I reckon you'll be waiting for some time Peter... seems that accurate file splitting with ffmpeg can only be done via multiple commands (couldn't really make it work accuratelly), multiple outputs or scripting (only found a python one, video spliter). I am no guru, not even a beginner, but this works (on mac) as long as you don't expect exact/accurate 10 seconds files, has somethin' to do with timestamps, keyframes or mother milk :P
ffmpeg -i input-file -f segment -segment_time 10 -segment_format_options movflags=+faststart -strict -2 OUTPUT%03d.mp4 more at ffmpeg documentation

Despite Hybrid has TsMuxerR and whatnot, could not find my way to batch-split...
The only free, accurate, hassle free way I know is Tsmuxer, yes I tried and yes with 4k file

 
PS
The multi command
echo "Two commands" time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv echo "One command" time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 \ -sn test3.mkv -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test4.mkv