3440x1440 video editing software?

RipGroove

Honorable
Jan 12, 2013
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Nvidia Shadowplay seems to have no issue recording in 3440x1440 and YouTube seems happy to accept 21:9 videos but my video editing software (Cyberlink PowerDirector 13) will not output a 21:9 video, it'll only do 4:3 or 16:9

So can anyone recommend some editing software that will output 21:9? Preferably something nice and simple like my PowerDirector, I don't need anything fancy at all for gameplay videos, all I want is the ability to add text, trim and speed up/slow down the video, also it must kick out a decent quality.
 
And yes I know if I upload a 21:9 video to YouTube that 90% of the viewers will be using 16:9 monitors so they'll have black bars down either side but I can live with that. I want my 21:9 video to display full screen perfectly on a 21:9 monitor.