OpenMAX is concerned with displaying images and videos. Both OpenGL ES and OpenVG are concerned with drawing shapes in various ways. Subtitles are systems where dynamic text is drawn on top of images, static or dynamic. This chapter investigates issues in displaying overlays from one system on top of another on the Raspberry Pi.
Introduction
In Chapter 15, you considered drawing OpenMAX images/videos on top of an OpenGL ES surface. In this chapter, you’ll consider the converse problem of using an OpenMAX surface and drawing on top of that surface.
Drawing OpenMAX onto ...
