shaka-packager/docs/d9/d86/limits_8h_source.html

133 lines
10 KiB
HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.17"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Shaka Packager SDK: packager/media/base/limits.h Source File</title>
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../jquery.js"></script>
<script type="text/javascript" src="../../dynsections.js"></script>
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../search/searchdata.js"></script>
<script type="text/javascript" src="../../search/search.js"></script>
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">Shaka Packager SDK
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.17 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div id="nav-path" class="navpath">
<ul>
<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_e3bda0bde998a4d5063328245b9909be.html">base</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
<div class="title">limits.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright (c) 2011 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="comment">// Contains limit definition constants for the media subsystem.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160; </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#ifndef PACKAGER_MEDIA_BASE_LIMITS_H_</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#define PACKAGER_MEDIA_BASE_LIMITS_H_</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="keyword">namespace </span>media {</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="keyword">namespace </span>limits {</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">enum</span> {</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="comment">// Maximum possible dimension (width or height) for any video.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; kMaxDimension = (1 &lt;&lt; 15) - 1, <span class="comment">// 32767</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; <span class="comment">// Maximum possible canvas size (width multiplied by height) for any video.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; kMaxCanvas = (1 &lt;&lt; (14 * 2)), <span class="comment">// 16384 x 16384</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="comment">// Total number of video frames which are populating in the pipeline.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; kMaxVideoFrames = 4,</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="comment">// The following limits are used by AudioParameters::IsValid().</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="comment">// A few notes on sample rates of common formats:</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="comment">// - AAC files are limited to 96 kHz.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="comment">// - MP3 files are limited to 48 kHz.</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="comment">// - Vorbis used to be limited to 96 KHz, but no longer has that</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="comment">// restriction.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="comment">// - Most PC audio hardware is limited to 192 KHz.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; kMaxSampleRate = 192000,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; kMinSampleRate = 3000,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; kMaxChannels = 32,</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; kMaxBytesPerSample = 4,</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; kMaxBitsPerSample = kMaxBytesPerSample * 8,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; kMaxSamplesPerPacket = kMaxSampleRate,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; kMaxPacketSizeInBytes =</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; kMaxBytesPerSample * kMaxChannels * kMaxSamplesPerPacket,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="comment">// This limit is used by ParamTraits&lt;VideoCaptureParams&gt;.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; kMaxFramesPerSecond = 1000,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;};</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;} <span class="comment">// namespace limits</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;} <span class="comment">// namespace shaka</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor">#endif // PACKAGER_MEDIA_BASE_LIMITS_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
<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>
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue Jun 22 2021 00:16:03 for Shaka Packager SDK by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="../../doxygen.png" alt="doxygen"/>
</a> 1.8.17
</small></address>
</body>
</html>