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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_1338cd99faf71b6cb1609e99e3340e45.html">chunking</a></li> </ul>
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<div class="title">sync_point_queue.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 2018 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">#include <map></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <memory></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 "packager/base/synchronization/condition_variable.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/base/synchronization/lock.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/public/ad_cue_generator_params.h"</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="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">struct </span>CueEvent;</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="l00020"></a><span class="lineno"><a class="line" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html"> 20</a></span> <span class="keyword">class </span><a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">explicit</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>(<span class="keyword">const</span> <a class="code" href="../../dd/dfd/structshaka_1_1AdCueGeneratorParams.html">AdCueGeneratorParams</a>& params);</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  ~<a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>() = <span class="keywordflow">default</span>;</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">void</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a84f1c4ad047ffa4bd75d5d1426bf9cd2">AddThread</a>();</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordtype">void</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a77ec615ca1fa21d347bf03c537af9ed8">Cancel</a>();</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="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">double</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#aef18f6547ff76cb8c6a5e14270950a59">GetHint</a>(<span class="keywordtype">double</span> time_in_seconds);</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  std::shared_ptr<const CueEvent> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a49bdaa61608fe2229eaff4032dd804b1">GetNext</a>(<span class="keywordtype">double</span> hint_in_seconds);</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::shared_ptr<const CueEvent> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a17af2cb9949f40ee8aa06cfdd55b2c16">PromoteAt</a>(<span class="keywordtype">double</span> time_in_seconds);</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">bool</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a5d27bfb8e8c3209222352f721f9b5236">HasMore</a>(<span class="keywordtype">double</span> hint_in_seconds) <span class="keyword">const</span>;</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>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>(<span class="keyword">const</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">SyncPointQueue</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// PromoteAt() without locking. It is called by PromoteAt() and other</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// functions that have locks.</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  std::shared_ptr<const CueEvent> PromoteAtNoLocking(<span class="keywordtype">double</span> time_in_seconds);</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  base::Lock lock_;</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  base::ConditionVariable sync_condition_;</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">size_t</span> thread_count_ = 0;</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">size_t</span> waiting_thread_count_ = 0;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">bool</span> cancelled_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  std::map<double, std::shared_ptr<CueEvent>> unpromoted_;</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::map<double, std::shared_ptr<CueEvent>> promoted_;</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</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="comment">// namespace media</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> } <span class="comment">// namespace shaka</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html">shaka::media::SyncPointQueue</a></div><div class="ttdoc">A synchronized queue for cue points.</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d5f/sync__point__queue_8h_source.html#l00020">sync_point_queue.h:20</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_a5d27bfb8e8c3209222352f721f9b5236"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a5d27bfb8e8c3209222352f721f9b5236">shaka::media::SyncPointQueue::HasMore</a></div><div class="ttdeci">bool HasMore(double hint_in_seconds) const</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00090">sync_point_queue.cc:90</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_a49bdaa61608fe2229eaff4032dd804b1"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a49bdaa61608fe2229eaff4032dd804b1">shaka::media::SyncPointQueue::GetNext</a></div><div class="ttdeci">std::shared_ptr< const CueEvent > GetNext(double hint_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00054">sync_point_queue.cc:54</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_a77ec615ca1fa21d347bf03c537af9ed8"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a77ec615ca1fa21d347bf03c537af9ed8">shaka::media::SyncPointQueue::Cancel</a></div><div class="ttdeci">void Cancel()</div><div class="ttdoc">Cancel the queue and unblock all threads.</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00030">sync_point_queue.cc:30</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_a17af2cb9949f40ee8aa06cfdd55b2c16"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a17af2cb9949f40ee8aa06cfdd55b2c16">shaka::media::SyncPointQueue::PromoteAt</a></div><div class="ttdeci">std::shared_ptr< const CueEvent > PromoteAt(double time_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00084">sync_point_queue.cc:84</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_aef18f6547ff76cb8c6a5e14270950a59"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#aef18f6547ff76cb8c6a5e14270950a59">shaka::media::SyncPointQueue::GetHint</a></div><div class="ttdeci">double GetHint(double time_in_seconds)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00038">sync_point_queue.cc:38</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1SyncPointQueue_html_a84f1c4ad047ffa4bd75d5d1426bf9cd2"><div class="ttname"><a href="../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a84f1c4ad047ffa4bd75d5d1426bf9cd2">shaka::media::SyncPointQueue::AddThread</a></div><div class="ttdeci">void AddThread()</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d52/sync__point__queue_8cc_source.html#l00025">sync_point_queue.cc:25</a></div></div>
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<div class="ttc" id="astructshaka_1_1AdCueGeneratorParams_html"><div class="ttname"><a href="../../dd/dfd/structshaka_1_1AdCueGeneratorParams.html">shaka::AdCueGeneratorParams</a></div><div class="ttdoc">Cuepoint generator related parameters.</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d6f/ad__cue__generator__params_8h_source.html#l00023">ad_cue_generator_params.h:23</a></div></div>
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