pipewire/pipewire-v4l2/src/pw-v4l2.in

#!/bin/sh

# This file is part of PipeWire.
# SPDX-FileCopyrightText: Copyright © 2021 Wim Taymans
# SPDX-License-Identifier: MIT

while getopts 'hr:vs:p:' param ; do
	case $param in
		r)
			PIPEWIRE_REMOTE="$OPTARG"
			export PIPEWIRE_REMOTE
			;;
		v)
			if [ -z "$PIPEWIRE_DEBUG" ]; then
				PIPEWIRE_DEBUG=3
			else
				PIPEWIRE_DEBUG=$(( PIPEWIRE_DEBUG + 1 ))
			fi
			export PIPEWIRE_DEBUG
			;;
		*)
			echo "$0 - run v4l2 applications on PipeWire"
			echo " "
			echo "$0 [options] application [arguments]"
			echo " "
			echo "options:"
			echo "	-h                  show brief help"
			echo "	-r <remote>         remote daemon name"
			echo "	-v                  verbose debug info"
			exit 0
			;;
	esac
done

shift $(( OPTIND - 1 ))

if [ "$PW_UNINSTALLED" = 1 ] ; then
   PW_V4L2_LD_PRELOAD="$PW_BUILDDIR"'/pipewire-v4l2/src/libpw-v4l2.so'
else
   # shellcheck disable=SC2016 # ${LIB} is interpreted by ld.so, not the shell
   PW_V4L2_LD_PRELOAD='@LIBV4L2_PATH@/libpw-v4l2.so'
fi

if [ "$LD_PRELOAD" = "" ] ; then
   LD_PRELOAD="$PW_V4L2_LD_PRELOAD"
else
   LD_PRELOAD="$LD_PRELOAD $PW_V4L2_LD_PRELOAD"
fi

export LD_PRELOAD

exec "$@"