[deb_shairplay.git] / src / bindings / python / Shairplay.py

# coding=utf-8
'''
Copyright (C) 2012  Juho Vähä-Herttua

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, 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.
'''

import os
import sys
import platform

from ctypes import *

audio_init_prototype =        CFUNCTYPE(py_object, c_void_p, c_int, c_int, c_int)
audio_set_volume_prototype =  CFUNCTYPE(None, c_void_p, c_void_p, c_float)
audio_process_prototype =     CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)
audio_flush_prototype =       CFUNCTYPE(None, c_void_p, c_void_p)
audio_destroy_prototype =     CFUNCTYPE(None, c_void_p, c_void_p)

class RaopNativeCallbacks(Structure):
	_fields_ = [("cls",               py_object),
	            ("audio_init",        audio_init_prototype),
	            ("audio_set_volume",  audio_set_volume_prototype),
	            ("audio_process",     audio_process_prototype),
	            ("audio_flush",       audio_flush_prototype),
	            ("audio_destroy",     audio_destroy_prototype)]

def InitShairplay(libshairplay):
	# Initialize dnssd related functions
	libshairplay.dnssd_init.restype = c_void_p
	libshairplay.dnssd_init.argtypes = [POINTER(c_int)]
	libshairplay.dnssd_register_raop.restype = c_int
	libshairplay.dnssd_register_raop.argtypes = [c_void_p, c_char_p, c_ushort, POINTER(c_char), c_int, c_int]
	libshairplay.dnssd_register_airplay.restype = c_int
	libshairplay.dnssd_register_airplay.argtypes = [c_void_p, c_char_p, c_ushort, POINTER(c_char), c_int]
	libshairplay.dnssd_unregister_raop.restype = None
	libshairplay.dnssd_unregister_raop.argtypes = [c_void_p]
	libshairplay.dnssd_unregister_airplay.restype = None
	libshairplay.dnssd_unregister_airplay.argtypes = [c_void_p]
	libshairplay.dnssd_destroy.restype = None
	libshairplay.dnssd_destroy.argtypes = [c_void_p]

	# Initialize raop related functions
	libshairplay.raop_init.restype = c_void_p
	libshairplay.raop_init.argtypes = [POINTER(RaopNativeCallbacks), c_char_p]
	libshairplay.raop_is_running.restype = c_int
	libshairplay.raop_is_running.argtypes = [c_void_p]
	libshairplay.raop_start.restype = c_int
	libshairplay.raop_start.argtypes = [c_void_p, POINTER(c_ushort), POINTER(c_char), c_int, c_char_p]
	libshairplay.raop_stop.restype = None
	libshairplay.raop_stop.argtypes = [c_void_p]
	libshairplay.raop_destroy.restype = None
	libshairplay.raop_destroy.argtypes = [c_void_p]

def LoadShairplay(path):
	if sys.maxsize < 2**32:
		libname = "shairplay32"
	else:
		libname = "shairplay64"

	if platform.system() == "Windows":
		libname = libname + ".dll"
	elif platform.system() == "Darwin":
		libname = "lib" + libname + ".dylib"
	else:
		libname = "lib" + libname + ".so"

	try:
		fullpath = os.path.join(path, libname)
		libshairplay = cdll.LoadLibrary(fullpath)
	except:
		raise RuntimeError("Couldn't load shairplay library " + libname)

	InitShairplay(libshairplay)
	return libshairplay

RSA_KEY = """
-----BEGIN RSA PRIVATE KEY-----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=
-----END RSA PRIVATE KEY-----
"""

class RaopCallbacks:
	def audio_init(self, bits, channels, samplerate):
		raise NotImplementedError()

	def audio_set_volume(self, session, volume):
		pass

	def audio_process(self, session, buffer):
		raise NotImplementedError()

	def audio_flush(self, session):
		pass

	def audio_destroy(self, session):
		pass

class RaopService:
	def audio_init_cb(self, cls, bits, channels, samplerate):
		session = self.callbacks.audio_init(bits, channels, samplerate)
		self.sessions.append(session)
		return session

	def audio_set_volume_cb(self, cls, sessionptr, volume):
		session = cast(sessionptr, py_object).value
		self.callbacks.audio_set_volume(session, volume)

	def audio_process_cb(self, cls, sessionptr, buffer, buflen):
		session = cast(sessionptr, py_object).value
		strbuffer = string_at(buffer, buflen)
		self.callbacks.audio_process(session, strbuffer)

	def audio_flush_cb(self, cls, sessionptr):
		session = cast(sessionptr, py_object).value
		self.callbacks.audio_flush(session)

	def audio_destroy_cb(self, cls, sessionptr):
		session = cast(sessionptr, py_object).value
		self.callbacks.audio_destroy(session)
		if session in self.sessions:
			self.sessions.remove(session)


	def __init__(self, libshairplay, callbacks):
		self.libshairplay = libshairplay
		self.callbacks = callbacks
		self.sessions = []
		self.instance = None

		# We need to hold a reference to native_callbacks
		self.native_callbacks = RaopNativeCallbacks()
		self.native_callbacks.audio_init = audio_init_prototype(self.audio_init_cb)
		self.native_callbacks.audio_set_volume = audio_set_volume_prototype(self.audio_set_volume_cb)
		self.native_callbacks.audio_process = audio_process_prototype(self.audio_process_cb)
		self.native_callbacks.audio_flush = audio_flush_prototype(self.audio_flush_cb)
		self.native_callbacks.audio_destroy = audio_destroy_prototype(self.audio_destroy_cb)

		# Initialize the raop instance with our callbacks
		self.instance = self.libshairplay.raop_init(pointer(self.native_callbacks), RSA_KEY)
		if self.instance == None:
			raise RuntimeError("Initializing library failed")

	def __del__(self):
		if self.instance != None:
			self.libshairplay.raop_destroy(self.instance)
		self.instance = None

	def is_running(self):
		if self.libshairplay.raop_is_running(self.instance):
			return True
		else:
			return False

	def start(self, port, hwaddrstr, password=None):
		port = c_ushort(port)
		hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))

		ret = self.libshairplay.raop_start(self.instance, pointer(port), hwaddr, c_int(len(hwaddr)), password)
		if ret < 0:
			raise RuntimeError("Starting RAOP instance failed")
		return port.value

	def stop(self):
		self.libshairplay.raop_stop(self.instance)

class DnssdService:
	def __init__(self, libshairplay):
		self.libshairplay = libshairplay
		self.instance = None

		error = c_int(0)

		self.instance = self.libshairplay.dnssd_init(pointer(error))
		if self.instance == None:
			raise RuntimeError("Initializing library failed: " + str(error.value))

	def __del__(self):
		if self.instance != None:
			self.libshairplay.dnssd_destroy(self.instance)
		self.instance = None

	def register_raop(self, name, port, hwaddrstr, password=False):
		hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))
		use_pw = c_int(0)
		if password:
			use_pw = c_int(1)
		self.libshairplay.dnssd_register_raop(self.instance, name, c_ushort(port), hwaddr, len(hwaddr), use_pw)

	def unregister_raop(self):
		self.libshairplay.dnssd_unregister_raop(self.instance)

	def register_airplay(self, name, port, hwaddrstr):
		hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))
		self.libshairplay.dnssd_register_airplay(self.instance, name, c_ushort(port), hwaddr, len(hwaddr))

	def unregister_airplay(self):
		self.libshairplay.dnssd_unregister_airplay(self.instance)
Commit	Line	Data
1f0de05c	1	# coding=utf-8
094e4ad1	2	'''
6b27160f	3	Copyright (C) 2012 Juho Vähä-Herttua
094e4ad1	4
6b27160f JVH	5	Permission is hereby granted, free of charge, to any person obtaining
	6	a copy of this software and associated documentation files (the
	7	"Software"), to deal in the Software without restriction, including
	8	without limitation the rights to use, copy, modify, merge, publish,
	9	distribute, sublicense, and/or sell copies of the Software, and to
	10	permit persons to whom the Software is furnished to do so, subject to
	11	the following conditions:
094e4ad1	12
6b27160f JVH	13	The above copyright notice and this permission notice shall be included
	14	in all copies or substantial portions of the Software.
	15
	16	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	17	EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	18	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	19	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
	20	CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	21	TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	22	SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
094e4ad1 JVH	23	'''
094e4ad1 JVH	24
8be1424a JVH	25	import os
	26	import sys
	27	import platform
	28
	29	from ctypes import *
	30
	31	audio_init_prototype = CFUNCTYPE(py_object, c_void_p, c_int, c_int, c_int)
	32	audio_set_volume_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_float)
	33	audio_process_prototype = CFUNCTYPE(None, c_void_p, c_void_p, c_void_p, c_int)
	34	audio_flush_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
	35	audio_destroy_prototype = CFUNCTYPE(None, c_void_p, c_void_p)
	36
	37	class RaopNativeCallbacks(Structure):
	38	_fields_ = [("cls", py_object),
	39	("audio_init", audio_init_prototype),
	40	("audio_set_volume", audio_set_volume_prototype),
	41	("audio_process", audio_process_prototype),
	42	("audio_flush", audio_flush_prototype),
	43	("audio_destroy", audio_destroy_prototype)]
	44
c1b1e2c3	45	def InitShairplay(libshairplay):
8be1424a JVH	46	# Initialize dnssd related functions
8be1424a JVH	47	libshairplay.dnssd_init.restype = c_void_p
094e4ad1	48	libshairplay.dnssd_init.argtypes = [POINTER(c_int)]
8be1424a	49	libshairplay.dnssd_register_raop.restype = c_int
a68fedbb	50	libshairplay.dnssd_register_raop.argtypes = [c_void_p, c_char_p, c_ushort, POINTER(c_char), c_int, c_int]
8be1424a	51	libshairplay.dnssd_register_airplay.restype = c_int
094e4ad1	52	libshairplay.dnssd_register_airplay.argtypes = [c_void_p, c_char_p, c_ushort, POINTER(c_char), c_int]
8be1424a JVH	53	libshairplay.dnssd_unregister_raop.restype = None
	54	libshairplay.dnssd_unregister_raop.argtypes = [c_void_p]
	55	libshairplay.dnssd_unregister_airplay.restype = None
	56	libshairplay.dnssd_unregister_airplay.argtypes = [c_void_p]
	57	libshairplay.dnssd_destroy.restype = None
	58	libshairplay.dnssd_destroy.argtypes = [c_void_p]
	59
	60	# Initialize raop related functions
	61	libshairplay.raop_init.restype = c_void_p
	62	libshairplay.raop_init.argtypes = [POINTER(RaopNativeCallbacks), c_char_p]
2528f9b0 JVH	63	libshairplay.raop_is_running.restype = c_int
2528f9b0 JVH	64	libshairplay.raop_is_running.argtypes = [c_void_p]
8be1424a	65	libshairplay.raop_start.restype = c_int
a68fedbb	66	libshairplay.raop_start.argtypes = [c_void_p, POINTER(c_ushort), POINTER(c_char), c_int, c_char_p]
8be1424a JVH	67	libshairplay.raop_stop.restype = None
	68	libshairplay.raop_stop.argtypes = [c_void_p]
	69	libshairplay.raop_destroy.restype = None
	70	libshairplay.raop_destroy.argtypes = [c_void_p]
	71
c1b1e2c3 JVH	72	def LoadShairplay(path):
	73	if sys.maxsize < 2**32:
	74	libname = "shairplay32"
	75	else:
	76	libname = "shairplay64"
	77
	78	if platform.system() == "Windows":
	79	libname = libname + ".dll"
	80	elif platform.system() == "Darwin":
	81	libname = "lib" + libname + ".dylib"
	82	else:
	83	libname = "lib" + libname + ".so"
	84
	85	try:
	86	fullpath = os.path.join(path, libname)
	87	libshairplay = cdll.LoadLibrary(fullpath)
	88	except:
	89	raise RuntimeError("Couldn't load shairplay library " + libname)
	90
	91	InitShairplay(libshairplay)
8be1424a JVH	92	return libshairplay
	93
	94	RSA_KEY = """
	95	-----BEGIN RSA PRIVATE KEY-----
	96	MIIEpQIBAAKCAQEA59dE8qLieItsH1WgjrcFRKj6eUWqi+bGLOX1HL3U3GhC/j0Qg90u3sG/1CUt
	97	wC5vOYvfDmFI6oSFXi5ELabWJmT2dKHzBJKa3k9ok+8t9ucRqMd6DZHJ2YCCLlDRKSKv6kDqnw4U
	98	wPdpOMXziC/AMj3Z/lUVX1G7WSHCAWKf1zNS1eLvqr+boEjXuBOitnZ/bDzPHrTOZz0Dew0uowxf
	99	/+sG+NCK3eQJVxqcaJ/vEHKIVd2M+5qL71yJQ+87X6oV3eaYvt3zWZYD6z5vYTcrtij2VZ9Zmni/
	100	UAaHqn9JdsBWLUEpVviYnhimNVvYFZeCXg/IdTQ+x4IRdiXNv5hEewIDAQABAoIBAQDl8Axy9XfW
	101	BLmkzkEiqoSwF0PsmVrPzH9KsnwLGH+QZlvjWd8SWYGN7u1507HvhF5N3drJoVU3O14nDY4TFQAa
	102	LlJ9VM35AApXaLyY1ERrN7u9ALKd2LUwYhM7Km539O4yUFYikE2nIPscEsA5ltpxOgUGCY7b7ez5
	103	NtD6nL1ZKauw7aNXmVAvmJTcuPxWmoktF3gDJKK2wxZuNGcJE0uFQEG4Z3BrWP7yoNuSK3dii2jm
	104	lpPHr0O/KnPQtzI3eguhe0TwUem/eYSdyzMyVx/YpwkzwtYL3sR5k0o9rKQLtvLzfAqdBxBurciz
	105	aaA/L0HIgAmOit1GJA2saMxTVPNhAoGBAPfgv1oeZxgxmotiCcMXFEQEWflzhWYTsXrhUIuz5jFu
	106	a39GLS99ZEErhLdrwj8rDDViRVJ5skOp9zFvlYAHs0xh92ji1E7V/ysnKBfsMrPkk5KSKPrnjndM
	107	oPdevWnVkgJ5jxFuNgxkOLMuG9i53B4yMvDTCRiIPMQ++N2iLDaRAoGBAO9v//mU8eVkQaoANf0Z
	108	oMjW8CN4xwWA2cSEIHkd9AfFkftuv8oyLDCG3ZAf0vrhrrtkrfa7ef+AUb69DNggq4mHQAYBp7L+
	109	k5DKzJrKuO0r+R0YbY9pZD1+/g9dVt91d6LQNepUE/yY2PP5CNoFmjedpLHMOPFdVgqDzDFxU8hL
	110	AoGBANDrr7xAJbqBjHVwIzQ4To9pb4BNeqDndk5Qe7fT3+/H1njGaC0/rXE0Qb7q5ySgnsCb3DvA
	111	cJyRM9SJ7OKlGt0FMSdJD5KG0XPIpAVNwgpXXH5MDJg09KHeh0kXo+QA6viFBi21y340NonnEfdf
	112	54PX4ZGS/Xac1UK+pLkBB+zRAoGAf0AY3H3qKS2lMEI4bzEFoHeK3G895pDaK3TFBVmD7fV0Zhov
	113	17fegFPMwOII8MisYm9ZfT2Z0s5Ro3s5rkt+nvLAdfC/PYPKzTLalpGSwomSNYJcB9HNMlmhkGzc
	114	1JnLYT4iyUyx6pcZBmCd8bD0iwY/FzcgNDaUmbX9+XDvRA0CgYEAkE7pIPlE71qvfJQgoA9em0gI
	115	LAuE4Pu13aKiJnfft7hIjbK+5kyb3TysZvoyDnb3HOKvInK7vXbKuU4ISgxB2bB3HcYzQMGsz1qJ
	116	2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKY=
	117	-----END RSA PRIVATE KEY-----
	118	"""
	119
	120	class RaopCallbacks:
	121	def audio_init(self, bits, channels, samplerate):
	122	raise NotImplementedError()
	123
	124	def audio_set_volume(self, session, volume):
	125	pass
	126
	127	def audio_process(self, session, buffer):
	128	raise NotImplementedError()
	129
	130	def audio_flush(self, session):
	131	pass
	132
	133	def audio_destroy(self, session):
	134	pass
	135
	136	class RaopService:
	137	def audio_init_cb(self, cls, bits, channels, samplerate):
	138	session = self.callbacks.audio_init(bits, channels, samplerate)
1f0de05c JVH	139	self.sessions.append(session)
1f0de05c JVH	140	return session
8be1424a JVH	141
	142	def audio_set_volume_cb(self, cls, sessionptr, volume):
	143	session = cast(sessionptr, py_object).value
	144	self.callbacks.audio_set_volume(session, volume)
	145
	146	def audio_process_cb(self, cls, sessionptr, buffer, buflen):
	147	session = cast(sessionptr, py_object).value
	148	strbuffer = string_at(buffer, buflen)
	149	self.callbacks.audio_process(session, strbuffer)
	150
	151	def audio_flush_cb(self, cls, sessionptr):
	152	session = cast(sessionptr, py_object).value
	153	self.callbacks.audio_flush(session)
	154
	155	def audio_destroy_cb(self, cls, sessionptr):
	156	session = cast(sessionptr, py_object).value
	157	self.callbacks.audio_destroy(session)
1f0de05c JVH	158	if session in self.sessions:
1f0de05c JVH	159	self.sessions.remove(session)
8be1424a JVH	160
	161
	162	def __init__(self, libshairplay, callbacks):
	163	self.libshairplay = libshairplay
	164	self.callbacks = callbacks
1f0de05c	165	self.sessions = []
8be1424a JVH	166	self.instance = None
	167
	168	# We need to hold a reference to native_callbacks
	169	self.native_callbacks = RaopNativeCallbacks()
	170	self.native_callbacks.audio_init = audio_init_prototype(self.audio_init_cb)
	171	self.native_callbacks.audio_set_volume = audio_set_volume_prototype(self.audio_set_volume_cb)
	172	self.native_callbacks.audio_process = audio_process_prototype(self.audio_process_cb)
	173	self.native_callbacks.audio_flush = audio_flush_prototype(self.audio_flush_cb)
	174	self.native_callbacks.audio_destroy = audio_destroy_prototype(self.audio_destroy_cb)
	175
	176	# Initialize the raop instance with our callbacks
	177	self.instance = self.libshairplay.raop_init(pointer(self.native_callbacks), RSA_KEY)
	178	if self.instance == None:
	179	raise RuntimeError("Initializing library failed")
	180
	181	def __del__(self):
	182	if self.instance != None:
	183	self.libshairplay.raop_destroy(self.instance)
	184	self.instance = None
	185
2528f9b0 JVH	186	def is_running(self):
	187	if self.libshairplay.raop_is_running(self.instance):
	188	return True
	189	else:
	190	return False
	191
a68fedbb	192	def start(self, port, hwaddrstr, password=None):
8be1424a JVH	193	port = c_ushort(port)
	194	hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))
	195
a68fedbb	196	ret = self.libshairplay.raop_start(self.instance, pointer(port), hwaddr, c_int(len(hwaddr)), password)
8be1424a JVH	197	if ret < 0:
	198	raise RuntimeError("Starting RAOP instance failed")
	199	return port.value
	200
	201	def stop(self):
	202	self.libshairplay.raop_stop(self.instance)
	203
	204	class DnssdService:
	205	def __init__(self, libshairplay):
	206	self.libshairplay = libshairplay
	207	self.instance = None
	208
8be1424a JVH	209	error = c_int(0)
8be1424a JVH	210
094e4ad1	211	self.instance = self.libshairplay.dnssd_init(pointer(error))
8be1424a JVH	212	if self.instance == None:
	213	raise RuntimeError("Initializing library failed: " + str(error.value))
	214
	215	def __del__(self):
	216	if self.instance != None:
	217	self.libshairplay.dnssd_destroy(self.instance)
	218	self.instance = None
	219
a68fedbb	220	def register_raop(self, name, port, hwaddrstr, password=False):
094e4ad1	221	hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))
a68fedbb JVH	222	use_pw = c_int(0)
	223	if password:
	224	use_pw = c_int(1)
	225	self.libshairplay.dnssd_register_raop(self.instance, name, c_ushort(port), hwaddr, len(hwaddr), use_pw)
8be1424a JVH	226
	227	def unregister_raop(self):
	228	self.libshairplay.dnssd_unregister_raop(self.instance)
	229
094e4ad1 JVH	230	def register_airplay(self, name, port, hwaddrstr):
	231	hwaddr = create_string_buffer(hwaddrstr, len(hwaddrstr))
	232	self.libshairplay.dnssd_register_airplay(self.instance, name, c_ushort(port), hwaddr, len(hwaddr))
8be1424a JVH	233
	234	def unregister_airplay(self):
	235	self.libshairplay.dnssd_unregister_airplay(self.instance)
	236