process_videos.sh

#!/bin/bash

# Directory containing the videos
VIDEO_DIR="predefined"

# Target dimensions
TARGET_WIDTH=720
TARGET_HEIGHT=640

# Process each video in the directory
for video in "$VIDEO_DIR"/*.mov; do
    if [ -f "$video" ]; then
        echo "Processing: $video"
        
        # Get video dimensions
        width=$(ffprobe -v error -select_streams v:0 -show_entries stream=width -of default=noprint_wrappers=1:nokey=1 "$video")
        height=$(ffprobe -v error -select_streams v:0 -show_entries stream=height -of default=noprint_wrappers=1:nokey=1 "$video")
        
        # Calculate crop dimensions for 720:640 aspect ratio
        if [ "$width" -gt "$height" ]; then
            # If video is wider than tall
            crop_width=$(( height * TARGET_WIDTH / TARGET_HEIGHT ))
            crop_height=$height
            x_offset=$(( (width - crop_width) / 2 ))
            y_offset=0
        else
            # If video is taller than wide
            crop_width=$width
            crop_height=$(( width * TARGET_HEIGHT / TARGET_WIDTH ))
            x_offset=0
            y_offset=$(( (height - crop_height) / 2 ))
        fi
        
        # Process video with ffmpeg
        ffmpeg -i "$video" \
            -af "aresample=48000" \
            -vf "crop=$crop_width:$crop_height:$x_offset:$y_offset,scale=$TARGET_WIDTH:$TARGET_HEIGHT" \
            -c:v libx264 \
            -c:a aac \
            -y \
            "${video%.*}_processed.mov"
            
        echo "Completed: $video"
    fi
done

echo "All videos processed!"