Muxing Audio- and Video-Container together

ffmpeg -i video.ts -i audio.ts -c:v copy -c:a aac output.mp4

Benchmarks:
3,2 GHz 6-Core Intel Core i7
frame=36438 fps=1348 q=-1.0 size= 413952kB time=00:24:17.47 bitrate=2326.7kbits/s speed=53.9x
2,5 GHz 8-Core Apple M2
frame=166781 fps=2123 q=-1.0 Lsize= 1730859kB time=01:51:11.25 bitrate=2125.4kbits/s speed=84.9x
3,3 GHz 10-Core Apple M2 Pro
frame=13229 fps=2204 qfframe=201471 fps=2310 q=-1.0 Lsize= 2117942kB time=02:14:19.06 bitrate=2152.9kbits/s speed=92.4x