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<div class="title">ttml_generator.cc</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2020 Google LLC. 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/media/formats/ttml/ttml_generator.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 "packager/base/base64.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/strings/stringprintf.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/rcheck.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>ttml {</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="keyword">namespace </span>{</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> constexpr <span class="keyword">const</span> <span class="keywordtype">char</span>* kRegionIdPrefix = <span class="stringliteral">"_shaka_region_"</span>;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> std::string ToTtmlTime(int64_t time, uint32_t timescale) {</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  int64_t remaining = time * 1000 / timescale;</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> ms = remaining % 1000;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  remaining /= 1000;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> sec = remaining % 60;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  remaining /= 60;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> min = remaining % 60;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  remaining /= 60;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> hr = remaining;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">return</span> base::StringPrintf(<span class="stringliteral">"%02d:%02d:%02d.%02d"</span>, hr, min, sec, ms);</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>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> std::string ToTtmlSize(<span class="keyword">const</span> TextNumber& x, <span class="keyword">const</span> TextNumber& y) {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* kSuffixMap[] = {<span class="stringliteral">"px"</span>, <span class="stringliteral">"em"</span>, <span class="stringliteral">"%"</span>};</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> base::StringPrintf(<span class="stringliteral">"%.0f%s %.0f%s"</span>, x.value,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  kSuffixMap[<span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(x.type)], y.value,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  kSuffixMap[<span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(y.type)]);</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>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> } <span class="comment">// namespace</span></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* TtmlGenerator::kTtNamespace = <span class="stringliteral">"http://www.w3.org/ns/ttml"</span>;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> TtmlGenerator::TtmlGenerator() {}</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> TtmlGenerator::~TtmlGenerator() {}</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">void</span> TtmlGenerator::Initialize(<span class="keyword">const</span> std::map<std::string, TextRegion>& regions,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> std::string& language,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  uint32_t time_scale) {</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  regions_ = regions;</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  language_ = language;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  time_scale_ = time_scale;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> }</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">void</span> TtmlGenerator::AddSample(<span class="keyword">const</span> TextSample& sample) {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  samples_.emplace_back(sample);</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> <span class="keywordtype">void</span> TtmlGenerator::Reset() {</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  samples_.clear();</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">bool</span> TtmlGenerator::Dump(std::string* result)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  xml::XmlNode root(<span class="stringliteral">"tt"</span>);</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  RCHECK(root.SetStringAttribute(<span class="stringliteral">"xmlns"</span>, kTtNamespace));</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  RCHECK(root.SetStringAttribute(<span class="stringliteral">"xmlns:tts"</span>,</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="stringliteral">"http://www.w3.org/ns/ttml#styling"</span>));</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">bool</span> did_log = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  xml::XmlNode head(<span class="stringliteral">"head"</span>);</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  RCHECK(root.SetStringAttribute(<span class="stringliteral">"xml:lang"</span>, language_));</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : regions_) {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (!did_log && (pair.second.region_anchor_x.value != 0 &&</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  pair.second.region_anchor_y.value != 0)) {</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  LOG(WARNING) << <span class="stringliteral">"TTML doesn't support non-0 region anchor"</span>;</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  did_log = <span class="keyword">true</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>  </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  xml::XmlNode region(<span class="stringliteral">"region"</span>);</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">const</span> <span class="keyword">auto</span> origin =</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  ToTtmlSize(pair.second.window_anchor_x, pair.second.window_anchor_y);</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <span class="keyword">auto</span> extent = ToTtmlSize(pair.second.width, pair.second.height);</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"xml:id"</span>, pair.first));</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"tts:origin"</span>, origin));</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"tts:extent"</span>, extent));</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  RCHECK(head.AddChild(std::move(region)));</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  RCHECK(root.AddChild(std::move(head)));</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">size_t</span> image_count = 0;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  xml::XmlNode metadata(<span class="stringliteral">"metadata"</span>);</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  xml::XmlNode body(<span class="stringliteral">"body"</span>);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  xml::XmlNode div(<span class="stringliteral">"div"</span>);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& sample : samples_) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  RCHECK(AddSampleToXml(sample, &div, &metadata, &image_count));</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  RCHECK(body.AddChild(std::move(div)));</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (image_count > 0) {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  RCHECK(root.SetStringAttribute(</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="stringliteral">"xmlns:smpte"</span>, <span class="stringliteral">"http://www.smpte-ra.org/schemas/2052-1/2010/smpte-tt"</span>));</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  RCHECK(root.AddChild(std::move(metadata)));</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>  RCHECK(root.AddChild(std::move(body)));</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  *result = root.ToString(<span class="comment">/* comment= */</span> <span class="stringliteral">""</span>);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="keywordtype">bool</span> TtmlGenerator::AddSampleToXml(<span class="keyword">const</span> TextSample& sample,</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  xml::XmlNode* body,</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  xml::XmlNode* metadata,</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">size_t</span>* image_count)<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  xml::XmlNode p(<span class="stringliteral">"p"</span>);</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"xml:space"</span>, <span class="stringliteral">"preserve"</span>));</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"begin"</span>,</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  ToTtmlTime(sample.start_time(), time_scale_)));</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  RCHECK(</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  p.SetStringAttribute(<span class="stringliteral">"end"</span>, ToTtmlTime(sample.EndTime(), time_scale_)));</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  RCHECK(ConvertFragmentToXml(sample.body(), &p, metadata, image_count));</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (!sample.id().empty())</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"xml:id"</span>, sample.id()));</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& settings = sample.settings();</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (settings.line || settings.position || settings.width || settings.height) {</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// TTML positioning needs to be from a region.</span></div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (!settings.region.empty()) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  LOG(WARNING)</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  << <span class="stringliteral">"Using both text regions and positioning isn't supported in TTML"</span>;</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
|
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
|
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <span class="keyword">auto</span> origin = ToTtmlSize(</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  settings.position.value_or(TextNumber(0, TextUnitType::kPixels)),</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  settings.line.value_or(TextNumber(0, TextUnitType::kPixels)));</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">const</span> <span class="keyword">auto</span> extent = ToTtmlSize(</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  settings.width.value_or(TextNumber(100, TextUnitType::kPercent)),</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  settings.height.value_or(TextNumber(100, TextUnitType::kPercent)));</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="keyword">const</span> std::string <span class="keywordtype">id</span> = kRegionIdPrefix + std::to_string(region_id_++);</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  xml::XmlNode region(<span class="stringliteral">"region"</span>);</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"xml:id"</span>, <span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"tts:origin"</span>, origin));</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  RCHECK(region.SetStringAttribute(<span class="stringliteral">"tts:extent"</span>, extent));</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"region"</span>, <span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  RCHECK(body->AddChild(std::move(region)));</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!settings.region.empty()) {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"region"</span>, settings.region));</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> (settings.writing_direction != WritingDirection::kHorizontal) {</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <span class="keywordtype">char</span>* dir =</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  settings.writing_direction == WritingDirection::kVerticalGrowingLeft</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  ? <span class="stringliteral">"tbrl"</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  : <span class="stringliteral">"tblr"</span>;</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"tts:writingMode"</span>, dir));</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>  <span class="keywordflow">if</span> (settings.text_alignment != TextAlignment::kStart) {</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">switch</span> (settings.text_alignment) {</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">case</span> TextAlignment::kStart: <span class="comment">// To avoid compiler warning.</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">case</span> TextAlignment::kCenter:</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"tts:textAlign"</span>, <span class="stringliteral">"center"</span>));</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">case</span> TextAlignment::kEnd:</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"tts:textAlign"</span>, <span class="stringliteral">"end"</span>));</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">case</span> TextAlignment::kLeft:</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"tts:textAlign"</span>, <span class="stringliteral">"left"</span>));</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">case</span> TextAlignment::kRight:</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  RCHECK(p.SetStringAttribute(<span class="stringliteral">"tts:textAlign"</span>, <span class="stringliteral">"right"</span>));</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  RCHECK(body->AddChild(std::move(p)));</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">bool</span> TtmlGenerator::ConvertFragmentToXml(<span class="keyword">const</span> TextFragment& body,</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  xml::XmlNode* parent,</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  xml::XmlNode* metadata,</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">size_t</span>* image_count)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (body.newline) {</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  xml::XmlNode br(<span class="stringliteral">"br"</span>);</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">return</span> parent->AddChild(std::move(br));</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</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>  <span class="comment">// If we have new styles, add a new <span>.</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  xml::XmlNode span(<span class="stringliteral">"span"</span>);</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  xml::XmlNode* node = parent;</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span> (body.style.bold || body.style.italic || body.style.underline) {</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  node = &span;</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span> (body.style.bold) {</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  RCHECK(span.SetStringAttribute(<span class="stringliteral">"tts:fontWeight"</span>,</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  *body.style.bold ? <span class="stringliteral">"bold"</span> : <span class="stringliteral">"normal"</span>));</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (body.style.italic) {</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  RCHECK(span.SetStringAttribute(<span class="stringliteral">"tts:fontStyle"</span>,</div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  *body.style.italic ? <span class="stringliteral">"italic"</span> : <span class="stringliteral">"normal"</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="keywordflow">if</span> (body.style.underline) {</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  RCHECK(span.SetStringAttribute(</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="stringliteral">"tts:textDecoration"</span>,</div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  *body.style.underline ? <span class="stringliteral">"underline"</span> : <span class="stringliteral">"noUnderline"</span>));</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordflow">if</span> (!body.body.empty()) {</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  node->AddContent(body.body);</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!body.image.empty()) {</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  std::string image_data(body.image.begin(), body.image.end());</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  std::string base64_data;</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  base::Base64Encode(image_data, &base64_data);</div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  std::string <span class="keywordtype">id</span> = <span class="stringliteral">"img_"</span> + std::to_string(++*image_count);</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>  xml::XmlNode image_xml(<span class="stringliteral">"smpte:image"</span>);</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  RCHECK(image_xml.SetStringAttribute(<span class="stringliteral">"imageType"</span>, <span class="stringliteral">"PNG"</span>));</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  RCHECK(image_xml.SetStringAttribute(<span class="stringliteral">"encoding"</span>, <span class="stringliteral">"Base64"</span>));</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  RCHECK(image_xml.SetStringAttribute(<span class="stringliteral">"xml:id"</span>, <span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  image_xml.SetContent(base64_data);</div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  RCHECK(metadata->AddChild(std::move(image_xml)));</div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  RCHECK(node->SetStringAttribute(<span class="stringliteral">"smpte:backgroundImage"</span>, <span class="stringliteral">"#"</span> + <span class="keywordtype">id</span>));</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& frag : body.sub_fragments) {</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (!ConvertFragmentToXml(frag, node, metadata, image_count))</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (body.style.bold || body.style.italic || body.style.underline)</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  RCHECK(parent->AddChild(std::move(span)));</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> } <span class="comment">// namespace ttml</span></div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> } <span class="comment">// namespace shaka</span></div>
|
|
<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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