How to merge two MP4 files with FFmpeg?

Question

Video

The files have already been recoded, the encoding is all the same, you just need to glue it together, how to do it?

Answer 1

ffmpeg -i video1.mp4 -c copy -bsf h264_mp4toannexb video1.ts

ffmpeg -i "concat:video1.ts|video2.ts|" -c copy -bsf:a aac_adtstoasc video_done.mp4

Answer 2

My version is similar to the one described above only with a graphical interface, maybe someone needs