makeframemd5

#!/usr/bin/env bash

SCRIPTDIR=$(dirname "${0}")
. "${SCRIPTDIR}/mmfunctions" || { echo "Missing '${SCRIPTDIR}/mmfunctions'. Exiting." ; exit 1 ;};

_usage(){
    echo
    echo "$(basename "${0}")"
    echo "Produces framemd5s for video files in a target directory."
    echo "Usage: $(basename "${0}") [ -h ] package1 [ package2 ... ]"
    echo "  -h (show usage)"
    exit
}
[ "${#}" = 0 ] && _usage

OPTIND=1
while getopts ":rh" OPT ; do
    case "${OPT}" in
        r) refile="Y" ;;
        h) _usage ;;
        *) echo "bad option -${OPTARG}" ; _usage ;;
    esac
done
shift $(( ${OPTIND} - 1 ))

_set_up_framemd5(){
    _log -b
    if [[ -d "${PACKAGE_PATH}/${OUTPUTDIR}" ]] ; then
        _report -wt "WARNING ${PACKAGE_PATH}/${OUTPUTDIR} already exists, not making framemd5."
        continue
    fi
    _mkdir2 "${PACKAGE_PATH}/${OUTPUTDIR}"
}

OUTPUTDIR="./metadata/frameMD5s"
while [ "${*}" != "" ] ; do
    PACKAGE_PATH="${1}"
    shift
    _set_up_framemd5
    cd "${PACKAGE_PATH}"
    FILELIST=$(_maketemp)
    find "./objects" -type f "${OBJECTS_FIND_EXCLUSIONS[@]}" > "${FILELIST}"
    (IFS=$'\n'
    for FILE in $(cat "${FILELIST}") ; do
        VIDEOTEST=$(file -Ib "${FILE}" | grep 'video')
        if [ -n "${VIDEOTEST}" ] ; then
            FILENAMEROOT=$(basename "${FILE}")
            PARENTDIR=$(dirname "${FILE}")
            FILEOUTPUT="${OUTPUTDIR}/${PARENTDIR}"
            if [ ! -d "${FILEOUTPUT}" ] ; then
                _run mkdir -p "${FILEOUTPUT}"
            fi
            ffmpeg -i "${FILE}" -f framemd5 -an "${FILEOUTPUT}/${FILENAMEROOT}.framemd5"
        else
            _report -d "No video track found in target. Skipping."
        fi
    else
        _set_up_framemd5
        cd "${PACKAGE_PATH}"
        FILELIST=$(_maketemp)
        find "./objects" -type f "${OBJECTS_FIND_EXCLUSIONS[@]}" > "${FILELIST}"
        (IFS=$'\n'
        for FILE in $(cat "${FILELIST}") ; do
            VIDEOTEST=$(file -Ib "${FILE}" | grep 'video')
            if [ -n "${VIDEOTEST}" ] ; then
                FILENAMEROOT=$(basename "${FILE}")
                PARENTDIR=$(dirname "${FILE}")
                FILEOUTPUT="${OUTPUTDIR}/${PARENTDIR}"
                if [ ! -d "${FILEOUTPUT}" ] ; then
                    _run mkdir -p "${FILEOUTPUT}"
                fi
                ffmpeg -i "${FILE}" -f framemd5 -an "${FILEOUTPUT}/${FILENAMEROOT}.framemd5"
            else
                _report -d "No video track found in target. Skipping."
            fi
        done)
        rm "${FILELIST}"
    fi
done