horriblesubs doesn't have maousama or majestic prince, or i would use. commiesubs is supposedly 10bit mkv, yes, mx video which i use i have set to run the hd+ codec for 10bit mkv's, itwill not run via the hd+, it will only run via sw mode., recoding via format factory, just changing to h264 codec, it runs fine via hd+ codec, did it convert to 8bit? no idea, i just select make mkv, open file, make sure h264 selected and hit start. at the same time i open mkvtools, extract the subtitles, when decode done i open it in mkvtools add subtitle file, press start, 10 sec later it runs with subs, streamed to my tablet. all icare is, it works.