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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_b885194e7131202a9b4650a8967e838c.html">mpd</a></li><li class="navelem"><a class="el" href="../../dir_6fe4b0529cd3ec97045d3314254a0cce.html">base</a></li> </ul>
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<div class="title">bandwidth_estimator.cc</div> </div>
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2018-08-16 00:35:22 +00:00
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><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><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><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><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/mpd/base/bandwidth_estimator.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <cmath></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><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><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> BandwidthEstimator::BandwidthEstimator() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> BandwidthEstimator::~BandwidthEstimator() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="../../da/d2c/classshaka_1_1BandwidthEstimator.html#a53c67d33f000489d1ebb31a2bdd766a4"> 19</a></span> <span class="keywordtype">void</span> <a class="code" href="../../da/d2c/classshaka_1_1BandwidthEstimator.html#a53c67d33f000489d1ebb31a2bdd766a4">BandwidthEstimator::AddBlock</a>(uint64_t size_in_bytes, <span class="keywordtype">double</span> duration) {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">if</span> (size_in_bytes == 0 || duration == 0) {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  LOG(WARNING) << <span class="stringliteral">"Ignore block with size="</span> << size_in_bytes</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  << <span class="stringliteral">", duration="</span> << duration;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  }</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> kBitsInByte = 8;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">const</span> uint64_t size_in_bits = size_in_bytes * kBitsInB
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<div class="ttc" id="classshaka_1_1BandwidthEstimator_html_a53c67d33f000489d1ebb31a2bdd766a4"><div class="ttname"><a href="../../da/d2c/classshaka_1_1BandwidthEstimator.html#a53c67d33f000489d1ebb31a2bdd766a4">shaka::BandwidthEstimator::AddBlock</a></div><div class="ttdeci">void AddBlock(uint64_t size_in_bytes, double duration)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d86/bandwidth__estimator_8cc_source.html#l00019">bandwidth_estimator.cc:19</a></div></div>
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<div class="ttc" id="classshaka_1_1BandwidthEstimator_html_a9414560e16c46e7e2da3683a4dfb86cc"><div class="ttname"><a href="../../da/d2c/classshaka_1_1BandwidthEstimator.html#a9414560e16c46e7e2da3683a4dfb86cc">shaka::BandwidthEstimator::Estimate</a></div><div class="ttdeci">uint64_t Estimate() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d86/bandwidth__estimator_8cc_source.html#l00036">bandwidth_estimator.cc:36</a></div></div>
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<div class="ttc" id="classshaka_1_1BandwidthEstimator_html_a0df6c40f43a89d3d481392ac0298e37c"><div class="ttname"><a href="../../da/d2c/classshaka_1_1BandwidthEstimator.html#a0df6c40f43a89d3d481392ac0298e37c">shaka::BandwidthEstimator::Max</a></div><div class="ttdeci">uint64_t Max() const</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d86/bandwidth__estimator_8cc_source.html#l00042">bandwidth_estimator.cc:42</a></div></div>
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