makefingerprint

#!/bin/bash
# makefingerprint generates a video perceptual hash for an input
SCRIPTDIR=$(dirname $(which "${0}"))
. "${SCRIPTDIR}/mmfunctions" || { echo "Missing '${SCRIPTDIR}/mmfunctions'. Exiting." ; exit 1 ;};
SUFFIX="_signature"
EXTENSION="xml"
RELATIVEPATH="metadata"

while [ "${*}" != "" ] ; do
    # get context about the input
    INPUT="${1}"
    shift
    if [ -z "${OUTPUTDIR_FORCED}" ] ; then
        [ -d "${INPUT}" ] && { OUTPUTDIR="$INPUT/metadata/${RELATIVEPATH}" && FINGERDIR="${INPUT}/metadata/fingerprints" ;};
        [ -f "${INPUT}" ] && { OUTPUTDIR=$(dirname "${INPUT}")"/${RELATIVEPATH}" && FINGERDIR="$(dirname "${INPUT}")/fingerprints" ;};
        [ ! "${OUTPUTDIR}" ] && { OUTPUTDIR="${INPUT}/metadata/${RELATIVEPATH}" && FINGERDIR="${INPUT}/metadata/fingerprints" ;};
    else
        OUTPUTDIR="${OUTPUTDIR_FORCED}"
        FINGERDIR="${OUTPUTDIR}/metadata/fingerprints"
    fi
    _unset_variables
    PREFERRED_SOURCE="service"
    _find_input "${INPUT}"
    MEDIAID=$(basename "${INPUT}" | cut -d. -f1)

    if [ "${FINGERDIR}" != "" ] ; then
        _mkdir2 "${FINGERDIR}"
    fi
    #Generate Fingerprint
    SIGNATURE="${MEDIAID}""${SUFFIX}"."${EXTENSION}"
    _run_critical_event ffmpeg "${FFMPEGINPUT[@]}" -vf signature=format=xml:filename="${FINGERDIR}/${SIGNATURE}" -map 0:v -f null -
    FINGERPRINT_XML="${FINGERDIR}/${SIGNATURE}"

    #Report to DB
    if [ "${PERCEPTUAL_HASH}" = "1" ] && [ "${PREMIS_DB}" = "Y" ]; then
        _fingerprint_to_db
        _report_to_db
        _report_fingerprint_db
        _eventoutcome_update
        gzip "${FINGERPRINT_XML}"
    else
        gzip "${FINGERPRINT_XML}"
    fi
done