fpv_process_script.sh

#!/bin/bash

# Directory containing the video files
VIDEO_DIR="/media/drive/Футажи/DJI FPV DVRS/DCIM/100MEDIA"
LOG_FILE="/var/log/video_processing/log.log"
PROGRESS_FILE="/var/log/video_processing/process"
PROCESSED_DIR="/media/drive/Футажи/DJI FPV DVRS/DCIM/100MEDIA/with_OSD"

# Ensure the processed directory exists
mkdir -p "$PROCESSED_DIR"

# Function to process video file
process_video() {
  local video_file="$1"
  local base_name=$(basename "$video_file")
  local output_file="$PROCESSED_DIR/${base_name%.mp4}_processed.mp4"
  local temp_output_file="${output_file%.mp4}_temp.mp4"
  local subtitle_file="${video_file%.mp4}.srt"

  echo "Processing $video_file with output $output_file" | tee -a "$LOG_FILE"
  
  # Transcode video with OSD and compress using fpv cli
  fpv transcode-video --osd "$video_file" "$temp_output_file" >> "$LOG_FILE"
  
  if [[ $? -eq 0 ]]; then
    if [[ -f "$subtitle_file" ]]; then
      #ffmpeg -i "$temp_output_file" -i "$subtitle_file" -c copy -c:s mov_text "$output_file" >> "$LOG_FILE"
       #ffmpeg -i infile.mp4 -i infile.srt -c copy -c:s mov_text outfile.mp4
        echo "sayses bugs"   
   else
      mv "$temp_output_file" "$output_file"
    fi

    if [[ $? -eq 0 ]]; then
      echo "Processed $video_file successfully." | tee -a "$LOG_FILE"
      echo "$video_file" >> "$PROGRESS_FILE"
    else
      echo "Failed to mux subtitles for $video_file." | tee -a "$LOG_FILE"
    fi
  else
    echo "Failed to process $video_file." | tee -a "$LOG_FILE"
  fi

  # Clean up temporary file if it exists
  [[ -f "$temp_output_file" ]] && rm "$temp_output_file"
}

# Main processing loop
while true; do
  for video_file in "$VIDEO_DIR"/*.mp4; do
    # Skip files that have already been processed
    if grep -q "$video_file" "$PROGRESS_FILE"; then
      continue
    fi

    process_video "$video_file"
  done

  # Sleep for a while before checking for new files
  sleep 600  # 10 minutes
done

Do not forget to create all dirs and files before run

sudo mkdir -p /var/log/video_processing
sudo touch /var/log/video_processing/log.log
sudo mkdir -p "/media/drive/Футажи/DJI FPV DVRS/DCIM/100MEDIA/with_OSDs"
sudo touch /var/log/video_processing/process