libervia-backend: libervia/frontends/tools/webrtc.py annotate

annotate libervia/frontends/tools/webrtc.py @ 4204:879bad48cc2d

frontends (tools/webrtc): implement X11 desktop sharing: rel 433

author	Goffi <goffi@goffi.org>
date	Tue, 16 Jan 2024 10:42:00 +0100
parents	60d107f2178a
children	17a8168966f9

rev	line source
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	3 # Libervia WebRTC implementation
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	5
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	10
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	15
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	18
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	19 import gi
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	20 gi.require_versions({
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	21 "Gst": "1.0",
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 "GstWebRTC": "1.0"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	23 })
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	24 from gi.repository import Gst, GstWebRTC, GstSdp
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	25
4145 970b6209526a frontends (tools/webrtc): Better message on Python override missing: Goffi <goffi@goffi.org> parents: 4139 diff changeset	26 from libervia.backend.core import exceptions
970b6209526a frontends (tools/webrtc): Better message on Python override missing: Goffi <goffi@goffi.org> parents: 4139 diff changeset	27
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	28 try:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 from gi.overrides import Gst as _
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	30 except ImportError:
4145 970b6209526a frontends (tools/webrtc): Better message on Python override missing: Goffi <goffi@goffi.org> parents: 4139 diff changeset	31 raise exceptions.MissingModule(
970b6209526a frontends (tools/webrtc): Better message on Python override missing: Goffi <goffi@goffi.org> parents: 4139 diff changeset	32 "No GStreamer Python overrides available. Please install relevant packages on "
970b6209526a frontends (tools/webrtc): Better message on Python override missing: Goffi <goffi@goffi.org> parents: 4139 diff changeset	33 "your system (e.g., `python3-gst-1.0` on Debian and derivatives)."
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	34 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	35 import asyncio
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	36 from dataclasses import dataclass
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	37 from datetime import datetime
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	38 import logging
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 import re
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 from typing import Callable
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 from urllib.parse import quote_plus
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	42
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 from libervia.backend.tools.common import data_format
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	44 from libervia.frontends.tools import aio, display_servers
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	45
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	46 current_server = display_servers.detect()
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	47 if current_server == display_servers.X11:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	48 # GSTreamer's ximagesrc documentation asks to run this function
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	49 import ctypes
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	50 ctypes.CDLL('libX11.so.6').XInitThreads()
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	51
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	52
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	53 log = logging.getLogger(__name__)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	54
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	55 Gst.init(None)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	56
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 SOURCES_AUTO = "auto"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	58 SOURCES_TEST = "test"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 SINKS_APP = "app"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	60 SINKS_AUTO = "auto"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	61 SINKS_TEST = "test"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	62
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	63
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	64 @dataclass
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	65 class AppSinkData:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 local_video_cb: Callable
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	67 remote_video_cb: Callable
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	68
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	69
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	70 class WebRTC:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	71 """GSTreamer based WebRTC implementation for audio and video communication.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	72
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	73 This class encapsulates the WebRTC functionalities required for initiating and
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	74 handling audio and video calls.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	75 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	76
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	77 def __init__(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	78 self,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	79 bridge,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	80 profile: str,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	81 sources: str = SOURCES_AUTO,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	82 sinks: str = SINKS_AUTO,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	83 appsink_data: AppSinkData \| None = None,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	84 reset_cb: Callable \| None = None,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 ) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	86 self.main_loop = asyncio.get_event_loop()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	87 self.bridge = bridge
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 self.profile = profile
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 self.pipeline = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	90 self._audio_muted = False
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 self._video_muted = False
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	92 self._desktop_sharing = False
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	93 self.desktop_sharing_data = None
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 self.sources = sources
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	95 self.sinks = sinks
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	96 if sinks == SINKS_APP:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 self.appsink_data = appsink_data
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 elif appsink_data is not None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	99 raise exceptions.InternalError(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	100 "appsink_data can only be used for SINKS_APP sinks"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	101 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	102 self.reset_cb = reset_cb
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	103 self.reset_instance()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	104
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	105 @property
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	106 def audio_muted(self):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	107 return self._audio_muted
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	108
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	109 @audio_muted.setter
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	110 def audio_muted(self, muted: bool) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	111 if muted != self._audio_muted:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	112 self._audio_muted = muted
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	113 self.on_audio_mute(muted)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	114
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	115 @property
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	116 def video_muted(self):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	117 return self._video_muted
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	118
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	119 @video_muted.setter
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	120 def video_muted(self, muted: bool) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 if muted != self._video_muted:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 self._video_muted = muted
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	123 self.on_video_mute(muted)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	124
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 @property
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	126 def desktop_sharing(self):
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	127 return self._desktop_sharing
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	128
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	129 @desktop_sharing.setter
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	130 def desktop_sharing(self, active: bool) -> None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	131 if active != self._desktop_sharing:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	132 self._desktop_sharing = active
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	133 self.on_desktop_switch(active)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	134
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	135 @property
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	136 def sdp_set(self):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 return self._sdp_set
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	138
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	139 @sdp_set.setter
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 def sdp_set(self, is_set: bool):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 self._sdp_set = is_set
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 if is_set:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 self.on_ice_candidates_new(self.remote_candidates_buffer)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	144 for data in self.remote_candidates_buffer.values():
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	145 data["candidates"].clear()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	146
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	147 @property
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	148 def media_types(self):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 if self._media_types is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	150 raise Exception("self._media_types should not be None!")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	151 return self._media_types
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	152
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 @media_types.setter
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 def media_types(self, new_media_types: dict) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	155 self._media_types = new_media_types
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 self._media_types_inv = {v: k for k, v in new_media_types.items()}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	157
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	158 @property
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 def media_types_inv(self) -> dict:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 if self._media_types_inv is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 raise Exception("self._media_types_inv should not be None!")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 return self._media_types_inv
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	163
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	164 def generate_dot_file(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 self,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 filename: str = "pipeline",
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	167 details: Gst.DebugGraphDetails = Gst.DebugGraphDetails.ALL,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 with_timestamp: bool = True,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 bin_: Gst.Bin\|None = None,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 ) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 """Generate Dot File for debugging
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	172
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 ``GST_DEBUG_DUMP_DOT_DIR`` environment variable must be set to destination dir.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 ``dot -Tpng -o <filename>.png <filename>.dot`` can be use to convert to a PNG file.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 See
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 https://gstreamer.freedesktop.org/documentation/gstreamer/debugutils.html?gi-language=python#GstDebugGraphDetails
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 for details.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	178
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 @param filename: name of the generated file
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 @param details: which details to print
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 @param with_timestamp: if True, add a timestamp to filename
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 @param bin_: which bin to output. By default, the whole pipeline
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 (``self.pipeline``) will be used.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 if bin_ is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 bin_ = self.pipeline
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 if with_timestamp:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 timestamp = datetime.now().isoformat(timespec='milliseconds')
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 filename = f"{timestamp}_filename"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	190
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 Gst.debug_bin_to_dot_file(bin_, details, filename)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	192
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 def get_sdp_mline_index(self, media_type: str) -> int:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	194 """Gets the sdpMLineIndex for a given media type.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	195
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 @param media_type: The type of the media.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 for index, m_type in self.media_types.items():
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	199 if m_type == media_type:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 return index
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 raise ValueError(f"Media type '{media_type}' not found")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	202
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 def _set_media_types(self, offer_sdp: str) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 """Sets media types from offer SDP
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	205
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 @param offer: RTC session description containing the offer
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	207 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 sdp_lines = offer_sdp.splitlines()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 media_types = {}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 mline_index = 0
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	211
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	212 for line in sdp_lines:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 if line.startswith("m="):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 media_types[mline_index] = line[2 : line.find(" ")]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 mline_index += 1
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	216
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 self.media_types = media_types
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	218
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 def _a_call(self, method, args, *kwargs):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 """Call an async method in main thread"""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	221 aio.run_from_thread(method, args, *kwargs, loop=self.main_loop)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	222
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 def get_payload_types(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 self, sdpmsg, video_encoding: str, audio_encoding: str
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 ) -> dict[str, int \| None]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 """Find the payload types for the specified video and audio encoding.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	227
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 Very simplistically finds the first payload type matching the encoding
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 name. More complex applications will want to match caps on
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 profile-level-id, packetization-mode, etc.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	231 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 # method coming from gstreamer example (Matthew Waters, Nirbheek Chauhan) at
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 # subprojects/gst-examples/webrtc/sendrecv/gst/webrtc_sendrecv.py
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 video_pt = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	235 audio_pt = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 for i in range(0, sdpmsg.medias_len()):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 media = sdpmsg.get_media(i)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	238 for j in range(0, media.formats_len()):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	239 fmt = media.get_format(j)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	240 if fmt == "webrtc-datachannel":
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 continue
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	242 pt = int(fmt)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	243 caps = media.get_caps_from_media(pt)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	244 s = caps.get_structure(0)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	245 encoding_name = s["encoding-name"]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 if video_pt is None and encoding_name == video_encoding:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	247 video_pt = pt
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	248 elif audio_pt is None and encoding_name == audio_encoding:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	249 audio_pt = pt
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 return {video_encoding: video_pt, audio_encoding: audio_pt}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	251
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 def parse_ice_candidate(self, candidate_string):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	253 """Parses the ice candidate string.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	254
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 @param candidate_string: The ice candidate string to be parsed.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 pattern = re.compile(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 r"candidate:(?P<foundation>\S+) (?P<component_id>\d+) (?P<transport>\S+) "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	259 r"(?P<priority>\d+) (?P<address>\S+) (?P<port>\d+) typ "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 r"(?P<type>\S+)(?: raddr (?P<rel_addr>\S+) rport "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 r"(?P<rel_port>\d+))?(?: generation (?P<generation>\d+))?"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 match = pattern.match(candidate_string)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 if match:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 candidate_dict = match.groupdict()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	266
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 # Apply the correct types to the dictionary values
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	268 candidate_dict["component_id"] = int(candidate_dict["component_id"])
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 candidate_dict["priority"] = int(candidate_dict["priority"])
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 candidate_dict["port"] = int(candidate_dict["port"])
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	271
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 if candidate_dict["rel_port"]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 candidate_dict["rel_port"] = int(candidate_dict["rel_port"])
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	274
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 if candidate_dict["generation"]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 candidate_dict["generation"] = candidate_dict["generation"]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	277
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 # Remove None values
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 return {k: v for k, v in candidate_dict.items() if v is not None}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 log.warning(f"can't parse candidate: {candidate_string!r}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 return None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	283
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 def build_ice_candidate(self, parsed_candidate):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 """Builds ICE candidate
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	286
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	287 @param parsed_candidate: Dictionary containing parsed ICE candidate
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	289 base_format = (
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	290 "candidate:{foundation} {component_id} {transport} {priority} "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 "{address} {port} typ {type}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	293
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 if parsed_candidate.get("rel_addr") and parsed_candidate.get("rel_port"):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	295 base_format += " raddr {rel_addr} rport {rel_port}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	296
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 if parsed_candidate.get("generation"):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 base_format += " generation {generation}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	299
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 return base_format.format(**parsed_candidate)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	301
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	302 def extract_ufrag_pwd(self, sdp: str) -> tuple[str, str]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 """Retrieves ICE password and user fragment for SDP offer.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	304
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 @param sdp: The Session Description Protocol offer string.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 @return: ufrag and pwd
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 @raise ValueError: Can't extract ufrag and password
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	308 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 ufrag_line = re.search(r"ice-ufrag:(\S+)", sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 pwd_line = re.search(r"ice-pwd:(\S+)", sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	311
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	312 if ufrag_line and pwd_line:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 ufrag = self.ufrag = ufrag_line.group(1)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 pwd = self.pwd = pwd_line.group(1)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 return ufrag, pwd
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 log.error(f"SDP with missing ice-ufrag or ice-pwd:\n{sdp}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 raise ValueError("Can't extract ice-ufrag and ice-pwd from SDP")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	319
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	320 def reset_instance(self):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 """Inits or resets the instance variables to their default state."""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 self.role: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 if self.pipeline is not None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 self.pipeline.set_state(Gst.State.NULL)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 self.pipeline = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 self._remote_video_pad = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 self.sid: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 self.offer: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 self.local_candidates_buffer = {}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 self.ufrag: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 self.pwd: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	332 self.callee: str \| None = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 self._media_types = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 self._media_types_inv = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 self._sdp_set: bool = False
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 self.remote_candidates_buffer: dict[str, dict[str, list]] = {
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 "audio": {"candidates": []},
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 "video": {"candidates": []},
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 }
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 self._media_types = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	341 self._media_types_inv = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 self.audio_valve = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 self.video_valve = None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	344 if self.reset_cb is not None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 self.reset_cb()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	346
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	347
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 async def setup_call(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 self,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 role: str,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 audio_pt: int \| None = 96,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 video_pt: int \| None = 97,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 ) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 """Sets up the call.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	355
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 This method establishes the Gstreamer pipeline for audio and video communication.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	357 The method also manages STUN and TURN server configurations, signal watchers, and
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	358 various connection handlers for the webrtcbin.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	359
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	360 @param role: The role for the call, either 'initiator' or 'responder'.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	361 @param audio_pt: The payload type for the audio stream.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	362 @param video_pt: The payload type for the video stream
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	363
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 @raises NotImplementedError: If audio_pt or video_pt is set to None.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 @raises AssertionError: If the role is not 'initiator' or 'responder'.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 assert role in ("initiator", "responder")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 self.role = role
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	369 if audio_pt is None or video_pt is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 raise NotImplementedError("None value is not handled yet")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	371
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 if self.sources == SOURCES_AUTO:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 video_source_elt = "v4l2src"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 audio_source_elt = "pulsesrc"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 elif self.sources == SOURCES_TEST:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 video_source_elt = "videotestsrc is-live=true pattern=ball"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 audio_source_elt = "audiotestsrc"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	379 raise exceptions.InternalError(f'Unknown "sources" value: {self.sources!r}')
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	380
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 extra_elt = ""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	382
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	383 if self.sinks == SINKS_APP:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 local_video_sink_elt = (
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 "appsink name=local_video_sink emit-signals=true drop=true max-buffers=1 "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 "sync=True"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 elif self.sinks == SINKS_AUTO:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 extra_elt = "compositor name=compositor ! autovideosink"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	390 local_video_sink_elt = """compositor.sink_1"""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	391 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 raise exceptions.InternalError(f"Unknown sinks value {self.sinks!r}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	393
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 self.gst_pipe_desc = f"""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	395 webrtcbin latency=100 name=sendrecv bundle-policy=max-bundle
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	396
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 input-selector name=video_selector
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 ! videorate
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 ! video/x-raw,framerate=30/1
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	400 ! tee name=t
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	401
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 {extra_elt}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	403
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	404 {video_source_elt} name=video_src ! queue leaky=downstream ! video_selector.
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	405 videotestsrc name=muted_src is-live=true pattern=black ! queue leaky=downstream ! video_selector.
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	406
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 t.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	408 ! queue max-size-buffers=5 max-size-time=0 max-size-bytes=0 leaky=downstream
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	409 ! videoconvert
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	410 ! vp8enc deadline=1 keyframe-max-dist=60
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 ! rtpvp8pay picture-id-mode=15-bit
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 ! application/x-rtp,media=video,encoding-name=VP8,payload={video_pt}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 ! sendrecv.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	414
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 t.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	416 ! queue max-size-buffers=5 max-size-time=0 max-size-bytes=0 leaky=downstream
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	417 ! videoconvert
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	418 ! {local_video_sink_elt}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	419
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	420 {audio_source_elt} name=audio_src
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 ! valve
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	422 ! queue max-size-buffers=10 max-size-time=0 max-size-bytes=0 leaky=downstream
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	423 ! audioconvert
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	424 ! audioresample
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	425 ! opusenc audio-type=voice
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 ! rtpopuspay
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	427 ! application/x-rtp,media=audio,encoding-name=OPUS,payload={audio_pt}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	428 ! sendrecv.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	429 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	430
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	431 log.debug(f"Gstreamer pipeline: {self.gst_pipe_desc}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	432
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	433 # Create the pipeline
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	434 self.pipeline = Gst.parse_launch(self.gst_pipe_desc)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	435 if not self.pipeline:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 raise exceptions.InternalError("Failed to create Gstreamer pipeline.")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	437
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	438 self.webrtcbin = self.pipeline.get_by_name("sendrecv")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	439 self.video_src = self.pipeline.get_by_name("video_src")
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	440 self.muted_src = self.pipeline.get_by_name("muted_src")
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	441 self.video_selector = self.pipeline.get_by_name("video_selector")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	442 self.audio_valve = self.pipeline.get_by_name("audio_valve")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	443
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	444 if self.video_muted:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 self.on_video_mute(True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	446 if self.audio_muted:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	447 self.on_audio_mute(True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	448
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	449 # set STUN and TURN servers
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	450 external_disco = data_format.deserialise(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	451 await self.bridge.external_disco_get("", self.profile), type_check=list
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	453
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	454 for server in external_disco:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	455 if server["type"] == "stun":
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	456 if server["transport"] == "tcp":
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	457 log.info(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	458 "ignoring TCP STUN server, GStreamer only support one STUN server"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	459 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	460 url = f"stun://{server['host']}:{server['port']}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	461 log.debug(f"adding stun server: {url}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	462 self.webrtcbin.set_property("stun-server", url)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	463 elif server["type"] == "turn":
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	464 url = "{scheme}://{username}:{password}@{host}:{port}".format(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 scheme="turns" if server["transport"] == "tcp" else "turn",
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	466 username=quote_plus(server["username"]),
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	467 password=quote_plus(server["password"]),
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	468 host=server["host"],
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	469 port=server["port"],
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 log.debug(f"adding turn server: {url}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	472
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	473 if not self.webrtcbin.emit("add-turn-server", url):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	474 log.warning(f"Erreur while adding TURN server {url}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	475
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	476 # local video feedback
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	477 if self.sinks == SINKS_APP:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	478 assert self.appsink_data is not None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	479 local_video_sink = self.pipeline.get_by_name("local_video_sink")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 local_video_sink.set_property("emit-signals", True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 local_video_sink.connect("new-sample", self.appsink_data.local_video_cb)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	482 local_video_sink_caps = Gst.Caps.from_string(f"video/x-raw,format=RGB")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	483 local_video_sink.set_property("caps", local_video_sink_caps)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	484
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	485 # Create bus and associate signal watchers
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	486 self.bus = self.pipeline.get_bus()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	487 if not self.bus:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	488 log.error("Failed to get bus from pipeline.")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	489 return
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	490
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	491 self.bus.add_signal_watch()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	492 self.webrtcbin.connect("pad-added", self.on_pad_added)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	493 self.bus.connect("message::error", self.on_bus_error)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	494 self.bus.connect("message::eos", self.on_bus_eos)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	495 self.webrtcbin.connect("on-negotiation-needed", self.on_negotiation_needed)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	496 self.webrtcbin.connect("on-ice-candidate", self.on_ice_candidate)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	497 self.webrtcbin.connect(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	498 "notify::ice-gathering-state", self.on_ice_gathering_state_change
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	499 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	500 self.webrtcbin.connect(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	501 "notify::ice-connection-state", self.on_ice_connection_state
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	502 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	503
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 def start_pipeline(self) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	505 """Starts the GStreamer pipeline."""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 log.debug("starting the pipeline")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	507 self.pipeline.set_state(Gst.State.PLAYING)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	508
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	509 def on_negotiation_needed(self, webrtc):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	510 """Initiate SDP offer when negotiation is needed."""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	511 log.debug("Negotiation needed.")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	512 if self.role == "initiator":
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	513 log.debug("Creating offer…")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	514 promise = Gst.Promise.new_with_change_func(self.on_offer_created)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	515 self.webrtcbin.emit("create-offer", None, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	516
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	517 def on_offer_created(self, promise):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	518 """Callback for when SDP offer is created."""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	519 log.info("on_offer_created called")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	520 assert promise.wait() == Gst.PromiseResult.REPLIED
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	521 reply = promise.get_reply()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	522 if reply is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	523 log.error("Promise reply is None. Offer creation might have failed.")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	524 return
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	525 offer = reply["offer"]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	526 self.offer = offer.sdp.as_text()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	527 log.info(f"SDP offer created: \n{self.offer}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	528 self._set_media_types(self.offer)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	529 promise = Gst.Promise.new()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	530 self.webrtcbin.emit("set-local-description", offer, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	531 promise.interrupt()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	532 self._a_call(self._start_call)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	533
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 def on_answer_set(self, promise):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 assert promise.wait() == Gst.PromiseResult.REPLIED
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	536
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	537 def on_answer_created(self, promise, _, __):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 """Callback for when SDP answer is created."""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	539 assert promise.wait() == Gst.PromiseResult.REPLIED
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	540 reply = promise.get_reply()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 answer = reply["answer"]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 promise = Gst.Promise.new()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	543 self.webrtcbin.emit("set-local-description", answer, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	544 promise.interrupt()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	545 answer_sdp = answer.sdp.as_text()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	546 log.info(f"SDP answer set: \n{answer_sdp}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	547 self.sdp_set = True
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	548 self._a_call(self.bridge.call_answer_sdp, self.sid, answer_sdp, self.profile)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	549
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	550 def on_offer_set(self, promise):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	551 assert promise.wait() == Gst.PromiseResult.REPLIED
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	552 promise = Gst.Promise.new_with_change_func(self.on_answer_created, None, None)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	553 self.webrtcbin.emit("create-answer", None, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	554
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	555 def link_element_or_pad(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	556 self, source: Gst.Element, dest: Gst.Element \| Gst.Pad
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	557 ) -> bool:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	558 """Check if dest is a pad or an element, and link appropriately"""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	559 src_pad = source.get_static_pad("src")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	560
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	561 if isinstance(dest, Gst.Pad):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	562 # If the dest is a pad, link directly
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	563 if not src_pad.link(dest) == Gst.PadLinkReturn.OK:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	564 log.error(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	565 "Failed to link 'conv' to the compositor's newly requested pad!"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	566 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	567 return False
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	568 elif isinstance(dest, Gst.Element):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	569 return source.link(dest)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	570 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	571 log.error(f"Unexpected type for dest: {type(sink)}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	572 return False
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	573
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	574 return True
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	575
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	576 def scaled_dimensions(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	577 self, original_width: int, original_height: int, max_width: int, max_height: int
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	578 ) -> tuple[int, int]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	579 """Calculates the scaled dimensions preserving aspect ratio.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	580
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	581 @param original_width: Original width of the video stream.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	582 @param original_height: Original height of the video stream.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	583 @param max_width: Maximum desired width for the scaled video.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	584 @param max_height: Maximum desired height for the scaled video.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	585 @return: The width and height of the scaled video.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	586 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	587 aspect_ratio = original_width / original_height
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	588 new_width = int(max_height * aspect_ratio)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	589
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	590 if new_width <= max_width:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	591 return new_width, max_height
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	592
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	593 new_height = int(max_width / aspect_ratio)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	594 return max_width, new_height
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	595
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	596 def on_remote_decodebin_stream(self, _, pad: Gst.Pad) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	597 """Handle the stream from the remote decodebin.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	598
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	599 This method processes the incoming stream from the remote decodebin, determining
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	600 whether it's video or audio. It then sets up the appropriate GStreamer elements
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	601 for video/audio processing and adds them to the pipeline.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	602
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	603 @param pad: The Gst.Pad from the remote decodebin producing the stream.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	604 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	605 assert self.pipeline is not None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	606 if not pad.has_current_caps():
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	607 log.error(f"{pad} has no caps, ignoring")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	608 return
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	609
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	610 caps = pad.get_current_caps()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	611 assert len(caps)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	612 s = caps[0]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	613 name = s.get_name()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	614 log.debug(f"====> NAME START: {name}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	615
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	616 q = Gst.ElementFactory.make("queue")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	617
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	618 if name.startswith("video"):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	619 log.debug("===> VIDEO OK")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	620
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	621 self._remote_video_pad = pad
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	622
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	623 # Check and log the original size of the video
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	624 width = s.get_int("width").value
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	625 height = s.get_int("height").value
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	626 log.info(f"Original video size: {width}x{height}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	627
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	628 # This is a fix for an issue found with Movim on desktop: a non standard
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	629 # resolution is used (990x557) resulting in bad alignement and no color in
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	630 # rendered image
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	631 adjust_resolution = width % 4 != 0 or height % 4 != 0
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	632 if adjust_resolution:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	633 log.info("non standard resolution, we need to adjust size")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	634 width = (width + 3) // 4 * 4
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	635 height = (height + 3) // 4 * 4
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	636 log.info(f"Adjusted video size: {width}x{height}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	637
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	638 conv = Gst.ElementFactory.make("videoconvert")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	639 if self.sinks == SINKS_APP:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	640 assert self.appsink_data is not None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	641 remote_video_sink = Gst.ElementFactory.make("appsink")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	642
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	643 appsink_caps = Gst.Caps.from_string("video/x-raw,format=RGB")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	644 remote_video_sink.set_property("caps", appsink_caps)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	645
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	646 remote_video_sink.set_property("emit-signals", True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	647 remote_video_sink.set_property("drop", True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	648 remote_video_sink.set_property("max-buffers", 1)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	649 remote_video_sink.set_property("sync", True)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	650 remote_video_sink.connect("new-sample", self.appsink_data.remote_video_cb)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	651 self.pipeline.add(remote_video_sink)
4146 60d107f2178a frontends (tools/webrtc): fix `SINKS_APP` condition check. Goffi <goffi@goffi.org> parents: 4145 diff changeset	652 elif self.sinks == SINKS_AUTO:
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	653 compositor = self.pipeline.get_by_name("compositor")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	654
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	655 sink1_pad = compositor.get_static_pad("sink_1")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	656
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	657 local_width, local_height = self.scaled_dimensions(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	658 sink1_pad.get_property("width"),
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	659 sink1_pad.get_property("height"),
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	660 width // 3,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	661 height // 3,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	662 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	663
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	664 sink1_pad.set_property("xpos", width - local_width)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	665 sink1_pad.set_property("ypos", height - local_height)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	666 sink1_pad.set_property("width", local_width)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	667 sink1_pad.set_property("height", local_height)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	668 sink1_pad.set_property("zorder", 1)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	669
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	670 # Request a new pad for the remote stream
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	671 sink_pad_template = compositor.get_pad_template("sink_%u")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	672 remote_video_sink = compositor.request_pad(sink_pad_template, None, None)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	673 remote_video_sink.set_property("zorder", 0)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	674
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	675 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	676 raise exceptions.InternalError(f'Unhandled "sinks" value: {self.sinks!r}')
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	677
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	678 if adjust_resolution:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	679 videoscale = Gst.ElementFactory.make("videoscale")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	680 adjusted_caps = Gst.Caps.from_string(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	681 f"video/x-raw,width={width},height={height}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	682 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	683 capsfilter = Gst.ElementFactory.make("capsfilter")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	684 capsfilter.set_property("caps", adjusted_caps)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	685
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	686 self.pipeline.add(q, conv, videoscale, capsfilter)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	687
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	688
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	689 self.pipeline.sync_children_states()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	690 ret = pad.link(q.get_static_pad("sink"))
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	691 if ret != Gst.PadLinkReturn.OK:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	692 log.error(f"Error linking pad: {ret}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	693 q.link(conv)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	694 conv.link(videoscale)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	695 videoscale.link(capsfilter)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	696 self.link_element_or_pad(capsfilter.link, remote_video_sink)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	697
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	698 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	699 self.pipeline.add(q, conv)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	700
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	701 self.pipeline.sync_children_states()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	702 ret = pad.link(q.get_static_pad("sink"))
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	703 if ret != Gst.PadLinkReturn.OK:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	704 log.error(f"Error linking pad: {ret}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	705 q.link(conv)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	706 self.link_element_or_pad(conv, remote_video_sink)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	707
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	708 elif name.startswith("audio"):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	709 log.debug("===> Audio OK")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	710 conv = Gst.ElementFactory.make("audioconvert")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	711 resample = Gst.ElementFactory.make("audioresample")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	712 remote_audio_sink = Gst.ElementFactory.make("autoaudiosink")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	713 self.pipeline.add(q, conv, resample, remote_audio_sink)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	714 self.pipeline.sync_children_states()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	715 ret = pad.link(q.get_static_pad("sink"))
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	716 if ret != Gst.PadLinkReturn.OK:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	717 log.error(f"Error linking pad: {ret}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	718 q.link(conv)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	719 conv.link(resample)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	720 resample.link(remote_audio_sink)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	721
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	722 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	723 log.warning(f"unmanaged name: {name!r}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	724
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	725 def on_pad_added(self, __, pad: Gst.Pad) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	726 """Handle the addition of a new pad to the element.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	727
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	728 When a new source pad is added to the element, this method creates a decodebin,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	729 connects it to handle the stream, and links the pad to the decodebin.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	730
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	731 @param __: Placeholder for the signal source. Not used in this method.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	732 @param pad: The newly added pad.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	733 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	734 log.debug("on_pad_added")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	735 if pad.direction != Gst.PadDirection.SRC:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	736 return
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	737
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	738 decodebin = Gst.ElementFactory.make("decodebin")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	739 decodebin.connect("pad-added", self.on_remote_decodebin_stream)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	740 self.pipeline.add(decodebin)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	741 decodebin.sync_state_with_parent()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	742 pad.link(decodebin.get_static_pad("sink"))
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	743
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	744 async def _start_call(self) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	745 """Initiate the call.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	746
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	747 Initiates a call with the callee using the stored offer. If there are any buffered
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	748 local ICE candidates, they are sent as part of the initiation.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	749 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	750 assert self.callee
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	751 self.sid = await self.bridge.call_start(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	752 str(self.callee), data_format.serialise({"sdp": self.offer}), self.profile
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	753 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	754 if self.local_candidates_buffer:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	755 log.debug(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	756 f"sending buffered local ICE candidates: {self.local_candidates_buffer}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	757 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	758 if self.pwd is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	759 sdp = self.webrtcbin.props.local_description.sdp.as_text()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	760 self.extract_ufrag_pwd(sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	761 ice_data = {}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	762 for media_type, candidates in self.local_candidates_buffer.items():
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	763 ice_data[media_type] = {
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	764 "ufrag": self.ufrag,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	765 "pwd": self.pwd,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	766 "candidates": candidates,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	767 }
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	768 await self.bridge.ice_candidates_add(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	769 self.sid, data_format.serialise(ice_data), self.profile
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	770 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	771 self.local_candidates_buffer.clear()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	772
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	773 def _remote_sdp_set(self, promise) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	774 assert promise.wait() == Gst.PromiseResult.REPLIED
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	775 self.sdp_set = True
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	776
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	777 def on_accepted_call(self, sdp: str, profile: str) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	778 """Outgoing call has been accepted.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	779
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	780 @param sdp: The SDP answer string received from the other party.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	781 @param profile: Profile used for the call.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	782 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	783 log.debug(f"SDP answer received: \n{sdp}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	784
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	785 __, sdpmsg = GstSdp.SDPMessage.new_from_text(sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	786 answer = GstWebRTC.WebRTCSessionDescription.new(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	787 GstWebRTC.WebRTCSDPType.ANSWER, sdpmsg
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	788 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	789 promise = Gst.Promise.new_with_change_func(self._remote_sdp_set)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	790 self.webrtcbin.emit("set-remote-description", answer, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	791
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	792 async def answer_call(self, sdp: str, profile: str) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	793 """Answer an incoming call
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	794
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	795 @param sdp: The SDP offer string received from the initiator.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	796 @param profile: Profile used for the call.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	797
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	798 @raise AssertionError: Raised when either "VP8" or "OPUS" is not present in
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	799 payload types.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	800 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	801 log.debug(f"SDP offer received: \n{sdp}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	802 self._set_media_types(sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	803 __, offer_sdp_msg = GstSdp.SDPMessage.new_from_text(sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	804 payload_types = self.get_payload_types(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	805 offer_sdp_msg, video_encoding="VP8", audio_encoding="OPUS"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	806 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	807 assert "VP8" in payload_types
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	808 assert "OPUS" in payload_types
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	809 await self.setup_call(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	810 "responder", audio_pt=payload_types["OPUS"], video_pt=payload_types["VP8"]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	811 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	812 self.start_pipeline()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	813 offer = GstWebRTC.WebRTCSessionDescription.new(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	814 GstWebRTC.WebRTCSDPType.OFFER, offer_sdp_msg
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	815 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	816 promise = Gst.Promise.new_with_change_func(self.on_offer_set)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	817 self.webrtcbin.emit("set-remote-description", offer, promise)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	818
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	819 def on_ice_candidate(self, webrtc, mline_index, candidate_sdp):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	820 """Handles the on-ice-candidate signal of webrtcbin.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	821
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	822 @param webrtc: The webrtcbin element.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	823 @param mlineindex: The mline index.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	824 @param candidate: The ICE candidate.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	825 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	826 log.debug(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	827 f"Local ICE candidate. MLine Index: {mline_index}, Candidate: {candidate_sdp}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	828 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	829 parsed_candidate = self.parse_ice_candidate(candidate_sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	830 try:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	831 media_type = self.media_types[mline_index]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	832 except KeyError:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	833 raise exceptions.InternalError("can't find media type")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	834
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	835 if self.sid is None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	836 log.debug("buffering local ICE candidate")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	837 self.local_candidates_buffer.setdefault(media_type, []).append(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	838 parsed_candidate
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	839 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	840 else:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	841 sdp = self.webrtcbin.props.local_description.sdp.as_text()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	842 assert sdp is not None
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	843 ufrag, pwd = self.extract_ufrag_pwd(sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	844 ice_data = {"ufrag": ufrag, "pwd": pwd, "candidates": [parsed_candidate]}
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	845 self._a_call(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	846 self.bridge.ice_candidates_add,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	847 self.sid,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	848 data_format.serialise({media_type: ice_data}),
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	849 self.profile,
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	850 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	851
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	852 def on_ice_candidates_new(self, candidates: dict) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	853 """Handle new ICE candidates.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	854
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	855 @param candidates: A dictionary containing media types ("audio" or "video") as
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	856 keys and corresponding ICE data as values.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	857
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	858 @raise exceptions.InternalError: Raised when sdp mline index is not found.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	859 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	860 if not self.sdp_set:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	861 log.debug("buffering remote ICE candidate")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	862 for media_type in ("audio", "video"):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	863 media_candidates = candidates.get(media_type)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	864 if media_candidates:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	865 buffer = self.remote_candidates_buffer[media_type]
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	866 buffer["candidates"].extend(media_candidates["candidates"])
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	867 return
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	868 for media_type, ice_data in candidates.items():
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	869 for candidate in ice_data["candidates"]:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	870 candidate_sdp = self.build_ice_candidate(candidate)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	871 try:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	872 mline_index = self.get_sdp_mline_index(media_type)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	873 except Exception as e:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	874 raise exceptions.InternalError(f"Can't find sdp mline index: {e}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	875 self.webrtcbin.emit("add-ice-candidate", mline_index, candidate_sdp)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	876 log.debug(
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	877 f"Remote ICE candidate added. MLine Index: {mline_index}, "
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	878 f"{candidate_sdp}"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	879 )
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	880
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	881 def on_ice_gathering_state_change(self, pspec, __):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	882 state = self.webrtcbin.get_property("ice-gathering-state")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	883 log.debug(f"ICE gathering state changed to {state}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	884
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	885 def on_ice_connection_state(self, pspec, __):
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	886 state = self.webrtcbin.props.ice_connection_state
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	887 if state == GstWebRTC.WebRTCICEConnectionState.FAILED:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	888 log.error("ICE connection failed")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	889 log.info(f"ICE connection state changed to {state}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	890
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	891 def on_bus_error(self, bus: Gst.Bus, message: Gst.Message) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	892 """Handles the GStreamer bus error messages.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	893
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	894 @param bus: The GStreamer bus.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	895 @param message: The error message.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	896 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	897 err, debug = message.parse_error()
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	898 log.error(f"Error from {message.src.get_name()}: {err.message}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	899 log.error(f"Debugging info: {debug}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	900
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	901 def on_bus_eos(self, bus: Gst.Bus, message: Gst.Message) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	902 """Handles the GStreamer bus eos messages.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	903
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	904 @param bus: The GStreamer bus.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	905 @param message: The eos message.
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	906 """
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	907 log.info("End of stream")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	908
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	909 def on_audio_mute(self, muted: bool) -> None:
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	910 """Handles (un)muting of audio.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	911
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	912 @param muted: True if audio is muted.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	913 """
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	914 if self.audio_valve is not None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	915 self.audio_valve.set_property("drop", muted)
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	916 state = "muted" if muted else "unmuted"
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	917 log.info(f"audio is now {state}")
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	918
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	919 def on_video_mute(self, muted: bool) -> None:
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	920 """Handles (un)muting of video.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	921
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	922 @param muted: True if video is muted.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	923 """
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	924 if self.video_selector is not None:
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	925 current_source = None if muted else "desktop" if self.desktop_sharing else "camera"
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	926 self.switch_video_source(current_source)
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	927 state = "muted" if muted else "unmuted"
4204 879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	928 log.info(f"Video is now {state}")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	929
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	930 def on_desktop_switch(self, desktop_active: bool) -> None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	931 """Switches the video source between desktop and camera.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	932
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	933 @param desktop_active: True if desktop must be active. False for camera.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	934 """
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	935 if self.video_muted:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	936 # Update the active source state but do not switch
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	937 self.desktop_sharing = desktop_active
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	938 return
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	939
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	940 source = "desktop" if desktop_active else "camera"
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	941 self.switch_video_source(source)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	942 self.desktop_sharing = desktop_active
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	943
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	944 def switch_video_source(self, source: str\|None) -> None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	945 """Activates the specified source while deactivating the others.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	946
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	947 @param source: 'desktop', 'camera', 'muted' or None for muted source.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	948 """
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	949 if source is None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	950 source = "muted"
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	951 if source not in ["camera", "muted", "desktop"]:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	952 raise ValueError(
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	953 f"Invalid source: {source!r}, use one of {'camera', 'muted', 'desktop'}"
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	954 )
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	955
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	956 self.pipeline.set_state(Gst.State.PAUSED)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	957
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	958 # Create a new desktop source if necessary
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	959 if source == "desktop":
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	960 self._setup_desktop_source(self.desktop_sharing_data)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	961
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	962 # Activate the chosen source and deactivate the others
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	963 for src_name in ["camera", "muted", "desktop"]:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	964 src_element = self.pipeline.get_by_name(f"{src_name}_src")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	965 if src_name == source:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	966 if src_element:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	967 src_element.set_state(Gst.State.PLAYING)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	968 else:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	969 if src_element:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	970 src_element.set_state(Gst.State.NULL)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	971 if src_name == "desktop":
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	972 self._remove_desktop_source(src_element)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	973
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	974 # Set the video_selector active pad
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	975 pad_name = f"sink_{['camera', 'muted', 'desktop'].index(source)}"
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	976 pad = self.video_selector.get_static_pad(pad_name)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	977 self.video_selector.props.active_pad = pad
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	978 self.pipeline.set_state(Gst.State.PLAYING)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	979
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	980 def _setup_desktop_source(self, properties: dict[str, object]\|None) -> None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	981 """Set up a new desktop source.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	982
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	983 @param properties: The properties to set on the desktop source.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	984 """
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	985 desktop_src = Gst.ElementFactory.make("ximagesrc", "desktop_src")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	986 if properties is None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	987 properties = {}
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	988 for key, value in properties.items():
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	989 log.debug(f"setting ximagesrc property: {key!r}={value!r}")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	990 desktop_src.set_property(key, value)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	991 video_convert = Gst.ElementFactory.make("videoconvert", "desktop_videoconvert")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	992 queue = Gst.ElementFactory.make("queue", "desktop_queue")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	993 queue.set_property("leaky", "downstream")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	994
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	995 self.pipeline.add(desktop_src)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	996 self.pipeline.add(video_convert)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	997 self.pipeline.add(queue)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	998
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	999 desktop_src.link(video_convert)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1000 video_convert.link(queue)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1001
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1002 sink_pad_template = self.video_selector.get_pad_template("sink_%u")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1003 sink_pad = self.video_selector.request_pad(sink_pad_template, None, None)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1004 queue_src_pad = queue.get_static_pad("src")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1005 queue_src_pad.link(sink_pad)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1006
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1007 desktop_src.sync_state_with_parent()
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1008 video_convert.sync_state_with_parent()
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1009 queue.sync_state_with_parent()
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1010
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1011 def _remove_desktop_source(self, desktop_src: Gst.Element) -> None:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1012 """Remove the desktop source from the pipeline.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1013
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1014 @param desktop_src: The desktop source to remove.
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1015 """
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1016 # Remove elements for the desktop source
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1017 video_convert = self.pipeline.get_by_name("desktop_videoconvert")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1018 queue = self.pipeline.get_by_name("desktop_queue")
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1019 if video_convert:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1020 video_convert.set_state(Gst.State.NULL)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1021 desktop_src.unlink(video_convert)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1022 self.pipeline.remove(video_convert)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1023 if queue:
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1024 queue.set_state(Gst.State.NULL)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1025 self.pipeline.remove(queue)
879bad48cc2d frontends (tools/webrtc): implement X11 desktop sharing: Goffi <goffi@goffi.org> parents: 4146 diff changeset	1026 self.pipeline.remove(desktop_src)
4139 6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	1027
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	1028 async def end_call(self) -> None:
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	1029 """Stop streaming and clean instance"""
6745c6bd4c7a frontends (tools): webrtc implementation: Goffi <goffi@goffi.org> parents: diff changeset	1030 self.reset_instance()

Mercurial > libervia-backend

annotate libervia/frontends/tools/webrtc.py @ 4204:879bad48cc2d