138 lines
12 KiB
HTML
138 lines
12 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 1.9.1"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>Shaka Packager SDK: packager/app/crypto_flags.cc 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 1.9.1 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "../../search",false,'Search','.html');
|
|
/* @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&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_bf7f1d16febc509cca62cff27fb88644.html">app</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">crypto_flags.cc</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2017 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/app/crypto_flags.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 <stdio.h></span></div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> DEFINE_string(protection_scheme,</div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="stringliteral">"cenc"</span>,</div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="stringliteral">"Specify a protection scheme, 'cenc' or 'cbc1' or pattern-based "</span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="stringliteral">"protection schemes 'cens' or 'cbcs'."</span>);</div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> DEFINE_int32(</div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  crypt_byte_block,</div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  1,</div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="stringliteral">"Specify the count of the encrypted blocks in the protection pattern, "</span></div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="stringliteral">"where block is of size 16-bytes. There are three common "</span></div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="stringliteral">"patterns (crypt_byte_block:skip_byte_block): 1:9 (default), 5:5, 10:0. "</span></div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="stringliteral">"Apply to video streams with 'cbcs' and 'cens' protection schemes only; "</span></div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="stringliteral">"ignored otherwise."</span>);</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> DEFINE_int32(</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  skip_byte_block,</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  9,</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="stringliteral">"Specify the count of the unencrypted blocks in the protection pattern. "</span></div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="stringliteral">"Apply to video streams with 'cbcs' and 'cens' protection schemes only; "</span></div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"ignored otherwise."</span>);</div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> DEFINE_bool(vp9_subsample_encryption, <span class="keyword">true</span>, <span class="stringliteral">"Enable VP9 subsample encryption."</span>);</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> DEFINE_string(playready_extra_header_data,</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">""</span>,</div>
|
|
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="stringliteral">"Extra XML data to add to PlayReady headers."</span>);</div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keywordtype">bool</span> ValueNotGreaterThanTen(<span class="keyword">const</span> <span class="keywordtype">char</span>* flagname, int32_t value) {</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (value > 10) {</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  fprintf(stderr, <span class="stringliteral">"ERROR: %s must not be greater than 10.\n"</span>, flagname);</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (value < 0) {</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  fprintf(stderr, <span class="stringliteral">"ERROR: %s must be non-negative.\n"</span>, flagname);</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
|
|
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keywordtype">bool</span> ValueIsXml(<span class="keyword">const</span> <span class="keywordtype">char</span>* flagname, <span class="keyword">const</span> std::string& value) {</div>
|
|
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">if</span> (value.empty())</div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (value[0] != <span class="charliteral">'<'</span> || value[value.size() - 1] != <span class="charliteral">'>'</span>) {</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  fprintf(stderr, <span class="stringliteral">"ERROR: %s must be valid XML.\n"</span>, flagname);</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> DEFINE_validator(crypt_byte_block, &ValueNotGreaterThanTen);</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> DEFINE_validator(skip_byte_block, &ValueNotGreaterThanTen);</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> DEFINE_validator(playready_extra_header_data, &ValueIsXml);</div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated on Fri Apr 9 2021 21:00:12 for Shaka Packager SDK by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1
|
|
</small></address>
|
|
</body>
|
|
</html>
|