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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><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/base/key_source.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/base/logging.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/media/base/common_pssh_generator.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/playready_pssh_generator.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/protection_system_ids.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/widevine_pssh_generator.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/status_macros.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> KeySource::KeySource(<span class="keywordtype">int</span> protection_systems_flags, FourCC protection_scheme) {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">if</span> (protection_systems_flags & COMMON_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  pssh_generators_.emplace_back(<span class="keyword">new</span> CommonPsshGenerator());</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  }</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordflow">if</span> (protection_systems_flags & PLAYREADY_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  pssh_generators_.emplace_back(</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">new</span> PlayReadyPsshGenerator(protection_scheme));</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  }</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordflow">if</span> (protection_systems_flags & WIDEVINE_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  pssh_generators_.emplace_back(<span class="keyword">new</span> WidevinePsshGenerator(protection_scheme));</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  }</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> (protection_systems_flags & FAIRPLAY_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  no_pssh_systems_.emplace_back(std::begin(kFairPlaySystemId),</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  std::end(kFairPlaySystemId));</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// We only support Marlin Adaptive Streaming Specification – Simple Profile</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// with Implicit Content ID Mapping, which does not need a PSSH. Marlin</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// specific PSSH with Explicit Content ID Mapping is not generated.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (protection_systems_flags & MARLIN_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  no_pssh_systems_.emplace_back(std::begin(kMarlinSystemId),</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::end(kMarlinSystemId));</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> KeySource::~KeySource() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a8cb007e01d91f38d64cad4ba47f1208a"> 48</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a8cb007e01d91f38d64cad4ba47f1208a">KeySource::UpdateProtectionSystemInfo</a>(</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  EncryptionKeyMap* encryption_key_map) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pssh_generator : pssh_generators_) {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> support_multiple_keys = pssh_generator->SupportMultipleKeys();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (support_multiple_keys) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">ProtectionSystemSpecificInfo</a> info;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  std::vector<std::vector<uint8_t>> key_ids;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> EncryptionKeyMap::value_type& pair : *encryption_key_map) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  key_ids.push_back(pair.second->key_id);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  RETURN_IF_ERROR(pssh_generator->GeneratePsshFromKeyIds(key_ids, &info));</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> EncryptionKeyMap::value_type& pair : *encryption_key_map) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  pair.second->key_system_info.push_back(info);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> EncryptionKeyMap::value_type& pair : *encryption_key_map) {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">ProtectionSystemSpecificInfo</a> info;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  RETURN_IF_ERROR(pssh_generator->GeneratePsshFromKeyIdAndKey(</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  pair.second->key_id, pair.second->key, &info));</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  pair.second->key_system_info.push_back(info);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& no_pssh_system : no_pssh_systems_) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">ProtectionSystemSpecificInfo</a> info;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  info.system_id = no_pssh_system;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> EncryptionKeyMap::value_type& pair : *encryption_key_map) {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  pair.second->key_system_info.push_back(info);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> } <span class="comment">// namespace shaka</span></div><div class="ttc" id="namespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="classshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_a8cb007e01d91f38d64cad4ba47f1208a"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a8cb007e01d91f38d64cad4ba47f1208a">shaka::media::KeySource::UpdateProtectionSystemInfo</a></div><div class="ttdeci">Status UpdateProtectionSystemInfo(EncryptionKeyMap *encryption_key_map)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd6/key__source_8cc_source.html#l00048">key_source.cc:48</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1ProtectionSystemSpecificInfo_html"><div class="ttname"><a href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html">shaka::media::ProtectionSystemSpecificInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d59/protection__system__specific__info_8h_source.html#l00026">protection_system_specific_info.h:26</a></div></div>
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