2015-11-05 01:47:40 +00:00
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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 = "title" > hevc_decoder_configuration.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2015 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/filters/hevc_decoder_configuration.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
2016-03-03 22:48:19 +00:00
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_reader.h" < / span > < / div >
2016-04-12 21:32:58 +00:00
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/rcheck.h" < / span > < / div >
2016-03-03 22:48:19 +00:00
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > // ISO/IEC 14496-15:2014 Annex E.< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   std::string GeneralProfileSpaceAsString(uint8_t general_profile_space) {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keywordflow" > switch< / span > (general_profile_space) {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordflow" > case< / span > 0:< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordflow" > case< / span > 1:< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " A" < / span > ;< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keywordflow" > case< / span > 2:< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " B" < / span > ;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keywordflow" > case< / span > 3:< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " C" < / span > ;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unexpected general_profile_space " < / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < < general_profile_space;< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   }< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   }< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   std::string TrimLeadingZeros(< span class = "keyword" > const< / span > std::string& str) {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   DCHECK_GT(str.size(), 0u);< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < str.size(); ++i) {< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > if< / span > (str[i] == < span class = "charliteral" > ' 0' < / span > ) < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > return< / span > str.substr(i);< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   }< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " 0" < / span > ;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   }< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // Encode the 32 bits input, but in reverse bit order, i.e. bit [31] as the most< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // significant bit, followed by, bit [30], and down to bit [0] as the least< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // significant bit, where bits [i] for i in the range of 0 to 31, inclusive, are< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // specified in ISO/IEC 23008‐ < / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // omitted).< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   std::string ReverseBitsAndHexEncode(uint32_t x) {< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   x = ((x & 0x55555555) < < 1) | ((x & 0xAAAAAAAA) > > 1);< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   x = ((x & 0x33333333) < < 2) | ((x & 0xCCCCCCCC) > > 2);< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   x = ((x & 0x0F0F0F0F) < < 4) | ((x & 0xF0F0F0F0) > > 4);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keyword" > const< / span > uint8_t bytes[] = {< span class = "keyword" > static_cast< < / span > uint8_t< span class = "keyword" > > < / span > (x & 0xFF),< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   static_cast< uint8_t> ((x > > 8) & 0xFF),< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   static_cast< uint8_t> ((x > > 16) & 0xFF),< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   static_cast< uint8_t> ((x > > 24) & 0xFF)};< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > return< / span > TrimLeadingZeros(base::HexEncode(bytes, arraysize(bytes)));< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   std::string CodecAsString(VideoCodec codec) {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > switch< / span > (codec) {< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > case< / span > kCodecHEV1:< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " hev1" < / span > ;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > case< / span > kCodecHVC1:< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " hvc1" < / span > ;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unknown codec: " < / span > < < codec;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > std::string();< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   }< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   HEVCDecoderConfiguration::HEVCDecoderConfiguration()< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   : version_(0),< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   general_profile_space_(0),< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   general_tier_flag_(false),< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   general_profile_idc_(0),< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   general_profile_compatibility_flags_(0),< / div >
2016-03-04 18:42:55 +00:00
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   general_level_idc_(0) {}< / 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 >   HEVCDecoderConfiguration::~HEVCDecoderConfiguration() {}< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordtype" > bool< / span > HEVCDecoderConfiguration::ParseInternal() {< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   BufferReader reader(< a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#ae2c11d7dc33c3f90535218797ca6b4d2" > data< / a > (), < a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a5233b5e870d55f0487ee0387ad69921f" > data_size< / a > ());< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   uint8_t profile_indication = 0;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   uint8_t length_size_minus_one = 0;< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   uint8_t num_of_arrays = 0;< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   RCHECK(reader.Read1(& version_) & & version_ == 1 & & < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   reader.Read1(& profile_indication) & & < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   reader.Read4(& general_profile_compatibility_flags_) & & < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   reader.ReadToVector(& general_constraint_indicator_flags_, 6) & & < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   reader.Read1(& general_level_idc_) & & < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   reader.SkipBytes(8) & & < span class = "comment" > // Skip uninterested fields.< / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   reader.Read1(& length_size_minus_one) & & < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   reader.Read1(& num_of_arrays));< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   general_profile_space_ = profile_indication > > 6;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   RCHECK(general_profile_space_ < = 3u);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   general_tier_flag_ = ((profile_indication > > 5) & 1) == 1;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   general_profile_idc_ = profile_indication & 0x1f;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keywordflow" > if< / span > ((length_size_minus_one & 0x3) == 2) {< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid NALU length size." < / span > ;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   }< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a7f93b527e9c1bd1034f98861ca4f57f7" > set_nalu_length_size< / a > ((length_size_minus_one & 0x3) + 1);< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < num_of_arrays; i++) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   uint8_t nal_unit_type;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   uint16_t num_nalus;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   RCHECK(reader.Read1(& nal_unit_type));< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   nal_unit_type & = 0x3f;< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   RCHECK(reader.Read2(& num_nalus));< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < num_nalus; j++) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   uint16_t nalu_length;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   RCHECK(reader.Read2(& nalu_length));< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   uint64_t nalu_offset = reader.pos();< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   RCHECK(reader.SkipBytes(nalu_length));< / div >
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< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
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< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   Nalu < a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a7e8ebb71676d606bc8690c3ede399629" > nalu< / a > ;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   RCHECK(nalu.InitializeFromH265(< a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#ae2c11d7dc33c3f90535218797ca6b4d2" > data< / a > () + nalu_offset, nalu_length));< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   RCHECK(nalu.type() == nal_unit_type);< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < a class = "code" href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a9e094293bce0ea72b2546088f6c250d8" > AddNalu< / a > (nalu);< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   }< / div >
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< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   }< / div >
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< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > // TODO(kqyang): Parse SPS to get resolutions.< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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 >   < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > < a class = "line" href = "../../d6/d5d/classedash__packager_1_1media_1_1HEVCDecoderConfiguration.html#abe707416639b9382c680647d6970eda5" > 135< / a > < / span >   std::string < a class = "code" href = "../../d6/d5d/classedash__packager_1_1media_1_1HEVCDecoderConfiguration.html#abe707416639b9382c680647d6970eda5" > HEVCDecoderConfiguration::GetCodecString< / a > (VideoCodec codec)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > // ISO/IEC 14496-15:2014 Annex E.< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   std::vector< std::string> fields;< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   fields.push_back(CodecAsString(codec));< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   fields.push_back(GeneralProfileSpaceAsString(general_profile_space_) +< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   base::IntToString(general_profile_idc_));< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   fields.push_back(< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   ReverseBitsAndHexEncode(general_profile_compatibility_flags_));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   fields.push_back((general_tier_flag_ ? < span class = "stringliteral" > " H" < / span > : < span class = "stringliteral" > " L" < / span > ) +< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   base::IntToString(general_level_idc_));< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "comment" > // Remove trailing bytes that are zero.< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   std::vector< uint8_t> constraints = general_constraint_indicator_flags_;< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordtype" > size_t< / span > size = constraints.size();< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > for< / span > (; size > 0; --size) {< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordflow" > if< / span > (constraints[size - 1] != 0) < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   }< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   constraints.resize(size);< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > for< / span > (uint8_t constraint : constraints)< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   fields.push_back(TrimLeadingZeros(base::HexEncode(& constraint, 1)));< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > return< / span > base::JoinString(fields, < span class = "stringliteral" > " ." < / span > );< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1DecoderConfiguration_html_a7e8ebb71676d606bc8690c3ede399629" > < div class = "ttname" > < a href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a7e8ebb71676d606bc8690c3ede399629" > edash_packager::media::DecoderConfiguration::nalu< / a > < / div > < div class = "ttdeci" > const Nalu & nalu(size_t i) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d09/decoder__configuration_8h_source.html#l00044" > decoder_configuration.h:44< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1DecoderConfiguration_html_ae2c11d7dc33c3f90535218797ca6b4d2" > < div class = "ttname" > < a href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#ae2c11d7dc33c3f90535218797ca6b4d2" > edash_packager::media::DecoderConfiguration::data< / a > < / div > < div class = "ttdeci" > const uint8_t * data() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d09/decoder__configuration_8h_source.html#l00053" > decoder_configuration.h:53< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1HEVCDecoderConfiguration_html_abe707416639b9382c680647d6970eda5" > < div class = "ttname" > < a href = "../../d6/d5d/classedash__packager_1_1media_1_1HEVCDecoderConfiguration.html#abe707416639b9382c680647d6970eda5" > edash_packager::media::HEVCDecoderConfiguration::GetCodecString< / a > < / div > < div class = "ttdeci" > std::string GetCodecString(VideoCodec codec) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d41/hevc__decoder__configuration_8cc_source.html#l00135" > hevc_decoder_configuration.cc:135< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1DecoderConfiguration_html_a9e094293bce0ea72b2546088f6c250d8" > < div class = "ttname" > < a href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a9e094293bce0ea72b2546088f6c250d8" > edash_packager::media::DecoderConfiguration::AddNalu< / a > < / div > < div class = "ttdeci" > void AddNalu(const Nalu & nalu)< / div > < div class = "ttdoc" > Adds the given Nalu to the configuration. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/d2c/decoder__configuration_8cc_source.html#l00021" > decoder_configuration.cc:21< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1DecoderConfiguration_html_a5233b5e870d55f0487ee0387ad69921f" > < div class = "ttname" > < a href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a5233b5e870d55f0487ee0387ad69921f" > edash_packager::media::DecoderConfiguration::data_size< / a > < / div > < div class = "ttdeci" > size_t data_size() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d09/decoder__configuration_8h_source.html#l00056" > decoder_configuration.h:56< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1DecoderConfiguration_html_a7f93b527e9c1bd1034f98861ca4f57f7" > < div class = "ttname" > < a href = "../../d8/dfb/classedash__packager_1_1media_1_1DecoderConfiguration.html#a7f93b527e9c1bd1034f98861ca4f57f7" > edash_packager::media::DecoderConfiguration::set_nalu_length_size< / a > < / div > < div class = "ttdeci" > void set_nalu_length_size(uint8_t nalu_length_size)< / div > < div class = "ttdoc" > Sets the size of the NAL unit length field. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d09/decoder__configuration_8h_source.html#l00059" > decoder_configuration.h:59< / a > < / div > < / div >
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