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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_c6ada2450b25ab5438a4dba6c9b890af.html">base</a></li> </ul>
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<div class="title">key_source.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 2014 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_BASE_KEY_SOURCE_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_BASE_KEY_SOURCE_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 <string></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <vector></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="preprocessor">#include "packager/media/base/protection_system_specific_info.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/status.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>media {</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"><a class="line" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html"> 19</a></span> <span class="keyword">struct </span><a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>();</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  ~<a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>();</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>  std::vector<ProtectionSystemSpecificInfo> key_system_info;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  std::vector<uint8_t> key_id;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  std::vector<uint8_t> key;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  std::vector<uint8_t> iv;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> };</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html"> 30</a></span> <span class="keyword">class </span><a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">enum</span> TrackType {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  TRACK_TYPE_UNKNOWN = 0,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  TRACK_TYPE_SD = 1,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  TRACK_TYPE_HD = 2,</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  TRACK_TYPE_AUDIO = 3,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  TRACK_TYPE_UNSPECIFIED = 4,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  NUM_VALID_TRACK_TYPES = 4</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> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>();</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">virtual</span> ~<a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>();</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de">FetchKeys</a>(<span class="keyword">const</span> std::vector<uint8_t>& pssh_box) = 0;</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="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de">FetchKeys</a>(</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> std::vector<std::vector<uint8_t>>& key_ids) = 0;</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="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de">FetchKeys</a>(uint32_t asset_id) = 0;</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="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">GetKey</a>(TrackType track_type, <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) = 0;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">GetKey</a>(<span class="keyword">const</span> std::vector<uint8_t>& key_id,</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) = 0;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16">GetCryptoPeriodKey</a>(uint32_t crypto_period_index,</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  TrackType track_type,</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) = 0;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">static</span> TrackType <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a0963412e7ee33d0e34893ebdf38d96c1">GetTrackTypeFromString</a>(<span class="keyword">const</span> std::string& track_type_string);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">static</span> std::string <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a4f9cede7a8c1678e1fac93c8fe12aa75">TrackTypeToString</a>(TrackType track_type);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</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> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// namespace shaka</span></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> <span class="preprocessor">#endif // MEDIA_BASE_KEY_SOURCE_H_</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_a18806b962c858e35ed07753687605b16"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16">shaka::media::KeySource::GetCryptoPeriodKey</a></div><div class="ttdeci">virtual Status GetCryptoPeriodKey(uint32_t crypto_period_index, TrackType track_type, EncryptionKey *key)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_a994eb66cf09d8b08fd1c964f6afd3ab3"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3">shaka::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="classshaka_1_1media_1_1KeySource_html_a4f9cede7a8c1678e1fac93c8fe12aa75"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a4f9cede7a8c1678e1fac93c8fe12aa75">shaka::media::KeySource::TrackTypeToString</a></div><div class="ttdeci">static std::string TrackTypeToString(TrackType track_type)</div><div class="ttdoc">Convert TrackType to string. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00033">key_source.cc:33</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_aca6ecdac6ebc131d3626b765f64cb2de"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de">shaka::media::KeySource::FetchKeys</a></div><div class="ttdeci">virtual Status FetchKeys(const std::vector< uint8_t > &pssh_box)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_a0963412e7ee33d0e34893ebdf38d96c1"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a0963412e7ee33d0e34893ebdf38d96c1">shaka::media::KeySource::GetTrackTypeFromString</a></div><div class="ttdeci">static TrackType GetTrackTypeFromString(const std::string &track_type_string)</div><div class="ttdoc">Convert string representation of track type to enum representation. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00019">key_source.cc:19</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">shaka::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00019">key_source.h:19</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#l00030">key_source.h:30</a></div></div>
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