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<ul>
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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a></li> </ul>
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</div>
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</div><!-- top -->
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<div class="header">
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<div class="summary">
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<a href="#pub-types">Public Types</a> |
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-static-methods">Static Public Member Functions</a> |
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<a href="../../d2/d5b/classshaka_1_1media_1_1KeySource-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">shaka::media::KeySource Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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</div><!--header-->
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<div class="contents">
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<p><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html" title="KeySource is responsible for encryption key acquisition. ">KeySource</a> is responsible for encryption key acquisition.
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<a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../dc/d3f/key__source_8h_source.html">key_source.h</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for shaka::media::KeySource:</div>
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<div class="dyncontent">
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<div class="center">
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<img src="../../d1/d1f/classshaka_1_1media_1_1KeySource.png" usemap="#shaka::media::KeySource_map" alt=""/>
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<map id="shaka::media::KeySource_map" name="shaka::media::KeySource_map">
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<area href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" title="A key source that uses fixed keys for encryption. " alt="shaka::media::FixedKeySource" shape="rect" coords="0,56,214,80"/>
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<area href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html" title="A key source that uses playready for encryption. " alt="shaka::media::PlayReadyKeySource" shape="rect" coords="224,56,438,80"/>
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<area href="../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html" alt="shaka::media::WidevineKeySource" shape="rect" coords="448,56,662,80"/>
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</map>
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</div></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a2bb2755c69385800fa57172e262befdd"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><b>TrackType</b> { <br/>
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  <b>TRACK_TYPE_UNKNOWN</b> = 0,
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<b>TRACK_TYPE_SD</b> = 1,
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<b>TRACK_TYPE_HD</b> = 2,
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<b>TRACK_TYPE_UHD1</b> = 3,
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<br/>
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  <b>TRACK_TYPE_UHD2</b> = 4,
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<b>TRACK_TYPE_AUDIO</b> = 5,
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<b>TRACK_TYPE_UNSPECIFIED</b> = 6,
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<b>NUM_VALID_TRACK_TYPES</b> = 6
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<br/>
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}</td></tr>
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<tr class="separator:a2bb2755c69385800fa57172e262befdd"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a38dc8e7c48f86e2b3ab3c1ffe0d7916f"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a38dc8e7c48f86e2b3ab3c1ffe0d7916f">FetchKeys</a> (EmeInitDataType init_data_type, const std::vector< uint8_t > &init_data)=0</td></tr>
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<tr class="separator:a38dc8e7c48f86e2b3ab3c1ffe0d7916f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a994eb66cf09d8b08fd1c964f6afd3ab3"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">GetKey</a> (TrackType track_type, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key)=0</td></tr>
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<tr class="separator:a994eb66cf09d8b08fd1c964f6afd3ab3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae33f2cdbd045572095acd7b8d6c1a789"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ae33f2cdbd045572095acd7b8d6c1a789">GetKey</a> (const std::vector< uint8_t > &key_id, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key)=0</td></tr>
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<tr class="separator:ae33f2cdbd045572095acd7b8d6c1a789"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a18806b962c858e35ed07753687605b16"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16">GetCryptoPeriodKey</a> (uint32_t crypto_period_index, TrackType track_type, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key)=0</td></tr>
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<tr class="separator:a18806b962c858e35ed07753687605b16"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a0963412e7ee33d0e34893ebdf38d96c1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0963412e7ee33d0e34893ebdf38d96c1"></a>
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static TrackType </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a0963412e7ee33d0e34893ebdf38d96c1">GetTrackTypeFromString</a> (const std::string &track_type_string)</td></tr>
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<tr class="memdesc:a0963412e7ee33d0e34893ebdf38d96c1"><td class="mdescLeft"> </td><td class="mdescRight">Convert string representation of track type to enum representation. <br/></td></tr>
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<tr class="separator:a0963412e7ee33d0e34893ebdf38d96c1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4f9cede7a8c1678e1fac93c8fe12aa75"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4f9cede7a8c1678e1fac93c8fe12aa75"></a>
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static std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a4f9cede7a8c1678e1fac93c8fe12aa75">TrackTypeToString</a> (TrackType track_type)</td></tr>
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<tr class="memdesc:a4f9cede7a8c1678e1fac93c8fe12aa75"><td class="mdescLeft"> </td><td class="mdescRight">Convert TrackType to string. <br/></td></tr>
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<tr class="separator:a4f9cede7a8c1678e1fac93c8fe12aa75"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html" title="KeySource is responsible for encryption key acquisition. ">KeySource</a> is responsible for encryption key acquisition. </p>
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<p>Definition at line <a class="el" href="../../dc/d3f/key__source_8h_source.html#l00045">45</a> of file <a class="el" href="../../dc/d3f/key__source_8h_source.html">key_source.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="a38dc8e7c48f86e2b3ab3c1ffe0d7916f"></a>
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<div class="memproto">
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<table class="mlabels">
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::KeySource::FetchKeys </td>
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<td>(</td>
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<td class="paramtype">EmeInitDataType </td>
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<td class="paramname"><em>init_data_type</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const std::vector< uint8_t > & </td>
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<td class="paramname"><em>init_data</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Fetch keys based on the specified encrypted media init data. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">init_data_type</td><td>specifies the encrypted media init data type. </td></tr>
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<tr><td class="paramname">init_data</td><td>contains the init data. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a6311482a3f3ddec70da595f0dc1580ae">shaka::media::PlayReadyKeySource</a>, <a class="el" href="../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#aeea3e62921c176aa6be1f0a95f03b6cf">shaka::media::WidevineKeySource</a>, and <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a5cd8641873f213b826fc32e1c0026041">shaka::media::FixedKeySource</a>.</p>
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</div>
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<a class="anchor" id="a18806b962c858e35ed07753687605b16"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
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<td class="memname">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::KeySource::GetCryptoPeriodKey </td>
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<td>(</td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>crypto_period_index</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">TrackType </td>
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<td class="paramname"><em>track_type</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> * </td>
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<td class="paramname"><em>key</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Get encryption key of the specified track type at the specified index. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">crypto_period_index</td><td>is the sequence number of the key rotation period for which the key is being retrieved. </td></tr>
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<tr><td class="paramname">track_type</td><td>is the type of track for which retrieving the key. </td></tr>
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<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a4005a0a96024a6918fb9f81a281ca131">shaka::media::PlayReadyKeySource</a>, <a class="el" href="../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#ab56a71e9f9f9e545f96e667279c05bb1">shaka::media::WidevineKeySource</a>, and <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#afa9abf3a9104cbcb4711eac65c8a5bdf">shaka::media::FixedKeySource</a>.</p>
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<a class="anchor" id="a994eb66cf09d8b08fd1c964f6afd3ab3"></a>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::KeySource::GetKey </td>
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<td>(</td>
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<td class="paramtype">TrackType </td>
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<td class="paramname"><em>track_type</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> * </td>
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<td class="paramname"><em>key</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Get encryption key of the specified track type. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">track_type</td><td>is the type of track for which retrieving the key. </td></tr>
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<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OK on success, an error status otherwise. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a425495104b43f26b94ae38794c608e96">shaka::media::PlayReadyKeySource</a>, <a class="el" href="../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a59a16d61c6a6d05745e8b49fd3618deb">shaka::media::WidevineKeySource</a>, and <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a267d1f36d1c015fd5e8c20b93f270d0a">shaka::media::FixedKeySource</a>.</p>
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<a class="anchor" id="ae33f2cdbd045572095acd7b8d6c1a789"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<table class="memname">
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<td class="memname">virtual <a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::KeySource::GetKey </td>
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<td>(</td>
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<td class="paramtype">const std::vector< uint8_t > & </td>
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<td class="paramname"><em>key_id</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> * </td>
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<td class="paramname"><em>key</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Get the encryption key specified by the CENC key ID. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">key_id</td><td>is the unique identifier for the key being retreived. </td></tr>
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<tr><td class="paramname">key</td><td>is a pointer to the <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> which will hold the retrieved key. Owner retains ownership, and may not be NULL. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>OK on success, or an error status otherwise. </dd></dl>
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<p>Implemented in <a class="el" href="../../d4/da6/classshaka_1_1media_1_1PlayReadyKeySource.html#a41c393f477ff4b723aa448b35e9ee896">shaka::media::PlayReadyKeySource</a>, <a class="el" href="../../da/ddd/classshaka_1_1media_1_1WidevineKeySource.html#a59699cd998290adae74e6596ba44fdc3">shaka::media::WidevineKeySource</a>, and <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a58f9eae1ce9148a82f70118879b6c3f1">shaka::media::FixedKeySource</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>media/base/<a class="el" href="../../dc/d3f/key__source_8h_source.html">key_source.h</a></li>
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<li>media/base/<a class="el" href="../../d7/dd6/key__source_8cc_source.html">key_source.cc</a></li>
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</ul>
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