Auto-transcribe and burn subtitles for all videos without existing subtitles

transcribe-and-burn.sh

for ext in avi mp4 mpg mkv; do
  for i in *.${ext}; do
    if [ ! -e "$(basename "$i" ".${ext}").srt" ]; then
      echo "Transcribing: $i"
      time whisperx "$i" --model large-v3 --language en --task transcribe --hf_token $HUGGINGFACE_TOKEN --compute_type int8 --chunk_size 5
      echo "Burning subtitles: $i"
      ffmpeg -i "$i" -vf subtitles="$(basename "$i" ".${ext}").srt" "$(basename "$i" ".${ext}")-burned.${ext}"
    else
      echo "Skipping: $i"
    fi
  done
done