2021-04-10 04:00:37 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2017-02-11 01:23:57 +00:00
< 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" / >
2021-06-22 00:16:40 +00:00
< meta name = "generator" content = "Doxygen 1.8.17" / >
2018-02-10 23:37:42 +00:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
2017-09-20 02:35:05 +00:00
< title > Shaka Packager SDK: packager/media/crypto/encryption_handler.cc Source File< / title >
2017-02-11 01:23:57 +00:00
< 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" / >
2018-02-10 23:37:42 +00:00
< script type = "text/javascript" src = "../../search/searchdata.js" > < / script >
2017-02-11 01:23:57 +00:00
< 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;" >
2018-02-10 23:37:42 +00:00
< td id = "projectalign" style = "padding-left: 0.5em;" >
2017-09-20 02:35:05 +00:00
< div id = "projectname" > Shaka Packager SDK
2017-02-11 01:23:57 +00:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-06-22 00:16:40 +00:00
<!-- Generated by Doxygen 1.8.17 -->
2017-02-11 01:23:57 +00:00
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2021-06-22 00:16:40 +00:00
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
2021-04-10 04:00:37 +00:00
/* @license-end */
2017-02-11 01:23:57 +00:00
< / script >
2018-02-10 23:37:42 +00:00
< script type = "text/javascript" src = "../../menudata.js" > < / script >
< script type = "text/javascript" src = "../../menu.js" > < / script >
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2018-02-10 23:37:42 +00:00
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2021-04-10 04:00:37 +00:00
/* @license-end */< / script >
2018-02-10 23:37:42 +00:00
< div id = "main-nav" > < / div >
2017-02-11 01:23:57 +00:00
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
2018-02-10 23:37:42 +00:00
< / div >
2017-02-11 01:23:57 +00:00
<!-- 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 >
2017-09-20 02:35:05 +00:00
< 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_aa847bee70cdde822696c7e33a504139.html" > crypto< / a > < / li > < / ul >
2017-02-11 01:23:57 +00:00
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > encryption_handler.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
2021-04-10 04:00:37 +00:00
< 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/media/crypto/encryption_handler.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 < stddef.h> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include < stdint.h> < / 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 < algorithm> < / 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 = "preprocessor" > #include " packager/media/base/aes_encryptor.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/audio_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/common_pssh_generator.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/key_source.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/base/macros.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/base/playready_pssh_generator.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/media/base/protection_system_ids.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/media/base/video_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " packager/media/base/widevine_pssh_generator.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #include " packager/media/crypto/aes_encryptor_factory.h" < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "preprocessor" > #include " packager/media/crypto/subsample_generator.h" < / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "preprocessor" > #include " packager/status_macros.h" < / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > // The encryption handler only supports a single output.< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kStreamIndex = 0;< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // The default KID, KEY and IV for key rotation are all 0s.< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // They are placeholders and are not really being used to encrypt data.< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keyword" > const< / span > uint8_t kKeyRotationDefaultKeyId[] = {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   };< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keyword" > const< / span > uint8_t kKeyRotationDefaultKey[] = {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,< / 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 = "keyword" > const< / span > uint8_t kKeyRotationDefaultIv[] = {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   0, 0, 0, 0, 0, 0, 0, 0,< / 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 >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   std::string GetStreamLabelForEncryption(< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > const< / span > StreamInfo& stream_info,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > const< / span > std::function< std::string(< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keyword" > const< / span > EncryptionParams::EncryptedStreamAttributes& stream_attributes)> & < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   stream_label_func) {< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   EncryptionParams::EncryptedStreamAttributes stream_attributes;< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > if< / span > (stream_info.stream_type() == kStreamAudio) {< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   stream_attributes.stream_type =< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   EncryptionParams::EncryptedStreamAttributes::kAudio;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (stream_info.stream_type() == kStreamVideo) {< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keyword" > const< / span > VideoStreamInfo& video_stream_info =< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keyword" > const < / span > VideoStreamInfo& < span class = "keyword" > > < / span > (stream_info);< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   stream_attributes.stream_type =< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   EncryptionParams::EncryptedStreamAttributes::kVideo;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   stream_attributes.oneof.video.width = video_stream_info.width();< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   stream_attributes.oneof.video.height = video_stream_info.height();< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   }< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > stream_label_func(stream_attributes);< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   }< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordtype" > bool< / span > IsPatternEncryptionScheme(FourCC protection_scheme) {< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > return< / span > protection_scheme == kAppleSampleAesProtectionScheme ||< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   protection_scheme == FOURCC_cbcs || protection_scheme == FOURCC_cens;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   }< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordtype" > void< / span > FillPsshGenerators(< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keyword" > const< / span > EncryptionParams& encryption_params,< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   std::vector< std::unique_ptr< PsshGenerator> > * pssh_generators,< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   std::vector< std::vector< uint8_t> > * no_pssh_systems) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "keywordflow" > if< / span > (has_flag(encryption_params.protection_systems,< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < a class = "code" href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673aca4a8a926ca6c8454f8249deec51b47e66" > ProtectionSystem::kCommon< / a > )) {< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   pssh_generators-> emplace_back(< span class = "keyword" > new< / span > CommonPsshGenerator());< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   }< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (has_flag(encryption_params.protection_systems,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   ProtectionSystem::kPlayReady)) {< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   pssh_generators-> emplace_back(< span class = "keyword" > new< / span > PlayReadyPsshGenerator(< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   encryption_params.playready_extra_header_data,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keyword" > static_cast< < / span > FourCC< span class = "keyword" > > < / span > (encryption_params.protection_scheme)));< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   }< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > if< / span > (has_flag(encryption_params.protection_systems,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   ProtectionSystem::kWidevine)) {< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   pssh_generators-> emplace_back(< span class = "keyword" > new< / span > WidevinePsshGenerator(< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keyword" > static_cast< < / span > FourCC< span class = "keyword" > > < / span > (encryption_params.protection_scheme)));< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   }< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (has_flag(encryption_params.protection_systems,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   ProtectionSystem::kFairPlay)) {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   no_pssh_systems-> emplace_back(std::begin(kFairPlaySystemId),< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   std::end(kFairPlaySystemId));< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   }< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // We only support Marlin Adaptive Streaming Specification – < / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // with Implicit Content ID Mapping, which does not need a PSSH. Marlin< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > // specific PSSH with Explicit Content ID Mapping is not generated.< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > if< / span > (has_flag(encryption_params.protection_systems,< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   ProtectionSystem::kMarlin)) {< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   no_pssh_systems-> emplace_back(std::begin(kMarlinSystemId),< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   std::end(kMarlinSystemId));< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   }< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordflow" > if< / span > (pssh_generators-> empty() & & no_pssh_systems-> empty() & & < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   (encryption_params.key_provider != KeyProvider::kRawKey ||< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   encryption_params.raw_key.pssh.empty())) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   pssh_generators-> emplace_back(< span class = "keyword" > new< / span > CommonPsshGenerator());< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   }< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   }< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordtype" > void< / span > AddProtectionSystemIfNotExist(< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keyword" > const< / span > ProtectionSystemSpecificInfo& pssh_info,< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   EncryptionConfig* encryption_config) {< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & info : encryption_config-> key_system_info) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > if< / span > (info.system_id == pssh_info.system_id)< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   encryption_config-> key_system_info.push_back(pssh_info);< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   }< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   Status FillProtectionSystemInfo(< span class = "keyword" > const< / span > EncryptionParams& encryption_params,< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keyword" > const< / span > EncryptionKey& encryption_key,< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   EncryptionConfig* encryption_config) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > // If generating dummy keys for key rotation, don' t generate PSSH info.< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keywordflow" > if< / span > (encryption_key.key_ids.empty())< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   std::vector< std::unique_ptr< PsshGenerator> > pssh_generators;< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   std::vector< std::vector< uint8_t> > no_pssh_systems;< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   FillPsshGenerators(encryption_params, & pssh_generators, & no_pssh_systems);< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   encryption_config-> key_system_info = encryption_key.key_system_info;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pssh_generator : pssh_generators) {< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > support_multiple_keys = pssh_generator-> SupportMultipleKeys();< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > if< / span > (support_multiple_keys) {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   RETURN_IF_ERROR(pssh_generator-> GeneratePsshFromKeyIds(< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   encryption_key.key_ids, & info));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   AddProtectionSystemIfNotExist(info, encryption_config);< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   RETURN_IF_ERROR(pssh_generator-> GeneratePsshFromKeyIdAndKey(< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   encryption_key.key_id, encryption_key.key, & info));< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   AddProtectionSystemIfNotExist(info, encryption_config);< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   }< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & no_pssh_system : no_pssh_systems) {< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   ProtectionSystemSpecificInfo info;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   info.system_id = no_pssh_system;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   AddProtectionSystemIfNotExist(info, encryption_config);< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   }< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   }< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   EncryptionHandler::EncryptionHandler(< span class = "keyword" > const< / span > EncryptionParams& encryption_params,< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   KeySource* key_source)< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   : encryption_params_(encryption_params),< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   protection_scheme_(< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   static_cast< FourCC> (encryption_params.protection_scheme)),< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   key_source_(key_source),< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   subsample_generator_(< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   new SubsampleGenerator(encryption_params.vp9_subsample_encryption)),< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   encryptor_factory_(new AesEncryptorFactory) {}< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   EncryptionHandler::~EncryptionHandler() = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > < a class = "line" href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a3f1808a4386081e5e1c9a798a1a69dd0" > 175< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a3f1808a4386081e5e1c9a798a1a69dd0" > EncryptionHandler::InitializeInternal< / a > () {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "keywordflow" > if< / span > (!encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a7686a6aca6a7c3d077a5d7215c39fc51" > stream_label_func< / a > ) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::INVALID_ARGUMENT, < span class = "stringliteral" > " Stream label function not set." < / span > );< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   }< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keywordflow" > if< / span > (num_input_streams() != 1 || next_output_stream_index() != 1) {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "stringliteral" > " Expects exactly one input and output." < / span > );< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   }< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   }< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > < a class = "line" href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a7887e6060eb572036674ecb9a7e045c4" > 186< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a7887e6060eb572036674ecb9a7e045c4" > EncryptionHandler::Process< / a > (std::unique_ptr< StreamData> stream_data) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > switch< / span > (stream_data-> stream_data_type) {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kStreamInfo:< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "keywordflow" > return< / span > ProcessStreamInfo(*stream_data-> stream_info);< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kSegmentInfo: {< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   std::shared_ptr< SegmentInfo> segment_info(< span class = "keyword" > new< / span > < a class = "code" href = "../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html" > SegmentInfo< / a > (< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   *stream_data-> segment_info));< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   segment_info-> is_encrypted = remaining_clear_lead_ < = 0;< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > key_rotation_enabled = crypto_period_duration_ != 0;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > if< / span > (key_rotation_enabled)< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   segment_info-> key_rotation_encryption_config = encryption_config_;< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordflow" > if< / span > (!segment_info-> is_subsegment) {< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > if< / span > (key_rotation_enabled)< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   check_new_crypto_period_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordflow" > if< / span > (remaining_clear_lead_ > 0)< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   remaining_clear_lead_ -= segment_info-> duration;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5" > DispatchSegmentInfo< / a > (kStreamIndex, segment_info);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   }< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kMediaSample:< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > return< / span > ProcessMediaSample(std::move(stream_data-> media_sample));< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   VLOG(3) < < < span class = "stringliteral" > " Stream data type " < / span > < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (stream_data-> stream_data_type) < < < span class = "stringliteral" > " ignored." < / span > ;< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream_data));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   }< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   }< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > EncryptionHandler::ProcessStreamInfo(< span class = "keyword" > const< / span > < a class = "code" href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > StreamInfo< / a > & clear_info) {< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordflow" > if< / span > (clear_info.is_encrypted()) {< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "stringliteral" > " Input stream is already encrypted." < / span > );< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   }< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   DCHECK_NE(kStreamUnknown, clear_info.stream_type());< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   DCHECK_NE(kStreamText, clear_info.stream_type());< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   std::shared_ptr< StreamInfo> stream_info = clear_info.< a class = "code" href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#afdd9b2df8ae1c11bb033c44eaba5e38d" > Clone< / a > ();< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   RETURN_IF_ERROR(< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   subsample_generator_-> Initialize(protection_scheme_, *stream_info));< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   remaining_clear_lead_ =< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a1ad46963dc926aa4b72813dccb3f6a45" > clear_lead_in_seconds< / a > * stream_info-> time_scale();< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   crypto_period_duration_ =< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   encryption_params_.crypto_period_duration_in_seconds *< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   stream_info-> time_scale();< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   codec_ = stream_info-> codec();< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   stream_label_ = GetStreamLabelForEncryption(< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   *stream_info, encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a7686a6aca6a7c3d077a5d7215c39fc51" > stream_label_func< / a > );< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   SetupProtectionPattern(stream_info-> stream_type());< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   EncryptionKey encryption_key;< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > key_rotation_enabled = crypto_period_duration_ != 0;< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > if< / span > (key_rotation_enabled) {< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   check_new_crypto_period_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "comment" > // Setup dummy key id, key and iv to signal encryption for key rotation.< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   encryption_key.key_id.assign(std::begin(kKeyRotationDefaultKeyId),< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   std::end(kKeyRotationDefaultKeyId));< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   encryption_key.key.assign(std::begin(kKeyRotationDefaultKey),< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   std::end(kKeyRotationDefaultKey));< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   encryption_key.iv.assign(std::begin(kKeyRotationDefaultIv),< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   std::end(kKeyRotationDefaultIv));< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   } < span class = "keywordflow" > else< / span > {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   RETURN_IF_ERROR(key_source_-> < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#af56c833453d65297c4dc96c9d2f83e1a" > GetKey< / a > (stream_label_, & encryption_key));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   }< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > if< / span > (!CreateEncryptor(encryption_key))< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > return< / span > Status(error::ENCRYPTION_FAILURE, < span class = "stringliteral" > " Failed to create encryptor" < / span > );< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   stream_info-> set_is_encrypted(< span class = "keyword" > true< / span > );< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   stream_info-> set_has_clear_lead(encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a1ad46963dc926aa4b72813dccb3f6a45" > clear_lead_in_seconds< / a > > 0);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   stream_info-> set_encryption_config(*encryption_config_);< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499" > DispatchStreamInfo< / a > (kStreamIndex, stream_info);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   }< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   Status EncryptionHandler::ProcessMediaSample(< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   std::shared_ptr< const MediaSample> clear_sample) {< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   DCHECK(clear_sample);< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > // Process the frame even if the frame is not encrypted as the next< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "comment" > // (encrypted) frame may be dependent on this clear frame.< / span > < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   std::vector< SubsampleEntry> subsamples;< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   RETURN_IF_ERROR(subsample_generator_-> GenerateSubsamples(< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   clear_sample-> data(), clear_sample-> data_size(), & subsamples));< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "comment" > // Need to setup the encryptor for new segments even if this segment does not< / span > < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "comment" > // need to be encrypted, so we can signal encryption metadata earlier to< / span > < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "comment" > // allows clients to prefetch the keys.< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > if< / span > (check_new_crypto_period_) {< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "comment" > // |dts| can be negative, e.g. after EditList adjustments. Normalized to 0< / span > < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // in that case.< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keyword" > const< / span > int64_t dts = std::max(clear_sample-> dts(), < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (0));< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keyword" > const< / span > int64_t current_crypto_period_index = dts / crypto_period_duration_;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keyword" > const< / span > uint32_t crypto_period_duration_in_seconds =< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (encryption_params_.crypto_period_duration_in_seconds);< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > if< / span > (current_crypto_period_index != prev_crypto_period_index_) {< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   EncryptionKey encryption_key;< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   RETURN_IF_ERROR(key_source_-> < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aef67793f02b0cd34b57993fab9f789ae" > GetCryptoPeriodKey< / a > (< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   current_crypto_period_index, crypto_period_duration_in_seconds,< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   stream_label_, & encryption_key));< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > if< / span > (!CreateEncryptor(encryption_key))< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "keywordflow" > return< / span > Status(error::ENCRYPTION_FAILURE, < span class = "stringliteral" > " Failed to create encryptor" < / span > );< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   prev_crypto_period_index_ = current_crypto_period_index;< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   }< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   check_new_crypto_period_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   }< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "comment" > // Since there is no encryption needed right now, send the clear copy< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "comment" > // downstream so we can save the costs of copying it.< / span > < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "keywordflow" > if< / span > (remaining_clear_lead_ > 0) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9" > DispatchMediaSample< / a > (kStreamIndex, std::move(clear_sample));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   }< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   std::shared_ptr< uint8_t> cipher_sample_data(< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keyword" > new< / span > uint8_t[clear_sample-> data_size()], std::default_delete< uint8_t[]> ());< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keyword" > const< / span > uint8_t* source = clear_sample-> data();< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   uint8_t* dest = cipher_sample_data.get();< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordflow" > if< / span > (!subsamples.empty()) {< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordtype" > size_t< / span > total_size = 0;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > SubsampleEntry& subsample : subsamples) {< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordflow" > if< / span > (subsample.clear_bytes > 0) {< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   memcpy(dest, source, subsample.clear_bytes);< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   source += subsample.clear_bytes;< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   dest += subsample.clear_bytes;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   total_size += subsample.clear_bytes;< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   }< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "keywordflow" > if< / span > (subsample.cipher_bytes > 0) {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   EncryptBytes(source, subsample.cipher_bytes, dest);< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   source += subsample.cipher_bytes;< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   dest += subsample.cipher_bytes;< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   total_size += subsample.cipher_bytes;< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   }< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   }< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   DCHECK_EQ(total_size, clear_sample-> data_size());< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   EncryptBytes(source, clear_sample-> data_size(), dest);< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   }< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   std::shared_ptr< MediaSample> cipher_sample(clear_sample-> Clone());< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   cipher_sample-> TransferData(std::move(cipher_sample_data),< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   clear_sample-> data_size());< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "comment" > // Finish initializing the sample before sending it downstream. We must< / span > < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "comment" > // wait until now to finish the initialization as we will lose access to< / span > < / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "comment" > // |decrypt_config| once we set it.< / span > < / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   cipher_sample-> set_is_encrypted(< span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   std::unique_ptr< DecryptConfig> decrypt_config(< span class = "keyword" > new< / span > DecryptConfig(< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   encryption_config_-> key_id, encryptor_-> iv(), subsamples,< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   protection_scheme_, crypt_byte_block_, skip_byte_block_));< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   cipher_sample-> set_decrypt_config(std::move(decrypt_config));< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   encryptor_-> UpdateIv();< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9" > DispatchMediaSample< / a > (kStreamIndex, std::move(cipher_sample));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   }< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordtype" > void< / span > EncryptionHandler::SetupProtectionPattern(StreamType stream_type) {< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordflow" > if< / span > (stream_type == kStreamVideo & & < / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   IsPatternEncryptionScheme(protection_scheme_)) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   crypt_byte_block_ = encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a87b1deb1705f07c01efa69f14260e0af" > crypt_byte_block< / a > ;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   skip_byte_block_ = encryption_params_.< a class = "code" href = "../../dc/da0/structshaka_1_1EncryptionParams.html#afa236ca5a091603c2bc6d28b1f84d816" > skip_byte_block< / a > ;< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "comment" > // Audio stream in pattern encryption scheme does not use pattern; it uses< / span > < / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "comment" > // whole-block full sample encryption instead. Non-pattern encryption does< / span > < / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "comment" > // not have pattern.< / span > < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   crypt_byte_block_ = 0u;< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   skip_byte_block_ = 0u;< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   }< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   }< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "keywordtype" > bool< / span > EncryptionHandler::CreateEncryptor(< span class = "keyword" > const< / span > EncryptionKey& encryption_key) {< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   std::unique_ptr< AesCryptor> encryptor = encryptor_factory_-> CreateEncryptor(< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   protection_scheme_, crypt_byte_block_, skip_byte_block_, codec_,< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   encryption_key.key, encryption_key.iv);< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (!encryptor)< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   encryptor_ = std::move(encryptor);< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   encryption_config_.reset(< span class = "keyword" > new< / span > EncryptionConfig);< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   encryption_config_-> protection_scheme = protection_scheme_;< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   encryption_config_-> crypt_byte_block = crypt_byte_block_;< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   encryption_config_-> skip_byte_block = skip_byte_block_;< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & iv = encryptor_-> iv();< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordflow" > if< / span > (encryptor_-> use_constant_iv()) {< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   encryption_config_-> per_sample_iv_size = 0;< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   encryption_config_-> constant_iv = iv;< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   encryption_config_-> per_sample_iv_size = < span class = "keyword" > static_cast< < / span > uint8_t< span class = "keyword" > > < / span > (iv.size());< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   }< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   encryption_config_-> key_id = encryption_key.key_id;< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > status = FillProtectionSystemInfo(< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   encryption_params_, encryption_key, encryption_config_.get());< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "keywordflow" > return< / span > status.ok();< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   }< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "keywordtype" > void< / span > EncryptionHandler::EncryptBytes(< span class = "keyword" > const< / span > uint8_t* source,< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keywordtype" > size_t< / span > source_size,< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   uint8_t* dest) {< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   DCHECK(source);< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   DCHECK(dest);< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   DCHECK(encryptor_);< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   CHECK(encryptor_-> Crypt(source, source_size, dest));< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   }< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordtype" > void< / span > EncryptionHandler::InjectSubsampleGeneratorForTesting(< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   std::unique_ptr< SubsampleGenerator> generator) {< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   subsample_generator_ = std::move(generator);< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   }< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < span class = "keywordtype" > void< / span > EncryptionHandler::InjectEncryptorFactoryForTesting(< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   std::unique_ptr< AesEncryptorFactory> encryptor_factory) {< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   encryptor_factory_ = std::move(encryptor_factory);< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   }< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2021-06-22 00:16:40 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "anamespaceshaka_html_aadc0cc211185374c4bf219da325673aca4a8a926ca6c8454f8249deec51b47e66" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html#aadc0cc211185374c4bf219da325673aca4a8a926ca6c8454f8249deec51b47e66" > shaka::ProtectionSystem::kCommon< / a > < / div > < div class = "ttdeci" > @ kCommon< / div > < div class = "ttdoc" > The common key system from EME: https://goo.gl/s8RIhr.< / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1SegmentInfo_html" > < div class = "ttname" > < a href = "../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html" > shaka::media::SegmentInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00055" > media_handler.h:55< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_a9a74fead95bc16255e73908bbebbced9" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a9a74fead95bc16255e73908bbebbced9" > shaka::media::MediaHandler::DispatchMediaSample< / a > < / div > < div class = "ttdeci" > Status DispatchMediaSample(size_t stream_index, std::shared_ptr< const MediaSample > media_sample) const< / div > < div class = "ttdoc" > Dispatch the media sample to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00207" > media_handler.h:207< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1EncryptionParams_html_a87b1deb1705f07c01efa69f14260e0af" > < div class = "ttname" > < a href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a87b1deb1705f07c01efa69f14260e0af" > shaka::EncryptionParams::crypt_byte_block< / a > < / div > < div class = "ttdeci" > uint8_t crypt_byte_block< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/crypto__params_8h_source.html#l00174" > crypto_params.h:174< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_ad165375cd0a2074c5a740b42f847c499" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad165375cd0a2074c5a740b42f847c499" > shaka::media::MediaHandler::DispatchStreamInfo< / a > < / div > < div class = "ttdeci" > Status DispatchStreamInfo(size_t stream_index, std::shared_ptr< const StreamInfo > stream_info) const< / div > < div class = "ttdoc" > Dispatch the stream info to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00199" > media_handler.h:199< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1KeySource_html_af56c833453d65297c4dc96c9d2f83e1a" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#af56c833453d65297c4dc96c9d2f83e1a" > shaka::media::KeySource::GetKey< / a > < / div > < div class = "ttdeci" > virtual Status GetKey(const std::string & stream_label, EncryptionKey *key)=0< / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1KeySource_html_aef67793f02b0cd34b57993fab9f789ae" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aef67793f02b0cd34b57993fab9f789ae" > shaka::media::KeySource::GetCryptoPeriodKey< / a > < / div > < div class = "ttdeci" > virtual Status GetCryptoPeriodKey(uint32_t crypto_period_index, uint32_t crypto_period_duration_in_seconds, const std::string & stream_label, EncryptionKey *key)=0< / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1StreamInfo_html_afdd9b2df8ae1c11bb033c44eaba5e38d" > < div class = "ttname" > < a href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html#afdd9b2df8ae1c11bb033c44eaba5e38d" > shaka::media::StreamInfo::Clone< / a > < / div > < div class = "ttdeci" > virtual std::unique_ptr< StreamInfo > Clone() const =0< / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_afe98a4fd19eabe0fc78afc91959c34a6" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > shaka::media::MediaHandler::Dispatch< / a > < / div > < div class = "ttdeci" > Status Dispatch(std::unique_ptr< StreamData > stream_data) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00094" > media_handler.cc:94< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1EncryptionHandler_html_a3f1808a4386081e5e1c9a798a1a69dd0" > < div class = "ttname" > < a href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a3f1808a4386081e5e1c9a798a1a69dd0" > shaka::media::EncryptionHandler::InitializeInternal< / a > < / div > < div class = "ttdeci" > Status InitializeInternal() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d9c/encryption__handler_8cc_source.html#l00175" > encryption_handler.cc:175< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1EncryptionParams_html_a1ad46963dc926aa4b72813dccb3f6a45" > < div class = "ttname" > < a href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a1ad46963dc926aa4b72813dccb3f6a45" > shaka::EncryptionParams::clear_lead_in_seconds< / a > < / div > < div class = "ttdeci" > double clear_lead_in_seconds< / div > < div class = "ttdoc" > Clear lead duration in seconds.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/crypto__params_8h_source.html#l00162" > crypto_params.h:162< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1EncryptionHandler_html_a7887e6060eb572036674ecb9a7e045c4" > < div class = "ttname" > < a href = "../../d6/d4c/classshaka_1_1media_1_1EncryptionHandler.html#a7887e6060eb572036674ecb9a7e045c4" > shaka::media::EncryptionHandler::Process< / a > < / div > < div class = "ttdeci" > Status Process(std::unique_ptr< StreamData > stream_data) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d9c/encryption__handler_8cc_source.html#l00186" > encryption_handler.cc:186< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1EncryptionParams_html_a7686a6aca6a7c3d077a5d7215c39fc51" > < div class = "ttname" > < a href = "../../dc/da0/structshaka_1_1EncryptionParams.html#a7686a6aca6a7c3d077a5d7215c39fc51" > shaka::EncryptionParams::stream_label_func< / a > < / div > < div class = "ttdeci" > std::function< std::string(const EncryptedStreamAttributes & stream_attributes)> stream_label_func< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/crypto__params_8h_source.html#l00216" > crypto_params.h:216< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1EncryptionParams_html_afa236ca5a091603c2bc6d28b1f84d816" > < div class = "ttname" > < a href = "../../dc/da0/structshaka_1_1EncryptionParams.html#afa236ca5a091603c2bc6d28b1f84d816" > shaka::EncryptionParams::skip_byte_block< / a > < / div > < div class = "ttdeci" > uint8_t skip_byte_block< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d58/crypto__params_8h_source.html#l00178" > crypto_params.h:178< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_a2acc1c84a61aee93229d493aa93308d5" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#a2acc1c84a61aee93229d493aa93308d5" > shaka::media::MediaHandler::DispatchSegmentInfo< / a > < / div > < div class = "ttdeci" > Status DispatchSegmentInfo(size_t stream_index, std::shared_ptr< const SegmentInfo > segment_info) const< / div > < div class = "ttdoc" > Dispatch the segment info to downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00224" > media_handler.h:224< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1StreamInfo_html" > < div class = "ttname" > < a href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > shaka::media::StreamInfo< / a > < / div > < div class = "ttdoc" > Abstract class holds stream information.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/daa/stream__info_8h_source.html#l00065" > stream_info.h:65< / a > < / div > < / div >
2017-02-11 01:23:57 +00:00
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2021-06-22 00:16:40 +00:00
Generated on Tue Jun 22 2021 00:16:04 for Shaka Packager SDK by   < a href = "http://www.doxygen.org/index.html" >
< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.17
2017-02-11 01:23:57 +00:00
< / small > < / address >
< / body >
< / html >
