#!/usr/bin/env bash #=======================================================================# # Copyright (C) 2020 - 2023 Dominik Willner # # # # This file is part of KIAUH - Klipper Installation And Update Helper # # https://github.com/dw-0/kiauh # # # # This file may be distributed under the terms of the GNU GPLv3 license # #=======================================================================# set -e #=================================================# #============= INSTALL MJPG-STREAMER =============# #=================================================# function install_mjpg-streamer() { local webcamd="${KIAUH_SRCDIR}/resources/mjpg-streamer/webcamd" local webcam_txt="${KIAUH_SRCDIR}/resources/mjpg-streamer/webcam.txt" local service="${KIAUH_SRCDIR}/resources/mjpg-streamer/webcamd.service" local repo="https://github.com/jacksonliam/mjpg-streamer.git" ### return early if webcamd.service already exists if [[ -f "${SYSTEMD}/webcamd.service" ]]; then print_error "Looks like MJPG-streamer is already installed!\n Please remove it first before you try to re-install it!" return fi status_msg "Initializing MJPG-Streamer installation ..." ### check and install dependencies if missing local dep=(git cmake build-essential imagemagick libv4l-dev ffmpeg) if apt-cache search libjpeg62-turbo-dev | grep -Eq "^libjpeg62-turbo-dev "; then dep+=(libjpeg62-turbo-dev) elif apt-cache search libjpeg8-dev | grep -Eq "^libjpeg8-dev "; then dep+=(libjpeg8-dev) fi dependency_check "${dep[@]}" ### step 1: clone mjpg-streamer status_msg "Cloning MJPG-Streamer from ${repo} ..." [[ -d "${HOME}/mjpg-streamer" ]] && rm -rf "${HOME}/mjpg-streamer" cd "${HOME}" || exit 1 if ! git clone "${repo}" "${HOME}/mjpg-streamer"; then print_error "Cloning MJPG-Streamer from\n ${repo}\n failed!" exit 1 fi ok_msg "Cloning complete!" ### step 2: compiling mjpg-streamer status_msg "Compiling MJPG-Streamer ..." cd "${HOME}/mjpg-streamer/mjpg-streamer-experimental" if ! make; then print_error "Compiling MJPG-Streamer failed!" exit 1 fi ok_msg "Compiling complete!" #step 3: install mjpg-streamer status_msg "Installing MJPG-Streamer ..." cd "${HOME}/mjpg-streamer" && mv mjpg-streamer-experimental/* . mkdir www-mjpgstreamer cat <> ./www-mjpgstreamer/index.html mjpg_streamer test page

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EOT sudo cp "${webcamd}" "/usr/local/bin/webcamd" sudo sed -i "/^config_dir=/ s|=.*|=${KLIPPER_CONFIG}|" /usr/local/bin/webcamd sudo sed -i "/MJPGSTREAMER_HOME/ s/pi/${USER}/" /usr/local/bin/webcamd sudo chmod +x /usr/local/bin/webcamd ### step 4: create webcam.txt config file [[ ! -d ${KLIPPER_CONFIG} ]] && mkdir -p "${KLIPPER_CONFIG}" if [[ ! -f "${KLIPPER_CONFIG}/webcam.txt" ]]; then status_msg "Creating webcam.txt config file ..." cp "${webcam_txt}" "${KLIPPER_CONFIG}/webcam.txt" ok_msg "Done!" fi ### step 5: create systemd service status_msg "Creating MJPG-Streamer service ..." sudo cp "${service}" "${SYSTEMD}/webcamd.service" sudo sed -i "s|%USER%|${USER}|" "${SYSTEMD}/webcamd.service" ok_msg "MJPG-Streamer service created!" ### step 6: enabling and starting mjpg-streamer service status_msg "Starting MJPG-Streamer service, please wait ..." sudo systemctl enable webcamd.service if sudo systemctl start webcamd.service; then ok_msg "MJPG-Streamer service started!" else status_msg "MJPG-Streamer service couldn't be started! No webcam connected?\n###### You need to manually restart the service once your webcam is set up correctly." fi ### step 6.1: create webcamd.log symlink [[ ! -d ${KLIPPER_LOGS} ]] && mkdir -p "${KLIPPER_LOGS}" if [[ -f "/var/log/webcamd.log" && ! -L "${KLIPPER_LOGS}/webcamd.log" ]]; then ln -s "/var/log/webcamd.log" "${KLIPPER_LOGS}/webcamd.log" fi ### step 6.2: add webcamd.log logrotate if [[ ! -f "/etc/logrotate.d/webcamd" ]]; then status_msg "Create logrotate rule ..." sudo /bin/sh -c "cat > /etc/logrotate.d/webcamd" << EOF /var/log/webcamd.log { rotate 2 weekly maxsize 32M missingok notifempty compress delaycompress sharedscripts } EOF ok_msg "Done!" fi ### step 7: check if user is in group "video" local usergroup_changed="false" if ! groups "${USER}" | grep -q "video"; then status_msg "Adding user '${USER}' to group 'video' ..." sudo usermod -a -G video "${USER}" && ok_msg "Done!" usergroup_changed="true" fi ### confirm message local confirm_msg="MJPG-Streamer has been set up!" if [[ ${usergroup_changed} == "true" ]]; then confirm_msg="${confirm_msg}\n ${yellow}INFO: Your User was added to a new group!${green}" confirm_msg="${confirm_msg}\n ${yellow}You need to relog/restart for the group to be applied!${green}" fi print_confirm "${confirm_msg}" ### print webcam ip adress/url local ip ip=$(hostname -I | cut -d" " -f1) local cam_url="http://${ip}:8080/?action=stream" local cam_url_alt="http://${ip}/webcam/?action=stream" echo -e " ${cyan}● Webcam URL:${white} ${cam_url}" echo -e " ${cyan}● Webcam URL:${white} ${cam_url_alt}" echo } #=================================================# #============== REMOVE MJPG-STREAMER =============# #=================================================# function remove_mjpg-streamer() { ### remove MJPG-Streamer service if [[ -e "${SYSTEMD}/webcamd.service" ]]; then status_msg "Removing MJPG-Streamer service ..." sudo systemctl stop webcamd && sudo systemctl disable webcamd sudo rm -f "${SYSTEMD}/webcamd.service" ###reloading units sudo systemctl daemon-reload sudo systemctl reset-failed ok_msg "MJPG-Streamer Service removed!" fi ### remove webcamd from /usr/local/bin if [[ -e "/usr/local/bin/webcamd" ]]; then sudo rm -f "/usr/local/bin/webcamd" fi ### remove MJPG-Streamer directory if [[ -d "${HOME}/mjpg-streamer" ]]; then status_msg "Removing MJPG-Streamer directory ..." rm -rf "${HOME}/mjpg-streamer" ok_msg "MJPG-Streamer directory removed!" fi ### remove webcamd log and symlink [[ -f "/var/log/webcamd.log" ]] && sudo rm -f "/var/log/webcamd.log" [[ -L "${KLIPPER_LOGS}/webcamd.log" ]] && rm -f "${KLIPPER_LOGS}/webcamd.log" print_confirm "MJPG-Streamer successfully removed!" }