al_open_video - Allegro 5 API

       Reads  a  video  file.  This does not start playing yet but reads the meta info so you can query e.g. the
       size or audio rate.

       al_open_video - Allegro 5 API

       5.1.0

Allegro reference manual                                                                  al_open_video(3alleg5)

              #include <allegro5/allegro_video.h>

              ALLEGRO_VIDEO *al_open_video(char const *filename)