Basic video app with OpenGL and libva

Douglas A c1cd454124 (decoder): add logic to decode frame and blit it to surface 3 lat temu
lib 09d252f672 (ffmpeg): add libav for decoding video frames 3 lat temu
src c1cd454124 (decoder): add logic to decode frame and blit it to surface 3 lat temu
.gitignore 71ba2c413c initial: boilerplate repository items 3 lat temu
.gitmodules 71ba2c413c initial: boilerplate repository items 3 lat temu
CMakeLists.txt 09d252f672 (ffmpeg): add libav for decoding video frames 3 lat temu
README.md 71ba2c413c initial: boilerplate repository items 3 lat temu

README.md