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< li class = "navelem" > < a class = "el" href = "../../dir_89dd766eb2df7d7257dbe806a34404af.html" > mpd< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_2618cd273dea54f184e42d7a562af818.html" > base< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > // Funtions used by MpdBuilder class to generate an MPD file.< / 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" > #ifndef MPD_BASE_MPD_UTILS_H_< / span > < / div >
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< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define MPD_BASE_MPD_UTILS_H_< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > < / span > < / div >
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< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include < libxml/tree.h> < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include < list> < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/base/base64.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/mpd/base/content_protection_element.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/mpd/base/media_info.pb.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/mpd/base/mpd_builder.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
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< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
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< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > class < / span > MediaInfo;< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > struct < / span > ContentProtectionElement;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > struct < / span > SegmentInfo;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kEncryptedMp4Scheme[] = < span class = "stringliteral" > " urn:mpeg:dash:mp4protection:2011" < / span > ;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kPsshElementName[] = < span class = "stringliteral" > " cenc:pssh" < / span > ;< / div >
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< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keywordtype" > bool< / span > HasVODOnlyFields(< span class = "keyword" > const< / span > MediaInfo& media_info);< / 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 > HasLiveOnlyFields(< span class = "keyword" > const< / span > MediaInfo& media_info);< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // If |content_protection_element| has ' value' or ' schemeIdUri' set but it' s< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // also in the map, then this removes them from the map.< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // |content_protection_element| cannot be NULL.< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordtype" > void< / span > RemoveDuplicateAttributes(< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   ContentProtectionElement* content_protection_element);< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // Returns a language tag. May be blank for video.< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   std::string GetLanguage(< span class = "keyword" > const< / span > MediaInfo& media_info);< / 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 >   < span class = "comment" > // Returns a ' codecs' string that has all the video and audio codecs joined with< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // comma.< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   std::string GetCodecs(< span class = "keyword" > const< / span > MediaInfo& media_info);< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // Returns a codec string without variants. For example, " mp4a" instead of< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // " mp4a.40.2" . May return a format for text streams.< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   std::string GetBaseCodec(< span class = "keyword" > const< / span > MediaInfo& media_info);< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > // Returns a key made from the characteristics that separate AdaptationSets.< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   std::string GetAdaptationSetKey(< span class = "keyword" > const< / span > MediaInfo& media_info);< / 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 >   std::string SecondsToXmlDuration(< span class = "keywordtype" > double< / span > seconds);< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // Tries to get " duration" attribute from |node|. On success |duration| is set.< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordtype" > bool< / span > GetDurationAttribute(xmlNodePtr node, < span class = "keywordtype" > float< / span > * duration);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordtype" > bool< / span > MoreThanOneTrue(< span class = "keywordtype" > bool< / span > b1, < span class = "keywordtype" > bool< / span > b2, < span class = "keywordtype" > bool< / span > b3);< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordtype" > bool< / span > AtLeastOneTrue(< span class = "keywordtype" > bool< / span > b1, < span class = "keywordtype" > bool< / span > b2, < span class = "keywordtype" > bool< / span > b3);< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordtype" > bool< / span > OnlyOneTrue(< span class = "keywordtype" > bool< / span > b1, < span class = "keywordtype" > bool< / span > b2, < span class = "keywordtype" > bool< / span > b3);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
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< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   std::string < a class = "code" href = "../../d8/daf/namespaceshaka.html#adac592409e758489bad365323d070f31" > DoubleToString< / a > (< span class = "keywordtype" > double< / span > value);< / div >
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< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
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< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html#a4c2ea2c3e7055657ca68a6b8e285d4d6" > HexToUUID< / a > (< span class = "keyword" > const< / span > std::string& data, std::string* uuid_format);< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > // Update the < cenc:pssh> element for |drm_uuid| ContentProtection element.< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // If the element does not exist, this will add one.< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordtype" > void< / span > UpdateContentProtectionPsshHelper(< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keyword" > const< / span > std::string& drm_uuid,< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keyword" > const< / span > std::string& pssh,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   std::list< ContentProtectionElement> * content_protection_elements);< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html#abfd977a0dfb051a942d1694442692814" > AddContentProtectionElements< / a > (< span class = "keyword" > const< / span > MediaInfo& media_info,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   Representation* parent);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html#abfd977a0dfb051a942d1694442692814" > AddContentProtectionElements< / a > (< span class = "keyword" > const< / span > MediaInfo& media_info,< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   AdaptationSet* parent);< / 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" > // namespace shaka< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "preprocessor" > #endif // MPD_BASE_MPD_UTILS_H_< / span > < / div >
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< div class = "ttc" id = "namespaceshaka_html_abfd977a0dfb051a942d1694442692814" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html#abfd977a0dfb051a942d1694442692814" > shaka::AddContentProtectionElements< / a > < / div > < div class = "ttdeci" > void AddContentProtectionElements(const MediaInfo & media_info, Representation *parent)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/dfb/mpd__utils_8cc_source.html#l00356" > mpd_utils.cc:356< / a > < / div > < / div >
< div class = "ttc" id = "namespaceshaka_html_a4c2ea2c3e7055657ca68a6b8e285d4d6" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html#a4c2ea2c3e7055657ca68a6b8e285d4d6" > shaka::HexToUUID< / a > < / div > < div class = "ttdeci" > bool HexToUUID(const std::string & data, std::string *uuid_format)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/dfb/mpd__utils_8cc_source.html#l00191" > mpd_utils.cc:191< / a > < / div > < / div >
< div class = "ttc" id = "namespaceshaka_html_adac592409e758489bad365323d070f31" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html#adac592409e758489bad365323d070f31" > shaka::DoubleToString< / a > < / div > < div class = "ttdeci" > std::string DoubleToString(double value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/dfb/mpd__utils_8cc_source.html#l00184" > mpd_utils.cc:184< / a > < / div > < / div >
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