131 lines
4.8 KiB
Bash
131 lines
4.8 KiB
Bash
#!/bin/bash
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set -x
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# Get current month and year
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current_month=$(date +%m)
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current_year=$(date +%Y)
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# Determine the music directory based on the current month
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music_base_dir='/home/user/drives/local-2tb/music/4 Seasons'
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# For the 1st day of the month, use last month's music, otherwise use the current month's music
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if [ "$(date +%d)" -eq 01 ]; then
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# Use the previous month's music
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music_file=$(find "$music_base_dir" -type f -name "$(date --date="last month" +%m)*" | head -n 1)
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else
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# Use the current month's music
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music_file=$(find "$music_base_dir" -type f -name "${current_month}*" | head -n 1)
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fi
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# Check if the music file exists
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if [ ! -f "$music_file" ]; then
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echo "Music file not found!"
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exit 1
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fi
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# Get the duration of the music file in seconds
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music_duration=$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "$music_file")
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echo "Music duration: $music_duration seconds"
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# Calculate the number of days in the current month using `date`
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days_in_month=$(date -d "$(date +%Y-%m-01) +1 month -1 day" +%d)
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echo "Number of days in the current month: $days_in_month"
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# Target total video duration (music duration + 3 seconds)
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target_total_duration=$(echo "$music_duration + 3" | bc)
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echo "Target total video duration (music + 3 seconds): $target_total_duration seconds"
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# Calculate the target duration per video
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target_duration_per_video=$(echo "$target_total_duration / $days_in_month" | bc -l)
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echo "Each day's target video length: $target_duration_per_video seconds"
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# Calculate the date for yesterday
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yesterday=$(date --date="yesterday" +%Y-%m-%d)
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echo "Processing images for yesterday: $yesterday"
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# Get the directory of the script
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script_dir=$(dirname "$(readlink -f "$0")")
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# Extract the base directory and the first word of the script's folder name
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base_dir="/home/user/drives/local-2tb"
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first_word_of_script_folder=$(basename "$script_dir" | cut -d'-' -f1)
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# Define the directory where images are stored
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image_dir="$base_dir/$first_word_of_script_folder/$yesterday"
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# Count the total number of images (JPEG files)
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total_images=$(find "$image_dir" -type f -name "*.jpg" | wc -l)
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# If no images are found, exit
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if [ "$total_images" -eq 0 ]; then
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echo "No images found in $image_dir."
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exit 1
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fi
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# Create a new directory for the output video based on year and month
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output_date=$(date +"%Y-%m") # yyyy-mm format
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output_dir="$base_dir/movies/$first_word_of_script_folder/$output_date"
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mkdir -p "$output_dir"
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# Define the output video path
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output_video="$output_dir/${yesterday}_${first_word_of_script_folder}-day.mp4"
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# If the video already exists, rename the output file to avoid overwriting
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if [ -f "$output_video" ]; then
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echo "File already exists, renaming the file..."
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output_video="$output_dir/${yesterday}_${first_word_of_script_folder}-day-4month.mp4"
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fi
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# Create a temporary text file with the sorted list of image paths
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temp_file=$(mktemp)
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find "$image_dir" -type f -name "*.jpg" | sort -n | while read image; do
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echo "file '$image'" >> "$temp_file"
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done
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# Calculate the number of images
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num_images=$(wc -l < "$temp_file")
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echo "Total images found for the video: $num_images"
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# If there are fewer than 1 image, exit
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if [ "$num_images" -lt 1 ]; then
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echo "No images found, exiting."
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exit 1
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fi
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# First, create the video using default frame rate (no speed-up or slow-down yet)
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echo "Creating video at default frame rate..."
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ffmpeg -f concat -safe 0 -i "$temp_file" -c:v libx264 -pix_fmt yuv420p -crf 28 -vsync 2 -y "$output_video"
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# Check the duration of the created video
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video_duration=$(ffmpeg -i "$output_video" 2>&1 | grep "Duration" | cut -d ' ' -f 4 | sed s/,//)
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echo "Initial video duration: $video_duration"
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# Get the video duration in seconds (from HH:MM:SS format)
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IFS=':' read -r hours minutes seconds <<< $(echo $video_duration | cut -d '.' -f1) # Extract time
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total_seconds=$(($hours * 3600 + $minutes * 60 + $seconds)) # Convert to total seconds
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# Calculate the speed-up factor to make the video fit into the target duration
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speed_up_factor=$(echo "scale=3; $total_seconds / $target_duration_per_video" | bc)
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echo "Calculated speed-up factor: $speed_up_factor"
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# Adjust the playback speed using the setpts filter to make the video fit into the target duration
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final_video="$output_dir/${yesterday}_${first_word_of_script_folder}-day-4month.mp4"
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ffmpeg -i "$output_video" -filter:v "setpts=PTS/$speed_up_factor" -y "$final_video"
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# Check the duration of the adjusted video
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adjusted_duration=$(ffmpeg -i "$final_video" 2>&1 | grep "Duration" | cut -d ' ' -f 4 | sed s/,//)
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echo "Adjusted video duration: $adjusted_duration"
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# Check for ffmpeg success
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if [ $? -ne 0 ]; then
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echo "Error: ffmpeg failed to create the final video."
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exit 1
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fi
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# Inform user the video has been created
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echo "Video created at $final_video"
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# Clean up the temporary file
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rm "$temp_file"
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