Movie Checker - bash scripts to validate and find errors in a video file collection

movieChecker.sh

#!/bin/bash

DIRLIST="/mnt/media"
REPORT_FILE="/home/aaron/moviereport.xml"

avg_read_speed() {
        START_SEC=${1}
        END_SEC=${2}
        SIZE_BYTES=${3}

        DURATION=$(expr ${END_SEC} - ${START_SEC})
        BYTES_PER_SEC=$(expr ${SIZE_BYTES} / ${DURATION})

        if [ -z  "${START_SEC}" -o -z "${END_SEC}" -o -z "${SIZE_BYTES}" ]; then
                # no op
                echo
        elif [ "${BYTES_PER_SEC}" -ge 1000000000 ]; then
                echo "$(expr ${BYTES_PER_SEC} / 1000000000) GiB/s"
        elif [ "${BYTES_PER_SEC}" -ge 1000000 ]; then
                echo "$(expr ${BYTES_PER_SEC} / 1000000) MiB/s"
        elif [ "${BYTES_PER_SEC}" -ge 1000 ]; then
                echo "$(expr ${BYTES_PER_SEC} / 1000) KiB/s"
        else
                echo "${BYTES_PER_SEC} B/s"
        fi
}

FILE_LIST=$(find "${DIRLIST}" -type f)

# echo -e "${FILE_LIST}"

echo "<movieChecker>" > ${REPORT_FILE}
echo "<filelist>" >> ${REPORT_FILE}

while IFS= read -r line; do
        echo "<file>$line</file>" >> ${REPORT_FILE}
done < <(echo -e "${FILE_LIST}")

echo "</filelist>" >> ${REPORT_FILE}
echo "<fileReports>" >> ${REPORT_FILE}

set -x

while IFS= read -r line; do
        echo "Working on ${line}"
        echo "<fileReport>" >> ${REPORT_FILE}
        echo "<fileName>$line</fileName>" >> ${REPORT_FILE}
        rm /tmp/movieChecker.log
        FILE_SIZE_BYTES=$(stat --printf="%s" "${line}")
        READ_START_SEC=$(date +"%s")
        ffmpeg -nostdin -v error -i "${line}" -f null -max_muxing_queue_size 4096 - 2>/tmp/movieChecker.log
        READ_END_SEC=$(date +"%s")
        AVG_READ_SPEED=$(avg_read_speed ${READ_START_SEC} ${READ_END_SEC} ${FILE_SIZE_BYTES})
        ERROR_COUNT=$(cat /tmp/movieChecker.log | cut -d ' ' -f 1-3 | uniq | wc -l)
        echo "<readSpeed>${AVG_READ_SPEED}</readSpeed>" >> ${REPORT_FILE}
        echo "<badBlockCount>${ERROR_COUNT}</badBlockCount>" >> ${REPORT_FILE}
        echo "<ffmpegLog><![CDATA[$(cat /tmp/movieChecker.log)]]></ffmpegLog>" >> ${REPORT_FILE}
        echo "</fileReport>" >> ${REPORT_FILE}
        # read -p "Press enter to continue" </dev/tty
done < <(echo -e "${FILE_LIST}")

echo "<fileReports>" >> ${REPORT_FILE}
echo "</movieChecker>" >> ${REPORT_FILE}

quickReport.sh

#!/bin/bash

cp moviereport.xml moviereport.tmp.xml
sed -i "s/\&/\&/g" moviereport.tmp.xml
echo "</fileReport>" >> moviereport.tmp.xml
echo "</fileReports>" >> moviereport.tmp.xml
echo "</movieChecker>" >> moviereport.tmp.xml

MATCHES=$(xmllint --xpath "//fileReport[badBlockCount/text() != "0"]/fileName" moviereport.tmp.xml | sed "s/<\/fileName>/<\/fileName>\n/g")

echo -e "${MATCHES}"

echo -n "Total bad files: "
echo -e "${MATCHES}" | wc -l
echo -n "Total files scanned: "
xmllint --xpath "count(//fileReport)" moviereport.tmp.xml
echo
echo -n "Total file count: "
xmllint --xpath "count(//file)" moviereport.tmp.xml
echo