Batch Media Processing Scripts

#!/bin/bash
# Convert all videos to web-ready MP4
INPUT_DIR="./raw"
OUTPUT_DIR="./processed"
mkdir -p "$OUTPUT_DIR"

for file in "$INPUT_DIR"/*.{mp4,avi,mov,mkv,wmv}; do
  [ -f "$file" ] || continue
  filename=$(basename "$file")
  name="${filename%.*}"

  echo "Processing: $filename"
  ffmpeg -i "$file" \
    -c:v libx264 -crf 23 -preset medium \
    -c:a aac -b:a 128k \
    -movflags +faststart \
    -y "$OUTPUT_DIR/${name}.mp4"
done
echo "Done! Processed $(ls "$OUTPUT_DIR"/*.mp4 | wc -l) files."

#!/bin/bash
# Extract thumbnail at 10% of video duration
for file in ./videos/*.mp4; do
  [ -f "$file" ] || continue
  name=$(basename "$file" .mp4)

  # Get duration and calculate 10% position
  duration=$(ffprobe -v error -show_entries format=duration \
    -of default=noprint_wrappers=1:nokey=1 "$file")
  timestamp=$(echo "$duration * 0.1" | bc)

  ffmpeg -i "$file" -ss "$timestamp" -vframes 1 \
    -vf "scale=640:-1" \
    -y "./thumbnails/${name}.jpg"
done

#!/bin/bash
# Process files in parallel (use GNU parallel or xargs)
find ./raw -name "*.mp4" | xargs -P 4 -I {} bash -c '
  file="{}"
  name=$(basename "$file" .mp4)
  ffmpeg -i "$file" \
    -c:v libx264 -crf 23 -preset fast \
    -c:a aac -b:a 128k \
    -movflags +faststart \
    -y "./processed/${name}.mp4" 2>/dev/null
  echo "Done: $name"
'

#!/bin/bash
# Generate CSV report of all media files
echo "filename,duration,resolution,codec,size_mb" > report.csv

for file in ./media/*.{mp4,mkv,avi}; do
  [ -f "$file" ] || continue
  name=$(basename "$file")
  duration=$(ffprobe -v error -show_entries format=duration -of csv=p=0 "$file")
  resolution=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=p=0 "$file")
  codec=$(ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of csv=p=0 "$file")
  size_mb=$(echo "scale=2; $(stat -f%z "$file" 2>/dev/null || stat --printf="%s" "$file") / 1048576" | bc)

  echo "$name,$duration,$resolution,$codec,$size_mb" >> report.csv
done