ffmpeg join multiple mp4s

join3.sh

#!/bin/bash

# Define the paths to your input videos
video1='0001.mp4'
video2='0002.mp4'
video3='0003.mp4'
output='real-fish_123.mp4'

# Create a text file to list the input videos
echo "file '$video1'" > input.txt
echo "file '$video2'" >> input.txt
echo "file '$video3'" >> input.txt
# Use FFmpeg to concatenate the videos
ffmpeg -f concat -safe 0 -i input.txt -c:v libx264 -crf 18 -preset veryfast -c:a aac -strict experimental -y "$output"

echo "Video blending completed successfully."
vlc real-fish_123.mp4