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< 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/formats/webvtt/webvtt_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
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< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_split.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/text_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/formats/webvtt/webvtt_utils.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > const< / span > uint64_t kStreamIndex = 0;< / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   std::string BlockToString(< span class = "keyword" > const< / span > std::string* block, < span class = "keywordtype" > size_t< / span > size) {< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   std::string out = < span class = "stringliteral" > " --- BLOCK START ---\n" < / span > ;< / div >
< 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 = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < size; i++) {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   out.append(< span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   out.append(block[i]);< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   out.append(< span class = "stringliteral" > " \n" < / span > );< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / 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 >   out.append(< span class = "stringliteral" > " --- BLOCK END ---" < / span > );< / div >
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< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
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< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keywordflow" > return< / span > out;< / 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 >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // Comments are just blocks that are preceded by a blank line, start with the< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // word " NOTE" (followed by a space or newline), and end at the first blank< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // line.< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > // SOURCE: https://www.w3.org/TR/webvtt1< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > bool< / span > IsLikelyNote(< span class = "keyword" > const< / span > std::string& line) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > return< / span > line == < span class = "stringliteral" > " NOTE" < / span > ||< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   base::StartsWith(line, < span class = "stringliteral" > " NOTE " < / span > , base::CompareCase::SENSITIVE) ||< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   base::StartsWith(line, < span class = "stringliteral" > " NOTE\t" < / span > , base::CompareCase::SENSITIVE);< / 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 = "comment" > // As cue time is the only part of a WEBVTT file that is allowed to have< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // " --> " appear, then if the given line contains it, we can safely assume< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // that the line is likely to be a cue time.< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordtype" > bool< / span > IsLikelyCueTiming(< span class = "keyword" > const< / span > std::string& line) {< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordflow" > return< / span > line.find(< span class = "stringliteral" > " --> " < / span > ) != std::string::npos;< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   }< / 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" > // A WebVTT cue identifier is any sequence of one or more characters not< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "comment" > // containing the substring " --> " (U+002D HYPHEN-MINUS, U+002D HYPHEN-MINUS,< / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // U+003E GREATER-THAN SIGN), nor containing any U+000A LINE FEED (LF)< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > // characters or U+000D CARRIAGE RETURN (CR) characters.< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > // SOURCE: https://www.w3.org/TR/webvtt1/#webvtt-cue-identifier< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordtype" > bool< / span > MaybeCueId(< span class = "keyword" > const< / span > std::string& line) {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > return< / span > line.find(< span class = "stringliteral" > " --> " < / span > ) == std::string::npos;< / 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 >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // Check to see if the block is likely a style block. Style blocks are< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // identified as any block that starts with a line that only contains< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "comment" > // " STYLE" .< / span > < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > // SOURCE: https://w3c.github.io/webvtt/#styling< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordtype" > bool< / span > IsLikelyStyle(< span class = "keyword" > const< / span > std::string& line) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordflow" > return< / span > base::TrimWhitespaceASCII(line, base::TRIM_TRAILING) == < span class = "stringliteral" > " STYLE" < / 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 >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > // Check to see if the block is likely a region block. Region blocks are< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // identified as any block that starts with a line that only contains< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "comment" > // " REGION" .< / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > // SOURCE: https://w3c.github.io/webvtt/#webvtt-region< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordtype" > bool< / span > IsLikelyRegion(< span class = "keyword" > const< / span > std::string& line) {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > return< / span > base::TrimWhitespaceASCII(line, base::TRIM_TRAILING) == < span class = "stringliteral" > " REGION" < / span > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordtype" > bool< / span > ParsePercent(< span class = "keyword" > const< / span > std::string& str, < span class = "keywordtype" > float< / span > * value) {< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > // https://www.w3.org/TR/webvtt1/#webvtt-percentage< / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > // E.g. " 4%" or " 1.5%" < / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (str[str.size() - 1] != < span class = "charliteral" > ' %' < / span > ) {< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / 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 = "keywordtype" > double< / span > temp;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordflow" > if< / span > (!base::StringToDouble(str.substr(0, str.size() - 1), & temp) ||< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   temp > = 100) {< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   *value = temp;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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 = "keywordtype" > bool< / span > ParseDoublePercent(< span class = "keyword" > const< / span > std::string& str, < span class = "keywordtype" > float< / span > * a, < span class = "keywordtype" > float< / span > * b) {< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keyword" > auto< / span > percents = base::SplitString(str, < span class = "stringliteral" > " ," < / span > , base::TRIM_WHITESPACE,< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   base::SPLIT_WANT_NONEMPTY);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > if< / span > (percents.size() != 2) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   }< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordtype" > float< / span > temp_a, temp_b;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > if< / span > (!ParsePercent(percents[0], & temp_a) ||< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   !ParsePercent(percents[1], & temp_b)) {< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   }< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   *a = temp_a;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   *b = temp_b;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   }< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordtype" > void< / span > ParseSettings(< span class = "keyword" > const< / span > std::string& < span class = "keywordtype" > id< / span > ,< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keyword" > const< / span > std::string& value,< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   TextSettings* settings) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // https://www.w3.org/TR/webvtt1/#ref-for-parse-the-webvtt-cue-settings-1< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " region" < / span > ) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   settings-> region = value;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " vertical" < / span > ) {< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " rl" < / span > ) {< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   settings-> writing_direction = WritingDirection::kVerticalGrowingLeft;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " lr" < / span > ) {< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   settings-> writing_direction = WritingDirection::kVerticalGrowingRight;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT vertical setting: " < / span > < < value;< / 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 >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " line" < / span > ) {< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > pos = value.find(< span class = "charliteral" > ' ,' < / span > );< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keyword" > const< / span > std::string line = value.substr(0, pos);< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keyword" > const< / span > std::string align =< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   pos != std::string::npos ? value.substr(pos + 1) : < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keywordflow" > if< / span > (pos != std::string::npos) {< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   LOG(WARNING) < < < span class = "stringliteral" > " WebVTT line alignment isn' t supported" < / span > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > if< / span > (!line.empty() & & line[line.size() - 1] == < span class = "charliteral" > ' %' < / span > ) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordtype" > float< / span > temp;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordflow" > if< / span > (!ParsePercent(line, & temp)) {< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT line: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > return< / 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 >   settings-> line.emplace(temp, TextUnitType::kPercent);< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordtype" > double< / span > temp;< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordflow" > if< / span > (!base::StringToDouble(line, & temp)) {< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT line: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   }< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   settings-> line.emplace(temp, TextUnitType::kLines);< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   }< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " position" < / span > ) {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > pos = value.find(< span class = "charliteral" > ' ,' < / span > );< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keyword" > const< / span > std::string position = value.substr(0, pos);< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keyword" > const< / span > std::string align =< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   pos != std::string::npos ? value.substr(pos + 1) : < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > if< / span > (pos != std::string::npos) {< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   LOG(WARNING) < < < span class = "stringliteral" > " WebVTT position alignment isn' t supported" < / span > ;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / 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 >   < span class = "keywordtype" > float< / span > temp;< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > if< / span > (ParsePercent(position, & temp)) {< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   settings-> position.emplace(temp, TextUnitType::kPercent);< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT position: " < / span > < < value;< / 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 = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " size" < / span > ) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordtype" > float< / span > temp;< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keywordflow" > if< / span > (ParsePercent(value, & temp)) {< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   settings-> width.emplace(temp, TextUnitType::kPercent);< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT size: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   }< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == < span class = "stringliteral" > " align" < / span > ) {< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " start" < / span > ) {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   settings-> text_alignment = TextAlignment::kStart;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " center" < / span > || value == < span class = "stringliteral" > " middle" < / span > ) {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   settings-> text_alignment = TextAlignment::kCenter;< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " end" < / span > ) {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   settings-> text_alignment = TextAlignment::kEnd;< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " left" < / span > ) {< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   settings-> text_alignment = TextAlignment::kLeft;< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (value == < span class = "stringliteral" > " right" < / span > ) {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   settings-> text_alignment = TextAlignment::kRight;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Invalid WebVTT align: " < / span > < < value;< / 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 = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unknown WebVTT setting: " < / span > < < id;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   }< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   }< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   WebVttParser::WebVttParser() {}< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb" > 193< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb" > WebVttParser::Init< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf" > InitCB< / a > & init_cb,< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#ad86528c837c0a773f7e853c38a4a3af2" > NewMediaSampleCB< / a > & new_media_sample_cb,< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a1df661cd2b63498a87d6a253f6f7c195" > NewTextSampleCB< / a > & new_text_sample_cb,< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > KeySource< / a > * decryption_key_source) {< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   DCHECK(init_cb_.is_null());< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   DCHECK(!init_cb.is_null());< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   DCHECK(!new_text_sample_cb.is_null());< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   DCHECK(!decryption_key_source) < < < span class = "stringliteral" > " Encrypted WebVTT not supported" < / span > ;< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   init_cb_ = init_cb;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   new_text_sample_cb_ = new_text_sample_cb;< / 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 >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91" > 206< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91" > WebVttParser::Flush< / a > () {< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   reader_.< a class = "code" href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a9ea2f0207b36f6adf1314796c701cc9f" > Flush< / a > ();< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d" > Parse< / a > ();< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / 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" > < a class = "line" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d" > 211< / a > < / span >   < span class = "keywordtype" > bool< / span > WebVttParser::Parse(< span class = "keyword" > const< / span > uint8_t* buf, < span class = "keywordtype" > int< / span > size) {< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   reader_.< a class = "code" href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a3db5ba0a907ab3d9332e8d2eac23c9c8" > PushData< / a > (buf, size);< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d" > Parse< / a > ();< / div >
< 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 >   < span class = "keywordtype" > bool< / span > WebVttParser::Parse() {< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordflow" > if< / span > (!initialized_) {< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   std::vector< std::string> block;< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > if< / span > (!reader_.< a class = "code" href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d" > Next< / a > (& block)) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / 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 >   < span class = "comment" > // Check the header. It is possible for a 0xFEFF BOM to come before the< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "comment" > // header text.< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordflow" > if< / span > (block.size() != 1) {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to read WEBVTT header - " < / span > < / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < < < span class = "stringliteral" > " block size should be 1 but was " < / span > < < block.size() < < < span class = "stringliteral" > " ." < / span > ;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordflow" > if< / span > (block[0] != < span class = "stringliteral" > " WEBVTT" < / span > & & block[0] != < span class = "stringliteral" > " \xEF\xBB\xBFWEBVTT" < / span > ) {< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to read WEBVTT header - should be WEBVTT but was " < / span > < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < < block[0];< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   }< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   initialized_ = < span class = "keyword" > true< / 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 >   std::vector< std::string> block;< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keywordflow" > while< / span > (reader_.< a class = "code" href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d" > Next< / a > (& block)) {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > if< / span > (!ParseBlock(block))< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
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< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   }< / div >
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< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   }< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordtype" > bool< / span > WebVttParser::ParseBlock(< span class = "keyword" > const< / span > std::vector< std::string> & block) {< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "comment" > // NOTE< / span > < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > if< / span > (IsLikelyNote(block[0])) {< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "comment" > // We can safely ignore the whole block.< / span > < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   }< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "comment" > // STYLE< / span > < / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > if< / span > (IsLikelyStyle(block[0])) {< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > if< / span > (saw_cue_) {< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   LOG(WARNING)< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < < < span class = "stringliteral" > " Found style block after seeing cue. Ignoring style block" < / span > ;< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 1; i < block.size(); i++) {< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keywordflow" > if< / span > (!css_styles_.empty())< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   css_styles_ += < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   css_styles_ += block[i];< / 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 >   }< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   }< / 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" > // REGION< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordflow" > if< / span > (IsLikelyRegion(block[0])) {< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keywordflow" > if< / span > (saw_cue_) {< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   LOG(WARNING)< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < < < span class = "stringliteral" > " Found region block after seeing cue. Ignoring region block" < / span > ;< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > return< / span > ParseRegion(block);< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   }< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   }< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // CUE with ID< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordflow" > if< / span > (block.size() > = 2 & & MaybeCueId(block[0]) & & < / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   IsLikelyCueTiming(block[1]) & & ParseCueWithId(block)) {< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   saw_cue_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / 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 >   < span class = "comment" > // CUE with no ID< / span > < / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "keywordflow" > if< / span > (IsLikelyCueTiming(block[0]) & & ParseCueWithNoId(block)) {< / div >
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< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   saw_cue_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   }< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < / div >
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< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to determine block classification:\n" < / span > < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < < BlockToString(block.data(), block.size());< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordtype" > bool< / span > WebVttParser::ParseRegion(< span class = "keyword" > const< / span > std::vector< std::string> & block) {< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   TextRegion region;< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   std::string region_id;< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "comment" > // Fill in defaults. Some may already be this, but set them anyway.< / span > < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "comment" > // See https://www.w3.org/TR/webvtt1/#regions< / span > < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   region.width.value = 100;< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   region.width.type = TextUnitType::kPercent;< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   region.height.value = 3;< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   region.height.type = TextUnitType::kLines;< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   region.window_anchor_x.value = 0;< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   region.window_anchor_x.type = TextUnitType::kPercent;< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   region.window_anchor_y.value = 100;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   region.window_anchor_y.type = TextUnitType::kPercent;< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   region.region_anchor_x.value = 0;< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   region.region_anchor_x.type = TextUnitType::kPercent;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   region.region_anchor_y.value = 100;< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   region.region_anchor_y.type = TextUnitType::kPercent;< / 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 = "keywordtype" > bool< / span > first = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & line : block) {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "comment" > // First line is " REGION" , skip.< / span > < / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   < span class = "keywordflow" > if< / span > (first) {< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   first = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keywordflow" > continue< / span > ;< / 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 >   base::StringPairs pairs;< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > if< / span > (!base::SplitStringIntoKeyValuePairs(line, < span class = "charliteral" > ' :' < / span > , < span class = "charliteral" > ' ' < / span > , & pairs)) {< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT settings: " < / span > < < line;< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
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< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   }< / div >
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< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pair : pairs) {< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keyword" > const< / span > std::string& value = pair.second;< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " id" < / span > ) {< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "keywordflow" > if< / span > (value.find(< span class = "stringliteral" > " --> " < / span > ) != std::string::npos) {< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION ID: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   }< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > if< / span > (regions_.find(value) != regions_.end()) {< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Duplicate WebVTT REGION: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   }< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   region_id = value;< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " width" < / span > ) {< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "keywordflow" > if< / span > (!ParsePercent(value, & region.width.value)) {< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION width: " < / span > < < value;< / div >
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< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   }< / div >
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< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " lines" < / span > ) {< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > temp;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordflow" > if< / span > (!base::StringToUint(value, & temp)) {< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION lines: " < / span > < < value;< / div >
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< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   }< / div >
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< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   region.height.value = temp;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " regionanchor" < / span > ) {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keywordflow" > if< / span > (!ParseDoublePercent(value, & region.region_anchor_x.value,< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   & region.region_anchor_y.value)) {< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION regionanchor: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " viewportanchor" < / span > ) {< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordflow" > if< / span > (!ParseDoublePercent(value, & region.window_anchor_x.value,< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   & region.window_anchor_y.value)) {< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION windowanchor: " < / span > < < value;< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   }< / div >
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< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (pair.first == < span class = "stringliteral" > " scroll" < / span > ) {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > if< / span > (value != < span class = "stringliteral" > " up" < / span > ) {< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid WebVTT REGION scroll: " < / span > < < value;< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   }< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   region.scroll = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Unknown WebVTT REGION setting: " < / span > < < pair.first;< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   }< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   }< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   }< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < span class = "keywordflow" > if< / span > (region_id.empty()) {< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   LOG(ERROR) < < < span class = "stringliteral" > " WebVTT REGION id is required" < / span > ;< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 >   regions_.insert(std::make_pair(region_id, std::move(region)));< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   }< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "keywordtype" > bool< / span > WebVttParser::ParseCueWithNoId(< span class = "keyword" > const< / span > std::vector< std::string> & block) {< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < span class = "keywordflow" > return< / span > ParseCue(< span class = "stringliteral" > " " < / span > , block.data(), block.size());< / 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 >   < / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   < span class = "keywordtype" > bool< / span > WebVttParser::ParseCueWithId(< span class = "keyword" > const< / span > std::vector< std::string> & block) {< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < span class = "keywordflow" > return< / span > ParseCue(block[0], block.data() + 1, block.size() - 1);< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   }< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   < / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < span class = "keywordtype" > bool< / span > WebVttParser::ParseCue(< span class = "keyword" > const< / span > std::string& < span class = "keywordtype" > id< / span > ,< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "keyword" > const< / span > std::string* block,< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordtype" > size_t< / span > block_size) {< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "keyword" > const< / span > std::vector< std::string> time_and_style = base::SplitString(< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   block[0], < span class = "stringliteral" > " " < / span > , base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);< / div >
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< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < / div >
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< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   uint64_t start_time = 0;< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   uint64_t end_time = 0;< / 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 = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > parsed_time =< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   time_and_style.size() > = 3 & & time_and_style[1] == < span class = "stringliteral" > " --> " < / span > & & < / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   WebVttTimestampToMs(time_and_style[0], & start_time) & & < / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   WebVttTimestampToMs(time_and_style[2], & end_time);< / 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 = "keywordflow" > if< / span > (!parsed_time) {< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Could not parse start time, --> , and end time from " < / span > < / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < < block[0];< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
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< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   < / div >
2021-06-11 04:44:53 +00:00
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < span class = "keywordflow" > if< / span > (!stream_info_dispatched_)< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   DispatchTextStreamInfo();< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < span class = "comment" > // According to the WebVTT spec end time must be greater than the start time< / span > < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < span class = "comment" > // of the cue. Since we are seeing content with invalid times in the field, we< / span > < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // are going to drop the cue instead of failing to package.< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "comment" > // For more context see:< / span > < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "comment" > // - https://www.w3.org/TR/webvtt1/#webvtt-cue-timings< / span > < / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "comment" > // - https://github.com/google/shaka-packager/issues/335< / span > < / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "comment" > // - https://github.com/google/shaka-packager/issues/425< / span > < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < span class = "comment" > // Print a warning so that those packaging content can know that their< / span > < / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "comment" > // content is not spec compliant.< / span > < / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < span class = "keywordflow" > if< / span > (end_time < = start_time) {< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   LOG(WARNING) < < < span class = "stringliteral" > " WebVTT input is not spec compliant. Start time (" < / span > < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < < start_time < < < span class = "stringliteral" > " ) should be less than end time (" < / span > < < end_time< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < < < span class = "stringliteral" > " ). Skipping webvtt cue:" < / span > < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < < BlockToString(block, block_size);< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   }< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   TextSettings settings;< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 3; i < time_and_style.size(); i++) {< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > pos = time_and_style[i].find(< span class = "charliteral" > ' :' < / span > );< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "keywordflow" > if< / span > (pos == std::string::npos) {< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   }< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   < span class = "keyword" > const< / span > std::string key = time_and_style[i].substr(0, pos);< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keyword" > const< / span > std::string value = time_and_style[i].substr(pos + 1);< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   ParseSettings(key, value, & settings);< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   }< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "comment" > // The rest of the block is the payload.< / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "comment" > // TODO: Parse tags to support < b> , < i> , etc.< / span > < / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   TextFragment body;< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   TextFragmentStyle no_styles;< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 1; i < block_size; i++) {< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "keywordflow" > if< / span > (i > 1) {< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   body.sub_fragments.emplace_back(no_styles, < span class = "comment" > /* newline= */< / span > < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   }< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   body.sub_fragments.emplace_back(no_styles, block[i]);< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   }< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > sample =< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   std::make_shared< TextSample> (< span class = "keywordtype" > id< / span > , start_time, end_time, settings, body);< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < span class = "keywordflow" > return< / span > new_text_sample_cb_.Run(kStreamIndex, sample);< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   }< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   < span class = "keywordtype" > void< / span > WebVttParser::DispatchTextStreamInfo() {< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   stream_info_dispatched_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kTrackId = 0;< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < span class = "comment" > // The resolution of timings are in milliseconds.< / span > < / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kTimescale = 1000;< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < span class = "comment" > // The duration passed here is not very important. Also the whole file< / span > < / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "comment" > // must be read before determining the real duration which doesn' t< / span > < / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < span class = "comment" > // work nicely with the current demuxer.< / span > < / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDuration = 0;< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kWebVttCodecString[] = < span class = "stringliteral" > " wvtt" < / span > ;< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keyword" > const< / span > int64_t kNoWidth = 0;< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keyword" > const< / span > int64_t kNoHeight = 0;< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < span class = "comment" > // The language of the stream will be overwritten by the Demuxer later.< / span > < / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > kNoLanguage[] = < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   < / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > stream = std::make_shared< TextStreamInfo> (< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   kTrackId, kTimescale, kDuration, kCodecWebVtt, kWebVttCodecString, < span class = "stringliteral" > " " < / span > ,< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   kNoWidth, kNoHeight, kNoLanguage);< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   stream-> set_css_styles(css_styles_);< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & pair : regions_)< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   stream-> AddRegion(pair.first, pair.second);< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   < / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   std::vector< std::shared_ptr< StreamInfo> > streams{stream};< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   init_cb_.Run(streams);< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   }< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   < / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
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< div class = "ttc" id = "aclassshaka_1_1media_1_1BlockReader_html_a3db5ba0a907ab3d9332e8d2eac23c9c8" > < div class = "ttname" > < a href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a3db5ba0a907ab3d9332e8d2eac23c9c8" > shaka::media::BlockReader::PushData< / a > < / div > < div class = "ttdeci" > void PushData(const uint8_t *data, size_t data_size)< / div > < div class = "ttdoc" > Pushes data onto the end of the buffer.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d51/text__readers_8cc_source.html#l00073" > text_readers.cc:73< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1BlockReader_html_a9ea2f0207b36f6adf1314796c701cc9f" > < div class = "ttname" > < a href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#a9ea2f0207b36f6adf1314796c701cc9f" > shaka::media::BlockReader::Flush< / a > < / div > < div class = "ttdeci" > void Flush()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d51/text__readers_8cc_source.html#l00103" > text_readers.cc:103< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1BlockReader_html_aaab26080db4e71f585de85c392c9745d" > < div class = "ttname" > < a href = "../../df/d0d/classshaka_1_1media_1_1BlockReader.html#aaab26080db4e71f585de85c392c9745d" > shaka::media::BlockReader::Next< / a > < / div > < div class = "ttdeci" > bool Next(std::vector< std::string > *out)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d51/text__readers_8cc_source.html#l00078" > text_readers.cc:78< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / div > < div class = "ttdoc" > KeySource is responsible for encryption key acquisition.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00051" > key_source.h:51< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaParser_html_a1df661cd2b63498a87d6a253f6f7c195" > < div class = "ttname" > < a href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a1df661cd2b63498a87d6a253f6f7c195" > shaka::media::MediaParser::NewTextSampleCB< / a > < / div > < div class = "ttdeci" > base::Callback< bool(uint32_t track_id, std::shared_ptr< TextSample > text_sample)> NewTextSampleCB< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d12/media__parser_8h_source.html#l00053" > media_parser.h:53< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaParser_html_ad86528c837c0a773f7e853c38a4a3af2" > < div class = "ttname" > < a href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#ad86528c837c0a773f7e853c38a4a3af2" > shaka::media::MediaParser::NewMediaSampleCB< / a > < / div > < div class = "ttdeci" > base::Callback< bool(uint32_t track_id, std::shared_ptr< MediaSample > media_sample)> NewMediaSampleCB< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d12/media__parser_8h_source.html#l00044" > media_parser.h:44< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaParser_html_aef5795d2b3df2526c6e8afe1e4d072bf" > < div class = "ttname" > < a href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#aef5795d2b3df2526c6e8afe1e4d072bf" > shaka::media::MediaParser::InitCB< / a > < / div > < div class = "ttdeci" > base::Callback< void(const std::vector< std::shared_ptr< StreamInfo > > & stream_info)> InitCB< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d12/media__parser_8h_source.html#l00035" > media_parser.h:35< / a > < / div > < / div >
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< div class = "ttc" id = "aclassshaka_1_1media_1_1WebVttParser_html_a521d223f2fe3c80f66cdc3bda8c07e91" > < div class = "ttname" > < a href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a521d223f2fe3c80f66cdc3bda8c07e91" > shaka::media::WebVttParser::Flush< / a > < / div > < div class = "ttdeci" > bool Flush() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d04/webvtt__parser_8cc_source.html#l00206" > webvtt_parser.cc:206< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1WebVttParser_html_a748578474cffb5e3a817a2eeeca50abb" > < div class = "ttname" > < a href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#a748578474cffb5e3a817a2eeeca50abb" > shaka::media::WebVttParser::Init< / a > < / div > < div class = "ttdeci" > void Init(const InitCB & init_cb, const NewMediaSampleCB & new_media_sample_cb, const NewTextSampleCB & new_text_sample_cb, KeySource *decryption_key_source) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d04/webvtt__parser_8cc_source.html#l00193" > webvtt_parser.cc:193< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1WebVttParser_html_aa38d64a81319d43a1194d26e9a39ac1d" > < div class = "ttname" > < a href = "../../d9/d40/classshaka_1_1media_1_1WebVttParser.html#aa38d64a81319d43a1194d26e9a39ac1d" > shaka::media::WebVttParser::Parse< / a > < / div > < div class = "ttdeci" > bool Parse(const uint8_t *buf, int size) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/d04/webvtt__parser_8cc_source.html#l00211" > webvtt_parser.cc:211< / a > < / div > < / div >
2021-04-10 04:00:37 +00:00
< 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 >
2018-02-10 23:37:42 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2021-06-11 04:44:53 +00:00
Generated on Thu Jun 10 2021 21:44:26 for Shaka Packager SDK by  < a href = "https://www.doxygen.org/index.html" > < img class = "footer" src = "../../doxygen.svg" width = "104" height = "31" alt = "doxygen" / > < / a > 1.9.1
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< / small > < / address >
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< / html >
