BUFFER</code> - swap buffers.
<code>AV_DEV_TO_APP_DESTROY_WINDOW_BUFFER</code> - destroy OpenGL context.
Application is also required to inform a device about current resolution by sending <code>AV_APP_TO_DEV_WINDOW_SIZE</code> message.
</p>
<a name="Options-25"></a>
<h3 class="subsection"><a href="ffmpeg-devices.html#toc-Options-25">4.6.1 Options</a></h3>
<dl compact="compact">
<dt>&lsquo;<samp>background</samp>&rsquo;</dt>
<dd><p>Set background color. Black is a default.
</p></dd>
<dt>&lsquo;<samp>no_wind