Originally Posted by EVT
Your talking about conversion,
There is no conversion to .m2ts. The native format of the AV file that comes off the BD disk is .m2ts -- it contains the video and all the audio and subtitle tracks and since it is the native BD container just about every media player on the planet will play .m2ts perfectly. In the extreme -- if you have a title that is not authored with seamless branching you can simply rip the whole disk to folder structure onto your HDD then go into the BDMV\STREAMS folder and pull out the largest .m2ts file and rename it with your movie title -- done. If you are only after the main movie title, the only reason to retain the BD folder structure is if you have a player that can process the playlist to give you chapter skip support because that's all you get from the rest of the folder structure -- the playlist.
In the case where you want the main title with less than all the audio/subtitle tracks it comes with, the ripper has to rip the .m2ts file, then demux it to its individual streams then remux the streams you want into a new .m2ts file. Doing this direct from the BD disk can take a lot more time than simply ripping the full disk to the HDD. As I noted above, using DVD Fab, I can do a pair of full-disk BD rips in under 30 min (to folder structure). If I select the main title and remove all the undesired audio/subtitle tracks, it takes longer. If you are only doing 1 disk, it may not matter. If doing multiple disks it make take a lot less of your
time to quickly rip the disks to HDD and process them in batch mode.
There are other considerations depending on what format your player is most happy with and its capabilities. As I also mentioned, a DVD Fab main_title rip does not join the segments of seamless branching titles -- useless if you have a player like the WD Live. No "one way" to do it that fits everyone -- what some may consider "extra steps" are essential elements of another's workflow.