">
<pre class="example">ffmpeg -f gdigrab -show_region 1 -framerate 6 -video_size cif -offset_x 10 -offset_y 20 -i desktop out.mpg
</pre></div>

</dd>
<dt>&lsquo;<samp>video_size</samp>&rsquo;</dt>
<dd><p>Set the video frame size. The default is to capture the full screen if &lsquo;<tt>desktop</tt>&rsquo; is selected, or the full window size if &lsquo;<tt>title=<var>window_title</var></tt>&rsquo; is selected.
</p>
</dd>
<dt>&lsquo;<samp>offset_x</samp>&rsquo;</dt>
<dd><p>When capturing a region with <var>vi