any1 can tell me how to convert the rmvb format so tat it can burn into dvd play in dvd player ? 1st fo all have to convert rmvb to wat format ? and which software could do that ?

before i use winavi converter can convert to dvd, vcd,svcd,avi,it's ok.now i use convertxtodvd,this software only convert to dvd only but it's more powerful,it can convert 1280x720p mkv file to dvd too