Mercurial > libervia-backend
annotate libervia/cli/call_gui.py @ 4242:8acf46ed7f36
frontends: remote control implementation:
This is the frontends common part of remote control implementation. It handle the creation
of WebRTC session, and management of inputs. For now the reception use freedesktop.org
Desktop portal, and works mostly with Wayland based Desktop Environments.
rel 436
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 11 May 2024 13:52:43 +0200 |
| parents | 79c8a70e1813 |
| children | 0d7bb4df2343 |
| rev | line source |
|---|---|
| 4206 | 1 #!/usr/bin/env python3 |
| 2 | |
| 3 # Libervia CLI | |
| 4 # Copyright (C) 2009-2024 Jérôme Poisson (goffi@goffi.org) | |
| 5 | |
| 6 # This program is free software: you can redistribute it and/or modify | |
| 7 # it under the terms of the GNU Affero General Public License as published by | |
| 8 # the Free Software Foundation, either version 3 of the License, or | |
| 9 # (at your option) any later version. | |
| 10 | |
| 11 # This program is distributed in the hope that it will be useful, | |
| 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 # GNU Affero General Public License for more details. | |
| 15 | |
| 16 # You should have received a copy of the GNU Affero General Public License | |
| 17 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 import asyncio | |
| 20 from functools import partial | |
| 21 from pathlib import Path | |
| 22 from typing import Callable, cast | |
| 23 | |
| 24 from PyQt6.QtCore import QPoint, QSize, Qt | |
| 25 from PyQt6.QtGui import ( | |
| 26 QCloseEvent, | |
| 27 QColor, | |
| 28 QIcon, | |
| 29 QImage, | |
| 30 QPainter, | |
| 31 QPen, | |
| 32 QPixmap, | |
| 33 QResizeEvent, | |
| 34 QTransform, | |
| 35 ) | |
| 36 from PyQt6.QtWidgets import ( | |
| 37 QApplication, | |
| 38 QDialog, | |
| 39 QDialogButtonBox, | |
| 40 QHBoxLayout, | |
| 41 QLabel, | |
| 42 QListWidget, | |
| 43 QListWidgetItem, | |
| 44 QMainWindow, | |
| 45 QPushButton, | |
| 46 QSizePolicy, | |
| 47 QVBoxLayout, | |
| 48 QWidget, | |
| 49 ) | |
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50 import gi |
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51 |
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52 from libervia.backend.core.i18n import _ |
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53 from libervia.frontends.tools import aio, display_servers, webrtc |
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54 gi.require_versions({ |
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55 "Gst": "1.0", |
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56 "GstWebRTC": "1.0" |
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57 }) |
| 4206 | 58 from gi.repository import Gst |
| 59 | |
| 60 | |
| 61 | |
| 62 ICON_SIZE = QSize(45, 45) | |
| 63 BUTTON_SIZE = QSize(50, 50) | |
| 64 running = False | |
| 65 | |
| 66 | |
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67 aio.install_glib_asyncio_iteration() |
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68 |
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69 |
| 4206 | 70 class ActivableButton(QPushButton): |
| 71 def __init__(self, text, parent=None): | |
| 72 super().__init__(parent) | |
| 73 self._activated = True | |
| 74 self._activated_colour = "#47c68e" | |
| 75 self._deactivated_colour = "#ffe089" | |
| 76 self._line_colour = "#ff0000" | |
| 77 self._update_background_color() | |
| 78 | |
| 79 @property | |
| 80 def activated_colour(self) -> str: | |
| 81 return self._activated_colour | |
| 82 | |
| 83 @activated_colour.setter | |
| 84 def activated_colour(self, new_colour: str) -> None: | |
| 85 if new_colour != self._activated_colour: | |
| 86 self._activated_colour = new_colour | |
| 87 self._update_background_color() | |
| 88 | |
| 89 @property | |
| 90 def deactivated_colour(self) -> str: | |
| 91 return self._deactivated_colour | |
| 92 | |
| 93 @deactivated_colour.setter | |
| 94 def deactivated_colour(self, new_colour: str) -> None: | |
| 95 if new_colour != self._deactivated_colour: | |
| 96 self._deactivated_colour = new_colour | |
| 97 self._update_background_color() | |
| 98 | |
| 99 @property | |
| 100 def line_colour(self) -> str: | |
| 101 return self._line_colour | |
| 102 | |
| 103 @line_colour.setter | |
| 104 def line_colour(self, new_colour: str) -> None: | |
| 105 if new_colour != self._line_colour: | |
| 106 self._line_colour = new_colour | |
| 107 self.update() | |
| 108 | |
| 109 def paintEvent(self, a0): | |
| 110 super().paintEvent(a0) | |
| 111 | |
| 112 if not self._activated: | |
| 113 painter = QPainter(self) | |
| 114 painter.setRenderHint(QPainter.RenderHint.Antialiasing) | |
| 115 | |
| 116 line_color = QColor(self._line_colour) | |
| 117 line_width = 4 | |
| 118 cap_style = Qt.PenCapStyle.RoundCap | |
| 119 | |
| 120 pen = QPen(line_color, line_width, Qt.PenStyle.SolidLine) | |
| 121 pen.setCapStyle(cap_style) | |
| 122 painter.setPen(pen) | |
| 123 | |
| 124 margin = 5 | |
| 125 start_point = QPoint(margin, self.height() - margin) | |
| 126 end_point = QPoint(self.width() - margin, margin) | |
| 127 painter.drawLine(start_point, end_point) | |
| 128 | |
| 129 def _update_background_color(self): | |
| 130 if self._activated: | |
| 131 self.setStyleSheet(f"background-color: {self._activated_colour};") | |
| 132 else: | |
| 133 self.setStyleSheet(f"background-color: {self._deactivated_colour};") | |
| 134 self.update() | |
| 135 | |
| 136 @property | |
| 137 def activated(self): | |
| 138 return self._activated | |
| 139 | |
| 140 @activated.setter | |
| 141 def activated(self, value): | |
| 142 if self._activated != value: | |
| 143 self._activated = value | |
| 144 self._update_background_color() | |
| 145 | |
| 146 | |
| 147 class X11DesktopScreenDialog(QDialog): | |
| 148 def __init__(self, windows_data, parent=None): | |
| 149 super().__init__(parent) | |
| 150 self.__a_result = asyncio.get_running_loop().create_future() | |
| 151 self.setWindowTitle("Please select a window to share:") | |
| 152 self.resize(400, 300) | |
| 153 self.list_widget = QListWidget(self) | |
| 154 for window_data in windows_data: | |
| 155 item = QListWidgetItem(window_data["title"]) | |
| 156 item.setData(Qt.ItemDataRole.UserRole, window_data) | |
| 157 self.list_widget.addItem(item) | |
| 158 | |
| 159 self.buttonBox = QDialogButtonBox( | |
| 160 QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel | |
| 161 ) | |
| 162 self.buttonBox.accepted.connect(self.on_accepted) | |
| 163 self.buttonBox.rejected.connect(self.on_rejected) | |
| 164 | |
| 165 layout = QVBoxLayout(self) | |
| 166 layout.addWidget(self.list_widget) | |
| 167 layout.addWidget(self.buttonBox) | |
| 168 | |
| 169 def get_selected_window(self) -> dict | None: | |
| 170 selectedItem = self.list_widget.currentItem() | |
| 171 if selectedItem: | |
| 172 return selectedItem.data(Qt.ItemDataRole.UserRole) | |
| 173 return None | |
| 174 | |
| 175 def on_accepted(self): | |
| 176 self.__a_result.set_result(self.get_selected_window()) | |
| 177 self.close() | |
| 178 | |
| 179 def on_rejected(self): | |
| 180 self.__a_result.set_result(None) | |
| 181 self.close() | |
| 182 | |
| 183 def closeEvent(self, a0): | |
| 184 super().closeEvent(a0) | |
| 185 if not self.__a_result.done(): | |
| 186 self.__a_result.set_result(None) | |
| 187 | |
| 188 async def a_show(self) -> dict | None: | |
| 189 self.open() | |
| 190 return await self.__a_result | |
| 191 | |
| 192 | |
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193 class AVCallUI(QMainWindow): |
| 4206 | 194 def __init__(self, host, icons_path: Path): |
| 195 super().__init__() | |
| 196 self.host = host | |
| 197 self.webrtc_call = None | |
| 198 self.icons_path = icons_path | |
| 199 self.initUI() | |
| 200 | |
| 201 @staticmethod | |
| 202 async def run_qt_loop(app): | |
| 203 while running: | |
| 204 app.sendPostedEvents() | |
| 205 await asyncio.sleep(0.1) | |
| 206 | |
| 207 @classmethod | |
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208 async def run(cls, parent, call_data): |
| 4206 | 209 """Run PyQt loop and show the app""" |
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210 media_dir = Path(await parent.host.bridge.config_get("", "media_dir")) |
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211 icons_path = media_dir / "fonts/fontello/svg" |
| 4206 | 212 app = QApplication([]) |
| 213 av_call_gui = cls(parent.host, icons_path) | |
| 214 av_call_gui.show() | |
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215 webrtc_call = await webrtc.WebRTCCall.make_webrtc_call( |
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216 parent.host.bridge, |
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217 parent.profile, |
| 4206 | 218 call_data, |
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219 sinks_data=webrtc.SinksApp( |
| 4206 | 220 local_video_cb=partial(av_call_gui.on_new_sample, video_stream="local"), |
| 221 remote_video_cb=partial(av_call_gui.on_new_sample, video_stream="remote"), | |
| 222 ), | |
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223 # we want to be sure that call is ended if user presses `Ctrl + c` or anything |
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224 # else stops the session. |
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225 on_call_setup_cb=lambda sid, profile: parent.host.add_on_quit_callback( |
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226 parent.host.bridge.call_end, sid, "", profile |
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227 ), |
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228 on_call_ended_cb=lambda sid, profile: parent.host.a_quit(), |
| 4206 | 229 ) |
| 230 av_call_gui.webrtc_call = webrtc_call | |
| 231 | |
| 232 global running | |
| 233 running = True | |
| 234 await cls.run_qt_loop(app) | |
| 235 await parent.host.a_quit() | |
| 236 | |
| 237 def initUI(self): | |
| 238 self.setGeometry(100, 100, 800, 600) | |
| 239 self.setWindowTitle("Call") | |
| 240 | |
| 241 # Main layouts | |
| 242 self.background_widget = QWidget(self) | |
| 243 self.foreground_widget = QWidget(self) | |
| 244 self.setCentralWidget(self.background_widget) | |
| 245 back_layout = QVBoxLayout(self.background_widget) | |
| 246 front_layout = QVBoxLayout(self.foreground_widget) | |
| 247 | |
| 248 # Remote video | |
| 249 self.remote_video_widget = QLabel(self) | |
| 250 self.remote_video_widget.setSizePolicy( | |
| 251 QSizePolicy.Policy.Ignored, QSizePolicy.Policy.Ignored | |
| 252 ) | |
| 253 back_layout.addWidget(self.remote_video_widget) | |
| 254 | |
| 255 # Fullscreen button | |
| 256 fullscreen_layout = QHBoxLayout() | |
| 257 front_layout.addLayout(fullscreen_layout) | |
| 258 fullscreen_layout.addStretch() | |
| 259 self.fullscreen_btn = QPushButton("", self) | |
| 260 self.fullscreen_btn.setFixedSize(BUTTON_SIZE) | |
| 261 self.fullscreen_icon_normal = QIcon(str(self.icons_path / "resize-full.svg")) | |
| 262 self.fullscreen_icon_fullscreen = QIcon(str(self.icons_path / "resize-small.svg")) | |
| 263 self.fullscreen_btn.setIcon(self.fullscreen_icon_normal) | |
| 264 self.fullscreen_btn.setIconSize(ICON_SIZE) | |
| 265 self.fullscreen_btn.clicked.connect(self.toggle_fullscreen) | |
| 266 fullscreen_layout.addWidget(self.fullscreen_btn) | |
| 267 | |
| 268 # Control buttons | |
| 269 self.control_buttons_layout = QHBoxLayout() | |
| 270 self.control_buttons_layout.setSpacing(40) | |
| 271 self.toggle_video_btn = cast( | |
| 272 ActivableButton, self.add_control_button("videocam", self.toggle_video) | |
| 273 ) | |
| 274 self.toggle_audio_btn = cast( | |
| 275 ActivableButton, self.add_control_button("volume-up", self.toggle_audio) | |
| 276 ) | |
| 277 self.share_desktop_btn = cast( | |
| 278 ActivableButton, self.add_control_button("desktop", self.share_desktop) | |
| 279 ) | |
| 280 self.share_desktop_btn.deactivated_colour = "#47c68e" | |
| 281 self.share_desktop_btn.activated_colour = "#f24468" | |
| 282 self.share_desktop_btn.line_colour = "#666666" | |
| 283 self.share_desktop_btn.activated = False | |
| 284 self.hang_up_btn = self.add_control_button( | |
| 285 "phone", self.hang_up, rotate=135, background="red", activable=False | |
| 286 ) | |
| 287 | |
| 288 controls_widget = QWidget(self) | |
| 289 controls_widget.setSizePolicy(QSizePolicy.Policy.Fixed, QSizePolicy.Policy.Fixed) | |
| 290 controls_widget.setLayout(self.control_buttons_layout) | |
| 291 front_layout.addStretch() | |
| 292 | |
| 293 bottom_layout = QHBoxLayout() | |
| 294 bottom_layout.addStretch() | |
| 295 front_layout.addLayout(bottom_layout) | |
| 296 bottom_layout.addWidget(controls_widget, alignment=Qt.AlignmentFlag.AlignBottom) | |
| 297 | |
| 298 # Local video feedback | |
| 299 bottom_layout.addStretch() | |
| 300 self.local_video_widget = QLabel(self) | |
| 301 bottom_layout.addWidget(self.local_video_widget) | |
| 302 | |
| 303 # we update sizes on resize event | |
| 304 self.background_widget.resizeEvent = self.adjust_sizes | |
| 305 self.adjust_sizes() | |
| 306 | |
| 307 def add_control_button( | |
| 308 self, | |
| 309 icon_name: str, | |
| 310 callback: Callable, | |
| 311 rotate: float | None = None, | |
| 312 background: str | None = None, | |
| 313 activable: bool = True, | |
| 314 ) -> QPushButton | ActivableButton: | |
| 315 if activable: | |
| 316 button = ActivableButton("", self) | |
| 317 else: | |
| 318 button = QPushButton("", self) | |
| 319 icon_path = self.icons_path / f"{icon_name}.svg" | |
| 320 button.setIcon(QIcon(str(icon_path))) | |
| 321 button.setIconSize(ICON_SIZE) | |
| 322 button.setFixedSize(BUTTON_SIZE) | |
| 323 if rotate is not None: | |
| 324 pixmap = button.icon().pixmap(ICON_SIZE) | |
| 325 transform = QTransform() | |
| 326 transform.rotate(rotate) | |
| 327 rotated_pixmap = pixmap.transformed(transform) | |
| 328 button.setIcon(QIcon(rotated_pixmap)) | |
| 329 if background: | |
| 330 button.setStyleSheet(f"background-color: {background};") | |
| 331 button.clicked.connect(callback) | |
| 332 self.control_buttons_layout.addWidget(button) | |
| 333 return button | |
| 334 | |
| 335 def adjust_sizes(self, a0: QResizeEvent | None = None) -> None: | |
| 336 self.foreground_widget.setGeometry( | |
| 337 0, 0, self.background_widget.width(), self.background_widget.height() | |
| 338 ) | |
| 339 self.local_video_widget.setFixedSize(QSize(self.width() // 3, self.height() // 3)) | |
| 340 if a0 is not None: | |
| 341 super().resizeEvent(a0) | |
| 342 | |
| 343 def on_new_sample(self, video_sink, video_stream: str) -> bool: | |
| 344 sample = video_sink.emit("pull-sample") | |
| 345 if sample is None: | |
| 346 return False | |
| 347 | |
| 348 video_pad = video_sink.get_static_pad("sink") | |
| 349 assert video_pad is not None | |
| 350 s = video_pad.get_current_caps().get_structure(0) | |
| 351 stream_size = (s.get_value("width"), s.get_value("height")) | |
| 352 self.host.loop.loop.call_soon_threadsafe( | |
| 353 self.update_sample, sample, stream_size, video_stream | |
| 354 ) | |
| 355 | |
| 356 return False | |
| 357 | |
| 358 def update_sample(self, sample, stream_size, video_stream: str) -> None: | |
| 359 if sample is None: | |
| 360 return | |
| 361 | |
| 362 video_widget = ( | |
| 363 self.remote_video_widget | |
| 364 if video_stream == "remote" | |
| 365 else self.local_video_widget | |
| 366 ) | |
| 367 | |
| 368 buf = sample.get_buffer() | |
| 369 result, mapinfo = buf.map(Gst.MapFlags.READ) | |
| 370 if result: | |
| 371 buffer = mapinfo.data | |
| 372 width, height = stream_size | |
| 373 qimage = QImage(buffer, width, height, QImage.Format.Format_RGB888) | |
| 374 pixmap = QPixmap.fromImage(qimage).scaled( | |
| 375 QSize(video_widget.width(), video_widget.height()), | |
| 376 Qt.AspectRatioMode.KeepAspectRatio, | |
| 377 ) | |
| 378 video_widget.setPixmap(pixmap) | |
| 379 video_widget.setAlignment(Qt.AlignmentFlag.AlignCenter) | |
| 380 | |
| 381 buf.unmap(mapinfo) | |
| 382 | |
| 383 def toggle_fullscreen(self): | |
| 384 fullscreen = not self.isFullScreen() | |
| 385 if fullscreen: | |
| 386 self.fullscreen_btn.setIcon(self.fullscreen_icon_fullscreen) | |
| 387 self.showFullScreen() | |
| 388 else: | |
| 389 self.fullscreen_btn.setIcon(self.fullscreen_icon_normal) | |
| 390 self.showNormal() | |
| 391 | |
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392 def closeEvent(self, a0: QCloseEvent|None) -> None: |
| 4206 | 393 super().closeEvent(a0) |
| 394 global running | |
| 395 running = False | |
| 396 | |
| 397 def toggle_video(self): | |
| 398 assert self.webrtc_call is not None | |
| 399 self.webrtc_call.webrtc.video_muted = not self.webrtc_call.webrtc.video_muted | |
| 400 self.toggle_video_btn.activated = not self.webrtc_call.webrtc.video_muted | |
| 401 | |
| 402 def toggle_audio(self): | |
| 403 assert self.webrtc_call is not None | |
| 404 self.webrtc_call.webrtc.audio_muted = not self.webrtc_call.webrtc.audio_muted | |
| 405 self.toggle_audio_btn.activated = not self.webrtc_call.webrtc.audio_muted | |
| 406 | |
| 407 def share_desktop(self): | |
| 408 assert self.webrtc_call is not None | |
| 409 if self.webrtc_call.webrtc.desktop_sharing: | |
| 410 self.webrtc_call.webrtc.desktop_sharing = False | |
| 411 self.share_desktop_btn.activated = False | |
| 412 elif display_servers.detect() == display_servers.X11: | |
| 413 aio.run_async(self.show_X11_screen_dialog()) | |
| 414 else: | |
| 415 self.webrtc_call.webrtc.desktop_sharing = True | |
| 416 | |
| 417 def hang_up(self): | |
| 418 self.close() | |
| 419 | |
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420 @staticmethod |
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421 def can_run(): |
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422 # if a known display server is detected, we should be able to run |
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changeset
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423 return display_servers.detect() is not None |
|
9218d4331bb2
cli (call): `tui` output implementation:
Goffi <goffi@goffi.org>
parents:
4206
diff
changeset
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424 |
| 4206 | 425 async def show_X11_screen_dialog(self): |
| 426 assert self.webrtc_call is not None | |
| 427 windows_data = display_servers.x11_list_windows() | |
| 428 dialog = X11DesktopScreenDialog(windows_data, self) | |
| 429 selected = await dialog.a_show() | |
| 430 if selected is not None: | |
| 431 xid = selected["id"] | |
| 432 self.webrtc_call.webrtc.desktop_sharing_data = {"xid": xid} | |
| 433 self.webrtc_call.webrtc.desktop_sharing = True | |
| 434 self.share_desktop_btn.activated = True |