_callback = JackPortConnectCallback(connect_callback)
return jlib.jack_set_port_connect_callback(client, _port_connect_callback, arg)
return -1
# JACK2 only:
def set_port_rename_callback(client, rename_callback, arg):
if jlib.jack_set_port_rename_callback:
global _port_rename_callback
_port_rename_callback = JackPortRenameCallback(rename_callback)
return jlib.jack_set_port_rename_callback(client, _port_rename_callback, arg)
return -1
def set_graph_order_callback(client, graph_callback, arg):
if jlib.jack_set_graph_order_callback:
global _graph_callback
_graph_callback = JackGraphOrderCallback(graph_callback)
return jlib.jack_set_graph_order_callback(client, _graph_callback, arg)
return -1
def set_xrun_callback(client, xrun_callback, arg):
if jlib.jack_set_xrun_callback:
global _xrun_callback
_xrun_callback = JackXRunCallback(xrun_callback)
return jlib.jack_set_xrun_callback(client, _xrun_callback, arg)
return -1
def set_latency_callback(client, latency_callback, arg):
if jlib.jack_set_latency_callback:
global _latency_callback
_latency_callback = JackLatencyCallback(latency_callback)
return jlib.jack_set_latency_callback(client, _latency_callback, arg)
return -1
# -------------------------------------------------------------------------------------------------
# Server Control
jlib.jack_set_freewheel.argtypes = [POINTER(jack_client_t), c_int]
jlib.jack_set_freewheel.restype = c_int
jlib.jack_set_buffer_size.argtypes = [POINTER(jack_client_t), jack_nframes_t]
jlib.jack_set_buffer_size.restype = c_int
jlib.jack_get_sample_rate.argtypes = [POINTER(jack_client_t)]
jlib.jack_get_sample_rate.restype = jack_nframes_t
jlib.jack_get_buffer_size.argtypes = [POINTER(jack_client_t)]
jlib.jack_get_buffer_size.restype = jack_nframes_t
jlib.jack_engine_takeover_timebase.argtypes = [POINTER(jack_client_t)]
jlib.jack_engine_takeover_timebase.restype = c_int
jlib.jack_cpu_load.argtypes = [POINTER(jack_client_t)]
jlib.jack_cpu_load.restype = c_float
def set_freewheel(client, onoff):
return jlib.jack_set_freewheel(client, onoff)
def set_buffer_size(client, nframes):
return jlib.jack_set_buffer_size(client, nframes)
def get_sample_rate(client):
return jlib.jack_get_sample_rate(client)
def get_buffer_size(client):
return jlib.jack_get_buffer_size(client)
def engine_takeover_timebase(client):
return jlib.jack_engine_takeover_timebase(client)
def cpu_load(client):
return jlib.jack_cpu_load(client)
# -------------------------------------------------------------------------------------------------
# Port Functions
jlib.jack_port_register.argtypes = [POINTER(jack_client_t), c_char_p, c_char_p, c_ulong, c_ulong]
jlib.jack_port_register.restype = POINTER(jack_port_t)
jlib.jack_port_unregister.argtypes = [POINTER(jack_client_t), POINTER(jack_port_t)]
jlib.jack_port_unregister.restype = c_int
jlib.jack_port_get_buffer.argtypes = [POINTER(jack_port_t), jack_nframes_t]
jlib.jack_port_get_buffer.restype = c_void_p
jlib.jack_port_name.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_name.restype = c_char_p
jlib.jack_port_short_name.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_short_name.restype = c_char_p
jlib.jack_port_flags.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_flags.restype = c_int
jlib.jack_port_type.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_type.restype = c_char_p
if JACK2:
jlib.jack_port_type_id.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_type_id.restype = jack_port_type_id_t
jlib.jack_port_is_mine.argtypes = [POINTER(jack_client_t), POINTER(jack_port_t)]
jlib.jack_port_is_mine.restype = c_int
jlib.jack_port_connected.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_connected.restype = c_int
jlib.jack_port_connected_to.argtypes = [POINTER(jack_port_t), c_char_p]
jlib.jack_port_connected_to.restype = c_int
jlib.jack_port_get_connections.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_get_connections.restype = POINTER(c_char_p)
jlib.jack_port_get_all_connections.argtypes = [POINTER(jack_client_t), POINTER(jack_port_t)]
jlib.jack_port_get_all_connections.restype = POINTER(c_char_p)
jlib.jack_port_tie.argtypes = [POINTER(jack_port_t), POINTER(jack_port_t)]
jlib.jack_port_tie.restype = c_int
jlib.jack_port_untie.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_untie.restype = c_int
jlib.jack_port_set_name.argtypes = [POINTER(jack_port_t), c_char_p]
jlib.jack_port_set_name.restype = c_int
jlib.jack_port_set_alias.argtypes = [POINTER(jack_port_t), c_char_p]
jlib.jack_port_set_alias.restype = c_int
jlib.jack_port_unset_alias.argtypes = [POINTER(jack_port_t), c_char_p]
jlib.jack_port_unset_alias.restype = c_int
jlib.jack_port_get_aliases.argtypes = [POINTER(jack_port_t), POINTER(ARRAY(c_char_p, 2))]
jlib.jack_port_get_aliases.restype = c_int
jlib.jack_port_request_monitor.argtypes = [POINTER(jack_port_t), c_int]
jlib.jack_port_request_monitor.restype = c_int
jlib.jack_port_request_monitor_by_name.argtypes = [POINTER(jack_client_t), c_char_p, c_int]
jlib.jack_port_request_monitor_by_name.restype = c_int
jlib.jack_port_ensure_monitor.argtypes = [POINTER(jack_port_t), c_int]
jlib.jack_port_ensure_monitor.restype = c_int
jlib.jack_port_monitoring_input.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_monitoring_input.restype = c_int
jlib.jack_connect.argtypes = [POINTER(jack_client_t), c_char_p, c_char_p]
jlib.jack_connect.restype = c_int
jlib.jack_disconnect.argtypes = [POINTER(jack_client_t), c_char_p, c_char_p]
jlib.jack_disconnect.restype = c_int
jlib.jack_port_disconnect.argtypes = [POINTER(jack_client_t), POINTER(jack_port_t)]
jlib.jack_port_disconnect.restype = c_int
jlib.jack_port_name_size.argtypes = None
jlib.jack_port_name_size.restype = c_int
jlib.jack_port_type_size.argtypes = None
jlib.jack_port_type_size.restype = c_int
try:
jlib.jack_port_uuid.argtypes = [POINTER(jack_port_t)]
jlib.jack_port_uuid.restype = jack_uuid_t
except AttributeError:
jlib.jack_port_uuid = None
try:
jlib.jack_port_type_get_buffer_size.argtypes = [POINTER(jack_client_t), c_char_p]
jlib.jack_port_type_get_buffer_size.restype = c_size_t
except AttributeError:
jlib.jack_port_type_get_buffer_size = None
def port_register(client, port_name, port_type, flags, buffer_size):
return jlib.jack_port_register(client, _e(port_name), _e(port_type), flags, buffer_size)
def port_unregister(client, port):
return jlib.jack_port_unregister(client, port)
def port_get_buffer(port, nframes):
return jlib.jack_port_get_buffer(port, nframes)
def port_name(port):
return _d(jlib.jack_port_name(port))
def port_short_name(port):
return _d(jlib.jack_port_short_name(port))
def port_flags(port):
return jlib.jack_port_flags(port)
def port_type(port):
return _d(jlib.jack_port_type(port))
# JACK2 only:
def port_type_id(port):
return jlib.jack_port_type_id(port)
def port_is_mine(client, port):
return jlib.jack_port_is_mine(client, port)
def port_connected(port):
return jlib.jack_port_connected(port)