| #! /usr/bin/python3 |
| # |
| # Copyright (C) 2020 Intel Corporation |
| # |
| # A simplified WFD source that streams the X11 screen using gstreamer |
| # A more complete solution would create a virtual screen visible through the normal system calls, xrandr, etc., |
| # with its pixel aspect ratio, EDID data and what not. This would allow the user to configure it like a real |
| # display in mirror mode or side-by-side mode. |
| |
| import sys |
| import dbus |
| import dbus.mainloop.glib |
| import socket |
| import collections |
| import collections.abc |
| import random |
| import dataclasses |
| import traceback |
| import codecs |
| try: |
| import netifaces |
| except: |
| pass |
| |
| import gi |
| gi.require_version('GLib', '2.0') |
| gi.require_version('Gst', '1.0') |
| gi.require_version('Gtk', '3.0') |
| from gi.repository import GLib, Gst, Gtk, Gdk, Pango, GObject |
| |
| class WFDRTSPServer: |
| class RTSPException(Exception): |
| pass |
| |
| Prop = collections.namedtuple('Prop', ['name', 'desc', 'getter', 'setter', 'type', 'vals']) |
| |
| def __init__(self, port, state_handler, error_handler, init_values, prop_handler): |
| # Should start the TCP server only on the P2P connection's local IP but we won't |
| # know the IP or interface name until after the connection is established. At that |
| # time the sink may try to make the TCP connection at any time so our listen |
| # socket should be up before this. |
| server_address = ('0.0.0.0', port) |
| self.server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
| self.server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1) |
| self.server.bind(server_address) |
| self.server.listen(1) |
| GLib.io_add_watch(self.server, GLib.IO_IN, self.handle_connection) |
| self.conn = None |
| self.tx_queue = [] |
| self.rx_queue = b'' |
| |
| self.state_handler = state_handler |
| self.error_handler = error_handler |
| self.prop_handler = prop_handler |
| self.sm_init(init_values) |
| |
| def handle_data_out(self, conn, *args): |
| try: |
| cmd = self.tx_queue.pop(0) |
| sent = self.conn.send(cmd) |
| |
| if sent < len(cmd): |
| self.tx_queue.insert(0, cmd[sent:]) |
| |
| return len(self.tx_queue) > 0 |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def tx_queue_append(self, cmd): |
| if not self.tx_queue: |
| GLib.io_add_watch(self.conn.fileno(), GLib.IO_OUT, self.handle_data_out) |
| |
| self.tx_queue.append(cmd.encode('utf-8')) |
| self.debug('queued cmd: ' + cmd) |
| |
| def handle_data_hup(self, conn, *args): |
| try: |
| self.debug('HUP') |
| self.error('Disconnected') |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def handle_data_in(self, conn, *args): |
| try: |
| newdata = self.conn.recv(4096) |
| if len(newdata) == 0: |
| self.debug('recv returned 0 bytes') |
| # Disconnect from P2P |
| self.error('Disconnected') |
| return False |
| |
| self.debug('received data: ' + str(newdata)) |
| self.rx_queue += newdata |
| |
| while b'\r\n\r\n' in self.rx_queue: |
| msg, content = self.rx_queue.split(b'\r\n\r\n', 1) |
| lines = msg.split(b'\r\n') |
| |
| headers = {} |
| for line in lines[1:]: |
| if b':' not in line: |
| # Bad syntax |
| rxbuf = b'' |
| return True |
| |
| name, value = line.decode('utf8').split(':', 1) |
| name = name.lower() |
| while len(value) and value[0] == ' ': |
| value = value[1:] |
| |
| if name in headers: |
| # Duplicate |
| rxbuf = b'' |
| return True |
| |
| headers[name] = value |
| |
| cl = 0 |
| if 'content-length' in headers: |
| try: |
| cl = int(headers['content-length']) |
| if cl < 1 or cl > 1000: |
| raise Exception('') |
| except: |
| # Bad syntax |
| rxbuf = b'' |
| return True |
| |
| if len(content) < cl: |
| # Wait for more data |
| return True |
| |
| top_line = lines[0].decode('utf8').split(None, 2) |
| self.rx_queue = self.rx_queue[len(msg) + 4 + cl:] |
| content = content[:cl] |
| |
| if top_line[2] == 'RTSP/1.0': |
| self.source_handle_message(method=top_line[0], target=top_line[1], headers=headers, content=content) |
| elif top_line[0] == 'RTSP/1.0': |
| try: |
| status = int(top_line[1]) |
| if status < 1 or status > 999: |
| raise Exception('Status out of range') |
| except: |
| self.error('Couldn\'t parse response status') |
| |
| self.source_handle_message(status=status, reason=top_line[2], headers=headers, content=content) |
| else: |
| # Bad protocol |
| self.error('Unknown protocol in ' + str(top_line)) |
| |
| return True |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def handle_connection(self, sock, *args): |
| try: |
| if self.conn: |
| return False |
| self.conn, addr = sock.accept() |
| self.debug('RTSP connection from: ' + str(addr)) |
| self.remote_ip = addr[0] |
| |
| if self.expected_remote_ip and self.remote_ip != self.expected_remote_ip: |
| self.conn.close() |
| self.conn = None |
| self.debug('Connection refused, bad source address') |
| return True |
| |
| sock.close() |
| self.server = None |
| GLib.io_add_watch(self.conn.fileno(), GLib.IO_IN, self.handle_data_in) |
| GLib.io_add_watch(self.conn.fileno(), GLib.IO_HUP, self.handle_data_hup) |
| |
| self._state = 'init' |
| self.source_handle_message() |
| return False |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def error(self, msg): |
| self.enter_state('failed') |
| e = WFDRTSPServer.RTSPException('State ' + self._state + ': ' + msg) |
| self.debug('error: ' + msg) |
| raise e |
| |
| def warning(self, msg): |
| self.debug('warning: ' + msg) |
| print('Warning: ' + msg + '\n') |
| |
| def debug(self, msg): |
| pass |
| |
| @property |
| def state(self): |
| return self._state |
| |
| def enter_state(self, new_state): |
| self.debug('state change: ' + self._state + ' -> ' + new_state) |
| self._state = new_state |
| self.state_handler() |
| |
| @property |
| def ready(self): |
| return self._state in ['streaming', 'paused'] |
| |
| @property |
| def props(self): |
| return self._props |
| |
| def sm_init(self, init_values): |
| self._state = 'waiting-rtsp' |
| self.local_params = { |
| 'wfd_video_formats': '00 00 01 08 00000000 00000000 00000040 00 0000 0000 00 none none' |
| } |
| self.remote_params = {} |
| self.local_methods = [ 'org.wfa.wfd1.0', 'SET_PARAMETER', 'GET_PARAMETER', 'PLAY', 'SETUP', 'TEARDOWN' ] |
| self.presentation_url = [ 'rtsp://127.0.0.1/wfd1.0/streamid=0', 'none' ] # Table 88 |
| self.alternative_urls = [ 'rtsp://localhost/wfd1.0/streamid=0' ] |
| self.session_stream_url = None |
| self.session_id = None |
| self.session_timeout = 60 |
| self.local_cseq = 0 |
| self.remote_cseq = None |
| self.last_method = None |
| self.last_require = [] |
| self.last_params = [] |
| self.remote_rtp_port = None |
| self.remote_rtcp_port = None |
| self.local_rtp_port = None |
| self.local_rtcp_port = None |
| self.use_tcp = None |
| self.rtp_pipeline = None |
| self.rtsp_keepalive = None |
| self.rtsp_keepalive_timeout = None |
| self.expected_remote_ip = None |
| self.remote_ip = None |
| self.init_width = init_values['width'] |
| self.init_height = init_values['height'] |
| self.rtcp_enabled = init_values['rtcp_enabled'] |
| |
| self._props = [] |
| |
| @staticmethod |
| def get_init_props(): |
| props = [] |
| values = { |
| 'width': 800, |
| 'height': 600, |
| 'rtcp_enabled': True |
| } |
| |
| def set_val(key, val): |
| values[key] = val |
| props.append(WFDRTSPServer.Prop('Output width', 'Scale the video stream to this X resolution for sending', |
| lambda: values['width'], lambda x: set_val('width', x), int, (640, 1920))) |
| props.append(WFDRTSPServer.Prop('Output height', 'Scale the video stream to this Y resolution for sending', |
| lambda: values['height'], lambda x: set_val('height', x), int, (480, 1080))) |
| props.append(WFDRTSPServer.Prop('Enable RTCP', 'Use RTCP if the Sink requests it during setup', |
| lambda: values['rtcp_enabled'], lambda x: set_val('rtcp_enabled', x), bool, None)) |
| # TODO: Enable Audio |
| # TODO: Audio source |
| |
| return props, values |
| |
| def close(self): |
| # Avoid passing self to io watches so that the refcount can ever reach 0 and |
| # all this can be done in __del__ |
| if self.rtsp_keepalive: |
| GLib.source_remove(self.rtsp_keepalive) |
| self.rtsp_keepalive = None |
| if self.rtsp_keepalive_timeout: |
| GLib.source_remove(self.rtsp_keepalive_timeout) |
| self.rtsp_keepalive_timeout = None |
| if self.rtp_pipeline: |
| self.rtp_pipeline.set_state(Gst.State.NULL) |
| self.rtp_pipeline = None |
| if self.server: |
| self.server.close() |
| self.server = None |
| if self.conn: |
| self.conn.close() |
| self.conn = None |
| |
| def set_local_interface(self, new_value): |
| try: |
| local_ip = netifaces.ifaddresses(new_value)[netifaces.AF_INET][0]['addr'] |
| self.alternative_urls.append('rtsp://' + local_ip + '/wfd1.0/streamid=0') |
| except: |
| pass |
| |
| def set_remote_ip(self, new_value): |
| self.expected_remote_ip = new_value |
| |
| if self.conn and self.remote_ip != self.expected_remote_ip: |
| self.error_handler(WFDRTSPServer.RTSPException('Connection was from a wrong IP')) # TODO: do this in an idle cb |
| |
| def validate_msg(self, method, expected_method, status, reason, headers, target, content): |
| if expected_method is None: |
| # Expected a response, not a request |
| if method is not None: |
| self.error('Received a "' + method + '" request where a response was expected') |
| if status < 200 or status > 299: |
| self.error('Response status ' + str(status) + ' and reason: ' + reason) |
| if status != 200: |
| self.warning('Response status was ' + str(status) + ' ("' + reason + '") in state ' + self._state) |
| |
| try: |
| if int(headers['cseq']) != self.local_cseq: |
| self.error('Response CSeq doesn\'t match') |
| except: |
| self.error('Missing or unparsable CSeq in a response') |
| |
| if self.last_method == 'OPTIONS': |
| if 'public' not in headers: |
| self.error('Missing "Public" header in OPTIONS response') |
| public = [ m.strip() for m in headers['public'].split(',') ] |
| missing = [ m for m in self.last_require if m not in public ] |
| if missing: |
| self.error('Missing required method(s) "' + '", "'.join(missing) + '" in OPTIONS response') |
| |
| if self.last_method == 'GET_PARAMETER': |
| params = {} |
| for line in content.split(b'\r\n'): |
| if b':' not in line: |
| continue |
| k, v = line.decode('utf8').split(':', 1) |
| if k.strip() in params: |
| self.error('Duplicate key "' + k + '" in GET_PARAMETER response') |
| params[k.strip()] = v.strip() |
| missing = [ p for p in self.last_params if p not in params ] |
| if missing: # Not an error |
| self.warning('Missing key(s) "' + '", "'.join(missing) + '" in GET_PARAMETER response') |
| self.remote_params.update(params) |
| |
| return |
| |
| if method is None: |
| self.error('Received an RTSP response where a ' + expected_method + ' was expected') |
| |
| if method != expected_method: |
| self.error('Received a "' + method + '" request where a ' + expected_method + ' was expected') |
| try: |
| if self.remote_cseq is not None and int(headers['cseq']) <= self.remote_cseq: |
| self.error('Unchanged CSeq in a new request') |
| self.remote_cseq = int(headers['cseq']) |
| except: |
| self.error('Missing or unparsable CSeq in a new request') |
| if method == 'OPTIONS' and 'require' not in headers: |
| self.error('Missing "Require" header in OPTIONS request') |
| elif method == 'SETUP' and 'transport' not in headers: |
| self.error('Missing "Transport" header in SETUP request') |
| elif method == 'SETUP' and (target not in self.presentation_url + self.alternative_urls or target == 'none'): |
| self.error('Unknown target "' + target + '" in SETUP request') |
| elif method == 'PLAY' and ('session' not in headers or headers['session'] != self.session_id): |
| self.error('Missing or invalid "Session" header in PLAY request') |
| elif method == 'PLAY' and target != self.session_stream_url: |
| self.error('Unknown target "' + target + '" in PLAY request') |
| elif method == 'PAUSE' and 'session' not in headers: |
| self.error('Missing "Session" header in PAUSE request') |
| elif method == 'PAUSE' and target != self.session_stream_url: |
| self.error('Unknown target "' + target + '" in PAUSE request') |
| elif method == 'TEARDOWN' and 'session' not in headers: |
| self.error('Missing "Session" header in TEARDOWN request') |
| elif method == 'TEARDOWN' and target != self.session_stream_url: |
| self.error('Unknown target "' + target + '" in TEARDOWN request') |
| elif method == 'SET_PARAMETER': |
| params = [] |
| names = [] |
| for line in content.split(b'\r\n'): |
| param = (line.decode('utf8').strip(), None) |
| if not param[0]: |
| continue |
| if ':' in param[0]: |
| k, v = param[0].split(':', 1) |
| param = (k.strip(), v.strip()) |
| if param[0] in names: |
| self.error('Duplicate key "' + param[0] + '" in SET_PARAMETER response') |
| |
| names.append(param[0]) |
| params.append(param) |
| self.last_params = params |
| |
| def request(self, method, target, require=[], params=[]): |
| content = '' |
| cmd = method + ' ' + target + ' RTSP/1.0\r\n' |
| |
| self.local_cseq += 1 |
| cmd += 'CSeq: ' + str(self.local_cseq) + '\r\n' |
| |
| if require: |
| cmd += 'Require: ' + ', '.join(require) + '\r\n' |
| |
| if params: |
| if isinstance(params, collections.abc.Mapping): |
| content = ''.join([ k + ': ' + params[k] + '\r\n' for k in params ]) |
| else: |
| content = ''.join([ k + '\r\n' for k in params ]) |
| content_type = 'text/parameters' |
| |
| if content: |
| cmd += 'Content-Type: ' + content_type + '\r\n' |
| cmd += 'Content-Length: ' + str(len(content)) + '\r\n' |
| |
| cmd += '\r\n' |
| self.tx_queue_append(cmd + content) |
| self.last_method = method |
| self.last_require = require |
| self.last_params = params |
| |
| def response(self, public=[], session=None, transport=None): |
| cmd = 'RTSP/1.0 200 OK\r\n' |
| |
| cmd += 'CSeq: ' + str(self.remote_cseq) + '\r\n' |
| |
| if public: |
| cmd += 'Public: ' + ', '.join(public) + '\r\n' |
| if session is not None: |
| cmd += 'Session: ' + session + '\r\n' |
| if transport is not None: |
| cmd += 'Transport: ' + transport + '\r\n' |
| |
| cmd += '\r\n' |
| self.tx_queue_append(cmd) |
| |
| def parse_video_formats(self, value): |
| # TODO |
| pass |
| |
| def parse_client_rtp_ports(self, value): |
| profile, rtp_p0_str, rtp_p1_str, mode = value.split() |
| try: |
| rtp_p0 = int(rtp_p0_str) |
| rtp_p1 = int(rtp_p1_str) |
| except: |
| self.error('Can\'t parse rtp-port in wfd-client-rtp-ports: ' + value) |
| if rtp_p0 < 1 or rtp_p0 > 65535: |
| self.error('rtp-port0 not valid for Primary Sink: ' + rtp_p0_str) |
| if rtp_p1 != 0: # Table 90 |
| self.error('rtp-port1 not valid for Primary Sink: ' + rtp_p1_str) |
| if profile not in ['RTP/AVP/UDP;unicast', 'RTP/AVP/TCP;unicast']: |
| self.error('Unknown RTP transport in wfd-client-rtp-ports: ' + profile) |
| if mode != 'mode=play': |
| self.error('Unknown mode in wfd-client-rtp-ports: ' + mode) |
| self.remote_rtp_port = rtp_p0 |
| self.use_tcp = (profile == 'RTP/AVP/TCP;unicast') |
| |
| def parse_transport(self, value): |
| params = value.split(';') |
| if len(params) < 3: |
| self.error('Can\'t split SETUP Transport header into profile and port numbers: ' + value) |
| profile = ';'.join(params[0:2]) |
| if profile not in ['RTP/AVP/UDP;unicast', 'RTP/AVP/TCP;unicast']: |
| self.error('Unknown RTP transport in SETUP Transport header: ' + profile) |
| if self.use_tcp != (profile == 'RTP/AVP/TCP;unicast'): |
| self.error('RTP transport in SETUP Transport header different from what we sent in M4: ' + profile) |
| client_port_strs = [p for p in params[2:] if p.startswith('client_port=')] |
| if len(client_port_strs) != 1: |
| self.error('Can\'t find client-port in SETUP Transport header: ' + value) |
| client_ports = client_port_strs[0].split('=', 1)[1].split('-') |
| try: |
| rtp_port = int(client_ports[0]) |
| if len(client_ports) > 1: |
| rtcp_port = int(client_ports[1]) |
| except: |
| self.error('Can\'t parse client-port in SETUP Transport header: ' + client_port_strs[0]) |
| if rtp_port != self.remote_rtp_port: |
| self.error('client-port in SETUP Transport header doesn\'t match what we sent in M4: ' + str(rtp_port)) |
| if len(client_ports) > 1: |
| if rtcp_port < 1 or rtcp_port > 65535 or rtcp_port == rtp_port: # Actually must be rtp_port + 1... |
| self.error('Optional RTCP port not valid in SETUP Transport header: ' + str(rtcp_port)) |
| self.remote_rtcp_port = rtcp_port |
| |
| self._props.append(WFDRTSPServer.Prop('RTP transport', '', lambda: 'TCP' if self.use_tcp else 'UDP', None, str, None)) |
| self._props.append(WFDRTSPServer.Prop('Remote RTP port', '', lambda: self.remote_rtp_port, None, int, None)) |
| self._props.append(WFDRTSPServer.Prop('Remote RTCP port', '', lambda: self.remote_rtcp_port, None, int, None)) |
| |
| def parse_display_edid(self): |
| try: |
| len_str, hex_str = self.remote_params['wfd_display_edid'].split(' ', 1) |
| if len(len_str.strip()) != 4: |
| raise Exception('edid-block-count length is not 4 hex digits') |
| blocks = int(len_str, 16) |
| edid = codecs.decode(hex_str.strip(), 'hex') |
| if blocks < 1 or blocks > 256 or blocks * 128 != len(edid): |
| raise Exception('edid-block-count value wrong') |
| except: |
| edid = None |
| |
| self._props.append(WFDRTSPServer.Prop('EDID info', 'Remote display\'s EDID data', lambda: edid, None, bytes, None)) |
| |
| def create_running_props(self): |
| src = self.rtp_pipeline.get_by_name('src') |
| fps = self.rtp_pipeline.get_by_name('fps') |
| enc = self.rtp_pipeline.get_by_name('videnc') |
| res = self.rtp_pipeline.get_by_name('res') |
| sink = self.rtp_pipeline.get_by_name('sink') |
| self.pipeline_props = [] |
| |
| srcpadcaps = src.srcpads[0].get_allowed_caps() |
| width = srcpadcaps[0]['width'] |
| height = srcpadcaps[0]['height'] |
| props = [] |
| props.append(WFDRTSPServer.Prop('Local width', 'Local screen X resolution', lambda: width, None, int, None)) |
| props.append(WFDRTSPServer.Prop('Local height', 'Local screen Y resolution', lambda: height, None, int, None)) |
| |
| def set_use_damage(val): |
| src.props.use_damage = val |
| props.append(WFDRTSPServer.Prop('Use XDamage', 'Try to use XDamage to reduce bandwidth usage', |
| lambda: src.props.use_damage, set_use_damage, bool, None)) |
| |
| src.props.endx = width |
| src.props.endy = height |
| def set_startx(val): |
| src.set_property('startx', min(val, src.props.endx - 1)) |
| def set_starty(val): |
| src.set_property('starty', min(val, src.props.endy - 1)) |
| def set_endx(val): |
| src.set_property('endx', max(val, src.props.startx + 1)) |
| def set_endy(val): |
| src.set_property('endy', max(val, src.props.starty + 1)) |
| props.append(WFDRTSPServer.Prop('Window min X', 'Skip this many pixels on the left side of the local screen', |
| lambda: src.props.startx, set_startx, int, (0, width - 1))) |
| props.append(WFDRTSPServer.Prop('Window min Y', 'Skip this many pixels on the top of the local screen', |
| lambda: src.props.starty, set_starty, int, (0, height - 1))) |
| props.append(WFDRTSPServer.Prop('Window max X', 'Send screen contents only up to this X coordinate', |
| lambda: src.props.endx, set_endx, int, (1, width))) |
| props.append(WFDRTSPServer.Prop('Window max Y', 'Send screen contents only up to this Y coordinate', |
| lambda: src.props.endy, set_endy, int, (1, height))) |
| |
| def set_framerate(val): |
| fps.props.caps[0]['framerate'] = Gst.Fraction(val) |
| def set_width(val): |
| res.props.caps[0]['width'] = val |
| def set_height(val): |
| res.props.caps[0]['height'] = val |
| props.append(WFDRTSPServer.Prop('Framerate', 'Try to output this many frames per second', |
| lambda: int(fps.props.caps[0]['framerate'].num), set_framerate, int, (1, 30))) |
| props.append(WFDRTSPServer.Prop('Output width', 'Scale the video stream to this X resolution for sending', |
| lambda: res.props.caps[0]['width'], set_width, int, (640, 1920))) |
| props.append(WFDRTSPServer.Prop('Output height', 'Scale the video stream to this Y resolution for sending', |
| lambda: res.props.caps[0]['height'], set_height, int, (480, 1080))) |
| |
| preset_values = ['veryslow', 'slower', 'slow', 'medium', 'fast', 'faster', 'veryfast', 'superfast', 'ultrafast', 'placebo'] |
| preset_map = {'veryslow': 9, 'slower': 8, 'slow': 7, 'medium': 6, 'fast': 5, 'faster': 4, 'veryfast': 3, 'superfast': 2, 'ultrafast': 1, 'placebo': 10} |
| |
| def set_speed_preset(val): |
| enc.props.speed_preset = preset_map[val] |
| props.append(WFDRTSPServer.Prop('H.264 speed preset', 'Speed/quality setting of the H.264 encoder to optimise bandwidth/latency', |
| lambda: enc.props.speed_preset.value_nick, set_speed_preset, str, preset_values)) |
| |
| def set_max_lateness(val): |
| if val <= 0: |
| sink.props.max_lateness = -1 |
| else: |
| sink.props.max_lateness = val * 1000000 # milliseconds to nanoseconds |
| props.append(WFDRTSPServer.Prop('Max lateness', 'Maximum number of milliseconds that a buffer can be late before it is dropped, or 0 for unlimited', |
| lambda: 0 if sink.props.max_lateness == -1 else sink.props.max_lateness / 1000000, set_max_lateness, int, (-1, 3000))) |
| |
| return props |
| |
| def on_gst_message(self, bus, message): |
| t = message.type |
| if t == Gst.MessageType.EOS: |
| self.error('Gstreamer end-of-stream') |
| elif t == Gst.MessageType.STATE_CHANGED: |
| old, new, pending = message.parse_state_changed() |
| self.debug('Gstreamer state change for ' + message.src.name + ' from ' + str(old) + ' to ' + str(new) + ', pending=' + str(pending)) |
| if message.src == self.rtp_pipeline: |
| self.prop_handler() |
| elif t == Gst.MessageType.INFO: |
| err, debug = message.parse_info() |
| self.debug('Gstreamer info for ' + message.src.name + ': ' + str(err) + '\nDebug: ' + str(debug)) |
| elif t == Gst.MessageType.WARNING: |
| err, debug = message.parse_warning() |
| self.debug('Gstreamer warning for ' + message.src.name + ': ' + str(err) + '\nDebug: ' + str(debug)) |
| elif t == Gst.MessageType.ERROR: |
| err, debug = message.parse_error() |
| self.error('Gstreamer error for ' + message.src.name + ': ' + str(err) + '\nDebug: ' + str(debug)) |
| else: |
| self.debug('Gstreamer message of type ' + str(t) + ' for ' + message.src.name + ': ' + str(message)) |
| return True |
| |
| def force_keyframe(self): |
| enc = self.rtp_pipeline.get_by_name('videnc') |
| sink = enc.get_static_pad('sink') |
| timestamp = Gst.CLOCK_TIME_NONE # can/should we use sink.query_position? |
| |
| s = Gst.Structure('GstForceKeyUnit') |
| s.set_value('timestamp', GObject.Value(GObject.TYPE_UINT64, timestamp)) |
| s.set_value('stream-time', GObject.Value(GObject.TYPE_UINT64, timestamp)) |
| s.set_value('all-headers', GObject.Value(GObject.TYPE_BOOLEAN, True)) |
| # TODO: can we also send this event directly to the element instead of the pad? |
| sink.send_event(Gst.Event.new_custom(Gst.EventType.CUSTOM_DOWNSTREAM, s)) |
| |
| def reset_stream(self): |
| if self.rtp_pipeline.get_state(timeout=0)[1] == Gst.State.PLAYING: |
| self.rtp_pipeline.set_state(Gst.State.PAUSED) |
| self.rtp_pipeline.set_state(Gst.State.PLAYING) |
| |
| def rtsp_keepalive_timeout_cb(self): |
| try: |
| self.rtsp_keepalive_timeout = None |
| self.error('Keep-alive response timed out') |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def rtsp_keepalive_cb(self): |
| try: |
| # Send M16 |
| # May need to start being careful with other requests that may be running... |
| self.request('GET_PARAMETER', 'rtsp://localhost/wfd1.0') |
| self.rtsp_keepalive_timeout = GLib.timeout_add_seconds(5, self.rtsp_keepalive_timeout_cb) |
| return True |
| except Exception as e: |
| self.error_handler(e) |
| return False |
| |
| def source_handle_message(self, method=None, target=None, status=None, reason=None, headers={}, content=None): |
| # TODO: check the 6s timeouts as per Section 6.5 |
| # Source side M1-M8 simplified state machine |
| if self._state == 'init': |
| # Send M1 |
| self.request('OPTIONS', '*', require=['org.wfa.wfd1.0']) |
| self.enter_state('M1') |
| elif self._state == 'M1': |
| # Validate M1 response |
| self.validate_msg(method, None, status, reason, headers, None, content) |
| methods = [ m.strip() for m in headers['public'].split(',') ] |
| required = [ 'org.wfa.wfd1.0', 'SET_PARAMETER', 'GET_PARAMETER' ] |
| missing = [ m for m in required if m not in methods ] |
| if missing: |
| self.error('Missing required method(s) "' + '", "'.join(missing) + '" in OPTIONS response') |
| self.enter_state('M2') |
| elif self._state == 'M2': |
| # Validate M2 |
| self.validate_msg(method, 'OPTIONS', status, reason, headers, target, content) |
| if target not in [ '*' ] + self.presentation_url: |
| self.error('Unknown OPTIONS target "' + target + '"') |
| required = [ m.strip() for m in headers['require'].split(',') ] |
| missing = [ m for m in required if m not in self.local_methods ] |
| if missing: |
| self.error('Required methods in OPTIONS request that we don\'t support: ' + ','.join(missing)) |
| |
| # Send M2 response |
| self.response(public=self.local_methods) |
| # Send M3 |
| params = ['wfd_audio_codecs', 'wfd_video_formats', 'wfd_client_rtp_ports', 'wfd_display_edid', 'wfd_uibc_capability'] |
| self.request('GET_PARAMETER', 'rtsp://localhost/wfd1.0', params=params) |
| self.enter_state('M3') |
| elif self._state == 'M3': |
| # Validate M3 response |
| self.validate_msg(method, None, status, reason, headers, None, content) |
| if 'wfd_video_formats' not in self.remote_params or 'wfd_client_rtp_ports' not in self.remote_params: |
| self.error('Required parameters missing from GET_PARAMETER response') |
| self.parse_video_formats(self.remote_params['wfd_video_formats']) |
| self.parse_client_rtp_ports(self.remote_params['wfd_client_rtp_ports']) |
| self.parse_display_edid() |
| self.prop_handler() |
| # Send M4 |
| params = { |
| 'wfd_video_formats': self.local_params['wfd_video_formats'], |
| 'wfd_client_rtp_ports': self.remote_params['wfd_client_rtp_ports'], |
| 'wfd_presentation_URL': self.presentation_url[0] + ' ' + self.presentation_url[1], |
| # TODO: include wfd_audio_codecs if audio present, make video optional, too |
| # TODO: support wfd2_video_formats and wfd2_audio_codecs |
| } |
| self.request('SET_PARAMETER', 'rtsp://localhost/wfd1.0', params=params) |
| self.enter_state('M4') |
| elif self._state == 'M4': |
| # Validate M4 response |
| self.validate_msg(method, None, status, reason, headers, None, content) |
| # Send M5 |
| self.request('SET_PARAMETER', 'rtsp://localhost/wfd1.0', params={'wfd_trigger_method': 'SETUP'}) |
| self.enter_state('M5') |
| elif self._state == 'M5': |
| # Validate M5 response |
| self.validate_msg(method, None, status, reason, headers, None, content) |
| self.enter_state('M6') |
| elif self._state == 'M6': |
| # Validate M6 |
| self.validate_msg(method, 'SETUP', status, reason, headers, target, content) |
| self.parse_transport(headers['transport']) |
| self.session_stream_url = target |
| self.session_id = str(random.randint(a=1, b=999999)) |
| self.local_rtp_port = random.randint(a=20000, b=30000) |
| if self.remote_rtcp_port is not None and self.rtcp_enabled: |
| self.local_rtcp_port = self.local_rtp_port + 1 |
| profile ='RTP/AVP/TCP;unicast' if self.use_tcp else 'RTP/AVP/UDP;unicast' |
| client_port = str(self.remote_rtp_port) + (('-' + str(self.remote_rtcp_port)) if self.remote_rtcp_port is not None else '') |
| server_port = str(self.local_rtp_port) + (('-' + str(self.local_rtcp_port)) if self.local_rtcp_port is not None else '') |
| transport = profile + ';client_port' + client_port + ';server_port=' + server_port |
| # Section B.1 |
| pipeline = ('ximagesrc name=src use-damage=false do-timestamp=true ! capsfilter name=fps caps=video/x-raw,framerate=10/1' + |
| ' ! videoscale method=0 ! capsfilter name=res caps=video/x-raw,width=' + str(self.init_width) + ',height=' + str(self.init_height) + |
| ' ! videoconvert ! video/x-raw,format=I420 ! x264enc tune=zerolatency speed-preset=ultrafast name=videnc' + |
| ' ! queue' + # TODO: add leaky=downstream |
| ' ! mpegtsmux name=mux' + |
| ' ! rtpmp2tpay pt=33 mtu=1472 ! .send_rtp_sink rtpsession name=session .send_rtp_src' + |
| ' ! udpsink name=sink host=' + self.remote_ip + ' port=' + str(self.remote_rtp_port) + ' bind-port=' + str(self.local_rtp_port)) # TODO: bind-address |
| if self.local_rtcp_port is not None: |
| pipeline += ' session.send_rtcp_src ! udpsink name=rtcp_sink host=' + self.remote_ip + \ |
| ' port=' + str(self.remote_rtcp_port) + ' bind-port=' + str(self.local_rtcp_port) # TODO: bind-address |
| self._props.append(WFDRTSPServer.Prop('RTCP enabled', 'Whether we\'re currently sending RTCP data', |
| lambda: self.local_rtcp_port is not None, None, bool, None)) |
| |
| self.rtp_pipeline = Gst.parse_launch(pipeline) |
| bus = self.rtp_pipeline.get_bus() |
| bus.enable_sync_message_emission() |
| bus.add_signal_watch() |
| bus.connect('message', self.on_gst_message) |
| |
| self._props += self.create_running_props() |
| self.prop_handler() |
| |
| # Send M6 response |
| self.response(session=self.session_id + ';timeout=' + str(self.session_timeout), transport=transport) |
| self.enter_state('M7') |
| elif self._state in ['M7', 'paused']: |
| # Validate M7 |
| self.validate_msg(method, 'PLAY', status, reason, headers, target, content) |
| # Send M7 response |
| self.response() |
| self.rtp_pipeline.set_state(Gst.State.PLAYING) |
| # Set up the keep-alive timer, interval must be less than timeout minus 5 seconds |
| self.rtsp_keepalive = GLib.timeout_add_seconds(self.session_timeout - 10, self.rtsp_keepalive_cb) |
| self.enter_state('streaming') |
| elif self._state == 'streaming': |
| if method is None: |
| if self.rtsp_keepalive_timeout: |
| # The M16 response is not to be validated (Section 6.4.16) |
| GLib.source_remove(self.rtsp_keepalive_timeout) |
| self.rtsp_keepalive_timeout = None |
| return |
| self.error('Received an RTSP response where a request was expected') |
| if method == 'PAUSE': |
| self.validate_msg(method, 'PAUSE', status, reason, headers, target, content) |
| self.rtp_pipeline.set_state(Gst.State.PAUSED) |
| self.enter_state('paused') |
| self.response() |
| return |
| if method == 'SET_PARAMETER': |
| self.validate_msg(method, 'SET_PARAMETER', status, reason, headers, target, content) |
| for k, v in self.last_params: |
| if k == 'wfd_idr_request' and v is None: |
| self.force_keyframe() |
| self.response() |
| else: |
| self.error('Unknown request "' + k + '" with value ' + repr(v)) |
| return |
| if method == 'TEARDOWN': |
| # The spec suggests a more graceful teardown but we just close the connection |
| self.error('Teardown requested') |
| self.error('Unsupported method "' + method + '"') |
| |
| WIPHY_IF = 'net.connman.iwd.Adapter' |
| DEVICE_IF = 'net.connman.iwd.p2p.Device' |
| PEER_IF = 'net.connman.iwd.p2p.Peer' |
| WSC_IF = 'net.connman.iwd.SimpleConfiguration' |
| WFD_IF = 'net.connman.iwd.p2p.Display' |
| SVC_MGR_IF = 'net.connman.iwd.p2p.ServiceManager' |
| |
| class WFDSource(Gtk.Window): |
| @dataclasses.dataclass |
| class Device: |
| props: dict |
| dev_proxy: dbus.Interface |
| props_proxy: dbus.Interface |
| peers: dict |
| sorted_peers: list |
| widget: Gtk.Widget |
| expanded: bool |
| scan_request: bool |
| selected_peer: object |
| connecting_peer: object |
| disconnecting_peer: object |
| connected: list |
| dbus_call: dbus.lowlevel.PendingCall |
| |
| @dataclasses.dataclass |
| class Peer: |
| peer_proxy: dbus.Interface |
| wfd_proxy: dbus.Interface |
| wsc_proxy: dbus.Interface |
| widget: Gtk.Widget |
| rtsp: WFDRTSPServer |
| |
| indent = '\xbb ' |
| |
| def __init__(self): |
| Gtk.Window.__init__(self, type=Gtk.WindowType.TOPLEVEL, title='WFD Source') |
| self.set_decorated(True) |
| self.set_resizable(False) |
| self.connect('destroy', self.on_destroy, "WM destroy") |
| self.set_size_request(900, 300) |
| self.device_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL) |
| leftscroll = Gtk.ScrolledWindow(hscrollbar_policy=Gtk.PolicyType.NEVER) |
| leftscroll.add(self.device_box) |
| self.infopane = Gtk.FlowBox(orientation=Gtk.Orientation.VERTICAL) |
| self.infopane.set_selection_mode(Gtk.SelectionMode.NONE) |
| self.infopane.set_max_children_per_line(20) |
| self.infopane.set_min_children_per_line(3) |
| self.infopane.set_column_spacing(20) |
| self.infopane.set_row_spacing(5) |
| self.infopane.set_valign(Gtk.Align.START) |
| self.infopane.set_halign(Gtk.Align.START) |
| rightscroll = Gtk.ScrolledWindow(vscrollbar_policy=Gtk.PolicyType.NEVER) |
| rightscroll.add(self.infopane) |
| paned = Gtk.Paned(orientation=Gtk.Orientation.HORIZONTAL) |
| paned.pack1(leftscroll, True, True) |
| paned.pack2(rightscroll, False, False) |
| paned.set_wide_handle(True) |
| paned.props.position = 400 |
| paned.props.position_set = True |
| self.add(paned) |
| self.show_all() |
| self.connect('notify::is-active', self.on_notify_is_active) |
| |
| self.rtsp_props = None |
| self.rtsp_init_values = {} |
| self.rtsp_port = 7236 |
| self.devices = None |
| self.objects = {} |
| self.populate_devices() |
| self.dbus = dbus.SystemBus() |
| self.dbus.watch_name_owner('net.connman.iwd', self.on_name_owner_change) |
| self.on_name_owner_change('dummy' if self.dbus.name_has_owner('net.connman.iwd') else '') |
| |
| def on_name_owner_change(self, new_name): |
| if not new_name: |
| if self.devices is None: |
| return True |
| |
| for dev_path in self.devices: |
| device = self.devices[dev_path] |
| if device.connecting_peer or device.disconnecting_peer: |
| device.dbus_call.cancel() |
| |
| for peer_path in device.peers: |
| peer = device.peers[peer_path] |
| if peer.rtsp: |
| peer.rtsp.close() |
| |
| self.devices = None |
| self.objects = {} |
| self.populate_devices() |
| self.dbus.remove_signal_receiver(self.on_properties_changed) |
| self.dbus.remove_signal_receiver(self.on_interfaces_added) |
| self.dbus.remove_signal_receiver(self.on_interfaces_removed) |
| return True |
| |
| if self.devices is not None: |
| return True |
| |
| manager = dbus.Interface(self.dbus.get_object('net.connman.iwd', '/'), 'org.freedesktop.DBus.ObjectManager') |
| |
| self.dbus.add_signal_receiver(self.on_properties_changed, |
| bus_name="net.connman.iwd", |
| dbus_interface="org.freedesktop.DBus.Properties", |
| signal_name="PropertiesChanged", |
| path_keyword="path") |
| self.dbus.add_signal_receiver(self.on_interfaces_added, |
| bus_name="net.connman.iwd", |
| dbus_interface="org.freedesktop.DBus.ObjectManager", |
| signal_name="InterfacesAdded") |
| self.dbus.add_signal_receiver(self.on_interfaces_removed, |
| bus_name="net.connman.iwd", |
| dbus_interface="org.freedesktop.DBus.ObjectManager", |
| signal_name="InterfacesRemoved") |
| |
| self.objects = manager.GetManagedObjects() |
| self.devices = {} |
| |
| for path in self.objects: |
| if DEVICE_IF in self.objects[path]: |
| self.add_dev(path) |
| for path in self.objects: |
| if PEER_IF in self.objects[path]: |
| self.add_peer(path) |
| |
| self.populate_devices() |
| |
| svc_mgr = dbus.Interface(self.dbus.get_object('net.connman.iwd', '/net/connman/iwd'), SVC_MGR_IF) |
| svc_mgr.RegisterDisplayService({ |
| 'Source': True, |
| 'Port': dbus.UInt16(self.rtsp_port) |
| }) |
| |
| return True |
| |
| def add_dev(self, path): |
| obj_proxy = self.dbus.get_object('net.connman.iwd', path) |
| # Default to expanded for first device found |
| expanded = len(self.devices) == 0 |
| self.devices[path] = WFDSource.Device( |
| props=self.objects[path][DEVICE_IF], |
| dev_proxy=dbus.Interface(obj_proxy, DEVICE_IF), |
| props_proxy=dbus.Interface(obj_proxy, 'org.freedesktop.DBus.Properties'), |
| peers={}, |
| sorted_peers=[], |
| widget=None, |
| expanded=expanded, |
| scan_request=False, |
| selected_peer=None, |
| connecting_peer=None, |
| disconnecting_peer=None, |
| connected=[], |
| dbus_call=None) |
| |
| def add_peer(self, path): |
| dev_path = self.objects[path][PEER_IF]['Device'] |
| if dev_path not in self.devices or path in self.devices[dev_path].peers: |
| return False |
| |
| self.devices[dev_path].peers[path] = WFDSource.Peer( |
| peer_proxy=None, |
| wfd_proxy=None, |
| wsc_proxy=None, |
| widget=None, |
| rtsp=None) |
| return True |
| |
| def on_properties_changed(self, interface, changed, invalidated, path): |
| if path not in self.objects: |
| self.objects[path] = {} |
| if interface not in self.objects[path]: |
| self.objects[path][interface] = {} |
| |
| self.objects[path][interface].update(changed) |
| for prop in invalidated: |
| if prop in self.objects[path][interface]: |
| del self.objects[path][interface][prop] |
| |
| if path in self.devices: |
| self.update_dev_props(path) |
| if interface == DEVICE_IF and 'AvailableConnections' in changed: |
| self.update_selected_peer(path) |
| |
| if PEER_IF in self.objects[path]: |
| dev_path = self.objects[path][PEER_IF]['Device'] |
| if dev_path in self.devices: |
| device = self.devices[dev_path] |
| if path in device.peers: |
| peer = device.peers[path] |
| if interface == PEER_IF and 'Connected' in changed: |
| if changed['Connected'] and peer not in device.connected: |
| device.connected.append(peer) |
| elif not changed['Connected'] and peer in device.connected: |
| device.connected.remove(peer) |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| if interface == PEER_IF and peer.rtsp: |
| if 'ConnectedInterface' in changed: |
| peer.rtsp.set_local_interface(changed['ConnectedInterface']) |
| if 'ConnectedIp' in changed: |
| peer.rtsp.set_remote_ip(changed['ConnectedIp']) |
| |
| self.update_peer_props(dev_path, path) |
| |
| return True |
| |
| def on_interfaces_added(self, path, interfaces): |
| if path not in self.objects: |
| self.objects[path] = {} |
| self.objects[path].update(interfaces) |
| |
| if DEVICE_IF in interfaces: |
| self.add_dev(path) |
| # This should happen rarely enough that we can repopulate the whole list |
| self.populate_devices() |
| |
| update_dev_props = False |
| if PEER_IF in interfaces: |
| update_dev_props = self.add_peer(path) |
| |
| if PEER_IF in self.objects[path]: |
| dev_path = self.objects[path][PEER_IF]['Device'] |
| if dev_path in self.devices: |
| if update_dev_props: |
| # Update device's peer count |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| |
| def on_interfaces_removed(self, path, interfaces): |
| if path not in self.objects: |
| return |
| |
| dev_path = None |
| if PEER_IF in interfaces or WFD_IF in interfaces or WSC_IF in interfaces: |
| if PEER_IF in self.objects[path]: |
| dev_path = self.objects[path][PEER_IF]['Device'] |
| |
| for i in interfaces: |
| if i in self.objects[path]: |
| del self.objects[path][i] |
| if len(self.objects[path]) == 0: |
| del self.objects[path] |
| |
| if DEVICE_IF in interfaces and path in self.devices: |
| device = self.devices[path] |
| if device.connecting_peer or device.disconnecting_peer: |
| device.dbus_call.cancel() |
| # TODO: check if connected |
| del self.devices[path] |
| # This should happen rarely enough that we can repopulate the whole list |
| self.populate_devices() |
| |
| if dev_path is not None and dev_path in self.devices: |
| device = self.devices[dev_path] |
| if path in device.peers: |
| # Make sure the widget is removed |
| self.update_peer_props(dev_path, path) |
| if PEER_IF in interfaces: |
| del device.peers[path] |
| # Update device's peer count |
| self.update_dev_props(dev_path) |
| |
| def populate_devices(self): |
| self.device_box.foreach(lambda x, y: self.device_box.remove(x), None) |
| |
| if self.devices is None: |
| label = Gtk.Label(label="Not connected to IWD") |
| self.device_box.pack_start(label, expand=True, fill=True, padding=0) |
| self.device_box.show_all() |
| return |
| |
| if len(self.devices) == 0: |
| label = Gtk.Label(label="No P2P-capable adapters :-(") |
| self.device_box.pack_start(label, expand=True, fill=True, padding=0) |
| self.device_box.show_all() |
| return |
| |
| for path in self.devices: |
| label = Gtk.Label() |
| label.set_halign(Gtk.Align.START) |
| label.set_line_wrap(False) |
| label.set_single_line_mode(False) |
| label.set_ellipsize(Pango.EllipsizeMode.END) |
| switch = Gtk.Switch() |
| switch.connect('state-set', self.on_dev_enabled, path) |
| switch.set_halign(Gtk.Align.END) |
| switch.set_valign(Gtk.Align.START) |
| box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL) |
| box.pack_start(label, expand=True, fill=True, padding=0) |
| box.pack_end(switch, expand=False, fill=False, padding=0) |
| peer_list = Gtk.ListBox() # can also use an IconView.. or make it switchable |
| peer_list.set_size_request(150, 120) |
| peer_list.set_selection_mode(Gtk.SelectionMode.SINGLE) |
| peer_list.set_placeholder(Gtk.Label(label='No Wi-Fi Displays discovered yet...')) |
| peer_list.connect('row-selected', self.on_peer_selected, path) |
| frame = Gtk.Frame() |
| frame.props.margin = 10 |
| frame.add(peer_list) |
| expander = Gtk.Expander() |
| expander.set_label_fill(True) |
| expander.set_expanded(self.devices[path].expanded) |
| expander.set_label_widget(box) |
| expander.add(frame) |
| expander.connect('notify::expanded', self.on_dev_expanded, path) |
| expander.show_all() |
| self.device_box.add(expander) |
| self.devices[path].widget = expander |
| self.update_dev_props(path) |
| GLib.idle_add(self.expander_workaround, expander) |
| |
| for peer_path in self.devices[path].peers: |
| self.update_peer_props(path, peer_path) |
| |
| # Basically implement Gtk.Expander's set_label_fill which for some reason |
| # doesn't do anything. Use size-allocate because configure-event doesn't work either... |
| self.margin_left = None |
| def on_exp_resize(widget, event): |
| if self.margin_left is None: |
| self.margin_left = box.get_allocation().x |
| posx, posy = expander.translate_coordinates(self, 0, 0) |
| # Add posx to force the label widget (box) to be aligned to the left side of the |
| # window even if GTK already decided to push the expander off the left side with a |
| # negative allocation.x. This way it won't push it any further left as the available |
| # space shrinks. |
| box.set_size_request(max(posx + expander.get_allocated_width() - self.margin_left - 1, 0), -1) |
| return False |
| expander.connect('size-allocate', on_exp_resize) |
| |
| def expander_workaround(self, widget): |
| box = widget.get_label_widget() |
| widget.set_label_widget(None) |
| widget.set_label_widget(box) |
| return False |
| |
| def update_dev_props(self, path): |
| device = self.devices[path] |
| if not device.props['Enabled']: |
| state = 'disabled' |
| elif device.disconnecting_peer is not None: |
| state = 'disconnecting...' |
| elif device.connecting_peer is not None: |
| state = 'connecting...' |
| elif len(device.connected) > 0: |
| if all([not peer.rtsp or peer.rtsp.ready for peer in device.connected]): |
| state = 'connected' |
| else: |
| state = 'negotiating...' |
| elif device.scan_request: |
| state = 'discovering... (' + str(len(device.peers)) + ')' |
| else: |
| state = 'idle' |
| |
| label, switch = device.widget.get_label_widget().get_children() |
| dev_str = self.get_dev_string(path) |
| name = str(device.props['Name']) |
| label.set_markup(dev_str + '\n<small>' + ('Local name: ' + name + '\n' if dev_str != name else '') + 'State: ' + state + '</small>') |
| switch.set_state(device.props['Enabled']) |
| |
| def update_peer_props(self, dev_path, path): |
| device = self.devices[dev_path] |
| peer = device.peers[path] |
| props = self.objects[path] if path in self.objects else {} |
| peer_list = device.widget.get_child().get_child() |
| if peer.widget is None: |
| if PEER_IF not in props or WFD_IF not in props or WSC_IF not in props: |
| return |
| if not props[WFD_IF]['Sink']: |
| return |
| |
| name = str(props[PEER_IF]['Name']) |
| device.sorted_peers.append(name) |
| device.sorted_peers.sort() |
| index = device.sorted_peers.index(name) |
| |
| obj_proxy = self.dbus.get_object('net.connman.iwd', path) |
| peer.peer_proxy=dbus.Interface(obj_proxy, PEER_IF) |
| peer.wfd_proxy=dbus.Interface(obj_proxy, WFD_IF) |
| peer.wsc_proxy=dbus.Interface(obj_proxy, WSC_IF) |
| label = Gtk.Label() |
| label.set_halign(Gtk.Align.START) |
| label.set_single_line_mode(True) |
| label.set_ellipsize(Pango.EllipsizeMode.END) |
| event_box = Gtk.EventBox() |
| event_box.add(label) |
| event_box.connect('button-press-event', self.on_peer_click, (dev_path, path)) |
| button = Gtk.Button() |
| button.set_use_stock(True) |
| button.connect('clicked', self.on_peer_button, (dev_path, path)) |
| box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL) |
| box.props.margin = 5; |
| box.pack_start(event_box, expand=True, fill=True, padding=0) |
| box.pack_end(button, expand=False, fill=False, padding=0) |
| peer.widget = Gtk.ListBoxRow() |
| peer.widget.add(box) |
| peer_list.insert(peer.widget, index) |
| peer.widget.show_all() |
| elif (PEER_IF not in props or WFD_IF not in props or WSC_IF not in props or not props[WFD_IF]['Sink']) and peer.widget: |
| tmp = peer.widget |
| peer.widget = None |
| del device.sorted_peers[tmp.get_index()] |
| peer_list.remove(tmp) |
| if peer == device.selected_peer: |
| device.selected_peer = None |
| self.update_info_pane(dev_path, None) |
| if peer == device.connecting_peer: |
| device.dbus_call.cancel() |
| device.connecting_peer = None |
| self.update_selected_peer(dev_path) |
| if peer == device.disconnecting_peer: |
| device.dbus_call.cancel() |
| device.disconnecting_peer = None |
| self.update_selected_peer(dev_path) |
| if peer in device.connected: |
| device.connected.remove(peer) |
| self.update_selected_peer(dev_path) |
| peer.peer_proxy = None |
| peer.wfd_proxy = None |
| peer.wsc_proxy = None |
| if peer.rtsp: |
| peer.rtsp.close() |
| peer.rtsp = None |
| return |
| |
| subcat = 'unknown type' |
| if 'DeviceSubcategory' in props[PEER_IF]: |
| subcat = props[PEER_IF]['DeviceSubcategory'] |
| |
| weight = 'heavy' if peer in device.connected else 'normal' |
| box = peer.widget.get_child() |
| event_box, button = box.get_children() |
| label, = event_box.get_children() |
| label.set_markup('<span weight="' + weight + '">' + props[PEER_IF]['Name'] + '</span> <span foreground="grey" size="small">' + subcat + '</span>') |
| |
| if device.disconnecting_peer or (device.connecting_peer and peer != device.connecting_peer): |
| # This peer's row should not have any buttons |
| button.hide() |
| elif peer == device.connecting_peer: |
| button.set_label('Cancel') |
| button.show() |
| elif peer in device.connected: |
| if not peer.rtsp or peer.rtsp.ready: |
| button.set_label('Disconnect') |
| else: |
| button.set_label('Cancel') |
| button.show() |
| elif peer == device.selected_peer and device.props['AvailableConnections'] > 0: |
| button.set_label('Connect') |
| button.show() |
| else: |
| button.hide() |
| |
| if peer == device.selected_peer: |
| self.update_info_pane(dev_path, path) |
| |
| def update_selected_peer(self, dev_path): |
| device = self.devices[dev_path] |
| if device.selected_peer: |
| sel_path = self.get_peer_path(device, device.selected_peer) |
| self.update_peer_props(dev_path, sel_path) |
| |
| def add_info(self, name, desc, valuewidget): |
| namelabel = Gtk.Label(label=name + ':', xalign=0) |
| box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL) |
| box.pack_start(namelabel, expand=False, fill=False, padding=3) |
| if valuewidget: |
| box.pack_end(valuewidget, expand=False, fill=False, padding=3) |
| if desc: |
| box.set_tooltip_text(desc) |
| self.infopane.add(box) |
| |
| def add_info_str(self, name, value): |
| vlabel = Gtk.Label(xalign=0) |
| vlabel.set_markup('<span weight="bold">' + value + '</span>') |
| self.add_info(name, None, vlabel) |
| |
| def add_info_prop(self, prop): |
| val = prop.getter() |
| if prop.setter is None: |
| if val is None: |
| return |
| if prop.type == bool: |
| vals = prop.vals if prop.vals is not None else ['no', 'yes'] |
| text = vals[val] |
| elif prop.name == 'EDID info': |
| text = WFDSource.edid_to_text(val) |
| if isinstance(text, collections.abc.Sequence): |
| self.add_info(prop.name, prop.desc, None) |
| for name, val in text: |
| if val: |
| v = Gtk.Label(xalign=0) |
| v.set_markup('<span weight="bold">' + str(val) + '</span>') |
| else: |
| v = None |
| self.add_info(self.indent + name, prop.desc, v) |
| return |
| else: |
| text = str(val) |
| v = Gtk.Label(xalign=0) |
| v.set_markup('<span weight="bold">' + text + '</span>') |
| elif val is None: |
| return |
| elif prop.type == bool: |
| v = Gtk.Switch() |
| v.set_active(val) |
| v.connect('state-set', lambda switch, state: prop.setter(state)) |
| elif prop.type == int: |
| v = Gtk.SpinButton.new_with_range(min=prop.vals[0], max=prop.vals[1], step=prop.vals[2] if len(prop.vals) > 2 else 1) |
| v.set_value(val) |
| v.connect('value-changed', lambda sb: prop.setter(int(sb.get_value()))) |
| elif prop.type == str: |
| if prop.vals: |
| v = Gtk.ComboBoxText() |
| for option in prop.vals: |
| v.append(option, option) |
| v.set_active_id(val) |
| v.connect('changed', lambda entry: prop.setter(entry.get_active_text())) |
| else: |
| v = Gtk.Entry(text=val) |
| v.connect('changed', lambda entry: prop.setter(entry.get_text())) |
| self.add_info(prop.name, prop.desc, v) |
| |
| def update_info_pane(self, dev_path, path): |
| self.infopane.foreach(lambda x, y: self.infopane.remove(x), None) |
| |
| if path is None: |
| return |
| |
| device = self.devices[dev_path] |
| peer = device.peers[path] |
| |
| if peer == device.connecting_peer: |
| state = 'IWD connecting' |
| elif peer == device.disconnecting_peer: |
| state = 'disconnecting' |
| elif peer in device.connected: |
| if peer.rtsp is not None: |
| if peer.rtsp.ready: |
| state = peer.rtsp.state |
| else: |
| state = 'RTSP negotiation: ' + peer.rtsp.state |
| else: |
| state = 'connected' |
| else: |
| state = 'not connected' |
| self.add_info_str('Connection state', state) |
| |
| subcat = 'unknown' |
| if 'DeviceSubcategory' in self.objects[path][PEER_IF]: |
| subcat = self.objects[path][PEER_IF]['DeviceSubcategory'] |
| self.add_info_str('Peer category', self.objects[path][PEER_IF]['DeviceCategory']) |
| self.add_info_str('Peer subcategory', subcat) |
| |
| if WFD_IF in self.objects[path]: |
| if self.objects[path][WFD_IF]['Source']: |
| if self.objects[path][WFD_IF]['Sink']: |
| t = 'dual-role' |
| else: |
| t = 'source' |
| else: |
| t = 'sink' |
| self.add_info_str('Peer WFD type', t) |
| |
| if self.objects[path][WFD_IF]['Sink']: |
| self.add_info_str('Peer audio support', 'yes' if self.objects[path][WFD_IF]['HasAudio'] else 'no') |
| |
| self.add_info_str('Peer UIBC support', 'yes' if self.objects[path][WFD_IF]['HasUIBC'] else 'no') |
| |
| self.add_info_str('Peer content protection', 'yes' if self.objects[path][WFD_IF]['HasContentProtection'] else 'no') |
| |
| if peer.rtsp is not None and peer.rtsp.ready: |
| def force_keyframe(widget): |
| peer.rtsp.force_keyframe() |
| return True |
| def reset_stream(widget): |
| peer.rtsp.reset_stream() |
| return True |
| # The idea for these buttons is to make sure any parameter changes get fully applied |
| button1 = Gtk.Button() |
| button1.set_label('Force keyframe') |
| button1.connect('clicked', force_keyframe) |
| button2 = Gtk.Button() |
| button2.set_label('Reset stream') |
| button2.connect('clicked', reset_stream) |
| box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL) |
| box.pack_start(button1, expand=False, fill=False, padding=3) |
| box.pack_start(button2, expand=False, fill=False, padding=3) |
| self.infopane.add(box) |
| |
| if self.rtsp_props is None: |
| self.rtsp_props, self.rtsp_init_values = WFDRTSPServer.get_init_props() |
| |
| if peer.rtsp is not None: |
| props = peer.rtsp.props |
| else: |
| props = self.rtsp_props |
| |
| for prop in props: |
| self.add_info_prop(prop) |
| |
| self.infopane.show_all() |
| |
| # Direct method calls on dbus.Interface's don't return dbus.lowlevel.PendingCall objects so |
| # we have to use bus.call_async to make cancellable async calls |
| def async_call(self, proxy, method, signature='', *args, **kwargs): |
| return self.dbus.call_async(proxy.bus_name, proxy.object_path, proxy.dbus_interface, method, signature, args, **kwargs) |
| |
| def connect_peer(self, dev_path, path): |
| device = self.devices[dev_path] |
| peer = device.peers[path] |
| |
| def on_reply(): |
| device.connected.append(peer) |
| device.connecting_peer = None |
| # Local interface and remote IP get set in the PropertiesChanged handler |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| def on_error(excp): |
| device.connecting_peer = None |
| if peer.rtsp: |
| peer.rtsp.close() |
| peer.rtsp = None |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| dialog = Gtk.MessageDialog(parent=self, message_type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK, text='Connection failed') |
| dialog.format_secondary_text('Connection to ' + self.objects[path][PEER_IF]['Name'] + ' failed: ' + repr(excp)) |
| dialog.show() |
| |
| def on_ok(response, *args): |
| dialog.destroy() |
| |
| dialog.connect('response', on_ok) |
| |
| def on_rtsp_state(): |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| def on_rtsp_error(excp): |
| self.disconnect_peer(dev_path, path) |
| tb = '' |
| try: |
| tb = '\n\nDebug info: ' + traceback.format_exc() |
| except: |
| pass |
| dialog = Gtk.MessageDialog(parent=self, message_type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK, text='Negotiation failed') |
| dialog.format_secondary_text('RTSP error when talking to ' + self.objects[path][PEER_IF]['Name'] + ': ' + repr(excp) + tb) |
| dialog.show() |
| |
| def on_ok(response, *args): |
| dialog.destroy() |
| |
| dialog.connect('response', on_ok) |
| |
| def on_rtsp_props_changed(): |
| # Should also check if the infopane is currently showing a selected peer on another device... |
| if peer == device.selected_peer: |
| self.update_info_pane(dev_path, path) |
| |
| # Cannot use peer.wsc_proxy.PushButton() |
| device.dbus_call = self.async_call(peer.wsc_proxy, 'PushButton', reply_handler=on_reply, error_handler=on_error, timeout=120) |
| device.connecting_peer = peer |
| # Create the RTSP server now so it's ready as soon as the P2P connection succeeds even if |
| # we haven't received the DBus reply yet |
| peer.rtsp = WFDRTSPServer(self.rtsp_port, on_rtsp_state, on_rtsp_error, self.rtsp_init_values, on_rtsp_props_changed) |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| def disconnect_peer(self, dev_path, path): |
| device = self.devices[dev_path] |
| peer = device.peers[path] |
| |
| def on_reply(): |
| device.disconnecting_peer = None |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| def on_error(excp): |
| device.disconnecting_peer = None |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| if isinstance(excp, dbus.exceptions.DBusException) and excp.get_dbus_name() == 'net.connman.iwd.NotConnected': |
| return |
| |
| dialog = Gtk.MessageDialog(parent=self, message_type=Gtk.MessageType.ERROR, buttons=Gtk.ButtonsType.OK, text='Disconnecting failed') |
| dialog.format_secondary_text('Disconnecting from ' + self.objects[path][PEER_IF]['Name'] + ' failed: ' + repr(excp)) |
| dialog.show() |
| |
| def on_ok(response, *args): |
| dialog.destroy() |
| |
| dialog.connect('response', on_ok) |
| |
| if peer == device.connecting_peer: |
| device.dbus_call.cancel() |
| device.connecting_peer = None |
| |
| if peer in device.connected: |
| device.connected.remove(peer) |
| |
| if peer.rtsp: |
| peer.rtsp.close() |
| peer.rtsp = None |
| |
| device.dbus_call = self.async_call(peer.peer_proxy, 'Disconnect', reply_handler=on_reply, error_handler=on_error) |
| device.disconnecting_peer = peer |
| self.update_dev_props(dev_path) |
| self.update_peer_props(dev_path, path) |
| if peer != device.selected_peer: |
| self.update_selected_peer(dev_path) |
| |
| def on_peer_click(self, widget, event, data): |
| if event.button != 1 or event.type != Gdk.EventType._2BUTTON_PRESS: |
| return False |
| dev_path, path = data |
| device = self.devices[dev_path] |
| if device.disconnecting_peer: |
| return True |
| if device.connecting_peer or not device.props['AvailableConnections']: |
| # Should we auto-disconnect from the connected peer? Show an "Are you sure?" dialog? |
| return True |
| self.connect_peer(dev_path, path) |
| return True |
| |
| def on_peer_button(self, widget, data): |
| dev_path, path = data |
| action = widget.get_label() |
| device = self.devices[dev_path] |
| if device.disconnecting_peer: |
| return True |
| if action == 'Connect': |
| self.connect_peer(dev_path, path) |
| elif action in ['Disconnect', 'Cancel']: |
| self.disconnect_peer(dev_path, path) |
| return True |
| |
| def get_peer_path(self, device, peer): |
| for path in device.peers: |
| if device.peers[path] == device.selected_peer: |
| return path |
| return None |
| |
| def on_peer_selected(self, widget, row, dev_path): |
| device = self.devices[dev_path] |
| |
| if device.selected_peer is not None: |
| if device.selected_peer.widget == row: |
| return True |
| |
| path = self.get_peer_path(device, device.selected_peer) |
| device.selected_peer = None |
| self.update_peer_props(dev_path, path) |
| self.update_info_pane(dev_path, None) |
| |
| if row is None: |
| return True |
| |
| for path in device.peers: |
| if device.peers[path].widget == row: |
| device.selected_peer = device.peers[path] |
| self.update_peer_props(dev_path, path) |
| return True |
| |
| def update_dev_scan_request(self, path): |
| device = self.devices[path] |
| should_request = device.expanded and self.is_active() |
| if device.scan_request == should_request: |
| return |
| |
| device.scan_request = should_request |
| if device.scan_request: |
| device.dev_proxy.RequestDiscovery() |
| else: |
| device.dev_proxy.ReleaseDiscovery() |
| self.update_dev_props(path) |
| |
| def on_notify_is_active(self, window, value): |
| if self.devices is None: |
| return True |
| |
| for path in self.devices: |
| self.update_dev_scan_request(path) |
| return True |
| |
| def on_dev_enabled(self, switch, state, path): |
| device = self.devices[path] |
| if device.props['Enabled'] == state: |
| return |
| device.props_proxy.Set(DEVICE_IF, 'Enabled', state) |
| return True |
| |
| def on_dev_expanded(self, expander, value, path): |
| device = self.devices[path] |
| device.expanded = expander.get_expanded() |
| self.update_dev_scan_request(path) |
| return True |
| |
| def get_dev_string(self, path): |
| wiphy = self.objects[path][WIPHY_IF] |
| if 'Model' in wiphy: |
| return wiphy['Model'] |
| if 'Vendor' in wiphy: |
| return wiphy['Vendor'] |
| return wiphy['Name'] |
| |
| def on_destroy(self, widget, data): |
| global mainloop |
| if self.devices is not None: |
| svc_mgr = dbus.Interface(self.dbus.get_object('net.connman.iwd', '/net/connman/iwd'), SVC_MGR_IF) |
| svc_mgr.UnregisterDisplayService() |
| self.on_name_owner_change('') |
| mainloop.quit() |
| return False |
| |
| @staticmethod |
| def edid_to_text(edid): |
| if edid is None: |
| return 'unavailable' |
| if len(edid) < 128: |
| return 'invalid (too short)' |
| if edid[0:8] != b'\0\xff\xff\xff\xff\xff\xff\0': |
| return 'invalid (bad magic)' |
| if sum(edid[0:128]) & 255 != 0: |
| return 'invalid (bad checksum)' |
| |
| header = edid[0:20] |
| manf_id = (header[8] << 8) + header[9] |
| text = [('Header', '')] |
| text.append((WFDSource.indent + 'Version', str(header[18]) + '.' + str(header[19]))) |
| text.append((WFDSource.indent + 'Manufacturer ID', chr(64 + ((manf_id >> 10) & 31)) + chr(64 + ((manf_id >> 5) & 31)) + chr(64 + ((manf_id >> 0) & 31)))) |
| text.append((WFDSource.indent + 'Product code', hex((header[11] << 8) + header[10]))) |
| text.append((WFDSource.indent + 'Serial', hex((header[15] << 24) +(header[14] << 16) + (header[13] << 8) + header[12]))) |
| text.append((WFDSource.indent + 'Manufactured', str(1990 + header[17]) + ' week ' + str(header[16]))) |
| |
| basic_params = edid[20:25] |
| text.append(('Basic parameters', '')) |
| if basic_params[0] & 0x80: |
| intf_table = { |
| 2: 'HDMIa', |
| 3: 'HDMIb', |
| 4: 'MDDI', |
| 5: 'DisplayPort' |
| } |
| dt_table = { |
| 0: 'RGB 4:4:4', |
| 1: 'RGB 4:4:4 + YCrCb 4:4:4', |
| 2: 'RGB 4:4:4 + YCrCb 4:2:2', |
| 3: 'RGB 4:4:4 + YCrCb 4:4:4 + YCrCb 4:2:2' |
| } |
| bpp = (basic_params[0] >> 4) & 7 |
| intf = (basic_params[0] >> 0) & 7 |
| |
| text.append((WFDSource.indent + 'Video input type', 'digital')) |
| text.append((WFDSource.indent + 'Bit depth', 'undefined' if bpp in [0, 7] else str(4 + bpp * 2))) |
| text.append((WFDSource.indent + 'Interface', 'undefined' if intf not in intf_table else intf_table[intf])) |
| else: |
| level_table = { |
| 0: '+0.7 / -0.3 V', |
| 1: '+0.714 / -0.286 V', |
| 2: '+1.0 / -0.4 V', |
| 3: '+0.7 / 0 V' |
| } |
| dt_table = { |
| 0: 'monochrome/grayscale', |
| 1: 'RGB color', |
| 2: 'non-RGB color', |
| 3: 'undefined' |
| } |
| text.append((WFDSource.indent + 'Video input type', 'analog')) |
| text.append((WFDSource.indent + 'Video white/sync level', level_table[(basic_parmas[0] >> 5) & 3])) |
| |
| if basic_params[1] and basic_params[2]: |
| text.append((WFDSource.indent + 'Screen width', str(basic_params[1]) + ' cm')) |
| text.append((WFDSource.indent + 'Screen height', str(basic_params[2]) + ' cm')) |
| elif basic_params[2] == 0: |
| text.append((WFDSource.indent + 'Landscape aspect ratio', str((basic_params[1] + 99) * 0.01))) |
| else: |
| text.append((WFDSource.indent + 'Portrait aspect ratio', str(100.0 / (basic_params[2] + 99)))) |
| |
| text.append((WFDSource.indent + 'Gamma', str((basic_params[3] + 100) * 0.01))) |
| text.append((WFDSource.indent + 'DPMS Standby', 'supported' if (basic_params[4] >> 7) & 1 else 'unsupported')) |
| text.append((WFDSource.indent + 'DPMS Suspend', 'supported' if (basic_params[4] >> 6) & 1 else 'unsupported')) |
| text.append((WFDSource.indent + 'DPMS Active-off', 'supported' if (basic_params[4] >> 5) & 1 else 'unsupported')) |
| text.append((WFDSource.indent + 'Color type', dt_table[(basic_params[4] >> 3) & 3])) |
| text.append((WFDSource.indent + 'sRGB color space', 'yes' if (basic_params[4] >> 2) & 1 else 'no')) |
| text.append((WFDSource.indent + 'Continuous timings', 'yes' if (basic_params[4] >> 0) & 1 else 'no')) |
| |
| # TODO: timing information and extensions |
| return text |
| |
| dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) |
| Gst.init(None) |
| WFDSource() |
| mainloop = GLib.MainLoop() |
| mainloop.run() |
