From eb9d750f59161f2bf0a55b4e75b56e65e6f7b432 Mon Sep 17 00:00:00 2001 From: Martin Szulecki Date: Mon, 27 Dec 2010 16:07:43 +0100 Subject: Initial commit of the sources --- AirPlayService.py | 232 +++++++++++++++++++++++++++++++++++ COPYING | 340 +++++++++++++++++++++++++++++++++++++++++++++++++++ NEWS | 7 ++ README | 27 ++++ ZeroconfService.py | 28 +++++ airplay.py | 76 ++++++++++++ airplay.totem-plugin | 10 ++ 7 files changed, 720 insertions(+) create mode 100644 AirPlayService.py create mode 100644 COPYING create mode 100644 NEWS create mode 100644 README create mode 100644 ZeroconfService.py create mode 100644 airplay.py create mode 100644 airplay.totem-plugin diff --git a/AirPlayService.py b/AirPlayService.py new file mode 100644 index 0000000..dee6dde --- /dev/null +++ b/AirPlayService.py @@ -0,0 +1,232 @@ +# -*- coding: utf-8 -*- + +import asyncore +import platform +import socket +import threading +import time +from datetime import datetime, date +from urlparse import urlparse +from ZeroconfService import ZeroconfService + +__all__ = ["BaseAirPlayRequest", "AirPlayService", "AirPlayProtocolHandler"] + +class BaseAirPlayRequest(object): + def read_from_socket(self, socket): + data = socket.recv(1024) + if not data: + return False + + # we split the message into HTTP headers and content body + message = data.split("\r\n\r\n", 1) + headers = message[0] + headerlines = headers.splitlines() + + # parse request headers + command = headerlines[0].split() + self.type = command[0] + self.uri = command[1] + self.version = command[2] + del headerlines[0] + self.headers = self.parse_headers(headerlines) + + # parse any uri query parameters + self.params = None + if (self.uri.find('?')): + url = urlparse(self.uri) + if (url[4] is not ""): + self.params = dict([part.split('=') for part in url[4].split('&')]) + self.uri = url[2] + + # parse message body + if (int(self.headers['Content-Length']) > 0): + self.body = message[1] + # read more data if we have to + if len(self.body) < int(self.headers['Content-Length']): + while 1: + data = socket.recv(8192) + if not data: + break + self.body = self.body + data + + return True + + def parse_headers(self, lines): + headers = {} + for line in lines: + if line: + name, value = line.split(": ", 1) + headers[name.strip()] = value.strip() + return headers + +class AirPlayProtocolHandler(asyncore.dispatcher_with_send): + def __init__(self, socket, service): + asyncore.dispatcher_with_send.__init__(self, socket) + self.service = service + + def handle_read(self): + # read from the socket and parse a HTTP request + request = BaseAirPlayRequest() + if (not request.read_from_socket(self)): + return + + answer = "" + + # process the request and run the appropriate callback + if (request.uri.find('/play')>-1): + parsedbody = request.parse_headers(request.body.splitlines()) + self.service.play(parsedbody['Content-Location'], float(parsedbody['Start-Position'])) + answer = self.create_request() + elif (request.uri.find('/stop')>-1): + self.service.stop(request.headers) + answer = self.create_request() + elif (request.uri.find('/scrub')>-1): + if request.type == 'GET': + d, p = self.service.get_scrub() + content = "duration: " + str(float(d)) + content += "\nposition: " + str(float(p)) + answer = self.create_request(200, content) + elif request.type == 'POST': + self.service.set_scrub(float(request.params['position'])) + answer = self.create_request() + elif (request.uri.find('/reverse')>-1): + self.service.reverse(request.headers) + answer = self.create_request(101) + elif (request.type == 'POST' and request.uri.find('/rate')>-1): + self.service.rate(float(request.params['value'])) + answer = self.create_request() + elif (request.type == 'PUT' and request.uri.find('/photo')>-1): + self.photo(request.body, request.headers['X-Apple-Transition']) + answer = self.create_request() + else: + print "ERROR: AirPlay - Unable to handle request \"%s\"" % (request.uri) + answer = self.create_request(404) + + if(answer is not ""): + self.send(answer) + + def getDateTime(self): + today = datetime.now() + datestr = today.strftime("%a, %d %b %Y %H:%M:%S") + return datestr+" GMT" + + def create_request(self, status = 200, body = ""): + clength = len(bytes(body)) + if (status == 200): + answer = "HTTP/1.1 200 OK" + elif (status == 404): + answer = "HTTP/1.1 404 Not Found" + elif (status == 101): + answer = "HTTP/1.1 101 Switching Protocols" + answer += "\nUpgrade: PTTH/1.0" + answer += "\nConnection: Upgrade" + answer += "\nDate: " + self.getDateTime() + answer += "\nContent-Length: " + str(clength) + answer +="\n\n" + answer += body + return answer + + def get_scrub(self): + return False + + def set_scrub(self, position): + return False + + def play(self, location, position): + return False + + def stop(self, info): + return False + + def reverse(self, info): + return True + + def photo(self, data, transition): + return False + + def rate(self, speed): + return False + + def volume(self, info): + return False + + def authorize(self, info): + return False + + def event(self, info): + return False + +class AsyncoreThread(threading.Thread): + def __init__(self, timeout=30.0, use_poll=0,map=None): + self.flag = True + self.timeout = 30.0 + self.use_poll = use_poll + self.map = map + threading.Thread.__init__(self, None, None, 'asyncore thread') + + def run(self): + self.loop() + + def loop(self): + if self.map is None: + self.map = asyncore.socket_map + + if self.use_poll: + if hasattr(select, 'poll'): + poll_fun = asyncore.poll3 + else: + poll_fun = asyncore.poll2 + else: + poll_fun = asyncore.poll + + while self.map and self.flag: + poll_fun(self.timeout,self.map) + + def end(self): + self.flag=False + self.map=None + +class AirPlayService(asyncore.dispatcher): + def __init__(self, name=None, host="0.0.0.0", port=22555): + print "AirPlayService running" + + # create socket server + asyncore.dispatcher.__init__(self) + self.create_socket(socket.AF_INET, socket.SOCK_STREAM) + self.set_reuse_addr() + self.bind((host, port)) + self.listen(5) + self.remote_clients = [] + + # create avahi service + if (name is None): + name = "Airplay Service on " + platform.node() + self.zeroconf_service = ZeroconfService(name, port=port, stype="_airplay._tcp", text=["Name="+name]) + + # publish avahi service + self.zeroconf_service.publish() + + # do this so we do not block the main thread + self.thread = AsyncoreThread(timeout=30) + self.thread.is_finished = False + self.thread.start() + + def handle_accept(self): + pair = self.accept() + if pair is None: + pass + else: + sock, addr = pair + self.remote_clients.append(AirPlayProtocolHandler(sock, self)) + + def handle_close(self): + self.close() + + def __del__(self): + self.thread.end() + self.close() + del self.thread + + # unpublish avahi service + self.zeroconf_service.unpublish() + diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..08ddefd --- /dev/null +++ b/COPYING @@ -0,0 +1,340 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + , 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. + diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..a69d425 --- /dev/null +++ b/NEWS @@ -0,0 +1,7 @@ +Version 1.0.0 +~~~~~~~~~~~~~ + +* First public release +* Changes: + - Implement all AirPlay video playback functionality + diff --git a/README b/README new file mode 100644 index 0000000..94dde2c --- /dev/null +++ b/README @@ -0,0 +1,27 @@ +Totem AirPlay Plugin +-------------------------------------------------------------------------------- + +A FOSS Python PoC implementation of the server side AirPlay Protocol. + +It announces the AirPlay service over avahi to any iOS devices capabable of +AirPlay and allows a video to be played back in Totem easily. + +The playback can also be controlled from the iOS device including play/pause +aswell as seeking to certain time offsets. + +AirPlay photo "playback" is not supported. + +Future versions could act as a client themself and allow Totem to stream +media to iOS capable servers like the Apple TV 2 or other computers running +Totem with AirPlay support. + +Installation +-------------------------------------------------------------------------------- + +To install the plugin simply symlink the source directory into your Totem's +plugin directory. + +This can be for instance: ~/.local/share/totem/plugins/airplay/ + +Then restart Totem and activate the plugin. Obviously Totem must be compiled +with Python support. diff --git a/ZeroconfService.py b/ZeroconfService.py new file mode 100644 index 0000000..7b3257b --- /dev/null +++ b/ZeroconfService.py @@ -0,0 +1,28 @@ +import avahi +import dbus + +__all__ = ["ZeroconfService"] + +class ZeroconfService(object): + def __init__(self, name, port, stype="_http._tcp", domain="", host="", text=""): + self.name = name + self.stype = stype + self.domain = domain + self.host = host + self.port = port + self.text = text + + def publish(self): + bus = dbus.SystemBus() + server = dbus.Interface(bus.get_object(avahi.DBUS_NAME, avahi.DBUS_PATH_SERVER), avahi.DBUS_INTERFACE_SERVER) + + g = dbus.Interface(bus.get_object(avahi.DBUS_NAME, server.EntryGroupNew()), avahi.DBUS_INTERFACE_ENTRY_GROUP) + g.AddService(avahi.IF_UNSPEC, avahi.PROTO_UNSPEC, dbus.UInt32(0), self.name, self.stype, self.domain, self.host, dbus.UInt16(self.port), self.text) + + g.Commit() + self.group = g + + def unpublish(self): + if self.group is not None: + self.group.Reset() + diff --git a/airplay.py b/airplay.py new file mode 100644 index 0000000..2493764 --- /dev/null +++ b/airplay.py @@ -0,0 +1,76 @@ +# -*- coding: utf-8 -*- + +import totem +import platform +import time +from AirPlayService import AirPlayService + +class AirPlayPlugin (totem.Plugin): + def __init__ (self): + totem.Plugin.__init__ (self) + self.totem = None + + def activate (self, totem_object): + self.service = AirPlayTotemPlayer(totem=totem_object,name="Totem on %s" % (platform.node())) + + def deactivate (self, totem_object): + self.service.__del__() + +class AirPlayTotemPlayer(AirPlayService): + def __init__(self, totem, name=None, host="0.0.0.0", port=22555): + self.location = None + self.totem = totem + AirPlayService.__init__(self, name, host, port) + + def __del__(self): + self.totem.action_stop() + AirPlayService.__del__(self) + + # this returns current media duration and current seek time + def get_scrub(self): + # return self.totem.stream-length, self.totem.current-time + duration = float(self.totem.get_property('stream-length') / 1000) + position = float(self.totem.get_property('current-time') / 1000) + return duration, position + + # this must seek to a certain time + def set_scrub(self, position): + if self.totem.is_seekable(): + self.totem.action_seek_time(int(float(position) * 1000)) + + # this only sets the location and start position, it does not yet start to play + def play(self, location, position): + # start position is in percent + self.location = [location, position] + + # stop the playback completely + def stop(self, info): + self.totem.action_stop() + + # reverse HTTP to PTTH + def reverse(self, info): + pass + + # playback rate, 0.0 - 1.0 + def rate(self, speed): + if (int(float(speed)) >= 1): + if self.location is not None: + # start playback and loading of media + self.totem.add_to_playlist_and_play(self.location[0], "AirPlay Video", False) + # wait until stream-length is loaded and is not zero + duration = 0 + while (int(duration) == 0): + duration = float(self.totem.get_property('stream-length') / 1000) + time.sleep(1) + # we also get a start time from the device, so seek to it + targetoffset = float(duration * float(self.location[1])) + self.set_scrub(targetoffset) + + if (not self.totem.is_playing()): + self.totem.action_play() + + del self.location + self.location = None + else: + self.totem.action_pause() + diff --git a/airplay.totem-plugin b/airplay.totem-plugin new file mode 100644 index 0000000..8446d58 --- /dev/null +++ b/airplay.totem-plugin @@ -0,0 +1,10 @@ +[Totem Plugin] +Loader=python +Module=airplay +IAge=1 +Builtin=false +Name=AirPlay Support +Description=Playback of videos using Apple AirPlay. +Authors=Martin S. +Copyright=Copyright © 2010 Martin S. +Website=http://www.libimobiledevice.org/ -- cgit v1.1-32-gdbae