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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_5eb2e460866db0ed29e32d64402e5c22.html" > filters< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 The Chromium Authors. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style license that can be< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // found in the LICENSE file.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "preprocessor" > #include " packager/media/filters/h264_parser.h" < / 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/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > #include " packager/base/memory/scoped_ptr.h" < / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/base/stl_util.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_reader.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #define RCHECK(x) \< / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > if (!(x)) { \< / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > LOG(ERROR) < < " Failure while parsing AVCDecoderConfig: " < < #x; \< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > return false; \< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > < / span > < / div >
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< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keywordtype" > bool< / span > ExtractResolutionFromDecoderConfig(< span class = "keyword" > const< / span > uint8_t* avc_decoder_config_data,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordtype" > size_t< / span > avc_decoder_config_data_size,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   uint32_t* coded_width,< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   uint32_t* coded_height,< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   uint32_t* pixel_width,< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   uint32_t* pixel_height) {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   BufferReader reader(avc_decoder_config_data, avc_decoder_config_data_size);< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   uint8_t value = 0;< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // version check, must be 1.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   RCHECK(reader.Read1(& value));< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   RCHECK(value == 1);< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // avc profile. No value check.< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   RCHECK(reader.Read1(& value));< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // profile compatibility. No value check.< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   RCHECK(reader.Read1(& value));< / 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" > // avc level indication. No value check.< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   RCHECK(reader.Read1(& value));< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // reserved and length sized minus one.< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   RCHECK(reader.Read1(& value));< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // upper 6 bits are reserved and must be 111111.< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   RCHECK((value & 0xFC) == 0xFC);< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // reserved and num sps.< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   RCHECK(reader.Read1(& value));< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // upper 3 bits are reserved for 0b111.< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   RCHECK((value & 0xE0) == 0xE0);< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keyword" > const< / span > uint8_t num_sps = value & 0x1F;< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > if< / span > (num_sps < 1) {< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   LOG(ERROR) < < < span class = "stringliteral" > " No SPS found." < / span > ;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   }< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   uint16_t sps_length = 0;< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   RCHECK(reader.Read2(& sps_length));< / 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 = "keywordflow" > return< / span > ExtractResolutionFromSpsData(reader.data() + reader.pos(), sps_length,< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   coded_width, coded_height, pixel_width,< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   pixel_height);< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > // It is unlikely to have more than one SPS in practice. Also there' s< / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > // no way to change the {coded,pixel}_{width,height} dynamically from< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // VideoStreamInfo. So skip the rest (if there are any).< / 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 = "keywordtype" > bool< / span > ExtractResolutionFromSpsData(< span class = "keyword" > const< / span > uint8_t* sps_data,< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keywordtype" > size_t< / span > sps_data_size,< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   uint32_t* coded_width,< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   uint32_t* coded_height,< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   uint32_t* pixel_width,< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   uint32_t* pixel_height) {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   H264Parser parser;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordtype" > int< / span > sps_id;< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   RCHECK(parser.ParseSPSFromArray(sps_data, sps_data_size, & sps_id) ==< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   H264Parser::kOk);< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordflow" > return< / span > ExtractResolutionFromSps(*parser.GetSPS(sps_id), coded_width,< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   coded_height, pixel_width, pixel_height);< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / 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 >   < span class = "comment" > // Implemented according to ISO/IEC 14496-10:2005 7.4.2.1 Sequence parameter set< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // RBSP semantics.< / span > < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordtype" > bool< / span > ExtractResolutionFromSps(< span class = "keyword" > const< / span > H264SPS& sps,< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   uint32_t* coded_width,< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   uint32_t* coded_height,< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   uint32_t* pixel_width,< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   uint32_t* pixel_height) {< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "keywordtype" > int< / span > crop_x = 0;< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > int< / span > crop_y = 0;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > if< / span > (sps.frame_cropping_flag) {< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordtype" > int< / span > sub_width_c = 0;< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > int< / span > sub_height_c = 0;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "comment" > // Table 6-1.< / span > < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > switch< / span > (sps.chroma_format_idc) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > case< / span > 0: < span class = "comment" > // monochrome< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // SubWidthC and SubHeightC are not defined for monochrome. For ease of< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // computation afterwards, assign both to 1.< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   sub_width_c = 1;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   sub_height_c = 1;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > case< / span > 1: < span class = "comment" > // 4:2:0< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   sub_width_c = 2;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   sub_height_c = 2;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordflow" > case< / span > 2: < span class = "comment" > // 4:2:2< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   sub_width_c = 2;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   sub_height_c = 1;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > case< / span > 3: < span class = "comment" > // 4:4:4< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   sub_width_c = 1;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   sub_height_c = 1;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Unexpected chroma_format_idc " < / span > < < sps.chroma_format_idc;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 = "comment" > // Formula 7-16, 7-17, 7-18, 7-19.< / span > < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordtype" > int< / span > crop_unit_x = sub_width_c;< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordtype" > int< / span > crop_unit_y = sub_height_c * (2 - (sps.frame_mbs_only_flag ? 1 : 0));< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   crop_x = crop_unit_x *< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   (sps.frame_crop_left_offset + sps.frame_crop_right_offset);< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   crop_y = crop_unit_y *< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   (sps.frame_crop_top_offset + sps.frame_crop_bottom_offset);< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   }< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "comment" > // Formula 7-10, 7-11.< / span > < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > int< / span > pic_width_in_mbs = sps.pic_width_in_mbs_minus1 + 1;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   *coded_width = pic_width_in_mbs * 16 - crop_x;< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "comment" > // Formula 7-13, 7-15.< / span > < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordtype" > int< / span > pic_height_in_mbs = (2 - (sps.frame_mbs_only_flag ? 1 : 0)) *< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   (sps.pic_height_in_map_units_minus1 + 1);< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   *coded_height = pic_height_in_mbs * 16 - crop_y;< / 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 >   < span class = "comment" > // 0 means it wasn' t in the SPS and therefore assume 1.< / span > < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   *pixel_width = sps.sar_width == 0 ? 1 : sps.sar_width;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   *pixel_height = sps.sar_height == 0 ? 1 : sps.sar_height;< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   DVLOG(2) < < < span class = "stringliteral" > " Found coded_width: " < / span > < < *coded_width< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < < < span class = "stringliteral" > " coded_height: " < / span > < < *coded_height< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < < < span class = "stringliteral" > " pixel_width: " < / span > < < *pixel_width< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < < < span class = "stringliteral" > " pixel_height: " < / span > < < *pixel_height;< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "preprocessor" > #undef RCHECK< / span > < / div >
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< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "preprocessor" > < / span > < / div >
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< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordtype" > bool< / span > H264SliceHeader::IsPSlice()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordflow" > return< / span > (slice_type % 5 == kPSlice);< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   }< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordtype" > bool< / span > H264SliceHeader::IsBSlice()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > return< / span > (slice_type % 5 == kBSlice);< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordtype" > bool< / span > H264SliceHeader::IsISlice()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordflow" > return< / span > (slice_type % 5 == kISlice);< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   }< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordtype" > bool< / span > H264SliceHeader::IsSPSlice()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > return< / span > (slice_type % 5 == kSPSlice);< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   }< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordtype" > bool< / span > H264SliceHeader::IsSISlice()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "keywordflow" > return< / span > (slice_type % 5 == kSISlice);< / 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 >   < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   H264NALU::H264NALU() {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   memset(< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   }< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   H264SPS::H264SPS() {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   memset(< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   }< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   H264PPS::H264PPS() {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   memset(< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   }< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   H264SliceHeader::H264SliceHeader() {< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   memset(< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   }< / 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 >   H264SEIMessage::H264SEIMessage() {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   memset(< span class = "keyword" > this< / span > , 0, < span class = "keyword" > sizeof< / span > (*< span class = "keyword" > this< / span > ));< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / 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 >   < span class = "preprocessor" > #define READ_BITS_OR_RETURN(num_bits, out) \< / span > < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "preprocessor" > int _out; \< / span > < / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "preprocessor" > if (!br_.ReadBits(num_bits, & _out)) { \< / span > < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < span class = "preprocessor" > DVLOG(1) \< / span > < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "preprocessor" > < < " Error in stream: unexpected EOS while trying to read " #out; \< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "preprocessor" > *out = _out; \< / span > < / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "preprocessor" > #define READ_BOOL_OR_RETURN(out) \< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "preprocessor" > int _out; \< / span > < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "preprocessor" > if (!br_.ReadBits(1, & _out)) { \< / span > < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "preprocessor" > DVLOG(1) \< / span > < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "preprocessor" > < < " Error in stream: unexpected EOS while trying to read " #out; \< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "preprocessor" > *out = _out != 0; \< / span > < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "preprocessor" > #define READ_UE_OR_RETURN(out) \< / span > < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "preprocessor" > if (ReadUE(out) != kOk) { \< / span > < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "preprocessor" > DVLOG(1) < < " Error in stream: invalid value while trying to read " #out; \< / span > < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "preprocessor" > #define READ_SE_OR_RETURN(out) \< / span > < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "preprocessor" > if (ReadSE(out) != kOk) { \< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "preprocessor" > DVLOG(1) < < " Error in stream: invalid value while trying to read " #out; \< / span > < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "preprocessor" > #define IN_RANGE_OR_RETURN(val, min, max) \< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "preprocessor" > if ((val) < (min) || (val) > (max)) { \< / span > < / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "preprocessor" > DVLOG(1) < < " Error in stream: invalid value, expected " #val " to be" \< / span > < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "preprocessor" > < < " in range [" < < (min) < < " :" < < (max) < < " ]" \< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "preprocessor" > < < " found " < < (val) < < " instead" ; \< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "preprocessor" > #define TRUE_OR_RETURN(a) \< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "preprocessor" > if (!(a)) { \< / span > < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "preprocessor" > DVLOG(1) < < " Error in stream: invalid value, expected " < < #a; \< / span > < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "preprocessor" > return kInvalidStream; \< / span > < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "preprocessor" > } \< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keyword" > enum< / span > AspectRatioIdc {< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   kExtendedSar = 255,< / 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 >   < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "comment" > // ISO 14496 part 10< / span > < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "comment" > // VUI parameters: Table E-1 " Meaning of sample aspect ratio indicator" < / span > < / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kTableSarWidth[] = {< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   0, 1, 12, 10, 16, 40, 24, 20, 32, 80, 18, 15, 64, 160, 4, 3, 2< / 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 = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kTableSarHeight[] = {< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   0, 1, 11, 11, 11, 33, 11, 11, 11, 33, 11, 11, 33, 99, 3, 2, 1< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   };< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   COMPILE_ASSERT(arraysize(kTableSarWidth) == arraysize(kTableSarHeight),< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   sar_tables_must_have_same_size);< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   H264Parser::H264Parser() {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   Reset();< / 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 >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   H264Parser::~H264Parser() {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   STLDeleteValues(& active_SPSes_);< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   STLDeleteValues(& active_PPSes_);< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   }< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordtype" > void< / span > H264Parser::Reset() {< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   stream_ = NULL;< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   bytes_left_ = 0;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   }< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "keywordtype" > void< / span > H264Parser::SetStream(< span class = "keyword" > const< / span > uint8_t* stream, off_t stream_size) {< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   DCHECK(stream);< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   DCHECK_GT(stream_size, 0);< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   stream_ = stream;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   bytes_left_ = stream_size;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / 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 >   < span class = "keyword" > const< / span > H264PPS* H264Parser::GetPPS(< span class = "keywordtype" > int< / span > pps_id) {< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > return< / span > active_PPSes_[pps_id];< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   }< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keyword" > const< / span > H264SPS* H264Parser::GetSPS(< span class = "keywordtype" > int< / span > sps_id) {< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > return< / span > active_SPSes_[sps_id];< / 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 >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > bool< / span > IsStartCode(< span class = "keyword" > const< / span > uint8_t* data) {< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > return< / span > data[0] == 0x00 & & data[1] == 0x00 & & data[2] == 0x01;< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   }< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "comment" > // static< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordtype" > bool< / span > H264Parser::FindStartCode(< span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   off_t data_size,< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   off_t* offset,< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   off_t* start_code_size) {< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   DCHECK_GE(data_size, 0);< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   off_t bytes_left = data_size;< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > while< / span > (bytes_left > = 3) {< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > if< / span > (IsStartCode(data)) {< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "comment" > // Found three-byte start code, set pointer at its beginning.< / span > < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   *offset = data_size - bytes_left;< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   *start_code_size = 3;< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "comment" > // If there is a zero byte before this start code,< / span > < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "comment" > // then it' s actually a four-byte start code, so backtrack one byte.< / span > < / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordflow" > if< / span > (*offset > 0 & & *(data - 1) == 0x00) {< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   --(*offset);< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   ++(*start_code_size);< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   }< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   ++data;< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   --bytes_left;< / 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 >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "comment" > // End of data: offset is pointing to the first byte that was not considered< / span > < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // as a possible start of a start code.< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "comment" > // Note: there is no security issue when receiving a negative |data_size|< / span > < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "comment" > // since in this case, |bytes_left| is equal to |data_size| and thus< / span > < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "comment" > // |*offset| is equal to 0 (valid offset).< / span > < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   *offset = data_size - bytes_left;< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   *start_code_size = 0;< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   }< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "keywordtype" > bool< / span > H264Parser::LocateNALU(off_t* nalu_size, off_t* start_code_size) {< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "comment" > // Find the start code of next NALU.< / span > < / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   off_t nalu_start_off = 0;< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   off_t annexb_start_code_size = 0;< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "keywordflow" > if< / span > (!FindStartCode(stream_, bytes_left_,< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   & nalu_start_off, & annexb_start_code_size)) {< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   DVLOG(4) < < < span class = "stringliteral" > " Could not find start code, end of stream?" < / span > ;< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   }< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "comment" > // Move the stream to the beginning of the NALU (pointing at the start code).< / span > < / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   stream_ += nalu_start_off;< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   bytes_left_ -= nalu_start_off;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keyword" > const< / span > uint8_t* nalu_data = stream_ + annexb_start_code_size;< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   off_t max_nalu_data_size = bytes_left_ - annexb_start_code_size;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordflow" > if< / span > (max_nalu_data_size < = 0) {< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   DVLOG(3) < < < span class = "stringliteral" > " End of stream" < / span > ;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   }< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < span class = "comment" > // Find the start code of next NALU;< / span > < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "comment" > // if successful, |nalu_size_without_start_code| is the number of bytes from< / span > < / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < span class = "comment" > // after previous start code to before this one;< / span > < / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   < span class = "comment" > // if next start code is not found, it is still a valid NALU since there< / span > < / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "comment" > // are some bytes left after the first start code: all the remaining bytes< / span > < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "comment" > // belong to the current NALU.< / span > < / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   off_t next_start_code_size = 0;< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   off_t nalu_size_without_start_code = 0;< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "keywordflow" > if< / span > (!FindStartCode(nalu_data, max_nalu_data_size,< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   & nalu_size_without_start_code, & next_start_code_size)) {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   nalu_size_without_start_code = max_nalu_data_size;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   }< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   *nalu_size = nalu_size_without_start_code + annexb_start_code_size;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   *start_code_size = annexb_start_code_size;< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   }< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   H264Parser::Result H264Parser::ReadUE(< span class = "keywordtype" > int< / span > * val) {< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordtype" > int< / span > num_bits = -1;< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keywordtype" > int< / span > bit;< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < span class = "keywordtype" > int< / span > rest;< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "comment" > // Count the number of contiguous zero bits.< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "keywordflow" > do< / span > {< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   READ_BITS_OR_RETURN(1, & bit);< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   num_bits++;< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   } < span class = "keywordflow" > while< / span > (bit == 0);< / 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 >   < span class = "keywordflow" > if< / span > (num_bits > 31)< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "keywordflow" > return< / span > kInvalidStream;< / 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 >   < span class = "comment" > // Calculate exp-Golomb code value of size num_bits.< / span > < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   *val = (1 < < num_bits) - 1;< / 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 >   < span class = "keywordflow" > if< / span > (num_bits > 0) {< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   READ_BITS_OR_RETURN(num_bits, & rest);< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   *val += rest;< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   }< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   }< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   H264Parser::Result H264Parser::ReadSE(< span class = "keywordtype" > int< / span > * val) {< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keywordtype" > int< / span > ue;< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   Result res;< / 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 = "comment" > // See Chapter 9 in the spec.< / span > < / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   res = ReadUE(& ue);< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keywordflow" > return< / span > res;< / 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 > (ue % 2 == 0)< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   *val = -(ue / 2);< / 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 >   *val = ue / 2 + 1;< / 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" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   }< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   H264Parser::Result H264Parser::AdvanceToNextNALU(H264NALU* nalu) {< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   off_t start_code_size;< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   off_t nalu_size_with_start_code;< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "keywordflow" > if< / span > (!LocateNALU(& nalu_size_with_start_code, & start_code_size)) {< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   DVLOG(4) < < < span class = "stringliteral" > " Could not find next NALU, bytes left in stream: " < / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < < bytes_left_;< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keywordflow" > return< / span > kEOStream;< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   }< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   nalu-> data = stream_ + start_code_size;< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   nalu-> size = nalu_size_with_start_code - start_code_size;< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   DVLOG(4) < < < span class = "stringliteral" > " NALU found: size=" < / span > < < nalu_size_with_start_code;< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < span class = "comment" > // Initialize bit reader at the start of found NALU.< / span > < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < span class = "keywordflow" > if< / span > (!br_.Initialize(nalu-> data, nalu-> size))< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "keywordflow" > return< / span > kEOStream;< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "comment" > // Move parser state to after this NALU, so next time AdvanceToNextNALU< / span > < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < span class = "comment" > // is called, we will effectively be skipping it;< / span > < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "comment" > // other parsing functions will use the position saved< / span > < / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "comment" > // in bit reader for parsing, so we don' t have to remember it here.< / span > < / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   stream_ += nalu_size_with_start_code;< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   bytes_left_ -= nalu_size_with_start_code;< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "comment" > // Read NALU header, skip the forbidden_zero_bit, but check for it.< / span > < / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordtype" > int< / span > data;< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   READ_BITS_OR_RETURN(1, & data);< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   TRUE_OR_RETURN(data == 0);< / 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 >   READ_BITS_OR_RETURN(2, & nalu-> nal_ref_idc);< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   READ_BITS_OR_RETURN(5, & nalu-> nal_unit_type);< / 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 >   DVLOG(4) < < < span class = "stringliteral" > " NALU type: " < / span > < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (nalu-> nal_unit_type)< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < < < span class = "stringliteral" > " at: " < / span > < < reinterpret_cast< const void*> (nalu-> data)< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < < < span class = "stringliteral" > " size: " < / span > < < nalu-> size< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < < < span class = "stringliteral" > " ref: " < / span > < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (nalu-> nal_ref_idc);< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / 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 >   < span class = "comment" > // Default scaling lists (per spec).< / span > < / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDefault4x4Intra[kH264ScalingList4x4Length] = {< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   6, 13, 13, 20, 20, 20, 28, 28, 28, 28, 32, 32, 32, 37, 37, 42, };< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDefault4x4Inter[kH264ScalingList4x4Length] = {< / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   10, 14, 14, 20, 20, 20, 24, 24, 24, 24, 27, 27, 27, 30, 30, 34, };< / 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 >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDefault8x8Intra[kH264ScalingList8x8Length] = {< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   6, 10, 10, 13, 11, 13, 16, 16, 16, 16, 18, 18, 18, 18, 18, 23,< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   23, 23, 23, 23, 23, 25, 25, 25, 25, 25, 25, 25, 27, 27, 27, 27,< / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   27, 27, 27, 27, 29, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31,< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   31, 33, 33, 33, 33, 33, 36, 36, 36, 36, 38, 38, 38, 40, 40, 42, };< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kDefault8x8Inter[kH264ScalingList8x8Length] = {< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   9, 13, 13, 15, 13, 15, 17, 17, 17, 17, 19, 19, 19, 19, 19, 21,< / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 24, 24, 24, 24,< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 27, 27, 27, 27, 27,< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   27, 28, 28, 28, 28, 28, 30, 30, 30, 30, 32, 32, 32, 33, 33, 35, };< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > DefaultScalingList4x4(< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "keywordtype" > int< / span > i,< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < span class = "keywordtype" > int< / span > scaling_list4x4[][kH264ScalingList4x4Length]) {< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   DCHECK_LT(i, 6);< / 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 = "keywordflow" > if< / span > (i < 3)< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   memcpy(scaling_list4x4[i], kDefault4x4Intra, < span class = "keyword" > sizeof< / span > (kDefault4x4Intra));< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (i < 6)< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   memcpy(scaling_list4x4[i], kDefault4x4Inter, < span class = "keyword" > sizeof< / span > (kDefault4x4Inter));< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   }< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > DefaultScalingList8x8(< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < span class = "keywordtype" > int< / span > i,< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   < span class = "keywordtype" > int< / span > scaling_list8x8[][kH264ScalingList8x8Length]) {< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   DCHECK_LT(i, 6);< / 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 = "keywordflow" > if< / span > (i % 2 == 0)< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   memcpy(scaling_list8x8[i], kDefault8x8Intra, < span class = "keyword" > sizeof< / span > (kDefault8x8Intra));< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   memcpy(scaling_list8x8[i], kDefault8x8Inter, < span class = "keyword" > sizeof< / span > (kDefault8x8Inter));< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   }< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > FallbackScalingList4x4(< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordtype" > int< / span > i,< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > default_scaling_list_intra[],< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > default_scaling_list_inter[],< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordtype" > int< / span > scaling_list4x4[][kH264ScalingList4x4Length]) {< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kScalingList4x4ByteSize =< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < span class = "keyword" > sizeof< / span > (scaling_list4x4[0][0]) * kH264ScalingList4x4Length;< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < span class = "keywordflow" > switch< / span > (i) {< / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "keywordflow" > case< / span > 0:< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   memcpy(scaling_list4x4[i], default_scaling_list_intra,< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   < span class = "keywordflow" > case< / span > 1:< / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   memcpy(scaling_list4x4[i], scaling_list4x4[0], kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   < / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < span class = "keywordflow" > case< / span > 2:< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   memcpy(scaling_list4x4[i], scaling_list4x4[1], kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   < / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   < span class = "keywordflow" > case< / span > 3:< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   memcpy(scaling_list4x4[i], default_scaling_list_inter,< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   < / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < span class = "keywordflow" > case< / span > 4:< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   memcpy(scaling_list4x4[i], scaling_list4x4[3], kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   < / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < span class = "keywordflow" > case< / span > 5:< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   memcpy(scaling_list4x4[i], scaling_list4x4[4], kScalingList4x4ByteSize);< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   NOTREACHED();< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   }< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   }< / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < / div >
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > FallbackScalingList8x8(< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   < span class = "keywordtype" > int< / span > i,< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > default_scaling_list_intra[],< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > default_scaling_list_inter[],< / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < span class = "keywordtype" > int< / span > scaling_list8x8[][kH264ScalingList8x8Length]) {< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > kScalingList8x8ByteSize =< / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < span class = "keyword" > sizeof< / span > (scaling_list8x8[0][0]) * kH264ScalingList8x8Length;< / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < span class = "keywordflow" > switch< / span > (i) {< / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < span class = "keywordflow" > case< / span > 0:< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   memcpy(scaling_list8x8[i], default_scaling_list_intra,< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keywordflow" > case< / span > 1:< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   memcpy(scaling_list8x8[i], default_scaling_list_inter,< / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   < / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   < span class = "keywordflow" > case< / span > 2:< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   memcpy(scaling_list8x8[i], scaling_list8x8[0], kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   < span class = "keywordflow" > case< / span > 3:< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   memcpy(scaling_list8x8[i], scaling_list8x8[1], kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   < / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   < span class = "keywordflow" > case< / span > 4:< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   memcpy(scaling_list8x8[i], scaling_list8x8[2], kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "keywordflow" > case< / span > 5:< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   memcpy(scaling_list8x8[i], scaling_list8x8[3], kScalingList8x8ByteSize);< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   NOTREACHED();< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   }< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   }< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   H264Parser::Result H264Parser::ParseScalingList(< span class = "keywordtype" > int< / span > size,< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   < span class = "keywordtype" > int< / span > * scaling_list,< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "keywordtype" > bool< / span > * use_default) {< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < span class = "comment" > // See chapter 7.3.2.1.1.1.< / span > < / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < span class = "keywordtype" > int< / span > last_scale = 8;< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < span class = "keywordtype" > int< / span > next_scale = 8;< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   < span class = "keywordtype" > int< / span > delta_scale;< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   < / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   *use_default = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < size; ++j) {< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < span class = "keywordflow" > if< / span > (next_scale != 0) {< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   READ_SE_OR_RETURN(& delta_scale);< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   IN_RANGE_OR_RETURN(delta_scale, -128, 127);< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   next_scale = (last_scale + delta_scale + 256) & 0xff;< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < span class = "keywordflow" > if< / span > (j == 0 & & next_scale == 0) {< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   *use_default = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   }< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   }< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   scaling_list[j] = (next_scale == 0) ? last_scale : next_scale;< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   last_scale = scaling_list[j];< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   }< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   < / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   }< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   H264Parser::Result H264Parser::ParseSPSScalingLists(H264SPS* sps) {< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < span class = "comment" > // See 7.4.2.1.1.< / span > < / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   < span class = "keywordtype" > bool< / span > seq_scaling_list_present_flag;< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < span class = "keywordtype" > bool< / span > use_default;< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   Result res;< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   < / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   < span class = "comment" > // Parse scaling_list4x4.< / span > < / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 6; ++i) {< / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   READ_BOOL_OR_RETURN(& seq_scaling_list_present_flag);< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   < / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   < span class = "keywordflow" > if< / span > (seq_scaling_list_present_flag) {< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   res = ParseScalingList(arraysize(sps-> scaling_list4x4[i]),< / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   sps-> scaling_list4x4[i],< / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   & use_default);< / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   < span class = "keywordflow" > if< / span > (use_default)< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   DefaultScalingList4x4(i, sps-> scaling_list4x4);< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   < / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   FallbackScalingList4x4(< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   i, kDefault4x4Intra, kDefault4x4Inter, sps-> scaling_list4x4);< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   }< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   }< / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   < span class = "comment" > // Parse scaling_list8x8.< / span > < / div >
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < ((sps-> chroma_format_idc != 3) ? 2 : 6); ++i) {< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   READ_BOOL_OR_RETURN(& seq_scaling_list_present_flag);< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   < / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   < span class = "keywordflow" > if< / span > (seq_scaling_list_present_flag) {< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   res = ParseScalingList(arraysize(sps-> scaling_list8x8[i]),< / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   sps-> scaling_list8x8[i],< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   & use_default);< / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   < / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   < span class = "keywordflow" > if< / span > (use_default)< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   DefaultScalingList8x8(i, sps-> scaling_list8x8);< / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   < / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   FallbackScalingList8x8(< / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   i, kDefault8x8Intra, kDefault8x8Inter, sps-> scaling_list8x8);< / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   }< / div >
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   }< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   < / div >
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   }< / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   < / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   H264Parser::Result H264Parser::ParsePPSScalingLists(< span class = "keyword" > const< / span > H264SPS& sps,< / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   H264PPS* pps) {< / div >
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   < span class = "comment" > // See 7.4.2.2.< / span > < / div >
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   < span class = "keywordtype" > bool< / span > pic_scaling_list_present_flag;< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   < span class = "keywordtype" > bool< / span > use_default;< / div >
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   Result res;< / div >
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   < / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 6; ++i) {< / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   READ_BOOL_OR_RETURN(& pic_scaling_list_present_flag);< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   < / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   < span class = "keywordflow" > if< / span > (pic_scaling_list_present_flag) {< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   res = ParseScalingList(arraysize(pps-> scaling_list4x4[i]),< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   pps-> scaling_list4x4[i],< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   & use_default);< / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   < / div >
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   < span class = "keywordflow" > if< / span > (use_default)< / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   DefaultScalingList4x4(i, pps-> scaling_list4x4);< / div >
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   < / div >
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   < span class = "keywordflow" > if< / span > (sps.seq_scaling_matrix_present_flag) {< / div >
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   < span class = "comment" > // Table 7-2 fallback rule A in spec.< / span > < / div >
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   FallbackScalingList4x4(< / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   i, kDefault4x4Intra, kDefault4x4Inter, pps-> scaling_list4x4);< / div >
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   < span class = "comment" > // Table 7-2 fallback rule B in spec.< / span > < / div >
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   FallbackScalingList4x4(i,< / div >
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   sps.scaling_list4x4[0],< / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   sps.scaling_list4x4[3],< / div >
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   pps-> scaling_list4x4);< / div >
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   }< / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   }< / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   }< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < / div >
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   < span class = "keywordflow" > if< / span > (pps-> transform_8x8_mode_flag) {< / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < ((sps.chroma_format_idc != 3) ? 2 : 6); ++i) {< / div >
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   READ_BOOL_OR_RETURN(& pic_scaling_list_present_flag);< / div >
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   < / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   < span class = "keywordflow" > if< / span > (pic_scaling_list_present_flag) {< / div >
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   res = ParseScalingList(arraysize(pps-> scaling_list8x8[i]),< / div >
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   pps-> scaling_list8x8[i],< / div >
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   & use_default);< / div >
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   < / div >
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   < span class = "keywordflow" > if< / span > (use_default)< / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   DefaultScalingList8x8(i, pps-> scaling_list8x8);< / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   < / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   < span class = "keywordflow" > if< / span > (sps.seq_scaling_matrix_present_flag) {< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   < span class = "comment" > // Table 7-2 fallback rule A in spec.< / span > < / div >
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   FallbackScalingList8x8(< / div >
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   i, kDefault8x8Intra, kDefault8x8Inter, pps-> scaling_list8x8);< / div >
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / span >   < span class = "comment" > // Table 7-2 fallback rule B in spec.< / span > < / div >
< div class = "line" > < a name = "l00711" > < / a > < span class = "lineno" > 711< / span >   FallbackScalingList8x8(i,< / div >
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   sps.scaling_list8x8[0],< / div >
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   sps.scaling_list8x8[1],< / div >
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   pps-> scaling_list8x8);< / div >
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   }< / div >
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   }< / div >
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   }< / div >
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   }< / div >
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   }< / div >
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   < / div >
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   H264Parser::Result H264Parser::ParseAndIgnoreHRDParameters(< / div >
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   < span class = "keywordtype" > bool< / span > * hrd_parameters_present) {< / div >
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < span class = "keywordtype" > int< / span > data;< / div >
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // {nal,vcl}_hrd_parameters_present_flag< / span > < / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   < span class = "keywordflow" > if< / span > (!data)< / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   < / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   *hrd_parameters_present = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   < / div >
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   < span class = "keywordtype" > int< / span > cpb_cnt_minus1;< / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   READ_UE_OR_RETURN(& cpb_cnt_minus1);< / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   IN_RANGE_OR_RETURN(cpb_cnt_minus1, 0, 31);< / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   READ_BITS_OR_RETURN(8, & data); < span class = "comment" > // bit_rate_scale, cpb_size_scale< / span > < / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < = cpb_cnt_minus1; ++i) {< / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // bit_rate_value_minus1[i]< / span > < / div >
< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // cpb_size_value_minus1[i]< / span > < / div >
< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // cbr_flag< / span > < / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   }< / div >
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   READ_BITS_OR_RETURN(20, & data); < span class = "comment" > // cpb/dpb delays, etc.< / span > < / div >
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > 741< / span >   < / div >
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   }< / div >
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   < / div >
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   H264Parser::Result H264Parser::ParseVUIParameters(H264SPS* sps) {< / div >
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   < span class = "keywordtype" > bool< / span > aspect_ratio_info_present_flag;< / div >
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   READ_BOOL_OR_RETURN(& aspect_ratio_info_present_flag);< / div >
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   < span class = "keywordflow" > if< / span > (aspect_ratio_info_present_flag) {< / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   < span class = "keywordtype" > int< / span > aspect_ratio_idc;< / div >
< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   READ_BITS_OR_RETURN(8, & aspect_ratio_idc);< / div >
< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   < span class = "keywordflow" > if< / span > (aspect_ratio_idc == kExtendedSar) {< / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   READ_BITS_OR_RETURN(16, & sps-> sar_width);< / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   READ_BITS_OR_RETURN(16, & sps-> sar_height);< / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > max_aspect_ratio_idc = arraysize(kTableSarWidth) - 1;< / div >
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   IN_RANGE_OR_RETURN(aspect_ratio_idc, 0, max_aspect_ratio_idc);< / div >
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   sps-> sar_width = kTableSarWidth[aspect_ratio_idc];< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   sps-> sar_height = kTableSarHeight[aspect_ratio_idc];< / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   }< / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   }< / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   < / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   < span class = "keywordtype" > int< / span > data;< / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "comment" > // Read and ignore overscan and video signal type info.< / span > < / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // overscan_info_present_flag< / span > < / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   < span class = "keywordflow" > if< / span > (data)< / div >
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // overscan_appropriate_flag< / span > < / div >
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   < / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // video_signal_type_present_flag< / span > < / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   < span class = "keywordflow" > if< / span > (data) {< / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   READ_BITS_OR_RETURN(3, & data); < span class = "comment" > // video_format< / span > < / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // video_full_range_flag< / span > < / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // colour_description_present_flag< / span > < / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   < span class = "keywordflow" > if< / span > (data)< / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   READ_BITS_OR_RETURN(24, & data); < span class = "comment" > // color description syntax elements< / span > < / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   }< / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   < / div >
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // chroma_loc_info_present_flag< / span > < / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   < span class = "keywordflow" > if< / span > (data) {< / div >
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // chroma_sample_loc_type_top_field< / span > < / div >
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // chroma_sample_loc_type_bottom_field< / span > < / div >
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   }< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   < / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   < span class = "comment" > // Read and ignore timing info.< / span > < / div >
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // timing_info_present_flag< / span > < / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   < span class = "keywordflow" > if< / span > (data) {< / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   READ_BITS_OR_RETURN(16, & data); < span class = "comment" > // num_units_in_tick< / span > < / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   READ_BITS_OR_RETURN(16, & data); < span class = "comment" > // num_units_in_tick< / span > < / div >
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   READ_BITS_OR_RETURN(16, & data); < span class = "comment" > // time_scale< / span > < / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   READ_BITS_OR_RETURN(16, & data); < span class = "comment" > // time_scale< / span > < / div >
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // fixed_frame_rate_flag< / span > < / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   }< / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   < / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   < span class = "comment" > // Read and ignore NAL HRD parameters, if present.< / span > < / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   < span class = "keywordtype" > bool< / span > hrd_parameters_present = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   Result res = ParseAndIgnoreHRDParameters(& hrd_parameters_present);< / div >
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   < / div >
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   < span class = "comment" > // Read and ignore VCL HRD parameters, if present.< / span > < / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   res = ParseAndIgnoreHRDParameters(& hrd_parameters_present);< / div >
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   < / div >
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   < span class = "keywordflow" > if< / span > (hrd_parameters_present) < span class = "comment" > // One of NAL or VCL params present is enough.< / span > < / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // low_delay_hrd_flag< / span > < / div >
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   < / div >
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // pic_struct_present_flag< / span > < / div >
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   READ_BOOL_OR_RETURN(& sps-> bitstream_restriction_flag);< / div >
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   < span class = "keywordflow" > if< / span > (sps-> bitstream_restriction_flag) {< / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   READ_BOOL_OR_RETURN(& data); < span class = "comment" > // motion_vectors_over_pic_boundaries_flag< / span > < / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // max_bytes_per_pic_denom< / span > < / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // max_bits_per_mb_denom< / span > < / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // log2_max_mv_length_horizontal< / span > < / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   READ_UE_OR_RETURN(& data); < span class = "comment" > // log2_max_mv_length_vertical< / span > < / div >
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   READ_UE_OR_RETURN(& sps-> max_num_reorder_frames);< / div >
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   READ_UE_OR_RETURN(& sps-> max_dec_frame_buffering);< / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   TRUE_OR_RETURN(sps-> max_dec_frame_buffering > = sps-> max_num_ref_frames);< / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   IN_RANGE_OR_RETURN(< / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   sps-> max_num_reorder_frames, 0, sps-> max_dec_frame_buffering);< / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   }< / div >
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   < / div >
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   }< / div >
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   < / div >
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > FillDefaultSeqScalingLists(H264SPS* sps) {< / div >
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 6; ++i)< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < kH264ScalingList4x4Length; ++j)< / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   sps-> scaling_list4x4[i][j] = 16;< / div >
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   < / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   for (< span class = "keywordtype" > int< / span > i = 0; i < 6; ++i)< / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < kH264ScalingList8x8Length; ++j)< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   sps-> scaling_list8x8[i][j] = 16;< / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   }< / div >
< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   < / div >
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   H264Parser::Result H264Parser::ParseSPS(< span class = "keywordtype" > int< / span > * sps_id) {< / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   < span class = "comment" > // See 7.4.2.1.< / span > < / div >
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   < span class = "keywordtype" > int< / span > data;< / div >
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   Result res;< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   < / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   *sps_id = -1;< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   < / div >
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   scoped_ptr< H264SPS> sps(< span class = "keyword" > new< / span > H264SPS());< / div >
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   < / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   READ_BITS_OR_RETURN(8, & sps-> profile_idc);< / div >
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > 845< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set0_flag);< / div >
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set1_flag);< / div >
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set2_flag);< / div >
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set3_flag);< / div >
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set4_flag);< / div >
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   READ_BOOL_OR_RETURN(& sps-> constraint_set5_flag);< / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   READ_BITS_OR_RETURN(2, & data); < span class = "comment" > // reserved_zero_2bits< / span > < / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   READ_BITS_OR_RETURN(8, & sps-> level_idc);< / div >
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   READ_UE_OR_RETURN(& sps-> seq_parameter_set_id);< / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   TRUE_OR_RETURN(sps-> seq_parameter_set_id < 32);< / div >
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   < / div >
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   < span class = "keywordflow" > if< / span > (sps-> profile_idc == 100 || sps-> profile_idc == 110 ||< / div >
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   sps-> profile_idc == 122 || sps-> profile_idc == 244 ||< / div >
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   sps-> profile_idc == 44 || sps-> profile_idc == 83 ||< / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   sps-> profile_idc == 86 || sps-> profile_idc == 118 ||< / div >
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   sps-> profile_idc == 128) {< / div >
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   READ_UE_OR_RETURN(& sps-> chroma_format_idc);< / div >
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   TRUE_OR_RETURN(sps-> chroma_format_idc < 4);< / div >
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   < / div >
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   < span class = "keywordflow" > if< / span > (sps-> chroma_format_idc == 3)< / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   READ_BOOL_OR_RETURN(& sps-> separate_colour_plane_flag);< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   < / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   READ_UE_OR_RETURN(& sps-> bit_depth_luma_minus8);< / div >
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   TRUE_OR_RETURN(sps-> bit_depth_luma_minus8 < 7);< / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   < / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   READ_UE_OR_RETURN(& sps-> bit_depth_chroma_minus8);< / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   TRUE_OR_RETURN(sps-> bit_depth_chroma_minus8 < 7);< / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   < / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   READ_BOOL_OR_RETURN(& sps-> qpprime_y_zero_transform_bypass_flag);< / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   READ_BOOL_OR_RETURN(& sps-> seq_scaling_matrix_present_flag);< / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   < / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   < span class = "keywordflow" > if< / span > (sps-> seq_scaling_matrix_present_flag) {< / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   DVLOG(4) < < < span class = "stringliteral" > " Scaling matrix present" < / span > ;< / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   res = ParseSPSScalingLists(sps.get());< / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00881" > < / a > < span class = "lineno" > 881< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   FillDefaultSeqScalingLists(sps.get());< / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   }< / div >
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   sps-> chroma_format_idc = 1;< / div >
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   FillDefaultSeqScalingLists(sps.get());< / div >
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   }< / div >
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   < / div >
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   < span class = "keywordflow" > if< / span > (sps-> separate_colour_plane_flag)< / div >
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   sps-> chroma_array_type = 0;< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > 892< / span >   sps-> chroma_array_type = sps-> chroma_format_idc;< / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   < / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   READ_UE_OR_RETURN(& sps-> log2_max_frame_num_minus4);< / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   TRUE_OR_RETURN(sps-> log2_max_frame_num_minus4 < 13);< / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   READ_UE_OR_RETURN(& sps-> pic_order_cnt_type);< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   TRUE_OR_RETURN(sps-> pic_order_cnt_type < 3);< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   < / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   sps-> expected_delta_per_pic_order_cnt_cycle = 0;< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   < span class = "keywordflow" > if< / span > (sps-> pic_order_cnt_type == 0) {< / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   READ_UE_OR_RETURN(& sps-> log2_max_pic_order_cnt_lsb_minus4);< / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   TRUE_OR_RETURN(sps-> log2_max_pic_order_cnt_lsb_minus4 < 13);< / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (sps-> pic_order_cnt_type == 1) {< / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   READ_BOOL_OR_RETURN(& sps-> delta_pic_order_always_zero_flag);< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   READ_SE_OR_RETURN(& sps-> offset_for_non_ref_pic);< / div >
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   READ_SE_OR_RETURN(& sps-> offset_for_top_to_bottom_field);< / div >
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   READ_UE_OR_RETURN(& sps-> num_ref_frames_in_pic_order_cnt_cycle);< / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   TRUE_OR_RETURN(sps-> num_ref_frames_in_pic_order_cnt_cycle < 255);< / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > 910< / span >   < / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < sps-> num_ref_frames_in_pic_order_cnt_cycle; ++i) {< / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   READ_SE_OR_RETURN(& sps-> offset_for_ref_frame[i]);< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   sps-> expected_delta_per_pic_order_cnt_cycle +=< / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   sps-> offset_for_ref_frame[i];< / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   }< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   }< / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   < / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   READ_UE_OR_RETURN(& sps-> max_num_ref_frames);< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   READ_BOOL_OR_RETURN(& sps-> gaps_in_frame_num_value_allowed_flag);< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   < / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   < span class = "keywordflow" > if< / span > (sps-> gaps_in_frame_num_value_allowed_flag)< / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   < / div >
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   READ_UE_OR_RETURN(& sps-> pic_width_in_mbs_minus1);< / div >
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   READ_UE_OR_RETURN(& sps-> pic_height_in_map_units_minus1);< / div >
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   < / div >
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > 927< / span >   READ_BOOL_OR_RETURN(& sps-> frame_mbs_only_flag);< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   < span class = "keywordflow" > if< / span > (!sps-> frame_mbs_only_flag)< / div >
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   READ_BOOL_OR_RETURN(& sps-> mb_adaptive_frame_field_flag);< / div >
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   < / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   READ_BOOL_OR_RETURN(& sps-> direct_8x8_inference_flag);< / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   < / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   READ_BOOL_OR_RETURN(& sps-> frame_cropping_flag);< / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   < span class = "keywordflow" > if< / span > (sps-> frame_cropping_flag) {< / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   READ_UE_OR_RETURN(& sps-> frame_crop_left_offset);< / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   READ_UE_OR_RETURN(& sps-> frame_crop_right_offset);< / div >
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   READ_UE_OR_RETURN(& sps-> frame_crop_top_offset);< / div >
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   READ_UE_OR_RETURN(& sps-> frame_crop_bottom_offset);< / div >
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   }< / div >
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / span >   READ_BOOL_OR_RETURN(& sps-> vui_parameters_present_flag);< / div >
< div class = "line" > < a name = "l00942" > < / a > < span class = "lineno" > 942< / span >   < span class = "keywordflow" > if< / span > (sps-> vui_parameters_present_flag) {< / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   DVLOG(4) < < < span class = "stringliteral" > " VUI parameters present" < / span > ;< / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   res = ParseVUIParameters(sps.get());< / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   }< / div >
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   < / div >
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   < span class = "comment" > // If an SPS with the same id already exists, replace it.< / span > < / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   *sps_id = sps-> seq_parameter_set_id;< / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   < span class = "keyword" > delete< / span > active_SPSes_[*sps_id];< / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   active_SPSes_[*sps_id] = sps.release();< / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   < / div >
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   }< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   < / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   H264Parser::Result H264Parser::ParsePPS(< span class = "keywordtype" > int< / span > * pps_id) {< / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   < span class = "comment" > // See 7.4.2.2.< / span > < / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   < span class = "keyword" > const< / span > H264SPS* sps;< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   Result res;< / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   < / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   *pps_id = -1;< / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   < / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   scoped_ptr< H264PPS> pps(< span class = "keyword" > new< / span > H264PPS());< / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   < / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   READ_UE_OR_RETURN(& pps-> pic_parameter_set_id);< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   READ_UE_OR_RETURN(& pps-> seq_parameter_set_id);< / div >
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   TRUE_OR_RETURN(pps-> seq_parameter_set_id < 32);< / div >
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   < / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   sps = GetSPS(pps-> seq_parameter_set_id);< / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   TRUE_OR_RETURN(sps);< / div >
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   < / div >
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   READ_BOOL_OR_RETURN(& pps-> entropy_coding_mode_flag);< / div >
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   READ_BOOL_OR_RETURN(& pps-> bottom_field_pic_order_in_frame_present_flag);< / div >
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   < / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   READ_UE_OR_RETURN(& pps-> num_slice_groups_minus1);< / div >
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   < span class = "keywordflow" > if< / span > (pps-> num_slice_groups_minus1 > 1) {< / div >
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   DVLOG(1) < < < span class = "stringliteral" > " Slice groups not supported" < / span > ;< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   }< / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   < / div >
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   READ_UE_OR_RETURN(& pps-> num_ref_idx_l0_default_active_minus1);< / div >
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   TRUE_OR_RETURN(pps-> num_ref_idx_l0_default_active_minus1 < 32);< / div >
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   < / div >
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   READ_UE_OR_RETURN(& pps-> num_ref_idx_l1_default_active_minus1);< / div >
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   TRUE_OR_RETURN(pps-> num_ref_idx_l1_default_active_minus1 < 32);< / div >
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   < / div >
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   READ_BOOL_OR_RETURN(& pps-> weighted_pred_flag);< / div >
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   READ_BITS_OR_RETURN(2, & pps-> weighted_bipred_idc);< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   TRUE_OR_RETURN(pps-> weighted_bipred_idc < 3);< / div >
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   < / div >
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   READ_SE_OR_RETURN(& pps-> pic_init_qp_minus26);< / div >
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   IN_RANGE_OR_RETURN(pps-> pic_init_qp_minus26, -26, 25);< / div >
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   < / div >
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   READ_SE_OR_RETURN(& pps-> pic_init_qs_minus26);< / div >
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   IN_RANGE_OR_RETURN(pps-> pic_init_qs_minus26, -26, 25);< / div >
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   < / div >
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   READ_SE_OR_RETURN(& pps-> chroma_qp_index_offset);< / div >
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   IN_RANGE_OR_RETURN(pps-> chroma_qp_index_offset, -12, 12);< / div >
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   pps-> second_chroma_qp_index_offset = pps-> chroma_qp_index_offset;< / div >
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   < / div >
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   READ_BOOL_OR_RETURN(& pps-> deblocking_filter_control_present_flag);< / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   READ_BOOL_OR_RETURN(& pps-> constrained_intra_pred_flag);< / div >
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   READ_BOOL_OR_RETURN(& pps-> redundant_pic_cnt_present_flag);< / div >
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   < / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < span class = "keywordflow" > if< / span > (br_.HasMoreRBSPData()) {< / div >
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   READ_BOOL_OR_RETURN(& pps-> transform_8x8_mode_flag);< / div >
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   READ_BOOL_OR_RETURN(& pps-> pic_scaling_matrix_present_flag);< / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   < / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   < span class = "keywordflow" > if< / span > (pps-> pic_scaling_matrix_present_flag) {< / div >
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   DVLOG(4) < < < span class = "stringliteral" > " Picture scaling matrix present" < / span > ;< / div >
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   res = ParsePPSScalingLists(*sps, pps.get());< / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   }< / div >
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   < / div >
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   READ_SE_OR_RETURN(& pps-> second_chroma_qp_index_offset);< / div >
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   }< / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   < / div >
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   < span class = "comment" > // If a PPS with the same id already exists, replace it.< / span > < / div >
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   *pps_id = pps-> pic_parameter_set_id;< / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   < span class = "keyword" > delete< / span > active_PPSes_[*pps_id];< / div >
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   active_PPSes_[*pps_id] = pps.release();< / div >
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   < / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   }< / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   < / div >
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   H264Parser::Result H264Parser::ParseSPSFromArray(< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   < span class = "keyword" > const< / span > uint8_t* sps_data,< / div >
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   < span class = "keywordtype" > size_t< / span > sps_data_length,< / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   < span class = "keywordtype" > int< / span > * sps_id) {< / div >
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   br_.Initialize(sps_data, sps_data_length);< / div >
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   < / div >
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   < span class = "keywordtype" > int< / span > data;< / div >
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / span >   READ_BITS_OR_RETURN(1, & data);< / div >
< div class = "line" > < a name = "l01036" > < / a > < span class = "lineno" > 1036< / span >   < span class = "comment" > // First bit must be 0.< / span > < / div >
< div class = "line" > < a name = "l01037" > < / a > < span class = "lineno" > 1037< / span >   TRUE_OR_RETURN(data == 0);< / div >
< div class = "line" > < a name = "l01038" > < / a > < span class = "lineno" > 1038< / span >   < span class = "keywordtype" > int< / span > nal_ref_idc;< / div >
< div class = "line" > < a name = "l01039" > < / a > < span class = "lineno" > 1039< / span >   READ_BITS_OR_RETURN(2, & nal_ref_idc);< / div >
< div class = "line" > < a name = "l01040" > < / a > < span class = "lineno" > 1040< / span >   < span class = "comment" > // From the spec " nal_ref_idc shall not be equal to 0 for sequence parameter< / span > < / div >
< div class = "line" > < a name = "l01041" > < / a > < span class = "lineno" > 1041< / span >   < span class = "comment" > // set" .< / span > < / div >
< div class = "line" > < a name = "l01042" > < / a > < span class = "lineno" > 1042< / span >   TRUE_OR_RETURN(nal_ref_idc != 0);< / div >
< div class = "line" > < a name = "l01043" > < / a > < span class = "lineno" > 1043< / span >   < span class = "keywordtype" > int< / span > nal_unit_type;< / div >
< div class = "line" > < a name = "l01044" > < / a > < span class = "lineno" > 1044< / span >   READ_BITS_OR_RETURN(5, & nal_unit_type);< / div >
< div class = "line" > < a name = "l01045" > < / a > < span class = "lineno" > 1045< / span >   TRUE_OR_RETURN(nal_unit_type == H264NALU::kSPS);< / div >
< div class = "line" > < a name = "l01046" > < / a > < span class = "lineno" > 1046< / span >   < / div >
< div class = "line" > < a name = "l01047" > < / a > < span class = "lineno" > 1047< / span >   < span class = "keywordflow" > return< / span > ParseSPS(sps_id);< / div >
< div class = "line" > < a name = "l01048" > < / a > < span class = "lineno" > 1048< / span >   }< / div >
< div class = "line" > < a name = "l01049" > < / a > < span class = "lineno" > 1049< / span >   < / div >
< div class = "line" > < a name = "l01050" > < / a > < span class = "lineno" > 1050< / span >   H264Parser::Result H264Parser::ParseRefPicListModification(< / div >
< div class = "line" > < a name = "l01051" > < / a > < span class = "lineno" > 1051< / span >   < span class = "keywordtype" > int< / span > num_ref_idx_active_minus1,< / div >
< div class = "line" > < a name = "l01052" > < / a > < span class = "lineno" > 1052< / span >   H264ModificationOfPicNum* ref_list_mods) {< / div >
< div class = "line" > < a name = "l01053" > < / a > < span class = "lineno" > 1053< / span >   H264ModificationOfPicNum* pic_num_mod;< / div >
< div class = "line" > < a name = "l01054" > < / a > < span class = "lineno" > 1054< / span >   < / div >
< div class = "line" > < a name = "l01055" > < / a > < span class = "lineno" > 1055< / span >   < span class = "keywordflow" > if< / span > (num_ref_idx_active_minus1 > = 32)< / div >
< div class = "line" > < a name = "l01056" > < / a > < span class = "lineno" > 1056< / span >   < span class = "keywordflow" > return< / span > kInvalidStream;< / div >
< div class = "line" > < a name = "l01057" > < / a > < span class = "lineno" > 1057< / span >   < / div >
< div class = "line" > < a name = "l01058" > < / a > < span class = "lineno" > 1058< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < 32; ++i) {< / div >
< div class = "line" > < a name = "l01059" > < / a > < span class = "lineno" > 1059< / span >   pic_num_mod = & ref_list_mods[i];< / div >
< div class = "line" > < a name = "l01060" > < / a > < span class = "lineno" > 1060< / span >   READ_UE_OR_RETURN(& pic_num_mod-> modification_of_pic_nums_idc);< / div >
< div class = "line" > < a name = "l01061" > < / a > < span class = "lineno" > 1061< / span >   TRUE_OR_RETURN(pic_num_mod-> modification_of_pic_nums_idc < 4);< / div >
< div class = "line" > < a name = "l01062" > < / a > < span class = "lineno" > 1062< / span >   < / div >
< div class = "line" > < a name = "l01063" > < / a > < span class = "lineno" > 1063< / span >   < span class = "keywordflow" > switch< / span > (pic_num_mod-> modification_of_pic_nums_idc) {< / div >
< div class = "line" > < a name = "l01064" > < / a > < span class = "lineno" > 1064< / span >   < span class = "keywordflow" > case< / span > 0:< / div >
< div class = "line" > < a name = "l01065" > < / a > < span class = "lineno" > 1065< / span >   < span class = "keywordflow" > case< / span > 1:< / div >
< div class = "line" > < a name = "l01066" > < / a > < span class = "lineno" > 1066< / span >   READ_UE_OR_RETURN(& pic_num_mod-> abs_diff_pic_num_minus1);< / div >
< div class = "line" > < a name = "l01067" > < / a > < span class = "lineno" > 1067< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01068" > < / a > < span class = "lineno" > 1068< / span >   < / div >
< div class = "line" > < a name = "l01069" > < / a > < span class = "lineno" > 1069< / span >   < span class = "keywordflow" > case< / span > 2:< / div >
< div class = "line" > < a name = "l01070" > < / a > < span class = "lineno" > 1070< / span >   READ_UE_OR_RETURN(& pic_num_mod-> long_term_pic_num);< / div >
< div class = "line" > < a name = "l01071" > < / a > < span class = "lineno" > 1071< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01072" > < / a > < span class = "lineno" > 1072< / span >   < / div >
< div class = "line" > < a name = "l01073" > < / a > < span class = "lineno" > 1073< / span >   < span class = "keywordflow" > case< / span > 3:< / div >
< div class = "line" > < a name = "l01074" > < / a > < span class = "lineno" > 1074< / span >   < span class = "comment" > // Per spec, list cannot be empty.< / span > < / div >
< div class = "line" > < a name = "l01075" > < / a > < span class = "lineno" > 1075< / span >   < span class = "keywordflow" > if< / span > (i == 0)< / div >
< div class = "line" > < a name = "l01076" > < / a > < span class = "lineno" > 1076< / span >   < span class = "keywordflow" > return< / span > kInvalidStream;< / div >
< div class = "line" > < a name = "l01077" > < / a > < span class = "lineno" > 1077< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01078" > < / a > < span class = "lineno" > 1078< / span >   < / div >
< div class = "line" > < a name = "l01079" > < / a > < span class = "lineno" > 1079< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l01080" > < / a > < span class = "lineno" > 1080< / span >   < span class = "keywordflow" > return< / span > kInvalidStream;< / div >
< div class = "line" > < a name = "l01081" > < / a > < span class = "lineno" > 1081< / span >   }< / div >
< div class = "line" > < a name = "l01082" > < / a > < span class = "lineno" > 1082< / span >   }< / div >
< div class = "line" > < a name = "l01083" > < / a > < span class = "lineno" > 1083< / span >   < / div >
< div class = "line" > < a name = "l01084" > < / a > < span class = "lineno" > 1084< / span >   < span class = "comment" > // If we got here, we didn' t get loop end marker prematurely,< / span > < / div >
< div class = "line" > < a name = "l01085" > < / a > < span class = "lineno" > 1085< / span >   < span class = "comment" > // so make sure it is there for our client.< / span > < / div >
< div class = "line" > < a name = "l01086" > < / a > < span class = "lineno" > 1086< / span >   < span class = "keywordtype" > int< / span > modification_of_pic_nums_idc;< / div >
< div class = "line" > < a name = "l01087" > < / a > < span class = "lineno" > 1087< / span >   READ_UE_OR_RETURN(& modification_of_pic_nums_idc);< / div >
< div class = "line" > < a name = "l01088" > < / a > < span class = "lineno" > 1088< / span >   TRUE_OR_RETURN(modification_of_pic_nums_idc == 3);< / div >
< div class = "line" > < a name = "l01089" > < / a > < span class = "lineno" > 1089< / span >   < / div >
< div class = "line" > < a name = "l01090" > < / a > < span class = "lineno" > 1090< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01091" > < / a > < span class = "lineno" > 1091< / span >   }< / div >
< div class = "line" > < a name = "l01092" > < / a > < span class = "lineno" > 1092< / span >   < / div >
< div class = "line" > < a name = "l01093" > < / a > < span class = "lineno" > 1093< / span >   H264Parser::Result H264Parser::ParseRefPicListModifications(< / div >
< div class = "line" > < a name = "l01094" > < / a > < span class = "lineno" > 1094< / span >   H264SliceHeader* shdr) {< / div >
< div class = "line" > < a name = "l01095" > < / a > < span class = "lineno" > 1095< / span >   Result res;< / div >
< div class = "line" > < a name = "l01096" > < / a > < span class = "lineno" > 1096< / span >   < / div >
< div class = "line" > < a name = "l01097" > < / a > < span class = "lineno" > 1097< / span >   < span class = "keywordflow" > if< / span > (!shdr-> IsISlice() & & !shdr-> IsSISlice()) {< / div >
< div class = "line" > < a name = "l01098" > < / a > < span class = "lineno" > 1098< / span >   READ_BOOL_OR_RETURN(& shdr-> ref_pic_list_modification_flag_l0);< / div >
< div class = "line" > < a name = "l01099" > < / a > < span class = "lineno" > 1099< / span >   < span class = "keywordflow" > if< / span > (shdr-> ref_pic_list_modification_flag_l0) {< / div >
< div class = "line" > < a name = "l01100" > < / a > < span class = "lineno" > 1100< / span >   res = ParseRefPicListModification(shdr-> num_ref_idx_l0_active_minus1,< / div >
< div class = "line" > < a name = "l01101" > < / a > < span class = "lineno" > 1101< / span >   shdr-> ref_list_l0_modifications);< / div >
< div class = "line" > < a name = "l01102" > < / a > < span class = "lineno" > 1102< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01103" > < / a > < span class = "lineno" > 1103< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01104" > < / a > < span class = "lineno" > 1104< / span >   }< / div >
< div class = "line" > < a name = "l01105" > < / a > < span class = "lineno" > 1105< / span >   }< / div >
< div class = "line" > < a name = "l01106" > < / a > < span class = "lineno" > 1106< / span >   < / div >
< div class = "line" > < a name = "l01107" > < / a > < span class = "lineno" > 1107< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsBSlice()) {< / div >
< div class = "line" > < a name = "l01108" > < / a > < span class = "lineno" > 1108< / span >   READ_BOOL_OR_RETURN(& shdr-> ref_pic_list_modification_flag_l1);< / div >
< div class = "line" > < a name = "l01109" > < / a > < span class = "lineno" > 1109< / span >   < span class = "keywordflow" > if< / span > (shdr-> ref_pic_list_modification_flag_l1) {< / div >
< div class = "line" > < a name = "l01110" > < / a > < span class = "lineno" > 1110< / span >   res = ParseRefPicListModification(shdr-> num_ref_idx_l1_active_minus1,< / div >
< div class = "line" > < a name = "l01111" > < / a > < span class = "lineno" > 1111< / span >   shdr-> ref_list_l1_modifications);< / div >
< div class = "line" > < a name = "l01112" > < / a > < span class = "lineno" > 1112< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01113" > < / a > < span class = "lineno" > 1113< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01114" > < / a > < span class = "lineno" > 1114< / span >   }< / div >
< div class = "line" > < a name = "l01115" > < / a > < span class = "lineno" > 1115< / span >   }< / div >
< div class = "line" > < a name = "l01116" > < / a > < span class = "lineno" > 1116< / span >   < / div >
< div class = "line" > < a name = "l01117" > < / a > < span class = "lineno" > 1117< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01118" > < / a > < span class = "lineno" > 1118< / span >   }< / div >
< div class = "line" > < a name = "l01119" > < / a > < span class = "lineno" > 1119< / span >   < / div >
< div class = "line" > < a name = "l01120" > < / a > < span class = "lineno" > 1120< / span >   H264Parser::Result H264Parser::ParseWeightingFactors(< / div >
< div class = "line" > < a name = "l01121" > < / a > < span class = "lineno" > 1121< / span >   < span class = "keywordtype" > int< / span > num_ref_idx_active_minus1,< / div >
< div class = "line" > < a name = "l01122" > < / a > < span class = "lineno" > 1122< / span >   < span class = "keywordtype" > int< / span > chroma_array_type,< / div >
< div class = "line" > < a name = "l01123" > < / a > < span class = "lineno" > 1123< / span >   < span class = "keywordtype" > int< / span > luma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01124" > < / a > < span class = "lineno" > 1124< / span >   < span class = "keywordtype" > int< / span > chroma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01125" > < / a > < span class = "lineno" > 1125< / span >   H264WeightingFactors* w_facts) {< / div >
< div class = "line" > < a name = "l01126" > < / a > < span class = "lineno" > 1126< / span >   < / div >
< div class = "line" > < a name = "l01127" > < / a > < span class = "lineno" > 1127< / span >   < span class = "keywordtype" > int< / span > def_luma_weight = 1 < < luma_log2_weight_denom;< / div >
< div class = "line" > < a name = "l01128" > < / a > < span class = "lineno" > 1128< / span >   < span class = "keywordtype" > int< / span > def_chroma_weight = 1 < < chroma_log2_weight_denom;< / div >
< div class = "line" > < a name = "l01129" > < / a > < span class = "lineno" > 1129< / span >   < / div >
< div class = "line" > < a name = "l01130" > < / a > < span class = "lineno" > 1130< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_ref_idx_active_minus1 + 1; ++i) {< / div >
< div class = "line" > < a name = "l01131" > < / a > < span class = "lineno" > 1131< / span >   READ_BOOL_OR_RETURN(& w_facts-> luma_weight_flag);< / div >
< div class = "line" > < a name = "l01132" > < / a > < span class = "lineno" > 1132< / span >   < span class = "keywordflow" > if< / span > (w_facts-> luma_weight_flag) {< / div >
< div class = "line" > < a name = "l01133" > < / a > < span class = "lineno" > 1133< / span >   READ_SE_OR_RETURN(& w_facts-> luma_weight[i]);< / div >
< div class = "line" > < a name = "l01134" > < / a > < span class = "lineno" > 1134< / span >   IN_RANGE_OR_RETURN(w_facts-> luma_weight[i], -128, 127);< / div >
< div class = "line" > < a name = "l01135" > < / a > < span class = "lineno" > 1135< / span >   < / div >
< div class = "line" > < a name = "l01136" > < / a > < span class = "lineno" > 1136< / span >   READ_SE_OR_RETURN(& w_facts-> luma_offset[i]);< / div >
< div class = "line" > < a name = "l01137" > < / a > < span class = "lineno" > 1137< / span >   IN_RANGE_OR_RETURN(w_facts-> luma_offset[i], -128, 127);< / div >
< div class = "line" > < a name = "l01138" > < / a > < span class = "lineno" > 1138< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01139" > < / a > < span class = "lineno" > 1139< / span >   w_facts-> luma_weight[i] = def_luma_weight;< / div >
< div class = "line" > < a name = "l01140" > < / a > < span class = "lineno" > 1140< / span >   w_facts-> luma_offset[i] = 0;< / div >
< div class = "line" > < a name = "l01141" > < / a > < span class = "lineno" > 1141< / span >   }< / div >
< div class = "line" > < a name = "l01142" > < / a > < span class = "lineno" > 1142< / span >   < / div >
< div class = "line" > < a name = "l01143" > < / a > < span class = "lineno" > 1143< / span >   < span class = "keywordflow" > if< / span > (chroma_array_type != 0) {< / div >
< div class = "line" > < a name = "l01144" > < / a > < span class = "lineno" > 1144< / span >   READ_BOOL_OR_RETURN(& w_facts-> chroma_weight_flag);< / div >
< div class = "line" > < a name = "l01145" > < / a > < span class = "lineno" > 1145< / span >   < span class = "keywordflow" > if< / span > (w_facts-> chroma_weight_flag) {< / div >
< div class = "line" > < a name = "l01146" > < / a > < span class = "lineno" > 1146< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < 2; ++j) {< / div >
< div class = "line" > < a name = "l01147" > < / a > < span class = "lineno" > 1147< / span >   READ_SE_OR_RETURN(& w_facts-> chroma_weight[i][j]);< / div >
< div class = "line" > < a name = "l01148" > < / a > < span class = "lineno" > 1148< / span >   IN_RANGE_OR_RETURN(w_facts-> chroma_weight[i][j], -128, 127);< / div >
< div class = "line" > < a name = "l01149" > < / a > < span class = "lineno" > 1149< / span >   < / div >
< div class = "line" > < a name = "l01150" > < / a > < span class = "lineno" > 1150< / span >   READ_SE_OR_RETURN(& w_facts-> chroma_offset[i][j]);< / div >
< div class = "line" > < a name = "l01151" > < / a > < span class = "lineno" > 1151< / span >   IN_RANGE_OR_RETURN(w_facts-> chroma_offset[i][j], -128, 127);< / div >
< div class = "line" > < a name = "l01152" > < / a > < span class = "lineno" > 1152< / span >   }< / div >
< div class = "line" > < a name = "l01153" > < / a > < span class = "lineno" > 1153< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01154" > < / a > < span class = "lineno" > 1154< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < 2; ++j) {< / div >
< div class = "line" > < a name = "l01155" > < / a > < span class = "lineno" > 1155< / span >   w_facts-> chroma_weight[i][j] = def_chroma_weight;< / div >
< div class = "line" > < a name = "l01156" > < / a > < span class = "lineno" > 1156< / span >   w_facts-> chroma_offset[i][j] = 0;< / div >
< div class = "line" > < a name = "l01157" > < / a > < span class = "lineno" > 1157< / span >   }< / div >
< div class = "line" > < a name = "l01158" > < / a > < span class = "lineno" > 1158< / span >   }< / div >
< div class = "line" > < a name = "l01159" > < / a > < span class = "lineno" > 1159< / span >   }< / div >
< div class = "line" > < a name = "l01160" > < / a > < span class = "lineno" > 1160< / span >   }< / div >
< div class = "line" > < a name = "l01161" > < / a > < span class = "lineno" > 1161< / span >   < / div >
< div class = "line" > < a name = "l01162" > < / a > < span class = "lineno" > 1162< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01163" > < / a > < span class = "lineno" > 1163< / span >   }< / div >
< div class = "line" > < a name = "l01164" > < / a > < span class = "lineno" > 1164< / span >   < / div >
< div class = "line" > < a name = "l01165" > < / a > < span class = "lineno" > 1165< / span >   H264Parser::Result H264Parser::ParsePredWeightTable(< span class = "keyword" > const< / span > H264SPS& sps,< / div >
< div class = "line" > < a name = "l01166" > < / a > < span class = "lineno" > 1166< / span >   H264SliceHeader* shdr) {< / div >
< div class = "line" > < a name = "l01167" > < / a > < span class = "lineno" > 1167< / span >   READ_UE_OR_RETURN(& shdr-> luma_log2_weight_denom);< / div >
< div class = "line" > < a name = "l01168" > < / a > < span class = "lineno" > 1168< / span >   TRUE_OR_RETURN(shdr-> luma_log2_weight_denom < 8);< / div >
< div class = "line" > < a name = "l01169" > < / a > < span class = "lineno" > 1169< / span >   < / div >
< div class = "line" > < a name = "l01170" > < / a > < span class = "lineno" > 1170< / span >   < span class = "keywordflow" > if< / span > (sps.chroma_array_type != 0)< / div >
< div class = "line" > < a name = "l01171" > < / a > < span class = "lineno" > 1171< / span >   READ_UE_OR_RETURN(& shdr-> chroma_log2_weight_denom);< / div >
< div class = "line" > < a name = "l01172" > < / a > < span class = "lineno" > 1172< / span >   TRUE_OR_RETURN(shdr-> chroma_log2_weight_denom < 8);< / div >
< div class = "line" > < a name = "l01173" > < / a > < span class = "lineno" > 1173< / span >   < / div >
< div class = "line" > < a name = "l01174" > < / a > < span class = "lineno" > 1174< / span >   Result res = ParseWeightingFactors(shdr-> num_ref_idx_l0_active_minus1,< / div >
< div class = "line" > < a name = "l01175" > < / a > < span class = "lineno" > 1175< / span >   sps.chroma_array_type,< / div >
< div class = "line" > < a name = "l01176" > < / a > < span class = "lineno" > 1176< / span >   shdr-> luma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01177" > < / a > < span class = "lineno" > 1177< / span >   shdr-> chroma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01178" > < / a > < span class = "lineno" > 1178< / span >   & shdr-> pred_weight_table_l0);< / div >
< div class = "line" > < a name = "l01179" > < / a > < span class = "lineno" > 1179< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01180" > < / a > < span class = "lineno" > 1180< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01181" > < / a > < span class = "lineno" > 1181< / span >   < / div >
< div class = "line" > < a name = "l01182" > < / a > < span class = "lineno" > 1182< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsBSlice()) {< / div >
< div class = "line" > < a name = "l01183" > < / a > < span class = "lineno" > 1183< / span >   res = ParseWeightingFactors(shdr-> num_ref_idx_l1_active_minus1,< / div >
< div class = "line" > < a name = "l01184" > < / a > < span class = "lineno" > 1184< / span >   sps.chroma_array_type,< / div >
< div class = "line" > < a name = "l01185" > < / a > < span class = "lineno" > 1185< / span >   shdr-> luma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01186" > < / a > < span class = "lineno" > 1186< / span >   shdr-> chroma_log2_weight_denom,< / div >
< div class = "line" > < a name = "l01187" > < / a > < span class = "lineno" > 1187< / span >   & shdr-> pred_weight_table_l1);< / div >
< div class = "line" > < a name = "l01188" > < / a > < span class = "lineno" > 1188< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01189" > < / a > < span class = "lineno" > 1189< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01190" > < / a > < span class = "lineno" > 1190< / span >   }< / div >
< div class = "line" > < a name = "l01191" > < / a > < span class = "lineno" > 1191< / span >   < / div >
< div class = "line" > < a name = "l01192" > < / a > < span class = "lineno" > 1192< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01193" > < / a > < span class = "lineno" > 1193< / span >   }< / div >
< div class = "line" > < a name = "l01194" > < / a > < span class = "lineno" > 1194< / span >   < / div >
< div class = "line" > < a name = "l01195" > < / a > < span class = "lineno" > 1195< / span >   H264Parser::Result H264Parser::ParseDecRefPicMarking(H264SliceHeader* shdr) {< / div >
< div class = "line" > < a name = "l01196" > < / a > < span class = "lineno" > 1196< / span >   < span class = "keywordflow" > if< / span > (shdr-> idr_pic_flag) {< / div >
< div class = "line" > < a name = "l01197" > < / a > < span class = "lineno" > 1197< / span >   READ_BOOL_OR_RETURN(& shdr-> no_output_of_prior_pics_flag);< / div >
< div class = "line" > < a name = "l01198" > < / a > < span class = "lineno" > 1198< / span >   READ_BOOL_OR_RETURN(& shdr-> long_term_reference_flag);< / div >
< div class = "line" > < a name = "l01199" > < / a > < span class = "lineno" > 1199< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01200" > < / a > < span class = "lineno" > 1200< / span >   READ_BOOL_OR_RETURN(& shdr-> adaptive_ref_pic_marking_mode_flag);< / div >
< div class = "line" > < a name = "l01201" > < / a > < span class = "lineno" > 1201< / span >   < / div >
< div class = "line" > < a name = "l01202" > < / a > < span class = "lineno" > 1202< / span >   H264DecRefPicMarking* marking;< / div >
< div class = "line" > < a name = "l01203" > < / a > < span class = "lineno" > 1203< / span >   < span class = "keywordflow" > if< / span > (shdr-> adaptive_ref_pic_marking_mode_flag) {< / div >
< div class = "line" > < a name = "l01204" > < / a > < span class = "lineno" > 1204< / span >   < span class = "keywordtype" > size_t< / span > i;< / div >
< div class = "line" > < a name = "l01205" > < / a > < span class = "lineno" > 1205< / span >   < span class = "keywordflow" > for< / span > (i = 0; i < arraysize(shdr-> ref_pic_marking); ++i) {< / div >
< div class = "line" > < a name = "l01206" > < / a > < span class = "lineno" > 1206< / span >   marking = & shdr-> ref_pic_marking[i];< / div >
< div class = "line" > < a name = "l01207" > < / a > < span class = "lineno" > 1207< / span >   < / div >
< div class = "line" > < a name = "l01208" > < / a > < span class = "lineno" > 1208< / span >   READ_UE_OR_RETURN(& marking-> memory_mgmnt_control_operation);< / div >
< div class = "line" > < a name = "l01209" > < / a > < span class = "lineno" > 1209< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation == 0)< / div >
< div class = "line" > < a name = "l01210" > < / a > < span class = "lineno" > 1210< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01211" > < / a > < span class = "lineno" > 1211< / span >   < / div >
< div class = "line" > < a name = "l01212" > < / a > < span class = "lineno" > 1212< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation == 1 ||< / div >
< div class = "line" > < a name = "l01213" > < / a > < span class = "lineno" > 1213< / span >   marking-> memory_mgmnt_control_operation == 3)< / div >
< div class = "line" > < a name = "l01214" > < / a > < span class = "lineno" > 1214< / span >   READ_UE_OR_RETURN(& marking-> difference_of_pic_nums_minus1);< / div >
< div class = "line" > < a name = "l01215" > < / a > < span class = "lineno" > 1215< / span >   < / div >
< div class = "line" > < a name = "l01216" > < / a > < span class = "lineno" > 1216< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation == 2)< / div >
< div class = "line" > < a name = "l01217" > < / a > < span class = "lineno" > 1217< / span >   READ_UE_OR_RETURN(& marking-> long_term_pic_num);< / div >
< div class = "line" > < a name = "l01218" > < / a > < span class = "lineno" > 1218< / span >   < / div >
< div class = "line" > < a name = "l01219" > < / a > < span class = "lineno" > 1219< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation == 3 ||< / div >
< div class = "line" > < a name = "l01220" > < / a > < span class = "lineno" > 1220< / span >   marking-> memory_mgmnt_control_operation == 6)< / div >
< div class = "line" > < a name = "l01221" > < / a > < span class = "lineno" > 1221< / span >   READ_UE_OR_RETURN(& marking-> long_term_frame_idx);< / div >
< div class = "line" > < a name = "l01222" > < / a > < span class = "lineno" > 1222< / span >   < / div >
< div class = "line" > < a name = "l01223" > < / a > < span class = "lineno" > 1223< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation == 4)< / div >
< div class = "line" > < a name = "l01224" > < / a > < span class = "lineno" > 1224< / span >   READ_UE_OR_RETURN(& marking-> max_long_term_frame_idx_plus1);< / div >
< div class = "line" > < a name = "l01225" > < / a > < span class = "lineno" > 1225< / span >   < / div >
< div class = "line" > < a name = "l01226" > < / a > < span class = "lineno" > 1226< / span >   < span class = "keywordflow" > if< / span > (marking-> memory_mgmnt_control_operation > 6)< / div >
< div class = "line" > < a name = "l01227" > < / a > < span class = "lineno" > 1227< / span >   < span class = "keywordflow" > return< / span > kInvalidStream;< / div >
< div class = "line" > < a name = "l01228" > < / a > < span class = "lineno" > 1228< / span >   }< / div >
< div class = "line" > < a name = "l01229" > < / a > < span class = "lineno" > 1229< / span >   < / div >
< div class = "line" > < a name = "l01230" > < / a > < span class = "lineno" > 1230< / span >   < span class = "keywordflow" > if< / span > (i == arraysize(shdr-> ref_pic_marking)) {< / div >
< div class = "line" > < a name = "l01231" > < / a > < span class = "lineno" > 1231< / span >   DVLOG(1) < < < span class = "stringliteral" > " Ran out of dec ref pic marking fields" < / span > ;< / div >
< div class = "line" > < a name = "l01232" > < / a > < span class = "lineno" > 1232< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l01233" > < / a > < span class = "lineno" > 1233< / span >   }< / div >
< div class = "line" > < a name = "l01234" > < / a > < span class = "lineno" > 1234< / span >   }< / div >
< div class = "line" > < a name = "l01235" > < / a > < span class = "lineno" > 1235< / span >   }< / div >
< div class = "line" > < a name = "l01236" > < / a > < span class = "lineno" > 1236< / span >   < / div >
< div class = "line" > < a name = "l01237" > < / a > < span class = "lineno" > 1237< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01238" > < / a > < span class = "lineno" > 1238< / span >   }< / div >
< div class = "line" > < a name = "l01239" > < / a > < span class = "lineno" > 1239< / span >   < / div >
< div class = "line" > < a name = "l01240" > < / a > < span class = "lineno" > 1240< / span >   H264Parser::Result H264Parser::ParseSliceHeader(< span class = "keyword" > const< / span > H264NALU& nalu,< / div >
< div class = "line" > < a name = "l01241" > < / a > < span class = "lineno" > 1241< / span >   H264SliceHeader* shdr) {< / div >
< div class = "line" > < a name = "l01242" > < / a > < span class = "lineno" > 1242< / span >   < span class = "comment" > // See 7.4.3.< / span > < / div >
< div class = "line" > < a name = "l01243" > < / a > < span class = "lineno" > 1243< / span >   < span class = "keyword" > const< / span > H264SPS* sps;< / div >
< div class = "line" > < a name = "l01244" > < / a > < span class = "lineno" > 1244< / span >   < span class = "keyword" > const< / span > H264PPS* pps;< / div >
< div class = "line" > < a name = "l01245" > < / a > < span class = "lineno" > 1245< / span >   Result res;< / div >
< div class = "line" > < a name = "l01246" > < / a > < span class = "lineno" > 1246< / span >   < / div >
< div class = "line" > < a name = "l01247" > < / a > < span class = "lineno" > 1247< / span >   memset(shdr, 0, < span class = "keyword" > sizeof< / span > (*shdr));< / div >
< div class = "line" > < a name = "l01248" > < / a > < span class = "lineno" > 1248< / span >   < / div >
< div class = "line" > < a name = "l01249" > < / a > < span class = "lineno" > 1249< / span >   shdr-> idr_pic_flag = (nalu.nal_unit_type == 5);< / div >
< div class = "line" > < a name = "l01250" > < / a > < span class = "lineno" > 1250< / span >   shdr-> nal_ref_idc = nalu.nal_ref_idc;< / div >
< div class = "line" > < a name = "l01251" > < / a > < span class = "lineno" > 1251< / span >   shdr-> nalu_data = nalu.data;< / div >
< div class = "line" > < a name = "l01252" > < / a > < span class = "lineno" > 1252< / span >   shdr-> nalu_size = nalu.size;< / div >
< div class = "line" > < a name = "l01253" > < / a > < span class = "lineno" > 1253< / span >   < / div >
< div class = "line" > < a name = "l01254" > < / a > < span class = "lineno" > 1254< / span >   READ_UE_OR_RETURN(& shdr-> first_mb_in_slice);< / div >
< div class = "line" > < a name = "l01255" > < / a > < span class = "lineno" > 1255< / span >   READ_UE_OR_RETURN(& shdr-> slice_type);< / div >
< div class = "line" > < a name = "l01256" > < / a > < span class = "lineno" > 1256< / span >   TRUE_OR_RETURN(shdr-> slice_type < 10);< / div >
< div class = "line" > < a name = "l01257" > < / a > < span class = "lineno" > 1257< / span >   < / div >
< div class = "line" > < a name = "l01258" > < / a > < span class = "lineno" > 1258< / span >   READ_UE_OR_RETURN(& shdr-> pic_parameter_set_id);< / div >
< div class = "line" > < a name = "l01259" > < / a > < span class = "lineno" > 1259< / span >   < / div >
< div class = "line" > < a name = "l01260" > < / a > < span class = "lineno" > 1260< / span >   pps = GetPPS(shdr-> pic_parameter_set_id);< / div >
< div class = "line" > < a name = "l01261" > < / a > < span class = "lineno" > 1261< / span >   TRUE_OR_RETURN(pps);< / div >
< div class = "line" > < a name = "l01262" > < / a > < span class = "lineno" > 1262< / span >   < / div >
< div class = "line" > < a name = "l01263" > < / a > < span class = "lineno" > 1263< / span >   sps = GetSPS(pps-> seq_parameter_set_id);< / div >
< div class = "line" > < a name = "l01264" > < / a > < span class = "lineno" > 1264< / span >   TRUE_OR_RETURN(sps);< / div >
< div class = "line" > < a name = "l01265" > < / a > < span class = "lineno" > 1265< / span >   < / div >
< div class = "line" > < a name = "l01266" > < / a > < span class = "lineno" > 1266< / span >   < span class = "keywordflow" > if< / span > (sps-> separate_colour_plane_flag) {< / div >
< div class = "line" > < a name = "l01267" > < / a > < span class = "lineno" > 1267< / span >   DVLOG(1) < < < span class = "stringliteral" > " Interlaced streams not supported" < / span > ;< / div >
< div class = "line" > < a name = "l01268" > < / a > < span class = "lineno" > 1268< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l01269" > < / a > < span class = "lineno" > 1269< / span >   }< / div >
< div class = "line" > < a name = "l01270" > < / a > < span class = "lineno" > 1270< / span >   < / div >
< div class = "line" > < a name = "l01271" > < / a > < span class = "lineno" > 1271< / span >   READ_BITS_OR_RETURN(sps-> log2_max_frame_num_minus4 + 4, & shdr-> frame_num);< / div >
< div class = "line" > < a name = "l01272" > < / a > < span class = "lineno" > 1272< / span >   < span class = "keywordflow" > if< / span > (!sps-> frame_mbs_only_flag) {< / div >
< div class = "line" > < a name = "l01273" > < / a > < span class = "lineno" > 1273< / span >   READ_BOOL_OR_RETURN(& shdr-> field_pic_flag);< / div >
< div class = "line" > < a name = "l01274" > < / a > < span class = "lineno" > 1274< / span >   < span class = "keywordflow" > if< / span > (shdr-> field_pic_flag) {< / div >
< div class = "line" > < a name = "l01275" > < / a > < span class = "lineno" > 1275< / span >   DVLOG(1) < < < span class = "stringliteral" > " Interlaced streams not supported" < / span > ;< / div >
< div class = "line" > < a name = "l01276" > < / a > < span class = "lineno" > 1276< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l01277" > < / a > < span class = "lineno" > 1277< / span >   }< / div >
< div class = "line" > < a name = "l01278" > < / a > < span class = "lineno" > 1278< / span >   }< / div >
< div class = "line" > < a name = "l01279" > < / a > < span class = "lineno" > 1279< / span >   < / div >
< div class = "line" > < a name = "l01280" > < / a > < span class = "lineno" > 1280< / span >   < span class = "keywordflow" > if< / span > (shdr-> idr_pic_flag)< / div >
< div class = "line" > < a name = "l01281" > < / a > < span class = "lineno" > 1281< / span >   READ_UE_OR_RETURN(& shdr-> idr_pic_id);< / div >
< div class = "line" > < a name = "l01282" > < / a > < span class = "lineno" > 1282< / span >   < / div >
< div class = "line" > < a name = "l01283" > < / a > < span class = "lineno" > 1283< / span >   < span class = "keywordflow" > if< / span > (sps-> pic_order_cnt_type == 0) {< / div >
< div class = "line" > < a name = "l01284" > < / a > < span class = "lineno" > 1284< / span >   READ_BITS_OR_RETURN(sps-> log2_max_pic_order_cnt_lsb_minus4 + 4,< / div >
< div class = "line" > < a name = "l01285" > < / a > < span class = "lineno" > 1285< / span >   & shdr-> pic_order_cnt_lsb);< / div >
< div class = "line" > < a name = "l01286" > < / a > < span class = "lineno" > 1286< / span >   < span class = "keywordflow" > if< / span > (pps-> bottom_field_pic_order_in_frame_present_flag & & < / div >
< div class = "line" > < a name = "l01287" > < / a > < span class = "lineno" > 1287< / span >   !shdr-> field_pic_flag)< / div >
< div class = "line" > < a name = "l01288" > < / a > < span class = "lineno" > 1288< / span >   READ_SE_OR_RETURN(& shdr-> delta_pic_order_cnt_bottom);< / div >
< div class = "line" > < a name = "l01289" > < / a > < span class = "lineno" > 1289< / span >   }< / div >
< div class = "line" > < a name = "l01290" > < / a > < span class = "lineno" > 1290< / span >   < / div >
< div class = "line" > < a name = "l01291" > < / a > < span class = "lineno" > 1291< / span >   < span class = "keywordflow" > if< / span > (sps-> pic_order_cnt_type == 1 & & !sps-> delta_pic_order_always_zero_flag) {< / div >
< div class = "line" > < a name = "l01292" > < / a > < span class = "lineno" > 1292< / span >   READ_SE_OR_RETURN(& shdr-> delta_pic_order_cnt[0]);< / div >
< div class = "line" > < a name = "l01293" > < / a > < span class = "lineno" > 1293< / span >   < span class = "keywordflow" > if< / span > (pps-> bottom_field_pic_order_in_frame_present_flag & & < / div >
< div class = "line" > < a name = "l01294" > < / a > < span class = "lineno" > 1294< / span >   !shdr-> field_pic_flag)< / div >
< div class = "line" > < a name = "l01295" > < / a > < span class = "lineno" > 1295< / span >   READ_SE_OR_RETURN(& shdr-> delta_pic_order_cnt[1]);< / div >
< div class = "line" > < a name = "l01296" > < / a > < span class = "lineno" > 1296< / span >   }< / div >
< div class = "line" > < a name = "l01297" > < / a > < span class = "lineno" > 1297< / span >   < / div >
< div class = "line" > < a name = "l01298" > < / a > < span class = "lineno" > 1298< / span >   < span class = "keywordflow" > if< / span > (pps-> redundant_pic_cnt_present_flag) {< / div >
< div class = "line" > < a name = "l01299" > < / a > < span class = "lineno" > 1299< / span >   READ_UE_OR_RETURN(& shdr-> redundant_pic_cnt);< / div >
< div class = "line" > < a name = "l01300" > < / a > < span class = "lineno" > 1300< / span >   TRUE_OR_RETURN(shdr-> redundant_pic_cnt < 128);< / div >
< div class = "line" > < a name = "l01301" > < / a > < span class = "lineno" > 1301< / span >   }< / div >
< div class = "line" > < a name = "l01302" > < / a > < span class = "lineno" > 1302< / span >   < / div >
< div class = "line" > < a name = "l01303" > < / a > < span class = "lineno" > 1303< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsBSlice())< / div >
< div class = "line" > < a name = "l01304" > < / a > < span class = "lineno" > 1304< / span >   READ_BOOL_OR_RETURN(& shdr-> direct_spatial_mv_pred_flag);< / div >
< div class = "line" > < a name = "l01305" > < / a > < span class = "lineno" > 1305< / span >   < / div >
< div class = "line" > < a name = "l01306" > < / a > < span class = "lineno" > 1306< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsPSlice() || shdr-> IsSPSlice() || shdr-> IsBSlice()) {< / div >
< div class = "line" > < a name = "l01307" > < / a > < span class = "lineno" > 1307< / span >   READ_BOOL_OR_RETURN(& shdr-> num_ref_idx_active_override_flag);< / div >
< div class = "line" > < a name = "l01308" > < / a > < span class = "lineno" > 1308< / span >   < span class = "keywordflow" > if< / span > (shdr-> num_ref_idx_active_override_flag) {< / div >
< div class = "line" > < a name = "l01309" > < / a > < span class = "lineno" > 1309< / span >   READ_UE_OR_RETURN(& shdr-> num_ref_idx_l0_active_minus1);< / div >
< div class = "line" > < a name = "l01310" > < / a > < span class = "lineno" > 1310< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsBSlice())< / div >
< div class = "line" > < a name = "l01311" > < / a > < span class = "lineno" > 1311< / span >   READ_UE_OR_RETURN(& shdr-> num_ref_idx_l1_active_minus1);< / div >
< div class = "line" > < a name = "l01312" > < / a > < span class = "lineno" > 1312< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01313" > < / a > < span class = "lineno" > 1313< / span >   shdr-> num_ref_idx_l0_active_minus1 =< / div >
< div class = "line" > < a name = "l01314" > < / a > < span class = "lineno" > 1314< / span >   pps-> num_ref_idx_l0_default_active_minus1;< / div >
< div class = "line" > < a name = "l01315" > < / a > < span class = "lineno" > 1315< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsBSlice()) {< / div >
< div class = "line" > < a name = "l01316" > < / a > < span class = "lineno" > 1316< / span >   shdr-> num_ref_idx_l1_active_minus1 =< / div >
< div class = "line" > < a name = "l01317" > < / a > < span class = "lineno" > 1317< / span >   pps-> num_ref_idx_l1_default_active_minus1;< / div >
< div class = "line" > < a name = "l01318" > < / a > < span class = "lineno" > 1318< / span >   }< / div >
< div class = "line" > < a name = "l01319" > < / a > < span class = "lineno" > 1319< / span >   }< / div >
< div class = "line" > < a name = "l01320" > < / a > < span class = "lineno" > 1320< / span >   }< / div >
< div class = "line" > < a name = "l01321" > < / a > < span class = "lineno" > 1321< / span >   < span class = "keywordflow" > if< / span > (shdr-> field_pic_flag) {< / div >
< div class = "line" > < a name = "l01322" > < / a > < span class = "lineno" > 1322< / span >   TRUE_OR_RETURN(shdr-> num_ref_idx_l0_active_minus1 < 32);< / div >
< div class = "line" > < a name = "l01323" > < / a > < span class = "lineno" > 1323< / span >   TRUE_OR_RETURN(shdr-> num_ref_idx_l1_active_minus1 < 32);< / div >
< div class = "line" > < a name = "l01324" > < / a > < span class = "lineno" > 1324< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01325" > < / a > < span class = "lineno" > 1325< / span >   TRUE_OR_RETURN(shdr-> num_ref_idx_l0_active_minus1 < 16);< / div >
< div class = "line" > < a name = "l01326" > < / a > < span class = "lineno" > 1326< / span >   TRUE_OR_RETURN(shdr-> num_ref_idx_l1_active_minus1 < 16);< / div >
< div class = "line" > < a name = "l01327" > < / a > < span class = "lineno" > 1327< / span >   }< / div >
< div class = "line" > < a name = "l01328" > < / a > < span class = "lineno" > 1328< / span >   < / div >
< div class = "line" > < a name = "l01329" > < / a > < span class = "lineno" > 1329< / span >   < span class = "keywordflow" > if< / span > (nalu.nal_unit_type == H264NALU::kCodedSliceExtension) {< / div >
< div class = "line" > < a name = "l01330" > < / a > < span class = "lineno" > 1330< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l01331" > < / a > < span class = "lineno" > 1331< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01332" > < / a > < span class = "lineno" > 1332< / span >   res = ParseRefPicListModifications(shdr);< / div >
< div class = "line" > < a name = "l01333" > < / a > < span class = "lineno" > 1333< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01334" > < / a > < span class = "lineno" > 1334< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01335" > < / a > < span class = "lineno" > 1335< / span >   }< / div >
< div class = "line" > < a name = "l01336" > < / a > < span class = "lineno" > 1336< / span >   < / div >
< div class = "line" > < a name = "l01337" > < / a > < span class = "lineno" > 1337< / span >   < span class = "keywordflow" > if< / span > ((pps-> weighted_pred_flag & & (shdr-> IsPSlice() || shdr-> IsSPSlice())) ||< / div >
< div class = "line" > < a name = "l01338" > < / a > < span class = "lineno" > 1338< / span >   (pps-> weighted_bipred_idc == 1 & & shdr-> IsBSlice())) {< / div >
< div class = "line" > < a name = "l01339" > < / a > < span class = "lineno" > 1339< / span >   res = ParsePredWeightTable(*sps, shdr);< / div >
< div class = "line" > < a name = "l01340" > < / a > < span class = "lineno" > 1340< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01341" > < / a > < span class = "lineno" > 1341< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01342" > < / a > < span class = "lineno" > 1342< / span >   }< / div >
< div class = "line" > < a name = "l01343" > < / a > < span class = "lineno" > 1343< / span >   < / div >
< div class = "line" > < a name = "l01344" > < / a > < span class = "lineno" > 1344< / span >   < span class = "keywordflow" > if< / span > (nalu.nal_ref_idc != 0) {< / div >
< div class = "line" > < a name = "l01345" > < / a > < span class = "lineno" > 1345< / span >   res = ParseDecRefPicMarking(shdr);< / div >
< div class = "line" > < a name = "l01346" > < / a > < span class = "lineno" > 1346< / span >   < span class = "keywordflow" > if< / span > (res != kOk)< / div >
< div class = "line" > < a name = "l01347" > < / a > < span class = "lineno" > 1347< / span >   < span class = "keywordflow" > return< / span > res;< / div >
< div class = "line" > < a name = "l01348" > < / a > < span class = "lineno" > 1348< / span >   }< / div >
< div class = "line" > < a name = "l01349" > < / a > < span class = "lineno" > 1349< / span >   < / div >
< div class = "line" > < a name = "l01350" > < / a > < span class = "lineno" > 1350< / span >   < span class = "keywordflow" > if< / span > (pps-> entropy_coding_mode_flag & & !shdr-> IsISlice() & & < / div >
< div class = "line" > < a name = "l01351" > < / a > < span class = "lineno" > 1351< / span >   !shdr-> IsSISlice()) {< / div >
< div class = "line" > < a name = "l01352" > < / a > < span class = "lineno" > 1352< / span >   READ_UE_OR_RETURN(& shdr-> cabac_init_idc);< / div >
< div class = "line" > < a name = "l01353" > < / a > < span class = "lineno" > 1353< / span >   TRUE_OR_RETURN(shdr-> cabac_init_idc < 3);< / div >
< div class = "line" > < a name = "l01354" > < / a > < span class = "lineno" > 1354< / span >   }< / div >
< div class = "line" > < a name = "l01355" > < / a > < span class = "lineno" > 1355< / span >   < / div >
< div class = "line" > < a name = "l01356" > < / a > < span class = "lineno" > 1356< / span >   READ_SE_OR_RETURN(& shdr-> slice_qp_delta);< / div >
< div class = "line" > < a name = "l01357" > < / a > < span class = "lineno" > 1357< / span >   < / div >
< div class = "line" > < a name = "l01358" > < / a > < span class = "lineno" > 1358< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsSPSlice() || shdr-> IsSISlice()) {< / div >
< div class = "line" > < a name = "l01359" > < / a > < span class = "lineno" > 1359< / span >   < span class = "keywordflow" > if< / span > (shdr-> IsSPSlice())< / div >
< div class = "line" > < a name = "l01360" > < / a > < span class = "lineno" > 1360< / span >   READ_BOOL_OR_RETURN(& shdr-> sp_for_switch_flag);< / div >
< div class = "line" > < a name = "l01361" > < / a > < span class = "lineno" > 1361< / span >   READ_SE_OR_RETURN(& shdr-> slice_qs_delta);< / div >
< div class = "line" > < a name = "l01362" > < / a > < span class = "lineno" > 1362< / span >   }< / div >
< div class = "line" > < a name = "l01363" > < / a > < span class = "lineno" > 1363< / span >   < / div >
< div class = "line" > < a name = "l01364" > < / a > < span class = "lineno" > 1364< / span >   < span class = "keywordflow" > if< / span > (pps-> deblocking_filter_control_present_flag) {< / div >
< div class = "line" > < a name = "l01365" > < / a > < span class = "lineno" > 1365< / span >   READ_UE_OR_RETURN(& shdr-> disable_deblocking_filter_idc);< / div >
< div class = "line" > < a name = "l01366" > < / a > < span class = "lineno" > 1366< / span >   TRUE_OR_RETURN(shdr-> disable_deblocking_filter_idc < 3);< / div >
< div class = "line" > < a name = "l01367" > < / a > < span class = "lineno" > 1367< / span >   < / div >
< div class = "line" > < a name = "l01368" > < / a > < span class = "lineno" > 1368< / span >   < span class = "keywordflow" > if< / span > (shdr-> disable_deblocking_filter_idc != 1) {< / div >
< div class = "line" > < a name = "l01369" > < / a > < span class = "lineno" > 1369< / span >   READ_SE_OR_RETURN(& shdr-> slice_alpha_c0_offset_div2);< / div >
< div class = "line" > < a name = "l01370" > < / a > < span class = "lineno" > 1370< / span >   IN_RANGE_OR_RETURN(shdr-> slice_alpha_c0_offset_div2, -6, 6);< / div >
< div class = "line" > < a name = "l01371" > < / a > < span class = "lineno" > 1371< / span >   < / div >
< div class = "line" > < a name = "l01372" > < / a > < span class = "lineno" > 1372< / span >   READ_SE_OR_RETURN(& shdr-> slice_beta_offset_div2);< / div >
< div class = "line" > < a name = "l01373" > < / a > < span class = "lineno" > 1373< / span >   IN_RANGE_OR_RETURN(shdr-> slice_beta_offset_div2, -6, 6);< / div >
< div class = "line" > < a name = "l01374" > < / a > < span class = "lineno" > 1374< / span >   }< / div >
< div class = "line" > < a name = "l01375" > < / a > < span class = "lineno" > 1375< / span >   }< / div >
< div class = "line" > < a name = "l01376" > < / a > < span class = "lineno" > 1376< / span >   < / div >
< div class = "line" > < a name = "l01377" > < / a > < span class = "lineno" > 1377< / span >   < span class = "keywordflow" > if< / span > (pps-> num_slice_groups_minus1 > 0) {< / div >
< div class = "line" > < a name = "l01378" > < / a > < span class = "lineno" > 1378< / span >   DVLOG(1) < < < span class = "stringliteral" > " Slice groups not supported" < / span > ;< / div >
< div class = "line" > < a name = "l01379" > < / a > < span class = "lineno" > 1379< / span >   < span class = "keywordflow" > return< / span > kUnsupportedStream;< / div >
< div class = "line" > < a name = "l01380" > < / a > < span class = "lineno" > 1380< / span >   }< / div >
< div class = "line" > < a name = "l01381" > < / a > < span class = "lineno" > 1381< / span >   < / div >
< div class = "line" > < a name = "l01382" > < / a > < span class = "lineno" > 1382< / span >   < span class = "keywordtype" > size_t< / span > epb = br_.NumEmulationPreventionBytesRead();< / div >
< div class = "line" > < a name = "l01383" > < / a > < span class = "lineno" > 1383< / span >   shdr-> header_bit_size = (shdr-> nalu_size - epb) * 8 - br_.NumBitsLeft();< / div >
< div class = "line" > < a name = "l01384" > < / a > < span class = "lineno" > 1384< / span >   < / div >
< div class = "line" > < a name = "l01385" > < / a > < span class = "lineno" > 1385< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01386" > < / a > < span class = "lineno" > 1386< / span >   }< / div >
< div class = "line" > < a name = "l01387" > < / a > < span class = "lineno" > 1387< / span >   < / div >
< div class = "line" > < a name = "l01388" > < / a > < span class = "lineno" > 1388< / span >   H264Parser::Result H264Parser::ParseSEI(H264SEIMessage* sei_msg) {< / div >
< div class = "line" > < a name = "l01389" > < / a > < span class = "lineno" > 1389< / span >   < span class = "keywordtype" > int< / span > byte;< / div >
< div class = "line" > < a name = "l01390" > < / a > < span class = "lineno" > 1390< / span >   < / div >
< div class = "line" > < a name = "l01391" > < / a > < span class = "lineno" > 1391< / span >   memset(sei_msg, 0, < span class = "keyword" > sizeof< / span > (*sei_msg));< / div >
< div class = "line" > < a name = "l01392" > < / a > < span class = "lineno" > 1392< / span >   < / div >
< div class = "line" > < a name = "l01393" > < / a > < span class = "lineno" > 1393< / span >   READ_BITS_OR_RETURN(8, & byte);< / div >
< div class = "line" > < a name = "l01394" > < / a > < span class = "lineno" > 1394< / span >   < span class = "keywordflow" > while< / span > (byte == 0xff) {< / div >
< div class = "line" > < a name = "l01395" > < / a > < span class = "lineno" > 1395< / span >   sei_msg-> type += 255;< / div >
< div class = "line" > < a name = "l01396" > < / a > < span class = "lineno" > 1396< / span >   READ_BITS_OR_RETURN(8, & byte);< / div >
< div class = "line" > < a name = "l01397" > < / a > < span class = "lineno" > 1397< / span >   }< / div >
< div class = "line" > < a name = "l01398" > < / a > < span class = "lineno" > 1398< / span >   sei_msg-> type += byte;< / div >
< div class = "line" > < a name = "l01399" > < / a > < span class = "lineno" > 1399< / span >   < / div >
< div class = "line" > < a name = "l01400" > < / a > < span class = "lineno" > 1400< / span >   READ_BITS_OR_RETURN(8, & byte);< / div >
< div class = "line" > < a name = "l01401" > < / a > < span class = "lineno" > 1401< / span >   < span class = "keywordflow" > while< / span > (byte == 0xff) {< / div >
< div class = "line" > < a name = "l01402" > < / a > < span class = "lineno" > 1402< / span >   sei_msg-> payload_size += 255;< / div >
< div class = "line" > < a name = "l01403" > < / a > < span class = "lineno" > 1403< / span >   READ_BITS_OR_RETURN(8, & byte);< / div >
< div class = "line" > < a name = "l01404" > < / a > < span class = "lineno" > 1404< / span >   }< / div >
< div class = "line" > < a name = "l01405" > < / a > < span class = "lineno" > 1405< / span >   sei_msg-> payload_size += byte;< / div >
< div class = "line" > < a name = "l01406" > < / a > < span class = "lineno" > 1406< / span >   < / div >
< div class = "line" > < a name = "l01407" > < / a > < span class = "lineno" > 1407< / span >   DVLOG(4) < < < span class = "stringliteral" > " Found SEI message type: " < / span > < < sei_msg-> type< / div >
< div class = "line" > < a name = "l01408" > < / a > < span class = "lineno" > 1408< / span >   < < < span class = "stringliteral" > " payload size: " < / span > < < sei_msg-> payload_size;< / div >
< div class = "line" > < a name = "l01409" > < / a > < span class = "lineno" > 1409< / span >   < / div >
< div class = "line" > < a name = "l01410" > < / a > < span class = "lineno" > 1410< / span >   < span class = "keywordflow" > switch< / span > (sei_msg-> type) {< / div >
< div class = "line" > < a name = "l01411" > < / a > < span class = "lineno" > 1411< / span >   < span class = "keywordflow" > case< / span > H264SEIMessage::kSEIRecoveryPoint:< / div >
< div class = "line" > < a name = "l01412" > < / a > < span class = "lineno" > 1412< / span >   READ_UE_OR_RETURN(& sei_msg-> recovery_point.recovery_frame_cnt);< / div >
< div class = "line" > < a name = "l01413" > < / a > < span class = "lineno" > 1413< / span >   READ_BOOL_OR_RETURN(& sei_msg-> recovery_point.exact_match_flag);< / div >
< div class = "line" > < a name = "l01414" > < / a > < span class = "lineno" > 1414< / span >   READ_BOOL_OR_RETURN(& sei_msg-> recovery_point.broken_link_flag);< / div >
< div class = "line" > < a name = "l01415" > < / a > < span class = "lineno" > 1415< / span >   READ_BITS_OR_RETURN(2, & sei_msg-> recovery_point.changing_slice_group_idc);< / div >
< div class = "line" > < a name = "l01416" > < / a > < span class = "lineno" > 1416< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01417" > < / a > < span class = "lineno" > 1417< / span >   < / div >
< div class = "line" > < a name = "l01418" > < / a > < span class = "lineno" > 1418< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l01419" > < / a > < span class = "lineno" > 1419< / span >   DVLOG(4) < < < span class = "stringliteral" > " Unsupported SEI message" < / span > ;< / div >
< div class = "line" > < a name = "l01420" > < / a > < span class = "lineno" > 1420< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01421" > < / a > < span class = "lineno" > 1421< / span >   }< / div >
< div class = "line" > < a name = "l01422" > < / a > < span class = "lineno" > 1422< / span >   < / div >
< div class = "line" > < a name = "l01423" > < / a > < span class = "lineno" > 1423< / span >   < span class = "keywordflow" > return< / span > kOk;< / div >
< div class = "line" > < a name = "l01424" > < / a > < span class = "lineno" > 1424< / span >   }< / div >
< div class = "line" > < a name = "l01425" > < / a > < span class = "lineno" > 1425< / span >   < / div >
< div class = "line" > < a name = "l01426" > < / a > < span class = "lineno" > 1426< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l01427" > < / a > < span class = "lineno" > 1427< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
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