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Documentation/Moodle/Tools/getvtt.sh
2025-08-20 09:47:42 +07:00

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#!/bin/bash
# Set the custom cache directory for Whisper models
export XDG_CACHE_HOME="/backup/whisper"
# Create the cache directory if it does not exist
mkdir -p "$XDG_CACHE_HOME"
# Function để xử lý từng file (chạy trong từng tiến trình riêng)
process_file() {
file="$1"
dir=$(dirname "$file")
filename=$(basename "$file" .mp4)
vtt_file="$dir/$filename.vtt"
if [ ! -f "$vtt_file" ]; then
echo "🔄 Generating subtitles for: $file"
whisper "$file" --model medium --output_format vtt --task transcribe --language en --output_dir "$dir"
if [ -f "$dir/${filename}_en.vtt" ]; then
mv "$dir/${filename}_en.vtt" "$vtt_file"
echo "✅ Created: $vtt_file"
else
echo "⚠️ Warning: Expected $dir/${filename}_en.vtt not found."
fi
else
echo "⏩ Subtitle already exists for: $file"
fi
}
export -f process_file
export XDG_CACHE_HOME
# Tìm tất cả file .mp4 và xử lý song song với tối đa 4 tiến trình
find . -type f -name "*.mp4" | xargs -n 1 -P 4 -I {} bash -c 'process_file "$@"' _ {}
echo "🎉 All done!"