feat(jibri): support for pulseaudio

ansible/build-java-jibri-oracle.yml

@@ -23,7 +23,7 @@
       tags: "provision"
 
   roles:
-    - { role: "jibri-kernel", tags: "jibri-kernel"}
+    - { role: "jibri-kernel", tags: "jibri-kernel", when: not jibri_pulseaudio_enabled }
     - { role: "common", tags: "common"}
     - { role: "boot-postinstall", tags: "boot-postinstall" }
     - { role: "sshusers", tags: "ssh" }
@@ -44,6 +44,7 @@
     - { role: "autoscaler-sidecar", tags: "autoscaler-sidecar",
         autoscaler_instance_type: "jibri", autoscaler_install_flag: true, autoscaler_configure_flag: false, jitsi_autoscaler_sidecar: true}
     - { role: "jibri-java", tags: "jibri", jibri_install_flag: true, jibri_configure_flag: false}
+    - { role: "pulseaudio", tags: "pulseaudio", when: jibri_pulseaudio_enabled }
     - { role: "jitsi-upload-integrations", tags: "jitsi-upload-integrations",
         upload_integrations_install_flag: true, upload_integrations_configure_flag: false }
     - { role: "jitsi-upload-customizations", tags: "jitsi-upload-customizations",

ansible/roles/jibri-java/templates/jibri.conf.j2

@@ -5,6 +5,22 @@ jibri {
         recordings-directory = "{{ jibri_recordings_dir }}"
         finalize-script = "{{ jibri_finalize_recording_script }}"
     }
+    ffmpeg {
+      // resolution =  "1920x1080"
+      // The audio source that will be used to capture audio on Linux
+      audio-source = "{{ 'pulse' if jibri_pulse_audio_enabled else 'alsa' }}"
+      // The audio device that will be used to capture audio on Linux
+      audio-device = "{{ 'default' if jibri_pulse_audio_enabled else 'plug:bsnoop' }}"
+      // framerate = 30
+      // queue-size = 4096
+      // streaming-max-bitrate = 2976
+      // Available presets: ultrafast, superfast, veryfast, faster, fast, medium,
+      // slow, slower, veryslow, placebo
+      // video-encode-preset = "veryfast"
+      // The range of the CRF scale is 0-51, where 0 is lossless,
+      // 23 is the default, and 51 is worst quality possible.
+      // h264-constant-rate-factor = 25
+    }
     webhook {
       subscribers = [{% if jibri_sidecar_webhook %}"{{ jibri_sidecar_webhook }}"{% endif %}{% if sip_jibri_sidecar_webhook %}{% if jibri_sidecar_webhook %},{% endif %}"{{ sip_jibri_sidecar_webhook }}"{% endif %}]
     }

ansible/roles/pulseaudio/defaults/main.yml

@@ -0,0 +1 @@
+---

ansible/roles/pulseaudio/files/etc-default.pa

@@ -0,0 +1,65 @@
+#!/usr/bin/pulseaudio -nF
+#
+# This file is part of PulseAudio.
+#
+# PulseAudio is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# PulseAudio is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+
+# This startup script is used only if PulseAudio is started per-user
+# (i.e. not in system mode)
+
+# Customized for Jibri
+
+.fail
+
+### Automatically restore the volume of streams and devices
+load-module module-device-restore
+load-module module-stream-restore
+load-module module-card-restore
+
+### Automatically augment property information from .desktop files
+### stored in /usr/share/application
+load-module module-augment-properties
+
+### Should be after module-*-restore but before module-*-detect
+load-module module-switch-on-port-available
+
+### Load several protocols
+load-module module-native-protocol-unix
+
+### Automatically restore the default sink/source when changed by the user
+### during runtime
+### NOTE: This should be loaded as early as possible so that subsequent modules
+### that look up the default sink/source get the right value
+load-module module-default-device-restore
+
+### Make sure we always have a sink around, even if it is a null sink.
+load-module module-always-sink
+
+### Honour intended role device property
+load-module module-intended-roles
+
+### Automatically suspend sinks/sources that become idle for too long
+load-module module-suspend-on-idle
+
+### If autoexit on idle is enabled we want to make sure we only quit
+### when no local session needs us anymore.
+#.ifexists module-console-kit.so
+#load-module module-console-kit
+#.endif
+#.ifexists module-systemd-login.so
+#load-module module-systemd-login
+#.endif
+
+### Enable positioned event sounds
+load-module module-position-event-sounds

ansible/roles/pulseaudio/files/jibri-client.conf

@@ -0,0 +1 @@
+autospawn = yes

ansible/roles/pulseaudio/files/jibri-daemon.conf

@@ -0,0 +1,9 @@
+# daemonize = no
+high-priority = no
+realtime-scheduling = yes
+realtime-priority = 5
+exit-idle-time = -1
+flat-volumes = no
+deferred-volume-safety-margin-usec = 1
+log-level = info
+log-target = file:/var/log/jitsi/jibri/pulse.log

ansible/roles/pulseaudio/files/jibri-default.pa

@@ -0,0 +1,8 @@
+.include /etc/pulse/default.pa
+
+# Load the virtual sink and set it as default
+load-module module-virtual-sink sink_name=jibri-loop
+set-default-sink jibri-loop
+
+# set the monitor of the jibri-loop sink to be the default source
+set-default-source jibri-loop.monitor

ansible/roles/pulseaudio/tasks/main.yml

@@ -0,0 +1,37 @@
+---
+- name: Install pulseaudio
+  ansible.builtin.apt:
+    name: ['pulseaudio']
+    state: present
+
+- name: Install /etc/pulse/default.pa
+  ansible.builtin.copy:
+    src: default.pa
+    dest: /etc/pulse/default.pa
+    owner: root
+    group: root
+    mode: 0644
+
+- name: Install jibri pulse defaults
+  ansible.builtin.copy:
+    src: jibri-default.pa
+    dest: /home/jibri/.config/pulse/default.pa
+    owner: jibri
+    group: jibri
+    mode: 0644
+
+- name: Install jibri pulse client config
+  ansible.builtin.copy:
+    src: jibri-client.conf
+    dest: /home/jibri/.config/pulse/client.conf
+    owner: jibri
+    group: jibri
+    mode: 0644
+
+- name: Install jibri pulse daemon config
+  ansible.builtin.copy:
+    src: jibri-daemon.conf
+    dest: /home/jibri/.config/pulse/daemon.conf
+    owner: jibri
+    group: jibri
+    mode: 0644