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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_51a7c7233efd277e3898c7f3689e7b5b.html" > dvb< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2020 Google LLC. 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/dvb/dvb_sub_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp2t/mp2t_common.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   RgbaColor ConvertYuv(uint8_t Y, uint8_t Cr, uint8_t Cb, uint8_t T) {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > // Converts based on ITU-R BT.601.< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // See https://en.wikipedia.org/wiki/YCbCr< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > // Note that the T value should be interpolated based on a full transparency< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "comment" > // being 256. This means that T=255 should not be fully transparent. Y=0 is< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "comment" > // used to signal full transparency.< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "comment" > // Values for Y< 16 (except Y=0) are invalid, so clamp to 16.< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   RgbaColor color;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > y_transform = 255.0 / 219 * (std::max< uint8_t> (Y, 16) - 16);< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > cb_transform = 255.0 / 244 * 1.772 * (Cb - 128);< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > cr_transform = 255.0 / 244 * 1.402 * (Cr - 128);< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > f1 = 0.114 / 0.587;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > f2 = 0.299 / 0.587;< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   color.r = < span class = "keyword" > static_cast< < / span > uint8_t< span class = "keyword" > > < / span > (y_transform + cr_transform);< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   color.g =< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keyword" > static_cast< < / span > uint8_t< span class = "keyword" > > < / span > (y_transform - cb_transform * f1 - cr_transform * f2);< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   color.b = < span class = "keyword" > static_cast< < / span > uint8_t< span class = "keyword" > > < / span > (y_transform + cb_transform);< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   color.a = Y == 0 ? 0 : (T == 0 ? 255 : 256 - T);< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > return< / span > color;< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   }< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   DvbSubParser::DvbSubParser() : last_pts_(0), timeout_(0) {}< / 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 >   DvbSubParser::~DvbSubParser() {}< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::Parse(DvbSubSegmentType segment_type,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   int64_t pts,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > const< / span > uint8_t* payload,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordtype" > size_t< / span > size,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   std::vector< std::shared_ptr< TextSample> > * samples) {< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > switch< / span > (segment_type) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kPageComposition:< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordflow" > return< / span > ParsePageComposition(pts, payload, size, samples);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kRegionComposition:< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keywordflow" > return< / span > ParseRegionComposition(payload, size);< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kClutDefinition:< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > return< / span > ParseClutDefinition(payload, size);< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kObjectData:< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keywordflow" > return< / span > ParseObjectData(pts, payload, size);< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kDisplayDefinition:< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordflow" > return< / span > ParseDisplayDefinition(payload, size);< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > case< / span > DvbSubSegmentType::kEndOfDisplay:< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "comment" > // This signals all the current objects are available. But we need to< / span > < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > // know the end time, so we do nothing for now.< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unknown DVB-sub segment_type=0x" < / span > < < std::hex< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < < < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (segment_type);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   }< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::Flush(std::vector< std::shared_ptr< TextSample> > * samples) {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   RCHECK(composer_.GetSamples(last_pts_, last_pts_ + timeout_ * kMpeg2Timescale,< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   samples));< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   composer_.ClearObjects();< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   }< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keyword" > const< / span > DvbImageColorSpace* DvbSubParser::GetColorSpace(uint8_t clut_id) {< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keywordflow" > return< / span > composer_.GetColorSpace(clut_id);< / 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 = "keyword" > const< / span > DvbImageBuilder* DvbSubParser::GetImageForObject(uint16_t object_id) {< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordflow" > return< / span > composer_.GetObjectImage(object_id);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   }< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::ParsePageComposition(< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   int64_t pts,< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > size_t< / span > size,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   std::vector< std::shared_ptr< TextSample> > * samples) {< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.2.< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   BitReader reader(data, size);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   uint8_t page_state;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   RCHECK(reader.ReadBits(8, & timeout_));< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // page_version_number< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   RCHECK(reader.ReadBits(2, & page_state));< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   RCHECK(reader.SkipBits(2)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > if< / span > (page_state == 0x1 || page_state == 0x2) {< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > // If this is a " acquisition point" or a " mode change" , then this is a new< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > // page and we should clear the old data.< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   RCHECK(composer_.GetSamples(last_pts_, pts, samples));< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   composer_.ClearObjects();< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   last_pts_ = pts;< / 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 = "keywordflow" > while< / span > (reader.bits_available() > 0u) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   uint8_t region_id;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   uint16_t x, y;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   RCHECK(reader.ReadBits(8, & region_id));< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   RCHECK(reader.SkipBits(8)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   RCHECK(reader.ReadBits(16, & x));< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   RCHECK(reader.ReadBits(16, & y));< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   RCHECK(composer_.SetRegionPosition(region_id, x, y));< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   }< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   }< / 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 = "keywordtype" > bool< / span > DvbSubParser::ParseRegionComposition(< span class = "keyword" > const< / span > uint8_t* data, < span class = "keywordtype" > size_t< / span > size) {< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.3.< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   BitReader reader(data, size);< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   uint8_t region_id, clut_id;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   uint16_t region_width, region_height;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordtype" > bool< / span > region_fill_flag;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > int< / span > background_pixel_code;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   RCHECK(reader.ReadBits(8, & region_id));< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // region_version_number< / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   RCHECK(reader.ReadBits(1, & region_fill_flag));< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   RCHECK(reader.SkipBits(3)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   RCHECK(reader.ReadBits(16, & region_width));< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   RCHECK(reader.ReadBits(16, & region_height));< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   RCHECK(reader.SkipBits(3)); < span class = "comment" > // region_level_of_compatibility< / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   RCHECK(reader.SkipBits(3)); < span class = "comment" > // region_depth< / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   RCHECK(reader.SkipBits(2)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   RCHECK(reader.ReadBits(8, & clut_id));< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   RCHECK(reader.ReadBits(8, & background_pixel_code));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // region_4-bit_pixel_code< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   RCHECK(reader.SkipBits(2)); < span class = "comment" > // region_2-bit_pixel_code< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   RCHECK(reader.SkipBits(2)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   RCHECK(< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   composer_.SetRegionInfo(region_id, clut_id, region_width, region_height));< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordflow" > if< / span > (!region_fill_flag)< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   background_pixel_code = -1;< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > while< / span > (reader.bits_available() > 0) {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   uint16_t object_id, x, y;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   uint8_t object_type;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   RCHECK(reader.ReadBits(16, & object_id));< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   RCHECK(reader.ReadBits(2, & object_type));< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   RCHECK(reader.SkipBits(2)); < span class = "comment" > // object_provider_flag< / span > < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   RCHECK(reader.ReadBits(12, & x));< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   RCHECK(reader.ReadBits(12, & y));< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keywordflow" > if< / span > (object_type == 0x01 || object_type == 0x02) {< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   RCHECK(reader.SkipBits(8)); < span class = "comment" > // foreground_pixel_code< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   RCHECK(reader.SkipBits(8)); < span class = "comment" > // background_pixel_code< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   }< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   RCHECK(composer_.SetObjectInfo(object_id, region_id, x, y,< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   background_pixel_code));< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   }< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::ParseClutDefinition(< span class = "keyword" > const< / span > uint8_t* data, < span class = "keywordtype" > size_t< / span > size) {< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.4.< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   BitReader reader(data, size);< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   uint8_t clut_id;< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   RCHECK(reader.ReadBits(8, & clut_id));< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keyword" > auto< / span > * color_space = composer_.GetColorSpace(clut_id);< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // CLUT_version_number< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keywordflow" > while< / span > (reader.bits_available() > 0) {< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   uint8_t clut_entry_id;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   uint8_t has_2_bit;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   uint8_t has_4_bit;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   uint8_t has_8_bit;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   uint8_t full_range_flag;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   RCHECK(reader.ReadBits(8, & clut_entry_id));< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   RCHECK(reader.ReadBits(1, & has_2_bit));< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   RCHECK(reader.ReadBits(1, & has_4_bit));< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   RCHECK(reader.ReadBits(1, & has_8_bit));< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   RCHECK(reader.ReadBits(1, & full_range_flag));< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > if< / span > (has_2_bit + has_4_bit + has_8_bit != 1) {< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Must specify exactly one bit depth in CLUT definition" < / span > ;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   }< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keyword" > const< / span > BitDepth bit_depth =< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   has_2_bit ? BitDepth::k2Bit< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   : (has_4_bit ? BitDepth::k4Bit : BitDepth::k8Bit);< / 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 >   uint8_t Y, Cr, Cb, T;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > if< / span > (full_range_flag) {< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   RCHECK(reader.ReadBits(8, & Y));< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   RCHECK(reader.ReadBits(8, & Cr));< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   RCHECK(reader.ReadBits(8, & Cb));< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   RCHECK(reader.ReadBits(8, & T));< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "comment" > // These store the most-significant bits, so shift them up.< / span > < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   RCHECK(reader.ReadBits(6, & Y));< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   Y < < = 2;< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   RCHECK(reader.ReadBits(4, & Cr));< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   Cr < < = 4;< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   RCHECK(reader.ReadBits(4, & Cb));< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   Cb < < = 4;< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   RCHECK(reader.ReadBits(2, & T));< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   T < < = 6;< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   }< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   color_space-> SetColor(bit_depth, clut_entry_id, ConvertYuv(Y, Cr, Cb, T));< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / 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 >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   }< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::ParseObjectData(int64_t pts,< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordtype" > size_t< / span > size) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.5 Table 17.< / span > < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   BitReader reader(data, size);< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   uint16_t object_id;< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   uint8_t object_coding_method;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   RCHECK(reader.ReadBits(16, & object_id));< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // object_version_number< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   RCHECK(reader.ReadBits(2, & object_coding_method));< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   RCHECK(reader.SkipBits(1)); < span class = "comment" > // non_modifying_colour_flag< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   RCHECK(reader.SkipBits(1)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "keyword" > auto< / span > * image = composer_.GetObjectImage(object_id);< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keyword" > auto< / span > * color_space = composer_.GetColorSpaceForObject(object_id);< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > if< / span > (!image || !color_space)< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > if< / span > (object_coding_method == 0) {< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   uint16_t top_field_length;< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   uint16_t bottom_field_length;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   RCHECK(reader.ReadBits(16, & top_field_length));< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   RCHECK(reader.ReadBits(16, & bottom_field_length));< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   RCHECK(ParsePixelDataSubObject(top_field_length, < span class = "keyword" > true< / span > , & reader, color_space,< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   image));< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   RCHECK(ParsePixelDataSubObject(bottom_field_length, < span class = "keyword" > false< / span > , & reader,< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   color_space, image));< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "comment" > // Ignore 8_stuff_bits since we don' t need to read to the end.< / span > < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > if< / span > (bottom_field_length == 0) {< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "comment" > // If there are no bottom rows, then the top rows are used instead. See< / span > < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "comment" > // beginning of section 7.2.5.1.< / span > < / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   image-> MirrorToBottomRows();< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   }< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Unsupported DVB-sub object coding method: " < / span > < / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (object_coding_method);< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   }< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / 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 >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::ParseDisplayDefinition(< span class = "keyword" > const< / span > uint8_t* data, < span class = "keywordtype" > size_t< / span > size) {< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.1.< / span > < / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   BitReader reader(data, size);< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   uint16_t width, height;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   RCHECK(reader.SkipBits(4)); < span class = "comment" > // dds_version_number< / span > < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   RCHECK(reader.SkipBits(1)); < span class = "comment" > // display_window_flag< / span > < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   RCHECK(reader.SkipBits(3)); < span class = "comment" > // reserved< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   RCHECK(reader.ReadBits(16, & width));< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   RCHECK(reader.ReadBits(16, & height));< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // Size is stored as -1.< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   composer_.SetDisplaySize(width + 1, height + 1);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / 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 >   < span class = "keywordtype" > bool< / span > DvbSubParser::ParsePixelDataSubObject(< span class = "keywordtype" > size_t< / span > sub_object_length,< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "keywordtype" > bool< / span > is_top_fields,< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   DvbImageColorSpace* color_space,< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   DvbImageBuilder* image) {< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > start = reader-> bit_position() / 8;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordflow" > while< / span > (reader-> bit_position() / 8 < start + sub_object_length) {< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "comment" > // See ETSI EN 300 743 Section 7.2.5.1 Table 20< / span > < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   uint8_t data_type;< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   RCHECK(reader-> ReadBits(8, & data_type));< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   uint8_t temp[16];< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordflow" > switch< / span > (data_type) {< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordflow" > case< / span > 0x10:< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   RCHECK(Parse2BitPixelData(is_top_fields, reader, image));< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   reader-> SkipToNextByte();< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keywordflow" > case< / span > 0x11:< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   RCHECK(Parse4BitPixelData(is_top_fields, reader, image));< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   reader-> SkipToNextByte();< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > case< / span > 0x12:< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   RCHECK(Parse8BitPixelData(is_top_fields, reader, image));< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordflow" > case< / span > 0x20:< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 4; i++) {< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   RCHECK(reader-> ReadBits(4, & temp[i]));< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   }< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   color_space-> Set2To4BitDepthMap(temp);< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < span class = "keywordflow" > case< / span > 0x21:< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 4; i++) {< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   RCHECK(reader-> ReadBits(8, & temp[i]));< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   }< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   color_space-> Set2To8BitDepthMap(temp);< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keywordflow" > case< / span > 0x22:< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 16; i++) {< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   RCHECK(reader-> ReadBits(8, & temp[i]));< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   }< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   color_space-> Set4To8BitDepthMap(temp);< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > case< / span > 0xf0:< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   image-> NewRow(is_top_fields);< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Unsupported DVB-sub pixel data format: 0x" < / span > < < std::hex< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (data_type);< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   }< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   }< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   }< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::Parse2BitPixelData(< span class = "keywordtype" > bool< / span > is_top_fields,< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   DvbImageBuilder* image) {< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "comment" > // 2-bit/pixel code string, Section 7.2.5.2.1, Table 22.< / span > < / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   uint8_t peek;< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   RCHECK(reader-> ReadBits(2, & peek));< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "keywordflow" > if< / span > (peek != 0) {< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   uint8_t switch_1;< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   RCHECK(reader-> ReadBits(1, & switch_1));< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordflow" > if< / span > (switch_1 == 1) {< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   uint8_t count_minus_3;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   RCHECK(reader-> ReadBits(3, & count_minus_3));< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   RCHECK(reader-> ReadBits(2, & peek));< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > for< / span > (uint8_t i = 0; i < count_minus_3 + 3; i++)< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   uint8_t switch_2;< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   RCHECK(reader-> ReadBits(1, & switch_2));< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordflow" > if< / span > (switch_2 == 1) {< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   uint8_t switch_3;< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   RCHECK(reader-> ReadBits(2, & switch_3));< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (switch_3 == 0) {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (switch_3 == 1) {< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (switch_3 == 2) {< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   uint8_t count_minus_12;< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   RCHECK(reader-> ReadBits(4, & count_minus_12));< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   RCHECK(reader-> ReadBits(2, & peek));< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordflow" > for< / span > (uint8_t i = 0; i < count_minus_12 + 12; i++)< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (switch_3 == 3) {< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   uint8_t count_minus_29;< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   RCHECK(reader-> ReadBits(8, & count_minus_29));< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   RCHECK(reader-> ReadBits(2, & peek));< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "keywordflow" > for< / span > (uint8_t i = 0; i < count_minus_29 + 29; i++)< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   RCHECK(image-> AddPixel(BitDepth::k2Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / 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 >   }< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   }< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   }< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::Parse4BitPixelData(< span class = "keywordtype" > bool< / span > is_top_fields,< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   DvbImageBuilder* image) {< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "comment" > // 4-bit/pixel code string, Section 7.2.5.2.2, Table 24.< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   DCHECK(reader-> bits_available() % 8 == 0);< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   uint8_t peek;< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   RCHECK(reader-> ReadBits(4, & peek));< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keywordflow" > if< / span > (peek != 0) {< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   uint8_t switch_1;< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   RCHECK(reader-> ReadBits(1, & switch_1));< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordflow" > if< / span > (switch_1 == 0) {< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   RCHECK(reader-> ReadBits(3, & peek));< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < span class = "keywordflow" > if< / span > (peek != 0) {< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < peek + 2; i++)< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   uint8_t switch_2;< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   RCHECK(reader-> ReadBits(1, & switch_2));< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < span class = "keywordflow" > if< / span > (switch_2 == 0) {< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   RCHECK(reader-> ReadBits(2, & peek)); < span class = "comment" > // run_length_4-7< / span > < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   uint8_t code;< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   RCHECK(reader-> ReadBits(4, & code));< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < peek + 4; i++)< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, code, is_top_fields));< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   uint8_t switch_3;< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   RCHECK(reader-> ReadBits(2, & switch_3));< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keywordflow" > if< / span > (switch_3 == 0) {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (switch_3 == 1) {< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (switch_3 == 2) {< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   RCHECK(reader-> ReadBits(4, & peek)); < span class = "comment" > // run_length_9-24< / span > < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   uint8_t code;< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   RCHECK(reader-> ReadBits(4, & code));< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < peek + 9; i++)< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, code, is_top_fields));< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "comment" > // switch_3 == 3< / span > < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   RCHECK(reader-> ReadBits(8, & peek)); < span class = "comment" > // run_length_25-280< / span > < / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   uint8_t code;< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   RCHECK(reader-> ReadBits(4, & code));< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < peek + 25; i++)< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   RCHECK(image-> AddPixel(BitDepth::k4Bit, code, is_top_fields));< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   }< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   }< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   }< / 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 = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   }< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "keywordtype" > bool< / span > DvbSubParser::Parse8BitPixelData(< span class = "keywordtype" > bool< / span > is_top_fields,< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   BitReader* reader,< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   DvbImageBuilder* image) {< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < span class = "comment" > // 8-bit/pixel code string, Section 7.2.5.2.3, Table 26.< / span > < / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   < span class = "keywordflow" > while< / span > (< span class = "keyword" > true< / span > ) {< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   uint8_t peek;< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   RCHECK(reader-> ReadBits(8, & peek));< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "keywordflow" > if< / span > (peek != 0) {< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   RCHECK(image-> AddPixel(BitDepth::k8Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   uint8_t switch_1;< / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   RCHECK(reader-> ReadBits(1, & switch_1));< / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   < span class = "keywordflow" > if< / span > (switch_1 == 0) {< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   RCHECK(reader-> ReadBits(7, & peek));< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < span class = "keywordflow" > if< / span > (peek != 0) {< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "keywordflow" > for< / span > (uint8_t i = 0; i < peek; i++)< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   RCHECK(image-> AddPixel(BitDepth::k8Bit, 0, is_top_fields));< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   }< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   uint8_t count;< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   RCHECK(reader-> ReadBits(7, & count));< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   RCHECK(reader-> ReadBits(8, & peek));< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keywordflow" > for< / span > (uint8_t i = 0; i < count; i++)< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   RCHECK(image-> AddPixel(BitDepth::k8Bit, peek, is_top_fields));< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   }< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / 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 >   < / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   }< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
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< 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 >
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