xtractor.html#sniff(com.google.android.exoplayer2.extractor.ExtractorInput)">Extractor</a></code></span></div>
<div class="block">Returns whether this extractor can extract samples from the <a href="../ExtractorInput.html" title="interface in com.google.android.exoplayer2.extractor"><code>ExtractorInput</code></a>, which must
 provide data from the start of the stream.

 <p>If <code>true</code> is returned, the <code>input</code>'s reading position may have been modified.
 Otherwise, only its peek position 