2016-02-17 01:09:50 +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" > nalu_reader.h< / 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 2016 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" > #ifndef MEDIA_FILTERS_NALU_READER_H_< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define MEDIA_FILTERS_NALU_READER_H_< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include < stdint.h> < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include < stdlib.h> < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/compiler_specific.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/base/macros.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 >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "comment" > // Used as the |nalu_length_size| argument to NaluReader to indicate to use< / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "comment" > // AnnexB byte streams. An AnnexB byte stream starts with 3 or 4 byte start< / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // codes instead of a fixed size NAL unit length.< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > const< / span > uint8_t kIsAnnexbByteStream = 0;< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > < a class = "line" href = "../../d2/d72/classedash__packager_1_1media_1_1Nalu.html" > 26< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "../../d2/d72/classedash__packager_1_1media_1_1Nalu.html" > Nalu< / a > {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keyword" > enum< / span > H264NaluType {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   H264_Unspecified = 0,< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   H264_NonIDRSlice = 1,< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   H264_IDRSlice = 5,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   H264_SEIMessage = 6,< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   H264_SPS = 7,< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   H264_PPS = 8,< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   H264_AUD = 9,< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   H264_EOSeq = 10,< / div >
2016-03-24 21:23:41 +00:00
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   H264_FillerData = 12,< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   H264_SPSExtension = 13,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   H264_SubsetSPS = 15,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   H264_Reserved17 = 17,< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   H264_Reserved18 = 18,< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   H264_CodedSliceExtension = 20,< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   H264_Reserved22 = 22,< / 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 >   < span class = "keyword" > enum< / span > H265NaluType {< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   H265_TRAIL_N = 0,< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   H265_TSA_N = 2,< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   H265_TSA_R = 3,< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   H265_STSA_N = 4,< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   H265_STSA_R = 5,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   H265_RASL_R = 9,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   H265_RSV_VCL_N10 = 10,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   H265_RSV_VCL_R15 = 15,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   H265_BLA_W_LP = 16,< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   H265_IDR_W_RADL = 19,< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   H265_IDR_N_LP = 20,< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   H265_CRA_NUT = 21,< / 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 >   H265_RSV_IRAP_VCL22 = 22,< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   H265_RSV_IRAP_VCL23 = 23,< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   H265_RSV_VCL31 = 31,< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   H265_VPS = 32,< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   H265_SPS = 33,< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   H265_PPS = 34,< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   H265_AUD = 35,< / div >
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< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
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< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   H265_EOS = 36,< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   H265_EOB = 37,< / 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 >   H265_RSV_NVCL41 = 41,< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / 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 >   < a class = "code" href = "../../d2/d72/classedash__packager_1_1media_1_1Nalu.html" > Nalu< / a > ();< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordtype" > bool< / span > InitializeFromH264(< span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   uint64_t size) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordtype" > bool< / span > InitializeFromH265(< span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   uint64_t size) WARN_UNUSED_RESULT;< / 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 = "keyword" > const< / span > uint8_t* data()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > data_; }< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   uint64_t header_size()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > header_size_; }< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   uint64_t payload_size()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > payload_size_; }< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // H.264 Specific:< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordtype" > int< / span > ref_idc()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > ref_idc_; }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // H.265 Specific:< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > int< / span > nuh_layer_id()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > nuh_layer_id_; }< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordtype" > int< / span > nuh_temporal_id()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > nuh_temporal_id_; }< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > int< / span > type()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > type_; }< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordtype" > bool< / span > is_video_slice()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > is_video_slice_; }< / 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 >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // A pointer to the NALU (i.e. points to the header). This pointer is not< / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // owned by this instance.< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keyword" > const< / span > uint8_t* data_;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "comment" > // NALU header size (e.g. 1 byte for H.264). Note that it does not include< / span > < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > // header extension data in some NAL units.< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   uint64_t header_size_;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > // Size of data after the header.< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   uint64_t payload_size_;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordtype" > int< / span > ref_idc_;< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > int< / span > nuh_layer_id_;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordtype" > int< / span > nuh_temporal_id_;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordtype" > int< / span > type_;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordtype" > bool< / span > is_video_slice_;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > // Don' t use DISALLOW_COPY_AND_ASSIGN since it is just numbers and a pointer< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > // it does not own. This allows Nalus to be stored in a vector.< / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   };< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > < a class = "line" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html" > 121< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html" > NaluReader< / a > {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keyword" > enum< / span > Result {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   kOk,< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   kInvalidStream, < span class = "comment" > // error in stream< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   kEOStream, < span class = "comment" > // end of stream< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   };< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keyword" > enum< / span > NaluType {< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   kH264,< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   kH265,< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   };< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#a47c6d8fa9d49494cf015a32ebecbb35c" > NaluReader< / a > (NaluType type,< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   uint8_t nal_length_size,< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keyword" > const< / span > uint8_t* stream,< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   uint64_t stream_size);< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   ~< a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html" > NaluReader< / a > ();< / div >
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< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < / div >
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< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > // Find offset from start of data to next NALU start code< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > // and size of found start code (3 or 4 bytes).< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "comment" > // If no start code is found, offset is pointing to the first unprocessed byte< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "comment" > // (i.e. the first byte that was not considered as a possible start of a start< / span > < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "comment" > // code) and |*start_code_size| is set to 0.< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "comment" > // Postconditions:< / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // - |*offset| is between 0 and |data_size| included.< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > // It is strictly less than |data_size| if |data_size| > 0.< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "comment" > // - |*start_code_size| is either 0, 3 or 4.< / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > bool< / span > FindStartCode(< span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   uint64_t data_size,< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   uint64_t* offset,< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   uint8_t* start_code_size);< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   Result < a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#af9382cd46f2f4d22636f7f5513e8df1d" > Advance< / a > (< a class = "code" href = "../../d2/d72/classedash__packager_1_1media_1_1Nalu.html" > Nalu< / a > * nalu);< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#a0f700b8bc3163065111b77d6a37a92db" > StartsWithStartCode< / a > ();< / 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 >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > enum< / span > Format {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   kAnnexbByteStreamFormat,< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   kNalUnitStreamFormat< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   };< / div >
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< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
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< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > // Move the stream pointer to the beginning of the next NALU,< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // i.e. pointing at the next start code.< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > // Return true if a NALU has been found.< / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // If a NALU is found:< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // - its size in bytes is returned in |*nalu_size| and includes< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // the start code as well as the trailing zero bits.< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // - the size in bytes of the start code is returned in |*start_code_size|.< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keywordtype" > bool< / span > LocateNaluByStartCode(uint64_t* nalu_size, uint8_t* start_code_size);< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // Pointer to the current NALU in the stream.< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > const< / span > uint8_t* stream_;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "comment" > // The remaining size of the stream.< / span > < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   uint64_t stream_size_;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "comment" > // The type of NALU being read.< / span > < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   NaluType nalu_type_;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // The number of bytes the prefix length is; only valid if format is< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // kAnnexbByteStreamFormat.< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   uint8_t nalu_length_size_;< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // The format of the stream.< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   Format format_;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   DISALLOW_COPY_AND_ASSIGN(< a class = "code" href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html" > NaluReader< / a > );< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   };< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "preprocessor" > #endif // MEDIA_FILTERS_NALU_READER_H_< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1NaluReader_html" > < div class = "ttname" > < a href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html" > edash_packager::media::NaluReader< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d87/nalu__reader_8h_source.html#l00121" > nalu_reader.h:121< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1Nalu_html" > < div class = "ttname" > < a href = "../../d2/d72/classedash__packager_1_1media_1_1Nalu.html" > edash_packager::media::Nalu< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d87/nalu__reader_8h_source.html#l00026" > nalu_reader.h:26< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1NaluReader_html_af9382cd46f2f4d22636f7f5513e8df1d" > < div class = "ttname" > < a href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#af9382cd46f2f4d22636f7f5513e8df1d" > edash_packager::media::NaluReader::Advance< / a > < / div > < div class = "ttdeci" > Result Advance(Nalu *nalu)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df5/nalu__reader_8cc_source.html#l00159" > nalu_reader.cc:159< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1NaluReader_html_a0f700b8bc3163065111b77d6a37a92db" > < div class = "ttname" > < a href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#a0f700b8bc3163065111b77d6a37a92db" > edash_packager::media::NaluReader::StartsWithStartCode< / a > < / div > < div class = "ttdeci" > bool StartsWithStartCode()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df5/nalu__reader_8cc_source.html#l00217" > nalu_reader.cc:217< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1NaluReader_html_a47c6d8fa9d49494cf015a32ebecbb35c" > < div class = "ttname" > < a href = "../../d3/d6a/classedash__packager_1_1media_1_1NaluReader.html#a47c6d8fa9d49494cf015a32ebecbb35c" > edash_packager::media::NaluReader::NaluReader< / a > < / div > < div class = "ttdeci" > NaluReader(NaluType type, uint8_t nal_length_size, const uint8_t *stream, uint64_t stream_size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df5/nalu__reader_8cc_source.html#l00145" > nalu_reader.cc:145< / a > < / div > < / div >
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