SHELL

how to convert ts to mp4 with ffmpeg

ffmpeg -i input.ts -c:v libx264 -c:a aac output.mp4

ffmpeg join ts files to mp4

// Windows
copy /b segment1_0_av.ts+segment2_0_av.ts+segment3_0_av.ts all.ts
ffmpeg -i all.ts -acodec copy -vcodec copy all.mp4

// GNU/Linux, using bash:
cat segment1_0_av.ts segment2_0_av.ts segment3_0_av.ts > all.ts
ffmpeg -i all.ts -acodec copy -vcodec copy all.mp4