2015-11-04 00:37:48 +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" > vp_codec_configuration.cc< / div > < / div >
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< div class = "contents" >
< 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/vp_codec_configuration.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " 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/bit_reader.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_writer.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/strings/stringprintf.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/rcheck.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   std::string VPCodecAsString(VideoCodec codec) {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keywordflow" > switch< / span > (codec) {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keywordflow" > case< / span > kCodecVP8:< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " vp08" < / span > ;< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordflow" > case< / span > kCodecVP9:< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " vp09" < / span > ;< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keywordflow" > case< / span > kCodecVP10:< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " vp10" < / span > ;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unknown VP codec: " < / span > < < codec;< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keywordflow" > return< / span > std::string();< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   }< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   }< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   } < span class = "comment" > // namespace< / 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 >   VPCodecConfiguration::VPCodecConfiguration()< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   : profile_(0),< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   level_(0),< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   bit_depth_(0),< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   color_space_(0),< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   chroma_subsampling_(0),< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   transfer_function_(0),< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   video_full_range_flag_(false) {}< / 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 >   VPCodecConfiguration::VPCodecConfiguration(< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   uint8_t profile,< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   uint8_t level,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   uint8_t bit_depth,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   uint8_t color_space,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   uint8_t chroma_subsampling,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   uint8_t transfer_function,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordtype" > bool< / span > video_full_range_flag,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keyword" > const< / span > std::vector< uint8_t> & codec_initialization_data)< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   : profile_(profile),< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   level_(level),< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   bit_depth_(bit_depth),< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   color_space_(color_space),< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   chroma_subsampling_(chroma_subsampling),< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   transfer_function_(transfer_function),< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   video_full_range_flag_(video_full_range_flag),< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   codec_initialization_data_(codec_initialization_data) {}< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   VPCodecConfiguration::~VPCodecConfiguration(){};< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > < a class = "line" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a3428d45e1b7c31fc6dd3bef0c8dc46c7" > 65< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a3428d45e1b7c31fc6dd3bef0c8dc46c7" > VPCodecConfiguration::Parse< / a > (< span class = "keyword" > const< / span > std::vector< uint8_t> & data) {< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < a class = "code" href = "../../df/db4/classedash__packager_1_1media_1_1BitReader.html" > BitReader< / a > reader(vector_as_array(& data), data.size());< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   RCHECK(reader.ReadBits(8, & profile_));< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   RCHECK(reader.ReadBits(8, & level_));< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   RCHECK(reader.ReadBits(4, & bit_depth_));< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   RCHECK(reader.ReadBits(4, & color_space_));< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   RCHECK(reader.ReadBits(4, & chroma_subsampling_));< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   RCHECK(reader.ReadBits(3, & transfer_function_));< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   RCHECK(reader.ReadBits(1, & video_full_range_flag_));< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   uint16_t codec_initialization_data_size = 0;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   RCHECK(reader.ReadBits(16, & codec_initialization_data_size));< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   RCHECK(reader.bits_available() > = codec_initialization_data_size * 8);< / div >
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< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > header_size = data.size() - reader.bits_available() / 8;< / div >
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< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   codec_initialization_data_.assign(< / div >
2015-11-18 00:22:42 +00:00
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   data.begin() + header_size,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   data.begin() + header_size + codec_initialization_data_size);< / div >
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< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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" > < a class = "line" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a295be0ed186f54b41da39522bc0d9699" > 84< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a295be0ed186f54b41da39522bc0d9699" > VPCodecConfiguration::Write< / a > (std::vector< uint8_t> * data)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > BufferWriter< / a > writer;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   writer.< a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > AppendInt< / a > (profile_);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   writer.< a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > AppendInt< / a > (level_);< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   uint8_t bit_depth_color_space = (bit_depth_ < < 4) | color_space_;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   writer.< a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > AppendInt< / a > (bit_depth_color_space);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   uint8_t chroma = (chroma_subsampling_ < < 4) | (transfer_function_ < < 1) |< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   (video_full_range_flag_ ? 1 : 0);< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   writer.< a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > AppendInt< / a > (chroma);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   uint16_t codec_initialization_data_size = codec_initialization_data_.size();< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   writer.< a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > AppendInt< / a > (codec_initialization_data_size);< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   writer.AppendVector(codec_initialization_data_);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   writer.SwapBuffer(data);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > < a class = "line" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a56c474703175b9a323ef24553da42704" > 99< / a > < / span >   std::string < a class = "code" href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a56c474703175b9a323ef24553da42704" > VPCodecConfiguration::GetCodecString< / a > (VideoCodec codec)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keyword" > const< / span > std::string fields[] = {< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   base::IntToString(profile_),< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   base::IntToString(level_),< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   base::IntToString(bit_depth_),< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   base::IntToString(color_space_),< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   base::IntToString(chroma_subsampling_),< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   base::IntToString(transfer_function_),< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   (video_full_range_flag_ ? < span class = "stringliteral" > " 01" < / span > : < span class = "stringliteral" > " 00" < / span > ),< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   };< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   std::string codec_string = VPCodecAsString(codec);< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::string& field : fields) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // Make sure every field is at least 2-chars wide. The space will be< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // replaced with ' 0' afterwards.< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   base::StringAppendF(& codec_string, < span class = "stringliteral" > " .%2s" < / span > , field.c_str());< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   }< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   base::ReplaceChars(codec_string, < span class = "stringliteral" > " " < / span > , < span class = "stringliteral" > " 0" < / span > , & codec_string);< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > return< / span > codec_string;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1VPCodecConfiguration_html_a295be0ed186f54b41da39522bc0d9699" > < div class = "ttname" > < a href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a295be0ed186f54b41da39522bc0d9699" > edash_packager::media::VPCodecConfiguration::Write< / a > < / div > < div class = "ttdeci" > void Write(std::vector< uint8_t > *data) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/dda/vp__codec__configuration_8cc_source.html#l00084" > vp_codec_configuration.cc:84< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferWriter_html_afd1449487750c41331a2d91ac417f115" > < div class = "ttname" > < a href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#afd1449487750c41331a2d91ac417f115" > edash_packager::media::BufferWriter::AppendInt< / a > < / div > < div class = "ttdeci" > void AppendInt(uint8_t v)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd3/buffer__writer_8cc_source.html#l00024" > buffer_writer.cc:24< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1BitReader_html" > < div class = "ttname" > < a href = "../../df/db4/classedash__packager_1_1media_1_1BitReader.html" > edash_packager::media::BitReader< / a > < / div > < div class = "ttdoc" > A class to read bit streams. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/dd3/bit__reader_8h_source.html#l00017" > bit_reader.h:17< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1VPCodecConfiguration_html_a56c474703175b9a323ef24553da42704" > < div class = "ttname" > < a href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a56c474703175b9a323ef24553da42704" > edash_packager::media::VPCodecConfiguration::GetCodecString< / a > < / div > < div class = "ttdeci" > std::string GetCodecString(VideoCodec codec) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/dda/vp__codec__configuration_8cc_source.html#l00099" > vp_codec_configuration.cc:99< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1VPCodecConfiguration_html_a3428d45e1b7c31fc6dd3bef0c8dc46c7" > < div class = "ttname" > < a href = "../../d7/d85/classedash__packager_1_1media_1_1VPCodecConfiguration.html#a3428d45e1b7c31fc6dd3bef0c8dc46c7" > edash_packager::media::VPCodecConfiguration::Parse< / a > < / div > < div class = "ttdeci" > bool Parse(const std::vector< uint8_t > & data)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/dda/vp__codec__configuration_8cc_source.html#l00065" > vp_codec_configuration.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferWriter_html" > < div class = "ttname" > < a href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > edash_packager::media::BufferWriter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd2/buffer__writer_8h_source.html#l00022" > buffer_writer.h:22< / a > < / div > < / div >
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