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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="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html">DecryptConfig</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="title">shaka::media::DecryptConfig Class Reference</div> </div>
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<p><code>#include &lt;<a class="el" href="../../df/dad/decrypt__config_8h_source.html">decrypt_config.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a24035bb6edcb3aaaa9923bf385376ae5"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html#a24035bb6edcb3aaaa9923bf385376ae5">DecryptConfig</a> (const std::vector&lt; uint8_t &gt; &amp;key_id, const std::vector&lt; uint8_t &gt; &amp;iv, const std::vector&lt; <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a> &gt; &amp;subsamples)</td></tr>
<tr class="separator:a24035bb6edcb3aaaa9923bf385376ae5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab2dfe0a2ee285539843ac55b5f1ac7c7"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html#ab2dfe0a2ee285539843ac55b5f1ac7c7">DecryptConfig</a> (const std::vector&lt; uint8_t &gt; &amp;key_id, const std::vector&lt; uint8_t &gt; &amp;iv, const std::vector&lt; <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a> &gt; &amp;subsamples, FourCC protection_scheme, uint8_t crypt_byte_block, uint8_t skip_byte_block)</td></tr>
<tr class="separator:ab2dfe0a2ee285539843ac55b5f1ac7c7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a36681ecf1eeb8a4effb0f00b232bda58"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html#a36681ecf1eeb8a4effb0f00b232bda58">AddSubsample</a> (uint16_t clear_bytes, uint32_t cipher_bytes)</td></tr>
<tr class="separator:a36681ecf1eeb8a4effb0f00b232bda58"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a338024925bc46a2f65a058906cdcb4a3"><td class="memItemLeft" align="right" valign="top">size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html#a338024925bc46a2f65a058906cdcb4a3">GetTotalSizeOfSubsamples</a> () const </td></tr>
<tr class="separator:a338024925bc46a2f65a058906cdcb4a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3b92187577ea5b9cb44d98bfe215ea76"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3b92187577ea5b9cb44d98bfe215ea76"></a>
const std::vector&lt; uint8_t &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>key_id</b> () const </td></tr>
<tr class="separator:a3b92187577ea5b9cb44d98bfe215ea76"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad3e0ccf3ddec37dbb2d9bb2f08d201ee"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad3e0ccf3ddec37dbb2d9bb2f08d201ee"></a>
const std::vector&lt; uint8_t &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>iv</b> () const </td></tr>
<tr class="separator:ad3e0ccf3ddec37dbb2d9bb2f08d201ee"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a097c475bf148bcd18f072393436e0f8d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a097c475bf148bcd18f072393436e0f8d"></a>
const std::vector<br class="typebreak"/>
&lt; <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a> &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>subsamples</b> () const </td></tr>
<tr class="separator:a097c475bf148bcd18f072393436e0f8d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7b4fae5f581780d5ed077e55a3aa0a5c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b4fae5f581780d5ed077e55a3aa0a5c"></a>
FourCC&#160;</td><td class="memItemRight" valign="bottom"><b>protection_scheme</b> () const </td></tr>
<tr class="separator:a7b4fae5f581780d5ed077e55a3aa0a5c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad75505fe7b1a980c7ee644563f1a6ae1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad75505fe7b1a980c7ee644563f1a6ae1"></a>
uint8_t&#160;</td><td class="memItemRight" valign="bottom"><b>crypt_byte_block</b> () const </td></tr>
<tr class="separator:ad75505fe7b1a980c7ee644563f1a6ae1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a71e242e371b9c1367b2a0af401a2e67f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a71e242e371b9c1367b2a0af401a2e67f"></a>
uint8_t&#160;</td><td class="memItemRight" valign="bottom"><b>skip_byte_block</b> () const </td></tr>
<tr class="separator:a71e242e371b9c1367b2a0af401a2e67f"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:afa140203b87d3e46d5fd94b231734f53"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afa140203b87d3e46d5fd94b231734f53"></a>
static const size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html#afa140203b87d3e46d5fd94b231734f53">kDecryptionKeySize</a> = 16</td></tr>
<tr class="memdesc:afa140203b87d3e46d5fd94b231734f53"><td class="mdescLeft">&#160;</td><td class="mdescRight">Keys are always 128 bits. <br/></td></tr>
<tr class="separator:afa140203b87d3e46d5fd94b231734f53"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Contains all the information that a decryptor needs to decrypt a media sample. </p>
<p>Definition at line <a class="el" href="../../df/dad/decrypt__config_8h_source.html#l00040">40</a> of file <a class="el" href="../../df/dad/decrypt__config_8h_source.html">decrypt_config.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a24035bb6edcb3aaaa9923bf385376ae5"></a>
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<td class="memname">shaka::media::DecryptConfig::DecryptConfig </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>key_id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>iv</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::vector&lt; <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>subsamples</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a 'cenc' decrypt config. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key_id</td><td>is the ID that references the decryption key. </td></tr>
<tr><td class="paramname">iv</td><td>is the initialization vector defined by the encryptor. </td></tr>
<tr><td class="paramname">subsamples</td><td>defines the clear and encrypted portions of the sample as described in <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a>. A decrypted buffer will be equal in size to the sum of the subsample sizes. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html#l00012">12</a> of file <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html">decrypt_config.cc</a>.</p>
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<td class="memname">shaka::media::DecryptConfig::DecryptConfig </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>key_id</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::vector&lt; uint8_t &gt; &amp;&#160;</td>
<td class="paramname"><em>iv</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const std::vector&lt; <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>subsamples</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">FourCC&#160;</td>
<td class="paramname"><em>protection_scheme</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>crypt_byte_block</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint8_t&#160;</td>
<td class="paramname"><em>skip_byte_block</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a general decrypt config with possible pattern-based encryption. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key_id</td><td>is the ID that references the decryption key. </td></tr>
<tr><td class="paramname">iv</td><td>is the initialization vector defined by the encryptor. </td></tr>
<tr><td class="paramname">subsamples</td><td>defines the clear and encrypted portions of the sample as described in <a class="el" href="../../d1/d34/structshaka_1_1media_1_1SubsampleEntry.html">SubsampleEntry</a>. A decrypted buffer will be equal in size to the sum of the subsample sizes. </td></tr>
<tr><td class="paramname">protection_scheme</td><td>specifies the protection scheme: 'cenc', 'cens', 'cbc1', 'cbcs'. </td></tr>
<tr><td class="paramname">crypt_byte_block</td><td>indicates number of encrypted blocks (16-byte) in pattern based encryption, 'cens' and 'cbcs'. Ignored otherwise. </td></tr>
<tr><td class="paramname">skip_byte_block</td><td>indicates number of unencrypted blocks (16-byte) in pattern based encryption, 'cens' and 'cbcs'. Ignored otherwise. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html#l00017">17</a> of file <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html">decrypt_config.cc</a>.</p>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a36681ecf1eeb8a4effb0f00b232bda58"></a>
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<td class="memname">void shaka::media::DecryptConfig::AddSubsample </td>
<td>(</td>
<td class="paramtype">uint16_t&#160;</td>
<td class="paramname"><em>clear_bytes</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>cipher_bytes</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">clear_bytes</td><td>is the size of clear bytes in the subsample to be added. </td></tr>
<tr><td class="paramname">cipher_bytes</td><td>is the size of cipher bytes in the subsample to be added. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="../../df/dad/decrypt__config_8h_source.html#l00080">80</a> of file <a class="el" href="../../df/dad/decrypt__config_8h_source.html">decrypt_config.h</a>.</p>
</div>
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<a class="anchor" id="a338024925bc46a2f65a058906cdcb4a3"></a>
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<td class="memname">size_t shaka::media::DecryptConfig::GetTotalSizeOfSubsamples </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>The total size of subsamples. </dd></dl>
<p>Definition at line <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html#l00034">34</a> of file <a class="el" href="../../d3/d56/decrypt__config_8cc_source.html">decrypt_config.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li>media/base/<a class="el" href="../../df/dad/decrypt__config_8h_source.html">decrypt_config.h</a></li>
<li>media/base/<a class="el" href="../../d3/d56/decrypt__config_8cc_source.html">decrypt_config.cc</a></li>
</ul>
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