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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_b23f8e22c8c095d1c8c0cb8f88104a00.html">webm</a></li> </ul>
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<div class="title">encryptor.cc</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2015 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/formats/webm/encryptor.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/media/base/buffer_writer.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/formats/webm/webm_constants.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>webm {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keywordtype">void</span> WriteEncryptedFrameHeader(<span class="keyword">const</span> DecryptConfig* decrypt_config,</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  BufferWriter* header_buffer) {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">if</span> (decrypt_config) {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> iv_size = decrypt_config->iv().size();</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  DCHECK_EQ(iv_size, kWebMIvSize);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordflow">if</span> (!decrypt_config->subsamples().empty()) {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& subsamples = decrypt_config->subsamples();</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// Use partitioned subsample encryption: | signal_byte(3) | iv</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// | num_partitions | partition_offset * n | enc_data |</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  DCHECK_LT(subsamples.size(), kWebMMaxSubsamples);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27<
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Generated on Tue Jan 21 2020 16:58:51 for Shaka Packager SDK by  <a href="http://www.doxygen.org/index.html">
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