2015-10-16 00:33:37 +00:00
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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 >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/mpd/base/mpd_utils.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 < libxml/tree.h> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/mpd/base/xml/scoped_xml_ptr.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
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< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
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< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
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< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   std::string TextCodecString(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   CHECK(media_info.has_text_info());< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > const< / span > std::string& format = media_info.text_info().format();< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // DASH IOP mentions that the codec for ttml in mp4 is stpp.< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordflow" > if< / span > (format == < span class = "stringliteral" > " ttml" < / span > & & < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   (media_info.container_type() == MediaInfo::CONTAINER_MP4)) {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " stpp" < / span > ;< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   }< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > // Otherwise codec doesn' t need to be specified, e.g. vtt and ttml+xml are< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > // obvious from the mime type.< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " " < / span > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keywordtype" > bool< / span > HasVODOnlyFields(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keywordflow" > return< / span > media_info.has_init_range() || media_info.has_index_range() ||< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   media_info.has_media_file_name() ||< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   media_info.has_media_duration_seconds();< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   }< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > bool< / span > HasLiveOnlyFields(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > return< / span > media_info.has_init_segment_name() ||< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   media_info.has_segment_template() ||< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   media_info.has_segment_duration_seconds();< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   }< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordtype" > void< / span > RemoveDuplicateAttributes(< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   ContentProtectionElement* content_protection_element) {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   DCHECK(content_protection_element);< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > typedef< / span > std::map< std::string, std::string> AttributesMap;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   AttributesMap& attributes = content_protection_element-> additional_attributes;< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (!content_protection_element-> value.empty())< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   attributes.erase(< span class = "stringliteral" > " value" < / span > );< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > if< / span > (!content_protection_element-> scheme_id_uri.empty())< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   attributes.erase(< span class = "stringliteral" > " schemeIdUri" < / span > );< / 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 >   < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   std::string GetLanguage(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   std::string lang;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > if< / span > (media_info.has_audio_info()) {< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   lang = media_info.audio_info().language();< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (media_info.has_text_info()) {< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   lang = media_info.text_info().language();< / 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 >   < span class = "keywordflow" > return< / span > lang;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   std::string GetCodecs(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   CHECK(OnlyOneTrue(media_info.has_video_info(), media_info.has_audio_info(),< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   media_info.has_text_info()));< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > if< / span > (media_info.has_video_info()) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > if< / span > (media_info.container_type() == MediaInfo::CONTAINER_WEBM) {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   std::string codec = media_info.video_info().codec().substr(0, 4);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // media_info.video_info().codec() contains new revised codec string< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "comment" > // specified by " VPx in ISO BMFF" document, which is not compatible to< / span > < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > // old codec strings in WebM. Hack it here before all browsers support< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > // new codec strings.< / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordflow" > if< / span > (codec == < span class = "stringliteral" > " vp08" < / span > )< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " vp8" < / span > ;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keywordflow" > if< / span > (codec == < span class = "stringliteral" > " vp09" < / span > )< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " vp9" < / span > ;< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   }< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > return< / span > media_info.video_info().codec();< / 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 > (media_info.has_audio_info())< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordflow" > return< / span > media_info.audio_info().codec();< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordflow" > if< / span > (media_info.has_text_info())< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > return< / span > TextCodecString(media_info);< / 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 >   NOTREACHED();< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   std::string GetBaseCodec(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   std::string codec;< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordflow" > if< / span > (media_info.has_video_info()) {< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   codec = media_info.video_info().codec();< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (media_info.has_audio_info()) {< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   codec = media_info.audio_info().codec();< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (media_info.has_text_info()) {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   codec = media_info.text_info().format();< / 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 >   < span class = "comment" > // Convert, for example, " mp4a.40.2" to simply " mp4a" .< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // " mp4a.40.2" and " mp4a.40.5" can exist in the same AdaptationSet.< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > size_t< / span > dot = codec.find(< span class = "charliteral" > ' .' < / span > );< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > if< / span > (dot != std::string::npos) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   codec.erase(dot);< / 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 >   < span class = "keywordflow" > return< / span > codec;< / 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 >   < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   std::string GetAdaptationSetKey(< span class = "keyword" > const< / span > MediaInfo& media_info) {< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   std::string key;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > if< / span > (media_info.has_video_info()) {< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   key.append(< span class = "stringliteral" > " video:" < / span > );< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (media_info.has_audio_info()) {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   key.append(< span class = "stringliteral" > " audio:" < / span > );< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (media_info.has_text_info()) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   key.append(MediaInfo_TextInfo_TextType_Name(media_info.text_info().type()));< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   key.append(< span class = "stringliteral" > " :" < / span > );< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   key.append(< span class = "stringliteral" > " unknown:" < / span > );< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   }< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   key.append(MediaInfo_ContainerType_Name(media_info.container_type()));< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   key.append(< span class = "stringliteral" > " :" < / span > );< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   key.append(GetBaseCodec(media_info));< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   key.append(< span class = "stringliteral" > " :" < / span > );< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   key.append(GetLanguage(media_info));< / 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 >   < span class = "keywordflow" > return< / span > key;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   }< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   std::string SecondsToXmlDuration(< span class = "keywordtype" > double< / span > seconds) {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " PT" < / span > + base::DoubleToString(seconds) + < span class = "stringliteral" > " S" < / span > ;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   }< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "keywordtype" > bool< / span > GetDurationAttribute(xmlNodePtr node, < span class = "keywordtype" > float< / span > * duration) {< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   DCHECK(node);< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   DCHECK(duration);< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kDuration[] = < span class = "stringliteral" > " duration" < / span > ;< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   xml::scoped_xml_ptr< xmlChar> duration_value(< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   xmlGetProp(node, BAD_CAST kDuration));< / 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 >   < span class = "keywordflow" > if< / span > (!duration_value)< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordtype" > double< / span > duration_double_precision = 0.0;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "keywordflow" > if< / span > (!base::StringToDouble(reinterpret_cast< const char*> (duration_value.get()),< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   & duration_double_precision)) {< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   *duration = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (duration_double_precision);< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / 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 >   < 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 = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > return< / span > (b1 & & b2) || (b2 & & b3) || (b3 & & b1);< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   }< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / 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) { < span class = "keywordflow" > return< / span > b1 || b2 || b3; }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / 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 = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keywordflow" > return< / span > !MoreThanOneTrue(b1, b2, b3) & & AtLeastOneTrue(b1, b2, b3);< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   }< / 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 >   < span class = "comment" > // Coverts binary data into human readable UUID format.< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > < a class = "line" href = "../../d8/daf/namespaceshaka.html#a4c2ea2c3e7055657ca68a6b8e285d4d6" > 174< / a > < / 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 >
2016-05-24 21:58:10 +00:00
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   DCHECK(uuid_format);< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kExpectedUUIDSize = 16;< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordflow" > if< / span > (data.size() != kExpectedUUIDSize) {< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   LOG(ERROR) < < < span class = "stringliteral" > " UUID size is expected to be " < / span > < < kExpectedUUIDSize< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < < < span class = "stringliteral" > " but is " < / span > < < data.size() < < < span class = "stringliteral" > " and the data in hex is " < / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < < base::HexEncode(data.data(), data.size());< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keyword" > const< / span > std::string hex_encoded =< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   base::StringToLowerASCII(base::HexEncode(data.data(), data.size()));< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   DCHECK_EQ(hex_encoded.size(), kExpectedUUIDSize * 2);< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   base::StringPiece all(hex_encoded);< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // Note UUID has 5 parts separated with dashes.< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "comment" > // e.g. 123e4567-e89b-12d3-a456-426655440000< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // These StringPieces have each part.< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   base::StringPiece first = all.substr(0, 8);< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   base::StringPiece second = all.substr(8, 4);< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   base::StringPiece third = all.substr(12, 4);< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   base::StringPiece fourth = all.substr(16, 4);< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   base::StringPiece fifth = all.substr(20, 12);< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "comment" > // 32 hexadecimal characters with 4 hyphens.< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kHumanReadableUUIDSize = 36;< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   uuid_format-> reserve(kHumanReadableUUIDSize);< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   first.CopyToString(uuid_format);< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   uuid_format-> append(< span class = "stringliteral" > " -" < / span > );< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   second.AppendToString(uuid_format);< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   uuid_format-> append(< span class = "stringliteral" > " -" < / span > );< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   third.AppendToString(uuid_format);< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   uuid_format-> append(< span class = "stringliteral" > " -" < / span > );< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   fourth.AppendToString(uuid_format);< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   uuid_format-> append(< span class = "stringliteral" > " -" < / span > );< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   fifth.AppendToString(uuid_format);< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   }< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordtype" > void< / span > UpdateContentProtectionPsshHelper(< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keyword" > const< / span > std::string& drm_uuid,< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keyword" > const< / span > std::string& pssh,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   std::list< ContentProtectionElement> * content_protection_elements) {< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keyword" > const< / span > std::string drm_uuid_schemd_id_uri_form = < span class = "stringliteral" > " urn:uuid:" < / span > + drm_uuid;< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordflow" > for< / span > (std::list< ContentProtectionElement> ::iterator protection =< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   content_protection_elements-> begin();< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   protection != content_protection_elements-> end(); ++protection) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordflow" > if< / span > (protection-> scheme_id_uri != drm_uuid_schemd_id_uri_form) {< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > continue< / 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 >   < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordflow" > for< / span > (std::vector< Element> ::iterator subelement =< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   protection-> subelements.begin();< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   subelement != protection-> subelements.end(); ++subelement) {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > if< / span > (subelement-> name == kPsshElementName) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "comment" > // For now, we want to remove the PSSH element because some players do< / span > < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "comment" > // not support updating pssh.< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   protection-> subelements.erase(subelement);< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "comment" > // TODO(rkuroiwa): Uncomment this and remove the line above when< / span > < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "comment" > // shaka-player supports updating PSSH.< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "comment" > // subelement-> content = pssh;< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   }< / div >
< 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 >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "comment" > // Reaching here means < cenc:pssh> does not exist under the< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "comment" > // ContentProtection element. Add it.< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "comment" > // TODO(rkuroiwa): Uncomment this when shaka-player supports updating PSSH.< / span > < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "comment" > // Element cenc_pssh;< / span > < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "comment" > // cenc_pssh.name = kPsshElementName;< / span > < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "comment" > // cenc_pssh.content = pssh;< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // protection-> subelements.push_back(cenc_pssh);< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   }< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "comment" > // Reaching here means that ContentProtection for the DRM does not exist.< / span > < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "comment" > // Add it.< / span > < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   ContentProtectionElement content_protection;< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   content_protection.scheme_id_uri = drm_uuid_schemd_id_uri_form;< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "comment" > // TODO(rkuroiwa): Uncomment this when shaka-player supports updating PSSH.< / span > < / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "comment" > // Element cenc_pssh;< / span > < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "comment" > // cenc_pssh.name = kPsshElementName;< / span > < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "comment" > // cenc_pssh.content = pssh;< / span > < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "comment" > // content_protection.subelements.push_back(cenc_pssh);< / span > < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   content_protection_elements-> push_back(content_protection);< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   }< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "comment" > // Helper function. This works because Representation and AdaptationSet both< / span > < / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "comment" > // have AddContentProtectionElement().< / span > < / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > ContentProtectionParent> < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordtype" > void< / span > AddContentProtectionElementsHelperTemplated(< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "keyword" > const< / span > MediaInfo& media_info,< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   ContentProtectionParent* parent) {< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   DCHECK(parent);< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keywordflow" > if< / span > (!media_info.has_protected_content())< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keyword" > const< / span > MediaInfo::ProtectedContent& protected_content =< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   media_info.protected_content();< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "comment" > // DASH MPD spec specifies a default ContentProtection element for ISO BMFF< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "comment" > // (MP4) files.< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > is_mp4_container =< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   media_info.container_type() == MediaInfo::CONTAINER_MP4;< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   std::string key_id_uuid_format;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordflow" > if< / span > (protected_content.has_default_key_id()) {< / div >
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< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "../../d8/daf/namespaceshaka.html#a4c2ea2c3e7055657ca68a6b8e285d4d6" > HexToUUID< / a > (protected_content.default_key_id(), & key_id_uuid_format)) {< / div >
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< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to convert default key ID into UUID format." < / span > ;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   }< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   }< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "keywordflow" > if< / span > (is_mp4_container) {< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   ContentProtectionElement mp4_content_protection;< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   mp4_content_protection.scheme_id_uri = kEncryptedMp4Scheme;< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   mp4_content_protection.value = protected_content.protection_scheme();< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordflow" > if< / span > (!key_id_uuid_format.empty()) {< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   mp4_content_protection.additional_attributes[< span class = "stringliteral" > " cenc:default_KID" < / span > ] =< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   key_id_uuid_format;< / 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 >   parent-> AddContentProtectionElement(mp4_content_protection);< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   }< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < protected_content.content_protection_entry().size();< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   ++i) {< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keyword" > const< / span > MediaInfo::ProtectedContent::ContentProtectionEntry& entry =< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   protected_content.content_protection_entry(i);< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keywordflow" > if< / span > (!entry.has_uuid()) {< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   LOG(WARNING)< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < < < span class = "stringliteral" > " ContentProtectionEntry was specified but no UUID is set for " < / span > < / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < < entry.name_version() < < < span class = "stringliteral" > " , skipping." < / span > ;< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   }< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   ContentProtectionElement drm_content_protection;< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   drm_content_protection.scheme_id_uri = < span class = "stringliteral" > " urn:uuid:" < / span > + entry.uuid();< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordflow" > if< / span > (entry.has_name_version())< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   drm_content_protection.value = entry.name_version();< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keywordflow" > if< / span > (entry.has_pssh()) {< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   std::string base64_encoded_pssh;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   base::Base64Encode(< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   base::StringPiece(entry.pssh().data(), entry.pssh().size()),< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   & base64_encoded_pssh);< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   Element cenc_pssh;< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   cenc_pssh.name = kPsshElementName;< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   cenc_pssh.content = base64_encoded_pssh;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   drm_content_protection.subelements.push_back(cenc_pssh);< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   }< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > if< / span > (!key_id_uuid_format.empty() & & !is_mp4_container) {< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   drm_content_protection.additional_attributes[< span class = "stringliteral" > " cenc:default_KID" < / span > ] =< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   key_id_uuid_format;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   }< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   parent-> AddContentProtectionElement(drm_content_protection);< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   }< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   LOG_IF(WARNING, protected_content.content_protection_entry().size() == 0)< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < < < span class = "stringliteral" > " The media is encrypted but no content protection specified." < / span > ;< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   }< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < / div >
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< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > < a class = "line" href = "../../d8/daf/namespaceshaka.html#abfd977a0dfb051a942d1694442692814" > 339< / a > < / 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 = "l00340" > < / a > < span class = "lineno" > 340< / span >   < a class = "code" href = "../../de/d52/classshaka_1_1Representation.html" > Representation< / a > * parent) {< / div >
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< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   AddContentProtectionElementsHelperTemplated(media_info, parent);< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   }< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < / div >
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< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > < a class = "line" href = "../../d8/daf/namespaceshaka.html#ac917945d578a03ce53b902f6c1bc4e33" > 344< / a > < / 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 = "l00345" > < / a > < span class = "lineno" > 345< / span >   < a class = "code" href = "../../d8/d8e/classshaka_1_1AdaptationSet.html" > AdaptationSet< / a > * parent) {< / div >
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< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   AddContentProtectionElementsHelperTemplated(media_info, parent);< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   }< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < / div >
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< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < / div >
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< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< div class = "ttc" id = "classshaka_1_1AdaptationSet_html" > < div class = "ttname" > < a href = "../../d8/d8e/classshaka_1_1AdaptationSet.html" > shaka::AdaptationSet< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/da3/mpd__builder_8h_source.html#l00167" > mpd_builder.h:167< / a > < / div > < / div >
< 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#l00339" > mpd_utils.cc:339< / 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#l00174" > mpd_utils.cc:174< / a > < / div > < / div >
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