104536cd21
BREAKING CHANGE: This will require a reinstall of crowsnest Signed-off-by: Stephan Wendel <me@stephanwe.de>
111 lines
3.1 KiB
Bash
Executable File
111 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#### Hardware Handling library
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#### crowsnest - A webcam Service for multiple Cams and Stream Services.
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####
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#### Written by Stephan Wendel aka KwadFan <me@stephanwe.de>
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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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# shellcheck enable=require-variable-braces
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# Exit upon Errors
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set -Ee
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### Detect Hardware
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function detect_avail_cams {
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local avail realpath
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avail="$(find /dev/v4l/by-id/ -iname "*index0" 2> /dev/null)"
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count="$(echo "${avail}" | wc -l)"
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if [ -d "/dev/v4l/by-id/" ] &&
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[ -n "${avail}" ]; then
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log_msg "INFO: Found ${count} available camera(s)"
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echo "${avail}" | while read -r v4l; do
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realpath=$(readlink -e "${v4l}")
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log_msg "${v4l} -> ${realpath}"
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if [ "$(log_level)" != "quiet" ]; then
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list_cam_formats "${v4l}"
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list_cam_v4l2ctrls "${v4l}"
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fi
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done
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else
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log_msg "INFO: No usable Cameras found."
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fi
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}
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function detect_avail_csi {
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local avail count realpath
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avail="$(find /dev/v4l/by-path/ -iname "*csi*index0" 2> /dev/null)"
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count="$(echo "${avail}" | wc -l)"
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if [ -d "/dev/v4l/by-path/" ] &&
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[ -n "${avail}" ]; then
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log_msg "INFO: Found ${count} available csi device(s)"
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echo "${avail}" | while read -r csi; do
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realpath=$(readlink -e "${csi}")
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log_msg "${csi} -> ${realpath}"
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done
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else
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log_msg "INFO: No usable CSI Devices found."
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fi
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}
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# Used for "verbose" and "debug" logging in logging.sh
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function list_cam_formats {
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local device formats
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device="${1}"
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formats="$(v4l2-ctl -d "${device}" --list-formats-ext | sed '1,3d')"
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log_msg "Supported Formats:"
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echo "${formats}" | while read -r i; do
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log_msg "\t\t${i}"
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done
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}
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function list_cam_v4l2ctrls {
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local device ctrls
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device="${1}"
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ctrls="$(v4l2-ctl -d "${device}" --list-ctrls-menus)"
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log_msg "Supported Controls:"
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echo "${ctrls}" | while read -r i; do
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log_msg "\t\t${i}"
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done
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}
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# Determine connected "raspicam" device
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function detect_raspicam {
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local avail
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if [ -f /proc/device-tree/model ] &&
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grep -q "Raspberry" /proc/device-tree/model; then
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avail="$(vcgencmd get_camera | awk -F '=' '{ print $3 }' | cut -d',' -f1)"
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else
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avail="0"
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fi
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echo "${avail}"
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}
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function dev_is_raspicam {
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v4l2-ctl --list-devices | grep -A1 -e 'mmal' | \
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awk 'NR==2 {print $1}'
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}
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# Determine if cam has H.264 Hardware encoder
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# call detect_h264 <nameornumber> ex.: detect_h264 foobar
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# returns 1 = true / 0 = false ( numbers are strings! not int!)
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function detect_h264 {
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local dev
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dev="$(get_param "cam ${1}" device)"
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v4l2-ctl -d "${dev}" --list-formats-ext | grep -c "[hH]264"
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}
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# Determine if cam has MJPEG Hardware encoder
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# call detect_mjpeg <nameornumber> ex.: detect_mjpeg foobar
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# returns 1 = true / 0 = false ( numbers are strings! not int!)
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function detect_mjpeg {
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local dev
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dev="$(get_param "cam ${1}" device)"
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v4l2-ctl -d "${dev}" --list-formats-ext | grep -c "Motion-JPEG, compressed"
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}
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