Script to resize videos, keeping all metadata. I use it to make iCloud videos smaller.

Resize iPhone videos

#!/bin/bash

# Source directory for input files
src_dir="/Volumes/ExterneSSD/Resize/ToBeConverted"

# Destination directory for converted files
dest_dir="/Volumes/ExterneSSD/Resize/Resized"

# Directory for moved original files
converted_originals_dir="/Volumes/ExterneSSD/Resize/ConvertedOriginals"

# Create a subfolder with the current datetime in "original_dir"
timestamp=$(date +"%Y-%m-%d-%H-%M")
converted_originals_subdir="$converted_originals_dir/$timestamp"
dest_subdir="$dest_dir/$timestamp"
mkdir -p "$converted_originals_subdir"
mkdir -p "$dest_subdir"

# Suffix to add to the converted file name
suffix="_resized"

# Iterate over each file in the source directory
for file in "$src_dir"/*; do
    if [ -f "$file" ]; then
        # Get the file extension
        ext="${file##*.}"

        # Check if the file name ends with "_resized"
        if [[ "$file" == *"_resized.${ext}" ]]; then
            continue  # Skip files already processed
        fi
        
        # Generate the destination file path with the suffix
        dest_file="${dest_subdir}/$(basename "$file" .${ext})${suffix}.${ext}"
        
        echo "call ffmpeg"
        # Convert the file using FFmpeg (modify the FFmpeg command as needed)
        ffmpeg -i "$file" -c:v libx265 -crf 28 -c:a aac -b:a 128k -tag:v hvc1 "$dest_file"

        echo "call exiftool"
        # Copy metadata from the original file to the converted file using ExifTool
        exiftool -tagsFromFile "$file" -extractEmbedded -all:all -FileModifyDate -overwrite_original "$dest_file"

        mv "$file" "$converted_originals_subdir/"

        echo "Processed: $file"
    fi
done