scale_video_sh

gistfile1.txt

#!/bin/bash

scaleFactor=0.5

for file in *.mp4; do
    # Extract original dimensions
    width=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of csv=p=0 "${file}")
    height=$(ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=p=0 "${file}")

    # Calculate new dimensions
    newWidth=$(echo "$width * $scaleFactor" | bc)
    newHeight=$(echo "$height * $scaleFactor" | bc)

    # Resize video
    ffmpeg -i "${file}" -vf "scale=${newWidth}:${newHeight}" "resized_${file}"

    rm "${file}"
    mv "resized_${file}" "${file}"
done