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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> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/mpd/base/mpd_builder.h"</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">#include <libxml/tree.h></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <libxml/xmlstring.h></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <iterator></span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <list></span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <string></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/base64.h"</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "packager/base/bind.h"</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "packager/base/files/file_path.h"</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "packager/base/memory/scoped_ptr.h"</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "packager/base/strings/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "packager/base/strings/stringprintf.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "packager/base/synchronization/lock.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "packager/base/time/default_clock.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "packager/base/time/time.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "packager/media/file/file.h"</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "packager/mpd/base/content_protection_element.h"</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "packager/mpd/base/language_utils.h"</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "packager/mpd/base/mpd_utils.h"</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "packager/mpd/base/xml/xml_node.h"</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "packager/version/version.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">using</span> base::FilePath;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">using</span> xml::XmlNode;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">using</span> xml::RepresentationXmlNode;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">using</span> xml::AdaptationSetXmlNode;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>{</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> <span class="keyword">const</span> <span class="keywordtype">int</span> kAdaptationSetGroupNotSet = -1;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> AdaptationSet::Role MediaInfoTextTypeToRole(</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  MediaInfo::TextInfo::TextType type) {</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">switch</span> (type) {</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">case</span> MediaInfo::TextInfo::UNKNOWN:</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  LOG(WARNING) << <span class="stringliteral">"Unknown text type, assuming subtitle."</span>;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> AdaptationSet::kRoleSubtitle;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">case</span> MediaInfo::TextInfo::CAPTION:</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> AdaptationSet::kRoleCaption;</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">case</span> MediaInfo::TextInfo::SUBTITLE:</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> AdaptationSet::kRoleSubtitle;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  NOTREACHED() << <span class="stringliteral">"Unknown MediaInfo TextType: "</span> << type</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  << <span class="stringliteral">" assuming subtitle."</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> AdaptationSet::kRoleSubtitle;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> std::string GetMimeType(<span class="keyword">const</span> std::string& prefix,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  MediaInfo::ContainerType container_type) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">switch</span> (container_type) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">case</span> MediaInfo::CONTAINER_MP4:</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> prefix + <span class="stringliteral">"/mp4"</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">case</span> MediaInfo::CONTAINER_MPEG2_TS:</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// NOTE: DASH MPD spec uses lowercase but RFC3555 says uppercase.</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> prefix + <span class="stringliteral">"/MP2T"</span>;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">case</span> MediaInfo::CONTAINER_WEBM:</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> prefix + <span class="stringliteral">"/webm"</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Unsupported container types should be rejected/handled by the caller.</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  LOG(ERROR) << <span class="stringliteral">"Unrecognized container type: "</span> << container_type;</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">return</span> std::string();</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> </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">void</span> AddMpdNameSpaceInfo(XmlNode* mpd) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  DCHECK(mpd);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespace[] = <span class="stringliteral">"urn:mpeg:dash:schema:mpd:2011"</span>;</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespaceXsi[] =</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="stringliteral">"http://www.w3.org/2001/XMLSchema-instance"</span>;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlNamespaceXlink[] = <span class="stringliteral">"http://www.w3.org/1999/xlink"</span>;</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDashSchemaMpd2011[] =</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="stringliteral">"urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd"</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kCencNamespace[] = <span class="stringliteral">"urn:mpeg:cenc:2013"</span>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  mpd->SetStringAttribute(<span class="stringliteral">"xmlns"</span>, kXmlNamespace);</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  mpd->SetStringAttribute(<span class="stringliteral">"xmlns:xsi"</span>, kXmlNamespaceXsi);</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  mpd->SetStringAttribute(<span class="stringliteral">"xmlns:xlink"</span>, kXmlNamespaceXlink);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  mpd->SetStringAttribute(<span class="stringliteral">"xsi:schemaLocation"</span>, kDashSchemaMpd2011);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  mpd->SetStringAttribute(<span class="stringliteral">"xmlns:cenc"</span>, kCencNamespace);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> }</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">bool</span> IsPeriodNode(xmlNodePtr node) {</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  DCHECK(node);</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> kEqual = 0;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> xmlStrcmp(node->name, reinterpret_cast<const xmlChar*>(<span class="stringliteral">"Period"</span>)) ==</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  kEqual;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Find the first <Period> element. This does not recurse down the tree,</span></div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment">// only checks direct children. Returns the pointer to Period element on</span></div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">// success, otherwise returns false.</span></div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">// As noted here, we must traverse.</span></div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment">// http://www.xmlsoft.org/tutorial/ar01s04.html</span></div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> xmlNodePtr FindPeriodNode(XmlNode* xml_node) {</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">for</span> (xmlNodePtr node = xml_node->GetRawPtr()->xmlChildrenNode; node != NULL;</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  node = node->next) {</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (IsPeriodNode(node))</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> node;</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> NULL;</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">bool</span> Positive(<span class="keywordtype">double</span> d) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> d > 0.0;</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Return current time in XML DateTime format. The value is in UTC, so the</span></div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">// string ends with a 'Z'.</span></div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> std::string XmlDateTimeNowWithOffset(</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  int32_t offset_seconds,</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  base::Clock* clock) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  base::Time time = clock->Now();</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  time += base::TimeDelta::FromSeconds(offset_seconds);</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  base::Time::Exploded time_exploded;</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  time.UTCExplode(&time_exploded);</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> base::StringPrintf(<span class="stringliteral">"%4d-%02d-%02dT%02d:%02d:%02dZ"</span>, time_exploded.year,</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  time_exploded.month, time_exploded.day_of_month,</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  time_exploded.hour, time_exploded.minute,</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  time_exploded.second);</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keywordtype">void</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="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (Positive(value)) {</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  mpd->SetStringAttribute(attr_name, SecondsToXmlDuration(value));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> uint32_t GetTimeScale(<span class="keyword">const</span> MediaInfo& media_info) {</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (media_info.has_reference_time_scale()) {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> media_info.reference_time_scale();</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (media_info.has_video_info()) {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> media_info.video_info().time_scale();</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">if</span> (media_info.has_audio_info()) {</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> media_info.audio_info().time_scale();</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  LOG(WARNING) << <span class="stringliteral">"No timescale specified, using 1 as timescale."</span>;</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> 1;</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> uint64_t LastSegmentStartTime(<span class="keyword">const</span> SegmentInfo& segment_info) {</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> segment_info.start_time + segment_info.duration * segment_info.repeat;</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// This is equal to |segment_info| end time</span></div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> uint64_t LastSegmentEndTime(<span class="keyword">const</span> SegmentInfo& segment_info) {</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> segment_info.start_time +</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  segment_info.duration * (segment_info.repeat + 1);</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> }</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> uint64_t LatestSegmentStartTime(<span class="keyword">const</span> std::list<SegmentInfo>& segments) {</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  DCHECK(!segments.empty());</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> SegmentInfo& latest_segment = segments.back();</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> LastSegmentStartTime(latest_segment);</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">// Given |timeshift_limit|, finds out the number of segments that are no longer</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// valid and should be removed from |segment_info|.</span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keywordtype">int</span> SearchTimedOutRepeatIndex(uint64_t timeshift_limit,</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> SegmentInfo& segment_info) {</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  DCHECK_LE(timeshift_limit, LastSegmentEndTime(segment_info));</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (timeshift_limit < segment_info.start_time)</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> (timeshift_limit - segment_info.start_time) / segment_info.duration;</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> }</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">// Overload this function to support different types of |output|.</span></div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment">// Note that this could be done by call MpdBuilder::ToString() and use the</span></div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// result to write to a file, it requires an extra copy.</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">bool</span> WriteXmlCharArrayToOutput(xmlChar* doc,</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">int</span> doc_size,</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  std::string* output) {</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  DCHECK(doc);</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  DCHECK(output);</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  output->assign(doc, doc + doc_size);</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keywordtype">bool</span> WriteXmlCharArrayToOutput(xmlChar* doc,</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">int</span> doc_size,</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  media::File* output) {</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  DCHECK(doc);</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  DCHECK(output);</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (output->Write(doc, doc_size) < doc_size)</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> output->Flush();</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> std::string MakePathRelative(<span class="keyword">const</span> std::string& path,</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">const</span> std::string& mpd_dir) {</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> (path.find(mpd_dir) == 0) ? path.substr(mpd_dir.size()) : path;</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> }</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// Check whether the video info has width and height.</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment">// DASH IOP also requires several other fields for video representations, namely</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">// width, height, framerate, and sar.</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">bool</span> HasRequiredVideoFields(<span class="keyword">const</span> MediaInfo_VideoInfo& video_info) {</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (!video_info.has_height() || !video_info.has_width()) {</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  LOG(ERROR)</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  << <span class="stringliteral">"Width and height are required fields for generating a valid MPD."</span>;</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// These fields are not required for a valid MPD, but required for DASH IOP</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// compliant MPD. MpdBuilder can keep generating MPDs without these fields.</span></div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  LOG_IF(WARNING, !video_info.has_time_scale())</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  << <span class="stringliteral">"Video info does not contain timescale required for "</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">"calculating framerate. @frameRate is required for DASH IOP."</span>;</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  LOG_IF(WARNING, !video_info.has_frame_duration())</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  << <span class="stringliteral">"Video info does not contain frame duration required "</span></div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="stringliteral">"for calculating framerate. @frameRate is required for DASH IOP."</span>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  LOG_IF(WARNING, !video_info.has_pixel_width())</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  << <span class="stringliteral">"Video info does not contain pixel_width to calculate the sample "</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="stringliteral">"aspect ratio required for DASH IOP."</span>;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  LOG_IF(WARNING, !video_info.has_pixel_height())</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  << <span class="stringliteral">"Video info does not contain pixel_height to calculate the sample "</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="stringliteral">"aspect ratio required for DASH IOP."</span>;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> }</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">// Returns the picture aspect ratio string e.g. "16:9", "4:3".</span></div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment">// "Reducing the quotient to minimal form" does not work well in practice as</span></div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment">// there may be some rounding performed in the input, e.g. the resolution of</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment">// 480p is 854:480 for 16:9 aspect ratio, can only be reduced to 427:240.</span></div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">// The algorithm finds out the pair of integers, num and den, where num / den is</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// the closest ratio to scaled_width / scaled_height, by looping den through</span></div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment">// common values.</span></div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> std::string GetPictureAspectRatio(uint32_t width,</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  uint32_t height,</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  uint32_t pixel_width,</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  uint32_t pixel_height) {</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">const</span> uint32_t scaled_width = pixel_width * width;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> uint32_t scaled_height = pixel_height * height;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> par = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(scaled_width) / scaled_height;</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">// Typical aspect ratios have par_y less than or equal to 19:</span></div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// https://en.wikipedia.org/wiki/List_of_common_resolutions</span></div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">const</span> uint32_t kLargestPossibleParY = 19;</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  uint32_t par_num = 0;</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  uint32_t par_den = 0;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordtype">double</span> min_error = 1.0;</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">for</span> (uint32_t den = 1; den <= kLargestPossibleParY; ++den) {</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  uint32_t num = par * den + 0.5;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">double</span> error = fabs(par - static_cast<double>(num) / den);</div>
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|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (error < min_error) {</div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  min_error = error;</div>
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|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  par_num = num;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  par_den = den;</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (error == 0) <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  }</div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  VLOG(2) << <span class="stringliteral">"width*pix_width : height*pixel_height ("</span> << scaled_width << <span class="stringliteral">":"</span></div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  << scaled_height << <span class="stringliteral">") reduced to "</span> << par_num << <span class="stringliteral">":"</span> << par_den</div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  << <span class="stringliteral">" with error "</span> << min_error << <span class="stringliteral">"."</span>;</div>
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|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
|
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<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> base::IntToString(par_num) + <span class="stringliteral">":"</span> + base::IntToString(par_den);</div>
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|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> }</div>
|
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<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment">// Adds an entry to picture_aspect_ratio if the size of picture_aspect_ratio is</span></div>
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|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment">// less than 2 and video_info has both pixel width and pixel height.</span></div>
|
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="keywordtype">void</span> AddPictureAspectRatio(</div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">const</span> MediaInfo::VideoInfo& video_info,</div>
|
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  std::set<std::string>* picture_aspect_ratio) {</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">// If there are more than one entries in picture_aspect_ratio, the @par</span></div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="comment">// attribute cannot be set, so skip.</span></div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (picture_aspect_ratio->size() > 1)</div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (video_info.width() == 0 || video_info.height() == 0 ||</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  video_info.pixel_width() == 0 || video_info.pixel_height() == 0) {</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// If there is even one Representation without a @sar attribute, @par cannot</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// be calculated.</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// Just populate the set with at least 2 bogus strings so that further call</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// to this function will bail out immediately.</span></div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  picture_aspect_ratio->insert(<span class="stringliteral">"bogus"</span>);</div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  picture_aspect_ratio->insert(<span class="stringliteral">"entries"</span>);</div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">const</span> std::string par = GetPictureAspectRatio(</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  video_info.width(), video_info.height(),</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  video_info.pixel_width(), video_info.pixel_height());</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  DVLOG(1) << <span class="stringliteral">"Setting par as: "</span> << par</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  << <span class="stringliteral">" for video with width: "</span> << video_info.width()</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  << <span class="stringliteral">" height: "</span> << video_info.height()</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  << <span class="stringliteral">" pixel_width: "</span> << video_info.pixel_width() << <span class="stringliteral">" pixel_height; "</span></div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  << video_info.pixel_height();</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  picture_aspect_ratio->insert(par);</div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> }</div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> std::string RoleToText(AdaptationSet::Role role) {</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// Using switch so that the compiler can detect whether there is a case that's</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="comment">// not being handled.</span></div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">switch</span> (role) {</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleCaption:</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">return</span> <span class="stringliteral">"caption"</span>;</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleSubtitle:</div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span> <span class="stringliteral">"subtitle"</span>;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleMain:</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> <span class="stringliteral">"main"</span>;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleAlternate:</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> <span class="stringliteral">"alternate"</span>;</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleSupplementary:</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">return</span> <span class="stringliteral">"supplementary"</span>;</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleCommentary:</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">return</span> <span class="stringliteral">"commentary"</span>;</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">case</span> AdaptationSet::kRoleDub:</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> <span class="stringliteral">"dub"</span>;</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> </div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  NOTREACHED();</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// Spooky static initialization/cleanup of libxml.</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">class </span>LibXmlInitializer {</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  LibXmlInitializer() : initialized_(false) {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  base::AutoLock lock(lock_);</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (!initialized_) {</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  xmlInitParser();</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  initialized_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  ~LibXmlInitializer() {</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  base::AutoLock lock(lock_);</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (initialized_) {</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  xmlCleanupParser();</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  initialized_ = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  base::Lock lock_;</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordtype">bool</span> initialized_;</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  DISALLOW_COPY_AND_ASSIGN(LibXmlInitializer);</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> };</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> </div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="keyword">class </span>RepresentationStateChangeListenerImpl</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  : <span class="keyword">public</span> RepresentationStateChangeListener {</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">public</span>:</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// |adaptation_set| is not owned by this class.</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  RepresentationStateChangeListenerImpl(uint32_t representation_id,</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  AdaptationSet* adaptation_set)</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  : representation_id_(representation_id), adaptation_set_(adaptation_set) {</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  DCHECK(adaptation_set_);</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  ~RepresentationStateChangeListenerImpl()<span class="keyword"> override </span>{}</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// RepresentationStateChangeListener implementation.</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordtype">void</span> OnNewSegmentForRepresentation(uint64_t start_time,</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  uint64_t duration)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  adaptation_set_->OnNewSegmentForRepresentation(representation_id_,</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  start_time, duration);</div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordtype">void</span> OnSetFrameRateForRepresentation(uint32_t frame_duration,</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  uint32_t timescale)<span class="keyword"> override </span>{</div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  adaptation_set_->OnSetFrameRateForRepresentation(representation_id_,</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  frame_duration, timescale);</div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">private</span>:</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> uint32_t representation_id_;</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  AdaptationSet* <span class="keyword">const</span> adaptation_set_;</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  DISALLOW_COPY_AND_ASSIGN(RepresentationStateChangeListenerImpl);</div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> };</div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad22c1e62affefcb33382c9480820c032"> 401</a></span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad22c1e62affefcb33382c9480820c032">MpdBuilder::MpdBuilder</a>(MpdType type, <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>& mpd_options)</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  : type_(type),</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  mpd_options_(mpd_options),</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  adaptation_sets_deleter_(&adaptation_sets_),</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  clock_(new base::DefaultClock()) {}</div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> MpdBuilder::~MpdBuilder() {}</div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ab6fd968035d1cba5060fe23a107f8bdb"> 409</a></span> <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& base_url) {</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  base_urls_.push_back(base_url);</div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> }</div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad32d4f20e6325b20267a2e905e1ec243"> 413</a></span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>* <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad32d4f20e6325b20267a2e905e1ec243">MpdBuilder::AddAdaptationSet</a>(<span class="keyword">const</span> std::string& lang) {</div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  scoped_ptr<AdaptationSet> adaptation_set(</div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">new</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html">AdaptationSet</a>(adaptation_set_counter_.GetNext(), lang, mpd_options_,</div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  type_, &representation_counter_));</div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  DCHECK(adaptation_set);</div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  adaptation_sets_.push_back(adaptation_set.get());</div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> adaptation_set.release();</div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> }</div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div>
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<div class="line"><a name="l00423"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a35685a28f837c397e1f862d44b2205d9"> 423</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a35685a28f837c397e1f862d44b2205d9">MpdBuilder::WriteMpdToFile</a>(<a class="code" href="../../d3/d61/classshaka_1_1media_1_1File.html">media::File</a>* output_file) {</div>
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|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  DCHECK(output_file);</div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">return</span> WriteMpdToOutput(output_file);</div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> }</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div>
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<div class="line"><a name="l00428"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#af7eae5cc11141eed2b5451d969e57db6"> 428</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../dc/da1/classshaka_1_1MpdBuilder.html#af7eae5cc11141eed2b5451d969e57db6">MpdBuilder::ToString</a>(std::string* output) {</div>
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|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  DCHECK(output);</div>
|
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">return</span> WriteMpdToOutput(output);</div>
|
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> }</div>
|
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="keyword">template</span> <<span class="keyword">typename</span> OutputType></div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="keywordtype">bool</span> MpdBuilder::WriteMpdToOutput(OutputType* output) {</div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keyword">static</span> LibXmlInitializer lib_xml_initializer;</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  xml::scoped_xml_ptr<xmlDoc> doc(GenerateMpd());</div>
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|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (!doc.get())</div>
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<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> </div>
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<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> kNiceFormat = 1;</div>
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<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordtype">int</span> doc_str_size = 0;</div>
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<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  xmlChar* doc_str = NULL;</div>
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<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  xmlDocDumpFormatMemoryEnc(doc.get(), &doc_str, &doc_str_size, <span class="stringliteral">"UTF-8"</span>,</div>
|
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  kNiceFormat);</div>
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<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div>
|
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<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordtype">bool</span> result = WriteXmlCharArrayToOutput(doc_str, doc_str_size, output);</div>
|
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<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  xmlFree(doc_str);</div>
|
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> </div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">// Cleanup, free the doc.</span></div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  doc.reset();</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> result;</div>
|
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<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> }</div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> xmlDocPtr MpdBuilder::GenerateMpd() {</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="comment">// Setup nodes.</span></div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kXmlVersion[] = <span class="stringliteral">"1.0"</span>;</div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  xml::scoped_xml_ptr<xmlDoc> doc(xmlNewDoc(BAD_CAST kXmlVersion));</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  XmlNode mpd(<span class="stringliteral">"MPD"</span>);</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> </div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">// Iterate thru AdaptationSets and add them to one big Period element.</span></div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  XmlNode period(<span class="stringliteral">"Period"</span>);</div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">// Always set id=0 for now. Since this class can only generate one Period</span></div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="comment">// at the moment, just use a constant.</span></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// Required for 'dynamic' MPDs.</span></div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  period.SetId(0);</div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  std::list<AdaptationSet*>::iterator adaptation_sets_it =</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  adaptation_sets_.begin();</div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">for</span> (; adaptation_sets_it != adaptation_sets_.end(); ++adaptation_sets_it) {</div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  xml::scoped_xml_ptr<xmlNode> child((*adaptation_sets_it)->GetXml());</div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordflow">if</span> (!child.get() || !period.AddChild(child.Pass()))</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> NULL;</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> </div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// Add baseurls to MPD.</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  std::list<std::string>::const_iterator base_urls_it = base_urls_.begin();</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">for</span> (; base_urls_it != base_urls_.end(); ++base_urls_it) {</div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  XmlNode base_url(<span class="stringliteral">"BaseURL"</span>);</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  base_url.SetContent(*base_urls_it);</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (!mpd.AddChild(base_url.PassScopedPtr()))</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">return</span> NULL;</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  }</div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span> </div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> (type_ == kDynamic) {</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="comment">// This is the only Period and it is a regular period.</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  period.SetStringAttribute(<span class="stringliteral">"start"</span>, <span class="stringliteral">"PT0S"</span>);</div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> </div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">if</span> (!mpd.AddChild(period.PassScopedPtr()))</div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">return</span> NULL;</div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  AddMpdNameSpaceInfo(&mpd);</div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  AddCommonMpdInfo(&mpd);</div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">switch</span> (type_) {</div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">case</span> kStatic:</div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  AddStaticMpdInfo(&mpd);</div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">case</span> kDynamic:</div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  AddDynamicMpdInfo(&mpd);</div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  NOTREACHED() << <span class="stringliteral">"Unknown MPD type: "</span> << type_;</div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  DCHECK(doc);</div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">const</span> std::string version = GetPackagerVersion();</div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span> (!version.empty()) {</div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  std::string version_string =</div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  base::StringPrintf(<span class="stringliteral">"Generated with %s version %s"</span>,</div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  GetPackagerProjectUrl().c_str(), version.c_str());</div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  xml::scoped_xml_ptr<xmlNode> comment(</div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  xmlNewDocComment(doc.get(), BAD_CAST version_string.c_str()));</div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  xmlDocSetRootElement(doc.get(), comment.get());</div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  xmlAddSibling(comment.release(), mpd.Release());</div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  xmlDocSetRootElement(doc.get(), mpd.Release());</div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">return</span> doc.release();</div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> }</div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> </div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="keywordtype">void</span> MpdBuilder::AddCommonMpdInfo(XmlNode* mpd_node) {</div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">if</span> (Positive(mpd_options_.min_buffer_time)) {</div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  mpd_node->SetStringAttribute(</div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="stringliteral">"minBufferTime"</span>, SecondsToXmlDuration(mpd_options_.min_buffer_time));</div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  LOG(ERROR) << <span class="stringliteral">"minBufferTime value not specified."</span>;</div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">// TODO(tinskip): Propagate error.</span></div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> }</div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span> </div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="keywordtype">void</span> MpdBuilder::AddStaticMpdInfo(XmlNode* mpd_node) {</div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  DCHECK(mpd_node);</div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  DCHECK_EQ(MpdBuilder::kStatic, type_);</div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> </div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kStaticMpdType[] = <span class="stringliteral">"static"</span>;</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kStaticMpdProfile[] =</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="stringliteral">"urn:mpeg:dash:profile:isoff-on-demand:2011"</span>;</div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"type"</span>, kStaticMpdType);</div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"profiles"</span>, kStaticMpdProfile);</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  mpd_node->SetStringAttribute(</div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="stringliteral">"mediaPresentationDuration"</span>,</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  SecondsToXmlDuration(GetStaticMpdDuration(mpd_node)));</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> }</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> <span class="keywordtype">void</span> MpdBuilder::AddDynamicMpdInfo(XmlNode* mpd_node) {</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  DCHECK(mpd_node);</div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  DCHECK_EQ(MpdBuilder::kDynamic, type_);</div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDynamicMpdType[] = <span class="stringliteral">"dynamic"</span>;</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> kDynamicMpdProfile[] =</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="stringliteral">"urn:mpeg:dash:profile:isoff-live:2011"</span>;</div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"type"</span>, kDynamicMpdType);</div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"profiles"</span>, kDynamicMpdProfile);</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> </div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">// No offset from NOW.</span></div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"publishTime"</span>,</div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  XmlDateTimeNowWithOffset(0, clock_.get()));</div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> </div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// 'availabilityStartTime' is required for dynamic profile. Calculate if</span></div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">// not already calculated.</span></div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">if</span> (availability_start_time_.empty()) {</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordtype">double</span> earliest_presentation_time;</div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> (GetEarliestTimestamp(&earliest_presentation_time)) {</div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  availability_start_time_ =</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  XmlDateTimeNowWithOffset(mpd_options_.availability_time_offset -</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  std::ceil(earliest_presentation_time),</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  clock_.get());</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  LOG(ERROR) << <span class="stringliteral">"Could not determine the earliest segment presentation "</span></div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="stringliteral">"time for availabilityStartTime calculation."</span>;</div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">// TODO(tinskip). Propagate an error.</span></div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  }</div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">if</span> (!availability_start_time_.empty())</div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  mpd_node->SetStringAttribute(<span class="stringliteral">"availabilityStartTime"</span>,</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  availability_start_time_);</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> </div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="keywordflow">if</span> (Positive(mpd_options_.minimum_update_period)) {</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  mpd_node->SetStringAttribute(</div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="stringliteral">"minimumUpdatePeriod"</span>,</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  SecondsToXmlDuration(mpd_options_.minimum_update_period));</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  LOG(WARNING) << <span class="stringliteral">"The profile is dynamic but no minimumUpdatePeriod "</span></div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="stringliteral">"specified."</span>;</div>
|
|
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  }</div>
|
|
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> </div>
|
|
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  SetIfPositive(<span class="stringliteral">"timeShiftBufferDepth"</span>, mpd_options_.time_shift_buffer_depth,</div>
|
|
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  mpd_node);</div>
|
|
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  SetIfPositive(<span class="stringliteral">"suggestedPresentationDelay"</span>,</div>
|
|
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  mpd_options_.suggested_presentation_delay, mpd_node);</div>
|
|
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> }</div>
|
|
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> </div>
|
|
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="keywordtype">float</span> MpdBuilder::GetStaticMpdDuration(XmlNode* mpd_node) {</div>
|
|
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  DCHECK(mpd_node);</div>
|
|
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  DCHECK_EQ(MpdBuilder::kStatic, type_);</div>
|
|
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div>
|
|
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  xmlNodePtr period_node = FindPeriodNode(mpd_node);</div>
|
|
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  DCHECK(period_node) << <span class="stringliteral">"Period element must be a child of mpd_node."</span>;</div>
|
|
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  DCHECK(IsPeriodNode(period_node));</div>
|
|
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
|
|
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="comment">// Attribute mediaPresentationDuration must be present for 'static' MPD. So</span></div>
|
|
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="comment">// setting "PT0S" is required even if none of the representaions have duration</span></div>
|
|
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="comment">// attribute.</span></div>
|
|
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordtype">float</span> max_duration = 0.0f;</div>
|
|
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">for</span> (xmlNodePtr adaptation_set = xmlFirstElementChild(period_node);</div>
|
|
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  adaptation_set; adaptation_set = xmlNextElementSibling(adaptation_set)) {</div>
|
|
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">for</span> (xmlNodePtr representation = xmlFirstElementChild(adaptation_set);</div>
|
|
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  representation;</div>
|
|
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  representation = xmlNextElementSibling(representation)) {</div>
|
|
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordtype">float</span> duration = 0.0f;</div>
|
|
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">if</span> (GetDurationAttribute(representation, &duration)) {</div>
|
|
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  max_duration = max_duration > duration ? max_duration : duration;</div>
|
|
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> </div>
|
|
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="comment">// 'duration' attribute is there only to help generate MPD, not</span></div>
|
|
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="comment">// necessary for MPD, remove the attribute.</span></div>
|
|
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  xmlUnsetProp(representation, BAD_CAST <span class="stringliteral">"duration"</span>);</div>
|
|
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div>
|
|
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  }</div>
|
|
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  }</div>
|
|
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span> </div>
|
|
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">return</span> max_duration;</div>
|
|
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> }</div>
|
|
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> </div>
|
|
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> <span class="keywordtype">bool</span> MpdBuilder::GetEarliestTimestamp(<span class="keywordtype">double</span>* timestamp_seconds) {</div>
|
|
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  DCHECK(timestamp_seconds);</div>
|
|
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div>
|
|
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordtype">double</span> earliest_timestamp(-1);</div>
|
|
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keywordflow">for</span> (std::list<AdaptationSet*>::const_iterator iter =</div>
|
|
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  adaptation_sets_.begin();</div>
|
|
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  iter != adaptation_sets_.end(); ++iter) {</div>
|
|
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordtype">double</span> timestamp;</div>
|
|
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">if</span> ((*iter)->GetEarliestTimestamp(&timestamp) &&</div>
|
|
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  ((earliest_timestamp < 0) || (timestamp < earliest_timestamp))) {</div>
|
|
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  earliest_timestamp = timestamp;</div>
|
|
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div>
|
|
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  }</div>
|
|
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> (earliest_timestamp < 0)</div>
|
|
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> </div>
|
|
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  *timestamp_seconds = earliest_timestamp;</div>
|
|
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> }</div>
|
|
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div>
|
|
<div class="line"><a name="l00646"></a><span class="lineno"><a class="line" href="../../dc/da1/classshaka_1_1MpdBuilder.html#a247a9c807274d4e707530f24e2d207f9"> 646</a></span> <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& mpd_path,</div>
|
|
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  MediaInfo* media_info) {</div>
|
|
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  DCHECK(media_info);</div>
|
|
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keyword">const</span> std::string kFileProtocol(<span class="stringliteral">"file://"</span>);</div>
|
|
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  std::string mpd_file_path = (mpd_path.find(kFileProtocol) == 0)</div>
|
|
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  ? mpd_path.substr(kFileProtocol.size())</div>
|
|
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  : mpd_path;</div>
|
|
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div>
|
|
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">if</span> (!mpd_file_path.empty()) {</div>
|
|
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  std::string mpd_dir(FilePath::FromUTF8Unsafe(mpd_file_path)</div>
|
|
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  .DirName().AsEndingWithSeparator().AsUTF8Unsafe());</div>
|
|
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">if</span> (!mpd_dir.empty()) {</div>
|
|
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">if</span> (media_info->has_media_file_name()) {</div>
|
|
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  media_info->set_media_file_name(</div>
|
|
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  MakePathRelative(media_info->media_file_name(), mpd_dir));</div>
|
|
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  }</div>
|
|
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">if</span> (media_info->has_init_segment_name()) {</div>
|
|
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  media_info->set_init_segment_name(</div>
|
|
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  MakePathRelative(media_info->init_segment_name(), mpd_dir));</div>
|
|
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  }</div>
|
|
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">if</span> (media_info->has_segment_template()) {</div>
|
|
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  media_info->set_segment_template(</div>
|
|
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  MakePathRelative(media_info->segment_template(), mpd_dir));</div>
|
|
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  }</div>
|
|
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  }</div>
|
|
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  }</div>
|
|
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> }</div>
|
|
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> </div>
|
|
<div class="line"><a name="l00674"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#acd24d0537c3625d709b58cf9565d8fcf"> 674</a></span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#acd24d0537c3625d709b58cf9565d8fcf">AdaptationSet::AdaptationSet</a>(uint32_t adaptation_set_id,</div>
|
|
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keyword">const</span> std::string& lang,</div>
|
|
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>& mpd_options,</div>
|
|
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  MpdBuilder::MpdType mpd_type,</div>
|
|
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  base::AtomicSequenceNumber* counter)</div>
|
|
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  : representations_deleter_(&representations_),</div>
|
|
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  representation_counter_(counter),</div>
|
|
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  id_(adaptation_set_id),</div>
|
|
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  lang_(lang),</div>
|
|
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  mpd_options_(mpd_options),</div>
|
|
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  mpd_type_(mpd_type),</div>
|
|
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  group_(kAdaptationSetGroupNotSet),</div>
|
|
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  segments_aligned_(kSegmentAlignmentUnknown),</div>
|
|
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  force_set_segment_alignment_(false) {</div>
|
|
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  DCHECK(counter);</div>
|
|
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> }</div>
|
|
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span> </div>
|
|
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> AdaptationSet::~AdaptationSet() {}</div>
|
|
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span> </div>
|
|
<div class="line"><a name="l00693"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a124e3c1ba5e3209f3214a556ecae28c3"> 693</a></span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html">Representation</a>* <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a124e3c1ba5e3209f3214a556ecae28c3">AdaptationSet::AddRepresentation</a>(<span class="keyword">const</span> MediaInfo& media_info) {</div>
|
|
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">const</span> uint32_t representation_id = representation_counter_->GetNext();</div>
|
|
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="comment">// Note that AdaptationSet outlive Representation, so this object</span></div>
|
|
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <span class="comment">// will die before AdaptationSet.</span></div>
|
|
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  scoped_ptr<RepresentationStateChangeListener> listener(</div>
|
|
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keyword">new</span> RepresentationStateChangeListenerImpl(representation_id, <span class="keyword">this</span>));</div>
|
|
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  scoped_ptr<Representation> representation(<span class="keyword">new</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html">Representation</a>(</div>
|
|
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  media_info, mpd_options_, representation_id, listener.Pass()));</div>
|
|
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> </div>
|
|
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span> (!representation->Init())</div>
|
|
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keywordflow">return</span> NULL;</div>
|
|
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span> </div>
|
|
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="comment">// For videos, record the width, height, and the frame rate to calculate the</span></div>
|
|
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="comment">// max {width,height,framerate} required for DASH IOP.</span></div>
|
|
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">if</span> (media_info.has_video_info()) {</div>
|
|
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keyword">const</span> MediaInfo::VideoInfo& video_info = media_info.video_info();</div>
|
|
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  DCHECK(video_info.has_width());</div>
|
|
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  DCHECK(video_info.has_height());</div>
|
|
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  video_widths_.insert(video_info.width());</div>
|
|
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  video_heights_.insert(video_info.height());</div>
|
|
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span> </div>
|
|
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">if</span> (video_info.has_time_scale() && video_info.has_frame_duration())</div>
|
|
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  RecordFrameRate(video_info.frame_duration(), video_info.time_scale());</div>
|
|
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span> </div>
|
|
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  AddPictureAspectRatio(video_info, &picture_aspect_ratio_);</div>
|
|
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  }</div>
|
|
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> </div>
|
|
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keywordflow">if</span> (media_info.has_video_info()) {</div>
|
|
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  content_type_ = <span class="stringliteral">"video"</span>;</div>
|
|
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (media_info.has_audio_info()) {</div>
|
|
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  content_type_ = <span class="stringliteral">"audio"</span>;</div>
|
|
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (media_info.has_text_info()) {</div>
|
|
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  content_type_ = <span class="stringliteral">"text"</span>;</div>
|
|
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> </div>
|
|
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">if</span> (media_info.text_info().has_type() &&</div>
|
|
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  (media_info.text_info().type() != MediaInfo::TextInfo::UNKNOWN)) {</div>
|
|
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  roles_.insert(MediaInfoTextTypeToRole(media_info.text_info().type()));</div>
|
|
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  }</div>
|
|
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div>
|
|
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> </div>
|
|
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  representations_.push_back(representation.get());</div>
|
|
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">return</span> representation.release();</div>
|
|
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span> }</div>
|
|
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span> </div>
|
|
<div class="line"><a name="l00737"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a28c52febc71a581ebec2c1308f6ea15c"> 737</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a28c52febc71a581ebec2c1308f6ea15c">AdaptationSet::AddContentProtectionElement</a>(</div>
|
|
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keyword">const</span> <a class="code" href="../../da/d43/structshaka_1_1ContentProtectionElement.html">ContentProtectionElement</a>& content_protection_element) {</div>
|
|
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  content_protection_elements_.push_back(content_protection_element);</div>
|
|
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  RemoveDuplicateAttributes(&content_protection_elements_.back());</div>
|
|
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> }</div>
|
|
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> </div>
|
|
<div class="line"><a name="l00743"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae8a28838bf1bbc1ad8f5b80961fe33c2"> 743</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae8a28838bf1bbc1ad8f5b80961fe33c2">AdaptationSet::UpdateContentProtectionPssh</a>(<span class="keyword">const</span> std::string& drm_uuid,</div>
|
|
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  <span class="keyword">const</span> std::string& pssh) {</div>
|
|
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  UpdateContentProtectionPsshHelper(drm_uuid, pssh,</div>
|
|
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  &content_protection_elements_);</div>
|
|
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span> }</div>
|
|
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> </div>
|
|
<div class="line"><a name="l00749"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae96ad89ec7cc7d5ef1db467a9cf13730"> 749</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae96ad89ec7cc7d5ef1db467a9cf13730">AdaptationSet::AddRole</a>(Role role) {</div>
|
|
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  roles_.insert(role);</div>
|
|
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span> }</div>
|
|
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> </div>
|
|
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span> <span class="comment">// Creates a copy of <AdaptationSet> xml element, iterate thru all the</span></div>
|
|
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span> <span class="comment">// <Representation> (child) elements and add them to the copy.</span></div>
|
|
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span> <span class="comment">// Set all the attributes first and then add the children elements so that flags</span></div>
|
|
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="comment">// can be passed to Representation to avoid setting redundant attributes. For</span></div>
|
|
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="comment">// example, if AdaptationSet@width is set, then Representation@width is</span></div>
|
|
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> <span class="comment">// redundant and should not be set.</span></div>
|
|
<div class="line"><a name="l00759"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#af988e3a6d8b0d3ede66e3f3aea992d5e"> 759</a></span> xml::scoped_xml_ptr<xmlNode> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#af988e3a6d8b0d3ede66e3f3aea992d5e">AdaptationSet::GetXml</a>() {</div>
|
|
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  AdaptationSetXmlNode adaptation_set;</div>
|
|
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span> </div>
|
|
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordtype">bool</span> suppress_representation_width = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keywordtype">bool</span> suppress_representation_height = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordtype">bool</span> suppress_representation_frame_rate = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> </div>
|
|
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  adaptation_set.SetId(id_);</div>
|
|
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  adaptation_set.SetStringAttribute(<span class="stringliteral">"contentType"</span>, content_type_);</div>
|
|
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keywordflow">if</span> (!lang_.empty() && lang_ != <span class="stringliteral">"und"</span>) {</div>
|
|
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  adaptation_set.SetStringAttribute(<span class="stringliteral">"lang"</span>, <a class="code" href="../../d8/daf/namespaceshaka.html#a5f657931280fdf63cae2ed8a8f891288">LanguageToShortestForm</a>(lang_));</div>
|
|
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  }</div>
|
|
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> </div>
|
|
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="comment">// Note that std::{set,map} are ordered, so the last element is the max value.</span></div>
|
|
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <span class="keywordflow">if</span> (video_widths_.size() == 1) {</div>
|
|
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  suppress_representation_width = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  adaptation_set.SetIntegerAttribute(<span class="stringliteral">"width"</span>, *video_widths_.begin());</div>
|
|
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (video_widths_.size() > 1) {</div>
|
|
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  adaptation_set.SetIntegerAttribute(<span class="stringliteral">"maxWidth"</span>, *video_widths_.rbegin());</div>
|
|
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  }</div>
|
|
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">if</span> (video_heights_.size() == 1) {</div>
|
|
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  suppress_representation_height = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  adaptation_set.SetIntegerAttribute(<span class="stringliteral">"height"</span>, *video_heights_.begin());</div>
|
|
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (video_heights_.size() > 1) {</div>
|
|
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  adaptation_set.SetIntegerAttribute(<span class="stringliteral">"maxHeight"</span>, *video_heights_.rbegin());</div>
|
|
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div>
|
|
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span> </div>
|
|
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">if</span> (video_frame_rates_.size() == 1) {</div>
|
|
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  suppress_representation_frame_rate = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  adaptation_set.SetStringAttribute(<span class="stringliteral">"frameRate"</span>,</div>
|
|
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  video_frame_rates_.begin()->second);</div>
|
|
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (video_frame_rates_.size() > 1) {</div>
|
|
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  adaptation_set.SetStringAttribute(<span class="stringliteral">"maxFrameRate"</span>,</div>
|
|
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  video_frame_rates_.rbegin()->second);</div>
|
|
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  }</div>
|
|
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span> </div>
|
|
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="comment">// Note: must be checked before checking segments_aligned_ (below). So that</span></div>
|
|
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="comment">// segments_aligned_ is set before checking below.</span></div>
|
|
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <span class="keywordflow">if</span> (mpd_type_ == MpdBuilder::kStatic) {</div>
|
|
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  CheckVodSegmentAlignment();</div>
|
|
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  }</div>
|
|
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span> </div>
|
|
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">if</span> (segments_aligned_ == kSegmentAlignmentTrue) {</div>
|
|
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  adaptation_set.SetStringAttribute(mpd_type_ == MpdBuilder::kStatic</div>
|
|
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  ? <span class="stringliteral">"subsegmentAlignment"</span></div>
|
|
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  : <span class="stringliteral">"segmentAlignment"</span>,</div>
|
|
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="stringliteral">"true"</span>);</div>
|
|
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  }</div>
|
|
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> </div>
|
|
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keywordflow">if</span> (picture_aspect_ratio_.size() == 1)</div>
|
|
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  adaptation_set.SetStringAttribute(<span class="stringliteral">"par"</span>, *picture_aspect_ratio_.begin());</div>
|
|
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span> </div>
|
|
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">if</span> (group_ >= 0)</div>
|
|
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  adaptation_set.SetIntegerAttribute(<span class="stringliteral">"group"</span>, group_);</div>
|
|
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span> </div>
|
|
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keywordflow">if</span> (!adaptation_set.AddContentProtectionElements(</div>
|
|
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  content_protection_elements_)) {</div>
|
|
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  }</div>
|
|
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <span class="keywordflow">for</span> (AdaptationSet::Role role : roles_)</div>
|
|
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  adaptation_set.AddRoleElement(<span class="stringliteral">"urn:mpeg:dash:role:2011"</span>, RoleToText(role));</div>
|
|
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span> </div>
|
|
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keywordflow">for</span> (<a class="code" href="../../de/d52/classshaka_1_1Representation.html">Representation</a>* representation : representations_) {</div>
|
|
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="keywordflow">if</span> (suppress_representation_width)</div>
|
|
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  representation->SuppressOnce(Representation::kSuppressWidth);</div>
|
|
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">if</span> (suppress_representation_height)</div>
|
|
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  representation->SuppressOnce(Representation::kSuppressHeight);</div>
|
|
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">if</span> (suppress_representation_frame_rate)</div>
|
|
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  representation->SuppressOnce(Representation::kSuppressFrameRate);</div>
|
|
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  xml::scoped_xml_ptr<xmlNode> child(representation->GetXml());</div>
|
|
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">if</span> (!child || !adaptation_set.AddChild(child.Pass()))</div>
|
|
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  }</div>
|
|
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span> </div>
|
|
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">return</span> adaptation_set.PassScopedPtr();</div>
|
|
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> }</div>
|
|
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span> </div>
|
|
<div class="line"><a name="l00836"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a40532ecbed5f71de85bde0cb7eb1ef9d"> 836</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a40532ecbed5f71de85bde0cb7eb1ef9d">AdaptationSet::ForceSetSegmentAlignment</a>(<span class="keywordtype">bool</span> segment_alignment) {</div>
|
|
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  segments_aligned_ =</div>
|
|
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  segment_alignment ? kSegmentAlignmentTrue : kSegmentAlignmentFalse;</div>
|
|
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  force_set_segment_alignment_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> }</div>
|
|
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> </div>
|
|
<div class="line"><a name="l00842"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae1f56e719f289e61c27ec51457d697af"> 842</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae1f56e719f289e61c27ec51457d697af">AdaptationSet::SetGroup</a>(<span class="keywordtype">int</span> group_number) {</div>
|
|
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  group_ = group_number;</div>
|
|
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span> }</div>
|
|
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span> </div>
|
|
<div class="line"><a name="l00846"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a1f4285fb3adce2028aa61030e333bc31"> 846</a></span> <span class="keywordtype">int</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a1f4285fb3adce2028aa61030e333bc31">AdaptationSet::Group</a>()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">return</span> group_;</div>
|
|
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span> }</div>
|
|
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> </div>
|
|
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> <span class="comment">// Check segmentAlignment for Live here. Storing all start_time and duration</span></div>
|
|
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> <span class="comment">// will out-of-memory because there's no way of knowing when it will end.</span></div>
|
|
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="comment">// VOD subsegmentAlignment check is *not* done here because it is possible</span></div>
|
|
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span> <span class="comment">// that some Representations might not have been added yet (e.g. a thread is</span></div>
|
|
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span> <span class="comment">// assigned per muxer so one might run faster than others).</span></div>
|
|
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span> <span class="comment">// To be clear, for Live, all Representations should be added before a</span></div>
|
|
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> <span class="comment">// segment is added.</span></div>
|
|
<div class="line"><a name="l00857"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#afcfb8f59204f6ec2f5dcd9cbd81dddf9"> 857</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#afcfb8f59204f6ec2f5dcd9cbd81dddf9">AdaptationSet::OnNewSegmentForRepresentation</a>(uint32_t representation_id,</div>
|
|
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  uint64_t start_time,</div>
|
|
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  uint64_t duration) {</div>
|
|
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keywordflow">if</span> (mpd_type_ == MpdBuilder::kDynamic) {</div>
|
|
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  CheckLiveSegmentAlignment(representation_id, start_time, duration);</div>
|
|
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  representation_segment_start_times_[representation_id].push_back(</div>
|
|
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  start_time);</div>
|
|
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  }</div>
|
|
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span> }</div>
|
|
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> </div>
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<div class="line"><a name="l00868"></a><span class="lineno"><a class="line" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a37904780833b552b7f95f124ffd10456"> 868</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a37904780833b552b7f95f124ffd10456">AdaptationSet::OnSetFrameRateForRepresentation</a>(</div>
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<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  uint32_t representation_id,</div>
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<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  uint32_t frame_duration,</div>
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<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  uint32_t timescale) {</div>
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<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  RecordFrameRate(frame_duration, timescale);</div>
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<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> }</div>
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<div class="line"><a name="l00874"></a><span class="lineno"> 874</span> </div>
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<div class="line"><a name="l00875"></a><span class="lineno"> 875</span> <span class="keywordtype">bool</span> AdaptationSet::GetEarliestTimestamp(<span class="keywordtype">double</span>* timestamp_seconds) {</div>
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<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  DCHECK(timestamp_seconds);</div>
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<div class="line"><a name="l00877"></a><span class="lineno"> 877</span> </div>
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<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordtype">double</span> earliest_timestamp(-1);</div>
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<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">for</span> (std::list<Representation*>::const_iterator iter =</div>
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<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  representations_.begin();</div>
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<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  iter != representations_.end(); ++iter) {</div>
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<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordtype">double</span> timestamp;</div>
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<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">if</span> ((*iter)->GetEarliestTimestamp(&timestamp) &&</div>
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<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  ((earliest_timestamp < 0) || (timestamp < earliest_timestamp))) {</div>
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<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  earliest_timestamp = timestamp;</div>
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<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  }</div>
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<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  }</div>
|
|
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  <span class="keywordflow">if</span> (earliest_timestamp < 0)</div>
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<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> </div>
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|
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  *timestamp_seconds = earliest_timestamp;</div>
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<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> }</div>
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<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> </div>
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<div class="line"><a name="l00895"></a><span class="lineno"> 895</span> <span class="comment">// This implementation assumes that each representations' segments' are</span></div>
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|
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span> <span class="comment">// contiguous.</span></div>
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<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="comment">// Also assumes that all Representations are added before this is called.</span></div>
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|
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span> <span class="comment">// This checks whether the first elements of the lists in</span></div>
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|
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span> <span class="comment">// representation_segment_start_times_ are aligned.</span></div>
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|
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span> <span class="comment">// For example, suppose this method was just called with args rep_id=2</span></div>
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<div class="line"><a name="l00901"></a><span class="lineno"> 901</span> <span class="comment">// start_time=1.</span></div>
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<div class="line"><a name="l00902"></a><span class="lineno"> 902</span> <span class="comment">// 1 -> [1, 100, 200]</span></div>
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|
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> <span class="comment">// 2 -> [1]</span></div>
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|
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> <span class="comment">// The timestamps of the first elements match, so this flags</span></div>
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|
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> <span class="comment">// segments_aligned_=true.</span></div>
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|
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> <span class="comment">// Also since the first segment start times match, the first element of all the</span></div>
|
|
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="comment">// lists are removed, so the map of lists becomes:</span></div>
|
|
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="comment">// 1 -> [100, 200]</span></div>
|
|
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span> <span class="comment">// 2 -> []</span></div>
|
|
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span> <span class="comment">// Note that there could be false positives.</span></div>
|
|
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span> <span class="comment">// e.g. just got rep_id=3 start_time=1 duration=300, and the duration of the</span></div>
|
|
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span> <span class="comment">// whole AdaptationSet is 300.</span></div>
|
|
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> <span class="comment">// 1 -> [1, 100, 200]</span></div>
|
|
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span> <span class="comment">// 2 -> [1, 90, 100]</span></div>
|
|
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> <span class="comment">// 3 -> [1]</span></div>
|
|
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span> <span class="comment">// They are not aligned but this will be marked as aligned.</span></div>
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|
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="comment">// But since this is unlikely to happen in the packager (and to save</span></div>
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|
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> <span class="comment">// computation), this isn't handled at the moment.</span></div>
|
|
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> <span class="keywordtype">void</span> AdaptationSet::CheckLiveSegmentAlignment(uint32_t representation_id,</div>
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|
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  uint64_t start_time,</div>
|
|
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  uint64_t <span class="comment">/* duration */</span>) {</div>
|
|
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  <span class="keywordflow">if</span> (segments_aligned_ == kSegmentAlignmentFalse ||</div>
|
|
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  force_set_segment_alignment_) {</div>
|
|
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  }</div>
|
|
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> </div>
|
|
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  std::list<uint64_t>& representation_start_times =</div>
|
|
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  representation_segment_start_times_[representation_id];</div>
|
|
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  representation_start_times.push_back(start_time);</div>
|
|
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  <span class="comment">// There's no way to detemine whether the segments are aligned if some</span></div>
|
|
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="comment">// representations do not have any segments.</span></div>
|
|
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">if</span> (representation_segment_start_times_.size() != representations_.size())</div>
|
|
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span> </div>
|
|
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  DCHECK(!representation_start_times.empty());</div>
|
|
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keyword">const</span> uint64_t expected_start_time = representation_start_times.front();</div>
|
|
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <span class="keywordflow">for</span> (RepresentationTimeline::const_iterator it =</div>
|
|
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  representation_segment_start_times_.begin();</div>
|
|
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  it != representation_segment_start_times_.end(); ++it) {</div>
|
|
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  <span class="comment">// If there are no entries in a list, then there is no way for the</span></div>
|
|
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="comment">// segment alignment status to change.</span></div>
|
|
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <span class="comment">// Note that it can be empty because entries get deleted below.</span></div>
|
|
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  <span class="keywordflow">if</span> (it->second.empty())</div>
|
|
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span> </div>
|
|
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">if</span> (expected_start_time != it->second.front()) {</div>
|
|
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="comment">// Flag as false and clear the start times data, no need to keep it</span></div>
|
|
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <span class="comment">// around.</span></div>
|
|
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  segments_aligned_ = kSegmentAlignmentFalse;</div>
|
|
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  representation_segment_start_times_.clear();</div>
|
|
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  }</div>
|
|
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  }</div>
|
|
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  segments_aligned_ = kSegmentAlignmentTrue;</div>
|
|
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span> </div>
|
|
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">for</span> (RepresentationTimeline::iterator it =</div>
|
|
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  representation_segment_start_times_.begin();</div>
|
|
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  it != representation_segment_start_times_.end(); ++it) {</div>
|
|
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  it->second.pop_front();</div>
|
|
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  }</div>
|
|
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span> }</div>
|
|
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span> </div>
|
|
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> <span class="comment">// Make sure all segements start times match for all Representations.</span></div>
|
|
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span> <span class="comment">// This assumes that the segments are contiguous.</span></div>
|
|
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="keywordtype">void</span> AdaptationSet::CheckVodSegmentAlignment() {</div>
|
|
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="keywordflow">if</span> (segments_aligned_ == kSegmentAlignmentFalse ||</div>
|
|
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  force_set_segment_alignment_) {</div>
|
|
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  }</div>
|
|
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  <span class="keywordflow">if</span> (representation_segment_start_times_.empty())</div>
|
|
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keywordflow">if</span> (representation_segment_start_times_.size() == 1) {</div>
|
|
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  segments_aligned_ = kSegmentAlignmentTrue;</div>
|
|
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  }</div>
|
|
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span> </div>
|
|
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  <span class="comment">// This is not the most efficient implementation to compare the values</span></div>
|
|
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="comment">// because expected_time_line is compared against all other time lines, but</span></div>
|
|
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="comment">// probably the most readable.</span></div>
|
|
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  <span class="keyword">const</span> std::list<uint64_t>& expected_time_line =</div>
|
|
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  representation_segment_start_times_.begin()->second;</div>
|
|
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span> </div>
|
|
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  <span class="keywordtype">bool</span> all_segment_time_line_same_length = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  <span class="comment">// Note that the first entry is skipped because it is expected_time_line.</span></div>
|
|
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  RepresentationTimeline::const_iterator it =</div>
|
|
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  representation_segment_start_times_.begin();</div>
|
|
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <span class="keywordflow">for</span> (++it; it != representation_segment_start_times_.end(); ++it) {</div>
|
|
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <span class="keyword">const</span> std::list<uint64_t>& other_time_line = it->second;</div>
|
|
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  <span class="keywordflow">if</span> (expected_time_line.size() != other_time_line.size()) {</div>
|
|
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  all_segment_time_line_same_length = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  }</div>
|
|
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> </div>
|
|
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  <span class="keyword">const</span> std::list<uint64_t>* longer_list = &other_time_line;</div>
|
|
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  <span class="keyword">const</span> std::list<uint64_t>* shorter_list = &expected_time_line;</div>
|
|
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  <span class="keywordflow">if</span> (expected_time_line.size() > other_time_line.size()) {</div>
|
|
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  shorter_list = &other_time_line;</div>
|
|
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  longer_list = &expected_time_line;</div>
|
|
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  }</div>
|
|
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span> </div>
|
|
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordflow">if</span> (!std::equal(shorter_list->begin(), shorter_list->end(),</div>
|
|
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  longer_list->begin())) {</div>
|
|
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <span class="comment">// Some segments are definitely unaligned.</span></div>
|
|
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  segments_aligned_ = kSegmentAlignmentFalse;</div>
|
|
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  representation_segment_start_times_.clear();</div>
|
|
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  }</div>
|
|
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  }</div>
|
|
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span> </div>
|
|
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="comment">// TODO(rkuroiwa): The right way to do this is to also check the durations.</span></div>
|
|
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="comment">// For example:</span></div>
|
|
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="comment">// (a) 3 4 5</span></div>
|
|
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  <span class="comment">// (b) 3 4 5 6</span></div>
|
|
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="comment">// could be true or false depending on the length of the third segment of (a).</span></div>
|
|
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="comment">// i.e. if length of the third segment is 2, then this is not aligned.</span></div>
|
|
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  <span class="keywordflow">if</span> (!all_segment_time_line_same_length) {</div>
|
|
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  segments_aligned_ = kSegmentAlignmentUnknown;</div>
|
|
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  }</div>
|
|
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span> </div>
|
|
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  segments_aligned_ = kSegmentAlignmentTrue;</div>
|
|
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span> }</div>
|
|
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> </div>
|
|
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span> <span class="comment">// Since all AdaptationSet cares about is the maxFrameRate, representation_id</span></div>
|
|
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span> <span class="comment">// is not passed to this method.</span></div>
|
|
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> <span class="keywordtype">void</span> AdaptationSet::RecordFrameRate(uint32_t frame_duration,</div>
|
|
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  uint32_t timescale) {</div>
|
|
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keywordflow">if</span> (frame_duration == 0) {</div>
|
|
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  LOG(ERROR) << <span class="stringliteral">"Frame duration is 0 and cannot be set."</span>;</div>
|
|
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  }</div>
|
|
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  video_frame_rates_[<span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(timescale) / frame_duration] =</div>
|
|
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  base::IntToString(timescale) + <span class="stringliteral">"/"</span> + base::IntToString(frame_duration);</div>
|
|
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span> }</div>
|
|
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span> </div>
|
|
<div class="line"><a name="l01035"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#ad029323166bb60175a2369c3e887dca0"> 1035</a></span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#ad029323166bb60175a2369c3e887dca0">Representation::Representation</a>(</div>
|
|
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  <span class="keyword">const</span> MediaInfo& media_info,</div>
|
|
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="keyword">const</span> <a class="code" href="../../d1/df3/structshaka_1_1MpdOptions.html">MpdOptions</a>& mpd_options,</div>
|
|
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  uint32_t <span class="keywordtype">id</span>,</div>
|
|
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  scoped_ptr<RepresentationStateChangeListener> state_change_listener)</div>
|
|
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  : media_info_(media_info),</div>
|
|
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  id_(id),</div>
|
|
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  bandwidth_estimator_(<a class="code" href="../../d2/d6f/classBandwidthEstimator.html">BandwidthEstimator</a>::kUseAllBlocks),</div>
|
|
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  mpd_options_(mpd_options),</div>
|
|
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  start_number_(1),</div>
|
|
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  state_change_listener_(state_change_listener.Pass()),</div>
|
|
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  output_suppression_flags_(0) {}</div>
|
|
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span> </div>
|
|
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> Representation::~Representation() {}</div>
|
|
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> </div>
|
|
<div class="line"><a name="l01050"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#ae998409ae94f3ba12909a96e8f3f4f7e"> 1050</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#ae998409ae94f3ba12909a96e8f3f4f7e">Representation::Init</a>() {</div>
|
|
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  <span class="keywordflow">if</span> (!AtLeastOneTrue(media_info_.has_video_info(),</div>
|
|
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  media_info_.has_audio_info(),</div>
|
|
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  media_info_.has_text_info())) {</div>
|
|
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <span class="comment">// This is an error. Segment information can be in AdaptationSet, Period, or</span></div>
|
|
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <span class="comment">// MPD but the interface does not provide a way to set them.</span></div>
|
|
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="comment">// See 5.3.9.1 ISO 23009-1:2012 for segment info.</span></div>
|
|
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  LOG(ERROR) << <span class="stringliteral">"Representation needs one of video, audio, or text."</span>;</div>
|
|
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  }</div>
|
|
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span> </div>
|
|
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  <span class="keywordflow">if</span> (MoreThanOneTrue(media_info_.has_video_info(),</div>
|
|
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  media_info_.has_audio_info(),</div>
|
|
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  media_info_.has_text_info())) {</div>
|
|
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  LOG(ERROR) << <span class="stringliteral">"Only one of VideoInfo, AudioInfo, or TextInfo can be set."</span>;</div>
|
|
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  }</div>
|
|
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span> </div>
|
|
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  <span class="keywordflow">if</span> (media_info_.container_type() == MediaInfo::CONTAINER_UNKNOWN) {</div>
|
|
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  LOG(ERROR) << <span class="stringliteral">"'container_type' in MediaInfo cannot be CONTAINER_UNKNOWN."</span>;</div>
|
|
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  }</div>
|
|
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span> </div>
|
|
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>  <span class="keywordflow">if</span> (media_info_.has_video_info()) {</div>
|
|
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  mime_type_ = GetVideoMimeType();</div>
|
|
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keywordflow">if</span> (!HasRequiredVideoFields(media_info_.video_info())) {</div>
|
|
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  LOG(ERROR) << <span class="stringliteral">"Missing required fields to create a video Representation."</span>;</div>
|
|
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  }</div>
|
|
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (media_info_.has_audio_info()) {</div>
|
|
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  mime_type_ = GetAudioMimeType();</div>
|
|
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (media_info_.has_text_info()) {</div>
|
|
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  mime_type_ = GetTextMimeType();</div>
|
|
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  }</div>
|
|
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span> </div>
|
|
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <span class="keywordflow">if</span> (mime_type_.empty())</div>
|
|
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span> </div>
|
|
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  codecs_ = GetCodecs(media_info_);</div>
|
|
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span> }</div>
|
|
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span> </div>
|
|
<div class="line"><a name="l01092"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a265d014093c9073b08505013886aaa8d"> 1092</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a265d014093c9073b08505013886aaa8d">Representation::AddContentProtectionElement</a>(</div>
|
|
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <span class="keyword">const</span> <a class="code" href="../../da/d43/structshaka_1_1ContentProtectionElement.html">ContentProtectionElement</a>& content_protection_element) {</div>
|
|
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  content_protection_elements_.push_back(content_protection_element);</div>
|
|
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  RemoveDuplicateAttributes(&content_protection_elements_.back());</div>
|
|
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span> }</div>
|
|
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span> </div>
|
|
<div class="line"><a name="l01098"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a3d17325903aa01f0c8ff7753d94ff330"> 1098</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a3d17325903aa01f0c8ff7753d94ff330">Representation::UpdateContentProtectionPssh</a>(<span class="keyword">const</span> std::string& drm_uuid,</div>
|
|
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="keyword">const</span> std::string& pssh) {</div>
|
|
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  UpdateContentProtectionPsshHelper(drm_uuid, pssh,</div>
|
|
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  &content_protection_elements_);</div>
|
|
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span> }</div>
|
|
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span> </div>
|
|
<div class="line"><a name="l01104"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a6ca8bbfd34ef8ca782d2ef18aeaad932"> 1104</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a6ca8bbfd34ef8ca782d2ef18aeaad932">Representation::AddNewSegment</a>(uint64_t start_time,</div>
|
|
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  uint64_t duration,</div>
|
|
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  uint64_t size) {</div>
|
|
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <span class="keywordflow">if</span> (start_time == 0 && duration == 0) {</div>
|
|
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  LOG(WARNING) << <span class="stringliteral">"Got segment with start_time and duration == 0. Ignoring."</span>;</div>
|
|
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  }</div>
|
|
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span> </div>
|
|
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  <span class="keywordflow">if</span> (state_change_listener_)</div>
|
|
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  state_change_listener_->OnNewSegmentForRepresentation(start_time, duration);</div>
|
|
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="keywordflow">if</span> (IsContiguous(start_time, duration, size)) {</div>
|
|
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  ++segment_infos_.back().repeat;</div>
|
|
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  <a class="code" href="../../dc/de1/structshaka_1_1SegmentInfo.html">SegmentInfo</a> s = {start_time, duration, <span class="comment">/* Not repeat. */</span> 0};</div>
|
|
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  segment_infos_.push_back(s);</div>
|
|
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>  }</div>
|
|
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> </div>
|
|
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  bandwidth_estimator_.AddBlock(</div>
|
|
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>  size, static_cast<double>(duration) / media_info_.reference_time_scale());</div>
|
|
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> </div>
|
|
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  SlideWindow();</div>
|
|
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>  DCHECK_GE(segment_infos_.size(), 1u);</div>
|
|
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span> }</div>
|
|
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span> </div>
|
|
<div class="line"><a name="l01128"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a11b32833166b9c4bea78cca2c6069d98"> 1128</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a11b32833166b9c4bea78cca2c6069d98">Representation::SetSampleDuration</a>(uint32_t sample_duration) {</div>
|
|
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <span class="keywordflow">if</span> (media_info_.has_video_info()) {</div>
|
|
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  media_info_.mutable_video_info()->set_frame_duration(sample_duration);</div>
|
|
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  <span class="keywordflow">if</span> (state_change_listener_) {</div>
|
|
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  state_change_listener_->OnSetFrameRateForRepresentation(</div>
|
|
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  sample_duration, media_info_.video_info().time_scale());</div>
|
|
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  }</div>
|
|
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  }</div>
|
|
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span> }</div>
|
|
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span> </div>
|
|
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> <span class="comment">// Uses info in |media_info_| and |content_protection_elements_| to create a</span></div>
|
|
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span> <span class="comment">// "Representation" node.</span></div>
|
|
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> <span class="comment">// MPD schema has strict ordering. The following must be done in order.</span></div>
|
|
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span> <span class="comment">// AddVideoInfo() (possibly adds FramePacking elements), AddAudioInfo() (Adds</span></div>
|
|
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span> <span class="comment">// AudioChannelConfig elements), AddContentProtectionElements*(), and</span></div>
|
|
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span> <span class="comment">// AddVODOnlyInfo() (Adds segment info).</span></div>
|
|
<div class="line"><a name="l01144"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a606afa5df6a90f49faad0ce427b7e960"> 1144</a></span> xml::scoped_xml_ptr<xmlNode> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a606afa5df6a90f49faad0ce427b7e960">Representation::GetXml</a>() {</div>
|
|
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  <span class="keywordflow">if</span> (!HasRequiredMediaInfoFields()) {</div>
|
|
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  LOG(ERROR) << <span class="stringliteral">"MediaInfo missing required fields."</span>;</div>
|
|
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  }</div>
|
|
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span> </div>
|
|
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  <span class="keyword">const</span> uint64_t bandwidth = media_info_.has_bandwidth()</div>
|
|
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  ? media_info_.bandwidth()</div>
|
|
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  : bandwidth_estimator_.Estimate();</div>
|
|
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span> </div>
|
|
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  DCHECK(!(HasVODOnlyFields(media_info_) && HasLiveOnlyFields(media_info_)));</div>
|
|
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span> </div>
|
|
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  RepresentationXmlNode representation;</div>
|
|
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <span class="comment">// Mandatory fields for Representation.</span></div>
|
|
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span>  representation.SetId(id_);</div>
|
|
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  representation.SetIntegerAttribute(<span class="stringliteral">"bandwidth"</span>, bandwidth);</div>
|
|
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span>  <span class="keywordflow">if</span> (!codecs_.empty())</div>
|
|
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  representation.SetStringAttribute(<span class="stringliteral">"codecs"</span>, codecs_);</div>
|
|
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  representation.SetStringAttribute(<span class="stringliteral">"mimeType"</span>, mime_type_);</div>
|
|
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span> </div>
|
|
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_video_info = media_info_.has_video_info();</div>
|
|
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> has_audio_info = media_info_.has_audio_info();</div>
|
|
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span> </div>
|
|
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  <span class="keywordflow">if</span> (has_video_info &&</div>
|
|
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  !representation.AddVideoInfo(</div>
|
|
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  media_info_.video_info(),</div>
|
|
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  !(output_suppression_flags_ & kSuppressWidth),</div>
|
|
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  !(output_suppression_flags_ & kSuppressHeight),</div>
|
|
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  !(output_suppression_flags_ & kSuppressFrameRate))) {</div>
|
|
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  LOG(ERROR) << <span class="stringliteral">"Failed to add video info to Representation XML."</span>;</div>
|
|
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  }</div>
|
|
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span> </div>
|
|
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="keywordflow">if</span> (has_audio_info &&</div>
|
|
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  !representation.AddAudioInfo(media_info_.audio_info())) {</div>
|
|
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  LOG(ERROR) << <span class="stringliteral">"Failed to add audio info to Representation XML."</span>;</div>
|
|
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>  }</div>
|
|
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span> </div>
|
|
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <span class="keywordflow">if</span> (!representation.AddContentProtectionElements(</div>
|
|
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  content_protection_elements_)) {</div>
|
|
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>  }</div>
|
|
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span> </div>
|
|
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <span class="keywordflow">if</span> (HasVODOnlyFields(media_info_) &&</div>
|
|
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  !representation.AddVODOnlyInfo(media_info_)) {</div>
|
|
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  LOG(ERROR) << <span class="stringliteral">"Failed to add VOD segment info."</span>;</div>
|
|
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>  }</div>
|
|
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span> </div>
|
|
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>  <span class="keywordflow">if</span> (HasLiveOnlyFields(media_info_) &&</div>
|
|
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  !representation.AddLiveOnlyInfo(media_info_, segment_infos_,</div>
|
|
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>  start_number_)) {</div>
|
|
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  LOG(ERROR) << <span class="stringliteral">"Failed to add Live info."</span>;</div>
|
|
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordflow">return</span> xml::scoped_xml_ptr<xmlNode>();</div>
|
|
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  }</div>
|
|
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <span class="comment">// TODO(rkuroiwa): It is likely that all representations have the exact same</span></div>
|
|
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  <span class="comment">// SegmentTemplate. Optimize and propagate the tag up to AdaptationSet level.</span></div>
|
|
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span> </div>
|
|
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  output_suppression_flags_ = 0;</div>
|
|
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordflow">return</span> representation.PassScopedPtr();</div>
|
|
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span> }</div>
|
|
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span> </div>
|
|
<div class="line"><a name="l01207"></a><span class="lineno"><a class="line" href="../../de/d52/classshaka_1_1Representation.html#a473e45dbbf64e6ab6ed670ccedac84ed"> 1207</a></span> <span class="keywordtype">void</span> <a class="code" href="../../de/d52/classshaka_1_1Representation.html#a473e45dbbf64e6ab6ed670ccedac84ed">Representation::SuppressOnce</a>(SuppressFlag flag) {</div>
|
|
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  output_suppression_flags_ |= flag;</div>
|
|
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span> }</div>
|
|
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span> </div>
|
|
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span> <span class="keywordtype">bool</span> Representation::HasRequiredMediaInfoFields() {</div>
|
|
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordflow">if</span> (HasVODOnlyFields(media_info_) && HasLiveOnlyFields(media_info_)) {</div>
|
|
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>  LOG(ERROR) << <span class="stringliteral">"MediaInfo cannot have both VOD and Live fields."</span>;</div>
|
|
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>  }</div>
|
|
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span> </div>
|
|
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>  <span class="keywordflow">if</span> (!media_info_.has_container_type()) {</div>
|
|
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  LOG(ERROR) << <span class="stringliteral">"MediaInfo missing required field: container_type."</span>;</div>
|
|
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  }</div>
|
|
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span> </div>
|
|
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  <span class="keywordflow">if</span> (HasVODOnlyFields(media_info_) && !media_info_.has_bandwidth()) {</div>
|
|
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  LOG(ERROR) << <span class="stringliteral">"Missing 'bandwidth' field. MediaInfo requires bandwidth for "</span></div>
|
|
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="stringliteral">"static profile for generating a valid MPD."</span>;</div>
|
|
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  }</div>
|
|
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span> </div>
|
|
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  VLOG_IF(3, HasLiveOnlyFields(media_info_) && !media_info_.has_bandwidth())</div>
|
|
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  << <span class="stringliteral">"MediaInfo missing field 'bandwidth'. Using estimated from "</span></div>
|
|
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="stringliteral">"segment size."</span>;</div>
|
|
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span> </div>
|
|
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span> }</div>
|
|
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span> </div>
|
|
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span> <span class="keywordtype">bool</span> Representation::IsContiguous(uint64_t start_time,</div>
|
|
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  uint64_t duration,</div>
|
|
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  uint64_t size)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="keywordflow">if</span> (segment_infos_.empty())</div>
|
|
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span> </div>
|
|
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  <span class="comment">// Contiguous segment.</span></div>
|
|
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keyword">const</span> SegmentInfo& previous = segment_infos_.back();</div>
|
|
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <span class="keyword">const</span> uint64_t previous_segment_end_time =</div>
|
|
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  previous.start_time + previous.duration * (previous.repeat + 1);</div>
|
|
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  <span class="keywordflow">if</span> (previous_segment_end_time == start_time &&</div>
|
|
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  segment_infos_.back().duration == duration) {</div>
|
|
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  }</div>
|
|
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span> </div>
|
|
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="comment">// No out of order segments.</span></div>
|
|
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <span class="keyword">const</span> uint64_t previous_segment_start_time =</div>
|
|
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  previous.start_time + previous.duration * previous.repeat;</div>
|
|
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="keywordflow">if</span> (previous_segment_start_time >= start_time) {</div>
|
|
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  LOG(ERROR) << <span class="stringliteral">"Segments should not be out of order segment. Adding segment "</span></div>
|
|
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  <span class="stringliteral">"with start_time == "</span></div>
|
|
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  << start_time << <span class="stringliteral">" but the previous segment starts at "</span></div>
|
|
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  << previous.start_time << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  }</div>
|
|
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span> </div>
|
|
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="comment">// A gap since previous.</span></div>
|
|
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  <span class="keyword">const</span> uint64_t kRoundingErrorGrace = 5;</div>
|
|
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  <span class="keywordflow">if</span> (previous_segment_end_time + kRoundingErrorGrace < start_time) {</div>
|
|
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  LOG(WARNING) << <span class="stringliteral">"Found a gap of size "</span></div>
|
|
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  << (start_time - previous_segment_end_time)</div>
|
|
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  << <span class="stringliteral">" > kRoundingErrorGrace ("</span> << kRoundingErrorGrace</div>
|
|
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span>  << <span class="stringliteral">"). The new segment starts at "</span> << start_time</div>
|
|
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  << <span class="stringliteral">" but the previous segment ends at "</span></div>
|
|
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span>  << previous_segment_end_time << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span>  }</div>
|
|
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span> </div>
|
|
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span>  <span class="comment">// No overlapping segments.</span></div>
|
|
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  <span class="keywordflow">if</span> (start_time < previous_segment_end_time - kRoundingErrorGrace) {</div>
|
|
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span>  LOG(WARNING)</div>
|
|
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span>  << <span class="stringliteral">"Segments should not be overlapping. The new segment starts at "</span></div>
|
|
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span>  << start_time << <span class="stringliteral">" but the previous segment ends at "</span></div>
|
|
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  << previous_segment_end_time << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  }</div>
|
|
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span> </div>
|
|
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <span class="comment">// Within rounding error grace but technically not contiguous in terms of MPD.</span></div>
|
|
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span> }</div>
|
|
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span> </div>
|
|
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span> <span class="keywordtype">void</span> Representation::SlideWindow() {</div>
|
|
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  DCHECK(!segment_infos_.empty());</div>
|
|
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  <span class="keywordflow">if</span> (mpd_options_.time_shift_buffer_depth <= 0.0)</div>
|
|
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span> </div>
|
|
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  <span class="keyword">const</span> uint32_t time_scale = GetTimeScale(media_info_);</div>
|
|
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>  DCHECK_GT(time_scale, 0u);</div>
|
|
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span> </div>
|
|
<div class="line"><a name="l01294"></a><span class="lineno"> 1294</span>  uint64_t time_shift_buffer_depth =</div>
|
|
<div class="line"><a name="l01295"></a><span class="lineno"> 1295</span>  <span class="keyword">static_cast<</span>uint64_t<span class="keyword">></span>(mpd_options_.time_shift_buffer_depth * time_scale);</div>
|
|
<div class="line"><a name="l01296"></a><span class="lineno"> 1296</span> </div>
|
|
<div class="line"><a name="l01297"></a><span class="lineno"> 1297</span>  <span class="comment">// The start time of the latest segment is considered the current_play_time,</span></div>
|
|
<div class="line"><a name="l01298"></a><span class="lineno"> 1298</span>  <span class="comment">// and this should guarantee that the latest segment will stay in the list.</span></div>
|
|
<div class="line"><a name="l01299"></a><span class="lineno"> 1299</span>  <span class="keyword">const</span> uint64_t current_play_time = LatestSegmentStartTime(segment_infos_);</div>
|
|
<div class="line"><a name="l01300"></a><span class="lineno"> 1300</span>  <span class="keywordflow">if</span> (current_play_time <= time_shift_buffer_depth)</div>
|
|
<div class="line"><a name="l01301"></a><span class="lineno"> 1301</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l01302"></a><span class="lineno"> 1302</span> </div>
|
|
<div class="line"><a name="l01303"></a><span class="lineno"> 1303</span>  <span class="keyword">const</span> uint64_t timeshift_limit = current_play_time - time_shift_buffer_depth;</div>
|
|
<div class="line"><a name="l01304"></a><span class="lineno"> 1304</span> </div>
|
|
<div class="line"><a name="l01305"></a><span class="lineno"> 1305</span>  <span class="comment">// First remove all the SegmentInfos that are completely out of range, by</span></div>
|
|
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>  <span class="comment">// looking at the very last segment's end time.</span></div>
|
|
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>  std::list<SegmentInfo>::iterator first = segment_infos_.begin();</div>
|
|
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  std::list<SegmentInfo>::iterator last = first;</div>
|
|
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>  <span class="keywordtype">size_t</span> num_segments_removed = 0;</div>
|
|
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="keywordflow">for</span> (; last != segment_infos_.end(); ++last) {</div>
|
|
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <span class="keyword">const</span> uint64_t last_segment_end_time = LastSegmentEndTime(*last);</div>
|
|
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <span class="keywordflow">if</span> (timeshift_limit < last_segment_end_time)</div>
|
|
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  num_segments_removed += last->repeat + 1;</div>
|
|
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  }</div>
|
|
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  segment_infos_.erase(first, last);</div>
|
|
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  start_number_ += num_segments_removed;</div>
|
|
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span> </div>
|
|
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="comment">// Now some segment in the first SegmentInfo should be left in the list.</span></div>
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<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>  SegmentInfo* first_segment_info = &segment_infos_.front();</div>
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<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  DCHECK_LE(timeshift_limit, LastSegmentEndTime(*first_segment_info));</div>
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<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span> </div>
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<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <span class="comment">// Identify which segments should still be in the SegmentInfo.</span></div>
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<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> repeat_index =</div>
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<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  SearchTimedOutRepeatIndex(timeshift_limit, *first_segment_info);</div>
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<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  CHECK_GE(repeat_index, 0);</div>
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<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  <span class="keywordflow">if</span> (repeat_index == 0)</div>
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<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="keywordflow">return</span>;</div>
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<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span> </div>
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<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  first_segment_info->start_time = first_segment_info->start_time +</div>
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<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  first_segment_info->duration * repeat_index;</div>
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<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span> </div>
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<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  first_segment_info->repeat = first_segment_info->repeat - repeat_index;</div>
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<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  start_number_ += repeat_index;</div>
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<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span> }</div>
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<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span> </div>
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<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span> std::string Representation::GetVideoMimeType()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="keywordflow">return</span> GetMimeType(<span class="stringliteral">"video"</span>, media_info_.container_type());</div>
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<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span> }</div>
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<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span> </div>
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<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span> std::string Representation::GetAudioMimeType()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  <span class="keywordflow">return</span> GetMimeType(<span class="stringliteral">"audio"</span>, media_info_.container_type());</div>
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<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span> }</div>
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<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span> </div>
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<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span> std::string Representation::GetTextMimeType()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  CHECK(media_info_.has_text_info());</div>
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<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <span class="keywordflow">if</span> (media_info_.text_info().format() == <span class="stringliteral">"ttml"</span>) {</div>
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<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <span class="keywordflow">switch</span> (media_info_.container_type()) {</div>
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<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  <span class="keywordflow">case</span> MediaInfo::CONTAINER_TEXT:</div>
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<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  <span class="keywordflow">return</span> <span class="stringliteral">"application/ttml+xml"</span>;</div>
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<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="keywordflow">case</span> MediaInfo::CONTAINER_MP4:</div>
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<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keywordflow">return</span> <span class="stringliteral">"application/mp4"</span>;</div>
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<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  LOG(ERROR) << <span class="stringliteral">"Failed to determine MIME type for TTML container: "</span></div>
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<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  << media_info_.container_type();</div>
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<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  }</div>
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<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  }</div>
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<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="keywordflow">if</span> (media_info_.text_info().format() == <span class="stringliteral">"vtt"</span>) {</div>
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<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  <span class="keywordflow">if</span> (media_info_.container_type() == MediaInfo::CONTAINER_TEXT) {</div>
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<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  <span class="keywordflow">return</span> <span class="stringliteral">"text/vtt"</span>;</div>
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<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  }</div>
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<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  LOG(ERROR) << <span class="stringliteral">"Failed to determine MIME type for VTT container: "</span></div>
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<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  << media_info_.container_type();</div>
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<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  }</div>
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<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span> </div>
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<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  LOG(ERROR) << <span class="stringliteral">"Cannot determine MIME type for format: "</span></div>
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<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>  << media_info_.text_info().format()</div>
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<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  << <span class="stringliteral">" container: "</span> << media_info_.container_type();</div>
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<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>  <span class="keywordflow">return</span> <span class="stringliteral">""</span>;</div>
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<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span> }</div>
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<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span> </div>
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<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span> <span class="keywordtype">bool</span> Representation::GetEarliestTimestamp(<span class="keywordtype">double</span>* timestamp_seconds) {</div>
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<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  DCHECK(timestamp_seconds);</div>
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<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span> </div>
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<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  <span class="keywordflow">if</span> (segment_infos_.empty())</div>
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<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span> </div>
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<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  *timestamp_seconds = <span class="keyword">static_cast<</span><span class="keywordtype">double</span><span class="keyword">></span>(segment_infos_.begin()->start_time) /</div>
|
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<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>  GetTimeScale(media_info_);</div>
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<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span> }</div>
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<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span> </div>
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<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span> } <span class="comment">// namespace shaka</span></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_a37904780833b552b7f95f124ffd10456"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a37904780833b552b7f95f124ffd10456">shaka::AdaptationSet::OnSetFrameRateForRepresentation</a></div><div class="ttdeci">void OnSetFrameRateForRepresentation(uint32_t representation_id, uint32_t frame_duration, uint32_t timescale)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00868">mpd_builder.cc:868</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a6ca8bbfd34ef8ca782d2ef18aeaad932"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a6ca8bbfd34ef8ca782d2ef18aeaad932">shaka::Representation::AddNewSegment</a></div><div class="ttdeci">virtual void AddNewSegment(uint64_t start_time, uint64_t duration, uint64_t size)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01104">mpd_builder.cc:1104</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_ae998409ae94f3ba12909a96e8f3f4f7e"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#ae998409ae94f3ba12909a96e8f3f4f7e">shaka::Representation::Init</a></div><div class="ttdeci">bool Init()</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01050">mpd_builder.cc:1050</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html_a35685a28f837c397e1f862d44b2205d9"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#a35685a28f837c397e1f862d44b2205d9">shaka::MpdBuilder::WriteMpdToFile</a></div><div class="ttdeci">bool WriteMpdToFile(media::File *output_file)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00423">mpd_builder.cc:423</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_acd24d0537c3625d709b58cf9565d8fcf"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#acd24d0537c3625d709b58cf9565d8fcf">shaka::AdaptationSet::AdaptationSet</a></div><div class="ttdeci">AdaptationSet(uint32_t adaptation_set_id, const std::string &lang, const MpdOptions &mpd_options, MpdBuilder::MpdType mpd_type, base::AtomicSequenceNumber *representation_counter)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00674">mpd_builder.cc:674</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html">shaka::AdaptationSet</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da3/mpd__builder_8h_source.html#l00167">mpd_builder.h:167</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a11b32833166b9c4bea78cca2c6069d98"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a11b32833166b9c4bea78cca2c6069d98">shaka::Representation::SetSampleDuration</a></div><div class="ttdeci">virtual void SetSampleDuration(uint32_t sample_duration)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01128">mpd_builder.cc:1128</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_a124e3c1ba5e3209f3214a556ecae28c3"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a124e3c1ba5e3209f3214a556ecae28c3">shaka::AdaptationSet::AddRepresentation</a></div><div class="ttdeci">virtual Representation * AddRepresentation(const MediaInfo &media_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00693">mpd_builder.cc:693</a></div></div>
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<div class="ttc" id="namespaceshaka_html_a5f657931280fdf63cae2ed8a8f891288"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html#a5f657931280fdf63cae2ed8a8f891288">shaka::LanguageToShortestForm</a></div><div class="ttdeci">std::string LanguageToShortestForm(const std::string &language)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d72/language__utils_8cc_source.html#l00089">language_utils.cc:89</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1File_html"><div class="ttname"><a href="../../d3/d61/classshaka_1_1media_1_1File.html">shaka::media::File</a></div><div class="ttdoc">Define an abstract file interface. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d4d/file_8h_source.html#l00024">file.h:24</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_a28c52febc71a581ebec2c1308f6ea15c"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a28c52febc71a581ebec2c1308f6ea15c">shaka::AdaptationSet::AddContentProtectionElement</a></div><div class="ttdeci">virtual void AddContentProtectionElement(const ContentProtectionElement &element)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00737">mpd_builder.cc:737</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_ad029323166bb60175a2369c3e887dca0"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#ad029323166bb60175a2369c3e887dca0">shaka::Representation::Representation</a></div><div class="ttdeci">Representation(const MediaInfo &media_info, const MpdOptions &mpd_options, uint32_t representation_id, scoped_ptr< RepresentationStateChangeListener > state_change_listener)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01035">mpd_builder.cc:1035</a></div></div>
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<div class="ttc" id="structshaka_1_1ContentProtectionElement_html"><div class="ttname"><a href="../../da/d43/structshaka_1_1ContentProtectionElement.html">shaka::ContentProtectionElement</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dd6/content__protection__element_8h_source.html#l00036">content_protection_element.h:36</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_ae96ad89ec7cc7d5ef1db467a9cf13730"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae96ad89ec7cc7d5ef1db467a9cf13730">shaka::AdaptationSet::AddRole</a></div><div class="ttdeci">virtual void AddRole(Role role)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00749">mpd_builder.cc:749</a></div></div>
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<div class="ttc" id="classshaka_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 &base_url)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00409">mpd_builder.cc:409</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_ae8a28838bf1bbc1ad8f5b80961fe33c2"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae8a28838bf1bbc1ad8f5b80961fe33c2">shaka::AdaptationSet::UpdateContentProtectionPssh</a></div><div class="ttdeci">virtual void UpdateContentProtectionPssh(const std::string &drm_uuid, const std::string &pssh)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00743">mpd_builder.cc:743</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_ae1f56e719f289e61c27ec51457d697af"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#ae1f56e719f289e61c27ec51457d697af">shaka::AdaptationSet::SetGroup</a></div><div class="ttdeci">virtual void SetGroup(int group_number)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00842">mpd_builder.cc:842</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a606afa5df6a90f49faad0ce427b7e960"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a606afa5df6a90f49faad0ce427b7e960">shaka::Representation::GetXml</a></div><div class="ttdeci">xml::scoped_xml_ptr< xmlNode > GetXml()</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01144">mpd_builder.cc:1144</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html_af7eae5cc11141eed2b5451d969e57db6"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#af7eae5cc11141eed2b5451d969e57db6">shaka::MpdBuilder::ToString</a></div><div class="ttdeci">virtual bool ToString(std::string *output)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00428">mpd_builder.cc:428</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_a40532ecbed5f71de85bde0cb7eb1ef9d"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a40532ecbed5f71de85bde0cb7eb1ef9d">shaka::AdaptationSet::ForceSetSegmentAlignment</a></div><div class="ttdeci">virtual void ForceSetSegmentAlignment(bool segment_alignment)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00836">mpd_builder.cc:836</a></div></div>
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<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 &mpd_path, MediaInfo *media_info)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00646">mpd_builder.cc:646</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html_ad22c1e62affefcb33382c9480820c032"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad22c1e62affefcb33382c9480820c032">shaka::MpdBuilder::MpdBuilder</a></div><div class="ttdeci">MpdBuilder(MpdType type, const MpdOptions &mpd_options)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00401">mpd_builder.cc:401</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_af988e3a6d8b0d3ede66e3f3aea992d5e"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#af988e3a6d8b0d3ede66e3f3aea992d5e">shaka::AdaptationSet::GetXml</a></div><div class="ttdeci">xml::scoped_xml_ptr< xmlNode > GetXml()</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00759">mpd_builder.cc:759</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a265d014093c9073b08505013886aaa8d"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a265d014093c9073b08505013886aaa8d">shaka::Representation::AddContentProtectionElement</a></div><div class="ttdeci">virtual void AddContentProtectionElement(const ContentProtectionElement &element)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01092">mpd_builder.cc:1092</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html">shaka::Representation</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da3/mpd__builder_8h_source.html#l00428">mpd_builder.h:428</a></div></div>
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<div class="ttc" id="classshaka_1_1MpdBuilder_html_ad32d4f20e6325b20267a2e905e1ec243"><div class="ttname"><a href="../../dc/da1/classshaka_1_1MpdBuilder.html#ad32d4f20e6325b20267a2e905e1ec243">shaka::MpdBuilder::AddAdaptationSet</a></div><div class="ttdeci">virtual AdaptationSet * AddAdaptationSet(const std::string &lang)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00413">mpd_builder.cc:413</a></div></div>
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<div class="ttc" id="classshaka_1_1AdaptationSet_html_a1f4285fb3adce2028aa61030e333bc31"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#a1f4285fb3adce2028aa61030e333bc31">shaka::AdaptationSet::Group</a></div><div class="ttdeci">virtual int Group() const </div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00846">mpd_builder.cc:846</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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<div class="ttc" id="classshaka_1_1AdaptationSet_html_afcfb8f59204f6ec2f5dcd9cbd81dddf9"><div class="ttname"><a href="../../d8/d8e/classshaka_1_1AdaptationSet.html#afcfb8f59204f6ec2f5dcd9cbd81dddf9">shaka::AdaptationSet::OnNewSegmentForRepresentation</a></div><div class="ttdeci">void OnNewSegmentForRepresentation(uint32_t representation_id, uint64_t start_time, uint64_t duration)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l00857">mpd_builder.cc:857</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a3d17325903aa01f0c8ff7753d94ff330"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a3d17325903aa01f0c8ff7753d94ff330">shaka::Representation::UpdateContentProtectionPssh</a></div><div class="ttdeci">virtual void UpdateContentProtectionPssh(const std::string &drm_uuid, const std::string &pssh)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01098">mpd_builder.cc:1098</a></div></div>
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<div class="ttc" id="structshaka_1_1SegmentInfo_html"><div class="ttname"><a href="../../dc/de1/structshaka_1_1SegmentInfo.html">shaka::SegmentInfo</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/de9/segment__info_8h_source.html#l00014">segment_info.h:14</a></div></div>
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<div class="ttc" id="classBandwidthEstimator_html"><div class="ttname"><a href="../../d2/d6f/classBandwidthEstimator.html">BandwidthEstimator</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d19/bandwidth__estimator_8h_source.html#l00015">bandwidth_estimator.h:15</a></div></div>
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<div class="ttc" id="classshaka_1_1Representation_html_a473e45dbbf64e6ab6ed670ccedac84ed"><div class="ttname"><a href="../../de/d52/classshaka_1_1Representation.html#a473e45dbbf64e6ab6ed670ccedac84ed">shaka::Representation::SuppressOnce</a></div><div class="ttdeci">void SuppressOnce(SuppressFlag flag)</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d11/mpd__builder_8cc_source.html#l01207">mpd_builder.cc:1207</a></div></div>
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