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‎.github/workflows/build-alpine.yml

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---
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name: Build Alpine Image
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on:
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push:
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branches: [ main ]
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paths-ignore:
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- '**.md'
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pull_request:
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branches: [ main ]
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paths-ignore:
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- '**.md'
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workflow_dispatch:
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jobs:
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shellcheck:
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name: Shellcheck
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v3
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- name: Run ShellCheck
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uses: ludeeus/action-shellcheck@master
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env:
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SHELLCHECK_OPTS: -x
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build:
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name: Build Alpine Image
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v3
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- name: Checkout image-builder
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uses: actions/checkout@v3
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with:
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repository: 'OpsBoost/image-builder'
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path: 'image-builder'
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- name: Build
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run: |
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sudo ./image-builder/image-builder install
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image-builder build alpine
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- name: Release image
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uses: "marvinpinto/action-automatic-releases@latest"
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with:
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repo_token: "${{ secrets.GITHUB_TOKEN }}"
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prerelease: false
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automatic_release_tag: "latest"
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files: |
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iss-screen-device.img.xz
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iss-screen-device.img.xz.sha384

‎.gitignore

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bzImage*
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iss-screen-device.img
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stage3*
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video.mp4
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wpa_supplicant.conf*

‎LICENSE

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BSD 3-Clause License
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Copyright (c) 2022, OpsBoost
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎input/image.sh

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#!/bin/sh
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DISPLAY_CONTROLLER_URL=https://raw.githubusercontent.com/opsboost/iss-display-controller/main
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PYTHON_WAYLAND_VERSION=latest
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PYTHON_WAYLAND_ARCHIVE=python-wayland-${PYTHON_WAYLAND_VERSION}.tar.xz
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PYTHON_WAYLAND_URL=https://github.com/bbusse/python-wayland/releases/download/latest/${PYTHON_WAYLAND_ARCHIVE}
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SWAY_CONFIG_URL=https://raw.githubusercontent.com/bbusse/swayvnc/main/config
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SERVICE_USER=iss
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PAYLOAD="mpv /home/${SERVICE_USER}/video.mp4"
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STREAMS_PLAYLIST_URL="https://raw.githubusercontent.com/jnk22/kodinerds-iptv/master/iptv/clean/clean_tv.m3u"
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setup_sway() {
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printf "Fetching sway config\n"
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curl --output-dir "${ROOTFS_PATH}"/etc/sway -LO "${SWAY_CONFIG_URL}"
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# Write Sway start script
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printf "Writing sway-launcher\n"
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sway_write_launcher
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# Write Sway openrc startup file
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printf "Writing openrc start script\n"
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mkdir -p "${ROOTFS_PATH}"/etc/local.d
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sway_write_start_script
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# Write exec to sway's config.d
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sway_configure_payload
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chmod +x "${ROOTFS_PATH}"/usr/bin/sway-launcher
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chmod +x "${ROOTFS_PATH}"/etc/local.d/sway.start
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}
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sway_configure_payload() {
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mkdir "${ROOTFS_PATH}"/etc/sway/config.d
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printf "exec %s" "${PAYLOAD}" >> "${ROOTFS_PATH}"/etc/sway/config.d/exec-payload
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}
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sway_write_launcher() {
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cat << \EOF > "${ROOTFS_PATH}"/usr/bin/sway-launcher
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#!/bin/sh
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# Launch sway with a specific user, from a specific Virtual Terminal (vt)
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# Two arguments are expected: a username (e.g., larry) and the id of a free vt (e.g., 7)
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# Prepare the tty for the user
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chown ${1} "/dev/tty${2}"
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chmod 600 "/dev/tty${2}"
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# Setup a clean environment for the user, take over the target vt, then launch sway as non-root user
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su -l root -c "openvt -s -c ${2} -- su -l ${1} -c \"XDG_RUNTIME_DIR=/tmp WLR_LIBINPUT_NO_DEVICES=1 sway\""
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EOF
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}
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sway_write_start_script() {
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cat << EOF > "${ROOTFS_PATH}"/etc/local.d/sway.start
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#!/bin/sh
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sway-launcher ${SERVICE_USER} 2
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EOF
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}
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main() {
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printf "Adding packages\n"
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chroot_exec apk add ffmpeg \
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gstreamer \
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gstreamer-tools \
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gst-plugins-base \
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gst-plugins-bad \
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gst-plugins-good \
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iw \
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linux-firmware-cypress \
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mesa-dri-gallium \
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mpv \
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py3-pip \
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podman \
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seatd \
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sway \
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wpa_supplicant \
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xz
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# Build dependencies - we remove them again later
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chroot_exec apk add gcc \
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git \
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jpeg-dev \
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libc-dev \
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libffi-dev \
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libxkbcommon-dev \
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py3-wheel \
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python3-dev \
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zlib-dev \
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printf "Creating user\n"
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chroot_exec adduser --disabled-password ${SERVICE_USER}
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chroot_exec adduser ${SERVICE_USER} video
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chroot_exec adduser ${SERVICE_USER} seat
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# Enable services
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chroot_exec rc-update add seatd
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chroot_exec rc-update add wpa_supplicant
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# Add kernel modules to load
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cp /input/modules "${ROOTFS_PATH}"/etc/
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# Load device tree overlay
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echo "dtoverlay=vc4-kms-v3d" >> "${BOOTFS_PATH}"/config.txt
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setup_sway
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# Add display-controller for stream handling
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printf "Adding display-controller\n"
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curl -s -S --output-dir "${ROOTFS_PATH}/usr/bin" -LO "${DISPLAY_CONTROLLER_URL}/controller.py"
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curl -s -S --output-dir "${ROOTFS_PATH}/home/${SERVICE_USER}" -LO "${DISPLAY_CONTROLLER_URL}/requirements.txt"
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chroot_exec pip install -r /home/${SERVICE_USER}/requirements.txt
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chmod +x "${ROOTFS_PATH}"/usr/bin/controller.py
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# Add python-wayland
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printf "Adding python-wayland\n"
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mkdir -p "${ROOTFS_PATH}/usr/local/src"
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curl -s -S --output-dir "${ROOTFS_PATH}/usr/local/src/" -LO "${PYTHON_WAYLAND_URL}"
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chroot_exec cd /usr/local/src && tar xf "${PYTHON_WAYLAND_ARCHIVE}"
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# Remove build dependencies
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chroot_exec apk del gcc \
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git \
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jpeg-dev \
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libc-dev \
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libffi-dev \
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libxkbcommon-dev \
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py3-wheel \
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python3-dev \
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zlib-dev
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# Fetching streams playlist
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printf "Fetching streams playlist\n"
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curl -s -S --output-dir "${ROOTFS_PATH}"/home/${SERVICE_USER} -LO ${STREAMS_PLAYLIST_URL}
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}
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main "$@"

‎input/modules

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bcm2835_codec
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bcm2835_isp
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bcm2835_mmal_vchiq
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bcm2835_v4l2
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brcmfmac
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brcmutil
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i2c_bcm2835
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i2c-dev
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snd_bcm2835
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snd_soc_core
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snd_soc_hdmi_codec
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v4l2_mem2mem
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vc4
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videobuf2_common
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videobuf2_dma_config
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videobuf2_memops
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videobuf2_v4l2
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videobuf2_vmalloc

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