<divclass="fragment"><divclass="line"><aname="l00001"></a><spanclass="lineno"> 1</span> <spanclass="comment">// Copyright 2018 Google LLC All rights reserved.</span></div><divclass="line"><aname="l00002"></a><spanclass="lineno"> 2</span> <spanclass="comment">//</span></div><divclass="line"><aname="l00003"></a><spanclass="lineno"> 3</span> <spanclass="comment">// Use of this source code is governed by a BSD-style</span></div><divclass="line"><aname="l00004"></a><spanclass="lineno"> 4</span> <spanclass="comment">// license that can be found in the LICENSE file or at</span></div><divclass="line"><aname="l00005"></a><spanclass="lineno"> 5</span> <spanclass="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><divclass="line"><aname="l00006"></a><spanclass="lineno"> 6</span> </div><divclass="line"><aname="l00007"></a><spanclass="lineno"> 7</span> <spanclass="preprocessor">#include "packager/media/formats/webvtt/webvtt_file_buffer.h"</span></div><divclass="line"><aname="l00008"></a><spanclass="lineno"> 8</span> </div><divclass="line"><aname="l00009"></a><spanclass="lineno"> 9</span> <spanclass="preprocessor">#include "packager/media/base/text_sample.h"</span></div><divclass="line"><aname="l00010"></a><spanclass="lineno"> 10</span> <spanclass="preprocessor">#include "packager/media/formats/webvtt/webvtt_timestamp.h"</span></div><divclass="line"><aname="l00011"></a><spanclass="lineno"> 11</span> </div><divclass="line"><aname="l00012"></a><spanclass="lineno"> 12</span> <spanclass="keyword">namespace </span><aclass="code"href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><divclass="line"><aname="l00013"></a><spanclass="lineno"> 13</span> <spanclass="keyword">namespace </span>media {</div><divclass="line"><aname="l00014"></a><spanclass="lineno"> 14</span> <spanclass="keyword">namespace </span>{</div><divclass="line"><aname="l00015"></a><spanclass="lineno"> 15</span> <spanclass="keyword">const</span><spanclass="keywordtype">char</span>* kHeader = <spanclass="stringliteral">"WEBVTT\n\n"</span>;</div><divclass="line"><aname="l00016"></a><spanclass="lineno"> 16</span> }</div><divclass="line"><aname="l00017"></a><spanclass="lineno"> 17</span> </div><divclass="line"><aname="l00018"></a><spanclass="lineno"> 18</span> WebVttFileBuffer::WebVttFileBuffer() {</div><divclass="line"><aname="l00019"></a><spanclass="lineno"> 19</span> <spanclass="comment">// Make sure we start with the same state that we would end up with if</span></div><divclass="line"><aname="l00020"></a><spanclass="lineno"> 20</span> <spanclass="comment">// the caller reset our state.</span></div><divclass="line"><aname="l00021"></a><spanclass="lineno"> 21</span>  Reset();</div><divclass="line"><aname="l00022"></a><spanclass="lineno"> 22</span> }</div><divclass="line"><aname="l00023"></a><spanclass="lineno"> 23</span> </div><divclass="line"><aname="l00024"></a><spanclass="lineno"> 24</span> <spanclass="keywordtype">void</span> WebVttFileBuffer::Reset() {</div><divclass="line"><aname="l00025"></a><spanclass="lineno"> 25</span>  sample_count_ = 0;</div><divclass="line"><aname="l00026"></a><spanclass="lineno"> 26</span> </div><divclass="line"><aname="l00027"></a><spanclass="lineno"> 27</span>  buffer_.clear();</div><divclass="line"><aname="l00028"></a><spanclass="lineno"> 28</span>  buffer_.append(kHeader);</div><divclass="line"><aname="l00029"></a><spanclass="lineno"> 29</span> }</div><divclass="line"><aname="l00030"></a><spanclass="lineno"> 30</span> </div><divclass="line"><aname="l00031"></a><spanclass="lineno"> 31</span> <spanclass="keywordtype">void</span> WebVttFileBuffer::Append(<spanclass="keyword">const</span> TextSample& sample) {</div><divclass="li