294 lines
30 KiB
HTML
294 lines
30 KiB
HTML
<!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/codecs/es_descriptor.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 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 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"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </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_0494b8c96e3190a776d2b97ade9c8ddf.html">codecs</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">es_descriptor.cc</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright (c) 2012 The Chromium Authors. All rights reserved.</span></div>
|
|
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <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> <span class="comment">// found in the LICENSE file.</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "packager/media/codecs/es_descriptor.h"</span></div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/base/bit_reader.h"</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "packager/media/base/buffer_writer.h"</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/media/base/rcheck.h"</span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span>shaka {</div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">namespace </span>media {</div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>{</div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// ISO/IEC 14496-1:2004 Section 7.2.6.6 Table 6: StreamType values.</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">enum</span> StreamType {</div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  kForbiddenStreamType = 0x00,</div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  kObjectDescriptorStreamType = 0x01,</div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  kClockReferenceStreamType = 0x02,</div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  kSceneDescriptionStreamType = 0x03,</div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  kVisualStreamType = 0x04,</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  kAudioStreamType = 0x05,</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  kMPEG7StreamType = 0x06,</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  kIPMPStreamType = 0x07,</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  kObjectContentInfoStreamType = 0x08,</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  kMPEGJStreamType = 0x09,</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  kInteractionStream = 0x0A,</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  kIPMPToolStreamType = 0x0B,</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> };</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// ISO/IEC 14496-1:2004 Section 7.3.2.3 Table 12: ISO SL Config Descriptor.</span></div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">enum</span> SLPredefinedTags {</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  kSLPredefinedNull = 0x01,</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  kSLPredefinedMP4 = 0x02,</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> };</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">// The elementary stream size is specific by up to 4 bytes.</span></div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// The MSB of a byte indicates if there are more bytes for the size.</span></div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">bool</span> ReadESSize(BitReader* reader, uint32_t* size) {</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  uint8_t msb;</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  uint8_t byte;</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  *size = 0;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < 4; ++i) {</div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  RCHECK(reader->ReadBits(1, &msb));</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  RCHECK(reader->ReadBits(7, &byte));</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  *size = (*size << 7) + byte;</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (msb == 0)</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// Descryptor Header Size: 1 byte tag and 1 byte size (we don't support</span></div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// multi-bytes size for now).</span></div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kHeaderSize = 2;</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">const</span> <span class="keywordtype">size_t</span> kMaxDecoderSpecificInfoSize = 64;</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">const</span> uint32_t kUnknownBitrate = 0;</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> } <span class="comment">// namespace</span></div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> ESDescriptor::ESDescriptor()</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : esid_(0),</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  object_type_(kForbidden),</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  max_bitrate_(kUnknownBitrate),</div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  avg_bitrate_(kUnknownBitrate) {}</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> ESDescriptor::~ESDescriptor() {}</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
|
|
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">bool</span> ESDescriptor::Parse(<span class="keyword">const</span> std::vector<uint8_t>& data) {</div>
|
|
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  BitReader reader(&data[0], data.size());</div>
|
|
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  uint8_t tag;</div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint32_t size;</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint8_t stream_dependency_flag;</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  uint8_t url_flag;</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  uint8_t ocr_stream_flag;</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  uint16_t dummy;</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  RCHECK(reader.ReadBits(8, &tag));</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  RCHECK(tag == kESDescrTag);</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  RCHECK(ReadESSize(&reader, &size));</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  RCHECK(reader.ReadBits(16, &esid_)); <span class="comment">// ES_ID</span></div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  RCHECK(reader.ReadBits(1, &stream_dependency_flag));</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  RCHECK(reader.ReadBits(1, &url_flag));</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  RCHECK(!url_flag); <span class="comment">// We don't support url flag</span></div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  RCHECK(reader.ReadBits(1, &ocr_stream_flag));</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  RCHECK(reader.ReadBits(5, &dummy)); <span class="comment">// streamPriority</span></div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (stream_dependency_flag)</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  RCHECK(reader.ReadBits(16, &dummy)); <span class="comment">// dependsOn_ES_ID</span></div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (ocr_stream_flag)</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  RCHECK(reader.ReadBits(16, &dummy)); <span class="comment">// OCR_ES_Id</span></div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
|
|
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  RCHECK(ParseDecoderConfigDescriptor(&reader));</div>
|
|
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keywordtype">bool</span> ESDescriptor::ParseDecoderConfigDescriptor(BitReader* reader) {</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  uint8_t tag;</div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  uint32_t size;</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  uint32_t dummy;</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  RCHECK(reader->ReadBits(8, &tag));</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  RCHECK(tag == kDecoderConfigDescrTag);</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  RCHECK(ReadESSize(reader, &size));</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  RCHECK(reader->ReadBits(8, &object_type_));</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  RCHECK(reader->ReadBits(32, &dummy));</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  RCHECK(reader->ReadBits(32, &max_bitrate_));</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  RCHECK(reader->ReadBits(32, &avg_bitrate_));</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  RCHECK(ParseDecoderSpecificInfo(reader));</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keywordtype">bool</span> ESDescriptor::ParseDecoderSpecificInfo(BitReader* reader) {</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  DCHECK(reader);</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  uint8_t tag;</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  uint32_t size;</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  RCHECK(reader->ReadBits(8, &tag));</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  RCHECK(tag == kDecoderSpecificInfoTag);</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  RCHECK(ReadESSize(reader, &size));</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  decoder_specific_info_.resize(size);</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i < size; ++i)</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  RCHECK(reader->ReadBits(8, &decoder_specific_info_[i]));</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keywordtype">void</span> ESDescriptor::Write(BufferWriter* writer)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  DCHECK(writer);</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  CHECK_LT(decoder_specific_info_.size(), kMaxDecoderSpecificInfoSize);</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> std::vector<uint8_t> kEmptyDecodingBufferSize(3, 0);</div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">const</span> uint8_t kNoEsFlags = 0;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> uint8_t decoder_specific_info_size =</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(decoder_specific_info_.size());</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>  <span class="comment">// 6 bit stream type. The last bit is reserved with 1.</span></div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> uint8_t stream_type = (kAudioStreamType << 2) | 1;</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> uint8_t decoder_config_size =</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(decoder_specific_info_size + kHeaderSize +</div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">sizeof</span>(uint8_t) + <span class="comment">// object_type_.</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">sizeof</span>(stream_type) +</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  kEmptyDecodingBufferSize.size() +</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">sizeof</span>(kUnknownBitrate) * 2);</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">const</span> uint8_t sl_config_size = <span class="keyword">sizeof</span>(uint8_t); <span class="comment">// predefined.</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">const</span> uint8_t es_size = decoder_config_size + kHeaderSize + sl_config_size +</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  kHeaderSize + <span class="keyword">sizeof</span>(esid_) + <span class="keyword">sizeof</span>(kNoEsFlags);</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  writer->AppendInt(static_cast<uint8_t>(kESDescrTag));</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  writer->AppendInt(es_size);</div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  writer->AppendInt(esid_);</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  writer->AppendInt(kNoEsFlags);</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  writer->AppendInt(static_cast<uint8_t>(kDecoderConfigDescrTag));</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  writer->AppendInt(decoder_config_size);</div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  writer->AppendInt(static_cast<uint8_t>(object_type_));</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  writer->AppendInt(stream_type);</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  writer->AppendVector(kEmptyDecodingBufferSize);</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  writer->AppendInt(max_bitrate_);</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  writer->AppendInt(avg_bitrate_);</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  writer->AppendInt(static_cast<uint8_t>(kDecoderSpecificInfoTag));</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  writer->AppendInt(decoder_specific_info_size);</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  writer->AppendVector(decoder_specific_info_);</div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  writer->AppendInt(static_cast<uint8_t>(kSLConfigTag));</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  writer->AppendInt(sl_config_size);</div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  writer->AppendInt(static_cast<uint8_t>(kSLPredefinedMP4));</div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">size_t</span> ESDescriptor::ComputeSize()<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// A bit magical. Refer to ESDescriptor::Write for details.</span></div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keyword">const</span> uint8_t decoder_specific_info_size =</div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">static_cast<</span>uint8_t<span class="keyword">></span>(decoder_specific_info_.size());</div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> uint8_t decoder_config_size = decoder_specific_info_size + kHeaderSize +</div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">sizeof</span>(uint8_t) * 5 +</div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">sizeof</span>(uint32_t) * 2;</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> uint8_t sl_config_size = <span class="keyword">sizeof</span>(uint8_t);</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">const</span> uint8_t es_size = decoder_config_size + kHeaderSize + sl_config_size +</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  kHeaderSize + <span class="keyword">sizeof</span>(esid_) + <span class="keyword">sizeof</span>(uint8_t);</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> es_size + kHeaderSize;</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> }</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> } <span class="comment">// namespace media</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> } <span class="comment">// namespace shaka</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated on Thu Mar 30 2017 23:38:50 for DASH Media Packaging SDK by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="../../doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.6
|
|
</small></address>
|
|
</body>
|
|
</html>
|