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<div class="title">webvtt_parser.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 2017 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/media/formats/webvtt/webvtt_parser.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/logging.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/string_number_conversions.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/strings/string_split.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/strings/string_util.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/base/text_stream_info.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/formats/webvtt/webvtt_utils.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</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="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>{</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">const</span> uint64_t kStreamIndex = 0;</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> std::string BlockToString(<span class="keyword">const</span> std::string* block, <span class="keywordtype">size_t</span> size) {</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  std::string out = <span class="stringliteral">" --- BLOCK START ---\n"</span>;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < size; i++) {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  out.append(<span class="stringliteral">" "</span>);</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  out.append(block[i]);</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  out.append(<span class="stringliteral">"\n"</span>);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  }</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  out.append(<span class="stringliteral">" --- BLOCK END ---"</span>);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">return</span> out;</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>  </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// Comments are just blocks that are preceded by a blank line, start with the</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// word "NOTE" (followed by a space or newline), and end at the first blank</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// line.</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// SOURCE: https://www.w3.org/TR/webvtt1</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keywordtype">bool</span> IsLikelyNote(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> line == <span class="stringliteral">"NOTE"</span> ||</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  base::StartsWith(line, <span class="stringliteral">"NOTE "</span>, base::CompareCase::SENSITIVE) ||</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  base::StartsWith(line, <span class="stringliteral">"NOTE\t"</span>, base::CompareCase::SENSITIVE);</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>  </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// As cue time is the only part of a WEBVTT file that is allowed to have</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// "-->" appear, then if the given line contains it, we can safely assume</span></div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// that the line is likely to be a cue time.</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keywordtype">bool</span> IsLikelyCueTiming(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> line.find(<span class="stringliteral">"-->"</span>) != std::string::npos;</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// A WebVTT cue identifier is any sequence of one or more characters not</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// containing the substring "-->" (U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS,</span></div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// U+003E GREATER-THAN SIGN), nor containing any U+000A LINE FEED (LF)</span></div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">// characters or U+000D CARRIAGE RETURN (CR) characters.</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// SOURCE: https://www.w3.org/TR/webvtt1/#webvtt-cue-identifier</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">bool</span> MaybeCueId(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> line.find(<span class="stringliteral">"-->"</span>) == std::string::npos;</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="comment">// Check to see if the block is likely a style block. Style blocks are</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">// identified as any block that starts with a line that only contains</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">// "STYLE".</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment">// SOURCE: https://w3c.github.io/webvtt/#styling</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keywordtype">bool</span> IsLikelyStyle(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> base::TrimWhitespaceASCII(line, base::TRIM_TRAILING) == <span class="stringliteral">"STYLE"</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">// Check to see if the block is likely a region block. Region blocks are</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">// identified as any block that starts with a line that only contains</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">// "REGION".</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// SOURCE: https://w3c.github.io/webvtt/#webvtt-region</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">bool</span> IsLikelyRegion(<span class="keyword">const</span> std::string& line) {</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> base::TrimWhitespaceASCII(line, base::TRIM_TRAILING) == <span class="stringliteral">"REGION"</span>;</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">bool</span> ParsePercent(<span class="keyword">const</span> std::string& str, <span class="keywordtype">float</span>* value) {</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// https://www.w3.org/TR/webvtt1/#webvtt-percentage</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// E.g. "4%" or "1.5%"</span></div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (str[str.size() - 1] != <span class="charliteral">'%'</span>) {</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">double</span> temp;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (!base::StringToDouble(str.substr(0, str.size() - 1), &temp) ||</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  temp >= 100) {</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  *value = temp;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keywordtype">bool</span> ParseDoublePercent(<span class="keyword">const</span> std::string& str, <span class="keywordtype">float</span>* a, <span class="keywordtype">float</span>* b) {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">auto</span> percents = base::SplitString(str, <span class="stringliteral">","</span>, base::TRIM_WHITESPACE,</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  base::SPLIT_WANT_NONEMPTY);</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (percents.size() != 2) {</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  <span class="keywordtype">float</span> temp_a, temp_b;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (!ParsePercent(percents[0], &temp_a) ||</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  !ParsePercent(percents[1], &temp_b)) {</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  *a = temp_a;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  *b = temp_b;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">void</span> ParseSettings(<span class="keyword">const</span> std::string& <span class="keywordtype">id</span>,</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">const</span> std::string& value,</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  TextSettings* settings) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// https://www.w3.org/TR/webvtt1/#ref-for-parse-the-webvtt-cue-settings-1</span></div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"region"</span>) {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  settings->region = value;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"vertical"</span>) {</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (value == <span class="stringliteral">"rl"</span>) {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  settings->writing_direction = WritingDirection::kVerticalGrowingLeft;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value == <span class="stringliteral">"lr"</span>) {</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  settings->writing_direction = WritingDirection::kVerticalGrowingRight;</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT vertical setting: "</span> << value;</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>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"line"</span>) {</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = value.find(<span class="charliteral">','</span>);</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">const</span> std::string line = value.substr(0, pos);</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> std::string align =</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  pos != std::string::npos ? value.substr(pos + 1) : <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (pos != std::string::npos) {</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  LOG(WARNING) << <span class="stringliteral">"WebVTT line alignment isn't supported"</span>;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (!line.empty() && line[line.size() - 1] == <span class="charliteral">'%'</span>) {</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">float</span> temp;</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (!ParsePercent(line, &temp)) {</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT line: "</span> << value;</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  settings->line.emplace(temp, TextUnitType::kPercent);</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">double</span> temp;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (!base::StringToDouble(line, &temp)) {</div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT line: "</span> << value;</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</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>  settings->line.emplace(temp, TextUnitType::kLines);</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"position"</span>) {</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = value.find(<span class="charliteral">','</span>);</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> std::string position = value.substr(0, pos);</div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> std::string align =</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  pos != std::string::npos ? value.substr(pos + 1) : <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (pos != std::string::npos) {</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  LOG(WARNING) << <span class="stringliteral">"WebVTT position alignment isn't supported"</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>  </div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">float</span> temp;</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (ParsePercent(position, &temp)) {</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  settings->position.emplace(temp, TextUnitType::kPercent);</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT position: "</span> << value;</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>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"size"</span>) {</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">float</span> temp;</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> (ParsePercent(value, &temp)) {</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  settings->width.emplace(temp, TextUnitType::kPercent);</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT size: "</span> << value;</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == <span class="stringliteral">"align"</span>) {</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (value == <span class="stringliteral">"start"</span>) {</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  settings->text_alignment = TextAlignment::kStart;</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value == <span class="stringliteral">"center"</span> || value == <span class="stringliteral">"middle"</span>) {</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  settings->text_alignment = TextAlignment::kCenter;</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value == <span class="stringliteral">"end"</span>) {</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  settings->text_alignment = TextAlignment::kEnd;</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value == <span class="stringliteral">"left"</span>) {</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  settings->text_alignment = TextAlignment::kLeft;</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value == <span class="stringliteral">"right"</span>) {</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  settings->text_alignment = TextAlignment::kRight;</div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  LOG(WARNING) << <span class="stringliteral">"Invalid WebVTT align: "</span> << value;</div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  LOG(WARNING) << <span class="stringliteral">"Unknown WebVTT setting: "</span> << id;</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</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>  </div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> } <span class="comment">// namespace</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> WebVttParser::WebVttParser() {}</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb"> 193</a></span> <span class="keywordtype">void</span> <a class="code" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb">WebVttParser::Init</a>(<span class="keyword">const</span> InitCB& init_cb,</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#ad86528c837c0a773f7e853c38a4a3af2">NewMediaSampleCB</a>& new_media_sample_cb,</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a1df661cd2b63498a87d6a253f6f7c195">NewTextSampleCB</a>& new_text_sample_cb,</div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* decryption_key_source) {</div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  DCHECK(init_cb_.is_null());</div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  DCHECK(!init_cb.is_null());</div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  DCHECK(!new_text_sample_cb.is_null());</div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  DCHECK(!decryption_key_source) << <span class="stringliteral">"Encrypted WebVTT not supported"</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>  init_cb_ = init_cb;</div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  new_text_sample_cb_ = new_text_sample_cb;</div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91"> 206</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91">WebVttParser::Flush</a>() {</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  reader_.<a class="code" href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a9ea2f0207b36f6adf1314796c701cc9f">Flush</a>();</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d">Parse</a>();</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>  </div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d"> 211</a></span> <span class="keywordtype">bool</span> WebVttParser::Parse(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size) {</div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  reader_.<a class="code" href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a3db5ba0a907ab3d9332e8d2eac23c9c8">PushData</a>(buf, size);</div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d">Parse</a>();</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> }</div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="keywordtype">bool</span> WebVttParser::Parse() {</div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (!initialized_) {</div>
|
|
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  std::vector<std::string> block;</div>
|
|
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (!reader_.<a class="code" href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d">Next</a>(&block)) {</div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Check the header. It is possible for a 0xFEFF BOM to come before the</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// header text.</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (block.size() != 1) {</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  LOG(ERROR) << <span class="stringliteral">"Failed to read WEBVTT header - "</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  << <span class="stringliteral">"block size should be 1 but was "</span> << block.size() << <span class="stringliteral">"."</span>;</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (block[0] != <span class="stringliteral">"WEBVTT"</span> && block[0] != <span class="stringliteral">"\xEF\xBB\xBFWEBVTT"</span>) {</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  LOG(ERROR) << <span class="stringliteral">"Failed to read WEBVTT header - should be WEBVTT but was "</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  << block[0];</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  initialized_ = <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>  std::vector<std::string> block;</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">while</span> (reader_.<a class="code" href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d">Next</a>(&block)) {</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (!ParseBlock(block))</div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  </div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="keywordtype">bool</span> WebVttParser::ParseBlock(<span class="keyword">const</span> std::vector<std::string>& block) {</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="comment">// NOTE</span></div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (IsLikelyNote(block[0])) {</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// We can safely ignore the whole block.</span></div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// STYLE</span></div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">if</span> (IsLikelyStyle(block[0])) {</div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (saw_cue_) {</div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  LOG(WARNING)</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  << <span class="stringliteral">"Found style block after seeing cue. Ignoring style block"</span>;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i < block.size(); i++) {</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (!css_styles_.empty())</div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  css_styles_ += <span class="stringliteral">"\n"</span>;</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  css_styles_ += block[i];</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>  }</div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// REGION</span></div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (IsLikelyRegion(block[0])) {</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">if</span> (saw_cue_) {</div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  LOG(WARNING)</div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  << <span class="stringliteral">"Found region block after seeing cue. Ignoring region block"</span>;</div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> ParseRegion(block);</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>  }</div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// CUE with ID</span></div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (block.size() >= 2 && MaybeCueId(block[0]) &&</div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  IsLikelyCueTiming(block[1]) && ParseCueWithId(block)) {</div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  saw_cue_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// CUE with no ID</span></div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (IsLikelyCueTiming(block[0]) && ParseCueWithNoId(block)) {</div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  saw_cue_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  LOG(ERROR) << <span class="stringliteral">"Failed to determine block classification:\n"</span></div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  << BlockToString(block.data(), block.size());</div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keywordtype">bool</span> WebVttParser::ParseRegion(<span class="keyword">const</span> std::vector<std::string>& block) {</div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  TextRegion region;</div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  std::string region_id;</div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// Fill in defaults. Some may already be this, but set them anyway.</span></div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// See https://www.w3.org/TR/webvtt1/#regions</span></div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  region.width.value = 100;</div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  region.width.type = TextUnitType::kPercent;</div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  region.height.value = 3;</div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  region.height.type = TextUnitType::kLines;</div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  region.window_anchor_x.value = 0;</div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  region.window_anchor_x.type = TextUnitType::kPercent;</div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  region.window_anchor_y.value = 100;</div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  region.window_anchor_y.type = TextUnitType::kPercent;</div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  region.region_anchor_x.value = 0;</div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  region.region_anchor_x.type = TextUnitType::kPercent;</div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  region.region_anchor_y.value = 100;</div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  region.region_anchor_y.type = TextUnitType::kPercent;</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>  <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& line : block) {</div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// First line is "REGION", skip.</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (first) {</div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  first = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">continue</span>;</div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  }</div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  base::StringPairs pairs;</div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">if</span> (!base::SplitStringIntoKeyValuePairs(line, <span class="charliteral">':'</span>, <span class="charliteral">' '</span>, &pairs)) {</div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT settings: "</span> << line;</div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : pairs) {</div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">const</span> std::string& value = pair.second;</div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"id"</span>) {</div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (value.find(<span class="stringliteral">"-->"</span>) != std::string::npos) {</div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION ID: "</span> << value;</div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (regions_.find(value) != regions_.end()) {</div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  LOG(ERROR) << <span class="stringliteral">"Duplicate WebVTT REGION: "</span> << value;</div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  region_id = value;</div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"width"</span>) {</div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">if</span> (!ParsePercent(value, &region.width.value)) {</div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION width: "</span> << value;</div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"lines"</span>) {</div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> temp;</div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (!base::StringToUint(value, &temp)) {</div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION lines: "</span> << value;</div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  region.height.value = temp;</div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"regionanchor"</span>) {</div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (!ParseDoublePercent(value, &region.region_anchor_x.value,</div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  &region.region_anchor_y.value)) {</div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION regionanchor: "</span> << value;</div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"viewportanchor"</span>) {</div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">if</span> (!ParseDoublePercent(value, &region.window_anchor_x.value,</div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  &region.window_anchor_y.value)) {</div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION windowanchor: "</span> << value;</div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pair.first == <span class="stringliteral">"scroll"</span>) {</div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span> (value != <span class="stringliteral">"up"</span>) {</div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  LOG(ERROR) << <span class="stringliteral">"Invalid WebVTT REGION scroll: "</span> << value;</div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  region.scroll = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  LOG(ERROR) << <span class="stringliteral">"Unknown WebVTT REGION setting: "</span> << pair.first;</div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">if</span> (region_id.empty()) {</div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  LOG(ERROR) << <span class="stringliteral">"WebVTT REGION id is required"</span>;</div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  }</div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  regions_.insert(std::make_pair(region_id, std::move(region)));</div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> }</div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  </div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="keywordtype">bool</span> WebVttParser::ParseCueWithNoId(<span class="keyword">const</span> std::vector<std::string>& block) {</div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> ParseCue(<span class="stringliteral">""</span>, block.data(), block.size());</div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="keywordtype">bool</span> WebVttParser::ParseCueWithId(<span class="keyword">const</span> std::vector<std::string>& block) {</div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> ParseCue(block[0], block.data() + 1, block.size() - 1);</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="keywordtype">bool</span> WebVttParser::ParseCue(<span class="keyword">const</span> std::string& <span class="keywordtype">id</span>,</div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">const</span> std::string* block,</div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordtype">size_t</span> block_size) {</div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">const</span> std::vector<std::string> time_and_style = base::SplitString(</div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  block[0], <span class="stringliteral">" "</span>, base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);</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>  uint64_t start_time = 0;</div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  uint64_t end_time = 0;</div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> parsed_time =</div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  time_and_style.size() >= 3 && time_and_style[1] == <span class="stringliteral">"-->"</span> &&</div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  WebVttTimestampToMs(time_and_style[0], &start_time) &&</div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  WebVttTimestampToMs(time_and_style[2], &end_time);</div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  </div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">if</span> (!parsed_time) {</div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  LOG(ERROR) << <span class="stringliteral">"Could not parse start time, -->, and end time from "</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  << block[0];</div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  }</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>  <span class="keywordflow">if</span> (!stream_info_dispatched_)</div>
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<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  DispatchTextStreamInfo();</div>
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<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
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<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="comment">// According to the WebVTT spec end time must be greater than the start time</span></div>
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<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// of the cue. Since we are seeing content with invalid times in the field, we</span></div>
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<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="comment">// are going to drop the cue instead of failing to package.</span></div>
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<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// For more context see:</span></div>
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<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// - https://www.w3.org/TR/webvtt1/#webvtt-cue-timings</span></div>
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<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// - https://github.com/google/shaka-packager/issues/335</span></div>
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<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="comment">// - https://github.com/google/shaka-packager/issues/425</span></div>
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<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">//</span></div>
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<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// Print a warning so that those packaging content can know that their</span></div>
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<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="comment">// content is not spec compliant.</span></div>
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<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (end_time <= start_time) {</div>
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<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  LOG(WARNING) << <span class="stringliteral">"WebVTT input is not spec compliant. Start time ("</span></div>
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<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  << start_time << <span class="stringliteral">") should be less than end time ("</span> << end_time</div>
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<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  << <span class="stringliteral">"). Skipping webvtt cue:"</span></div>
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<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  << BlockToString(block, block_size);</div>
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<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
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<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  </div>
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<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  TextSettings settings;</div>
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<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 3; i < time_and_style.size(); i++) {</div>
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<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keyword">const</span> <span class="keyword">auto</span> pos = time_and_style[i].find(<span class="charliteral">':'</span>);</div>
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<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">if</span> (pos == std::string::npos) {</div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">continue</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>  </div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keyword">const</span> std::string key = time_and_style[i].substr(0, pos);</div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keyword">const</span> std::string value = time_and_style[i].substr(pos + 1);</div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  ParseSettings(key, value, &settings);</div>
|
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<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div>
|
|
<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="comment">// The rest of the block is the payload.</span></div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// TODO: Parse tags to support <b>, <i>, etc.</span></div>
|
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<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  TextFragment body;</div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  TextFragmentStyle no_styles;</div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 1; i < block_size; i++) {</div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">if</span> (i > 1) {</div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  body.sub_fragments.emplace_back(no_styles, <span class="comment">/* newline= */</span> <span class="keyword">true</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>  body.sub_fragments.emplace_back(no_styles, block[i]);</div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keyword">const</span> <span class="keyword">auto</span> sample =</div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  std::make_shared<TextSample>(<span class="keywordtype">id</span>, start_time, end_time, settings, body);</div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">return</span> new_text_sample_cb_.Run(kStreamIndex, sample);</div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> }</div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  </div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="keywordtype">void</span> WebVttParser::DispatchTextStreamInfo() {</div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  stream_info_dispatched_ = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  </div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kTrackId = 0;</div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="comment">// The resolution of timings are in milliseconds.</span></div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kTimescale = 1000;</div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="comment">// The duration passed here is not very important. Also the whole file</span></div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">// must be read before determining the real duration which doesn't</span></div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// work nicely with the current demuxer.</span></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kDuration = 0;</div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> kWebVttCodecString[] = <span class="stringliteral">"wvtt"</span>;</div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keyword">const</span> int64_t kNoWidth = 0;</div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keyword">const</span> int64_t kNoHeight = 0;</div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// The language of the stream will be overwritten by the Demuxer later.</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> kNoLanguage[] = <span class="stringliteral">""</span>;</div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  </div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keyword">const</span> <span class="keyword">auto</span> stream = std::make_shared<TextStreamInfo>(</div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  kTrackId, kTimescale, kDuration, kCodecWebVtt, kWebVttCodecString, <span class="stringliteral">""</span>,</div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  kNoWidth, kNoHeight, kNoLanguage);</div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  stream->set_css_styles(css_styles_);</div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& pair : regions_)</div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  stream->AddRegion(pair.first, pair.second);</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>  std::vector<std::shared_ptr<StreamInfo>> streams{stream};</div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  init_cb_.Run(streams);</div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</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> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> } <span class="comment">// namespace shaka</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassshaka_1_1media_1_1BlockReader_html_a9ea2f0207b36f6adf1314796c701cc9f"><div class="ttname"><a href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a9ea2f0207b36f6adf1314796c701cc9f">shaka::media::BlockReader::Flush</a></div><div class="ttdeci">void Flush()</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d51/text__readers_8cc_source.html#l00103">text_readers.cc:103</a></div></div>
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|
<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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<div class="ttc" id="aclassshaka_1_1media_1_1MediaParser_html_ad86528c837c0a773f7e853c38a4a3af2"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#ad86528c837c0a773f7e853c38a4a3af2">shaka::media::MediaParser::NewMediaSampleCB</a></div><div class="ttdeci">base::Callback< bool(uint32_t track_id, std::shared_ptr< MediaSample > media_sample)> NewMediaSampleCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00044">media_parser.h:44</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1WebVttParser_html_aa38d64a81319d43a1194d26e9a39ac1d"><div class="ttname"><a href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d">shaka::media::WebVttParser::Parse</a></div><div class="ttdeci">bool Parse(const uint8_t *buf, int size) override</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d04/webvtt__parser_8cc_source.html#l00211">webvtt_parser.cc:211</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition.</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00051">key_source.h:51</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1MediaParser_html_a1df661cd2b63498a87d6a253f6f7c195"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a1df661cd2b63498a87d6a253f6f7c195">shaka::media::MediaParser::NewTextSampleCB</a></div><div class="ttdeci">base::Callback< bool(uint32_t track_id, std::shared_ptr< TextSample > text_sample)> NewTextSampleCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00053">media_parser.h:53</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1WebVttParser_html_a748578474cffb5e3a817a2eeeca50abb"><div class="ttname"><a href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb">shaka::media::WebVttParser::Init</a></div><div class="ttdeci">void Init(const InitCB &init_cb, const NewMediaSampleCB &new_media_sample_cb, const NewTextSampleCB &new_text_sample_cb, KeySource *decryption_key_source) override</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d04/webvtt__parser_8cc_source.html#l00193">webvtt_parser.cc:193</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1BlockReader_html_a3db5ba0a907ab3d9332e8d2eac23c9c8"><div class="ttname"><a href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a3db5ba0a907ab3d9332e8d2eac23c9c8">shaka::media::BlockReader::PushData</a></div><div class="ttdeci">void PushData(const uint8_t *data, size_t data_size)</div><div class="ttdoc">Pushes data onto the end of the buffer.</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d51/text__readers_8cc_source.html#l00073">text_readers.cc:73</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1BlockReader_html_aaab26080db4e71f585de85c392c9745d"><div class="ttname"><a href="../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d">shaka::media::BlockReader::Next</a></div><div class="ttdeci">bool Next(std::vector< std::string > *out)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d51/text__readers_8cc_source.html#l00078">text_readers.cc:78</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1WebVttParser_html_a521d223f2fe3c80f66cdc3bda8c07e91"><div class="ttname"><a href="../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91">shaka::media::WebVttParser::Flush</a></div><div class="ttdeci">bool Flush() override</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d04/webvtt__parser_8cc_source.html#l00206">webvtt_parser.cc:206</a></div></div>
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</a> 1.8.17
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