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<div class="title">tracks_builder.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// found in the LICENSE file.</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> </div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <list></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "packager/base/macros.h"</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html"> 19</a></span> <span class="keyword">class </span><a class="code" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">TracksBuilder</a> {</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="comment">// If |allow_invalid_values| is false, some AddTrack() parameters will be</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="comment">// basically checked and will assert if out of valid range. |codec_id|,</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="comment">// |name|, |language| and any device-specific constraints are not checked.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">explicit</span> <a class="code" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">TracksBuilder</a>(<span class="keywordtype">bool</span> allow_invalid_values);</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <a class="code" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">TracksBuilder</a>(); <span class="comment">// Sets |allow_invalid_values| to false.</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  ~<a class="code" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">TracksBuilder</a>();</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">// Only a non-negative |default_duration| will result in a serialized</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="comment">// kWebMIdDefaultDuration element. Note, 0 is allowed here for testing only</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">// if |allow_invalid_values_| is true, since it is an illegal value for</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// DefaultDuration. Similar applies to |audio_channels|,</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// |audio_sampling_frequency|, |video_pixel_width| and |video_pixel_height|.</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">void</span> AddVideoTrack(<span class="keywordtype">int</span> track_num,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  uint64_t track_uid,</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> std::string& codec_id,</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> std::string& name,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">const</span> std::string& language,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">int</span> default_duration,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">int</span> video_pixel_width,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">int</span> video_pixel_height);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> AddAudioTrack(<span class="keywordtype">int</span> track_num,</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  uint64_t track_uid,</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> std::string& codec_id,</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">const</span> std::string& name,</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> std::string& language,</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">int</span> default_duration,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">int</span> audio_channels,</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">double</span> audio_sampling_frequency);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> AddTextTrack(<span class="keywordtype">int</span> track_num,</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  uint64_t track_uid,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> std::string& codec_id,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> std::string& name,</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">const</span> std::string& language);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::vector<uint8_t> Finish();</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> AddTrackInternal(<span class="keywordtype">int</span> track_num,</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> track_type,</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  uint64_t track_uid,</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">const</span> std::string& codec_id,</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> std::string& name,</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> std::string& language,</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">int</span> default_duration,</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">int</span> video_pixel_width,</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">int</span> video_pixel_height,</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> audio_channels,</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">double</span> audio_sampling_frequency);</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> GetTracksSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> GetTracksPayloadSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> WriteTracks(uint8_t* buffer, <span class="keywordtype">int</span> buffer_size) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">class </span>Track {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Track(<span class="keywordtype">int</span> track_num,</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">int</span> track_type,</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  uint64_t track_uid,</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> std::string& codec_id,</div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::string& name,</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> std::string& language,</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">int</span> default_duration,</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> video_pixel_width,</div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">int</span> video_pixel_height,</div>
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<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> audio_channels,</div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">double</span> audio_sampling_frequency,</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">bool</span> allow_invalid_values);</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="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">int</span> GetSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">void</span> Write(uint8_t** buf, <span class="keywordtype">int</span>* buf_size) <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">private</span>:</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> GetPayloadSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span> GetVideoPayloadSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> GetAudioPayloadSize() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">int</span> track_num_;</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">int</span> track_type_;</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> track_uid_;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  std::string codec_id_;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  std::string name_;</div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  std::string language_;</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> default_duration_;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span> video_pixel_width_;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">int</span> video_pixel_height_;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">int</span> audio_channels_;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">double</span> audio_sampling_frequency_;</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> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">typedef</span> std::list<Track> TrackList;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  TrackList tracks_;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">bool</span> allow_invalid_values_;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">TracksBuilder</a>);</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> </div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#endif // MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1TracksBuilder_html"><div class="ttname"><a href="../../d8/d74/classshaka_1_1media_1_1TracksBuilder.html">shaka::media::TracksBuilder</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d9d/tracks__builder_8h_source.html#l00019">tracks_builder.h:19</a></div></div>
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