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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#ifndef PACKAGER_MPD_BASE_PERIOD_H_</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#define PACKAGER_MPD_BASE_PERIOD_H_</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/base/atomic_sequence_num.h&quot;</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/base/optional.h&quot;</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/adaptation_set.h&quot;</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/media_info.pb.h&quot;</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/xml/scoped_xml_ptr.h&quot;</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">struct </span>MpdOptions;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">namespace </span>xml {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">class </span>XmlNode;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;} <span class="comment">// namespace xml</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="../../d8/de1/classshaka_1_1Period.html"> 31</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="comment">// TODO(kqyang): Move |content_protection_in_adaptation_set| to Period</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="comment">// constructor.</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">virtual</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>* GetOrCreateAdaptationSet(</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">const</span> MediaInfo&amp; media_info,</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">bool</span> content_protection_in_adaptation_set);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; xml::scoped_xml_ptr&lt;xmlNode&gt; GetXml(<span class="keywordtype">bool</span> output_period_duration);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keyword">const</span> std::list&lt;AdaptationSet*&gt; GetAdaptationSets() <span class="keyword">const</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="../../d8/de1/classshaka_1_1Period.html#a93ec8606ac8aa96139d3b5459ccb303d"> 60</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html#a93ec8606ac8aa96139d3b5459ccb303d">start_time_in_seconds</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> start_time_in_seconds_; }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="../../d8/de1/classshaka_1_1Period.html#a53fff2b4d8ac731857ec5a33cfcfaf86"> 63</a></span>&#160; <span class="keywordtype">double</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html#a53fff2b4d8ac731857ec5a33cfcfaf86">duration_seconds</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> duration_seconds_; }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="../../d8/de1/classshaka_1_1Period.html#a5519676b3185c9902e98f5f3762d6d71"> 66</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html#a5519676b3185c9902e98f5f3762d6d71">set_duration_seconds</a>(<span class="keywordtype">double</span> duration_seconds) {</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; duration_seconds_ = duration_seconds;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>(uint32_t period_id,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">double</span> start_time_in_seconds,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>&amp; mpd_options,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; base::AtomicSequenceNumber* representation_counter);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>(<span class="keyword">const</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html">MpdBuilder</a>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">friend</span> <span class="keyword">class </span>PeriodTest;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="comment">// Calls AdaptationSet constructor. For mock injection.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">virtual</span> std::unique_ptr&lt;AdaptationSet&gt; NewAdaptationSet(</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">const</span> std::string&amp; lang,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>&amp; options,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; base::AtomicSequenceNumber* representation_counter);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="comment">// Helper function to set new AdaptationSet attributes.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordtype">bool</span> SetNewAdaptationSetAttributes(</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keyword">const</span> std::string&amp; language,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">const</span> MediaInfo&amp; media_info,</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">const</span> std::list&lt;AdaptationSet*&gt;&amp; adaptation_sets,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>* new_adaptation_set);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="comment">// Gets the original AdaptationSet which the trick play video belongs to.</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <span class="comment">// It is assumed that the corresponding AdaptationSet has been created before</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="comment">// the trick play AdaptationSet.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="comment">// Returns the original AdaptationSet if found, otherwise returns nullptr;</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>* FindOriginalAdaptationSetForTrickPlay(</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">const</span> MediaInfo&amp; media_info);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">const</span> uint32_t id_;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> start_time_in_seconds_;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordtype">double</span> duration_seconds_ = 0;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>&amp; mpd_options_;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; base::AtomicSequenceNumber* <span class="keyword">const</span> representation_counter_;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; std::list&lt;std::unique_ptr&lt;AdaptationSet&gt;&gt; adaptation_sets_;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="comment">// AdaptationSets grouped by a specific adaptation set grouping key.</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// AdaptationSets with the same key contain identical parameters except</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// ContentProtection parameters. A single AdaptationSet would be created</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// if they contain identical ContentProtection elements. This map is only</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="comment">// useful when ContentProtection element is placed in AdaptationSet.</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; std::map&lt;std::string, std::list&lt;AdaptationSet*&gt;&gt; adaptation_set_list_map_;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// Tracks ProtectedContent in AdaptationSet.</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">class </span>ProtectedAdaptationSetMap {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; ProtectedAdaptationSetMap() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// Register the |adaptation_set| with associated |media_info| in the map.</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordtype">void</span> Register(<span class="keyword">const</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>&amp; adaptation_set,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">const</span> MediaInfo&amp; media_info);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="comment">// Check if the protected content associated with |adaptation_set| matches</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="comment">// with the one in |media_info|.</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordtype">bool</span> Match(<span class="keyword">const</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>&amp; adaptation_set,</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> MediaInfo&amp; media_info);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">// Check if the two adaptation sets are switchable.</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordtype">bool</span> Switchable(<span class="keyword">const</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>&amp; adaptation_set_a,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>&amp; adaptation_set_b);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; ProtectedAdaptationSetMap(<span class="keyword">const</span> ProtectedAdaptationSetMap&amp;) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ProtectedAdaptationSetMap&amp; operator=(<span class="keyword">const</span> ProtectedAdaptationSetMap&amp;) =</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keyword">delete</span>;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// AdaptationSet =&gt; ProtectedContent map.</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; std::map&lt;const AdaptationSet*, MediaInfo::ProtectedContent&gt;</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; protected_content_map_;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; };</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; ProtectedAdaptationSetMap protected_adaptation_set_map_;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;};</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;} <span class="comment">// namespace shaka</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="preprocessor">#endif // PACKAGER_MPD_BASE_PERIOD_H_</span></div><div class="ttc" id="classshaka_1_1AdaptationSet_html"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html">shaka::AdaptationSet</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d72/adaptation__set_8h_source.html#l00038">adaptation_set.h:38</a></div></div>
<div class="ttc" id="classshaka_1_1MpdBuilder_html"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html">shaka::MpdBuilder</a></div><div class="ttdoc">This class generates DASH MPDs (Media Presentation Descriptions). </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da3/mpd__builder_8h_source.html#l00038">mpd_builder.h:38</a></div></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>
<div class="ttc" id="classshaka_1_1Period_html_a53fff2b4d8ac731857ec5a33cfcfaf86"><div class="ttname"><a href="../../d8/de1/classshaka_1_1Period.html#a53fff2b4d8ac731857ec5a33cfcfaf86">shaka::Period::duration_seconds</a></div><div class="ttdeci">double duration_seconds() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d20/period_8h_source.html#l00063">period.h:63</a></div></div>
<div class="ttc" id="classshaka_1_1Period_html_a5519676b3185c9902e98f5f3762d6d71"><div class="ttname"><a href="../../d8/de1/classshaka_1_1Period.html#a5519676b3185c9902e98f5f3762d6d71">shaka::Period::set_duration_seconds</a></div><div class="ttdeci">void set_duration_seconds(double duration_seconds)</div><div class="ttdoc">Set period duration. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d20/period_8h_source.html#l00066">period.h:66</a></div></div>
<div class="ttc" id="classshaka_1_1Period_html_a93ec8606ac8aa96139d3b5459ccb303d"><div class="ttname"><a href="../../d8/de1/classshaka_1_1Period.html#a93ec8606ac8aa96139d3b5459ccb303d">shaka::Period::start_time_in_seconds</a></div><div class="ttdeci">double start_time_in_seconds() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d20/period_8h_source.html#l00060">period.h:60</a></div></div>
<div class="ttc" id="structshaka_1_1MpdOptions_html"><div class="ttname"><a href="../../d1/df3/structshaka_1_1MpdOptions.html">shaka::MpdOptions</a></div><div class="ttdoc">Defines Mpd Options. </div><div class="ttdef"><b>Definition:</b> <a href="../../db/d60/mpd__options_8h_source.html#l00025">mpd_options.h:25</a></div></div>
<div class="ttc" id="classshaka_1_1Period_html"><div class="ttname"><a href="../../d8/de1/classshaka_1_1Period.html">shaka::Period</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d20/period_8h_source.html#l00031">period.h:31</a></div></div>
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