Release Version 0.6.1
- Improve D3D11 renderer, more pixel formats
- Player.snapshot() supports saving to file
- Support QSV decoder via DXVA2, and 0-copy rendering
- Subtitle WIP.
- Encoder WIP.
- Fix endless wait in loop mode
- Environment var name change: GL_MMAL_FORMAT=>MMAL_GL_FORMAT, GL_VAAPI=>VAAPI_GL, GL_VDPAU=>VDPAU_GL