72 lines
1.9 KiB
Bash
72 lines
1.9 KiB
Bash
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#!/bin/bash
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# Usage: ./convert.sh -c <chapter_number> -n <name> -i <index> [-d]
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# Example: ./convert.sh -c 3 -n building_systems -i 3 -d
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#
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# This will create a base filename: c03-building_systems-03
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# Input file: orig/c03-building_systems-03.mov
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# Output file: video/c03-building_systems-03.mp4
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# If -d is provided, it will prompt to delete the original file after conversion.
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usage() {
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echo "Usage: $0 -c <chapter_number> -n <name> -i <index> [-d]"
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exit 1
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}
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# Initialize variables
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chapter=""
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name=""
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index=""
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delete_flag=false
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# Parse command-line options
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while getopts "c:n:i:d" opt; do
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case "$opt" in
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c) chapter="$OPTARG" ;;
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n) name="$OPTARG" ;;
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i) index="$OPTARG" ;;
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d) delete_flag=true ;;
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*) usage ;;
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esac
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done
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# Make sure all required options are provided
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if [ -z "$chapter" ] || [ -z "$name" ] || [ -z "$index" ]; then
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usage
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fi
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# Format chapter and index as two-digit numbers
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formatted_chapter=$(printf "%02d" "$chapter")
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formatted_index=$(printf "%02d" "$index")
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# Construct the base filename: cXX-name_XX
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BASENAME="c${formatted_chapter}-${name}-${formatted_index}"
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# Construct the input and output filenames
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INPUT="orig/${BASENAME}.mov"
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OUTPUT="video/${BASENAME}.mp4"
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echo "Converting..."
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echo "Input file: $INPUT"
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echo "Output file: $OUTPUT"
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# Run ffmpeg with your chosen parameters
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ffmpeg -i "$INPUT" -vf "scale=-2:720" -preset slow -crf 30 -b:v 500k -c:v libx264 -c:a aac -b:a 96k "$OUTPUT"
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# Check if -d flag was used and prompt for deletion
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if [ "$delete_flag" = true ]; then
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while true; do
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read -p "Do you want to delete the original file $INPUT? Y/n " confirm
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if [[ -z "$confirm" || "$confirm" =~ ^[Yy]$ ]]; then
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rm "$INPUT"
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echo "Original file deleted."
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break
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elif [[ "$confirm" =~ ^[Nn]$ ]]; then
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echo "Original file kept."
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break
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else
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echo "Invalid input. Please enter Y/n."
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fi
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done
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fi
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