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sam2/notebooks/copy_audio.sh
2024-10-20 14:47:54 -07:00

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#!/bin/bash
# Script: copy_audio.sh
# Description: Combines the video from input.mp4 with the audio from audio.mp4
# Usage: ./copy_audio.sh input.mp4 audio.mp4
# Check if the correct number of arguments is provided
if [ $# -ne 2 ]; then
echo "Usage: $0 <input_video.mp4> <audio_video.mp4>"
exit 1
fi
# Get input arguments
INPUT_VIDEO="$1"
AUDIO_VIDEO="$2"
# Check if the input files exist
if [ ! -f "$INPUT_VIDEO" ]; then
echo "Error: Input video file '$INPUT_VIDEO' does not exist."
exit 1
fi
if [ ! -f "$AUDIO_VIDEO" ]; then
echo "Error: Audio video file '$AUDIO_VIDEO' does not exist."
exit 1
fi
# Extract the basename of the input video without extension
BASENAME=$(basename "$INPUT_VIDEO" .mp4)
# Construct the output filename
OUTPUT_VIDEO="${BASENAME}_with_audio.mp4"
# Use ffmpeg to combine the video and audio
ffmpeg -i "$INPUT_VIDEO" -i "$AUDIO_VIDEO" -c copy -map 0:v:0 -map 1:a:0 "$OUTPUT_VIDEO"
echo "Created '$OUTPUT_VIDEO' with video from '$INPUT_VIDEO' and audio from '$AUDIO_VIDEO'."