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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_e3bda0bde998a4d5063328245b9909be.html">base</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2016 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/raw_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 <algorithm></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/key_source.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/raw_key_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>{</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kEmptyDrmLabel[] = <span class="stringliteral">""</span>;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>media {</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> RawKeySource::~RawKeySource() {}</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a0849f7000c4ab37139cc9c9ea1a031f3"> 25</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a0849f7000c4ab37139cc9c9ea1a031f3">RawKeySource::FetchKeys</a>(EmeInitDataType init_data_type,</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">const</span> std::vector<uint8_t>& init_data) {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="comment">// Do nothing for raw key encryption/decryption.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> }</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a29b20968ba46f1ad3c206b8173fa6f7a"> 31</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a29b20968ba46f1ad3c206b8173fa6f7a">RawKeySource::GetKey</a>(<span class="keyword">const</span> std::string& stream_label,</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  DCHECK(key);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// Try to find the key with label |stream_label|. If it is not available,</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// fall back to the default empty label if it is available.</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">auto</span> iter = encryption_key_map_.find(stream_label);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> (iter == encryption_key_map_.end()) {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  iter = encryption_key_map_.find(kEmptyDrmLabel);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (iter == encryption_key_map_.end()) {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::NOT_FOUND,</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"Key for '"</span> + stream_label + <span class="stringliteral">"' was not found."</span>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</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>  *key = *iter->second;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</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="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#aa5b34dcc690e695f64846a8293335967"> 48</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a29b20968ba46f1ad3c206b8173fa6f7a">RawKeySource::GetKey</a>(<span class="keyword">const</span> std::vector<uint8_t>& key_id,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  DCHECK(key);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : encryption_key_map_) {</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (pair.second->key_id == key_id) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  *key = *pair.second;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a>(error::INTERNAL_ERROR,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"Key for key_id="</span> + base::HexEncode(&key_id[0], key_id.size()) +</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">" was not found."</span>);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#aa5b50bc57ebd9691db6fbed256cd763e"> 62</a></span> <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#aa5b50bc57ebd9691db6fbed256cd763e">RawKeySource::GetCryptoPeriodKey</a>(uint32_t crypto_period_index,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> std::string& stream_label,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>* key) {</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  RETURN_IF_ERROR(<a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a29b20968ba46f1ad3c206b8173fa6f7a">GetKey</a>(stream_label, key));</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// A naive key rotation algorithm is implemented here by left rotating the</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// key, key_id and pssh. Note that this implementation is only intended for</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// testing purpose. The actual key rotation algorithm can be much more</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// complicated.</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  LOG(WARNING)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  << <span class="stringliteral">"This naive key rotation algorithm should not be used in production."</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::rotate(key->key_id.begin(),</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  key->key_id.begin() + (crypto_period_index % key->key_id.size()),</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  key->key_id.end());</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  std::rotate(key->key.begin(),</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  key->key.begin() + (crypto_period_index % key->key.size()),</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  key->key.end());</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="comment">// Clear |key->key_system_info| to prepare for update. The original</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// |key_system_info| is saved as it may still be useful later.</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::vector<ProtectionSystemSpecificInfo> original_key_system_info;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  key->key_system_info.swap(original_key_system_info);</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  EncryptionKeyMap encryption_key_map;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  encryption_key_map[stream_label].reset(<span class="keyword">new</span> <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>(*key));</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  RETURN_IF_ERROR(<a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a8cb007e01d91f38d64cad4ba47f1208a">UpdateProtectionSystemInfo</a>(&encryption_key_map));</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  key->key_system_info = encryption_key_map[stream_label]->key_system_info;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// It is possible that the generated |key_system_info| is empty. This happens</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// when RawKeyParams.pssh is specified. Restore the original key system info</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// in this case.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (key->key_system_info.empty())</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  key->key_system_info.swap(original_key_system_info);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> Status::OK;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#af5a8c725fd07b4faa86f2bc39049858b"> 99</a></span> std::unique_ptr<RawKeySource> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#af5a8c725fd07b4faa86f2bc39049858b">RawKeySource::Create</a>(</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> <a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html">RawKeyParams</a>& raw_key,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> protection_systems_flags) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  std::vector<ProtectionSystemSpecificInfo> key_system_info;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">bool</span> pssh_provided = <span class="keyword">false</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (!raw_key.<a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html#a448b8c435fc86d4fbc85214e523f2ac5">pssh</a>.empty()) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  pssh_provided = <span class="keyword">true</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html#aa984e27d2655a451ea87ff0a4ddd8b79">ProtectionSystemSpecificInfo::ParseBoxes</a>(</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  raw_key.<a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html#a448b8c435fc86d4fbc85214e523f2ac5">pssh</a>.data(), raw_key.<a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html#a448b8c435fc86d4fbc85214e523f2ac5">pssh</a>.size(), &key_system_info)) {</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  LOG(ERROR) << <span class="stringliteral">"--pssh argument should be full PSSH boxes."</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> std::unique_ptr<RawKeySource>();</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  EncryptionKeyMap encryption_key_map;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& entry : raw_key.<a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html#a14e44fed95583d0bb319c082fb1ddb84">key_map</a>) {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::string& drm_label = entry.first;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <a class="code" href="../../d0/dbe/structshaka_1_1RawKeyParams_1_1KeyInfo.html">RawKeyParams::KeyInfo</a>& key_pair = entry.second;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (key_pair.key_id.size() != 16) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  LOG(ERROR) << <span class="stringliteral">"Invalid key ID size '"</span> << key_pair.key_id.size()</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  << <span class="stringliteral">"', must be 16 bytes."</span>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> std::unique_ptr<RawKeySource>();</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (key_pair.key.size() != 16) {</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// CENC only supports AES-128, i.e. 16 bytes.</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  LOG(ERROR) << <span class="stringliteral">"Invalid key size '"</span> << key_pair.key.size()</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  << <span class="stringliteral">"', must be 16 bytes."</span>;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> std::unique_ptr<RawKeySource>();</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  std::unique_ptr<EncryptionKey> encryption_key(<span class="keyword">new</span> <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a>);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  encryption_key->key_id = key_pair.key_id;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  encryption_key->key = key_pair.key;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  encryption_key->iv = raw_key.<a class="code" href="../../d0/db4/structshaka_1_1RawKeyParams.html#aab733ab6920dd8fbed523810e64ea3f1">iv</a>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  encryption_key->key_system_info = key_system_info;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  encryption_key_map[drm_label] = std::move(encryption_key);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Generate common protection system if no other protection system is</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// specified.</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (!pssh_provided && protection_systems_flags == NO_PROTECTION_SYSTEM_FLAG) {</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  protection_systems_flags = COMMON_PROTECTION_SYSTEM_FLAG;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> std::unique_ptr<RawKeySource>(<span class="keyword">new</span> <a class="code" href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html">RawKeySource</a>(</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  std::move(encryption_key_map), protection_systems_flags));</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> RawKeySource::RawKeySource() : <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>(NO_PROTECTION_SYSTEM_FLAG) {}</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> RawKeySource::RawKeySource(EncryptionKeyMap&& encryption_key_map,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">int</span> protection_systems_flags)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  : <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>(protection_systems_flags),</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  encryption_key_map_(std::move(encryption_key_map)) {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a8cb007e01d91f38d64cad4ba47f1208a">UpdateProtectionSystemInfo</a>(&encryption_key_map_);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> } <span class="comment">// namespace shaka</span></div><div class="ttc" id="classshaka_1_1media_1_1RawKeySource_html_aa5b50bc57ebd9691db6fbed256cd763e"><div class="ttname"><a href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#aa5b50bc57ebd9691db6fbed256cd763e">shaka::media::RawKeySource::GetCryptoPeriodKey</a></div><div class="ttdeci">Status GetCryptoPeriodKey(uint32_t crypto_period_index, const std::string &stream_label, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/dd6/raw__key__source_8cc_source.html#l00062">raw_key_source.cc:62</a></div></div>
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<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="structshaka_1_1RawKeyParams_1_1KeyInfo_html"><div class="ttname"><a href="../../d0/dbe/structshaka_1_1RawKeyParams_1_1KeyInfo.html">shaka::RawKeyParams::KeyInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00101">crypto_params.h:101</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#l00037">key_source.cc:37</a></div></div>
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<div class="ttc" id="structshaka_1_1RawKeyParams_html"><div class="ttname"><a href="../../d0/db4/structshaka_1_1RawKeyParams.html">shaka::RawKeyParams</a></div><div class="ttdoc">Raw key encryption/decryption parameters, i.e. with key parameters provided. </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00090">crypto_params.h:90</a></div></div>
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<div class="ttc" id="structshaka_1_1RawKeyParams_html_a14e44fed95583d0bb319c082fb1ddb84"><div class="ttname"><a href="../../d0/db4/structshaka_1_1RawKeyParams.html#a14e44fed95583d0bb319c082fb1ddb84">shaka::RawKeyParams::key_map</a></div><div class="ttdeci">std::map< StreamLabel, KeyInfo > key_map</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00108">crypto_params.h:108</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#l00037">key_source.h:37</a></div></div>
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<div class="ttc" id="structshaka_1_1RawKeyParams_html_aab733ab6920dd8fbed523810e64ea3f1"><div class="ttname"><a href="../../d0/db4/structshaka_1_1RawKeyParams.html#aab733ab6920dd8fbed523810e64ea3f1">shaka::RawKeyParams::iv</a></div><div class="ttdeci">std::vector< uint8_t > iv</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00094">crypto_params.h:94</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1RawKeySource_html"><div class="ttname"><a href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html">shaka::media::RawKeySource</a></div><div class="ttdoc">A key source that uses raw keys for encryption. </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d60/raw__key__source_8h_source.html#l00027">raw_key_source.h:27</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1RawKeySource_html_a29b20968ba46f1ad3c206b8173fa6f7a"><div class="ttname"><a href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a29b20968ba46f1ad3c206b8173fa6f7a">shaka::media::RawKeySource::GetKey</a></div><div class="ttdeci">Status GetKey(const std::string &stream_label, EncryptionKey *key) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/dd6/raw__key__source_8cc_source.html#l00031">raw_key_source.cc:31</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1RawKeySource_html_af5a8c725fd07b4faa86f2bc39049858b"><div class="ttname"><a href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#af5a8c725fd07b4faa86f2bc39049858b">shaka::media::RawKeySource::Create</a></div><div class="ttdeci">static std::unique_ptr< RawKeySource > Create(const RawKeyParams &raw_key, int protection_system_flags)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/dd6/raw__key__source_8cc_source.html#l00099">raw_key_source.cc:99</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#l00050">key_source.h:50</a></div></div>
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<div class="ttc" id="structshaka_1_1RawKeyParams_html_a448b8c435fc86d4fbc85214e523f2ac5"><div class="ttname"><a href="../../d0/db4/structshaka_1_1RawKeyParams.html#a448b8c435fc86d4fbc85214e523f2ac5">shaka::RawKeyParams::pssh</a></div><div class="ttdeci">std::vector< uint8_t > pssh</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d58/crypto__params_8h_source.html#l00098">crypto_params.h:98</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1RawKeySource_html_a0849f7000c4ab37139cc9c9ea1a031f3"><div class="ttname"><a href="../../db/dd0/classshaka_1_1media_1_1RawKeySource.html#a0849f7000c4ab37139cc9c9ea1a031f3">shaka::media::RawKeySource::FetchKeys</a></div><div class="ttdeci">Status FetchKeys(EmeInitDataType init_data_type, const std::vector< uint8_t > &init_data) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/dd6/raw__key__source_8cc_source.html#l00025">raw_key_source.cc:25</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1ProtectionSystemSpecificInfo_html_aa984e27d2655a451ea87ff0a4ddd8b79"><div class="ttname"><a href="../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html#aa984e27d2655a451ea87ff0a4ddd8b79">shaka::media::ProtectionSystemSpecificInfo::ParseBoxes</a></div><div class="ttdeci">static bool ParseBoxes(const uint8_t *data, size_t data_size, std::vector< ProtectionSystemSpecificInfo > *pssh_boxes)</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d42/protection__system__specific__info_8cc_source.html#l00034">protection_system_specific_info.cc:34</a></div></div>
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