Changelog:
- Selectable audio track
- Multiple rendering target for 1 video support
- Hardware decoding support(unstable): DXVA2 for windows, VA-API for
x11(bad performance now)
- Region of Interest(ROI) support, i.e. crop.
- Filter support(Experimental)
- Video eq: brightness, contrast, saturation
- Repeat support
- Mang api changes
- QML: compatible with many QtMultiMedia APIs
- build/install: check arch, fix wrong rpath and launch error on Mac,
add installer
- player: playlist, history, better online tv, etc.