shaka-packager/docs/d5/d28/webvtt__utils_8cc_source.html

418 lines
50 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Shaka Packager SDK: packager/media/formats/webvtt/webvtt_utils.cc Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">Shaka Packager SDK
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "../../search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_7fa7c3de4a91b9652697b9f1c2d38e70.html">webvtt</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">webvtt_utils.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2017 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webvtt/webvtt_utils.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;ctype.h&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;inttypes.h&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;unordered_set&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/base/logging.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/string_number_conversions.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/string_util.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/base/strings/stringprintf.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keywordtype">bool</span> GetTotalMilliseconds(uint64_t hours,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; uint64_t minutes,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; uint64_t seconds,</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; uint64_t ms,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; uint64_t* out) {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; DCHECK(out);</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="keywordflow">if</span> (minutes &gt; 59 || seconds &gt; 59 || ms &gt; 999) {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; VLOG(1) &lt;&lt; <span class="stringliteral">&quot;Hours:&quot;</span> &lt;&lt; hours &lt;&lt; <span class="stringliteral">&quot; Minutes:&quot;</span> &lt;&lt; minutes</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; &lt;&lt; <span class="stringliteral">&quot; Seconds:&quot;</span> &lt;&lt; seconds &lt;&lt; <span class="stringliteral">&quot; MS:&quot;</span> &lt;&lt; ms</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; &lt;&lt; <span class="stringliteral">&quot; shoud have never made it to GetTotalMilliseconds&quot;</span>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; *out = 60 * 60 * 1000 * hours + 60 * 1000 * minutes + 1000 * seconds + ms;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;}</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">enum class</span> StyleTagKind {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; kUnderline,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; kBold,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; kItalic,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;};</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;std::string GetOpenTag(StyleTagKind tag) {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">switch</span> (tag) {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kUnderline:</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;u&gt;&quot;</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kBold:</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;b&gt;&quot;</span>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kItalic:</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;i&gt;&quot;</span>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>; <span class="comment">// Not reached, but Windows doesn&#39;t like NOTREACHED.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;}</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;std::string GetCloseTag(StyleTagKind tag) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">switch</span> (tag) {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kUnderline:</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;/u&gt;&quot;</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kBold:</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;/b&gt;&quot;</span>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">case</span> StyleTagKind::kItalic:</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&lt;/i&gt;&quot;</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;&quot;</span>; <span class="comment">// Not reached, but Windows doesn&#39;t like NOTREACHED.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;}</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="keywordtype">bool</span> IsWhitespace(<span class="keywordtype">char</span> c) {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">return</span> c == <span class="charliteral">&#39;\t&#39;</span> || c == <span class="charliteral">&#39;\r&#39;</span> || c == <span class="charliteral">&#39;\n&#39;</span> || c == <span class="charliteral">&#39; &#39;</span>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="comment">// Replace consecutive whitespaces with a single whitespace.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;std::string CollapseWhitespace(<span class="keyword">const</span> std::string&amp; data) {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; std::string output;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; output.resize(data.size());</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">size_t</span> chars_written = 0;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordtype">bool</span> in_whitespace = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">char</span> c : data) {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">if</span> (IsWhitespace(c)) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">if</span> (!in_whitespace) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; in_whitespace = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; output[chars_written++] = <span class="charliteral">&#39; &#39;</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; in_whitespace = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; output[chars_written++] = c;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; output.resize(chars_written);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> output;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;}</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;std::string WriteFragment(<span class="keyword">const</span> TextFragment&amp; fragment,</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; std::list&lt;StyleTagKind&gt;* tags) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; std::string ret;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordtype">size_t</span> local_tag_count = 0;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keyword">auto</span> has = [tags](StyleTagKind tag) {</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> std::find(tags-&gt;begin(), tags-&gt;end(), tag) != tags-&gt;end();</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; };</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keyword">auto</span> push_tag = [tags, &amp;local_tag_count, &amp;has](StyleTagKind tag) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">if</span> (has(tag)) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> std::string();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; tags-&gt;push_back(tag);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; local_tag_count++;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">return</span> GetOpenTag(tag);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; };</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">if</span> ((fragment.style.underline == <span class="keyword">false</span> &amp;&amp; has(StyleTagKind::kUnderline)) ||</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; (fragment.style.bold == <span class="keyword">false</span> &amp;&amp; has(StyleTagKind::kBold)) ||</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; (fragment.style.italic == <span class="keyword">false</span> &amp;&amp; has(StyleTagKind::kItalic))) {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;WebVTT output doesn&#39;t support disabling &quot;</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="stringliteral">&quot;underline/bold/italic within a cue&quot;</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">if</span> (fragment.newline) {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="comment">// Newlines represent separate WebVTT cues. So close the existing tags to</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="comment">// be nice and re-open them on the new line.</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> it = tags-&gt;rbegin(); it != tags-&gt;rend(); it++) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; ret += GetCloseTag(*it);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; ret += <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span> tag : *tags) {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; ret += GetOpenTag(tag);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">if</span> (fragment.style.underline == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; ret += push_tag(StyleTagKind::kUnderline);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordflow">if</span> (fragment.style.bold == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; ret += push_tag(StyleTagKind::kBold);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span> (fragment.style.italic == <span class="keyword">true</span>) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; ret += push_tag(StyleTagKind::kItalic);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">if</span> (!fragment.body.empty()) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// Replace newlines and consecutive whitespace with a single space. If</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// the user wanted an explicit newline, they should use the &quot;newline&quot;</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// field.</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; ret += CollapseWhitespace(fragment.body);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; frag : fragment.sub_fragments) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; ret += WriteFragment(frag, tags);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="comment">// Pop all the local tags we pushed.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">while</span> (local_tag_count &gt; 0) {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; ret += GetCloseTag(tags-&gt;back());</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; tags-&gt;pop_back();</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; local_tag_count--;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; }</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;}</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160;<span class="keywordtype">bool</span> WebVttTimestampToMs(<span class="keyword">const</span> base::StringPiece&amp; source, uint64_t* out) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; DCHECK(out);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">if</span> (source.length() &lt; 9) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Timestamp &#39;&quot;</span> &lt;&lt; source &lt;&lt; <span class="stringliteral">&quot;&#39; is mal-formed&quot;</span>;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; }</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> minutes_begin = source.length() - 9;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> seconds_begin = source.length() - 6;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">const</span> <span class="keywordtype">size_t</span> milliseconds_begin = source.length() - 3;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; uint64_t hours = 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; uint64_t minutes = 0;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; uint64_t seconds = 0;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; uint64_t ms = 0;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> has_hours =</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; minutes_begin &gt;= 3 &amp;&amp; source[minutes_begin - 1] == <span class="charliteral">&#39;:&#39;</span> &amp;&amp;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; base::StringToUint64(source.substr(0, minutes_begin - 1), &amp;hours);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">if</span> ((minutes_begin == 0 || has_hours) &amp;&amp; source[seconds_begin - 1] == <span class="charliteral">&#39;:&#39;</span> &amp;&amp;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; source[milliseconds_begin - 1] == <span class="charliteral">&#39;.&#39;</span> &amp;&amp;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; base::StringToUint64(source.substr(minutes_begin, 2), &amp;minutes) &amp;&amp;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; base::StringToUint64(source.substr(seconds_begin, 2), &amp;seconds) &amp;&amp;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; base::StringToUint64(source.substr(milliseconds_begin, 3), &amp;ms)) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keywordflow">return</span> GetTotalMilliseconds(hours, minutes, seconds, ms, out);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; }</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Timestamp &#39;&quot;</span> &lt;&lt; source &lt;&lt; <span class="stringliteral">&quot;&#39; is mal-formed&quot;</span>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160;}</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;std::string MsToWebVttTimestamp(uint64_t ms) {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; uint64_t remaining = ms;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; uint64_t only_ms = remaining % 1000;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; remaining /= 1000;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; uint64_t only_seconds = remaining % 60;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; remaining /= 60;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; uint64_t only_minutes = remaining % 60;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; remaining /= 60;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; uint64_t only_hours = remaining;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordflow">return</span> base::StringPrintf(<span class="stringliteral">&quot;%02&quot;</span> PRIu64 <span class="stringliteral">&quot;:%02&quot;</span> PRIu64 <span class="stringliteral">&quot;:%02&quot;</span> PRIu64</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="stringliteral">&quot;.%03&quot;</span> PRIu64,</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; only_hours, only_minutes, only_seconds, only_ms);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;}</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;std::string WebVttSettingsToString(<span class="keyword">const</span> TextSettings&amp; settings) {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; std::string ret;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keywordflow">if</span> (!settings.region.empty()) {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; ret += <span class="stringliteral">&quot; region:&quot;</span>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; ret += settings.region;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">if</span> (settings.line) {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">switch</span> (settings.line-&gt;type) {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">case</span> TextUnitType::kPercent:</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; ret += <span class="stringliteral">&quot; line:&quot;</span>;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; ret += base::DoubleToString(settings.line-&gt;value);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; ret += <span class="stringliteral">&quot;%&quot;</span>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">case</span> TextUnitType::kLines:</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; ret += <span class="stringliteral">&quot; line:&quot;</span>;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; ret += base::DoubleToString(settings.line-&gt;value);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordflow">case</span> TextUnitType::kPixels:</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;WebVTT doesn&#39;t support pixel line settings&quot;</span>;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; }</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">if</span> (settings.position) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keywordflow">if</span> (settings.position-&gt;type == TextUnitType::kPercent) {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; ret += <span class="stringliteral">&quot; position:&quot;</span>;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; ret += base::DoubleToString(settings.position-&gt;value);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; ret += <span class="stringliteral">&quot;%&quot;</span>;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;WebVTT only supports percent position settings&quot;</span>;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; }</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">if</span> (settings.width) {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordflow">if</span> (settings.width-&gt;type == TextUnitType::kPercent) {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; ret += <span class="stringliteral">&quot; size:&quot;</span>;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; ret += base::DoubleToString(settings.width-&gt;value);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; ret += <span class="stringliteral">&quot;%&quot;</span>;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;WebVTT only supports percent width settings&quot;</span>;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; }</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="keywordflow">if</span> (settings.height) {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;WebVTT doesn&#39;t support cue heights&quot;</span>;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="keywordflow">if</span> (settings.writing_direction != WritingDirection::kHorizontal) {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; ret += <span class="stringliteral">&quot; direction:&quot;</span>;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="keywordflow">if</span> (settings.writing_direction == WritingDirection::kVerticalGrowingLeft) {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; ret += <span class="stringliteral">&quot;rl&quot;</span>;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; ret += <span class="stringliteral">&quot;lr&quot;</span>;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; }</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordflow">switch</span> (settings.text_alignment) {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">case</span> TextAlignment::kStart:</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; ret += <span class="stringliteral">&quot; align:start&quot;</span>;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keywordflow">case</span> TextAlignment::kEnd:</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; ret += <span class="stringliteral">&quot; align:end&quot;</span>;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordflow">case</span> TextAlignment::kLeft:</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; ret += <span class="stringliteral">&quot; align:left&quot;</span>;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordflow">case</span> TextAlignment::kRight:</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; ret += <span class="stringliteral">&quot; align:right&quot;</span>;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="keywordflow">case</span> TextAlignment::kCenter:</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; ret += <span class="stringliteral">&quot; align:center&quot;</span>;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="keywordflow">if</span> (!ret.empty()) {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; DCHECK_EQ(ret[0], <span class="charliteral">&#39; &#39;</span>);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; ret.erase(0, 1);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; }</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160;}</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;std::string WebVttFragmentToString(<span class="keyword">const</span> TextFragment&amp; fragment) {</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; std::list&lt;StyleTagKind&gt; tags;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; <span class="keywordflow">return</span> WriteFragment(fragment, &amp;tags);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;}</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;std::string WebVttGetPreamble(<span class="keyword">const</span> TextStreamInfo&amp; stream_info) {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; std::string ret;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; pair : stream_info.regions()) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keywordflow">if</span> (!ret.empty()) {</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; ret += <span class="stringliteral">&quot;\n\n&quot;</span>;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; }</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="keywordflow">if</span> (pair.second.width.type != TextUnitType::kPercent ||</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; pair.second.height.type != TextUnitType::kLines ||</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; pair.second.window_anchor_x.type != TextUnitType::kPercent ||</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; pair.second.window_anchor_y.type != TextUnitType::kPercent ||</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; pair.second.region_anchor_x.type != TextUnitType::kPercent ||</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; pair.second.region_anchor_y.type != TextUnitType::kPercent) {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Unsupported unit type in WebVTT region&quot;</span>;</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; }</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; base::StringAppendF(</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; &amp;ret,</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="stringliteral">&quot;REGION\n&quot;</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="stringliteral">&quot;id:%s\n&quot;</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="stringliteral">&quot;width:%f%%\n&quot;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="stringliteral">&quot;lines:%d\n&quot;</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="stringliteral">&quot;viewportanchor:%f%%,%f%%\n&quot;</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="stringliteral">&quot;regionanchor:%f%%,%f%%&quot;</span>,</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; pair.first.c_str(), pair.second.width.value,</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(pair.second.height.value),</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; pair.second.window_anchor_x.value, pair.second.window_anchor_y.value,</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; pair.second.region_anchor_x.value, pair.second.region_anchor_y.value);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="keywordflow">if</span> (pair.second.scroll) {</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; ret += <span class="stringliteral">&quot;\nscroll:up&quot;</span>;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; }</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; }</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; </div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="keywordflow">if</span> (!stream_info.css_styles().empty()) {</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <span class="keywordflow">if</span> (!ret.empty()) {</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; ret += <span class="stringliteral">&quot;\n\n&quot;</span>;</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; }</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; ret += <span class="stringliteral">&quot;STYLE\n&quot;</span> + stream_info.css_styles();</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; }</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160;}</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;} <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>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Thu Jun 10 2021 21:44:26 for Shaka Packager SDK by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
</small></address>
</body>
</html>