shaka-packager/docs/dc/d53/webm_2segmenter_8cc_source....

545 lines
78 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/formats/webm/segmenter.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>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_5039d854a18988ed1f1dbebc120ffbf7.html">webm</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">segmenter.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 2015 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</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 &quot;packager/media/formats/webm/segmenter.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;packager/base/time/time.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/audio_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/base/media_sample.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/media_stream.h&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/muxer_options.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/stream_info.h&quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/video_stream_info.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/event/muxer_listener.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/media/event/progress_listener.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/third_party/libwebm/src/mkvmuxerutil.hpp&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/third_party/libwebm/src/webmids.hpp&quot;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">namespace </span>edash_packager {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">namespace </span>webm {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span>{</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;int64_t kTimecodeScale = 1000000;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;int64_t kSecondsToNs = 1000000000L;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;} <span class="comment">// namespace</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;Segmenter::Segmenter(<span class="keyword">const</span> MuxerOptions&amp; options)</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; : reference_frame_timestamp_(0),</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; options_(options),</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; info_(NULL),</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; muxer_listener_(NULL),</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; progress_listener_(NULL),</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; progress_target_(0),</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; accumulated_progress_(0),</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; first_timestamp_(0),</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; sample_duration_(0),</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; segment_payload_pos_(0),</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; cluster_length_sec_(0),</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; segment_length_sec_(0),</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; track_id_(0) {}</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;Segmenter::~Segmenter() {}</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a5918dc2431560b2ae816c0840ddf7728"> 46</a></span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#af6ec4732a1d6addb755c85e0fface542">Segmenter::Initialize</a>(scoped_ptr&lt;MkvWriter&gt; writer,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <a class="code" href="../../d6/d06/classedash__packager_1_1media_1_1StreamInfo.html">StreamInfo</a>* info,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html">ProgressListener</a>* progress_listener,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <a class="code" href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">KeySource</a>* encryption_key_source,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; uint32_t max_sd_pixels,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordtype">double</span> clear_lead_in_seconds) {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; muxer_listener_ = muxer_listener;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; info_ = info;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; clear_lead_ = clear_lead_in_seconds;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// Use media duration as progress target.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; progress_target_ = info_-&gt;duration();</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; progress_listener_ = progress_listener;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keyword">const</span> std::string version_string =</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="stringliteral">&quot;https://github.com/google/edash-packager version &quot;</span> +</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; options().<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a71efefea31d61d439c1d09a6563e8948">packager_version_string</a>;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; segment_info_.Init();</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; segment_info_.set_timecode_scale(kTimecodeScale);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; segment_info_.set_writing_app(version_string.c_str());</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">if</span> (options().<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a7542af69b834f3a72e5c5b25f4f0f474">single_segment</a>) {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="comment">// Set an initial duration so the duration element is written; will be</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="comment">// overwritten at the end. This works because this is a float and floats</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="comment">// are always the same size.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; segment_info_.set_duration(1);</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;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">if</span> (encryption_key_source) {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; status = InitializeEncryptor(encryption_key_source, max_sd_pixels);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="comment">// Create the track info.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">switch</span> (info_-&gt;stream_type()) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keywordflow">case</span> kStreamVideo:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; status = CreateVideoTrack(static_cast&lt;VideoStreamInfo*&gt;(info_));</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">case</span> kStreamAudio:</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; status = CreateAudioTrack(static_cast&lt;AudioStreamInfo*&gt;(info_));</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; NOTIMPLEMENTED() &lt;&lt; <span class="stringliteral">&quot;Not implemented for stream type: &quot;</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; &lt;&lt; info_-&gt;stream_type();</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; status = <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::UNIMPLEMENTED, <span class="stringliteral">&quot;Not implemented for stream type&quot;</span>);</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="keywordflow">if</span> (!status.ok())</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">return</span> status;</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="keywordflow">return</span> DoInitialize(writer.Pass());</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;}</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aaa092bb01c45c1d7ec84a8f370978bbb"> 101</a></span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ad1136a3e7c2e796267fbd3879d108c2a">Segmenter::Finalize</a>() {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; uint64_t duration =</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; prev_sample_-&gt;pts() - first_timestamp_ + prev_sample_-&gt;duration();</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; segment_info_.set_duration(FromBMFFTimescale(duration));</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">return</span> DoFinalize();</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;</div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#aff9c729f9464540eafc6571d4a42df47"> 112</a></span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a5c21059ee9a533caec81491bdb751c57">Segmenter::AddSample</a>(scoped_refptr&lt;MediaSample&gt; sample) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">if</span> (sample_duration_ == 0) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; first_timestamp_ = sample-&gt;pts();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; sample_duration_ = sample-&gt;duration();</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">if</span> (muxer_listener_)</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; muxer_listener_-&gt;<a class="code" href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a5626ff553138db438c561db2ca0d05f2">OnSampleDurationReady</a>(sample_duration_);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9">UpdateProgress</a>(sample-&gt;duration());</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; <span class="comment">// This writes frames in a delay. Meaning that the previous frame is written</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// on this call to AddSample. The current frame is stored until the next</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// call. This is done to determine which frame is the last in a Cluster.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="comment">// This first block determines if this is a new Cluster and writes the</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">// previous frame first before creating the new Cluster.</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> status;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordtype">bool</span> wrote_frame = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordflow">if</span> (!cluster_) {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; status = NewSegment(sample-&gt;pts());</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <span class="comment">// First frame, so no previous frame to write.</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; wrote_frame = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (segment_length_sec_ &gt;= options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ad6f281dfd832bd073f5fb5fc46342f9f">segment_duration</a>) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">if</span> (sample-&gt;is_key_frame() || !options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#af0403298bf08392bb3009061cd8de2b0">segment_sap_aligned</a>) {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; status.Update(NewSegment(sample-&gt;pts()));</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; segment_length_sec_ = 0;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; cluster_length_sec_ = 0;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; wrote_frame = <span class="keyword">true</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; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cluster_length_sec_ &gt;= options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a1754599c00fdf4c474d3072abf71c1de">fragment_duration</a>) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">if</span> (sample-&gt;is_key_frame() || !options_.<a class="code" href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ab70f1d41f9556fa793ec638762d1c584">fragment_sap_aligned</a>) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; status = WriteFrame(<span class="keyword">true</span> <span class="comment">/* write_duration */</span>);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; status.Update(NewSubsegment(sample-&gt;pts()));</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; cluster_length_sec_ = 0;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; wrote_frame = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">if</span> (!wrote_frame) {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; status = WriteFrame(<span class="keyword">false</span> <span class="comment">/* write_duration */</span>);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">if</span> (!status.ok())</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> status;</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; <span class="comment">// Encrypt the frame.</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">if</span> (encryptor_) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keyword">const</span> <span class="keywordtype">bool</span> encrypt_frame =</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(sample-&gt;pts() - first_timestamp_) /</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; info_-&gt;time_scale() &gt;=</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; clear_lead_;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; status = encryptor_-&gt;EncryptFrame(sample, encrypt_frame);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordflow">if</span> (!status.ok()) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Error encrypting frame.&quot;</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">return</span> status;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; }</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;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="comment">// Add the sample to the durations even though we have not written the frame</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="comment">// yet. This is needed to make sure we split Clusters at the correct point.</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">// These are only used in this method.</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> duration_sec =</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(sample-&gt;duration()) / info_-&gt;time_scale();</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; cluster_length_sec_ += duration_sec;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; segment_length_sec_ += duration_sec;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; prev_sample_ = sample;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">return</span> Status::OK;</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;</div>
<div class="line"><a name="l00182"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a6ec4149813741e894a9c5083eaf99689"> 182</a></span>&#160;<span class="keywordtype">float</span> <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a0e5e570d5f82c796ba015ca06c7a676c">Segmenter::GetDuration</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">return</span> <span class="keyword">static_cast&lt;</span><span class="keywordtype">float</span><span class="keyword">&gt;</span>(segment_info_.duration()) *</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; segment_info_.timecode_scale() / kSecondsToNs;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;}</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div>
<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a377639e4fdce4ca03a07c97a210af720"> 187</a></span>&#160;uint64_t Segmenter::FromBMFFTimescale(uint64_t time_timescale) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="comment">// Convert the time from BMFF time_code to WebM timecode scale.</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="keyword">const</span> int64_t time_ns =</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; kSecondsToNs * time_timescale / info_-&gt;time_scale();</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keywordflow">return</span> time_ns / segment_info_.timecode_scale();</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;</div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a3ce5618367e7fa71f52f6a2cfc756462"> 194</a></span>&#160;uint64_t Segmenter::FromWebMTimecode(uint64_t time_webm_timecode) {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="comment">// Convert the time to BMFF time_code from WebM timecode scale.</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keyword">const</span> int64_t time_ns = time_webm_timecode * segment_info_.timecode_scale();</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keywordflow">return</span> time_ns * info_-&gt;time_scale() / kSecondsToNs;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;}</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;</div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#ad1b39c3b3f6704931f0533b3dc9103e4"> 200</a></span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> Segmenter::WriteSegmentHeader(uint64_t file_size, <a class="code" href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> error_status(error::FILE_FAILURE, <span class="stringliteral">&quot;Error writing segment header.&quot;</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="keywordflow">if</span> (!WriteEbmlHeader(writer))</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keywordflow">if</span> (WriteID(writer, mkvmuxer::kMkvSegment) != 0)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keyword">const</span> uint64_t segment_size_size = 8;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; segment_payload_pos_ = writer-&gt;<a class="code" href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html#ad9aca56b48f2b833b7fb91cb4a5492e0">Position</a>() + segment_size_size;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">if</span> (file_size &gt; 0) {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="comment">// We want the size of the segment element, so subtract the header.</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="keywordflow">if</span> (WriteUIntSize(writer, file_size - segment_payload_pos_,</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; segment_size_size) != 0)</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="keywordflow">if</span> (!seek_head_.Write(writer))</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">if</span> (SerializeInt(writer, mkvmuxer::kEbmlUnknownValue, segment_size_size) !=</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; 0)</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="comment">// We don&#39;t know the header size, so write a placeholder.</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">if</span> (!seek_head_.WriteVoid(writer))</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; seek_head_.set_info_pos(writer-&gt;<a class="code" href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html#ad9aca56b48f2b833b7fb91cb4a5492e0">Position</a>() - segment_payload_pos_);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">if</span> (!segment_info_.Write(writer))</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; seek_head_.set_tracks_pos(writer-&gt;<a class="code" href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html#ad9aca56b48f2b833b7fb91cb4a5492e0">Position</a>() - segment_payload_pos_);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="keywordflow">if</span> (!tracks_.Write(writer))</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <span class="keywordflow">return</span> error_status;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;}</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160;</div>
<div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#a09262ba6f2bbbebdde798ba0ea4d9854"> 238</a></span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> Segmenter::SetCluster(uint64_t start_webm_timecode,</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; uint64_t position,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <a class="code" href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer) {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="keyword">const</span> uint64_t scale = segment_info_.timecode_scale();</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; cluster_.reset(<span class="keyword">new</span> mkvmuxer::Cluster(start_webm_timecode, position, scale));</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; cluster_-&gt;Init(writer);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160;}</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"><a class="line" href="../../da/d14/classedash__packager_1_1media_1_1webm_1_1Segmenter.html#af7abae8ef77450c272f6ca6ce98df361"> 247</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9">Segmenter::UpdateProgress</a>(uint64_t progress) {</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; accumulated_progress_ += progress;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordflow">if</span> (!progress_listener_ || progress_target_ == 0)</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="comment">// It might happen that accumulated progress exceeds progress_target due to</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="comment">// computation errors, e.g. rounding error. Cap it so it never reports &gt; 100%</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="comment">// progress.</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">if</span> (accumulated_progress_ &gt;= progress_target_) {</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; progress_listener_-&gt;<a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">OnProgress</a>(1.0);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; progress_listener_-&gt;<a class="code" href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">OnProgress</a>(static_cast&lt;double&gt;(accumulated_progress_) /</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; progress_target_);</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; }</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;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;<a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a> Segmenter::CreateVideoTrack(<a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>* info) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="comment">// The seed is only used to create a UID which we overwrite later.</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed = 0;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; mkvmuxer::VideoTrack* track = <span class="keyword">new</span> mkvmuxer::VideoTrack(&amp;seed);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">if</span> (!track)</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">Status</a>(error::INTERNAL_ERROR, <span class="stringliteral">&quot;Failed to create video track.&quot;</span>);</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; <span class="keywordflow">if</span> (info-&gt;codec() == kCodecVP8) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; track-&gt;set_codec_id(mkvmuxer::Tracks::kVp8CodecId);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (info-&gt;codec() == kCodecVP9) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; track-&gt;set_codec_id(mkvmuxer::Tracks::kVp9CodecId);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Only VP8 and VP9 video codec is supported.&quot;</span>;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="keywordflow">return</span> Status(error::UNIMPLEMENTED,</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="stringliteral">&quot;Only VP8 and VP9 video codecs are supported.&quot;</span>);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; track-&gt;set_uid(info-&gt;track_id());</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="keywordflow">if</span> (!info-&gt;language().empty())</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; track-&gt;set_language(info-&gt;language().c_str());</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; track-&gt;set_type(mkvmuxer::Tracks::kVideo);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; track-&gt;set_width(info-&gt;width());</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; track-&gt;set_height(info-&gt;height());</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; track-&gt;set_display_height(info-&gt;height());</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; track-&gt;set_display_width(info-&gt;width() * info-&gt;<a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a560d825dacae19d65a800396f7359645">pixel_width</a>() /</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; info-&gt;<a class="code" href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a378a415c21d171a125e0760f0403eb87">pixel_height</a>());</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keywordflow">if</span> (encryptor_)</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; encryptor_-&gt;AddTrackInfo(track);</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; tracks_.AddTrack(track, info-&gt;track_id());</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; track_id_ = track-&gt;number();</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;}</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;Status Segmenter::CreateAudioTrack(AudioStreamInfo* info) {</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="comment">// The seed is only used to create a UID which we overwrite later.</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> seed = 0;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; mkvmuxer::AudioTrack* track = <span class="keyword">new</span> mkvmuxer::AudioTrack(&amp;seed);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">if</span> (!track)</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR, <span class="stringliteral">&quot;Failed to create audio track.&quot;</span>);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keywordflow">if</span> (info-&gt;codec() == kCodecOpus) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; track-&gt;set_codec_id(mkvmuxer::Tracks::kOpusCodecId);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (info-&gt;codec() == kCodecVorbis) {</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; track-&gt;set_codec_id(mkvmuxer::Tracks::kVorbisCodecId);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Only Vorbis and Opus audio codec is supported.&quot;</span>;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <span class="keywordflow">return</span> Status(error::UNIMPLEMENTED,</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="stringliteral">&quot;Only Vorbis and Opus audio codecs are supported.&quot;</span>);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">if</span> (!track-&gt;SetCodecPrivate(info-&gt;extra_data().data(),</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; info-&gt;extra_data().size())) {</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="keywordflow">return</span> Status(error::INTERNAL_ERROR,</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="stringliteral">&quot;Private codec data required for audio streams&quot;</span>);</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160;</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; track-&gt;set_uid(info-&gt;track_id());</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="keywordflow">if</span> (!info-&gt;language().empty())</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; track-&gt;set_language(info-&gt;language().c_str());</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; track-&gt;set_type(mkvmuxer::Tracks::kAudio);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; track-&gt;set_sample_rate(info-&gt;sampling_frequency());</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; track-&gt;set_channels(info-&gt;num_channels());</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="keywordflow">if</span> (encryptor_)</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; encryptor_-&gt;AddTrackInfo(track);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160;</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; tracks_.AddTrack(track, info-&gt;track_id());</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; track_id_ = track-&gt;number();</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160;}</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160;Status Segmenter::InitializeEncryptor(KeySource* key_source,</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; uint32_t max_sd_pixels) {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; encryptor_.reset(<span class="keyword">new</span> Encryptor());</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keywordflow">switch</span> (info_-&gt;stream_type()) {</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <span class="keywordflow">case</span> kStreamVideo: {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; VideoStreamInfo* video_info = <span class="keyword">static_cast&lt;</span>VideoStreamInfo*<span class="keyword">&gt;</span>(info_);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; uint32_t pixels = video_info-&gt;width() * video_info-&gt;height();</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; KeySource::TrackType type = (pixels &gt; max_sd_pixels)</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; ? KeySource::TRACK_TYPE_HD</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; : KeySource::TRACK_TYPE_SD;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <span class="keywordflow">return</span> encryptor_-&gt;Initialize(muxer_listener_, type, key_source);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; }</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="keywordflow">case</span> kStreamAudio:</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="keywordflow">return</span> encryptor_-&gt;Initialize(</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; muxer_listener_, KeySource::TrackType::TRACK_TYPE_AUDIO, key_source);</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="comment">// Other streams are not encrypted.</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="keywordflow">return</span> Status::OK;</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; }</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;</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160;Status Segmenter::WriteFrame(<span class="keywordtype">bool</span> write_duration) {</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="comment">// Create a frame manually so we can create non-SimpleBlock frames. This</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="comment">// is required to allow the frame duration to be added. If the duration</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="comment">// is not set, then a SimpleBlock will still be written.</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; mkvmuxer::Frame frame;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="keywordflow">if</span> (!frame.Init(prev_sample_-&gt;data(), prev_sample_-&gt;data_size())) {</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <span class="stringliteral">&quot;Error adding sample to segment: Frame::Init failed&quot;</span>);</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; }</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; <span class="keywordflow">if</span> (write_duration) {</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="keyword">const</span> uint64_t duration_ns =</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; prev_sample_-&gt;duration() * kSecondsToNs / info_-&gt;time_scale();</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; frame.set_duration(duration_ns);</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; }</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; frame.set_is_key(prev_sample_-&gt;is_key_frame());</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; frame.set_timestamp(prev_sample_-&gt;pts() * kSecondsToNs / info_-&gt;time_scale());</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; frame.set_track_number(track_id_);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordflow">if</span> (prev_sample_-&gt;side_data_size() &gt; 0) {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; uint64_t block_add_id;</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="comment">// First 8 bytes of side_data is the BlockAddID element&#39;s value, which is</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="comment">// done to mimic ffmpeg behavior. See webm_cluster_parser.cc for details.</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; CHECK_GT(prev_sample_-&gt;side_data_size(), <span class="keyword">sizeof</span>(block_add_id));</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; memcpy(&amp;block_add_id, prev_sample_-&gt;side_data(), <span class="keyword">sizeof</span>(block_add_id));</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="keywordflow">if</span> (!frame.AddAdditionalData(</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; prev_sample_-&gt;side_data() + <span class="keyword">sizeof</span>(block_add_id),</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; prev_sample_-&gt;side_data_size() - <span class="keyword">sizeof</span>(block_add_id),</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; block_add_id)) {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; <span class="keywordflow">return</span> Status(</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; error::MUXER_FAILURE,</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="stringliteral">&quot;Error adding sample to segment: Frame::AddAditionalData Failed&quot;</span>);</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; }</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; }</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160;</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <span class="keywordflow">if</span> (!prev_sample_-&gt;is_key_frame() &amp;&amp; !frame.CanBeSimpleBlock()) {</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keyword">const</span> int64_t timestamp_ns =</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; reference_frame_timestamp_ * kSecondsToNs / info_-&gt;time_scale();</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; frame.set_reference_block_timestamp(timestamp_ns);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; }</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160;</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; <span class="comment">// GetRelativeTimecode will return -1 if the relative timecode is too large</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; <span class="comment">// to fit in the frame.</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="keywordflow">if</span> (cluster_-&gt;GetRelativeTimecode(frame.timestamp() /</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; cluster_-&gt;timecode_scale()) &lt; 0) {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="keyword">const</span> <span class="keywordtype">double</span> segment_duration =</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(frame.timestamp()) / kSecondsToNs;</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; LOG(ERROR) &lt;&lt; <span class="stringliteral">&quot;Error adding sample to segment: segment too large, &quot;</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; &lt;&lt; segment_duration &lt;&lt; <span class="stringliteral">&quot; seconds.&quot;</span>;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; <span class="stringliteral">&quot;Error adding sample to segment: segment too large&quot;</span>);</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160;</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; <span class="keywordflow">if</span> (!cluster_-&gt;AddFrame(&amp;frame)) {</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; <span class="keywordflow">return</span> Status(error::MUXER_FAILURE,</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160; <span class="stringliteral">&quot;Error adding sample to segment: Cluster::AddFrame failed&quot;</span>);</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;</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; <span class="comment">// A reference frame is needed for non-keyframes. Having a reference to the</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <span class="comment">// previous block is good enough.</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; <span class="comment">// See libwebm Segment::AddGenericFrame</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; reference_frame_timestamp_ = prev_sample_-&gt;pts();</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keywordflow">return</span> Status::OK;</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;</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160;} <span class="comment">// namespace webm</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160;} <span class="comment">// namespace edash_packager</span></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html_a378a415c21d171a125e0760f0403eb87"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a378a415c21d171a125e0760f0403eb87">edash_packager::media::VideoStreamInfo::pixel_height</a></div><div class="ttdeci">uint32_t pixel_height() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00066">video_stream_info.h:66</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1MkvWriter_html"><div class="ttname"><a href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html">edash_packager::media::MkvWriter</a></div><div class="ttdoc">An implementation of IMkvWriter using our File type. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/dd6/mkv__writer_8h_source.html#l00021">mkv_writer.h:21</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1MkvWriter_html_ad9aca56b48f2b833b7fb91cb4a5492e0"><div class="ttname"><a href="../../d4/d8c/classedash__packager_1_1media_1_1MkvWriter.html#ad9aca56b48f2b833b7fb91cb4a5492e0">edash_packager::media::MkvWriter::Position</a></div><div class="ttdeci">mkvmuxer::int64 Position() const override</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc8/mkv__writer_8cc_source.html#l00063">mkv_writer.cc:63</a></div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_a7542af69b834f3a72e5c5b25f4f0f474"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a7542af69b834f3a72e5c5b25f4f0f474">edash_packager::media::MuxerOptions::single_segment</a></div><div class="ttdeci">bool single_segment</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00024">muxer_options.h:24</a></div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_a1754599c00fdf4c474d3072abf71c1de"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a1754599c00fdf4c474d3072abf71c1de">edash_packager::media::MuxerOptions::fragment_duration</a></div><div class="ttdeci">double fragment_duration</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00034">muxer_options.h:34</a></div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_ab70f1d41f9556fa793ec638762d1c584"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ab70f1d41f9556fa793ec638762d1c584">edash_packager::media::MuxerOptions::fragment_sap_aligned</a></div><div class="ttdeci">bool fragment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00043">muxer_options.h:43</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_af6ec4732a1d6addb755c85e0fface542"><div class="ttname"><a href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#af6ec4732a1d6addb755c85e0fface542">edash_packager::media::mp4::Segmenter::Initialize</a></div><div class="ttdeci">Status Initialize(const std::vector&lt; MediaStream * &gt; &amp;streams, MuxerListener *muxer_listener, ProgressListener *progress_listener, KeySource *encryption_key_source, uint32_t max_sd_pixels, double clear_lead_in_seconds, double crypto_period_duration_in_seconds, FourCC protection_scheme)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00130">segmenter.cc:130</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1StreamInfo_html"><div class="ttname"><a href="../../d6/d06/classedash__packager_1_1media_1_1StreamInfo.html">edash_packager::media::StreamInfo</a></div><div class="ttdoc">Abstract class holds stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/daa/stream__info_8h_source.html#l00026">stream_info.h:26</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_a0e5e570d5f82c796ba015ca06c7a676c"><div class="ttname"><a href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a0e5e570d5f82c796ba015ca06c7a676c">edash_packager::media::mp4::Segmenter::GetDuration</a></div><div class="ttdeci">double GetDuration() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00329">segmenter.cc:329</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_ad1136a3e7c2e796267fbd3879d108c2a"><div class="ttname"><a href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ad1136a3e7c2e796267fbd3879d108c2a">edash_packager::media::mp4::Segmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00245">segmenter.cc:245</a></div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_a71efefea31d61d439c1d09a6563e8948"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a71efefea31d61d439c1d09a6563e8948">edash_packager::media::MuxerOptions::packager_version_string</a></div><div class="ttdeci">std::string packager_version_string</div><div class="ttdoc">Specify the version string to be embedded in the output files. </div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00071">muxer_options.h:71</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1ProgressListener_html"><div class="ttname"><a href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html">edash_packager::media::ProgressListener</a></div><div class="ttdoc">This class listens to progress updates events. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9d/progress__listener_8h_source.html#l00020">progress_listener.h:20</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1Status_html"><div class="ttname"><a href="../../d2/d90/classedash__packager_1_1media_1_1Status.html">edash_packager::media::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00075">status.h:75</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_a5c21059ee9a533caec81491bdb751c57"><div class="ttname"><a href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a5c21059ee9a533caec81491bdb751c57">edash_packager::media::mp4::Segmenter::AddSample</a></div><div class="ttdeci">Status AddSample(const MediaStream *stream, scoped_refptr&lt; MediaSample &gt; sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00271">segmenter.cc:271</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html">edash_packager::media::MuxerListener</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/dfa/muxer__listener_8h_source.html#l00030">muxer_listener.h:30</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html">edash_packager::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#l00031">key_source.h:31</a></div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_af0403298bf08392bb3009061cd8de2b0"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#af0403298bf08392bb3009061cd8de2b0">edash_packager::media::MuxerOptions::segment_sap_aligned</a></div><div class="ttdeci">bool segment_sap_aligned</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00038">muxer_options.h:38</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1ProgressListener_html_a2e30994077f8798d56f61ee20fd9a776"><div class="ttname"><a href="../../d9/d2c/classedash__packager_1_1media_1_1ProgressListener.html#a2e30994077f8798d56f61ee20fd9a776">edash_packager::media::ProgressListener::OnProgress</a></div><div class="ttdeci">virtual void OnProgress(double progress)=0</div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_a287d51571c92704274550d9f1d246cf9"><div class="ttname"><a href="../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9">edash_packager::media::mp4::Segmenter::UpdateProgress</a></div><div class="ttdeci">void UpdateProgress(uint64_t progress)</div><div class="ttdoc">Update segmentation progress using ProgressListener. </div><div class="ttdef"><b>Definition:</b> <a href="../../d2/da8/mp4_2segmenter_8cc_source.html#l00338">segmenter.cc:338</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html">edash_packager::media::VideoStreamInfo</a></div><div class="ttdoc">Holds video stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00031">video_stream_info.h:31</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1VideoStreamInfo_html_a560d825dacae19d65a800396f7359645"><div class="ttname"><a href="../../d7/d3a/classedash__packager_1_1media_1_1VideoStreamInfo.html#a560d825dacae19d65a800396f7359645">edash_packager::media::VideoStreamInfo::pixel_width</a></div><div class="ttdeci">uint32_t pixel_width() const </div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d87/video__stream__info_8h_source.html#l00063">video_stream_info.h:63</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1MuxerListener_html_a5626ff553138db438c561db2ca0d05f2"><div class="ttname"><a href="../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a5626ff553138db438c561db2ca0d05f2">edash_packager::media::MuxerListener::OnSampleDurationReady</a></div><div class="ttdeci">virtual void OnSampleDurationReady(uint32_t sample_duration)=0</div></div>
<div class="ttc" id="structedash__packager_1_1media_1_1MuxerOptions_html_ad6f281dfd832bd073f5fb5fc46342f9f"><div class="ttname"><a href="../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#ad6f281dfd832bd073f5fb5fc46342f9f">edash_packager::media::MuxerOptions::segment_duration</a></div><div class="ttdeci">double segment_duration</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00030">muxer_options.h:30</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Apr 12 2016 23:58:02 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>