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#!/bin/bash
# Extract MP3 audio from a video file
if [ $# -eq 0 ]; then
echo "Usage: video2mp3 <input_file> [output_file]"
echo "Example: video2mp3 video.mp4"
echo "Example: video2mp3 video.mp4 audio.mp3"
exit 1
fi
INPUT="$1"
# Check that the file exists
if [ ! -f "$INPUT" ]; then
echo "Error: file not found: $INPUT"
exit 1
fi
# Determine the output filename
if [ $# -eq 2 ]; then
OUTPUT="$2"
else
# Strip the extension from the input file and append .mp3
OUTPUT="${INPUT%.*}.mp3"
fi
echo "Converting: $INPUT -> $OUTPUT"
# Extract mp3 with ffmpeg (high quality: 320kbps)
ffmpeg -i "$INPUT" -vn -acodec libmp3lame -b:a 320k "$OUTPUT"
if [ $? -eq 0 ]; then
echo "✓ Done: $OUTPUT"
else
echo "✗ An error occurred"
exit 1
fi
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