annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4279:6276242736c3 default tip @

doc (components): Documentation for the new `Conferences` component: fix 445
author Goffi <goffi@goffi.org>
date Fri, 05 Jul 2024 17:18:37 +0200
parents 00a9316547ed
children
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1 #!/usr/bin/env python3
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2
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3 # Libervia: an XMPP client
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 import base64
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20 from typing import Any, Dict, Optional
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21
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22 from twisted.words.xish import domish
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23
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24 from libervia.backend.core.constants import Const as C
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25 from libervia.backend.core.log import getLogger
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26
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27 from .constants import NS_JINGLE_RTP
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28
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29 log = getLogger(__name__)
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30
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31 host = None
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32
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33
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34 def senders_to_sdp(senders: str, session: dict) -> str:
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35 """Returns appropriate SDP attribute corresponding to Jingle senders attribute"""
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36 if senders == "both":
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37 return "a=sendrecv"
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38 elif senders == "none":
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39 return "a=inactive"
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40 elif session["role"] != senders:
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41 return "a=sendonly"
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42 else:
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43 return "a=recvonly"
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44
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45
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46 def generate_sdp_from_session(session: dict, local: bool = False, port: int = 9) -> str:
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47 """Generate an SDP string from session data.
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48
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49 @param session: A dictionary containing the session data. It should have the
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50 following structure:
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51
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52 {
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53 "contents": {
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54 "<content_id>": {
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55 "application_data": {
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56 "media": <str: "audio" or "video">,
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57 "local_data": <media_data dict>,
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58 "peer_data": <media_data dict>,
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59 ...
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60 },
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61 "transport_data": {
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62 "local_ice_data": <ice_data dict>,
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63 "peer_ice_data": <ice_data dict>,
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64 ...
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65 },
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66 ...
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67 },
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68 ...
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69 }
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70 }
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71 @param local: A boolean value indicating whether to generate SDP for the local or
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72 peer entity. If True, the method will generate SDP for the local entity,
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73 otherwise for the peer entity. Generally the local SDP is received from frontends
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74 and not needed in backend, except for debugging purpose.
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75 @param port: The preferred port for communications.
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76
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77 @return: The generated SDP string.
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78 """
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79 contents = session["contents"]
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80 sdp_lines = ["v=0"]
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81
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82 # Add originator (o=) line after the version (v=) line
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83 username = base64.b64encode(session["local_jid"].full().encode()).decode()
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84 session_id = "1" # Increment this for each session
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85 session_version = "1" # Increment this when the session is updated
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86 network_type = "IN"
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87 address_type = "IP4"
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88 connection_address = "0.0.0.0"
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89 o_line = (
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90 f"o={username} {session_id} {session_version} {network_type} {address_type} "
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91 f"{connection_address}"
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92 )
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93 sdp_lines.append(o_line)
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94
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95 # Add the mandatory "s=" and t=" lines
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96 sdp_lines.append("s=-")
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97 sdp_lines.append("t=0 0")
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98
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99 # stream direction
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100 all_senders = {c["senders"] for c in session["contents"].values()}
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101 # if we don't have a common senders for all contents, we set them at media level
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102 senders = all_senders.pop() if len(all_senders) == 1 else None
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103
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104 sdp_lines.append("a=msid-semantic:WMS *")
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105 sdp_lines.append("a=ice-options:trickle")
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106
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107 host.trigger.point(
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108 "XEP-0167_generate_sdp_session",
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109 session,
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110 local,
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111 sdp_lines,
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112 triggers_no_cancel=True,
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113 )
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114 content_names = sorted(contents)
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115
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116 for content_name, content_data in [
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117 (n, contents[n]) for n in content_names
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118 ]: # contents.items():
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119 app_data_key = "local_data" if local else "peer_data"
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120 application_data = content_data["application_data"]
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121 media_data = application_data[app_data_key]
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122 media = application_data["media"]
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123 payload_types = media_data.get("payload_types", {})
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124
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125 # Generate m= line
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126 if media == "application":
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127 transport = "UDP/DTLS/SCTP"
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128 m_line = f"m={media} {port} {transport} webrtc-datachannel"
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129 else:
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130 transport = "UDP/TLS/RTP/SAVPF"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
131 payload_type_ids = [str(pt_id) for pt_id in payload_types]
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
132 m_line = f"m={media} {port} {transport} {' '.join(payload_type_ids)}"
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133 sdp_lines.append(m_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 sdp_lines.append(f"c={network_type} {address_type} {connection_address}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 sdp_lines.append(f"a=mid:{content_name}")
4121
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
138 if senders is not None:
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
139 sdp_lines.append(senders_to_sdp(senders, session))
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 if senders is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 sdp_lines.append(senders_to_sdp(content_data["senders"], session))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 # Generate a= lines for rtpmap and fmtp
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146 for pt_id, pt in payload_types.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 name = pt["name"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 clockrate = pt.get("clockrate", "")
4121
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
149
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
150 # Check if "channels" is in pt and append it to the line
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
151 channels = pt.get("channels")
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
152 if channels:
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
153 sdp_lines.append(f"a=rtpmap:{pt_id} {name}/{clockrate}/{channels}")
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
154 else:
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
155 sdp_lines.append(f"a=rtpmap:{pt_id} {name}/{clockrate}")
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 if "ptime" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 sdp_lines.append(f"a=ptime:{pt['ptime']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 if "parameters" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 fmtp_params = ";".join([f"{k}={v}" for k, v in pt["parameters"].items()])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 sdp_lines.append(f"a=fmtp:{pt_id} {fmtp_params}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165 sdp_lines.append(f"a=b:{media_data['bandwidth']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 sdp_lines.append("a=rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 # Generate a= lines for fingerprint, ICE ufrag, pwd and candidates
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 ice_data_key = "local_ice_data" if local else "peer_ice_data"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 ice_data = content_data["transport_data"][ice_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 if "fingerprint" in ice_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 fingerprint_data = ice_data["fingerprint"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 sdp_lines.append(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 f"a=fingerprint:{fingerprint_data['hash']} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 f"{fingerprint_data['fingerprint']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 sdp_lines.append(f"a=setup:{fingerprint_data['setup']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 sdp_lines.append(f"a=ice-ufrag:{ice_data['ufrag']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 sdp_lines.append(f"a=ice-pwd:{ice_data['pwd']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 for candidate in ice_data["candidates"]:
4276
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
186 candidate_line = generate_candidate_line(candidate)
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
187 sdp_lines.append(f"a={candidate_line}")
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 # Generate a= lines for encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 crypto_suite = enc_data["crypto-suite"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 key_params = enc_data["key-params"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 session_params = enc_data.get("session-params", "")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 tag = enc_data["tag"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 crypto_line = f"a=crypto:{tag} {crypto_suite} {key_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 if session_params:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 crypto_line += f" {session_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 sdp_lines.append(crypto_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 "XEP-0167_generate_sdp_content",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 local,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 content_name,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 content_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 sdp_lines,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 app_data_key,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212 media,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
213 triggers_no_cancel=True,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 # Combine SDP lines and return the result
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 return "\r\n".join(sdp_lines) + "\r\n"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219
4276
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
220 def generate_candidate_line(candidate: dict) -> str:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
221 """Generate a ``candidate:`` attribute line from candidate data.
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
222
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
223 @param candidate: ICE candidate data.
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
224 @return ICE candidate attribute line.
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
225 """
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
226 foundation = candidate["foundation"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
227 component_id = candidate["component_id"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
228 transport = candidate["transport"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
229 priority = candidate["priority"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
230 address = candidate["address"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
231 candidate_port = candidate["port"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
232 candidate_type = candidate["type"]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
233
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
234 candidate_line = (
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
235 f"candidate:{foundation} {component_id} {transport} {priority} "
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
236 f"{address} {candidate_port} typ {candidate_type}"
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
237 )
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
238
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
239 if "rel_addr" in candidate and "rel_port" in candidate:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
240 candidate_line += f" raddr {candidate['rel_addr']} rport {candidate['rel_port']}"
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
241
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
242 if "generation" in candidate:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
243 candidate_line += f" generation {candidate['generation']}"
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
244
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
245 if "network" in candidate:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
246 candidate_line += f" network {candidate['network']}"
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
247
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
248 return candidate_line
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
249
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
250
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
251 def parse_candidate(parts: list[str]) -> dict:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
252 """Parse parts of a ICE candidate
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
253
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
254 @param parts: Parts of the candidate line.
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
255 @return: candidate data
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
256 """
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
257 candidate = {
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
258 "foundation": parts[0],
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
259 "component_id": int(parts[1]),
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
260 "transport": parts[2],
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
261 "priority": int(parts[3]),
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
262 "address": parts[4],
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
263 "port": int(parts[5]),
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
264 "type": parts[7],
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
265 }
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
266
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
267 for part in parts[8:]:
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
268 if part == "raddr":
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
269 candidate["rel_addr"] = parts[parts.index(part) + 1]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
270 elif part == "rport":
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
271 candidate["rel_port"] = int(parts[parts.index(part) + 1])
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
272 elif part == "generation":
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
273 candidate["generation"] = parts[parts.index(part) + 1]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
274 elif part == "network":
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
275 candidate["network"] = parts[parts.index(part) + 1]
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
276
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
277 return candidate
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
278
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
279
4240
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
280 def parse_sdp(sdp: str, role: str) -> dict:
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
281 """Parse SDP string.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
282
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
283 @param sdp: The SDP string to parse.
4240
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
284 @param role: Role of the entities which produces the SDP.
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
285 @return: A dictionary containing parsed session data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
286 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
287 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
288 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
289 lines = sdp.strip().split("\r\n")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
290 # session metadata
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
291 metadata: Dict[str, Any] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
292 call_data = {"metadata": metadata}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
293
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
294 media_type = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
295 media_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
296 application_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
297 transport_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
298 fingerprint_data: Optional[Dict[str, str]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
299 ice_pwd: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
300 ice_ufrag: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
301 payload_types: Optional[Dict[int, dict]] = None
4240
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
302 # default value, will be be modified by SDP
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
303 senders: str = "both"
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
304
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
305 for line in lines:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
306 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 parts = line.split()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 prefix = parts[0][:2] # Extract the 'a=', 'm=', etc., prefix
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 parts[0] = parts[0][2:] # Remove the prefix from the first element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
310
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
311 if prefix == "m=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
312 media_type = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
313 port = int(parts[1])
4231
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
314 application_data = {"media": media_type}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
315 if media_type in ("video", "audio"):
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
316 payload_types = application_data["payload_types"] = {}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
317 for payload_type_id in [int(pt_id) for pt_id in parts[3:]]:
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
318 payload_type = {"id": payload_type_id}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
319 payload_types[payload_type_id] = payload_type
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
320 elif media_type == "application":
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
321 if parts[3] != "webrtc-datachannel":
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
322 raise NotImplementedError(
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
323 f"{media_type!r} application is not supported"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation:
Goffi <goffi@goffi.org>
parents: 4121
diff changeset
324 )
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
325
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
326 transport_data = {"port": port}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
327 if fingerprint_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
328 transport_data["fingerprint"] = fingerprint_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
329 if ice_pwd is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
330 transport_data["pwd"] = ice_pwd
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
331 if ice_ufrag is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
332 transport_data["ufrag"] = ice_ufrag
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
333 media_data = call_data[media_type] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
334 "application_data": application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
335 "transport_data": transport_data,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
336 "senders": senders,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
337 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
338
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
339 elif prefix == "a=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
340 if ":" in parts[0]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
341 attribute, parts[0] = parts[0].split(":", 1)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
342 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
343 attribute = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
344
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
345 if (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
346 media_type is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
347 or application_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
348 or transport_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
349 ) and not (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
350 attribute
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
351 in (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
352 "sendrecv",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
353 "sendonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
354 "recvonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
355 "inactive",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
356 "fingerprint",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
357 "group",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
358 "ice-options",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
359 "msid-semantic",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
360 "ice-pwd",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
361 "ice-ufrag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
362 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
363 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
364 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
365 "Received attribute before media description, this is "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
366 f"invalid: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
367 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
368 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
369
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
370 if attribute == "mid":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
371 assert media_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
372 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
373 media_data["id"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
374 except IndexError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
375 log.warning(f"invalid media ID: {line}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
376
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
377 elif attribute == "rtpmap":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
378 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
379 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
380 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
381 codec_info = parts[1].split("/")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
382 codec = codec_info[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
383 clockrate = int(codec_info[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
384 payload_type = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
385 "id": pt_id,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
386 "name": codec,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
387 "clockrate": clockrate,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
388 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
389 # Handle optional channel count
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
390 if len(codec_info) > 2:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
391 channels = int(codec_info[2])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
392 payload_type["channels"] = channels
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
393
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
394 payload_types.setdefault(pt_id, {}).update(payload_type)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
395
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
396 elif attribute == "fmtp":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
397 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
398 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
399 params = parts[1].split(";")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
400 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
401 payload_type = payload_types[pt_id]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
402 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
403 raise ValueError(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
404 f"Can find content type {pt_id}, ignoring: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
405 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
406
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
407 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
408 payload_type["parameters"] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
409 name: value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
410 for name, value in (param.split("=") for param in params)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
411 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
412 except ValueError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
413 payload_type.setdefault("exra-parameters", []).extend(params)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
414
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
415 elif attribute == "candidate":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
416 assert transport_data is not None
4276
00a9316547ed plugin XEP-0167: move ICE candidates parsing/SDP line building in separate methods:
Goffi <goffi@goffi.org>
parents: 4270
diff changeset
417 candidate = parse_candidate(parts)
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
418
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
419 transport_data.setdefault("candidates", []).append(candidate)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
420
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
421 elif attribute == "fingerprint":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
422 algorithm, fingerprint = parts[0], parts[1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
423 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
424 if transport_data is not None:
4121
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
425 transport_data.setdefault("fingerprint", {}).update(
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
426 fingerprint_data
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
427 )
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
428 elif attribute == "setup":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
429 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
430 setup = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
431 transport_data.setdefault("fingerprint", {})["setup"] = setup
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
432
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
433 elif attribute == "b":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
434 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
435 bandwidth = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
436 application_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
437
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
438 elif attribute == "rtcp-mux":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
439 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
440 application_data["rtcp-mux"] = True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
441
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
442 elif attribute == "ice-ufrag":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
443 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
444 transport_data["ufrag"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
445
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
446 elif attribute == "ice-pwd":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
447 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
448 transport_data["pwd"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
449
4240
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
450 elif attribute in ("sendrecv", "sendonly", "recvonly", "inactive"):
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
451 if attribute == "sendrecv":
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
452 value = "both"
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
453 elif attribute == "sendonly":
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
454 value = role
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
455 elif attribute == "recvonly":
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
456 value = "responder" if role == "initiator" else "initiator"
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
457 else:
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
458 value = "none"
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
459
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
460 if application_data is None:
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
461 # this is a global value, we use is as new default value
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
462 senders = value
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
463 else:
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
464 # this is a media specific value, it will replace the one used as
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
465 # default for this media
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
466 application_data["senders"] = value
79c8a70e1813 backend, frontend: prepare remote control:
Goffi <goffi@goffi.org>
parents: 4231
diff changeset
467
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
468 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
469 "XEP-0167_parse_sdp_a",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
470 attribute,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
471 parts,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
472 call_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
473 metadata,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
474 media_type,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
475 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
476 transport_data,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
477 triggers_no_cancel=True,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
478 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
479
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
480 except ValueError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
481 raise ValueError(f"Could not parse line. Invalid format ({e}): {line}") from e
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
482 except IndexError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
483 raise IndexError(f"Incomplete line. Missing data: {line}") from e
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
484
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
485 # we remove private data (data starting with _, used by some plugins (e.g. XEP-0294)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
486 # to handle session data at media level))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
487 for key in [k for k in call_data if k.startswith("_")]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
488 log.debug(f"cleaning remaining private data {key!r}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
489 del call_data[key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
490
4121
b2709504586a plugin XEP-0167: mapping adjustments:
Goffi <goffi@goffi.org>
parents: 4116
diff changeset
491 # FIXME: is this really useful?
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
492 # ICE candidates may only be specified for the first media, this
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
493 # duplicate the candidate for the other in this case
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
494 all_media = {k: v for k, v in call_data.items() if k in ("audio", "video")}
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 if len(all_media) > 1 and not all(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
496 "candidates" in c["transport_data"] for c in all_media.values()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
497 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
498 first_content = next(iter(all_media.values()))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
499 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
500 ice_candidates = first_content["transport_data"]["candidates"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
501 except KeyError:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
502 ice_candidates = []
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
503 for idx, content in enumerate(all_media.values()):
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
504 if idx == 0:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
505 continue
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
506 content["transport_data"].setdefault("candidates", ice_candidates)
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
507
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
508 return call_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
509
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
510
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
511 def build_description(media: str, media_data: dict, session: dict) -> domish.Element:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
512 """Generate <description> element from media data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
513
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
514 @param media: media type ("audio" or "video")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
515
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
516 @param media_data: A dictionary containing the media description data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
517 The keys and values are described below:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
518
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
519 - ssrc (str, optional): The synchronization source identifier.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 - payload_types (list): A list of dictionaries, each representing a payload
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
521 type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
522 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
523 - channels (str, optional): Number of audio channels.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
524 - clockrate (str, optional): Clock rate of the media.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 - id (str): The unique identifier of the payload type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
526 - maxptime (str, optional): Maximum packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
527 - name (str, optional): Name of the codec.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
528 - ptime (str, optional): Preferred packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
529 - parameters (dict, optional): A dictionary of codec-specific parameters.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 Key-value pairs represent the parameter name and value, respectively.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 - bandwidth (str, optional): The bandwidth type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 - rtcp-mux (bool, optional): Indicates whether RTCP multiplexing is enabled or
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
533 not.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
534 - encryption (list, optional): A list of dictionaries, each representing an
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
535 encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
536 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
537 - tag (str): The unique identifier of the encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
538 - crypto-suite (str): The encryption suite in use.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
539 - key-params (str): Key parameters for the encryption suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
540 - session-params (str, optional): Session parameters for the encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
541 suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
542
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
543 @return: A <description> element.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
544 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
545 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
546 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
547
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
548 desc_elt = domish.Element((NS_JINGLE_RTP, "description"), attribs={"media": media})
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
549
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
550 for pt_id, pt_data in media_data.get("payload_types", {}).items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
551 payload_type_elt = desc_elt.addElement("payload-type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
552 payload_type_elt["id"] = str(pt_id)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
553 for attr in ["channels", "clockrate", "maxptime", "name", "ptime"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
554 if attr in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
555 payload_type_elt[attr] = str(pt_data[attr])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
556
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
557 if "parameters" in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
558 for param_name, param_value in pt_data["parameters"].items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
559 param_elt = payload_type_elt.addElement("parameter")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
560 param_elt["name"] = param_name
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
561 param_elt["value"] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
562 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
563 "XEP-0167_build_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
564 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
565 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
566 pt_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
567 payload_type_elt,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
568 triggers_no_cancel=True,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
569 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
570
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
571 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 bandwidth_elt = desc_elt.addElement("bandwidth")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
573 bandwidth_elt["type"] = media_data["bandwidth"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
574
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
575 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
576 desc_elt.addElement("rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
577
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
578 # Add encryption element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
580 encryption_elt = desc_elt.addElement("encryption")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
581 # we always want require encryption if the `encryption` data is present
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
582 encryption_elt["required"] = "1"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
583 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
584 crypto_elt = encryption_elt.addElement("crypto")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
585 for attr in ["tag", "crypto-suite", "key-params", "session-params"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
586 if attr in enc_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
587 crypto_elt[attr] = enc_data[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
588
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
590 "XEP-0167_build_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
591 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
592 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
593 session,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
594 triggers_no_cancel=True,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
595 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
596
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
597 return desc_elt
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
598
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
599
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
600 def parse_description(desc_elt: domish.Element) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
601 """Parse <desciption> to a dict
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
602
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
603 @param desc_elt: <description> element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
604 @return: media data as in [build_description]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
605 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
606 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
607 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
608
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
609 media_data = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
610 if desc_elt.hasAttribute("ssrc"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
611 media_data.setdefault("ssrc", {})[desc_elt["ssrc"]] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
612
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
613 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
614 for payload_type_elt in desc_elt.elements(NS_JINGLE_RTP, "payload-type"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
615 payload_type_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
616 attr: payload_type_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
617 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
618 "channels",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
619 "clockrate",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
620 "maxptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
621 "name",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
622 "ptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
623 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
624 if payload_type_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
625 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
626 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
627 pt_id = int(payload_type_elt["id"])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
628 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
629 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
630 f"missing ID in payload type, ignoring: {payload_type_elt.toXml()}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
631 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
632 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
633
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
634 parameters = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
635 for param_elt in payload_type_elt.elements(NS_JINGLE_RTP, "parameter"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
636 param_name = param_elt.getAttribute("name")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
637 param_value = param_elt.getAttribute("value")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
638 if not param_name or param_value is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
639 log.warning(f"invalid parameter: {param_elt.toXml()}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
640 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
641 parameters[param_name] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
642
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
643 if parameters:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
644 payload_type_data["parameters"] = parameters
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
645
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
646 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
647 "XEP-0167_parse_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
648 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
649 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
650 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
651 payload_type_data,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
652 triggers_no_cancel=True,
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
653 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
654 payload_types[pt_id] = payload_type_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
655
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
656 # bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
657 media_data["payload_types"] = payload_types
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
658 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
659 bandwidth_elt = next(desc_elt.elements(NS_JINGLE_RTP, "bandwidth"))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
660 except StopIteration:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
661 pass
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
662 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
663 bandwidth = bandwidth_elt.getAttribute("type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
664 if not bandwidth:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
665 log.warning(f"invalid bandwidth: {bandwidth_elt.toXml}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
666 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
667 media_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
668
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
669 # rtcp-mux
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
670 rtcp_mux_elt = next(desc_elt.elements(NS_JINGLE_RTP, "rtcp-mux"), None)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
671 media_data["rtcp-mux"] = rtcp_mux_elt is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
672
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
673 # Encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
674 encryption_data = []
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
675 encryption_elt = next(desc_elt.elements(NS_JINGLE_RTP, "encryption"), None)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
676 if encryption_elt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
677 media_data["encryption_required"] = C.bool(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
678 encryption_elt.getAttribute("required", C.BOOL_FALSE)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
679 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
680
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
681 for crypto_elt in encryption_elt.elements(NS_JINGLE_RTP, "crypto"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
682 crypto_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
683 attr: crypto_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
684 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
685 "crypto-suite",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
686 "key-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
687 "session-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
688 "tag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
689 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
690 if crypto_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
691 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
692 encryption_data.append(crypto_data)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
693
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
694 if encryption_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
695 media_data["encryption"] = encryption_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
696
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
697 host.trigger.point(
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4240
diff changeset
698 "XEP-0167_parse_description", desc_elt, media_data, triggers_no_cancel=True
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
699 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
700
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
701 return media_data