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<div class="title">webm_cluster_parser.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 The Chromium Authors. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Use of this source code is governed by a BSD-style license that can be</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// found in the LICENSE file.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_WEBM_CLUSTER_PARSER_H_</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_WEBM_CLUSTER_PARSER_H_</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &lt;deque&gt;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="preprocessor">#include &quot;packager/base/compiler_specific.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/decryptor_source.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/media_parser.h&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#include &quot;packager/media/base/media_sample.h&quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_parser.h&quot;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &quot;packager/media/formats/webm/webm_tracks_parser.h&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>shaka {</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;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html"> 24</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html">WebMClusterParser</a> : <span class="keyword">public</span> <a class="code" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">WebMParserClient</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d"> 30</a></span>&#160; <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d">kDefaultAudioBufferDurationInMs</a> = 23,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f"> 34</a></span>&#160; <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f">kDefaultVideoBufferDurationInMs</a> = 63</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; };</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="comment">// Helper class that manages per-track state.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">class </span>Track {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; Track(<span class="keywordtype">int</span> track_num,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordtype">bool</span> is_video,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; int64_t default_duration,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">MediaParser::NewSampleCB</a>&amp; new_sample_cb);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; ~Track();</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">int</span> track_num()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> track_num_; }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="comment">// If |last_added_buffer_missing_duration_| is set, updates its duration</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="comment">// relative to |buffer|&#39;s timestamp, and emits it and unsets</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="comment">// |last_added_buffer_missing_duration_|. Otherwise, if |buffer| is missing</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="comment">// duration, saves |buffer| into |last_added_buffer_missing_duration_|.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keywordtype">bool</span> EmitBuffer(<span class="keyword">const</span> std::shared_ptr&lt;MediaSample&gt;&amp; buffer);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="comment">// If |last_added_buffer_missing_duration_| is set, estimate the duration</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="comment">// for this buffer using helper function GetDurationEstimate() then emits it</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="comment">// and unsets |last_added_buffer_missing_duration_| (This method helps</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="comment">// stream parser emit all buffers in a media segment).</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordtype">bool</span> ApplyDurationEstimateIfNeeded();</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="comment">// Clears all buffer state, including any possibly held-aside buffer that</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="comment">// was missing duration.</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94">Reset</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; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="comment">// Helper that sanity-checks |buffer| duration, updates</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="comment">// |estimated_next_frame_duration_|, and emits |buffer|.</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Returns false if |buffer| failed sanity check and therefore was not</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="comment">// emitted. Returns true otherwise.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordtype">bool</span> EmitBufferHelp(<span class="keyword">const</span> std::shared_ptr&lt;MediaSample&gt;&amp; buffer);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// Helper function that calculates the buffer duration to use in</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="comment">// ApplyDurationEstimateIfNeeded().</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; int64_t GetDurationEstimate();</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordtype">int</span> track_num_;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordtype">bool</span> is_video_;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// Holding the sample that is missing duration. The duration will be</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// computed from the difference in timestamp when next sample arrives; or</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// estimated if it is the last sample in this track.</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; std::shared_ptr&lt;MediaSample&gt; last_added_buffer_missing_duration_;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// If kNoTimestamp, then |estimated_next_frame_duration_| will be used.</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; int64_t default_duration_;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="comment">// If kNoTimestamp, then a hardcoded default value will be used. This</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="comment">// estimate is the maximum duration seen so far for this track, and is used</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="comment">// only if |default_duration_| is kNoTimestamp.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; int64_t estimated_next_frame_duration_;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">MediaParser::NewSampleCB</a> new_sample_cb_;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; };</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keyword">typedef</span> std::map&lt;int, Track&gt; TextTrackMap;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a59da447ae099935eaa26f69cfecefc02">WebMClusterParser</a>(int64_t timecode_scale,</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; std::shared_ptr&lt;AudioStreamInfo&gt; audio_stream_info,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; std::shared_ptr&lt;VideoStreamInfo&gt; video_stream_info,</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; int64_t audio_default_duration,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; int64_t video_default_duration,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keyword">const</span> WebMTracksParser::TextTracks&amp; text_tracks,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keyword">const</span> std::set&lt;int64_t&gt;&amp; ignored_tracks,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keyword">const</span> std::string&amp; audio_encryption_key_id,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">const</span> std::string&amp; video_encryption_key_id,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">MediaParser::NewSampleCB</a>&amp; new_sample_cb,</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">const</span> <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf">MediaParser::InitCB</a>&amp; init_cb,</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; KeySource* decryption_key_source);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; ~<a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a59da447ae099935eaa26f69cfecefc02">WebMClusterParser</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94">Reset</a>();</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee">Flush</a>() WARN_UNUSED_RESULT;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordtype">int</span> <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67">Parse</a>(const uint8_t* buf, <span class="keywordtype">int</span> size);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; int64_t cluster_start_time()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> cluster_start_time_; }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a66f87fef54ed47bd36d740254d52b9c7"> 151</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a66f87fef54ed47bd36d740254d52b9c7">cluster_ended</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> cluster_ended_; }</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="keyword">private</span>:</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="comment">// WebMParserClient methods.</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">WebMParserClient</a>* OnListStart(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordtype">bool</span> OnListEnd(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordtype">bool</span> OnUInt(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, int64_t val) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordtype">bool</span> OnBinary(<span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keyword">const</span> uint8_t* data, <span class="keywordtype">int</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">bool</span> ParseBlock(<span class="keywordtype">bool</span> is_simple_block,</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">const</span> uint8_t* buf,</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">int</span> size,</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">const</span> uint8_t* additional,</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordtype">int</span> additional_size,</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordtype">int</span> duration,</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; int64_t discard_padding,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordtype">bool</span> reference_block_set);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordtype">bool</span> OnBlock(<span class="keywordtype">bool</span> is_simple_block,</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordtype">int</span> track_num,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="keywordtype">int</span> timecode,</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordtype">int</span> duration,</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keyword">const</span> uint8_t* data,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="keywordtype">int</span> size,</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">const</span> uint8_t* additional,</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keywordtype">int</span> additional_size,</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; int64_t discard_padding,</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keywordtype">bool</span> is_key_frame);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">// Resets the Track objects associated with each text track.</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keywordtype">void</span> ResetTextTracks();</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"> 182</span>&#160; <span class="comment">// Search for the indicated track_num among the text tracks. Returns NULL</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="comment">// if that track num is not a text track.</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; Track* FindTextTrack(<span class="keywordtype">int</span> track_num);</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; <span class="comment">// Multiplier used to convert timecodes into microseconds.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordtype">double</span> timecode_multiplier_;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; std::shared_ptr&lt;AudioStreamInfo&gt; audio_stream_info_;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; std::shared_ptr&lt;VideoStreamInfo&gt; video_stream_info_;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; std::set&lt;int64_t&gt; ignored_tracks_;</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; std::unique_ptr&lt;DecryptorSource&gt; decryptor_source_;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; std::string audio_encryption_key_id_;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; std::string video_encryption_key_id_;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <a class="code" href="../../dc/dca/classshaka_1_1media_1_1WebMListParser.html">WebMListParser</a> parser_;</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; <span class="comment">// Indicates whether init_cb has been executed. |init_cb| is executed when we</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="comment">// have codec configuration of video stream, which is extracted from the first</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="comment">// video sample.</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordtype">bool</span> initialized_;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <a class="code" href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf">MediaParser::InitCB</a> init_cb_;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; int64_t last_block_timecode_ = -1;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; std::unique_ptr&lt;uint8_t[]&gt; block_data_;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="keywordtype">int</span> block_data_size_ = -1;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; int64_t block_duration_ = -1;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; int64_t block_add_id_ = -1;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; std::unique_ptr&lt;uint8_t[]&gt; block_additional_data_;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="comment">// Must be 0 if |block_additional_data_| is null. Must be &gt; 0 if</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="comment">// |block_additional_data_| is NOT null.</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keywordtype">int</span> block_additional_data_size_ = 0;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; int64_t discard_padding_ = -1;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordtype">bool</span> discard_padding_set_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordtype">bool</span> reference_block_set_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; int64_t cluster_timecode_ = -1;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; int64_t cluster_start_time_;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordtype">bool</span> cluster_ended_ = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; Track audio_;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; Track video_;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; TextTrackMap text_track_map_;</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160;</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html">WebMClusterParser</a>);</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;</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160;} <span class="comment">// namespace shaka</span></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="preprocessor">#endif // MEDIA_FORMATS_WEBM_WEBM_CLUSTER_PARSER_H_</span></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMListParser_html"><div class="ttname"><a href="../../dc/dca/classshaka_1_1media_1_1WebMListParser.html">shaka::media::WebMListParser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d46/webm__parser_8h_source.html#l00054">webm_parser.h:54</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0a696e4587c758dc7908ad6bbb376ae06d">shaka::media::WebMClusterParser::kDefaultAudioBufferDurationInMs</a></div><div class="ttdoc">Common 1k samples @44.1kHz. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00030">webm_cluster_parser.h:30</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_a66f87fef54ed47bd36d740254d52b9c7"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a66f87fef54ed47bd36d740254d52b9c7">shaka::media::WebMClusterParser::cluster_ended</a></div><div class="ttdeci">bool cluster_ended() const </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00151">webm_cluster_parser.h:151</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_aba1bae97c2d96181027e43b0a1993e67"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67">shaka::media::WebMClusterParser::Parse</a></div><div class="ttdeci">int Parse(const uint8_t *buf, int size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00091">webm_cluster_parser.cc:91</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1MediaParser_html_aef5795d2b3df2526c6e8afe1e4d072bf"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf">shaka::media::MediaParser::InitCB</a></div><div class="ttdeci">base::Callback&lt; void(const std::vector&lt; std::shared_ptr&lt; StreamInfo &gt; &gt; &amp;stream_info)&gt; InitCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00034">media_parser.h:34</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1MediaParser_html_a3a1f87fb3ed95a9cbd2b6873326a1a4c"><div class="ttname"><a href="../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a3a1f87fb3ed95a9cbd2b6873326a1a4c">shaka::media::MediaParser::NewSampleCB</a></div><div class="ttdeci">base::Callback&lt; bool(uint32_t track_id, const std::shared_ptr&lt; MediaSample &gt; &amp;media_sample)&gt; NewSampleCB</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d12/media__parser_8h_source.html#l00043">media_parser.h:43</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_ac3d4be1a12667ed722915be727747eee"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee">shaka::media::WebMClusterParser::Flush</a></div><div class="ttdeci">bool Flush() WARN_UNUSED_RESULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00083">webm_cluster_parser.cc:83</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html">shaka::media::WebMClusterParser</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00024">webm_cluster_parser.h:24</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abe19fd2154084026a514541e152600e0ae4ed667d0b90505a42a7983b0aa4d57f">shaka::media::WebMClusterParser::kDefaultVideoBufferDurationInMs</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3c/webm__cluster__parser_8h_source.html#l00034">webm_cluster_parser.h:34</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMParserClient_html"><div class="ttname"><a href="../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html">shaka::media::WebMParserClient</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d46/webm__parser_8h_source.html#l00030">webm_parser.h:30</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_a59da447ae099935eaa26f69cfecefc02"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a59da447ae099935eaa26f69cfecefc02">shaka::media::WebMClusterParser::WebMClusterParser</a></div><div class="ttdeci">WebMClusterParser(int64_t timecode_scale, std::shared_ptr&lt; AudioStreamInfo &gt; audio_stream_info, std::shared_ptr&lt; VideoStreamInfo &gt; video_stream_info, int64_t audio_default_duration, int64_t video_default_duration, const WebMTracksParser::TextTracks &amp;text_tracks, const std::set&lt; int64_t &gt; &amp;ignored_tracks, const std::string &amp;audio_encryption_key_id, const std::string &amp;video_encryption_key_id, const MediaParser::NewSampleCB &amp;new_sample_cb, const MediaParser::InitCB &amp;init_cb, KeySource *decryption_key_source)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00029">webm_cluster_parser.cc:29</a></div></div>
<div class="ttc" id="classshaka_1_1media_1_1WebMClusterParser_html_abb306c3299a7279125b8f321ef5bbc94"><div class="ttname"><a href="../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94">shaka::media::WebMClusterParser::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdoc">Resets the parser state so it can accept a new cluster. </div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d8f/webm__cluster__parser_8cc_source.html#l00072">webm_cluster_parser.cc:72</a></div></div>
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