yes triples why you no wanting using livestreamer yes?
Code:
livestreamer --http-header "Referer=http://www.iapcursosonline.com" "hlsvariant://http://iapcursos.localmidia.com.br/iapcursos/_definst_/iapcursos/Portugues/AcordoOrtografico/PorACOMourao001.mp4/playlist.m3u8" best -o PorACOMourao001.ts