Async io ffmpeg demo

Async io impl, FFmpeg use async_runtime library.

Build instructions

To build you will need:

• async_runtime >= 0.1.0
• ffmpeg >= 4.6
• libuv >= 1.44.1

mkdir build
cd cmake -DFFMPEG_INSTALL_DIR=/path/to/installed/dir/ffmpeg -DAR_INSTALL_DIR=/path/to/installed/dir/ar ..
make 
./async_video_read