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annotate libervia/backend/plugins/plugin_xep_0293.py @ 4219:1b5cf2ee1d86

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plugin XEP-0384, XEP-0391: download missing devices list: when a peer jid was not in our roster, devices list was not retrieved, resulting in failed en/decryption. This patch does check it and download missing devices list in necessary. There is no subscription managed yet, so the list won't be updated in case of new devices, this should be addressed at some point.
author Goffi <goffi@goffi.org>
date Tue, 05 Mar 2024 17:31:36 +0100
parents 4b842c1fb686
children
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rev   line source
4060
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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1 #!/usr/bin/env python3
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2
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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3 # Libervia plugin
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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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
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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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
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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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
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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19 from typing import List
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20
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21 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
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22 from twisted.words.xish import domish
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23 from wokkel import disco, iwokkel
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24 from zope.interface import implementer
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25
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26 from libervia.backend.core.constants import Const as C
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27 from libervia.backend.core.i18n import _
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28 from libervia.backend.core.log import getLogger
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29
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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30 log = getLogger(__name__)
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31
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32 NS_JINGLE_RTP_RTCP_FB = "urn:xmpp:jingle:apps:rtp:rtcp-fb:0"
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33
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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34 PLUGIN_INFO = {
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35 C.PI_NAME: "Jingle RTP Feedback Negotiation",
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36 C.PI_IMPORT_NAME: "XEP-0293",
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37 C.PI_TYPE: "XEP",
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38 C.PI_MODES: C.PLUG_MODE_BOTH,
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39 C.PI_PROTOCOLS: ["XEP-0293"],
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40 C.PI_DEPENDENCIES: ["XEP-0092", "XEP-0166", "XEP-0167"],
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41 C.PI_RECOMMENDATIONS: [],
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42 C.PI_MAIN: "XEP_0293",
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43 C.PI_HANDLER: "yes",
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44 C.PI_DESCRIPTION: _("""Jingle RTP Feedback Negotiation"""),
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45 }
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46
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47 RTCP_FB_KEY = "rtcp-fb"
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48
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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49
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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50 class XEP_0293:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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51 def __init__(self, host):
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52 log.info(f"plugin {PLUGIN_INFO[C.PI_NAME]!r} initialization")
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53 host.trigger.add("XEP-0167_parse_sdp_a", self._parse_sdp_a_trigger)
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54 host.trigger.add(
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55 "XEP-0167_generate_sdp_content", self._generate_sdp_content_trigger
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56 )
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57 host.trigger.add("XEP-0167_parse_description", self._parse_description_trigger)
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58 host.trigger.add(
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59 "XEP-0167_parse_description_payload_type",
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60 self._parse_description_payload_type_trigger,
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61 )
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62 host.trigger.add("XEP-0167_build_description", self._build_description_trigger)
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63 host.trigger.add(
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64 "XEP-0167_build_description_payload_type",
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65 self._build_description_payload_type_trigger,
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66 )
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67
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68 def get_handler(self, client):
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69 return XEP_0293_handler()
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70
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71 ## SDP
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72
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73 def _parse_sdp_a_trigger(
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74 self,
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75 attribute: str,
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76 parts: List[str],
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77 call_data: dict,
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78 metadata: dict,
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79 media_type: str,
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80 application_data: dict,
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81 transport_data: dict,
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82 ) -> None:
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83 """Parse "rtcp-fb" and "rtcp-fb-trr-int" attributes
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84
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85 @param attribute: The attribute being parsed.
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86 @param parts: The list of parts in the attribute.
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87 @param call_data: The call data dict.
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88 @param metadata: The metadata dict.
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89 @param media_type: The media type (e.g., audio, video).
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90 @param application_data: The application data dict.
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91 @param transport_data: The transport data dict.
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92 @param payload_map: The payload map dict.
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93 """
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94 if attribute == "rtcp-fb":
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95 pt_id = parts[0]
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96 feedback_type = parts[1]
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97
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98 feedback_subtype = None
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99 parameters = {}
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100
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101 # Check if there are extra parameters
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102 if len(parts) > 2:
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103 feedback_subtype = parts[2]
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104
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105 if len(parts) > 3:
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106 for parameter in parts[3:]:
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107 name, _, value = parameter.partition("=")
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108 parameters[name] = value or None
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109
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110 # Check if this feedback is linked to a payload type
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111 if pt_id == "*":
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112 # Not linked to a payload type, add to application data
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113 application_data.setdefault(RTCP_FB_KEY, []).append(
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114 (feedback_type, feedback_subtype, parameters)
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115 )
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116 else:
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117 payload_types = application_data.get("payload_types", {})
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118 try:
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119 payload_type = payload_types[int(pt_id)]
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diff changeset
120 except KeyError:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
121 log.warning(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
122 f"Got reference to unknown payload type {pt_id}: "
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
123 f"{' '.join(parts)}"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
125 else:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 # Linked to a payload type, add to payload data
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 payload_type.setdefault(RTCP_FB_KEY, []).append(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
128 (feedback_type, feedback_subtype, parameters)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
129 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
131 elif attribute == "rtcp-fb-trr-int":
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
132 pt_id = parts[0] # Payload type ID
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133 interval = int(parts[1])
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 # Check if this interval is linked to a payload type
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 if pt_id == "*":
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 # Not linked to a payload type, add to application data
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 application_data["rtcp-fb-trr-int"] = interval
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 else:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 payload_types = application_data.get("payload_types", {})
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 try:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 payload_type = payload_types[int(pt_id)]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 except KeyError:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144 log.warning(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 f"Got reference to unknown payload type {pt_id}: "
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146 f"{' '.join(parts)}"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 else:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149 # Linked to a payload type, add to payload data
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 payload_type["rtcp-fb-trr-int"] = interval
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 def _generate_rtcp_fb_lines(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 self, data: dict, pt_id: str, sdp_lines: List[str]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 for type_, subtype, parameters in data.get(RTCP_FB_KEY, []):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 parameters_strs = [
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
157 f"{k}={v}" if v is not None else k for k, v in parameters.items()
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 ]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 parameters_str = " ".join(parameters_strs)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 sdp_line = f"a=rtcp-fb:{pt_id} {type_}"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162 if subtype:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 sdp_line += f" {subtype}"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164 if parameters_str:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165 sdp_line += f" {parameters_str}"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 sdp_lines.append(sdp_line)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 def _generate_rtcp_fb_trr_int_lines(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 self, data: dict, pt_id: str, sdp_lines: List[str]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 if "rtcp-fb-trr-int" not in data:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 return
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 sdp_lines.append(f"a=rtcp-fb:{pt_id} trr-int {data['rtcp-fb-trr-int']}")
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 def _generate_sdp_content_trigger(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 self,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 session: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 local: bool,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179 content_name: str,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 content_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 sdp_lines: List[str],
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 application_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 app_data_key: str,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 media_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 media: str,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 """Generate SDP attributes "rtcp-fb" and "rtcp-fb-trr-int" from application data.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 @param session: The session data.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 @param local: Whether this is local or remote content.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 @param content_name: The name of the content.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 @param content_data: The data of the content.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 @param sdp_lines: The list of SDP lines to append to.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194 @param application_data: The application data dict.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 @param app_data_key: The key for the application data.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 @param media_data: The media data dict.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
197 @param media: The media type (e.g., audio, video).
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
198 """
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
199 # Generate lines for application data
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
200 self._generate_rtcp_fb_lines(application_data, "*", sdp_lines)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
201 self._generate_rtcp_fb_trr_int_lines(application_data, "*", sdp_lines)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
202
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 # Generate lines for each payload type
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
204 for pt_id, payload_data in media_data.get("payload_types", {}).items():
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
205 self._generate_rtcp_fb_lines(payload_data, pt_id, sdp_lines)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
206 self._generate_rtcp_fb_trr_int_lines(payload_data, pt_id, sdp_lines)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
207
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
208 ## XML
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
209
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
210 def _parse_rtcp_fb_elements(self, parent_elt: domish.Element, data: dict) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 """Parse the <rtcp-fb> and <rtcp-fb-trr-int> elements.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
212
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 @param parent_elt: The parent domish.Element.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
214 @param data: The data dict to populate.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
215 """
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 for rtcp_fb_elt in parent_elt.elements(NS_JINGLE_RTP_RTCP_FB, "rtcp-fb"):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 try:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 type_ = rtcp_fb_elt["type"]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 subtype = rtcp_fb_elt.getAttribute("subtype")
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
220
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
221 parameters = {}
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 for parameter_elt in rtcp_fb_elt.elements(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 NS_JINGLE_RTP_RTCP_FB, "parameter"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 ):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 parameters[parameter_elt["name"]] = parameter_elt.getAttribute(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 "value"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
227 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
228
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 data.setdefault(RTCP_FB_KEY, []).append((type_, subtype, parameters))
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
230 except (KeyError, ValueError) as e:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 log.warning(f"Error while parsing <rtcp-fb>: {e}\n{rtcp_fb_elt.toXml()}")
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
232
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
233 for rtcp_fb_trr_int_elt in parent_elt.elements(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 NS_JINGLE_RTP_RTCP_FB, "rtcp-fb-trr-int"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 ):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
236 try:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 interval_value = int(rtcp_fb_trr_int_elt["value"])
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 data.setdefault("rtcp_fb_trr_int", []).append(interval_value)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
239 except (KeyError, ValueError) as e:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
240 log.warning(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
241 f"Error while parsing <rtcp-fb-trr-int>: {e}\n"
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
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parents:
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242 f"{rtcp_fb_trr_int_elt.toXml()}"
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Goffi <goffi@goffi.org>
parents:
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243 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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244
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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245 def _parse_description_trigger(
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Goffi <goffi@goffi.org>
parents:
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246 self, desc_elt: domish.Element, media_data: dict
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Goffi <goffi@goffi.org>
parents:
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247 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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248 """Parse the <rtcp-fb> and <rtcp-fb-trr-int> elements from a description.
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Goffi <goffi@goffi.org>
parents:
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249
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250 @param desc_elt: The <description> domish.Element.
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Goffi <goffi@goffi.org>
parents:
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251 @param media_data: The media data dict to populate.
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Goffi <goffi@goffi.org>
parents:
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252 """
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Goffi <goffi@goffi.org>
parents:
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253 self._parse_rtcp_fb_elements(desc_elt, media_data)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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254
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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255 def _parse_description_payload_type_trigger(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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256 self,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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257 desc_elt: domish.Element,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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258 media_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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259 payload_type_elt: domish.Element,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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260 payload_type_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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261 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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262 """Parse the <rtcp-fb> and <rtcp-fb-trr-int> elements from a payload type.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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263
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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264 @param desc_elt: The <description> domish.Element.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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265 @param media_data: The media data dict.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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266 @param payload_type_elt: The <payload-type> domish.Element.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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267 @param payload_type_data: The payload type data dict to populate.
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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268 """
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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269 self._parse_rtcp_fb_elements(payload_type_elt, payload_type_data)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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270
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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271 def build_rtcp_fb_elements(self, parent_elt: domish.Element, data: dict) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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272 """Helper method to build the <rtcp-fb> and <rtcp-fb-trr-int> elements"""
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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273 for type_, subtype, parameters in data.get(RTCP_FB_KEY, []):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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274 rtcp_fb_elt = parent_elt.addElement((NS_JINGLE_RTP_RTCP_FB, "rtcp-fb"))
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Goffi <goffi@goffi.org>
parents:
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275 rtcp_fb_elt["type"] = type_
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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276 if subtype:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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277 rtcp_fb_elt["subtype"] = subtype
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
278 for name, value in parameters.items():
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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279 param_elt = rtcp_fb_elt.addElement(name)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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280 if value is not None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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281 param_elt.addContent(str(value))
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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282
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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283 if "rtcp-fb-trr-int" in data:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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284 rtcp_fb_trr_int_elt = parent_elt.addElement(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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285 (NS_JINGLE_RTP_RTCP_FB, "rtcp-fb-trr-int")
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
286 )
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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287 rtcp_fb_trr_int_elt["value"] = str(data["rtcp-fb-trr-int"])
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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288
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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289 def _build_description_payload_type_trigger(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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290 self,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
291 desc_elt: domish.Element,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
292 media_data: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
293 payload_type: dict,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
294 payload_type_elt: domish.Element,
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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295 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
296 """Build the <rtcp-fb> and <rtcp-fb-trr-int> elements for a payload type"""
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
297 self.build_rtcp_fb_elements(payload_type_elt, payload_type)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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298
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
299 def _build_description_trigger(
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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300 self, desc_elt: domish.Element, media_data: dict, session: dict
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
301 ) -> None:
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
302 """Build the <rtcp-fb> and <rtcp-fb-trr-int> elements for a media description"""
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
303 self.build_rtcp_fb_elements(desc_elt, media_data)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
304
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
305
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
306 @implementer(iwokkel.IDisco)
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
307 class XEP_0293_handler(XMPPHandler):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
308 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
309 return [disco.DiscoFeature(NS_JINGLE_RTP_RTCP_FB)]
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
310
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
311 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
fce92ba311f4 plugin XEP-0293: "Jingle RTP Feedback Negotiation" implementation:
Goffi <goffi@goffi.org>
parents:
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312 return []