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<h2 title="Class UdpDataSource" class="title">Class UdpDataSource</h2>
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<pre>public final class <span class="typeNameLabel">UdpDataSource</span>
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extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
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implements <a href="../../../../../com/google/android/exoplayer/upstream/UriDataSource.html" title="interface in com.google.android.exoplayer.upstream">UriDataSource</a></pre>
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<div class="block">A UDP <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream"><code>DataSource</code></a>.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.UdpDataSourceException.html" title="class in com.google.android.exoplayer.upstream">UdpDataSource.UdpDataSourceException</a></span></code>
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<div class="block">Thrown when an error is encountered when trying to read from a <a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html" title="class in com.google.android.exoplayer.upstream"><code>UdpDataSource</code></a>.</div>
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#DEAFULT_SOCKET_TIMEOUT_MILLIS">DEAFULT_SOCKET_TIMEOUT_MILLIS</a></span></code>
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<div class="block">The default socket timeout, in milliseconds.</div>
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#DEFAULT_MAX_PACKET_SIZE">DEFAULT_MAX_PACKET_SIZE</a></span></code>
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<div class="block">The default maximum datagram packet size, in bytes.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#UdpDataSource-com.google.android.exoplayer.upstream.TransferListener-">UdpDataSource</a></span>(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener)</code> </td>
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<tr class="rowColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#UdpDataSource-com.google.android.exoplayer.upstream.TransferListener-int-">UdpDataSource</a></span>(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener,
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int maxPacketSize)</code> </td>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#UdpDataSource-com.google.android.exoplayer.upstream.TransferListener-int-int-">UdpDataSource</a></span>(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener,
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int maxPacketSize,
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int socketTimeoutMillis)</code> </td>
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#close--">close</a></span>()</code>
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<div class="block">Closes the <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream"><code>DataSource</code></a>.</div>
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<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#getUri--">getUri</a></span>()</code>
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<div class="block">When the source is open, returns the URI from which data is being read.</div>
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<td class="colFirst"><code>long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-">open</a></span>(<a href="../../../../../com/google/android/exoplayer/upstream/DataSpec.html" title="class in com.google.android.exoplayer.upstream">DataSpec</a> dataSpec)</code>
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<div class="block">Opens the <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream"><code>DataSource</code></a> to read the specified data.</div>
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.html#read-byte:A-int-int-">read</a></span>(byte[] buffer,
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int offset,
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int readLength)</code>
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<div class="block">Reads up to <code>length</code> bytes of data and stores them into <code>buffer</code>, starting at
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<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>DEFAULT_MAX_PACKET_SIZE</h4>
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<pre>public static final int DEFAULT_MAX_PACKET_SIZE</pre>
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<div class="block">The default maximum datagram packet size, in bytes.</div>
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<dl>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../../constant-values.html#com.google.android.exoplayer.upstream.UdpDataSource.DEFAULT_MAX_PACKET_SIZE">Constant Field Values</a></dd>
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<pre>public static final int DEAFULT_SOCKET_TIMEOUT_MILLIS</pre>
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<div class="block">The default socket timeout, in milliseconds.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../../constant-values.html#com.google.android.exoplayer.upstream.UdpDataSource.DEAFULT_SOCKET_TIMEOUT_MILLIS">Constant Field Values</a></dd>
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<h4>UdpDataSource</h4>
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<pre>public UdpDataSource(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener)</pre>
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<dl>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>listener</code> - An optional listener.</dd>
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<pre>public UdpDataSource(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener,
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int maxPacketSize)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>listener</code> - An optional listener.</dd>
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<dd><code>maxPacketSize</code> - The maximum datagram packet size, in bytes.</dd>
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<pre>public UdpDataSource(<a href="../../../../../com/google/android/exoplayer/upstream/TransferListener.html" title="interface in com.google.android.exoplayer.upstream">TransferListener</a> listener,
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int maxPacketSize,
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int socketTimeoutMillis)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>listener</code> - An optional listener.</dd>
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<dd><code>maxPacketSize</code> - The maximum datagram packet size, in bytes.</dd>
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<dd><code>socketTimeoutMillis</code> - The socket timeout in milliseconds. A timeout of zero is interpreted
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<h3>Method Detail</h3>
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<a name="open-com.google.android.exoplayer.upstream.DataSpec-">
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<h4>open</h4>
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<pre>public long open(<a href="../../../../../com/google/android/exoplayer/upstream/DataSpec.html" title="class in com.google.android.exoplayer.upstream">DataSpec</a> dataSpec)
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throws <a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.UdpDataSourceException.html" title="class in com.google.android.exoplayer.upstream">UdpDataSource.UdpDataSourceException</a></pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-">DataSource</a></code></span></div>
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<div class="block">Opens the <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream"><code>DataSource</code></a> to read the specified data. Calls to <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-"><code>DataSource.open(DataSpec)</code></a> and
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<a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#close--"><code>DataSource.close()</code></a> must be balanced.
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<p>
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Note: If <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-"><code>DataSource.open(DataSpec)</code></a> throws an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>, callers must still call
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<a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#close--"><code>DataSource.close()</code></a> to ensure that any partial effects of the <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-"><code>DataSource.open(DataSpec)</code></a> invocation
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are cleaned up. Implementations of this class can assume that callers will call
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<a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#close--"><code>DataSource.close()</code></a> in this case.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-">open</a></code> in interface <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream">DataSource</a></code></dd>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>dataSpec</code> - Defines the data to be read.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>The number of bytes that can be read from the opened source. For unbounded requests
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(i.e. requests where <a href="../../../../../com/google/android/exoplayer/upstream/DataSpec.html#length"><code>DataSpec.length</code></a> equals <a href="../../../../../com/google/android/exoplayer/C.html#LENGTH_UNBOUNDED"><code>C.LENGTH_UNBOUNDED</code></a>) this value
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is the resolved length of the request, or <a href="../../../../../com/google/android/exoplayer/C.html#LENGTH_UNBOUNDED"><code>C.LENGTH_UNBOUNDED</code></a> if the length is still
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unresolved. For all other requests, the value returned will be equal to the request's
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<a href="../../../../../com/google/android/exoplayer/upstream/DataSpec.html#length"><code>DataSpec.length</code></a>.</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.UdpDataSourceException.html" title="class in com.google.android.exoplayer.upstream">UdpDataSource.UdpDataSourceException</a></code></dd>
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</dl>
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<h4>read</h4>
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<pre>public int read(byte[] buffer,
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int offset,
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int readLength)
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throws <a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.UdpDataSourceException.html" title="class in com.google.android.exoplayer.upstream">UdpDataSource.UdpDataSourceException</a></pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#read-byte:A-int-int-">DataSource</a></code></span></div>
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<div class="block">Reads up to <code>length</code> bytes of data and stores them into <code>buffer</code>, starting at
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index <code>offset</code>.
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<p>
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This method blocks until at least one byte of data can be read, the end of the opened range is
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detected, or an exception is thrown.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#read-byte:A-int-int-">read</a></code> in interface <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream">DataSource</a></code></dd>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>buffer</code> - The buffer into which the read data should be stored.</dd>
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<dd><code>offset</code> - The start offset into <code>buffer</code> at which data should be written.</dd>
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<dd><code>readLength</code> - The maximum number of bytes to read.</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>The number of bytes read, or <a href="../../../../../com/google/android/exoplayer/C.html#RESULT_END_OF_INPUT"><code>C.RESULT_END_OF_INPUT</code></a> if the end of the opened
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range is reached.</dd>
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<dt><span class="throwsLabel">Throws:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/UdpDataSource.UdpDataSourceException.html" title="class in com.google.android.exoplayer.upstream">UdpDataSource.UdpDataSourceException</a></code></dd>
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</dl>
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</li>
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</ul>
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<a name="close--">
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<h4>close</h4>
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<pre>public void close()</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#close--">DataSource</a></code></span></div>
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<div class="block">Closes the <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream"><code>DataSource</code></a>.
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<p>
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Note: This method will be called even if the corresponding call to <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-"><code>DataSource.open(DataSpec)</code></a>
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threw an <a href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a>. See <a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#open-com.google.android.exoplayer.upstream.DataSpec-"><code>DataSource.open(DataSpec)</code></a> for more details.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html#close--">close</a></code> in interface <code><a href="../../../../../com/google/android/exoplayer/upstream/DataSource.html" title="interface in com.google.android.exoplayer.upstream">DataSource</a></code></dd>
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<h4>getUri</h4>
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<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getUri()</pre>
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<div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../com/google/android/exoplayer/upstream/UriDataSource.html#getUri--">UriDataSource</a></code></span></div>
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<div class="block">When the source is open, returns the URI from which data is being read.
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<p>
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If redirection occurred, the URI after redirection is the one returned.</div>
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<dl>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dd><code><a href="../../../../../com/google/android/exoplayer/upstream/UriDataSource.html#getUri--">getUri</a></code> in interface <code><a href="../../../../../com/google/android/exoplayer/upstream/UriDataSource.html" title="interface in com.google.android.exoplayer.upstream">UriDataSource</a></code></dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>When the source is open, the URI from which data is being read. Null otherwise.</dd>
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</dl>
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</ul>
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</li>
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