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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/util/mpd_writer.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;gflags/gflags.h&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;google/protobuf/text_format.h&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/base/files/file_path.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/base/files/file_util.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/file/file.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/mpd/base/dash_iop_mpd_notifier.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/mpd_builder.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/mpd_notifier.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/mpd_utils.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/simple_mpd_notifier.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;DEFINE_bool(generate_dash_if_iop_compliant_mpd,</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="stringliteral">&quot;Try to generate DASH-IF IOPv3 compliant MPD. This is best effort &quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="stringliteral">&quot;and does not guarantee compliance. Off by default until players &quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="stringliteral">&quot;support IOP MPDs.&quot;</span>);</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">namespace </span>shaka {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// Factory that creates DashIopMpdNotifier instances.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">class </span>DashIopMpdNotifierFactory : <span class="keyword">public</span> MpdNotifierFactory {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; DashIopMpdNotifierFactory() {}</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; ~DashIopMpdNotifierFactory()<span class="keyword"> override </span>{}</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; std::unique_ptr&lt;MpdNotifier&gt; Create(DashProfile dash_profile,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">const</span> MpdOptions&amp; mpd_options,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; base_urls,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="keyword">const</span> std::string&amp; output_path)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;MpdNotifier&gt;(<span class="keyword">new</span> DashIopMpdNotifier(</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; dash_profile, mpd_options, base_urls, output_path));</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;};</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// Factory that creates SimpleMpdNotifier instances.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">class </span>SimpleMpdNotifierFactory : <span class="keyword">public</span> MpdNotifierFactory {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; SimpleMpdNotifierFactory() {}</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; ~SimpleMpdNotifierFactory()<span class="keyword"> override </span>{}</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; std::unique_ptr&lt;MpdNotifier&gt; Create(DashProfile dash_profile,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keyword">const</span> MpdOptions&amp; mpd_options,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keyword">const</span> std::vector&lt;std::string&gt;&amp; base_urls,</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keyword">const</span> std::string&amp; output_path)<span class="keyword"> override </span>{</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> std::unique_ptr&lt;MpdNotifier&gt;(<span class="keyword">new</span> SimpleMpdNotifier(</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; dash_profile, mpd_options, base_urls, output_path));</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;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;MpdWriter::MpdWriter()</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; : notifier_factory_(FLAGS_generate_dash_if_iop_compliant_mpd</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; ? static_cast&lt;MpdNotifierFactory*&gt;(</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; new DashIopMpdNotifierFactory())</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; : static_cast&lt;MpdNotifierFactory*&gt;(</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; new SimpleMpdNotifierFactory())) {}</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;MpdWriter::~MpdWriter() {}</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> MpdWriter::AddFile(<span class="keyword">const</span> std::string&amp; media_info_path,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">const</span> std::string&amp; mpd_path) {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; std::string file_content;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d3/d61/classshaka_1_1media_1_1File.html#a622dbc8abacebb40b816aa0174ba7c60">media::File::ReadFileToString</a>(media_info_path.c_str(),</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; &amp;file_content)) {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Failed to read &quot;</span> &lt;&lt; media_info_path &lt;&lt; <span class="stringliteral">&quot; to string.&quot;</span>;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</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; MediaInfo media_info;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">if</span> (!::google::protobuf::TextFormat::ParseFromString(file_content,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; &amp;media_info)) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Failed to parse &quot;</span> &lt;&lt; file_content &lt;&lt; <span class="stringliteral">&quot; to MediaInfo.&quot;</span>;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</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; <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a247a9c807274d4e707530f24e2d207f9">MpdBuilder::MakePathsRelativeToMpd</a>(mpd_path, &amp;media_info);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; media_infos_.push_back(media_info);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</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;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="keywordtype">void</span> MpdWriter::AddBaseUrl(<span class="keyword">const</span> std::string&amp; base_url) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; base_urls_.push_back(base_url);</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;<span class="keywordtype">bool</span> MpdWriter::WriteMpdToFile(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; CHECK(file_name);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; std::unique_ptr&lt;MpdNotifier&gt; notifier = notifier_factory_-&gt;Create(</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; kOnDemandProfile, MpdOptions(), base_urls_, file_name);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">if</span> (!notifier-&gt;Init()) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;failed to initialize MpdNotifier.&quot;</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordflow">for</span> (std::list&lt;MediaInfo&gt;::const_iterator it = media_infos_.begin();</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; it != media_infos_.end();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; ++it) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; uint32_t unused_conatiner_id;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">if</span> (!notifier-&gt;NotifyNewContainer(*it, &amp;unused_conatiner_id)) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Failed to add MediaInfo for media file: &quot;</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; &lt;&lt; it-&gt;media_file_name();</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; }</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; <span class="keywordflow">if</span> (!notifier-&gt;Flush()) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Failed to flush MPD notifier.&quot;</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</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="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;}</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="keywordtype">void</span> MpdWriter::SetMpdNotifierFactoryForTest(</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; std::unique_ptr&lt;MpdNotifierFactory&gt; factory) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; notifier_factory_ = std::move(factory);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;}</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="ttc" id="classshaka_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#l00643">mpd_builder.cc:643</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1File_html_a622dbc8abacebb40b816aa0174ba7c60"><div class="ttname"><a href="../../d3/d61/classshaka_1_1media_1_1File.html#a622dbc8abacebb40b816aa0174ba7c60">shaka::media::File::ReadFileToString</a></div><div class="ttdeci">static bool ReadFileToString(const char *file_name, std::string *contents)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dfc/file_8cc_source.html#l00185">file.cc:185</a></div></div>
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