a3f0317824
* Affected Files: * libs/hwhandler.sh * libs/logging.sh * libs/messages.sh * libs/ustreamer.sh * libs/v4l2_control.sh * libs/v4l2rtspserver.sh Signed-off-by: Stephan Wendel <me@stephanwe.de>
61 lines
1.9 KiB
Bash
Executable File
61 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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#### v4l2 control library
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#### webcamd - A webcam Service for multiple Cams and Stream Services.
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####
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#### written by Stephan Wendel aka KwadFan
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#### Copyright 2021
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#### https://github.com/mainsail-crew/crowsnest
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####
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#### This File is distributed under GPLv3
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####
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#### Description: Configure Cam with v4l2-ctl options
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#### ex.: v4l2-ctl -c brightness=100
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# shellcheck enable=requires-variable-braces
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# Exit upon Errors
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set -e
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function v4l2_control {
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log_msg "V4L2 Control:"
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function main {
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local device v4l2ctl valueless opt_avail
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for cam in $(configured_cams); do
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# get device from cam section
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device="$(get_param "cam ${cam}" device)"
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# get v4l2ctl parameters
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v4l2ctl="$(get_param "cam ${cam}" v4l2ctl)"
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# if not empty do
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if [ -n "${v4l2ctl}" ]; then
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# Write configured options to Log
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log_msg "Device: [cam $cam]"
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log_msg "Options: ${v4l2ctl}"
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# Split options to array
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IFS=',' read -a opt < <(echo "${v4l2ctl}"); unset IFS
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# loop through options
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for param in "${opt[@]}"; do
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# parameter available for device
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# needs || true to prevent script to exit
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valueless="$(echo "${param}" | cut -d "=" -f1)"
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opt_avail="$(v4l2-ctl -d ${device} -L | \
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grep -c ${valueless} || true)"
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if [ "$opt_avail" -eq "0" ]; then
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log_msg "Parameter '${param}' not available for '${device}'. Skipped."
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else
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v4l2-ctl -d "${device}" -c "${param}" 2> /dev/null
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fi
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done
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else
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log_msg "No parameters set for [cam ${cam}]. Skipped."
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fi
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done
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}
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### MAIN
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main
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}
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