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<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>
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<div class="title">segmenter.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2015 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_SEGMENTER_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_SEGMENTER_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <memory></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/memory/ref_counted.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/status.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/media/formats/webm/encryptor.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/media/formats/webm/mkv_writer.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "packager/media/formats/webm/seek_head.h"</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "packager/third_party/libwebm/src/mkvmuxer.hpp"</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">struct </span>MuxerOptions;</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">class </span>AudioStreamInfo;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">class </span>KeySource;</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">class </span>MediaSample;</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">class </span>StreamInfo;</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">class </span>MuxerListener;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">class </span>ProgressListener;</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">class </span>StreamInfo;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">class </span>VideoStreamInfo;</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>webm {</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html">Segmenter</a> {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">explicit</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html">Segmenter</a>(<span class="keyword">const</span> <a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& options);</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">virtual</span> ~<a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html">Segmenter</a>();</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#abfde7f995368ea9e91ded9f4980903a6">Initialize</a>(std::unique_ptr<MkvWriter> writer,</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>* info,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html">ProgressListener</a>* progress_listener,</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* encryption_key_source,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  uint32_t max_sd_pixels,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  uint32_t max_hd_pixels,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  uint32_t max_uhd1_pixels,</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">double</span> clear_lead_in_seconds);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417">Finalize</a>();</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa15ccabe1a33c660201ef1d8386067e5">AddSample</a>(scoped_refptr<MediaSample> sample);</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a611b919c82885b6bcfe39a1def78548c">GetInitRangeStartAndEnd</a>(uint64_t* start, uint64_t* end) = 0;</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a3a6c1932e6c4894a61eb7230022bceb5">GetIndexRangeStartAndEnd</a>(uint64_t* start, uint64_t* end) = 0;</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">float</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a277aeb59ed41fc484a86101d565017ae">GetDuration</a>() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  uint64_t <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a66c49dfab5316bea5b7b318871aef129">FromBMFFTimescale</a>(uint64_t time_timescale);</div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  uint64_t <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a8de27c5b6480f968cbef9eafec3731d7">FromWebMTimecode</a>(uint64_t time_webm_timecode);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aebcf73c5a1c3ae0f2608032d2a6ee445">WriteSegmentHeader</a>(uint64_t file_size, <a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer);</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a6060ddc97c58e4435d1db932de17e131">SetCluster</a>(uint64_t start_webm_timecode,</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  uint64_t position,</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">MkvWriter</a>* writer);</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">void</span> <a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2">UpdateProgress</a>(uint64_t progress);</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> set_progress_target(uint64_t target) { progress_target_ = target; }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> <a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& options()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> options_; }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  mkvmuxer::Cluster* cluster() { <span class="keywordflow">return</span> cluster_.get(); }</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  mkvmuxer::Cues* cues() { <span class="keywordflow">return</span> &cues_; }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener() { <span class="keywordflow">return</span> muxer_listener_; }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>* info() { <span class="keywordflow">return</span> info_; }</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>* seek_head() { <span class="keywordflow">return</span> &seek_head_; }</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> track_id()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> track_id_; }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  uint64_t segment_payload_pos()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> segment_payload_pos_; }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  uint64_t cluster_length_in_time_scale()<span class="keyword"> const </span>{</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> cluster_length_in_time_scale_;</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> DoInitialize(std::unique_ptr<MkvWriter> writer) = 0;</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> DoFinalize() = 0;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> CreateVideoTrack(<a class="code" href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">VideoStreamInfo</a>* info);</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> CreateAudioTrack(<a class="code" href="../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html">AudioStreamInfo</a>* info);</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> InitializeEncryptor(<a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* key_source, uint32_t max_sd_pixels,</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  uint32_t max_hd_pixels, uint32_t max_uhd1_pixels);</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// Writes the previous frame to the file.</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> WriteFrame(<span class="keywordtype">bool</span> write_duration);</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// This is called when there needs to be a new subsegment. This does nothing</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// in single-segment mode. In multi-segment mode this creates a new Cluster</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// element.</span></div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> NewSubsegment(uint64_t start_timescale) = 0;</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// This is called when there needs to be a new segment. In single-segment</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// mode, this creates a new Cluster element. In multi-segment mode this</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// creates a new output file.</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">virtual</span> <a class="code" href="../../d0/d93/classshaka_1_1media_1_1Status.html">Status</a> NewSegment(uint64_t start_timescale) = 0;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// Store the previous sample so we know which one is the last frame.</span></div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  scoped_refptr<MediaSample> prev_sample_;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// The reference frame timestamp; used to populate the ReferenceBlock element</span></div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// when writing non-keyframe BlockGroups.</span></div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  uint64_t reference_frame_timestamp_;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">MuxerOptions</a>& options_;</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  std::unique_ptr<Encryptor> encryptor_;</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">double</span> clear_lead_;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">bool</span> enable_encryption_; <span class="comment">// Encryption is enabled only after clear_lead_.</span></div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::unique_ptr<mkvmuxer::Cluster> cluster_;</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  mkvmuxer::Cues cues_;</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a> seek_head_;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  mkvmuxer::SegmentInfo segment_info_;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  mkvmuxer::Tracks tracks_;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">StreamInfo</a>* info_;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">MuxerListener</a>* muxer_listener_;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html">ProgressListener</a>* progress_listener_;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  uint64_t progress_target_;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  uint64_t accumulated_progress_;</div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  uint64_t first_timestamp_;</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  int64_t sample_duration_;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// The position (in bytes) of the start of the Segment payload in the init</span></div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// file. This is also the size of the header before the SeekHead.</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  uint64_t segment_payload_pos_;</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Durations in timescale.</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  uint64_t cluster_length_in_time_scale_;</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  uint64_t segment_length_in_time_scale_;</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">int</span> track_id_;</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html">Segmenter</a>);</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> };</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> } <span class="comment">// namespace webm</span></div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#endif // MEDIA_FORMATS_WEBM_SEGMENTER_H_</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_aebcf73c5a1c3ae0f2608032d2a6ee445"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aebcf73c5a1c3ae0f2608032d2a6ee445">shaka::media::webm::Segmenter::WriteSegmentHeader</a></div><div class="ttdeci">Status WriteSegmentHeader(uint64_t file_size, MkvWriter *writer)</div><div class="ttdoc">Writes the Segment header to writer. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00221">segmenter.cc:221</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1StreamInfo_html"><div class="ttname"><a href="../../d5/db1/classshaka_1_1media_1_1StreamInfo.html">shaka::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#l00053">stream_info.h:53</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a277aeb59ed41fc484a86101d565017ae"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a277aeb59ed41fc484a86101d565017ae">shaka::media::webm::Segmenter::GetDuration</a></div><div class="ttdeci">float GetDuration() const </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00203">segmenter.cc:203</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_aa15ccabe1a33c660201ef1d8386067e5"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa15ccabe1a33c660201ef1d8386067e5">shaka::media::webm::Segmenter::AddSample</a></div><div class="ttdeci">Status AddSample(scoped_refptr< MediaSample > sample)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00124">segmenter.cc:124</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1SeekHead_html"><div class="ttname"><a href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">shaka::media::SeekHead</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/de4/seek__head_8h_source.html#l00020">seek_head.h:20</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_abfde7f995368ea9e91ded9f4980903a6"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#abfde7f995368ea9e91ded9f4980903a6">shaka::media::webm::Segmenter::Initialize</a></div><div class="ttdeci">Status Initialize(std::unique_ptr< MkvWriter > writer, StreamInfo *info, ProgressListener *progress_listener, MuxerListener *muxer_listener, KeySource *encryption_key_source, uint32_t max_sd_pixels, uint32_t max_hd_pixels, uint32_t max_uhd1_pixels, double clear_lead_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00051">segmenter.cc:51</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1MuxerOptions_html"><div class="ttname"><a href="../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html">shaka::media::MuxerOptions</a></div><div class="ttdoc">This structure contains the list of configuration options for Muxer. </div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d0e/muxer__options_8h_source.html#l00018">muxer_options.h:18</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a6060ddc97c58e4435d1db932de17e131"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a6060ddc97c58e4435d1db932de17e131">shaka::media::webm::Segmenter::SetCluster</a></div><div class="ttdeci">Status SetCluster(uint64_t start_webm_timecode, uint64_t position, MkvWriter *writer)</div><div class="ttdoc">Creates a Cluster object with the given parameters. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00259">segmenter.cc:259</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1ProgressListener_html"><div class="ttname"><a href="../../d4/de6/classshaka_1_1media_1_1ProgressListener.html">shaka::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>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a3a6c1932e6c4894a61eb7230022bceb5"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a3a6c1932e6c4894a61eb7230022bceb5">shaka::media::webm::Segmenter::GetIndexRangeStartAndEnd</a></div><div class="ttdeci">virtual bool GetIndexRangeStartAndEnd(uint64_t *start, uint64_t *end)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MkvWriter_html"><div class="ttname"><a href="../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html">shaka::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>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html">shaka::media::webm::Segmenter</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/ddc/webm_2segmenter_8h_source.html#l00034">segmenter.h:34</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1Status_html"><div class="ttname"><a href="../../d0/d93/classshaka_1_1media_1_1Status.html">shaka::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>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_aa84782877f1afaf9519a552ac3d5d417"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417">shaka::media::webm::Segmenter::Finalize</a></div><div class="ttdeci">Status Finalize()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00113">segmenter.cc:113</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00030">key_source.h:30</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a32dc8b7461252b99fe52384b04e3bca2"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2">shaka::media::webm::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="../../dc/d53/webm_2segmenter_8cc_source.html#l00268">segmenter.cc:268</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a611b919c82885b6bcfe39a1def78548c"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a611b919c82885b6bcfe39a1def78548c">shaka::media::webm::Segmenter::GetInitRangeStartAndEnd</a></div><div class="ttdeci">virtual bool GetInitRangeStartAndEnd(uint64_t *start, uint64_t *end)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a8de27c5b6480f968cbef9eafec3731d7"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a8de27c5b6480f968cbef9eafec3731d7">shaka::media::webm::Segmenter::FromWebMTimecode</a></div><div class="ttdeci">uint64_t FromWebMTimecode(uint64_t time_webm_timecode)</div><div class="ttdoc">Converts the given time in WebM timecode to ISO BMFF timescale. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00215">segmenter.cc:215</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1VideoStreamInfo_html"><div class="ttname"><a href="../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html">shaka::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#l00016">video_stream_info.h:16</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AudioStreamInfo_html"><div class="ttname"><a href="../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html">shaka::media::AudioStreamInfo</a></div><div class="ttdoc">Holds audio stream information. </div><div class="ttdef"><b>Definition:</b> <a href="../../df/d32/audio__stream__info_8h_source.html#l00018">audio_stream_info.h:18</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1webm_1_1Segmenter_html_a66c49dfab5316bea5b7b318871aef129"><div class="ttname"><a href="../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a66c49dfab5316bea5b7b318871aef129">shaka::media::webm::Segmenter::FromBMFFTimescale</a></div><div class="ttdeci">uint64_t FromBMFFTimescale(uint64_t time_timescale)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d53/webm_2segmenter_8cc_source.html#l00208">segmenter.cc:208</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1MuxerListener_html"><div class="ttname"><a href="../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html">shaka::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>
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