annotate libervia/web/pages/calls/_browser/webrtc.py @ 1565:d282dbdd5ffd

browser (calls): restore UI state on reset: `on_reset` is now called when webRTC reset happens (notably when a call ends). The UI state is reset, in particular mute buttons so they don't appear in the wrong state during the next call.
author Goffi <goffi@goffi.org>
date Mon, 21 Aug 2023 15:23:22 +0200
parents bd3c880f4a47
children e65d2ef1ded4
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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__(
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19 self,
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20 screen_sharing_cb=None,
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21 on_connection_established_cb=None,
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22 on_reconnect_cb=None,
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23 on_connection_lost_cb=None,
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24 on_video_devices=None,
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25 on_reset_cb=None,
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26 ):
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27 # reset
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28 self.on_reset_cb = on_reset_cb
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29 self.reset_instance()
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30
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31 # ICE events
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32 bridge.register_signal("ice_candidates_new", self._on_ice_candidates_new)
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33 bridge.register_signal("ice_restart", self._on_ice_restart)
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34
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35 # connection events callbacks
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36 self.on_connection_established_cb = on_connection_established_cb
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37 self.on_reconnect_cb = on_reconnect_cb
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38 self.on_connection_lost_cb = on_connection_lost_cb
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39
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40 # video devices
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41 self.on_video_devices = on_video_devices
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42 self.video_devices = []
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43 self.has_multiple_cameras = False
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44 self.current_camera = None
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45
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46 # Initially populate the video devices list
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47 aio.run(self._populate_video_devices())
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48
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49 # muting
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50 self.is_audio_muted = None
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51 self.is_video_muted = None
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52
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53 # screen sharing
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54 self._is_sharing_screen = False
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55 self.screen_sharing_cb = screen_sharing_cb
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56
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57 # video elements
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58 self.local_video_elt = document["local_video"]
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59 self.remote_video_elt = document["remote_video"]
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60
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61 @property
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62 def is_sharing_screen(self) -> bool:
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63 return self._is_sharing_screen
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64
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65 @is_sharing_screen.setter
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66 def is_sharing_screen(self, sharing: bool) -> None:
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67 if sharing != self._is_sharing_screen:
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68 self._is_sharing_screen = sharing
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69 if self.screen_sharing_cb is not None:
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70 self.screen_sharing_cb(sharing)
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71
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72 def reset_instance(self):
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73 """Inits or resets the instance variables to their default state."""
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74 self._peer_connection = None
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75 self._media_types = None
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76 self._media_types_inv = None
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77 self._callee = None
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78 self.sid = None
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79 self.local_candidates = None
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80 self.remote_stream = None
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81 self.candidates_buffer = {
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82 "audio": {"candidates": []},
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83 "video": {"candidates": []},
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84 }
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85 self.media_candidates = {}
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86 self.candidates_gathered = aio.Future()
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87 if self.on_reset_cb is not None:
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88 self.on_reset_cb()
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89
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90 async def _populate_video_devices(self):
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91 devices = await window.navigator.mediaDevices.enumerateDevices()
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92 devices_ids = set()
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93 self.video_devices.clear()
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94 for device in devices:
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95 if device.kind != "videoinput":
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96 continue
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97 # we can have multiple devices with same IDs in some corner cases (e.g.
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98 # infrared camera)
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99 device_id = device.deviceId
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100 if device_id in devices_ids:
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101 continue
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102 devices_ids.add(device_id)
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103 self.video_devices.append(device)
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104 self.has_multiple_cameras = len(self.video_devices) > 1
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105 if self.on_video_devices is not None:
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106 self.on_video_devices(self.has_multiple_cameras)
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107 # Set the initial camera to the default (usually front on mobile)
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108 if self.video_devices:
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109 self.current_camera = self.video_devices[0].deviceId
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110 log.debug(
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111 f"devices populated: {self.video_devices=} {self.has_multiple_cameras=}"
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112 )
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113
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114 @property
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115 def media_types(self):
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116 if self._media_types is None:
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117 raise Exception("self._media_types should not be None!")
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118 return self._media_types
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119
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120 @media_types.setter
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121 def media_types(self, new_media_types: dict) -> None:
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122 self._media_types = new_media_types
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123 self._media_types_inv = {v: k for k, v in new_media_types.items()}
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124
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125 @property
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126 def media_types_inv(self) -> dict:
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127 if self._media_types_inv is None:
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128 raise Exception("self._media_types_inv should not be None!")
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129 return self._media_types_inv
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130
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131 def get_sdp_mline_index(self, media_type):
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132 """Gets the sdpMLineIndex for a given media type.
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133
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134 @param media_type: The type of the media.
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135 """
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136 for index, m_type in self.media_types.items():
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137 if m_type == media_type:
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138 return index
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139 raise ValueError(f"Media type '{media_type}' not found")
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140
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141 def extract_pwd_ufrag(self, sdp):
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142 """Retrieves ICE password and user fragment for SDP offer.
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143
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144 @param sdp: The Session Description Protocol offer string.
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145 """
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146 ufrag_line = re.search(r"ice-ufrag:(\S+)", sdp)
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147 pwd_line = re.search(r"ice-pwd:(\S+)", sdp)
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148
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149 if ufrag_line and pwd_line:
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150 return ufrag_line.group(1), pwd_line.group(1)
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151 else:
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152 log.error(f"SDP with missing ice-ufrag or ice-pwd:\n{sdp}")
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153 raise ValueError("Can't extract ice-ufrag and ice-pwd from SDP")
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154
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155 def extract_fingerprint_data(self, sdp):
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156 """Retrieves fingerprint data from an SDP offer.
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157
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158 @param sdp: The Session Description Protocol offer string.
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159 @return: A dictionary containing the fingerprint data.
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160 """
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161 fingerprint_line = re.search(r"a=fingerprint:(\S+)\s+(\S+)", sdp)
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162 if fingerprint_line:
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163 algorithm, fingerprint = fingerprint_line.groups()
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164 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
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165
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166 setup_line = re.search(r"a=setup:(\S+)", sdp)
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167 if setup_line:
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168 setup = setup_line.group(1)
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169 fingerprint_data["setup"] = setup
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170
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171 return fingerprint_data
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172 else:
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173 raise ValueError("fingerprint should not be missing")
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174
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175 def parse_ice_candidate(self, candidate_string):
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176 """Parses the ice candidate string.
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177
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178 @param candidate_string: The ice candidate string to be parsed.
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179 """
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180 pattern = re.compile(
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181 r"candidate:(?P<foundation>\S+) (?P<component_id>\d+) (?P<transport>\S+) "
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182 r"(?P<priority>\d+) (?P<address>\S+) (?P<port>\d+) typ "
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183 r"(?P<type>\S+)(?: raddr (?P<rel_addr>\S+) rport "
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184 r"(?P<rel_port>\d+))?(?: generation (?P<generation>\d+))?"
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185 )
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186 match = pattern.match(candidate_string)
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187 if match:
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188 candidate_dict = match.groupdict()
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189
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190 # Apply the correct types to the dictionary values
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191 candidate_dict["component_id"] = int(candidate_dict["component_id"])
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192 candidate_dict["priority"] = int(candidate_dict["priority"])
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193 candidate_dict["port"] = int(candidate_dict["port"])
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194
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195 if candidate_dict["rel_port"]:
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196 candidate_dict["rel_port"] = int(candidate_dict["rel_port"])
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197
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198 if candidate_dict["generation"]:
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199 candidate_dict["generation"] = candidate_dict["generation"]
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200
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201 # Remove None values
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202 return {k: v for k, v in candidate_dict.items() if v is not None}
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203 else:
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204 log.warning(f"can't parse candidate: {candidate_string!r}")
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205 return None
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206
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207 def build_ice_candidate(self, parsed_candidate):
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208 """Builds ICE candidate
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209
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210 @param parsed_candidate: Dictionary containing parsed ICE candidate
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211 """
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212 base_format = (
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213 "candidate:{foundation} {component_id} {transport} {priority} "
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214 "{address} {port} typ {type}"
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215 )
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216
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217 if parsed_candidate.get("rel_addr") and parsed_candidate.get("rel_port"):
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218 base_format += " raddr {rel_addr} rport {rel_port}"
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219
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220 if parsed_candidate.get("generation"):
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221 base_format += " generation {generation}"
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222
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223 return base_format.format(**parsed_candidate)
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224
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225 def on_ice_candidate(self, event):
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226 """Handles ICE candidate event
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227
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228 @param event: Event containing the ICE candidate
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229 """
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230 log.debug(f"on ice candidate {event.candidate=}")
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231 if event.candidate and event.candidate.candidate:
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232 window.last_event = event
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233 parsed_candidate = self.parse_ice_candidate(event.candidate.candidate)
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234 if parsed_candidate is None:
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235 return
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236 try:
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237 media_type = self.media_types[event.candidate.sdpMLineIndex]
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238 except (TypeError, IndexError):
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239 log.error(
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240 f"Can't find media type.\n{event.candidate=}\n{self._media_types=}"
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241 )
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242 return
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243 self.media_candidates.setdefault(media_type, []).append(parsed_candidate)
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244 log.debug(f"ICE candidate [{media_type}]: {event.candidate.candidate}")
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245 else:
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246 log.debug("All ICE candidates gathered")
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247
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248 def on_ice_connection_state_change(self, event):
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249 """Log ICE connection change, mainly used for debugging"""
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250 state = self._peer_connection.iceConnectionState
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251 log.info(f"ICE Connection State changed to: {state}")
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252
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253 if state == "connected":
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254 if self.on_connection_established_cb is not None:
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255 self.on_connection_established_cb()
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256 elif state == "failed":
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257 log.error(
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258 "ICE connection failed. Check network connectivity and ICE configurations."
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259 )
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260 elif state == "disconnected":
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261 log.warning("ICE connection was disconnected.")
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262 if self.on_connection_lost_cb is not None:
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263 self.on_connection_lost_cb()
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264
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265 def on_ice_candidate_error(self, event):
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266 """Log ICE error, useful for debugging"""
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267 log.error(f"ICE Candidate Error: {event.errorText} (Code: {event.errorCode})")
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268 log.debug(
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269 f"URL: {event.url}, Host candidate: {event.hostCandidate}, Port: {event.port}"
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270 )
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271
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272 def _set_media_types(self, offer):
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273 """Sets media types from offer SDP
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274
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275 @param offer: RTC session description containing the offer
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276 """
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277 sdp_lines = offer.sdp.splitlines()
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278 media_types = {}
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279 mline_index = 0
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280
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281 for line in sdp_lines:
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282 if line.startswith("m="):
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283 media_types[mline_index] = line[2 : line.find(" ")]
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284 mline_index += 1
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285
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286 self.media_types = media_types
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287
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288 def on_ice_gathering_state_change(self, event):
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289 """Handles ICE gathering state change
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290
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291 @param event: Event containing the ICE gathering state change
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292 """
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293 connection = event.target
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294 log.debug(f"on_ice_gathering_state_change {connection.iceGatheringState=}")
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295 if connection.iceGatheringState == "complete":
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296 log.info("ICE candidates gathering done")
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297 self.candidates_gathered.set_result(None)
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298
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299 async def _create_peer_connection(
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300 self,
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301 ):
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302 """Creates peer connection"""
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303 if self._peer_connection is not None:
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304 raise Exception("create_peer_connection can't be called twice!")
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305
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306 external_disco = json.loads(await bridge.external_disco_get(""))
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307 ice_servers = []
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308
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309 for server in external_disco:
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310 ice_server = {}
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311 if server["type"] == "stun":
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312 ice_server["urls"] = f"stun:{server['host']}:{server['port']}"
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313 elif server["type"] == "turn":
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314 ice_server[
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315 "urls"
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316 ] = f"turn:{server['host']}:{server['port']}?transport={server['transport']}"
1517
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317 ice_server["username"] = server["username"]
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318 ice_server["credential"] = server["password"]
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319 ice_servers.append(ice_server)
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320
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321 rtc_configuration = {"iceServers": ice_servers}
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322
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323 peer_connection = window.RTCPeerConnection.new(rtc_configuration)
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324 peer_connection.addEventListener("track", self.on_track)
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325 peer_connection.addEventListener("negotiationneeded", self.on_negotiation_needed)
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326 peer_connection.addEventListener(
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327 "iceconnectionstatechange", self.on_ice_connection_state_change
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328 )
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329 peer_connection.addEventListener("icecandidate", self.on_ice_candidate)
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diff changeset
330 peer_connection.addEventListener("icecandidateerror", self.on_ice_candidate_error)
1553
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331 peer_connection.addEventListener(
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332 "icegatheringstatechange", self.on_ice_gathering_state_change
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diff changeset
333 )
1517
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334
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335 self._peer_connection = peer_connection
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diff changeset
336 window.pc = self._peer_connection
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diff changeset
337
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338 async def _get_user_media(self, audio: bool = True, video: bool = True) -> None:
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339 """
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340 Gets user media (camera and microphone).
1517
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341
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342 @param audio: True if an audio flux is required.
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343 @param video: True if a video flux is required.
1517
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344 """
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345 media_constraints = {"audio": audio, "video": video}
1517
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346 local_stream = await window.navigator.mediaDevices.getUserMedia(media_constraints)
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347
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348 if not local_stream:
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349 log.error("Failed to get the media stream.")
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350 return
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351
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352 self.local_video_elt.srcObject = local_stream
1517
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353
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354 for track in local_stream.getTracks():
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355 self._peer_connection.addTrack(track)
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diff changeset
356
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diff changeset
357 async def _replace_user_video(
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diff changeset
358 self,
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
359 screen: bool = False,
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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diff changeset
360 ) -> JSObject | None:
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
361 """Replaces the user video track with either a camera or desktop sharing track.
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diff changeset
362
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
363 @param screen: True if desktop sharing is required. False will use the camera.
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diff changeset
364 @return: The local media stream or None if failed.
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
365 """
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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diff changeset
366 if screen:
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
367 media_constraints = {"video": {"cursor": "always"}}
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diff changeset
368 new_stream = await window.navigator.mediaDevices.getDisplayMedia(
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
369 media_constraints
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diff changeset
370 )
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
371 else:
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
372 if self.local_video_elt.srcObject:
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
373 for track in self.local_video_elt.srcObject.getTracks():
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diff changeset
374 if track.kind == "video":
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diff changeset
375 track.stop()
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376
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diff changeset
377 media_constraints = {
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378 "video": {"deviceId": self.current_camera}
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diff changeset
379 if self.current_camera
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diff changeset
380 else True
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diff changeset
381 }
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diff changeset
382
1553
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diff changeset
383 new_stream = await window.navigator.mediaDevices.getUserMedia(
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diff changeset
384 media_constraints
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diff changeset
385 )
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diff changeset
386
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
387 if not new_stream:
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diff changeset
388 log.error("Failed to get the media stream.")
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diff changeset
389 return None
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diff changeset
390
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
391 new_video_tracks = [
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
392 track for track in new_stream.getTracks() if track.kind == "video"
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diff changeset
393 ]
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diff changeset
394
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
395 if not new_video_tracks:
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diff changeset
396 log.error("Failed to retrieve the video track from the new stream.")
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diff changeset
397 return None
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diff changeset
398
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
399 # Retrieve the current local stream's video track.
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diff changeset
400 local_stream = self.local_video_elt.srcObject
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diff changeset
401 if local_stream:
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diff changeset
402 local_video_tracks = [
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diff changeset
403 track for track in local_stream.getTracks() if track.kind == "video"
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
404 ]
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
405 if local_video_tracks:
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
406 # Remove the old video track and add the new one to the local stream.
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diff changeset
407 local_stream.removeTrack(local_video_tracks[0])
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diff changeset
408 local_stream.addTrack(new_video_tracks[0])
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
409
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
410 video_sender = next(
83c2a6faa2ae browser (calls): screen sharing implementation:
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parents: 1549
diff changeset
411 (
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
412 sender
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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diff changeset
413 for sender in self._peer_connection.getSenders()
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
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diff changeset
414 if sender.track and sender.track.kind == "video"
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diff changeset
415 ),
83c2a6faa2ae browser (calls): screen sharing implementation:
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diff changeset
416 None,
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
417 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
418 if video_sender:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
419 await video_sender.replaceTrack(new_video_tracks[0])
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
420
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
421 if screen:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
422 # For screen sharing, we track the end event to properly stop the sharing when
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
423 # the user clicks on the browser's stop sharing dialog.
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
424 def on_track_ended(event):
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
425 aio.run(self.toggle_screen_sharing())
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
426
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
427 new_video_tracks[0].bind("ended", on_track_ended)
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
428
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
429 self.is_sharing_screen = screen
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
430
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
431 return local_stream
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
432
1564
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
433 async def switch_camera(self) -> None:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
434 """Switches to the next available camera.
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
435
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
436 This method cycles through the list of available video devices, replaces the
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
437 current video track with the next one in the user's local video element, and then
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
438 updates the sender's track in the peer connection. If there's only one camera or
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
439 if an error occurs while switching, the method logs the error and does nothing.
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
440 """
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
441 log.info("switching camera")
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
442 if not self.has_multiple_cameras:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
443 log.error("No multiple cameras to switch.")
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
444 return
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
445
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
446 current_camera_index = -1
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
447 for i, device_info in enumerate(self.video_devices):
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
448 if device_info.deviceId == self.current_camera:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
449 current_camera_index = i
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
450 break
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
451
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
452 if current_camera_index == -1:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
453 log.error("Current camera not found in available devices.")
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
454 return
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
455
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
456 # Switch to the next camera in the list
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
457 next_camera_index = (current_camera_index + 1) % len(self.video_devices)
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
458 self.current_camera = self.video_devices[next_camera_index].deviceId
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
459 log.debug(f"{next_camera_index=} {self.current_camera=}")
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
460
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
461 new_stream = await window.navigator.mediaDevices.getUserMedia(
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
462 {"video": {"deviceId": self.current_camera}}
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
463 )
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
464
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
465 new_video_tracks = [
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
466 track for track in new_stream.getTracks() if track.kind == "video"
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
467 ]
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
468
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
469 if not new_video_tracks:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
470 log.error("Failed to retrieve the video track from the new stream.")
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
471 return
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
472
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
473 # Update local video element's stream
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
474 local_stream = self.local_video_elt.srcObject
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
475 if local_stream:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
476 local_video_tracks = [
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
477 track for track in local_stream.getTracks() if track.kind == "video"
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
478 ]
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
479 if local_video_tracks:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
480 local_video_tracks[0].stop()
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
481 local_stream.removeTrack(local_video_tracks[0])
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
482 local_stream.addTrack(new_video_tracks[0])
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
483 self.local_video_elt.srcObject = local_stream
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
484
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
485 # update remove video stream
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
486 video_sender = next(
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
487 (
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
488 sender
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
489 for sender in self._peer_connection.getSenders()
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
490 if sender.track and sender.track.kind == "video"
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
491 ),
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
492 None,
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
493 )
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
494
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
495 if video_sender:
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
496 await video_sender.replaceTrack(new_video_tracks[0])
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
497
bd3c880f4a47 browser (calls): add camera switching:
Goffi <goffi@goffi.org>
parents: 1563
diff changeset
498
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
499 async def _gather_ice_candidates(self, is_initiator: bool, remote_candidates=None):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
500 """Get ICE candidates and wait to have them all before returning them
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
501
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
502 @param is_initiator: Boolean indicating if the user is the initiator of the connection
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
503 @param remote_candidates: Remote ICE candidates, if any
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
504 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
505 if self._peer_connection is None:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
506 raise Exception(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
507 "The peer connection must be created before gathering ICE candidates!"
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
508 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
509
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
510 self.media_candidates.clear()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
511 gather_timeout = timer.set_timeout(
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
512 lambda: self.candidates_gathered.set_exception(
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
513 errors.TimeoutError("ICE gathering time out")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
514 ),
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
515 GATHER_TIMEOUT,
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
516 )
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 if is_initiator:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
519 offer = await self._peer_connection.createOffer()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 self._set_media_types(offer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
521 await self._peer_connection.setLocalDescription(offer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
522 else:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
523 answer = await self._peer_connection.createAnswer()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
524 self._set_media_types(answer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 await self._peer_connection.setLocalDescription(answer)
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 if not is_initiator:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 log.debug(self._peer_connection.localDescription.sdp)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
529 await self.candidates_gathered
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 log.debug(self._peer_connection.localDescription.sdp)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 timer.clear_timeout(gather_timeout)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 ufrag, pwd = self.extract_pwd_ufrag(self._peer_connection.localDescription.sdp)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
533 return {
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
534 "ufrag": ufrag,
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
535 "pwd": pwd,
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
536 "candidates": self.media_candidates,
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
537 }
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
538
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
539 async def accept_call(self, session_id: str, sdp: str, profile: str) -> None:
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
540 """Call has been accepted, connection can be established
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
541
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
542 @param session_id: Session identifier
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
543 @param sdp: Session Description Protocol data
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
544 @param profile: Profile associated
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
545 """
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
546 await self._peer_connection.setRemoteDescription({"type": "answer", "sdp": sdp})
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
547 await self.on_ice_candidates_new(self.candidates_buffer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
548 self.candidates_buffer.clear()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
549
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
550 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
551 """Called when new ICE candidates are received
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
552
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
553 @param sid: Session identifier
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
554 @param candidates_s: ICE candidates serialized
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
555 @param profile: Profile associated with the action
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
556 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
557 if sid != self.sid:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
558 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
559 return
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
560 candidates = json.loads(candidates_s)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
561 aio.run(self.on_ice_candidates_new(candidates))
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
562
1559
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
563 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
564 if sid != self.sid:
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
565 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
566 return
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
567 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
568 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
569 self.on_reconnect_cb()
1559
410064b31dca browser (calls): add some logs useful for debugging
Goffi <goffi@goffi.org>
parents: 1553
diff changeset
570
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
571 async def on_ice_candidates_new(self, candidates: dict) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 """Called when new ICE canidates are received from peer
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
573
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
574 @param candidates: Dictionary containing new ICE candidates
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
575 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
576 log.debug(f"new peer candidates received: {candidates}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
577 if (
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
578 self._peer_connection is None
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 or self._peer_connection.remoteDescription is None
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
580 ):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
581 for media_type in ("audio", "video"):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
582 media_candidates = candidates.get(media_type)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
583 if media_candidates:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
584 buffer = self.candidates_buffer[media_type]
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
585 buffer["candidates"].extend(media_candidates["candidates"])
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
586 return
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
587 for media_type, ice_data in candidates.items():
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
588 for candidate in ice_data["candidates"]:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 candidate_sdp = self.build_ice_candidate(candidate)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
590 try:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
591 sdp_mline_index = self.get_sdp_mline_index(media_type)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
592 except Exception as e:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
593 log.warning(e)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
594 continue
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
595 ice_candidate = window.RTCIceCandidate.new(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
596 {"candidate": candidate_sdp, "sdpMLineIndex": sdp_mline_index}
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
597 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
598 await self._peer_connection.addIceCandidate(ice_candidate)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
599
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
600 def on_track(self, event):
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
601 """New track has been received from peer
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
602
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
603 @param event: Event associated with the new track
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
604 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
605 if event.streams and event.streams[0]:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
606 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
607 self.remote_video_elt.srcObject = remote_stream
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
608 else:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
609 if self.remote_stream is None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
610 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
611 self.remote_video_elt.srcObject = self.remote_stream
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
612 self.remote_stream.addTrack(event.track)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
613
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
614 def on_negotiation_needed(self, event) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
615 log.debug(f"on_negotiation_needed {event=}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
616 # TODO
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
617
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
618 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
619 """We respond to the call"""
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
620 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
621 if sid != self.sid:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
622 raise Exception(f"Internal Error: unexpected sid: {sid=} {self.sid=}")
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
623 await self._create_peer_connection()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
624
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
625 await self._peer_connection.setRemoteDescription(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
626 {"type": "offer", "sdp": offer_sdp}
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
627 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
628 await self.on_ice_candidates_new(self.candidates_buffer)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
629 self.candidates_buffer.clear()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
630 await self._get_user_media()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
631
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
632 # Gather local ICE candidates
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
633 local_ice_data = await self._gather_ice_candidates(False)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
634 self.local_candidates = local_ice_data["candidates"]
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
635
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
636 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
637
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
638 async def make_call(
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
639 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
640 ) -> None:
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
641 """Start a WebRTC call
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
642
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
643 @param audio: True if an audio flux is required
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
644 @param video: True if a video flux is required
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
645 """
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
646 await self._create_peer_connection()
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
647 await self._get_user_media(audio, video)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
648 await self._gather_ice_candidates(True)
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
649
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
650 call_data = {"sdp": self._peer_connection.localDescription.sdp}
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
651 log.info(f"calling {callee_jid!r}")
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
652 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
653 log.debug(f"Call SID: {self.sid}")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
654
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
655 async def end_call(self) -> None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
656 """Stop streaming and clean instance"""
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
657 if self._peer_connection is None:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
658 log.debug("There is currently no call to end.")
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
659 else:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
660 self._peer_connection.removeEventListener("track", self.on_track)
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
661 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
662 "negotiationneeded", self.on_negotiation_needed
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
663 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
664 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
665 "icecandidate", self.on_ice_candidate
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
666 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
667 self._peer_connection.removeEventListener(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
668 "icegatheringstatechange", self.on_ice_gathering_state_change
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
669 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
670
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
671 # 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
672 # 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
673 # last stream
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
674 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
675 "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
676 "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
677 )
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
678
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
679 local_video = self.local_video_elt
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
680 remote_video = self.remote_video_elt
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
681 if local_video.srcObject:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
682 for track in local_video.srcObject.getTracks():
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
683 track.stop()
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
684 local_video.src = 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
685
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
686 if remote_video.srcObject:
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
687 for track in remote_video.srcObject.getTracks():
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
688 track.stop()
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
689 remote_video.src = black_image_data
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
690
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
691 self._peer_connection.close()
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
692 self.reset_instance()
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
693
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
694 def toggle_media_mute(self, media_type: str) -> bool:
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
695 """Toggle mute/unmute for media tracks.
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
696
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
697 @param media_type: 'audio' or 'video'. Determines which media tracks
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
698 to process.
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
699 """
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
700 assert media_type in ("audio", "video"), "Invalid media type"
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
701
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
702 local_video = self.local_video_elt
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
703 is_muted_attr = f"is_{media_type}_muted"
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
704
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
705 if local_video.srcObject:
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
706 log.debug(f"{local_video.srcObject=}")
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
707 track_getter = getattr(
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
708 local_video.srcObject, f"get{media_type.capitalize()}Tracks"
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
709 )
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
710 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
711 for track in track_getter():
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
712 log.debug(f"{track=}")
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
713 track.enabled = not track.enabled
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
714 setattr(self, is_muted_attr, not track.enabled)
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
715
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
716 media_name = self.media_types_inv.get(media_type)
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Goffi <goffi@goffi.org>
parents: 1518
diff changeset
717 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
718 extra = {"name": str(media_name)}
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
719 aio.run(
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
720 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
721 self.sid,
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
722 "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
723 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
724 )
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
725 )
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
726
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
727 return getattr(self, is_muted_attr)
1517
b8ed9726525b browser: "calls" implementation, first draft:
Goffi <goffi@goffi.org>
parents:
diff changeset
728
1549
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
729 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
730 """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
731 return self.toggle_media_mute("audio")
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
732
e47c24204449 browser (calls): update call to handle search, control buttons, and better UI/UX:
Goffi <goffi@goffi.org>
parents: 1518
diff changeset
733 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
734 """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
735 return self.toggle_media_mute("video")
1553
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
736
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
737 async def toggle_screen_sharing(self):
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
738 log.debug(f"toggle_screen_sharing {self._is_sharing_screen=}")
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
739
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
740 if self._is_sharing_screen:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
741 await self._replace_user_video(screen=False)
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
742 else:
83c2a6faa2ae browser (calls): screen sharing implementation:
Goffi <goffi@goffi.org>
parents: 1549
diff changeset
743 await self._replace_user_video(screen=True)