mute="" proportion="" for v in "[email protected]";do if [ "$v" == "4x3" ];then rm "$outFile" proportion="$p4x3" elif [ "$v" == "16x9" ]; then proportion="$p16x9" elif [ "$v" == "mute" ]; then mute="-an" fi done
files=$(ls ${dir}*.${inExt}) for v in $files; do outFile="${v:0:-$lenExt}$outExt"
if [ "$1" == "delOut" ];then rm "$outFile" elif [ "$1" == "clean" ]; then rm "$v" elif [ "${proportion}" != "" ]; then if [ "$mute" == "" ];then ffmpeg -i "$v" -s "$proportion" "$outFile" else ffmpeg -i "$v" -s "$proportion" "$mute" "$outFile" fi else echo "参数 $1 不在支持访问内" exit 0 fi done