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annotate doc/libervia-cli/call.rst @ 4209:fe29fbdabce6

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frontends (tools/webrtc): add a options to merge video for PiP and to specify size: - the `merge_pip` option is now used to indicate if local feedback and remote video streams must be merged with local feedback being a PiP of remote video. By default, it's done for `SINKS_AUTO`, but it can be manually specified to use it with `SINKS_APP` or to split ``SINKS_AUTO`` in 2 windows. - target size of the compositor used with `merge_pip` can be specified. By default, 720p is used. rel 428
author Goffi <goffi@goffi.org>
date Fri, 16 Feb 2024 18:46:02 +0100
parents fd9e78b7a0cd
children be89ab1cbca4
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1 .. _libervia-cli_call:
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2
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3 ===============
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4 call: A/V Calls
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5 ===============
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6
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7 ``call`` lets you initiate or receive calls from the terminal.
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8
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9
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10 Common UI
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11 =========
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12
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13 There are various UI available to display a call. By default, one will be automatically
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14 selected according to platform. To select an UI, use the ``--output, -O`` option, with one
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15 of the following value:
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16
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17 default
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18 -------
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19
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20 The default value make a guess on the best output to use on the current platform.
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21
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22 .. note::
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23
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24 For the moment, ``default`` always select ``simple`` output.
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26
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27 simple
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28 ------
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29
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30 During a call, a simple graphical window will be created, displaying your correspondent's
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31 video, with your own video feed in the bottom right corner.
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32
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33 With the UI present (by default), there are 3 buttons:
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34
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35 - one to (un)mute video with the ``v`` key shortcut
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36 - one to (un)mute audio with the ``m`` key shortcut
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37 - one to hang up with the ``h`` key shortcut. ``Ctrl+c`` will have the same effect.
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38
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39 gui
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40 ---
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41
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42 The ``gui`` option enables a full graphical user interface for handling calls, akin to
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43 other frontends (web, desktop). This GUI provides a comprehensive and interactive
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44 experience for call management directly from your CLI environment, ensuring quick access
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45 to the call feature from the CLI frontend.
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46
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47 This interface is accessible if your system supports X11 or Wayland and requires ``PyQt``
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48 v6 or higher. Here's how to navigate and use the GUI:
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49
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50 Call Interface
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51 ^^^^^^^^^^^^^^
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52
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53 The call interface is made with:
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54
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55 - **Video Feeds**: The main window displays the other party's video, with your video in
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56 the bottom right.
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57 - **Fullscreen Mode**: A fullscreen toggle button is located at the top right of the
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58 window.
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59 - **Controls**: The following buttons are available at the bottom of your screen:
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60
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61 - Mute/Unmute video or audio with respective buttons.
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62 - Desktop Sharing.
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63 - Hang up.
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64
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65 Desktop Sharing
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66 ^^^^^^^^^^^^^^^
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67 To share your desktop, you need to be in a supported environment (X11 or Wayland).
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68
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69 For Wayland, you'll need to have the ``xdg-desktop-portal`` package installed, along with
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70 its sibling desktop environment-specific package (e.g., ``xdg-desktop-portal-gtk`` or
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71 ``xdg-desktop-portal-kde``).
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72
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73 Once you've clicked on the desktop sharing button, you'll have to select what you want to
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74 share. It can be your entire screen or a specific application window. On X11, a simple
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75 dialog will appear, while for Wayland, a dialog provided by your environment will ask you
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76 to select what you want to share.
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77
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78 example
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79 -------
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80
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81 Pierre wants to call Louise with a GUI::
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82
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83 $ li call make louise@example.org -O gui
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84
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85 make
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86 ====
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87
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88 Make a call. The primary argument is the JID of the entity you wish to call.
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89
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90 example
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91 -------
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92
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93 Pierre wants to call Louise::
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94
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95 $ li call make louise@example.org
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96
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97 receive
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98 =======
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99
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100 Receive a call. By default, you'll see a confirmation prompt when someone is calling; you
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101 can then use ``y`` to accept the call or ``n`` to reject it. Use the ``-a JID,
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102 --auto-accept JID`` option to automatically accept calls from a specific entity (can be
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103 used multiple times), or the ``--auto-accept-all`` to accept any incoming call.
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104
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105 .. note::
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106
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107 Accepting a call automatically activates your webcam and microphone, and shares your IP
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108 address with the caller. Therefore, using ``--auto-accept-all`` is a security risk. Only
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109 use it if you have a very good reason to do so.
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110
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111
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112 examples
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113 --------
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114
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115 Louise is expecting a call. When she receives one, a prompt will ask her to confirm and
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116 start it::
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117
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118 $ li call receive
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119
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120 Piotr has a device with a webcam and microphone for observing wildlife. He set the device
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121 to automatically accept his calls::
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122
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123 $ li call receive -a piotr@example.net
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124
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125 .. note::
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126
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127 Libervia CLI will exit once the first accepted call is terminated. Looping in a shell
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128 may be necessary to call the same device multiple times.
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129
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130 .. note::
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131
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132 Since using auto-accept mode activates the webcam and microphone, consider the privacy
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133 implications and ensure that no one will be filmed or recorded without their consent.