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<div class="title">mpd_writer.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Class for reading in MediaInfo from files and writing out an MPD.</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef MPD_UTIL_MPD_WRITER_H_</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor"></span><span class="preprocessor">#define MPD_UTIL_MPD_WRITER_H_</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <list></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "packager/base/macros.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/mpd/base/mpd_notifier.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/mpd/base/mpd_options.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">class </span>File;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span>MediaInfo;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="../../d4/db4/classshaka_1_1MpdNotifierFactory.html"> 32</a></span> <span class="keyword">class </span><a class="code" href="../../d4/db4/classshaka_1_1MpdNotifierFactory.html">MpdNotifierFactory</a> {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="../../d4/db4/classshaka_1_1MpdNotifierFactory.html">MpdNotifierFactory</a>() {}</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">virtual</span> ~<a class="code" href="../../d4/db4/classshaka_1_1MpdNotifierFactory.html">MpdNotifierFactory</a>() {}</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">virtual</span> std::unique_ptr<MpdNotifier> Create(</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  DashProfile dash_profile,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>& mpd_options,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> std::vector<std::string>& base_urls,</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">const</span> std::string& output_path) = 0;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> };</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">// An instance of this class takes a set of MediaInfo files and generates an</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// MPD when one of WriteMpd* methods are called. This generates an MPD with one</span></div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// <Period> element and at most three <AdaptationSet> elements, each for video,</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// audio, and text. Information in MediaInfo will be put into one of the</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// AdaptationSets by checking the video_info, audio_info, and text_info fields.</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// Therefore, this cannot handle an instance of MediaInfo with video, audio, and</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// text combination.</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="../../db/dcd/classshaka_1_1MpdWriter.html"> 51</a></span> <span class="keyword">class </span><a class="code" href="../../db/dcd/classshaka_1_1MpdWriter.html">MpdWriter</a> {</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../db/dcd/classshaka_1_1MpdWriter.html">MpdWriter</a>();</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  ~<a class="code" href="../../db/dcd/classshaka_1_1MpdWriter.html">MpdWriter</a>();</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// Add |media_info_path| for MPD generation.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// The content of |media_info_path| should be a string representation of</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// MediaInfo, i.e. the content should be a result of using</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// google::protobuf::TestFormat::Print*() methods.</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// If necessary, this method can be called after WriteMpd*() methods.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">bool</span> AddFile(<span class="keyword">const</span> std::string& media_info_path,</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> std::string& mpd_path);</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// |base_url| will be used for <BaseURL> element for the MPD. The BaseURL</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// element will be a direct child element of the <MPD> element.</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">void</span> AddBaseUrl(<span class="keyword">const</span> std::string& base_url);</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Write the MPD to |file_name|. |file_name| should not be NULL.</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// This opens the file in write mode, IOW if the</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// file exists this will over write whatever is in the file.</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// AddFile() should be called before calling this function to generate an MPD.</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// On success, the MPD gets written to |file| and returns true, otherwise</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// returns false.</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// This method can be called multiple times, if necessary.</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> WriteMpdToFile(<span class="keyword">const</span> <span class="keywordtype">char</span>* file_name);</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">friend</span> <span class="keyword">class </span>MpdWriterTest;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> SetMpdNotifierFactoryForTest(</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::unique_ptr<MpdNotifierFactory> factory);</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::list<MediaInfo> media_infos_;</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  std::vector<std::string> base_urls_;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::unique_ptr<MpdNotifierFactory> notifier_factory_;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../db/dcd/classshaka_1_1MpdWriter.html">MpdWriter</a>);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> };</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#endif // MPD_UTIL_MPD_WRITER_H_</span></div>
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<div class="ttc" id="classshaka_1_1MpdWriter_html"><div class="ttname"><a href="../../db/dcd/classshaka_1_1MpdWriter.html">shaka::MpdWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db0/mpd__writer_8h_source.html#l00051">mpd_writer.h:51</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdNotifierFactory_html"><div class="ttname"><a href="../../d4/db4/classshaka_1_1MpdNotifierFactory.html">shaka::MpdNotifierFactory</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/db0/mpd__writer_8h_source.html#l00032">mpd_writer.h:32</a></div></div>
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<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#l00015">mpd_options.h:15</a></div></div>
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