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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 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; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/mpd_builder.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/base/files/file_path.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/base/optional.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/string_number_conversions.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/stringprintf.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/base/synchronization/lock.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/base/time/default_clock.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/base/time/time.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/rcheck.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/adaptation_set.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/mpd_utils.h&quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/period.h&quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/representation.h&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;packager/version/version.h&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">using</span> base::FilePath;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">using</span> xml::XmlNode;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keywordtype">bool</span> AddMpdNameSpaceInfo(XmlNode* mpd) {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; DCHECK(mpd);</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">const</span> std::set&lt;std::string&gt; namespaces = mpd-&gt;ExtractReferencedNamespaces();</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespace[] = <span class="stringliteral">&quot;urn:mpeg:dash:schema:mpd:2011&quot;</span>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespaceXsi[] =</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="stringliteral">&quot;http://www.w3.org/2001/XMLSchema-instance&quot;</span>;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDashSchemaMpd2011[] =</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="stringliteral">&quot;urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd&quot;</span>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; RCHECK(mpd-&gt;SetStringAttribute(<span class="stringliteral">&quot;xmlns&quot;</span>, kXmlNamespace));</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; RCHECK(mpd-&gt;SetStringAttribute(<span class="stringliteral">&quot;xmlns:xsi&quot;</span>, kXmlNamespaceXsi));</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; RCHECK(mpd-&gt;SetStringAttribute(<span class="stringliteral">&quot;xsi:schemaLocation&quot;</span>, kDashSchemaMpd2011));</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kCencNamespace[] = <span class="stringliteral">&quot;urn:mpeg:cenc:2013&quot;</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kMarlinNamespace[] =</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="stringliteral">&quot;urn:marlin:mas:1-0:services:schemas:mpd&quot;</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespaceXlink[] = <span class="stringliteral">&quot;http://www.w3.org/1999/xlink&quot;</span>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kMsprNamespace[] = <span class="stringliteral">&quot;urn:microsoft:playready&quot;</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">const</span> std::map&lt;std::string, std::string&gt; uris = {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; {<span class="stringliteral">&quot;cenc&quot;</span>, kCencNamespace},</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; {<span class="stringliteral">&quot;mas&quot;</span>, kMarlinNamespace},</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; {<span class="stringliteral">&quot;xlink&quot;</span>, kXmlNamespaceXlink},</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; {<span class="stringliteral">&quot;mspr&quot;</span>, kMsprNamespace},</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; };</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string&amp; namespace_name : namespaces) {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keyword">auto</span> iter = uris.find(namespace_name);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; CHECK(iter != uris.end()) &lt;&lt; <span class="stringliteral">&quot; unexpected namespace &quot;</span> &lt;&lt; namespace_name;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; RCHECK(mpd-&gt;SetStringAttribute(</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; base::StringPrintf(<span class="stringliteral">&quot;xmlns:%s&quot;</span>, namespace_name.c_str()).c_str(),</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; iter-&gt;second));</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; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;}</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="keywordtype">bool</span> Positive(<span class="keywordtype">double</span> d) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">return</span> d &gt; 0.0;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;}</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment">// Return current time in XML DateTime format. The value is in UTC, so the</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment">// string ends with a &#39;Z&#39;.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;std::string XmlDateTimeNowWithOffset(</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; int32_t offset_seconds,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; base::Clock* clock) {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; base::Time time = clock-&gt;Now();</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; time += base::TimeDelta::FromSeconds(offset_seconds);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; base::Time::Exploded time_exploded;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; time.UTCExplode(&amp;time_exploded);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> base::StringPrintf(<span class="stringliteral">&quot;%4d-%02d-%02dT%02d:%02d:%02dZ&quot;</span>, time_exploded.year,</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; time_exploded.month, time_exploded.day_of_month,</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; time_exploded.hour, time_exploded.minute,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; time_exploded.second);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;}</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keywordtype">bool</span> SetIfPositive(<span class="keyword">const</span> <span class="keywordtype">char</span>* attr_name, <span class="keywordtype">double</span> value, XmlNode* mpd) {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> !Positive(value) ||</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; mpd-&gt;SetStringAttribute(attr_name, SecondsToXmlDuration(value));</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;std::string MakePathRelative(<span class="keyword">const</span> std::string&amp; media_path,</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keyword">const</span> FilePath&amp; parent_path) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; FilePath relative_path;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keyword">const</span> FilePath child_path = FilePath::FromUTF8Unsafe(media_path);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> is_child =</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; parent_path.AppendRelativePath(child_path, &amp;relative_path);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordflow">if</span> (!is_child)</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; relative_path = child_path;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> relative_path.NormalizePathSeparatorsTo(<span class="charliteral">&#39;/&#39;</span>).AsUTF8Unsafe();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;}</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="comment">// Spooky static initialization/cleanup of libxml.</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="keyword">class </span>LibXmlInitializer {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; LibXmlInitializer() : initialized_(false) {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; base::AutoLock lock(lock_);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">if</span> (!initialized_) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; xmlInitParser();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; initialized_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; ~LibXmlInitializer() {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; base::AutoLock lock(lock_);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">if</span> (initialized_) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; xmlCleanupParser();</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; initialized_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; base::Lock lock_;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordtype">bool</span> initialized_;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; DISALLOW_COPY_AND_ASSIGN(LibXmlInitializer);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;};</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;} <span class="comment">// namespace</span></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"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab364102e01afedd8a4dcc9be4fdcc0ab"> 136</a></span>&#160;<a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab364102e01afedd8a4dcc9be4fdcc0ab">MpdBuilder::MpdBuilder</a>(<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="l00137"></a><span class="lineno"> 137</span>&#160; : mpd_options_(mpd_options), clock_(new base::DefaultClock()) {}</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;MpdBuilder::~MpdBuilder() {}</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"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab6fd968035d1cba5060fe23a107f8bdb"> 141</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab6fd968035d1cba5060fe23a107f8bdb">MpdBuilder::AddBaseUrl</a>(<span class="keyword">const</span> std::string&amp; base_url) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; base_urls_.push_back(base_url);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;}</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"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ae03eb3ac55f8b1360a57a1af16f593e6"> 145</a></span>&#160;<a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>* <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ae03eb3ac55f8b1360a57a1af16f593e6">MpdBuilder::GetOrCreatePeriod</a>(<span class="keywordtype">double</span> start_time_in_seconds) {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; period : periods_) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> kPeriodTimeDriftThresholdInSeconds = 1.0;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> match =</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; std::fabs(period-&gt;start_time_in_seconds() - start_time_in_seconds) &lt;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; kPeriodTimeDriftThresholdInSeconds;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">if</span> (match)</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">return</span> period.get();</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; periods_.emplace_back(<span class="keyword">new</span> <a class="code" href="../../d8/de1/classshaka_1_1Period.html">Period</a>(period_counter_++, start_time_in_seconds,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; mpd_options_, &amp;representation_counter_));</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">return</span> periods_.back().get();</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;}</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a058a7c0bde155071773bcfaa5f0f5b3b"> 159</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a058a7c0bde155071773bcfaa5f0f5b3b">MpdBuilder::ToString</a>(std::string* output) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; DCHECK(output);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">static</span> LibXmlInitializer lib_xml_initializer;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">auto</span> mpd = GenerateMpd();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">if</span> (!mpd)</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; std::string version = GetPackagerVersion();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">if</span> (!version.empty()) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; version =</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; base::StringPrintf(<span class="stringliteral">&quot;Generated with %s version %s&quot;</span>,</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; GetPackagerProjectUrl().c_str(), version.c_str());</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; *output = mpd-&gt;ToString(version);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;}</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;base::Optional&lt;xml::XmlNode&gt; MpdBuilder::GenerateMpd() {</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <a class="code" href="../../d1/d31/classshaka_1_1xml_1_1XmlNode.html">XmlNode</a> mpd(<span class="stringliteral">&quot;MPD&quot;</span>);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="comment">// Add baseurls to MPD.</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> std::string&amp; base_url : base_urls_) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <a class="code" href="../../d1/d31/classshaka_1_1xml_1_1XmlNode.html">XmlNode</a> xml_base_url(<span class="stringliteral">&quot;BaseURL&quot;</span>);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; xml_base_url.SetContent(base_url);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">if</span> (!mpd.AddChild(std::move(xml_base_url)))</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordtype">bool</span> output_period_duration = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">if</span> (mpd_options_.mpd_type == MpdType::kStatic) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; UpdatePeriodDurationAndPresentationTimestamp();</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="comment">// Only output period duration if there are more than one period. In the</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="comment">// case of only one period, Period@duration is redundant as it is identical</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="comment">// to Mpd Duration so the convention is not to output Period@duration.</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; output_period_duration = periods_.size() &gt; 1;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; period : periods_) {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="keyword">auto</span> period_node = period-&gt;GetXml(output_period_duration);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordflow">if</span> (!period_node || !mpd.AddChild(std::move(*period_node)))</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">if</span> (!AddMpdNameSpaceInfo(&amp;mpd))</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kOnDemandProfile[] =</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="stringliteral">&quot;urn:mpeg:dash:profile:isoff-on-demand:2011&quot;</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kLiveProfile[] =</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="stringliteral">&quot;urn:mpeg:dash:profile:isoff-live:2011&quot;</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">switch</span> (mpd_options_.dash_profile) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="keywordflow">case</span> DashProfile::kOnDemand:</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">if</span> (!mpd.SetStringAttribute(<span class="stringliteral">&quot;profiles&quot;</span>, kOnDemandProfile))</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">case</span> DashProfile::kLive:</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">if</span> (!mpd.SetStringAttribute(<span class="stringliteral">&quot;profiles&quot;</span>, kLiveProfile))</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; NOTREACHED() &lt;&lt; <span class="stringliteral">&quot;Unknown DASH profile: &quot;</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; &lt;&lt; <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(mpd_options_.dash_profile);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; }</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordflow">if</span> (!AddCommonMpdInfo(&amp;mpd))</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">switch</span> (mpd_options_.mpd_type) {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordflow">case</span> MpdType::kStatic:</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordflow">if</span> (!AddStaticMpdInfo(&amp;mpd))</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <span class="keywordflow">case</span> MpdType::kDynamic:</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">if</span> (!AddDynamicMpdInfo(&amp;mpd))</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="comment">// Must be after Period element.</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="keywordflow">if</span> (!AddUtcTiming(&amp;mpd))</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">return</span> base::nullopt;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; NOTREACHED() &lt;&lt; <span class="stringliteral">&quot;Unknown MPD type: &quot;</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; &lt;&lt; <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(mpd_options_.mpd_type);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; }</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="keywordflow">return</span> mpd;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160;}</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;<span class="keywordtype">bool</span> MpdBuilder::AddCommonMpdInfo(XmlNode* mpd_node) {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordflow">if</span> (Positive(mpd_options_.mpd_params.<a class="code" href="../../df/ddc/structshaka_1_1MpdParams.html#aee1510b64b9acbc17b8bfccac2e132a3">min_buffer_time</a>)) {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; RCHECK(mpd_node-&gt;SetStringAttribute(</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="stringliteral">&quot;minBufferTime&quot;</span>,</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; SecondsToXmlDuration(mpd_options_.mpd_params.<a class="code" href="../../df/ddc/structshaka_1_1MpdParams.html#aee1510b64b9acbc17b8bfccac2e132a3">min_buffer_time</a>)));</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;minBufferTime value not specified.&quot;</span>;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; }</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160;}</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;<span class="keywordtype">bool</span> MpdBuilder::AddStaticMpdInfo(XmlNode* mpd_node) {</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; DCHECK(mpd_node);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; DCHECK_EQ(MpdType::kStatic, mpd_options_.mpd_type);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kStaticMpdType[] = <span class="stringliteral">&quot;static&quot;</span>;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="keywordflow">return</span> mpd_node-&gt;SetStringAttribute(<span class="stringliteral">&quot;type&quot;</span>, kStaticMpdType) &amp;&amp;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; mpd_node-&gt;SetStringAttribute(</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="stringliteral">&quot;mediaPresentationDuration&quot;</span>,</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; SecondsToXmlDuration(GetStaticMpdDuration()));</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;}</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160;<span class="keywordtype">bool</span> MpdBuilder::AddDynamicMpdInfo(XmlNode* mpd_node) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; DCHECK(mpd_node);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; DCHECK_EQ(MpdType::kDynamic, mpd_options_.mpd_type);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDynamicMpdType[] = <span class="stringliteral">&quot;dynamic&quot;</span>;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; RCHECK(mpd_node-&gt;SetStringAttribute(<span class="stringliteral">&quot;type&quot;</span>, kDynamicMpdType));</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <span class="comment">// No offset from NOW.</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; RCHECK(mpd_node-&gt;SetStringAttribute(</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="stringliteral">&quot;publishTime&quot;</span>, XmlDateTimeNowWithOffset(0, clock_.get())));</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="comment">// &#39;availabilityStartTime&#39; is required for dynamic profile. Calculate if</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="comment">// not already calculated.</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">if</span> (availability_start_time_.empty()) {</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keywordtype">double</span> earliest_presentation_time;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="keywordflow">if</span> (GetEarliestTimestamp(&amp;earliest_presentation_time)) {</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; availability_start_time_ = XmlDateTimeNowWithOffset(</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; -std::ceil(earliest_presentation_time), clock_.get());</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Could not determine the earliest segment presentation &quot;</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="stringliteral">&quot;time for availabilityStartTime calculation.&quot;</span>;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="comment">// TODO(tinskip). Propagate an error.</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; }</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordflow">if</span> (!availability_start_time_.empty()) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; RCHECK(mpd_node-&gt;SetStringAttribute(<span class="stringliteral">&quot;availabilityStartTime&quot;</span>,</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; availability_start_time_));</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keywordflow">if</span> (Positive(mpd_options_.mpd_params.<a class="code" href="../../df/ddc/structshaka_1_1MpdParams.html#a4a5dafe570fd7e35749ce12d83ca9559">minimum_update_period</a>)) {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; RCHECK(mpd_node-&gt;SetStringAttribute(</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="stringliteral">&quot;minimumUpdatePeriod&quot;</span>,</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; SecondsToXmlDuration(mpd_options_.mpd_params.<a class="code" href="../../df/ddc/structshaka_1_1MpdParams.html#a4a5dafe570fd7e35749ce12d83ca9559">minimum_update_period</a>)));</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;The profile is dynamic but no minimumUpdatePeriod &quot;</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <span class="stringliteral">&quot;specified.&quot;</span>;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; }</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="keywordflow">return</span> SetIfPositive(<span class="stringliteral">&quot;timeShiftBufferDepth&quot;</span>,</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; mpd_options_.mpd_params.<a class="code" href="../../df/ddc/structshaka_1_1MpdParams.html#a95e4824708c8de4b882b86772f680032">time_shift_buffer_depth</a>,</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; mpd_node) &amp;&amp;</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; SetIfPositive(<span class="stringliteral">&quot;suggestedPresentationDelay&quot;</span>,</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; mpd_options_.mpd_params.suggested_presentation_delay,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; mpd_node);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160;}</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160;<span class="keywordtype">bool</span> MpdBuilder::AddUtcTiming(XmlNode* mpd_node) {</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; DCHECK(mpd_node);</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; DCHECK_EQ(MpdType::kDynamic, mpd_options_.mpd_type);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; </div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> MpdParams::UtcTiming&amp; utc_timing :</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; mpd_options_.mpd_params.utc_timings) {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; XmlNode utc_timing_node(<span class="stringliteral">&quot;UTCTiming&quot;</span>);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; RCHECK(utc_timing_node.SetStringAttribute(<span class="stringliteral">&quot;schemeIdUri&quot;</span>,</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; utc_timing.scheme_id_uri));</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; RCHECK(utc_timing_node.SetStringAttribute(<span class="stringliteral">&quot;value&quot;</span>, utc_timing.value));</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; RCHECK(mpd_node-&gt;AddChild(std::move(utc_timing_node)));</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160;}</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; </div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;<span class="keywordtype">float</span> MpdBuilder::GetStaticMpdDuration() {</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; DCHECK_EQ(MpdType::kStatic, mpd_options_.mpd_type);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="keywordtype">float</span> total_duration = 0.0f;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; period : periods_) {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; total_duration += period-&gt;duration_seconds();</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; <span class="keywordflow">return</span> total_duration;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160;}</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160;<span class="keywordtype">bool</span> MpdBuilder::GetEarliestTimestamp(<span class="keywordtype">double</span>* timestamp_seconds) {</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; DCHECK(timestamp_seconds);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; DCHECK(!periods_.empty());</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; <span class="keywordtype">double</span> timestamp = 0;</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="keywordtype">double</span> earliest_timestamp = -1;</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="comment">// TODO(kqyang): This is used to set availabilityStartTime. We may consider</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="comment">// set presentationTimeOffset in the Representations then we can set</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="comment">// availabilityStartTime to the time when MPD is first generated.</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="comment">// The first period should have the earliest timestamp.</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>* adaptation_set : periods_.front()-&gt;GetAdaptationSets()) {</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>* representation : adaptation_set-&gt;GetRepresentations()) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; <span class="keywordflow">if</span> (representation-&gt;GetStartAndEndTimestamps(&amp;timestamp, <span class="keyword">nullptr</span>) &amp;&amp;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; (earliest_timestamp &lt; 0 || timestamp &lt; earliest_timestamp)) {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; earliest_timestamp = timestamp;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; }</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; <span class="keywordflow">if</span> (earliest_timestamp &lt; 0)</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; *timestamp_seconds = earliest_timestamp;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;}</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160;<span class="keywordtype">void</span> MpdBuilder::UpdatePeriodDurationAndPresentationTimestamp() {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; DCHECK_EQ(MpdType::kStatic, mpd_options_.mpd_type);</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; period : periods_) {</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; std::list&lt;Representation*&gt; video_representations;</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; std::list&lt;Representation*&gt; non_video_representations;</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; adaptation_set : period-&gt;GetAdaptationSets()) {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span>&amp; representations = adaptation_set-&gt;GetRepresentations();</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="keywordflow">if</span> (adaptation_set-&gt;IsVideo()) {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; video_representations.insert(video_representations.end(),</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; representations.begin(),</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; representations.end());</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; non_video_representations.insert(non_video_representations.end(),</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; representations.begin(),</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; representations.end());</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; }</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; }</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; </div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; base::Optional&lt;double&gt; earliest_start_time;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; base::Optional&lt;double&gt; latest_end_time;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; <span class="comment">// The timestamps are based on Video Representations if exist.</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="keyword">const</span> <span class="keyword">auto</span>&amp; representations = video_representations.size() &gt; 0</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; ? video_representations</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; : non_video_representations;</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; representation : representations) {</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <span class="keywordtype">double</span> start_time = 0;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keywordtype">double</span> end_time = 0;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="keywordflow">if</span> (representation-&gt;GetStartAndEndTimestamps(&amp;start_time, &amp;end_time)) {</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; earliest_start_time =</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; std::min(earliest_start_time.value_or(start_time), start_time);</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; latest_end_time =</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; std::max(latest_end_time.value_or(end_time), end_time);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; }</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; }</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="keywordflow">if</span> (!earliest_start_time)</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; </div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; period-&gt;set_duration_seconds(*latest_end_time - *earliest_start_time);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="keywordtype">double</span> presentation_time_offset = *earliest_start_time;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; adaptation_set : period-&gt;GetAdaptationSets()) {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; representation : adaptation_set-&gt;GetRepresentations()) {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; representation-&gt;SetPresentationTimeOffset(presentation_time_offset);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; }</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; }</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; }</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;}</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; </div>
<div class="line"><a name="l00415"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a247a9c807274d4e707530f24e2d207f9"> 415</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a247a9c807274d4e707530f24e2d207f9">MpdBuilder::MakePathsRelativeToMpd</a>(<span class="keyword">const</span> std::string&amp; mpd_path,</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; MediaInfo* media_info) {</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; DCHECK(media_info);</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keyword">const</span> std::string kFileProtocol(<span class="stringliteral">&quot;file://&quot;</span>);</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; std::string mpd_file_path = (mpd_path.find(kFileProtocol) == 0)</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; ? mpd_path.substr(kFileProtocol.size())</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; : mpd_path;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; </div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; <span class="keywordflow">if</span> (!mpd_file_path.empty()) {</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; <span class="keyword">const</span> FilePath mpd_dir(FilePath::FromUTF8Unsafe(mpd_file_path)</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; .DirName()</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; .AsEndingWithSeparator());</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">if</span> (!mpd_dir.empty()) {</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="keywordflow">if</span> (media_info-&gt;has_media_file_name()) {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; media_info-&gt;set_media_file_url(</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; MakePathRelative(media_info-&gt;media_file_name(), mpd_dir));</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; <span class="keywordflow">if</span> (media_info-&gt;has_init_segment_name()) {</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; media_info-&gt;set_init_segment_url(</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; MakePathRelative(media_info-&gt;init_segment_name(), mpd_dir));</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; }</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; <span class="keywordflow">if</span> (media_info-&gt;has_segment_template()) {</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; media_info-&gt;set_segment_template_url(</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; MakePathRelative(media_info-&gt;segment_template(), mpd_dir));</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160; }</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; }</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; }</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160;}</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160;} <span class="comment">// namespace shaka</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructshaka_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="aclassshaka_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#l00026">period.h:26</a></div></div>
<div class="ttc" id="astructshaka_1_1MpdParams_html_aee1510b64b9acbc17b8bfccac2e132a3"><div class="ttname"><a href="../../df/ddc/structshaka_1_1MpdParams.html#aee1510b64b9acbc17b8bfccac2e132a3">shaka::MpdParams::min_buffer_time</a></div><div class="ttdeci">double min_buffer_time</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d07/mpd__params_8h_source.html#l00027">mpd_params.h:27</a></div></div>
<div class="ttc" id="aclassshaka_1_1MpdBuilder_html_ae03eb3ac55f8b1360a57a1af16f593e6"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#ae03eb3ac55f8b1360a57a1af16f593e6">shaka::MpdBuilder::GetOrCreatePeriod</a></div><div class="ttdeci">virtual Period * GetOrCreatePeriod(double start_time_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00145">mpd_builder.cc:145</a></div></div>
<div class="ttc" id="aclassshaka_1_1MpdBuilder_html_ab6fd968035d1cba5060fe23a107f8bdb"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab6fd968035d1cba5060fe23a107f8bdb">shaka::MpdBuilder::AddBaseUrl</a></div><div class="ttdeci">void AddBaseUrl(const std::string &amp;base_url)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00141">mpd_builder.cc:141</a></div></div>
<div class="ttc" id="aclassshaka_1_1MpdBuilder_html_a247a9c807274d4e707530f24e2d207f9"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#a247a9c807274d4e707530f24e2d207f9">shaka::MpdBuilder::MakePathsRelativeToMpd</a></div><div class="ttdeci">static void MakePathsRelativeToMpd(const std::string &amp;mpd_path, MediaInfo *media_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00415">mpd_builder.cc:415</a></div></div>
<div class="ttc" id="anamespaceshaka_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="aclassshaka_1_1MpdBuilder_html_ab364102e01afedd8a4dcc9be4fdcc0ab"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab364102e01afedd8a4dcc9be4fdcc0ab">shaka::MpdBuilder::MpdBuilder</a></div><div class="ttdeci">MpdBuilder(const MpdOptions &amp;mpd_options)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00136">mpd_builder.cc:136</a></div></div>
<div class="ttc" id="aclassshaka_1_1MpdBuilder_html_a058a7c0bde155071773bcfaa5f0f5b3b"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#a058a7c0bde155071773bcfaa5f0f5b3b">shaka::MpdBuilder::ToString</a></div><div class="ttdeci">virtual bool ToString(std::string *output) WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00159">mpd_builder.cc:159</a></div></div>
<div class="ttc" id="aclassshaka_1_1xml_1_1XmlNode_html"><div class="ttname"><a href="../../d1/d31/classshaka_1_1xml_1_1XmlNode.html">shaka::xml::XmlNode</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/de7/xml__node_8h_source.html#l00044">xml_node.h:44</a></div></div>
<div class="ttc" id="astructshaka_1_1MpdParams_html_a4a5dafe570fd7e35749ce12d83ca9559"><div class="ttname"><a href="../../df/ddc/structshaka_1_1MpdParams.html#a4a5dafe570fd7e35749ce12d83ca9559">shaka::MpdParams::minimum_update_period</a></div><div class="ttdeci">double minimum_update_period</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d07/mpd__params_8h_source.html#l00030">mpd_params.h:30</a></div></div>
<div class="ttc" id="astructshaka_1_1MpdParams_html_a95e4824708c8de4b882b86772f680032"><div class="ttname"><a href="../../df/ddc/structshaka_1_1MpdParams.html#a95e4824708c8de4b882b86772f680032">shaka::MpdParams::time_shift_buffer_depth</a></div><div class="ttdeci">double time_shift_buffer_depth</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d07/mpd__params_8h_source.html#l00039">mpd_params.h:39</a></div></div>
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