media/docs/doc/reference/com/google/android/exoplayer2/util/ParsableNalUnitBitArray.html
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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.google.android.exoplayer2.util</a></div>
<h2 title="Class ParsableNalUnitBitArray" class="title">Class ParsableNalUnitBitArray</h2>
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<pre>public final class <span class="typeNameLabel">ParsableNalUnitBitArray</span>
extends <a href="https://developer.android.com/reference/java/lang/Object.html" title="class or interface in java.lang" class="externalLink" target="_top">Object</a></pre>
<div class="block">Wraps a byte array, providing methods that allow it to be read as a NAL unit bitstream.
<p>Whenever the byte sequence [0, 0, 3] appears in the wrapped byte array, it is treated as [0,
0] for all reading/skipping operations, which makes the bitstream appear to be unescaped.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(byte%5B%5D,int,int)">ParsableNalUnitBitArray</a></span>&#8203;(byte[]&nbsp;data,
int&nbsp;offset,
int&nbsp;limit)</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#canReadBits(int)">canReadBits</a></span>&#8203;(int&nbsp;numBits)</code></th>
<td class="colLast">
<div class="block">Returns whether it's possible to read <code>n</code> bits starting from the current offset.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#canReadExpGolombCodedNum()">canReadExpGolombCodedNum</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether it is possible to read an Exp-Golomb-coded integer starting from the current
offset.</div>
</td>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readBit()">readBit</a></span>()</code></th>
<td class="colLast">
<div class="block">Reads a single bit.</div>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readBits(int)">readBits</a></span>&#8203;(int&nbsp;numBits)</code></th>
<td class="colLast">
<div class="block">Reads up to 32 bits.</div>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readSignedExpGolombCodedInt()">readSignedExpGolombCodedInt</a></span>()</code></th>
<td class="colLast">
<div class="block">Reads an signed Exp-Golomb-coded format integer.</div>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#readUnsignedExpGolombCodedInt()">readUnsignedExpGolombCodedInt</a></span>()</code></th>
<td class="colLast">
<div class="block">Reads an unsigned Exp-Golomb-coded format integer.</div>
</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset(byte%5B%5D,int,int)">reset</a></span>&#8203;(byte[]&nbsp;data,
int&nbsp;offset,
int&nbsp;limit)</code></th>
<td class="colLast">
<div class="block">Resets the wrapped data, limit and offset.</div>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#skipBit()">skipBit</a></span>()</code></th>
<td class="colLast">
<div class="block">Skips a single bit.</div>
</td>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#skipBits(int)">skipBits</a></span>&#8203;(int&nbsp;numBits)</code></th>
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<div class="block">Skips bits and moves current reading position forward.</div>
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<h4>ParsableNalUnitBitArray</h4>
<pre>public&nbsp;ParsableNalUnitBitArray&#8203;(byte[]&nbsp;data,
int&nbsp;offset,
int&nbsp;limit)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - The data to wrap.</dd>
<dd><code>offset</code> - The byte offset in <code>data</code> to start reading from.</dd>
<dd><code>limit</code> - The byte offset of the end of the bitstream in <code>data</code>.</dd>
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<div class="block">Resets the wrapped data, limit and offset.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>data</code> - The data to wrap.</dd>
<dd><code>offset</code> - The byte offset in <code>data</code> to start reading from.</dd>
<dd><code>limit</code> - The byte offset of the end of the bitstream in <code>data</code>.</dd>
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<div class="block">Skips a single bit.</div>
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<div class="block">Skips bits and moves current reading position forward.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
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offset is not modified.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numBits</code> - The number of bits.</dd>
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<pre class="methodSignature">public&nbsp;boolean&nbsp;readBit()</pre>
<div class="block">Reads a single bit.</div>
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<pre class="methodSignature">public&nbsp;int&nbsp;readBits&#8203;(int&nbsp;numBits)</pre>
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<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>numBits</code> - The number of bits to read.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
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offset. The offset is not modified.</div>
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