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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="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a></li> </ul>
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<div class="header">
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<div class="summary">
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<a href="#pub-static-methods">Static Public Member Functions</a> |
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<a href="../../d9/dea/classshaka_1_1media_1_1FixedKeySource-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">shaka::media::FixedKeySource Class Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p>A key source that uses fixed keys for encryption.
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<a href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../d3/d72/fixed__key__source_8h_source.html">fixed_key_source.h</a>></code></p>
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<div class="dynheader">
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Inheritance diagram for shaka::media::FixedKeySource:</div>
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<img src="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.png" usemap="#shaka::media::FixedKeySource_map" alt=""/>
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<area href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html" title="KeySource is responsible for encryption key acquisition. " alt="shaka::media::KeySource" shape="rect" coords="0,0,184,24"/>
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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-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr><td colspan="2"><div class="groupHeader">KeySource implementation overrides.</div></td></tr>
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<tr class="memitem:a5cd8641873f213b826fc32e1c0026041"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a5cd8641873f213b826fc32e1c0026041">FetchKeys</a> (EmeInitDataType init_data_type, const std::vector< uint8_t > &init_data) override</td></tr>
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<tr class="separator:a5cd8641873f213b826fc32e1c0026041"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a267d1f36d1c015fd5e8c20b93f270d0a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a267d1f36d1c015fd5e8c20b93f270d0a">GetKey</a> (TrackType track_type, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key) override</td></tr>
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<tr class="separator:a267d1f36d1c015fd5e8c20b93f270d0a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a58f9eae1ce9148a82f70118879b6c3f1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a58f9eae1ce9148a82f70118879b6c3f1">GetKey</a> (const std::vector< uint8_t > &key_id, <a class="el" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> *key) override</td></tr>
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<tr class="separator:a58f9eae1ce9148a82f70118879b6c3f1"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afa9abf3a9104cbcb4711eac65c8a5bdf"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#afa9abf3a9104cbcb4711eac65c8a5bdf">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) override</td></tr>
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<tr class="separator:afa9abf3a9104cbcb4711eac65c8a5bdf"><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:a9a91ba439d785022a1e2ceeaa9ebe81a"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr<br class="typebreak"/>
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< <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a9a91ba439d785022a1e2ceeaa9ebe81a">CreateFromHexStrings</a> (const std::string &key_id_hex, const std::string &key_hex, const std::string &pssh_boxes_hex, const std::string &iv_hex)</td></tr>
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<tr class="separator:a9a91ba439d785022a1e2ceeaa9ebe81a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_static_methods_classshaka_1_1media_1_1KeySource"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classshaka_1_1media_1_1KeySource')"><img src="../../closed.png" alt="-"/> Static Public Member Functions inherited from <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></td></tr>
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<tr class="memitem:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><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 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><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 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><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 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><td class="mdescLeft"> </td><td class="mdescRight">Convert TrackType to string. <br/></td></tr>
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<tr class="separator:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource"><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="inherited"></a>
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Additional Inherited Members</h2></td></tr>
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<tr class="inherit_header pub_types_classshaka_1_1media_1_1KeySource"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classshaka_1_1media_1_1KeySource')"><img src="../../closed.png" alt="-"/> Public Types inherited from <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></td></tr>
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<tr class="memitem:a2bb2755c69385800fa57172e262befdd inherit pub_types_classshaka_1_1media_1_1KeySource"><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 inherit pub_types_classshaka_1_1media_1_1KeySource"><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 key source that uses fixed keys for encryption. </p>
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<p>Definition at line <a class="el" href="../../d3/d72/fixed__key__source_8h_source.html#l00027">27</a> of file <a class="el" href="../../d3/d72/fixed__key__source_8h_source.html">fixed_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="a9a91ba439d785022a1e2ceeaa9ebe81a"></a>
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<td class="memname">std::unique_ptr< <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html">FixedKeySource</a> > shaka::media::FixedKeySource::CreateFromHexStrings </td>
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<td>(</td>
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<td class="paramtype">const std::string & </td>
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<td class="paramname"><em>key_id_hex</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::string & </td>
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<td class="paramname"><em>key_hex</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::string & </td>
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<td class="paramname"><em>pssh_boxes_hex</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::string & </td>
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<td class="paramname"><em>iv_hex</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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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</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>Creates a new <a class="el" href="../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" title="A key source that uses fixed keys for encryption. ">FixedKeySource</a> from the given hex strings. Returns null if the strings are invalid. </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_hex</td><td>is the key id in hex string. </td></tr>
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<tr><td class="paramname">key_hex</td><td>is the key in hex string. </td></tr>
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<tr><td class="paramname">pssh_boxes_hex</td><td>is the pssh_boxes in hex string. </td></tr>
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<tr><td class="paramname">iv_hex</td><td>is the IV in hex string. If not specified, a randomly generated IV with the default length will be used. Note: GetKey on the created key source will always return the same key for all track types. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00077">77</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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</div>
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<a class="anchor" id="a5cd8641873f213b826fc32e1c0026041"></a>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::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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<td></td>
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<td>)</td>
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<td></td><td></td>
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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">override</span><span class="mlabel">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>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a38dc8e7c48f86e2b3ab3c1ffe0d7916f">shaka::media::KeySource</a>.</p>
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<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00018">18</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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</div>
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</div>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::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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<td class="paramtype">TrackType </td>
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<td class="paramname"><em>track_type</em>, </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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<td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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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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</dd>
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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>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16">shaka::media::KeySource</a>.</p>
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<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00045">45</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::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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<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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<td></td>
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<td>)</td>
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<td></td><td></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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</dd>
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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>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">shaka::media::KeySource</a>.</p>
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<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00024">24</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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<td class="memname"><a class="el" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> shaka::media::FixedKeySource::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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<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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<td>)</td>
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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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<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 class="section return"><dt>Returns</dt><dd>OK on success, or an error status otherwise. </dd></dl>
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<p>Implements <a class="el" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ae33f2cdbd045572095acd7b8d6c1a789">shaka::media::KeySource</a>.</p>
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<p>Definition at line <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html#l00031">31</a> of file <a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a>.</p>
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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="../../d3/d72/fixed__key__source_8h_source.html">fixed_key_source.h</a></li>
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<li>media/base/<a class="el" href="../../d3/d6b/fixed__key__source_8cc_source.html">fixed_key_source.cc</a></li>
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</ul>
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