TODO

• global delay to sync

• SDK, document

• use ring buffer instead of queue

• video quality, hue, brightness, rotate etc. (in 1 filter)

• tests and benchmark

• aspect ratio

• play speed

• subtitle

• osd, statistics, media meta data

• component model, plugin framework

• filter factory and manager

• hwa: openal, opensl, opengl, opencl, cuda, ipp for decoder or filters, directx