shaka-packager/docs/d1/d74/mp2t__media__parser_8cc_sou...

544 lines
66 KiB
HTML
Raw Normal View History

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>DASH Media Packaging SDK: media/formats/mp2t/mp2t_media_parser.cc Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">DASH Media Packaging SDK
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="../../index.html"><span>Main&#160;Page</span></a></li>
<li><a href="../../namespaces.html"><span>Namespaces</span></a></li>
<li><a href="../../annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="../../files.html"><span>Files</span></a></li>
<li>
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="../../search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="../../search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="../../files.html"><span>File&#160;List</span></a></li>
</ul>
</div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_f7dcbe7025bbacfc4b9a7dff6ad41d72.html">mp2t</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">mp2t_media_parser.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 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">#include &quot;packager/media/formats/mp2t/mp2t_media_parser.h&quot;</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;</div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;packager/base/bind.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/media_sample.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/stream_info.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/es_parser.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/es_parser_adts.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/es_parser_h264.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/es_parser_h265.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/mp2t_common.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_packet.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_section.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_section_pat.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_section_pes.h&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/mp2t/ts_section_pmt.h&quot;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span>shaka {</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span>mp2t {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">enum</span> StreamType {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="comment">// ISO-13818.1 / ITU H.222 Table 2.34 &quot;Stream type assignments&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; kStreamTypeMpeg1Audio = 0x3,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; kStreamTypeAAC = 0xf,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; kStreamTypeAVC = 0x1b,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; kStreamTypeHEVC = 0x24,</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;};</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="keyword">class </span>PidState {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keyword">enum</span> PidType {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; kPidPat,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; kPidPmt,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; kPidAudioPes,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; kPidVideoPes,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; };</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; PidState(<span class="keywordtype">int</span> pid,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; PidType pid_type,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; std::unique_ptr&lt;TsSection&gt; section_parser);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="comment">// Extract the content of the TS packet and parse it.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">// Return true if successful.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">bool</span> PushTsPacket(<span class="keyword">const</span> TsPacket&amp; ts_packet);</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; <span class="comment">// Flush the PID state (possibly emitting some pending frames)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="comment">// and reset its state.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordtype">void</span> Flush();</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="comment">// Enable/disable the PID.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// Disabling a PID will reset its state and ignore any further incoming TS</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// packets.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordtype">void</span> Enable();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordtype">void</span> Disable();</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordtype">bool</span> IsEnabled() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; PidType pid_type()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pid_type_; }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; std::shared_ptr&lt;StreamInfo&gt;&amp; config() { <span class="keywordflow">return</span> config_; }</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordtype">void</span> set_config(<span class="keyword">const</span> std::shared_ptr&lt;StreamInfo&gt;&amp; config) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; config_ = config;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; SampleQueue&amp; sample_queue() { <span class="keywordflow">return</span> sample_queue_; }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordtype">void</span> ResetState();</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordtype">int</span> pid_;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; PidType pid_type_;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; std::unique_ptr&lt;TsSection&gt; section_parser_;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordtype">bool</span> enable_;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordtype">int</span> continuity_counter_;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; std::shared_ptr&lt;StreamInfo&gt; config_;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; SampleQueue sample_queue_;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;};</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;PidState::PidState(<span class="keywordtype">int</span> pid,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; PidType pid_type,</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; std::unique_ptr&lt;TsSection&gt; section_parser)</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; : pid_(pid),</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; pid_type_(pid_type),</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; section_parser_(std::move(section_parser)),</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; enable_(false),</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; continuity_counter_(-1) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; DCHECK(section_parser_);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;}</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="keywordtype">bool</span> PidState::PushTsPacket(<span class="keyword">const</span> TsPacket&amp; ts_packet) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; DCHECK_EQ(ts_packet.pid(), pid_);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="comment">// The current PID is not part of the PID filter,</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="comment">// just discard the incoming TS packet.</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span> (!enable_)</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordtype">int</span> expected_continuity_counter = (continuity_counter_ + 1) % 16;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">if</span> (continuity_counter_ &gt;= 0 &amp;&amp;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; ts_packet.continuity_counter() != expected_continuity_counter) {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;TS discontinuity detected for pid: &quot;</span> &lt;&lt; pid_;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// TODO(tinskip): Handle discontinuity better.</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordtype">bool</span> status = section_parser_-&gt;Parse(</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; ts_packet.payload_unit_start_indicator(),</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; ts_packet.payload(),</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; ts_packet.payload_size());</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="comment">// At the minimum, when parsing failed, auto reset the section parser.</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="comment">// Components that use the Mp2tMediaParser can take further action if needed.</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (!status) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Parsing failed for pid = &quot;</span> &lt;&lt; pid_;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; ResetState();</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;}</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;<span class="keywordtype">void</span> PidState::Flush() {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; section_parser_-&gt;Flush();</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; ResetState();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="keywordtype">void</span> PidState::Enable() {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; enable_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;}</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="keywordtype">void</span> PidState::Disable() {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span> (!enable_)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; ResetState();</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; enable_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;}</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<span class="keywordtype">bool</span> PidState::IsEnabled()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> enable_;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;}</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;<span class="keywordtype">void</span> PidState::ResetState() {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; section_parser_-&gt;Reset();</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; continuity_counter_ = -1;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;}</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;Mp2tMediaParser::Mp2tMediaParser()</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; : sbr_in_mimetype_(false),</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; is_initialized_(false) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;}</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;Mp2tMediaParser::~Mp2tMediaParser() {}</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#aa2aff12312827aacf2b7db6e2f792c52"> 159</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#aa2aff12312827aacf2b7db6e2f792c52">Mp2tMediaParser::Init</a>(</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keyword">const</span> InitCB&amp; init_cb,</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">const</span> NewSampleCB&amp; new_sample_cb,</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* decryption_key_source) {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; DCHECK(!is_initialized_);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; DCHECK(init_cb_.is_null());</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; DCHECK(!init_cb.is_null());</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; DCHECK(!new_sample_cb.is_null());</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; init_cb_ = init_cb;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; new_sample_cb_ = new_sample_cb;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;}</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;</div>
<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#afdb1a88116e3347e67afeb7715847135"> 172</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#afdb1a88116e3347e67afeb7715847135">Mp2tMediaParser::Flush</a>() {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Mp2tMediaParser::Flush&quot;</span>;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="comment">// Flush the buffers and reset the pids.</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; pair : pids_) {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Flushing PID: &quot;</span> &lt;&lt; pair.first;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; PidState* pid_state = pair.second.get();</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; pid_state-&gt;Flush();</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; }</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="keywordtype">bool</span> result = EmitRemainingSamples();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; pids_.clear();</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="comment">// Remove any bytes left in the TS buffer.</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="comment">// (i.e. any partial TS packet =&gt; less than 188 bytes).</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; ts_byte_queue_.Reset();</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;}</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#af1a8a33b4ce61777c876717b005d0026"> 190</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#af1a8a33b4ce61777c876717b005d0026">Mp2tMediaParser::Parse</a>(<span class="keyword">const</span> uint8_t* buf, <span class="keywordtype">int</span> size) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Mp2tMediaParser::Parse size=&quot;</span> &lt;&lt; size;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="comment">// Add the data to the parser state.</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; ts_byte_queue_.Push(buf, size);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keyword">const</span> uint8_t* ts_buffer;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordtype">int</span> ts_buffer_size;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; ts_byte_queue_.Peek(&amp;ts_buffer, &amp;ts_buffer_size);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordflow">if</span> (ts_buffer_size &lt; TsPacket::kPacketSize)</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="comment">// Synchronization.</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordtype">int</span> skipped_bytes = TsPacket::Sync(ts_buffer, ts_buffer_size);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="keywordflow">if</span> (skipped_bytes &gt; 0) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Packet not aligned on a TS syncword:&quot;</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; &lt;&lt; <span class="stringliteral">&quot; skipped_bytes=&quot;</span> &lt;&lt; skipped_bytes;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; ts_byte_queue_.Pop(skipped_bytes);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="comment">// Parse the TS header, skipping 1 byte if the header is invalid.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; std::unique_ptr&lt;TsPacket&gt; ts_packet(</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; TsPacket::Parse(ts_buffer, ts_buffer_size));</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">if</span> (!ts_packet) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Error: invalid TS packet&quot;</span>;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; ts_byte_queue_.Pop(1);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; DVLOG(LOG_LEVEL_TS)</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; &lt;&lt; <span class="stringliteral">&quot;Processing PID=&quot;</span> &lt;&lt; ts_packet-&gt;pid()</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; &lt;&lt; <span class="stringliteral">&quot; start_unit=&quot;</span> &lt;&lt; ts_packet-&gt;payload_unit_start_indicator();</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="comment">// Parse the section.</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; std::map&lt;int, std::unique_ptr&lt;PidState&gt;&gt;::iterator it =</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; pids_.find(ts_packet-&gt;pid());</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="keywordflow">if</span> (it == pids_.end() &amp;&amp;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; ts_packet-&gt;pid() == TsSection::kPidPat) {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="comment">// Create the PAT state here if needed.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; std::unique_ptr&lt;TsSection&gt; pat_section_parser(<span class="keyword">new</span> <a class="code" href="../../d0/d26/classshaka_1_1media_1_1mp2t_1_1TsSectionPat.html">TsSectionPat</a>(</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; base::Bind(&amp;Mp2tMediaParser::RegisterPmt, base::Unretained(<span class="keyword">this</span>))));</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; std::unique_ptr&lt;PidState&gt; pat_pid_state(<span class="keyword">new</span> PidState(</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; ts_packet-&gt;pid(), PidState::kPidPat, std::move(pat_section_parser)));</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; pat_pid_state-&gt;Enable();</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; it = pids_</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; .insert(std::pair&lt;<span class="keywordtype">int</span>, std::unique_ptr&lt;PidState&gt;&gt;(</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; ts_packet-&gt;pid(), std::move(pat_pid_state)))</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; .first;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="keywordflow">if</span> (it != pids_.end()) {</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keywordflow">if</span> (!it-&gt;second-&gt;PushTsPacket(*ts_packet))</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; DVLOG(LOG_LEVEL_TS) &lt;&lt; <span class="stringliteral">&quot;Ignoring TS packet for pid: &quot;</span> &lt;&lt; ts_packet-&gt;pid();</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="comment">// Go to the next packet.</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; ts_byte_queue_.Pop(TsPacket::kPacketSize);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="comment">// Emit the A/V buffers that kept accumulating during TS parsing.</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="keywordflow">return</span> EmitRemainingSamples();</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160;}</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160;<span class="keywordtype">void</span> Mp2tMediaParser::RegisterPmt(<span class="keywordtype">int</span> program_number, <span class="keywordtype">int</span> pmt_pid) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;RegisterPmt:&quot;</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; &lt;&lt; <span class="stringliteral">&quot; program_number=&quot;</span> &lt;&lt; program_number</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; &lt;&lt; <span class="stringliteral">&quot; pmt_pid=&quot;</span> &lt;&lt; pmt_pid;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="comment">// Only one TS program is allowed. Ignore the incoming program map table,</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="comment">// if there is already one registered.</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; pair : pids_) {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">if</span> (pair.second-&gt;pid_type() == PidState::kPidPmt) {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; DVLOG_IF(1, pmt_pid != pair.first) &lt;&lt; <span class="stringliteral">&quot;More than one program is defined&quot;</span>;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; }</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="comment">// Create the PMT state here if needed.</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Create a new PMT parser&quot;</span>;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; std::unique_ptr&lt;TsSection&gt; pmt_section_parser(<span class="keyword">new</span> TsSectionPmt(base::Bind(</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; &amp;Mp2tMediaParser::RegisterPes, base::Unretained(<span class="keyword">this</span>), pmt_pid)));</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; std::unique_ptr&lt;PidState&gt; pmt_pid_state(</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keyword">new</span> PidState(pmt_pid, PidState::kPidPmt, std::move(pmt_section_parser)));</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; pmt_pid_state-&gt;Enable();</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; pids_.insert(std::pair&lt;<span class="keywordtype">int</span>, std::unique_ptr&lt;PidState&gt;&gt;(</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; pmt_pid, std::move(pmt_pid_state)));</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160;}</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160;<span class="keywordtype">void</span> Mp2tMediaParser::RegisterPes(<span class="keywordtype">int</span> pmt_pid,</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordtype">int</span> pes_pid,</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="keywordtype">int</span> stream_type) {</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;RegisterPes:&quot;</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; &lt;&lt; <span class="stringliteral">&quot; pes_pid=&quot;</span> &lt;&lt; pes_pid</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; &lt;&lt; <span class="stringliteral">&quot; stream_type=&quot;</span> &lt;&lt; std::hex &lt;&lt; stream_type &lt;&lt; std::dec;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; std::map&lt;int, std::unique_ptr&lt;PidState&gt;&gt;::iterator it = pids_.find(pes_pid);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">if</span> (it != pids_.end())</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="comment">// Create a stream parser corresponding to the stream type.</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="keywordtype">bool</span> is_audio = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; std::unique_ptr&lt;EsParser&gt; es_parser;</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keywordflow">if</span> (stream_type == kStreamTypeAVC) {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; es_parser.reset(</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="keyword">new</span> EsParserH264(</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; pes_pid,</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnNewStreamInfo,</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; base::Unretained(<span class="keyword">this</span>)),</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnEmitSample,</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; base::Unretained(<span class="keyword">this</span>))));</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stream_type == kStreamTypeHEVC) {</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; es_parser.reset(</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keyword">new</span> EsParserH265(</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; pes_pid,</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnNewStreamInfo,</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; base::Unretained(<span class="keyword">this</span>)),</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnEmitSample,</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; base::Unretained(<span class="keyword">this</span>))));</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (stream_type == kStreamTypeAAC) {</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; es_parser.reset(</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="keyword">new</span> EsParserAdts(</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; pes_pid,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnNewStreamInfo,</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; base::Unretained(<span class="keyword">this</span>)),</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; base::Bind(&amp;Mp2tMediaParser::OnEmitSample,</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; base::Unretained(<span class="keyword">this</span>)),</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; sbr_in_mimetype_));</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; is_audio = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; LOG(WARNING) &lt;&lt; <span class="stringliteral">&quot;Ignore unsupported stream type 0x&quot;</span> &lt;&lt; std::hex</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; &lt;&lt; stream_type &lt;&lt; std::dec;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; }</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="comment">// Create the PES state here.</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Create a new PES state&quot;</span>;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; std::unique_ptr&lt;TsSection&gt; pes_section_parser(</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <span class="keyword">new</span> TsSectionPes(std::move(es_parser)));</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; PidState::PidType pid_type =</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; is_audio ? PidState::kPidAudioPes : PidState::kPidVideoPes;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; std::unique_ptr&lt;PidState&gt; pes_pid_state(</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="keyword">new</span> PidState(pes_pid, pid_type, std::move(pes_section_parser)));</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; pes_pid_state-&gt;Enable();</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; pids_.insert(std::pair&lt;<span class="keywordtype">int</span>, std::unique_ptr&lt;PidState&gt;&gt;(</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; pes_pid, std::move(pes_pid_state)));</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160;}</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160;<span class="keywordtype">void</span> Mp2tMediaParser::OnNewStreamInfo(</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;StreamInfo&gt;&amp; new_stream_info) {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; DCHECK(new_stream_info);</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;OnVideoConfigChanged for pid=&quot;</span> &lt;&lt; new_stream_info-&gt;track_id();</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; PidMap::iterator pid_state = pids_.find(new_stream_info-&gt;track_id());</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; <span class="keywordflow">if</span> (pid_state == pids_.end()) {</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;PID State for new stream not found (pid = &quot;</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; &lt;&lt; new_stream_info-&gt;track_id() &lt;&lt; <span class="stringliteral">&quot;).&quot;</span>;</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="comment">// Set the stream configuration information for the PID.</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; pid_state-&gt;second-&gt;set_config(new_stream_info);</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="comment">// Finish initialization if all streams have configs.</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; FinishInitializationIfNeeded();</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160;}</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160;<span class="keywordtype">bool</span> Mp2tMediaParser::FinishInitializationIfNeeded() {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; <span class="comment">// Nothing to be done if already initialized.</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <span class="keywordflow">if</span> (is_initialized_)</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <span class="comment">// Wait for more data to come to finish initialization.</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="keywordflow">if</span> (pids_.empty())</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160;</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; std::vector&lt;std::shared_ptr&lt;StreamInfo&gt;&gt; all_stream_info;</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; uint32_t num_es(0);</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="keywordflow">for</span> (PidMap::const_iterator iter = pids_.begin(); iter != pids_.end();</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; ++iter) {</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; <span class="keywordflow">if</span> (((iter-&gt;second-&gt;pid_type() == PidState::kPidAudioPes) ||</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; (iter-&gt;second-&gt;pid_type() == PidState::kPidVideoPes))) {</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; ++num_es;</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="keywordflow">if</span> (iter-&gt;second-&gt;config())</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; all_stream_info.push_back(iter-&gt;second-&gt;config());</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; }</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="keywordflow">if</span> (num_es &amp;&amp; (all_stream_info.size() == num_es)) {</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; <span class="comment">// All stream configurations have been received. Initialization can</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="comment">// be completed.</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; init_cb_.Run(all_stream_info);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; DVLOG(1) &lt;&lt; <span class="stringliteral">&quot;Mpeg2TS stream parser initialization done&quot;</span>;</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; is_initialized_ = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; }</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160;}</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160;</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160;<span class="keywordtype">void</span> Mp2tMediaParser::OnEmitSample(</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; uint32_t pes_pid,</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <span class="keyword">const</span> std::shared_ptr&lt;MediaSample&gt;&amp; new_sample) {</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; DCHECK(new_sample);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; DVLOG(LOG_LEVEL_ES)</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; &lt;&lt; <span class="stringliteral">&quot;OnEmitSample: &quot;</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; &lt;&lt; <span class="stringliteral">&quot; pid=&quot;</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; &lt;&lt; pes_pid</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; &lt;&lt; <span class="stringliteral">&quot; size=&quot;</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; &lt;&lt; new_sample-&gt;data_size()</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; &lt;&lt; <span class="stringliteral">&quot; dts=&quot;</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; &lt;&lt; new_sample-&gt;dts()</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; &lt;&lt; <span class="stringliteral">&quot; pts=&quot;</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; &lt;&lt; new_sample-&gt;pts();</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="comment">// Add the sample to the appropriate PID sample queue.</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; PidMap::iterator pid_state = pids_.find(pes_pid);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="keywordflow">if</span> (pid_state == pids_.end()) {</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;PID State for new sample not found (pid = &quot;</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; &lt;&lt; pes_pid &lt;&lt; <span class="stringliteral">&quot;).&quot;</span>;</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; }</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; pid_state-&gt;second-&gt;sample_queue().push_back(new_sample);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160;}</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160;<span class="keywordtype">bool</span> Mp2tMediaParser::EmitRemainingSamples() {</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; DVLOG(LOG_LEVEL_ES) &lt;&lt; <span class="stringliteral">&quot;Mp2tMediaParser::EmitRemainingBuffers&quot;</span>;</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; <span class="comment">// No buffer should be sent until fully initialized.</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; <span class="keywordflow">if</span> (!is_initialized_)</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; <span class="comment">// Buffer emission.</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; <span class="keywordflow">for</span> (PidMap::const_iterator pid_iter = pids_.begin(); pid_iter != pids_.end();</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; ++pid_iter) {</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; SampleQueue&amp; sample_queue = pid_iter-&gt;second-&gt;sample_queue();</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; <span class="keywordflow">for</span> (SampleQueue::iterator sample_iter = sample_queue.begin();</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; sample_iter != sample_queue.end();</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160; ++sample_iter) {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keywordflow">if</span> (!new_sample_cb_.Run(pid_iter-&gt;first, *sample_iter)) {</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="comment">// Error processing sample. Propagate error condition.</span></div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; }</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; }</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; sample_queue.clear();</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160;}</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160;} <span class="comment">// namespace mp2t</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser_html_aa2aff12312827aacf2b7db6e2f792c52"><div class="ttname"><a href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#aa2aff12312827aacf2b7db6e2f792c52">shaka::media::mp2t::Mp2tMediaParser::Init</a></div><div class="ttdeci">void Init(const InitCB &amp;init_cb, const NewSampleCB &amp;new_sample_cb, KeySource *decryption_key_source) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d74/mp2t__media__parser_8cc_source.html#l00159">mp2t_media_parser.cc:159</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser_html_afdb1a88116e3347e67afeb7715847135"><div class="ttname"><a href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#afdb1a88116e3347e67afeb7715847135">shaka::media::mp2t::Mp2tMediaParser::Flush</a></div><div class="ttdeci">bool Flush() override WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d74/mp2t__media__parser_8cc_source.html#l00172">mp2t_media_parser.cc:172</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1TsSectionPat_html"><div class="ttname"><a href="../../d0/d26/classshaka_1_1media_1_1mp2t_1_1TsSectionPat.html">shaka::media::mp2t::TsSectionPat</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/da0/ts__section__pat_8h_source.html#l00016">ts_section_pat.h:16</a></div></div>
<div class="ttc" id="classshaka_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#l00045">key_source.h:45</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser_html_af1a8a33b4ce61777c876717b005d0026"><div class="ttname"><a href="../../d3/dc1/classshaka_1_1media_1_1mp2t_1_1Mp2tMediaParser.html#af1a8a33b4ce61777c876717b005d0026">shaka::media::mp2t::Mp2tMediaParser::Parse</a></div><div class="ttdeci">bool Parse(const uint8_t *buf, int size) override WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d74/mp2t__media__parser_8cc_source.html#l00190">mp2t_media_parser.cc:190</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Jun 20 2017 22:39:21 for DASH Media Packaging SDK by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="../../doxygen.png" alt="doxygen"/>
</a> 1.8.6
</small></address>
</body>
</html>