CreatBotCrowsnest/libs/hwhandler.sh
Stephan Wendel c60cf2fd49
fix(hwhandler.sh): fixed correct detection of Hardware
Raspicams wont be detected due wrong syntax

Signed-off-by: Stephan Wendel <me@stephanwe.de>
2022-02-27 18:08:00 +01:00

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#!/bin/bash
#### Hardware Handling library
#### webcamd - A webcam Service for multiple Cams and Stream Services.
####
#### Written by Stephan Wendel aka KwadFan <me@stephanwe.de>
#### Copyright 2021
#### https://github.com/mainsail-crew/crowsnest
####
#### This File is distributed under GPLv3
####
# shellcheck enable=require-variable-braces
# Exit upon Errors
set -e
### Detect Hardware
function detect_avail_cams {
local avail realpath
avail="$(find /dev/v4l/by-id/ 2> /dev/null | sort -n | sed '1d;1~2d')"
if [ -d "/dev/v4l/by-id/" ]; then
echo "${avail}" | while read -r i; do
realpath=$(readlink -e "${i}")
log_msg "${i} -> ${realpath}"
if [ "$(log_level)" != "quiet" ]; then
list_cam_formats "${i}"
fi
done
else
log_msg "ERROR: No usable Cameras found. Exiting."
exit 1
fi
}
# Used for "verbose" and "debug" logging in logging.sh
function list_cam_formats {
local device
device="${1}"
formats="$(v4l2-ctl -d "${device}" --list-formats-ext | sed '1,3d')"
log_msg "Supported Formats:"
echo "${formats}" | while read -r i; do
log_msg "\t\t${i}"
done
}
# Determine connected "raspicam" device
function detect_raspicam {
local avail
if [ -f /proc/device-tree/model ] &&
grep -q "Raspberry" /proc/device-tree/model; then
avail="$(vcgencmd get_camera | awk -F '=' '{ print $3 }')"
else
avail="0"
fi
echo "${avail}"
}
function dev_is_raspicam {
v4l2-ctl --list-devices | grep -A1 -e 'mmal' | \
awk 'NR==2 {print $1}'
}
# Determine if cam has H.264 Hardware encoder
# call detect_h264 <nameornumber> ex.: detect_h264 foobar
# returns 1 = true / 0 = false ( numbers are strings! not int!)
function detect_h264 {
local dev
dev="$(get_param "cam ${1}" device)"
v4l2-ctl -d "${dev}" --list-formats-ext | grep -c "[hH]264"
}
# Determine if cam has MJPEG Hardware encoder
# call detect_mjpeg <nameornumber> ex.: detect_mjpeg foobar
# returns 1 = true / 0 = false ( numbers are strings! not int!)
function detect_mjpeg {
local dev
dev="$(get_param "cam ${1}" device)"
v4l2-ctl -d "${dev}" --list-formats-ext | grep -c "Motion-JPEG, compressed"
}