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