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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>
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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">#include "packager/media/formats/webm/encryptor.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/media/base/aes_encryptor.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/media/base/fourccs.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/media_sample.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>edash_packager {</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>webm {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> Status CreateContentEncryption(mkvmuxer::Track* track, EncryptionKey* key) {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">if</span> (!track->AddContentEncoding()) {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="stringliteral">"Could not add ContentEncoding to track."</span>);</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  }</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  mkvmuxer::ContentEncoding* <span class="keyword">const</span> encoding =</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  track->GetContentEncodingByIndex(0);</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordflow">if</span> (!encoding) {</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"Could not add ContentEncoding to track."</span>);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  }</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  mkvmuxer::ContentEncAESSettings* <span class="keyword">const</span> aes = encoding->enc_aes_settings();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">if</span> (!aes) {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"Error getting ContentEncAESSettings."</span>);</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">if</span> (aes->cipher_mode() != mkvmuxer::ContentEncAESSettings::kCTR) {</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR, <span class="stringliteral">"Cipher Mode is not CTR."</span>);</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (!key->key_id.empty() &&</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  !encoding->SetEncryptionID(</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  reinterpret_cast<const uint8*>(key->key_id.data()),</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  key->key_id.size())) {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR, <span class="stringliteral">"Error setting encryption ID."</span>);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> Encryptor::Encryptor() {}</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> Encryptor::~Encryptor() {}</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ab37db1af563c523c84ef1addb9594175"> 55</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ab37db1af563c523c84ef1addb9594175">Encryptor::Initialize</a>(<a class="code" href="../../df/de7/classedash__packager_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>  <a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">KeySource</a>* key_source) {</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  DCHECK(key_source);</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> CreateEncryptor(muxer_listener, track_type, key_source);</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> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#a2e485e7ca25f46611916e7f171dd1b8d"> 62</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#a2e485e7ca25f46611916e7f171dd1b8d">Encryptor::AddTrackInfo</a>(mkvmuxer::Track* track) {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  DCHECK(key_);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> CreateContentEncryption(track, key_.get());</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"><a class="line" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ac7293db5bad8b0cd86ee428efaaf5318"> 67</a></span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ac7293db5bad8b0cd86ee428efaaf5318">Encryptor::EncryptFrame</a>(scoped_refptr<MediaSample> sample,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">bool</span> encrypt_frame) {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  DCHECK(encryptor_);</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="keyword">const</span> <span class="keywordtype">size_t</span> sample_size = sample->data_size();</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (encrypt_frame) {</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// | 1 | iv | enc_data |</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> iv_size = encryptor_->iv().size();</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  sample->resize_data(sample_size + iv_size + 1);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint8_t* sample_data = sample->writable_data();</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Encrypt the data in-place.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">if</span> (!encryptor_->Crypt(sample_data, sample_size, sample_data)) {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::MUXER_FAILURE, <span class="stringliteral">"Failed to encrypt the frame."</span>);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// First move the sample data to after the IV; then write the IV and signal</span></div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// byte.</span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  memmove(sample_data + iv_size + 1, sample_data, sample_size);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  sample_data[0] = 0x01;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  memcpy(sample_data + 1, encryptor_->iv().data(), iv_size);</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  encryptor_->UpdateIv();</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// | 0 | data |</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  sample->resize_data(sample_size + 1);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  uint8_t* sample_data = sample->writable_data();</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  memmove(sample_data + 1, sample_data, sample_size);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  sample_data[0] = 0x00;</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> Encryptor::CreateEncryptor(<a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  KeySource::TrackType track_type,</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">KeySource</a>* key_source) {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  scoped_ptr<EncryptionKey> encryption_key(<span class="keyword">new</span> <a class="code" href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">EncryptionKey</a>());</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = key_source-><a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ae1000d8809b293738dca06c1a5f916bf">GetKey</a>(track_type, encryption_key.get());</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!status.ok())</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> status;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (encryption_key->iv.empty()) {</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a0fccd9fe2270f0c584ff1f6c5dd6bd91">AesCryptor::GenerateRandomIv</a>(FOURCC_cenc, &encryption_key->iv))</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::INTERNAL_ERROR, <span class="stringliteral">"Failed to generate random iv."</span>);</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  scoped_ptr<AesCtrEncryptor> encryptor(<span class="keyword">new</span> <a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">AesCtrEncryptor</a>());</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> initialized =</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  encryptor->InitializeWithIv(encryption_key->key, encryption_key->iv);</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (!initialized)</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::INTERNAL_ERROR, <span class="stringliteral">"Failed to create the encryptor."</span>);</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (muxer_listener) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> kInitialEncryptionInfo = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  muxer_listener-><a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a9fbfab6fc603afd8468db9d02b3a2474">OnEncryptionInfoReady</a>(kInitialEncryptionInfo,</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  encryption_key->key_id,</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  encryptor->iv(),</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  encryption_key->key_system_info);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  key_ = encryption_key.Pass();</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  encryptor_ = encryptor.Pass();</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> Status::OK;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> } <span class="comment">// namespace webm</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> } <span class="comment">// namespace edash_packager</span></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Encryptor_html_ac7293db5bad8b0cd86ee428efaaf5318"><div class="ttname"><a href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ac7293db5bad8b0cd86ee428efaaf5318">edash_packager::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#l00067">encryptor.cc:67</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html_ae1000d8809b293738dca06c1a5f916bf"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ae1000d8809b293738dca06c1a5f916bf">edash_packager::media::KeySource::GetKey</a></div><div class="ttdeci">virtual Status GetKey(TrackType track_type, EncryptionKey *key)=0</div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html_a9fbfab6fc603afd8468db9d02b3a2474"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a9fbfab6fc603afd8468db9d02b3a2474">edash_packager::media::MuxerListener::OnEncryptionInfoReady</a></div><div class="ttdeci">virtual void OnEncryptionInfoReady(bool is_initial_encryption_info, const std::vector< uint8_t > &key_id, const std::vector< uint8_t > &iv, const std::vector< ProtectionSystemSpecificInfo > &key_system_info)=0</div></div>
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<div class="ttc" id="structedash__packager_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html">edash_packager::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00020">key_source.h:20</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1AesCryptor_html_a0fccd9fe2270f0c584ff1f6c5dd6bd91"><div class="ttname"><a href="../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a0fccd9fe2270f0c584ff1f6c5dd6bd91">edash_packager::media::AesCryptor::GenerateRandomIv</a></div><div class="ttdeci">static bool GenerateRandomIv(FourCC protection_scheme, std::vector< uint8_t > *iv)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d55/aes__cryptor_8cc_source.html#l00058">aes_cryptor.cc:58</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1Status_html"><div class="ttname"><a href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">edash_packager::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="classedash__packager_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">edash_packager::media::MuxerListener</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00028">muxer_listener.h:28</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">edash_packager::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="classedash__packager_1_1media_1_1webm_1_1Encryptor_html_ab37db1af563c523c84ef1addb9594175"><div class="ttname"><a href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#ab37db1af563c523c84ef1addb9594175">edash_packager::media::webm::Encryptor::Initialize</a></div><div class="ttdeci">Status Initialize(MuxerListener *muxer_listener, KeySource::TrackType track_type, KeySource *key_source)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d98/encryptor_8cc_source.html#l00055">encryptor.cc:55</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1AesCtrEncryptor_html"><div class="ttname"><a href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">edash_packager::media::AesCtrEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00037">aes_encryptor.h:37</a></div></div>
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<div class="ttc" id="classedash__packager_1_1media_1_1webm_1_1Encryptor_html_a2e485e7ca25f46611916e7f171dd1b8d"><div class="ttname"><a href="../../d2/d76/classedash__packager_1_1media_1_1webm_1_1Encryptor.html#a2e485e7ca25f46611916e7f171dd1b8d">edash_packager::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#l00062">encryptor.cc:62</a></div></div>
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