With you get something like:
dyld: Library not loaded: @rpath/ffmpeg/lib/osx/libavutil.55.dylib Referenced from: /Users/studio/Work/Repositories/Cannula/HAPTest/bin/HAPTest.app/Contents/MacOS/HAPTest Reason: image not found
On Xcode > Build Settings > Other Linker Flags > Debug AND Release (not using AppStore), change:
@loader_path/../../../OFReleases/OF0101/addons/ofxHapPlayer/libs