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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#ifndef MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_MP2T_TS_SECTION_PSI_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;packager/base/compiler_specific.h&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/byte_queue.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_section.h&quot;</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="keyword">namespace </span>shaka {</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keyword">namespace </span>media {</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="keyword">class </span>BitReader;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">namespace </span>mp2t {</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html"> 19</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html">TsSectionPsi</a> : <span class="keyword">public</span> <a class="code" href="../../da/d1c/classshaka_1_1media_1_1mp2t_1_1TsSection.html">TsSection</a> {</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <a class="code" href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html">TsSectionPsi</a>();</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; ~<a class="code" href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html">TsSectionPsi</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="comment">// TsSection implementation.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keywordtype">bool</span> Parse(<span class="keywordtype">bool</span> payload_unit_start_indicator,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keyword">const</span> uint8_t* buf,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keywordtype">int</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keywordtype">void</span> Flush() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keywordtype">void</span> Reset() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="comment">// Parse the content of the PSI section.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> ParsePsiSection(<a class="code" href="../../d6/da9/classshaka_1_1media_1_1BitReader.html">BitReader</a>* bit_reader) = 0;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="comment">// Reset the state of the PSI section.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> ResetPsiSection() = 0;</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; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keywordtype">void</span> ResetPsiState();</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; <span class="comment">// Bytes of the current PSI.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <a class="code" href="../../d7/dda/classshaka_1_1media_1_1ByteQueue.html">ByteQueue</a> psi_byte_queue_;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="comment">// Do not start parsing before getting a unit start indicator.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordtype">bool</span> wait_for_pusi_;</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; <span class="comment">// Number of leading bytes to discard (pointer field).</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">int</span> leading_bytes_to_discard_;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html">TsSectionPsi</a>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;};</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;} <span class="comment">// namespace mp2t</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;} <span class="comment">// namespace shaka</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="preprocessor">#endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"></span></div>
<div class="ttc" id="classshaka_1_1media_1_1BitReader_html"><div class="ttname"><a href="../../d6/da9/classshaka_1_1media_1_1BitReader.html">shaka::media::BitReader</a></div><div class="ttdoc">A class to read bit streams. </div><div class="ttdef"><b>Definition:</b> <a href="../../d4/dd3/bit__reader_8h_source.html#l00017">bit_reader.h:17</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsSectionPsi_html"><div class="ttname"><a href="../../de/d7e/classshaka_1_1media_1_1mp2t_1_1TsSectionPsi.html">shaka::media::mp2t::TsSectionPsi</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/dda/ts__section__psi_8h_source.html#l00019">ts_section_psi.h:19</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1ByteQueue_html"><div class="ttname"><a href="../../d7/dda/classshaka_1_1media_1_1ByteQueue.html">shaka::media::ByteQueue</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dc6/byte__queue_8h_source.html#l00020">byte_queue.h:20</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsSection_html"><div class="ttname"><a href="../../da/d1c/classshaka_1_1media_1_1mp2t_1_1TsSection.html">shaka::media::mp2t::TsSection</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d1a/ts__section_8h_source.html#l00012">ts_section.h:12</a></div></div>
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