Mercurial > libervia-web

annotate libervia/web/pages/calls/_browser/webrtc.py @ 1562:4afafce0c4c9

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browser (calls): correctly display avatar and entity in status on incoming call
author Goffi <goffi@goffi.org>
date Thu, 17 Aug 2023 14:59:01 +0200
parents 7dbb131bbb9e
children e3449beac8d8
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1 import json
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2 import re
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3
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4 from bridge import AsyncBridge as Bridge
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5 from browser import aio, console as log, document, timer, window
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6 import dialog
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7 import errors
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8 from javascript import JSObject
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9 import jid
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10
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11 log.warning = log.warn
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12 profile = window.profile or ""
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13 bridge = Bridge()
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14 GATHER_TIMEOUT = 10000
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15
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16
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17 class WebRTC:
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18 def __init__(self):
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19 self.reset_instance()
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20 bridge.register_signal("ice_candidates_new", self._on_ice_candidates_new)
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21 bridge.register_signal("ice_restart", self._on_ice_restart)
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22 self.on_connection_established_cb = None
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23 self.on_reconnect_cb = None
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24 self.on_connection_lost_cb = None
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25 self.is_audio_muted = None
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26 self.is_video_muted = None
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27 self._is_sharing_screen = False
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28 self.screen_sharing_cb = None
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29 self.local_video_elt = document["local_video"]
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30 self.remote_video_elt = document["remote_video"]
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31
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32 @property
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33 def is_sharing_screen(self) -> bool:
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34 return self._is_sharing_screen
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35
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36 @is_sharing_screen.setter
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37 def is_sharing_screen(self, sharing: bool) -> None:
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38 if sharing != self._is_sharing_screen:
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39 self._is_sharing_screen = sharing
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40 if self.screen_sharing_cb is not None:
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41 self.screen_sharing_cb(sharing)
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42
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43 def reset_instance(self):
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44 """Inits or resets the instance variables to their default state."""
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45 self._peer_connection = None
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46 self._media_types = None
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47 self._media_types_inv = None
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48 self._callee = None
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49 self.sid = None
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50 self.local_candidates = None
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51 self.remote_stream = None
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52 self.candidates_buffer = {
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53 "audio": {"candidates": []},
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54 "video": {"candidates": []},
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55 }
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56 self.media_candidates = {}
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57 self.candidates_gathered = aio.Future()
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58
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59 @property
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60 def media_types(self):
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61 if self._media_types is None:
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62 raise Exception("self._media_types should not be None!")
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63 return self._media_types
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64
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65 @media_types.setter
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66 def media_types(self, new_media_types: dict) -> None:
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67 self._media_types = new_media_types
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68 self._media_types_inv = {v: k for k, v in new_media_types.items()}
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69
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70 @property
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71 def media_types_inv(self) -> dict:
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72 if self._media_types_inv is None:
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73 raise Exception("self._media_types_inv should not be None!")
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74 return self._media_types_inv
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75
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76 def get_sdp_mline_index(self, media_type):
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77 """Gets the sdpMLineIndex for a given media type.
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78
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79 @param media_type: The type of the media.
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80 """
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81 for index, m_type in self.media_types.items():
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82 if m_type == media_type:
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83 return index
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84 raise ValueError(f"Media type '{media_type}' not found")
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85
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86 def extract_pwd_ufrag(self, sdp):
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87 """Retrieves ICE password and user fragment for SDP offer.
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88
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89 @param sdp: The Session Description Protocol offer string.
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90 """
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91 ufrag_line = re.search(r"ice-ufrag:(\S+)", sdp)
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92 pwd_line = re.search(r"ice-pwd:(\S+)", sdp)
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93
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94 if ufrag_line and pwd_line:
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95 return ufrag_line.group(1), pwd_line.group(1)
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96 else:
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97 log.error(f"SDP with missing ice-ufrag or ice-pwd:\n{sdp}")
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98 raise ValueError("Can't extract ice-ufrag and ice-pwd from SDP")
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99
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100 def extract_fingerprint_data(self, sdp):
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101 """Retrieves fingerprint data from an SDP offer.
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102
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103 @param sdp: The Session Description Protocol offer string.
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104 @return: A dictionary containing the fingerprint data.
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105 """
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106 fingerprint_line = re.search(r"a=fingerprint:(\S+)\s+(\S+)", sdp)
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107 if fingerprint_line:
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108 algorithm, fingerprint = fingerprint_line.groups()
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109 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
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110
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111 setup_line = re.search(r"a=setup:(\S+)", sdp)
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112 if setup_line:
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113 setup = setup_line.group(1)
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114 fingerprint_data["setup"] = setup
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115
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116 return fingerprint_data
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117 else:
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118 raise ValueError("fingerprint should not be missing")
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119
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120 def parse_ice_candidate(self, candidate_string):
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121 """Parses the ice candidate string.
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122
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123 @param candidate_string: The ice candidate string to be parsed.
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124 """
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125 pattern = re.compile(
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126 r"candidate:(?P<foundation>\S+) (?P<component_id>\d+) (?P<transport>\S+) "
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127 r"(?P<priority>\d+) (?P<address>\S+) (?P<port>\d+) typ "
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128 r"(?P<type>\S+)(?: raddr (?P<rel_addr>\S+) rport "
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129 r"(?P<rel_port>\d+))?(?: generation (?P<generation>\d+))?"
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130 )
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131 match = pattern.match(candidate_string)
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132 if match:
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133 candidate_dict = match.groupdict()
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134
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135 # Apply the correct types to the dictionary values
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136 candidate_dict["component_id"] = int(candidate_dict["component_id"])
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137 candidate_dict["priority"] = int(candidate_dict["priority"])
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138 candidate_dict["port"] = int(candidate_dict["port"])
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139
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140 if candidate_dict["rel_port"]:
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141 candidate_dict["rel_port"] = int(candidate_dict["rel_port"])
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142
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143 if candidate_dict["generation"]:
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144 candidate_dict["generation"] = candidate_dict["generation"]
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145
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146 # Remove None values
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147 return {k: v for k, v in candidate_dict.items() if v is not None}
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148 else:
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149 log.warning(f"can't parse candidate: {candidate_string!r}")
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150 return None
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151
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152 def build_ice_candidate(self, parsed_candidate):
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153 """Builds ICE candidate
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154
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155 @param parsed_candidate: Dictionary containing parsed ICE candidate
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156 """
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157 base_format = (
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158 "candidate:{foundation} {component_id} {transport} {priority} "
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159 "{address} {port} typ {type}"
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160 )
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161
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162 if parsed_candidate.get("rel_addr") and parsed_candidate.get("rel_port"):
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163 base_format += " raddr {rel_addr} rport {rel_port}"
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164
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165 if parsed_candidate.get("generation"):
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166 base_format += " generation {generation}"
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167
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168 return base_format.format(**parsed_candidate)
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169
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170 def on_ice_candidate(self, event):
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171 """Handles ICE candidate event
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172
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173 @param event: Event containing the ICE candidate
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174 """
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175 log.debug(f"on ice candidate {event.candidate=}")
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176 if event.candidate and event.candidate.candidate:
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177 window.last_event = event
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178 parsed_candidate = self.parse_ice_candidate(event.candidate.candidate)
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179 if parsed_candidate is None:
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180 return
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181 try:
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182 media_type = self.media_types[event.candidate.sdpMLineIndex]
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183 except (TypeError, IndexError):
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184 log.error(
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185 f"Can't find media type.\n{event.candidate=}\n{self._media_types=}"
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186 )
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187 return
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188 self.media_candidates.setdefault(media_type, []).append(parsed_candidate)
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189 log.debug(f"ICE candidate [{media_type}]: {event.candidate.candidate}")
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190 else:
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191 log.debug("All ICE candidates gathered")
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192
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193 def on_ice_connection_state_change(self, event):
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194 """Log ICE connection change, mainly used for debugging"""
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195 state = self._peer_connection.iceConnectionState
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196 log.info(f"ICE Connection State changed to: {state}")
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197
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198 if state == "connected":
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199 if self.on_connection_established_cb is not None:
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200 self.on_connection_established_cb()
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201 elif state == "failed":
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202 log.error("ICE connection failed. Check network connectivity and ICE configurations.")
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203 elif state == "disconnected":
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204 log.warning("ICE connection was disconnected.")
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205 if self.on_connection_lost_cb is not None:
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206 self.on_connection_lost_cb()
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207
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208 def on_ice_candidate_error(self, event):
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209 """Log ICE error, useful for debugging"""
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210 log.error(f"ICE Candidate Error: {event.errorText} (Code: {event.errorCode})")
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211 log.debug(
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212 f"URL: {event.url}, Host candidate: {event.hostCandidate}, Port: {event.port}"
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213 )
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214
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215 def _set_media_types(self, offer):
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216 """Sets media types from offer SDP
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217
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218 @param offer: RTC session description containing the offer
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219 """
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220 sdp_lines = offer.sdp.splitlines()
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221 media_types = {}
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222 mline_index = 0
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223
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224 for line in sdp_lines:
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225 if line.startswith("m="):
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226 media_types[mline_index] = line[2 : line.find(" ")]
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227 mline_index += 1
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228
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229 self.media_types = media_types
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230
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231 def on_ice_gathering_state_change(self, event):
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232 """Handles ICE gathering state change
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233
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234 @param event: Event containing the ICE gathering state change
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235 """
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236 connection = event.target
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237 log.debug(f"on_ice_gathering_state_change {connection.iceGatheringState=}")
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238 if connection.iceGatheringState == "complete":
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239 log.info("ICE candidates gathering done")
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240 self.candidates_gathered.set_result(None)
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241
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242 async def _create_peer_connection(
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243 self,
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244 ):
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245 """Creates peer connection"""
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246 if self._peer_connection is not None:
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247 raise Exception("create_peer_connection can't be called twice!")
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248
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249 external_disco = json.loads(await bridge.external_disco_get(""))
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250 ice_servers = []
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251
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252 for server in external_disco:
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253 ice_server = {}
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254 if server["type"] == "stun":
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255 ice_server["urls"] = f"stun:{server['host']}:{server['port']}"
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256 elif server["type"] == "turn":
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257 ice_server[
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258 "urls"
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259 ] = f"turn:{server['host']}:{server['port']}?transport={server['transport']}"
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260 ice_server["username"] = server["username"]
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261 ice_server["credential"] = server["password"]
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262 ice_servers.append(ice_server)
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263
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264 rtc_configuration = {"iceServers": ice_servers}
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265
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266 peer_connection = window.RTCPeerConnection.new(rtc_configuration)
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267 peer_connection.addEventListener("track", self.on_track)
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268 peer_connection.addEventListener("negotiationneeded", self.on_negotiation_needed)
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269 peer_connection.addEventListener(
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270 "iceconnectionstatechange",
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271 self.on_ice_connection_state_change
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272 )
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273 peer_connection.addEventListener("icecandidate", self.on_ice_candidate)
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274 peer_connection.addEventListener("icecandidateerror", self.on_ice_candidate_error)
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275 peer_connection.addEventListener(
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276 "icegatheringstatechange", self.on_ice_gathering_state_change
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277 )
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278
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279 self._peer_connection = peer_connection
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280 window.pc = self._peer_connection
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281
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282 async def _get_user_media(self, audio: bool = True, video: bool = True) -> None:
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283 """
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284 Gets user media (camera and microphone).
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285
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286 @param audio: True if an audio flux is required.
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287 @param video: True if a video flux is required.
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288 """
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289 media_constraints = {"audio": audio, "video": video}
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290 local_stream = await window.navigator.mediaDevices.getUserMedia(media_constraints)
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291
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292 if not local_stream:
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293 log.error("Failed to get the media stream.")
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294 return
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295
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296 self.local_video_elt.srcObject = local_stream
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297
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298 for track in local_stream.getTracks():
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299 self._peer_connection.addTrack(track)
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300
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301 async def _replace_user_video(
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302 self,
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303 screen: bool = False,
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304 ) -> JSObject | None:
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305 """Replaces the user video track with either a camera or desktop sharing track.
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306
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307 @param screen: True if desktop sharing is required. False will use the camera.
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308 @return: The local media stream or None if failed.
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309 """
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310 if screen:
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311 media_constraints = {"video": {"cursor": "always"}}
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312 new_stream = await window.navigator.mediaDevices.getDisplayMedia(
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313 media_constraints
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314 )
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315 else:
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316 if self.local_video_elt.srcObject:
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317 for track in self.local_video_elt.srcObject.getTracks():
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318 if track.kind == "video":
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319 track.stop()
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320 media_constraints = {"video": True}
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321 new_stream = await window.navigator.mediaDevices.getUserMedia(
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322 media_constraints
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323 )
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324
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325 if not new_stream:
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326 log.error("Failed to get the media stream.")
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327 return None
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328
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329 new_video_tracks = [
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330 track for track in new_stream.getTracks() if track.kind == "video"
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331 ]
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332
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333 if not new_video_tracks:
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334 log.error("Failed to retrieve the video track from the new stream.")
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335 return None
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336
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337 # Retrieve the current local stream's video track.
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338 local_stream = self.local_video_elt.srcObject
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339 if local_stream:
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340 local_video_tracks = [
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341 track for track in local_stream.getTracks() if track.kind == "video"
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342 ]
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343 if local_video_tracks:
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344 # Remove the old video track and add the new one to the local stream.
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345 local_stream.removeTrack(local_video_tracks[0])
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346 local_stream.addTrack(new_video_tracks[0])
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347
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348 video_sender = next(
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349 (
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350 sender
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351 for sender in self._peer_connection.getSenders()
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352 if sender.track and sender.track.kind == "video"
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353 ),
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354 None,
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355 )
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356 if video_sender:
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357 await video_sender.replaceTrack(new_video_tracks[0])
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358
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diff changeset
359 if screen:
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360 # For screen sharing, we track the end event to properly stop the sharing when
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361 # the user clicks on the browser's stop sharing dialog.
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362 def on_track_ended(event):
83c2a6faa2ae browser (calls): screen sharing implementation:
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363 aio.run(self.toggle_screen_sharing())
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diff changeset
364
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365 new_video_tracks[0].bind("ended", on_track_ended)
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366
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367 self.is_sharing_screen = screen
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diff changeset
368
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369 return local_stream
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diff changeset
370
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371 async def _gather_ice_candidates(self, is_initiator: bool, remote_candidates=None):
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372 """Get ICE candidates and wait to have them all before returning them
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diff changeset
373
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374 @param is_initiator: Boolean indicating if the user is the initiator of the connection
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375 @param remote_candidates: Remote ICE candidates, if any
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diff changeset
376 """
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377 if self._peer_connection is None:
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diff changeset
378 raise Exception(
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379 "The peer connection must be created before gathering ICE candidates!"
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diff changeset
380 )
1517
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381
b8ed9726525b browser: "calls" implementation, first draft:
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diff changeset
382 self.media_candidates.clear()
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diff changeset
383 gather_timeout = timer.set_timeout(
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diff changeset
384 lambda: self.candidates_gathered.set_exception(
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diff changeset
385 errors.TimeoutError("ICE gathering time out")
b8ed9726525b browser: "calls" implementation, first draft:
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diff changeset
386 ),
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387 GATHER_TIMEOUT,
1517
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diff changeset
388 )
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
389
b8ed9726525b browser: "calls" implementation, first draft:
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diff changeset
390 if is_initiator:
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diff changeset
391 offer = await self._peer_connection.createOffer()
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diff changeset
392 self._set_media_types(offer)
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diff changeset
393 await self._peer_connection.setLocalDescription(offer)
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parents:
diff changeset
394 else:
b8ed9726525b browser: "calls" implementation, first draft:
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diff changeset
395 answer = await self._peer_connection.createAnswer()
b8ed9726525b browser: "calls" implementation, first draft:
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diff changeset
396 self._set_media_types(answer)
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diff changeset
397 await self._peer_connection.setLocalDescription(answer)
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parents:
diff changeset
398
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
399 if not is_initiator:
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diff changeset
400 log.debug(self._peer_connection.localDescription.sdp)
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diff changeset
401 await self.candidates_gathered
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diff changeset
402 log.debug(self._peer_connection.localDescription.sdp)
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diff changeset
403 timer.clear_timeout(gather_timeout)
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
404 ufrag, pwd = self.extract_pwd_ufrag(self._peer_connection.localDescription.sdp)
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parents:
diff changeset
405 return {
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
406 "ufrag": ufrag,
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
407 "pwd": pwd,
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
408 "candidates": self.media_candidates,
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
409 }
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
410
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
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parents: 1518
diff changeset
411 async def accept_call(self, session_id: str, sdp: str, profile: str) -> None:
1517
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
412 """Call has been accepted, connection can be established
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
413
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
414 @param session_id: Session identifier
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
415 @param sdp: Session Description Protocol data
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parents:
diff changeset
416 @param profile: Profile associated
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
417 """
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
418 await self._peer_connection.setRemoteDescription({"type": "answer", "sdp": sdp})
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
419 await self.on_ice_candidates_new(self.candidates_buffer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
420 self.candidates_buffer.clear()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
421
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
422 def _on_ice_candidates_new(self, sid: str, candidates_s: str, profile: str) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
423 """Called when new ICE candidates are received
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
424
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
425 @param sid: Session identifier
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
426 @param candidates_s: ICE candidates serialized
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
427 @param profile: Profile associated with the action
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
428 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
429 if sid != self.sid:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
430 log.debug(f"ignoring peer ice candidates for {sid=} ({self.sid=}).")
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
431 return
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
432 candidates = json.loads(candidates_s)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
433 aio.run(self.on_ice_candidates_new(candidates))
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
434
1559
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
435 def _on_ice_restart(self, sid: str, side: str, profile: str):
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
436 if sid != self.sid:
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
437 log.debug(f"ignoring peer ice candidates for {sid=} ({self.sid=}).")
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
438 return
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
439 log.debug("ICE has been restarted")
1561
7dbb131bbb9e browser (calls): update status on various events (connection established, connection lost, etc.)
Goffi <goffi@goffi.org>
parents: 1559
diff changeset
440 if self.on_reconnect_cb is not None:
7dbb131bbb9e browser (calls): update status on various events (connection established, connection lost, etc.)
Goffi <goffi@goffi.org>
parents: 1559
diff changeset
441 self.on_reconnect_cb()
1559
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
442
1517
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
diff changeset
443 async def on_ice_candidates_new(self, candidates: dict) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
444 """Called when new ICE canidates are received from peer
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
445
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
446 @param candidates: Dictionary containing new ICE candidates
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
447 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
448 log.debug(f"new peer candidates received: {candidates}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
449 if (
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
450 self._peer_connection is None
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
451 or self._peer_connection.remoteDescription is None
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
452 ):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
453 for media_type in ("audio", "video"):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
454 media_candidates = candidates.get(media_type)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
455 if media_candidates:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
456 buffer = self.candidates_buffer[media_type]
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
457 buffer["candidates"].extend(media_candidates["candidates"])
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
458 return
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
459 for media_type, ice_data in candidates.items():
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
460 for candidate in ice_data["candidates"]:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
461 candidate_sdp = self.build_ice_candidate(candidate)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
462 try:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
463 sdp_mline_index = self.get_sdp_mline_index(media_type)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
464 except Exception as e:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
465 log.warning(e)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
466 continue
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
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parents: 1549
diff changeset
467 ice_candidate = window.RTCIceCandidate.new(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
468 {"candidate": candidate_sdp, "sdpMLineIndex": sdp_mline_index}
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
469 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
470 await self._peer_connection.addIceCandidate(ice_candidate)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
471
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
472 def on_track(self, event):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
473 """New track has been received from peer
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
474
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
475 @param event: Event associated with the new track
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
476 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
477 if event.streams and event.streams[0]:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
478 remote_stream = event.streams[0]
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
479 self.remote_video_elt.srcObject = remote_stream
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
480 else:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
481 if self.remote_stream is None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
482 self.remote_stream = window.MediaStream.new()
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
483 self.remote_video_elt.srcObject = self.remote_stream
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
484 self.remote_stream.addTrack(event.track)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
485
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
486 def on_negotiation_needed(self, event) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
487 log.debug(f"on_negotiation_needed {event=}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
488 # TODO
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
489
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
490 async def answer_call(self, sid: str, offer_sdp: str, profile: str):
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
491 """We respond to the call"""
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
492 log.debug("answering call")
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
493 if sid != self.sid:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
494 raise Exception(f"Internal Error: unexpected sid: {sid=} {self.sid=}")
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 await self._create_peer_connection()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
496
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
497 await self._peer_connection.setRemoteDescription(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
498 {"type": "offer", "sdp": offer_sdp}
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
499 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
500 await self.on_ice_candidates_new(self.candidates_buffer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
501 self.candidates_buffer.clear()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
502 await self._get_user_media()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
503
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
504 # Gather local ICE candidates
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
505 local_ice_data = await self._gather_ice_candidates(False)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
506 self.local_candidates = local_ice_data["candidates"]
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
507
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
508 await bridge.call_answer_sdp(sid, self._peer_connection.localDescription.sdp)
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
509
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
510 async def make_call(
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
511 self, callee_jid: jid.JID, audio: bool = True, video: bool = True
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
512 ) -> None:
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
513 """Start a WebRTC call
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
514
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
515 @param audio: True if an audio flux is required
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
516 @param video: True if a video flux is required
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
517 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
518 await self._create_peer_connection()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
519 await self._get_user_media(audio, video)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 await self._gather_ice_candidates(True)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
521
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
522 call_data = {"sdp": self._peer_connection.localDescription.sdp}
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
523 log.info(f"calling {callee_jid!r}")
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
524 self.sid = await bridge.call_start(str(callee_jid), json.dumps(call_data))
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 log.debug(f"Call SID: {self.sid}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
526
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
527 async def end_call(self) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 """Stop streaming and clean instance"""
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
529 if self._peer_connection is None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 log.debug("There is currently no call to end.")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 else:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 self._peer_connection.removeEventListener("track", self.on_track)
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
533 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
534 "negotiationneeded", self.on_negotiation_needed
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
535 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
536 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
537 "icecandidate", self.on_ice_candidate
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
538 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
539 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
540 "icegatheringstatechange", self.on_ice_gathering_state_change
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
541 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
542
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
543 # Base64 encoded 1x1 black pixel image
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
544 # this is a trick to reset the image displayed, so we don't see last image of
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
545 # last stream
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
546 black_image_data = (
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
547 "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0"
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
548 "lEQVR42mP8/wcAAwAB/uzNq7sAAAAASUVORK5CYII="
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
549 )
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
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550
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551 local_video = self.local_video_elt
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552 remote_video = self.remote_video_elt
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553 if local_video.srcObject:
b8ed9726525b browser: "calls" implementation, first draft:
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554 for track in local_video.srcObject.getTracks():
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555 track.stop()
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parents: 1518
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556 local_video.src = black_image_data
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557
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parents:
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558 if remote_video.srcObject:
b8ed9726525b browser: "calls" implementation, first draft:
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parents:
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559 for track in remote_video.srcObject.getTracks():
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Goffi <goffi@goffi.org>
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560 track.stop()
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Goffi <goffi@goffi.org>
parents: 1518
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561 remote_video.src = black_image_data
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parents:
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562
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563 self._peer_connection.close()
1549
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Goffi <goffi@goffi.org>
parents: 1518
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564 self.reset_instance()
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parents: 1518
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565
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Goffi <goffi@goffi.org>
parents: 1518
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566 def toggle_media_mute(self, media_type: str) -> bool:
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parents: 1518
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567 """Toggle mute/unmute for media tracks.
1517
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parents:
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568
1549
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569 @param media_type: 'audio' or 'video'. Determines which media tracks
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Goffi <goffi@goffi.org>
parents: 1518
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570 to process.
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Goffi <goffi@goffi.org>
parents: 1518
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571 """
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Goffi <goffi@goffi.org>
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572 assert media_type in ("audio", "video"), "Invalid media type"
1517
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parents:
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573
1549
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Goffi <goffi@goffi.org>
parents: 1518
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574 local_video = self.local_video_elt
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Goffi <goffi@goffi.org>
parents: 1518
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575 is_muted_attr = f"is_{media_type}_muted"
1517
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parents:
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576
1549
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parents: 1518
diff changeset
577 if local_video.srcObject:
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83c2a6faa2ae browser (calls): screen sharing implementation:
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578 log.debug(f"{local_video.srcObject=}")
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
579 track_getter = getattr(
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
580 local_video.srcObject, f"get{media_type.capitalize()}Tracks"
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
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581 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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582 log.debug("track go")
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
583 for track in track_getter():
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
584 log.debug(f"{track=}")
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
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parents: 1518
diff changeset
585 track.enabled = not track.enabled
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
586 setattr(self, is_muted_attr, not track.enabled)
1517
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parents:
diff changeset
587
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
588 media_name = self.media_types_inv.get(media_type)
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
589 if media_name is not None:
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
590 extra = {"name": str(media_name)}
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
591 aio.run(
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
592 bridge.call_info(
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
593 self.sid,
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
594 "mute" if getattr(self, is_muted_attr) else "unmute",
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
595 json.dumps(extra),
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
596 )
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
597 )
1517
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Goffi <goffi@goffi.org>
parents:
diff changeset
598
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
599 return getattr(self, is_muted_attr)
1517
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Goffi <goffi@goffi.org>
parents:
diff changeset
600
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
601 def toggle_audio_mute(self) -> bool:
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
602 """Toggle mute/unmute for audio tracks."""
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
603 return self.toggle_media_mute("audio")
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
604
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
605 def toggle_video_mute(self) -> bool:
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
606 """Toggle mute/unmute for video tracks."""
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
607 return self.toggle_media_mute("video")
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
608
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
609 async def toggle_screen_sharing(self):
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
610 log.debug(f"toggle_screen_sharing {self._is_sharing_screen=}")
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
611
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
612 if self._is_sharing_screen:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
613 await self._replace_user_video(screen=False)
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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diff changeset
614 else:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
615 await self._replace_user_video(screen=True)