MediaCoder

I've tried, but it hasn't been played correctly.

Are you planning support of AVCHD, which should be a modification of MPEG-4 Layer 10 H.264 (as I've just come to know)?

No, I'd like to convert m2ts (AVCHD 1080i, 1440 x 1080) directly into AVI, for e.g.
I have to first use Sony Picture Motion Browser to convert m2ts into mpg (DVD, 720 x 568) and then use MediaCoder for conversion into AVI (XviD) currently...

I would really appreciate support of AVCHD (1080i) format that is on output of many HD camcorders as .m2ts. It should be some version of MPEG-4.

Try to folllow these steps: 1) Select VOB files that you want to join and encode 2) If doesn't have player for VOBs, use VLC ( http://www.videolan.org ) that doesn't need installation of extra codecs which is its great plus 3) Copy selected VOB files into one new folder. 4) Join them by using DVD Sh...