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#!/bin/bash
PROGNAME="$0"
PORT=554
IP=
CREDS=
DEBUG=0
CHANNEL=1
FORCE_UDP=0
FORCE_TCP=0
die() {
echo >&2 "error: $@"
exit 1
}
usage() {
cat <<EOF
usage: $PROGNAME [OPTIONS] COMMAND
Options:
--outdir output directory
--ip camera IP
--port RTSP port (default: 554)
--creds
--debug
--force-tcp
--force-udp
--channel 1|2
EOF
exit
}
validate_channel() {
local c="$1"
case "$c" in
1|2)
:
;;
*)
die "Invalid channel"
;;
esac
}
[ -z "$1" ] && usage
while [[ $# -gt 0 ]]; do
case "$1" in
--ip|--port|--creds|--outdir)
_var=${1:2}
_var=${_var^^}
printf -v "$_var" '%s' "$2"
shift
;;
--debug)
DEBUG=1
;;
--force-tcp)
FORCE_TCP=1
;;
--force-udp)
FORCE_UDP=1
;;
--channel)
CHANNEL="$2"
shift
;;
*)
die "Unrecognized argument: $1"
;;
esac
shift
done
[ -z "$OUTDIR" ] && die "You must specify output directory (--outdir)."
[ -z "$IP" ] && die "You must specify camera IP address (--ip)."
[ -z "$PORT" ] && die "Port can't be empty."
[ -z "$CREDS" ] && die "You must specify credentials (--creds)."
validate_channel "$CHANNEL"
if [ ! -d "${OUTDIR}" ]; then
mkdir "${OUTDIR}" || die "Failed to create ${OUTDIR}/${NAME}!"
echo "Created $OUTDIR."
fi
args=
if [ "$DEBUG" = "1" ]; then
args="$args -v info"
else
args="$args -nostats -loglevel warning"
fi
if [ "$FORCE_TCP" = "1" ]; then
args="$args -rtsp_transport tcp"
elif [ "$FORCE_UDP" = "1" ]; then
args="$args -rtsp_transport udp"
fi
[ ! -z "$CREDS" ] && CREDS="${CREDS}@"
ffmpeg $args -re -i rtsp://${CREDS}${IP}:${PORT}/Streaming/Channels/${CHANNEL} \
-c copy -bufsize 1835k \
-f segment -strftime 1 -segment_time 00:10:00 -segment_atclocktime 1 \
"$OUTDIR/record_%Y-%m-%d-%H.%M.%S.mp4"
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