From Pavtube Studio:
Pavtube HD Video Converter for Mac offers users extraordinary HD video experience anytime and anywhere. Moreover, you'll find no difficulty importing HD videos to NLE such as iMovie, FCP, FCE, Avid Studio, Adobe Premiere Pro, Apple Aperture 3, Kdenlive, Keynote, Avid Xpress Pro, and Adobe Creative Suite 6, for Pavtube HD Video Converter for Mac can output videos Apple ProRes/AIC/DNxHD/DVCPRO.
What's new in this version:
1. Support for Mac OS X El Capitan.
2. Support encoding to HEVC MKV.
3. Compatible with Sony/LG/Samsung/Panasonic TVs.
4. Fix some bugs
I shoot video from a DJI Phantom 4 platform and convert my 4K files with PavTube HD converter for Mac.It powerfully supports DJI 4K videos. Also shoot with Sony video camera and convert for editing with FCP 7. It also can works in macOS Sierra.