ockList">
<h4>getBackBufferDurationUs</h4>
<pre class="methodSignature">long&nbsp;getBackBufferDurationUs()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
<div class="block">Returns the duration of media to retain in the buffer prior to the current playback position,
 for fast backward seeking.

 <p>Note: If <a href="#retainBackBufferFromKeyframe()"><code>retainBackBufferFromKeyframe()</code></a> is false then seeking in the back-buffer
 will only be fast if the b