Common tools to resize images & video converter

media.sh

#!/bin/bash

#REQUIREMENTS
# - ffmpeg
# - magick

mov_2_mp4() {
    if [ -z $1 ]; then
        echo "Please enter source file"
        return 1
    fi

    file=$1
    extension="${file##*.}"
    filename="${file%.*}"

    if [ $extension != "mov" ]; then
        echo "Not supported"
        return 1
    fi

    ffmpeg -i $file -vcodec h264 -acodec mp2 $filename.mp4
}

2webm() {
    if [ -z $1 ]; then
        echo "Please enter source file"
        return 1
    fi

    file=$1
    extension="${file##*.}"
    filename="${file%.*}"

    if [ $extension != "mov" ] && [ $extension != "mp4" ]; then
        echo "Not supported"
        return 1
    fi

    ffmpeg -i $file -c:v libvpx -crf 15 -b:v 1M -c:a libvorbis $filename.webm
}

2webp() {
    if [ -z $1 ]; then
        echo "Please enter source file"
        return 1
    fi

    file=$1
    extension="${file##*.}"
    filename="${file%.*}"

    if [ $extension != "png" ] && [ $extension != "jpeg" ] && [ $extension != "jpg" ]; then
        echo "Not supported"
        return 1
    fi

    echo "Please wait"
    magick $file $filename.webp
}

function resize_images() {
    delete_originals=false
    if [ "$1" = "-d" ]; then
        delete_originals=true
        shift
    fi

    dir="$1"

    for img in "$dir"/*.jpg; do
        if [ -f "$img" ]; then
            # Get the image dimensions using exiftool
            local width=$(exiftool -s3 -ImageWidth "$img")
            local height=$(exiftool -s3 -ImageHeight "$img")

            # Determine the longest edge
            if [ "$width" -gt "$height" ]; then
                local longest_edge=$width
            else
                local longest_edge=$height
            fi

            # Check if the longest edge is greater than 2048 pixels
            if [ "$longest_edge" -gt 2048 ]; then
                # Resize the image to 2048 pixels on the longest edge while preserving the aspect ratio
                local new_filename="$dir/HD-${img##*/}"
                ffmpeg -i "$img" -vf "scale='if(gt(iw,ih),2048,-1)':'if(gt(iw,ih),-1,2048)':flags=lanczos" -q:v 0 -c:a copy -metadata:s:v:0 dpi=72 "$new_filename"
                # Copy the EXIF data from the original image to the resized image
                exiftool -TagsFromFile "$img" "-all:all>all:all" -overwrite_original "$new_filename"

                # Delete the original file if the delete flag is set
                if $delete_originals; then
                    rm "$img"
                fi
            fi
        fi
    done

    # Process nested directories
    for dir in "$1"/*/; do
        if [ -d "$dir" ]; then
            if $delete_originals; then
                resize_images -d "$dir"
            else
                resize_images "$dir"
            fi
        fi
    done
}