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<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_5039d854a18988ed1f1dbebc120ffbf7.html">webm</a></li> </ul>
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<div class="title">encryptor.h</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>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<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>
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<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>
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<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>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_ENCRYPTOR_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_ENCRYPTOR_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/memory/ref_counted.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/memory/scoped_ptr.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/key_source.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/status.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/base/stream_info.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/codecs/vpx_parser.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/media/event/muxer_listener.h"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/third_party/libwebm/src/mkvmuxer.hpp"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">class </span>AesCtrEncryptor;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">class </span>MediaSample;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>webm {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html"> 29</a></span> <span class="keyword">class </span><a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html">Encryptor</a> {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html">Encryptor</a>();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  ~<a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html">Encryptor</a>();</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#afa6065049fad093b96643b9e3d70595f">Initialize</a>(<a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  KeySource::TrackType track_type,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  Codec codec,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* key_source,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">bool</span> webm_subsample_encryption);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a866bb619cd0fde0c28ee522cbd4a8c59">AddTrackInfo</a>(mkvmuxer::Track* track);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a3bfe9e0d99652811cb785832529f3d3c">EncryptFrame</a>(scoped_refptr<MediaSample> sample,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">bool</span> encrypt_frame);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// Create the encryptor for the internal encryption key.</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> CreateEncryptor(<a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  KeySource::TrackType track_type,</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  Codec codec,</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* key_source,</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">bool</span> webm_subsample_encryption);</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  scoped_ptr<EncryptionKey> key_;</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  scoped_ptr<AesCtrEncryptor> encryptor_;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  scoped_ptr<VPxParser> vpx_parser_;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> };</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> } <span class="comment">// namespace webm</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#endif // MEDIA_FORMATS_WEBM_ENCRYPTOR_H_</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Encryptor_html_a866bb619cd0fde0c28ee522cbd4a8c59"><div class="ttname"><a href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a866bb619cd0fde0c28ee522cbd4a8c59">shaka::media::webm::Encryptor::AddTrackInfo</a></div><div class="ttdeci">Status AddTrackInfo(mkvmuxer::Track *track)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d98/encryptor_8cc_source.html#l00071">encryptor.cc:71</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Encryptor_html_afa6065049fad093b96643b9e3d70595f"><div class="ttname"><a href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#afa6065049fad093b96643b9e3d70595f">shaka::media::webm::Encryptor::Initialize</a></div><div class="ttdeci">Status Initialize(MuxerListener *muxer_listener, KeySource::TrackType track_type, Codec codec, KeySource *key_source, bool webm_subsample_encryption)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d98/encryptor_8cc_source.html#l00061">encryptor.cc:61</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Encryptor_html"><div class="ttname"><a href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html">shaka::media::webm::Encryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d42/encryptor_8h_source.html#l00029">encryptor.h:29</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Encryptor_html_a3bfe9e0d99652811cb785832529f3d3c"><div class="ttname"><a href="../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a3bfe9e0d99652811cb785832529f3d3c">shaka::media::webm::Encryptor::EncryptFrame</a></div><div class="ttdeci">Status EncryptFrame(scoped_refptr< MediaSample > sample, bool encrypt_frame)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d98/encryptor_8cc_source.html#l00076">encryptor.cc:76</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Status_html"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::media::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00075">status.h:75</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00031">key_source.h:31</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">shaka::media::MuxerListener</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00030">muxer_listener.h:30</a></div></div>
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