Add an enum type for each renderer

app/streaming/video/ffmpeg-renderers/egl_extensions.cpp

@@ -1,8 +1,5 @@
-// vim: noai:ts=4:sw=4:softtabstop=4:expandtab
 #include "renderer.h"
 
-#include <SDL_egl.h>
-
 static QStringList egl_get_extensions(EGLDisplay dpy) {
     const auto EGLExtensionsStr = eglQueryString(dpy, EGL_EXTENSIONS);
     if (!EGLExtensionsStr) {