makeprores

#!/bin/bash
# makeprores
# makes a file appropriate for keeping editors happy
version="1.0"
unset dependencies
dependencies=(ffmpeg)
outputdir="$HOME/Desktop/$(basename $0)" # default output directory, override with -o

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

usage(){
    echo
    echo "$(basename $0) ${version}"
    echo "This application will create a prores/quicktime file (suitable for editing) from a video file or package input with the following options. By default the output will be written to ${outputdir}. You can override this with the -o option."
    echo "Dependencies: ${dependencies[@]}"
    echo "Usage: $(basename $0) [ -o /directory/to/write/to/ ] fileorpackage1 [ fileorpackage2 ...]"
    echo "  -o directory ( directory to write the resulting file to )"
    echo "  -h ( display this help )"
    echo
    exit
}
[ "$#" = 0 ] && usage
check_dependencies "${dependencies[@]}"

cleanup(){
    log -a "Process aborted"
    exit 1
}

trap cleanup SIGHUP SIGINT SIGTERM

OPTIND=1
while getopts ":ho:" opt; do
    case "$opt" in
        h) usage ;;
        o) 
            outputdir="$OPTARG"
            if [ ! -d "$outputdir" ] ; then
                report -wt "The output directory option, $outputdir, does not refer to an actual directory. Quitting."
                exit 1
            fi
            ;;
        *) echo "bad option -$OPTARG" ; usage ;;
        :) echo "Option -$OPTARG requires an argument" ; exit 1 ;;
    esac
done
shift $(( ${OPTIND} - 1 ))

while [ "$*" != "" ] ; do
    input="$1"
    if [ -z "${outputdir}" ] ; then
        [ -d "$input" ] && { outputdir="$input/objects/access/prores" && logdir="$input/metadata/submissionDocumentation/logs" ;};
        [ -f "$input" ] && { outputdir=$(dirname "$input")"/access/prores" && logdir="$(dirname "$input")/access/logs" ;};
        [ ! "$outputdir" ] && { outputdir="$input/objects/access/prores" && logdir="$input/metadata/submissionDocumentation/logs" ;};
    else
        logdir="$outputdir/logs"
    fi
    
    find_input "$input"

    filename=$(basename "$sourcefile")
    mediaid=$(basename "$1" | cut -d. -f1)

    log -b

    outputfile="${outputdir}/${mediaid%.*}_prores.mov"
    [ -s "${outputfile}" ] && { report -wt "WARNING ${outputfile} already exists, skipping transcode" ; [ "$#" = 1 ] && exit 86 || { shift ; continue ;} ;};
    mkdir -p "${outputdir}"
    get_height "${sourcefile}"
    get_width "${sourcefile}"

    unset inputoptions
    inputoptions+=(-vsync 0)
    unset middleoptions
    middleoptions+=(-map 0:v)
    middleoptions+=(-map 0:a)
    middleoptions+=(-c:v prores)
    middleoptions+=(-c:a pcm_s16le)

    if [ "${logdir}" != "" ] ; then
        mkdir -p "${logdir}"
        export FFREPORT="file=${logdir}/%p_%t_$(basename $0)_${version}.txt"
        inputoptions+=(-v warning -stats)
    fi
    report -dt "Working on $(basename ${outputfile})."
    report -dt "Running: ffmpeg ${inputoptions[@]} -i \"${sourcefile}\" ${middleoptions[@]} \"${outputfile}\""
    ffmpeg ${inputoptions[@]} -i "${sourcefile}" ${middleoptions[@]} "${outputfile}"
    echo
    report -dt "$(basename ${outputfile}) is done."
    shift
    log -e
done