Bash drag and drop script to detect black borders on dropped videos and remove them.

ffmpeg-batchcropdetect.sh

#!/bin/bash

# Check if at least one file is provided
if [ "$#" -eq 0 ]; then
    echo "No files provided. Drag and drop video files onto this script."
    exit 1
fi

# Temporary file to store crop parameters
TEMP_FILE=$(mktemp)

# Loop through all dropped files
for FILE in "$@"; do
    # Check if the file exists
    if [ ! -f "$FILE" ]; then
        echo "File not found: $FILE"
        continue
    fi

    # Get crop parameters using cropdetect
    ffmpeg -i "$FILE" -vf cropdetect -f null - 2> "$TEMP_FILE"

    # Extract the last crop value from the temp file
    CROP_PARAMS=$(awk '/crop=/ {a=$NF} END{print a}' "$TEMP_FILE")

    # Check if crop parameters were found
    if [ -z "$CROP_PARAMS" ]; then
        echo "No crop parameters detected for $FILE."
        continue
    fi

    # Generate output filename by replacing the extension with .cropped.mp4
    OUTPUT_FILE="${FILE%.*}-NOLTBX.mp4"

    # Apply cropping and save the output file
    ffmpeg -i "$FILE" -vf "$CROP_PARAMS" -c:a copy "$OUTPUT_FILE" -y

    echo "Processed $FILE -> $OUTPUT_FILE"
done

# Clean up temporary file
rm "$TEMP_FILE"