release version 0.4.0
- API:
- add Player.setRange(a, b)
- add Player.setLoop(count), onLoop(callback)
- Reduce pixel format storage
- Fix onEvent() can not add multiple callbacks
- Support windows on arm64
- VA-API: support map to host
- GL: support creating ES context from WGL
- avglue plugin is now merged into main library
- FFmpeg code is no longer embedded into mdk by default. External ffmpeg4.0+ is loaded automatically. Distributing mdk sdk is easier especially on linux