This chapter has nothing to do with sound. Videos often accompany audio. Karaoke oftens overlays the video with lyrics. Building an application to include video as well as audio takes you into the realm of graphical user interfaces (GUIs). This is a complex area in its own right and deserves (and has!) many books, including my own from many years back on the X Window System and Motif. This diversion chapter is about programming the video side of this, using FFmpeg, Gtk, Cairo, and Pango. I assume that you are familiar with the concepts of widgets, events, event ...
© Jan Newmarch 2017
Jan Newmarch, Linux Sound Programming, 10.1007/978-1-4842-2496-0_15
15. Displaying Video with Overlays Using Gtk and FFmpeg
Jan Newmarch1
(1)Oakleigh, Victoria, Australia
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