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< title > Shaka Packager SDK: packager/media/formats/mp4/segmenter.cc Source File< / title >
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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_ae142483ff91a68c468a97c037f98d4d.html" > mp4< / a > < / li > < / ul >
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< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > segmenter.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 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/formats/mp4/segmenter.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_writer.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/id3_tag.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/muxer_options.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/muxer_util.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/chunking/chunking_handler.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/event/progress_listener.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/box_definitions.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/fragmenter.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/key_frame_info.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " packager/version/version.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > namespace < / span > mp4 {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   uint64_t Rescale(uint64_t time_in_old_scale,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   uint32_t old_scale,< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   uint32_t new_scale) {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (time_in_old_scale) / old_scale * new_scale;< / 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 >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   Segmenter::Segmenter(< span class = "keyword" > const< / span > MuxerOptions& options,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   std::unique_ptr< FileType> ftyp,< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   std::unique_ptr< Movie> moov)< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   : options_(options),< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   ftyp_(std::move(ftyp)),< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   moov_(std::move(moov)),< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   moof_(new MovieFragment()),< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   fragment_buffer_(new BufferWriter()),< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   sidx_(new SegmentIndex()) {}< / 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 >   Segmenter::~Segmenter() {}< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#acc2d4e58b3fa4b41a0637f52288d81d9" > 51< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::Initialize(< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keyword" > const< / span > std::vector< std::shared_ptr< const StreamInfo> > & streams,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html" > ProgressListener< / a > * progress_listener) {< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   DCHECK_LT(0u, streams.size());< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   muxer_listener_ = muxer_listener;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   progress_listener_ = progress_listener;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   moof_-> header.sequence_number = 0;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   moof_-> tracks.resize(streams.size());< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   fragmenters_.resize(streams.size());< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   stream_durations_.resize(streams.size());< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < streams.size(); ++i) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   moof_-> tracks[i].header.track_id = i + 1;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > if< / span > (streams[i]-> stream_type() == kStreamVideo) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // Use the first video stream as the reference stream (which is 1-based).< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > if< / span > (sidx_-> reference_id == 0)< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   sidx_-> reference_id = i + 1;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   }< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/dbe/structshaka_1_1media_1_1mp4_1_1EditList.html" > EditList< / a > & edit_list = moov_-> tracks[i].edit.list;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   int64_t edit_list_offset = 0;< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > if< / span > (edit_list.edits.size() > 0) {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   DCHECK_EQ(edit_list.edits.size(), 1u);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   edit_list_offset = edit_list.edits.front().media_time;< / 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 >   < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   fragmenters_[i].reset(< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keyword" > new< / span > < a class = "code" href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html" > Fragmenter< / a > (streams[i], & moof_-> tracks[i], edit_list_offset));< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / 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 >   < span class = "comment" > // Choose the first stream if there is no VIDEO.< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordflow" > if< / span > (sidx_-> reference_id == 0)< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   sidx_-> reference_id = 1;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   sidx_-> timescale = streams[GetReferenceStreamId()]-> time_scale();< / 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" > // Use media duration as progress target.< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   progress_target_ = streams[GetReferenceStreamId()]-> duration();< / 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" > // Use the reference stream' s time scale as movie time scale.< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   moov_-> header.timescale = sidx_-> timescale;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   moof_-> header.sequence_number = 1;< / 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 = "comment" > // Fill in version information.< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keyword" > const< / span > std::string version = GetPackagerVersion();< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > if< / span > (!version.empty()) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   moov_-> metadata.handler.handler_type = FOURCC_ID32;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   moov_-> metadata.id3v2.language.code = < span class = "stringliteral" > " eng" < / span > ;< / 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 >   < a class = "code" href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html" > Id3Tag< / a > id3_tag;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   id3_tag.< a class = "code" href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html#a90a47470efaf3a956ec60da770bb3f37" > AddPrivateFrame< / a > (GetPackagerProjectUrl(), version);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   CHECK(id3_tag.< a class = "code" href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html#abf7b6258d9c648d93122631de698431e" > WriteToVector< / a > (& moov_-> metadata.id3v2.id3v2_data));< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   }< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keywordflow" > return< / span > DoInitialize();< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   }< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac" > 108< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::Finalize() {< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // Set movie duration. Note that the duration in mvhd, tkhd, mdhd should not< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // be touched, i.e. kept at 0. The updated moov box will be written to output< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > // file for VOD and static live case only.< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   moov_-> extends.header.fragment_duration = 0;< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < stream_durations_.size(); ++i) {< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   uint64_t duration =< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   Rescale(stream_durations_[i], moov_-> tracks[i].media.header.timescale,< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   moov_-> header.timescale);< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > if< / span > (duration > moov_-> extends.header.fragment_duration)< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   moov_-> extends.header.fragment_duration = duration;< / 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 = "keywordflow" > return< / span > DoFinalize();< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a6b859a1e564cf007a34f6bfa2d48baeb" > 123< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::AddSample(< span class = "keywordtype" > size_t< / span > stream_id, < span class = "keyword" > const< / span > < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" > MediaSample< / a > & sample) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // Set default sample duration if it has not been set yet.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > if< / span > (moov_-> extends.tracks[stream_id].default_sample_duration == 0) {< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   moov_-> extends.tracks[stream_id].default_sample_duration =< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   sample.duration();< / 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 >   DCHECK_LT(stream_id, fragmenters_.size());< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < a class = "code" href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html" > Fragmenter< / a > * fragmenter = fragmenters_[stream_id].get();< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keywordflow" > if< / span > (fragmenter-> fragment_finalized()) {< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::FRAGMENT_FINALIZED,< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "stringliteral" > " Current fragment is finalized already." < / span > );< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   }< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > status = fragmenter-> < a class = "code" href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a993d83a58a8407d46279b3490723c5ca" > AddSample< / a > (sample);< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > if< / span > (sample_duration_ == 0)< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   sample_duration_ = sample.duration();< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   stream_durations_[stream_id] += sample.duration();< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >   < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adfe43b76600564a2836ed78070549656" > 147< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::FinalizeSegment(< span class = "keywordtype" > size_t< / span > stream_id,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html" > SegmentInfo< / a > & segment_info) {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > if< / span > (segment_info.key_rotation_encryption_config) {< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   FinalizeFragmentForKeyRotation(< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   stream_id, segment_info.is_encrypted,< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   *segment_info.key_rotation_encryption_config);< / 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 >   DCHECK_LT(stream_id, fragmenters_.size());< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < a class = "code" href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html" > Fragmenter< / a > * fragmenter = fragmenters_[stream_id].get();< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   DCHECK(fragmenter);< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > status = fragmenter-> < a class = "code" href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#ae943e13eb86d54cffb7174d4513e4541" > FinalizeFragment< / a > ();< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordflow" > return< / span > status;< / 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 >   < span class = "comment" > // Check if all tracks are ready for fragmentation.< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::unique_ptr< Fragmenter> & fragmenter : fragmenters_) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > if< / span > (!fragmenter-> fragment_finalized())< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >   < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < a class = "code" href = "../../d7/dae/structshaka_1_1media_1_1mp4_1_1MediaData.html" > MediaData< / a > mdat;< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "comment" > // Data offset relative to ' moof' : moof size + mdat header size.< / span > < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "comment" > // The code will also update box sizes for moof_ and its child boxes.< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   uint64_t data_offset = moof_-> < a class = "code" href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#aa4e47d0ba81e234707c76ca36e32c1d5" > ComputeSize< / a > () + mdat.< a class = "code" href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a07928a0497473150999ceaee018edaa2" > HeaderSize< / a > ();< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > // ' traf' should follow ' mfhd' moof header box.< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   uint64_t next_traf_position = moof_-> HeaderSize() + moof_-> header.box_size();< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < moof_-> tracks.size(); ++i) {< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < a class = "code" href = "../../df/d7b/structshaka_1_1media_1_1mp4_1_1TrackFragment.html" > TrackFragment< / a > & traf = moof_-> tracks[i];< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "keywordflow" > if< / span > (traf.auxiliary_offset.offsets.size() > 0) {< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   DCHECK_EQ(traf.auxiliary_offset.offsets.size(), 1u);< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   DCHECK(!traf.sample_encryption.sample_encryption_entries.empty());< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   next_traf_position += traf.< a class = "code" href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419" > box_size< / a > ();< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // SampleEncryption ' senc' box should be the last box in ' traf' .< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > // |auxiliary_offset| should point to the data of SampleEncryption.< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   traf.auxiliary_offset.offsets[0] =< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   next_traf_position - traf.sample_encryption.< a class = "code" href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419" > box_size< / a > () +< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   traf.sample_encryption.< a class = "code" href = "../../dd/dc1/structshaka_1_1media_1_1mp4_1_1FullBox.html#a21cc4d085f650dc18a20a4dd05cb6750" > HeaderSize< / a > () +< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keyword" > sizeof< / span > (uint32_t); < span class = "comment" > // for sample count field in ' senc' < / span > < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   }< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   traf.runs[0].data_offset = data_offset + mdat.data_size;< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   mdat.data_size += < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (fragmenters_[i]-> data()-> Size());< / 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 >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "comment" > // Generate segment reference.< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   sidx_-> references.resize(sidx_-> references.size() + 1);< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   fragmenters_[GetReferenceStreamId()]-> GenerateSegmentReference(< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   & sidx_-> references[sidx_-> references.size() - 1]);< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   sidx_-> references[sidx_-> references.size() - 1].referenced_size =< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   data_offset + mdat.data_size;< / 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 = "keyword" > const< / span > uint64_t moof_start_offset = fragment_buffer_-> Size();< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "comment" > // Write the fragment to buffer.< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   moof_-> Write(fragment_buffer_.get());< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   mdat.< a class = "code" href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a57b8837c93d51f5cf03d3862069d509a" > WriteHeader< / a > (fragment_buffer_.get());< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keywordtype" > bool< / span > first_key_frame = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > std::unique_ptr< Fragmenter> & fragmenter : fragmenters_) {< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "comment" > // https://goo.gl/xcFus6 6. Trick play requirements< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "comment" > // 6.10. If using fMP4, I-frame segments must include the ' moof' header< / span > < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "comment" > // associated with the I-frame. It also implies that only the first key< / span > < / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "comment" > // frame can be included.< / span > < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > if< / span > (!fragmenter-> key_frame_infos().empty() & & first_key_frame) {< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d6/de2/structshaka_1_1media_1_1mp4_1_1KeyFrameInfo.html" > KeyFrameInfo< / a > & key_frame_info =< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   fragmenter-> key_frame_infos().front();< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   first_key_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   key_frame_infos_.push_back(< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   {key_frame_info.timestamp, moof_start_offset,< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   fragment_buffer_-> Size() - moof_start_offset + key_frame_info.size});< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   }< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   fragment_buffer_-> AppendBuffer(*fragmenter-> data());< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   }< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "comment" > // Increase sequence_number for next fragment.< / span > < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   ++moof_-> header.sequence_number;< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordflow" > for< / span > (std::unique_ptr< Fragmenter> & fragmenter : fragmenters_)< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   fragmenter-> ClearFragmentFinalized();< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > if< / span > (!segment_info.is_subsegment) {< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > status = DoFinalizeSegment();< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "comment" > // Reset segment information to initial state.< / span > < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   sidx_-> references.clear();< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   key_frame_infos_.clear();< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   }< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   }< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   uint32_t Segmenter::GetReferenceTimeScale()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordflow" > return< / span > moov_-> header.timescale;< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   }< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a8e69eff130e3ce8817541958a8e4fe" > 241< / a > < / span >   < span class = "keywordtype" > double< / span > Segmenter::GetDuration()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   uint64_t duration = moov_-> extends.header.fragment_duration;< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > if< / span > (duration == 0) {< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "comment" > // Handling the case where this is not properly initialized.< / span > < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keywordflow" > return< / span > 0.0;< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   }< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (duration) / moov_-> header.timescale;< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   }< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3" > 250< / a > < / span >   < span class = "keywordtype" > void< / span > Segmenter::UpdateProgress(uint64_t progress) {< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   accumulated_progress_ += progress;< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keywordflow" > if< / span > (!progress_listener_) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > if< / span > (progress_target_ == 0) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "comment" > // It might happen that accumulated progress exceeds progress_target due to< / span > < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "comment" > // computation errors, e.g. rounding error. Cap it so it never reports > 100%< / span > < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "comment" > // progress.< / span > < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > if< / span > (accumulated_progress_ > = progress_target_) {< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   progress_listener_-> OnProgress(1.0);< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   progress_listener_-> OnProgress(< span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (accumulated_progress_) /< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   progress_target_);< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   }< / 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" > < a class = "line" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adea4bf88a29660bd8612ae3bc5048068" > 266< / a > < / span >   < span class = "keywordtype" > void< / span > Segmenter::SetComplete() {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < span class = "keywordflow" > if< / span > (!progress_listener_) < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   progress_listener_-> OnProgress(1.0);< / 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 >   uint32_t Segmenter::GetReferenceStreamId() {< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   DCHECK(sidx_);< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keywordflow" > return< / span > sidx_-> reference_id - 1;< / 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 > Segmenter::FinalizeFragmentForKeyRotation(< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordtype" > size_t< / span > stream_id,< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "keywordtype" > bool< / span > fragment_encrypted,< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html" > EncryptionConfig< / a > & encryption_config) {< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordflow" > if< / span > (options_.mp4_params.include_pssh_in_stream) {< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   moof_-> pssh.clear();< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & key_system_info = encryption_config.key_system_info;< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html" > ProtectionSystemSpecificInfo< / a > & system : key_system_info) {< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "keywordflow" > if< / span > (system.psshs.empty())< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   ProtectionSystemSpecificHeader pssh;< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   pssh.raw_box = system.psshs;< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   moof_-> pssh.push_back(pssh);< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   }< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   LOG(WARNING)< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < < < span class = "stringliteral" > " Key rotation and no pssh in stream may not work well together." < / span > ;< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   }< / 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 >   < span class = "comment" > // Skip the following steps if the current fragment is not going to be< / span > < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "comment" > // encrypted. ' pssh' box needs to be included in the fragment, which is< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "comment" > // performed above, regardless of whether the fragment is encrypted. This is< / span > < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "comment" > // necessary for two reasons: 1) Requesting keys before reaching encrypted< / span > < / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "comment" > // content avoids playback delay due to license requests; 2) In Chrome, CDM< / span > < / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "comment" > // must be initialized before starting the playback and CDM can only be< / span > < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "comment" > // initialized with a valid ' pssh' .< / span > < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "keywordflow" > if< / span > (!fragment_encrypted)< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   DCHECK_LT(stream_id, moof_-> tracks.size());< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   TrackFragment& traf = moof_-> tracks[stream_id];< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   traf.sample_group_descriptions.resize(traf.sample_group_descriptions.size() +< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   1);< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   SampleGroupDescription& sample_group_description =< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   traf.sample_group_descriptions.back();< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   sample_group_description.grouping_type = FOURCC_seig;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   sample_group_description.cenc_sample_encryption_info_entries.resize(1);< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   CencSampleEncryptionInfoEntry& sample_group_entry =< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   sample_group_description.cenc_sample_encryption_info_entries.back();< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   sample_group_entry.is_protected = 1;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   sample_group_entry.per_sample_iv_size = encryption_config.per_sample_iv_size;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   sample_group_entry.constant_iv = encryption_config.constant_iv;< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   sample_group_entry.crypt_byte_block = encryption_config.crypt_byte_block;< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   sample_group_entry.skip_byte_block = encryption_config.skip_byte_block;< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   sample_group_entry.key_id = encryption_config.key_id;< / 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" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< div class = "ttc" id = "aclassshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1Id3Tag_html" > < div class = "ttname" > < a href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html" > shaka::media::Id3Tag< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/dd7/id3__tag_8h_source.html#l00020" > id3_tag.h:20< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1Id3Tag_html_a90a47470efaf3a956ec60da770bb3f37" > < div class = "ttname" > < a href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html#a90a47470efaf3a956ec60da770bb3f37" > shaka::media::Id3Tag::AddPrivateFrame< / a > < / div > < div class = "ttdeci" > virtual void AddPrivateFrame(const std::string & owner, const std::string & data)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d39/id3__tag_8cc_source.html#l00049" > id3_tag.cc:49< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1Id3Tag_html_abf7b6258d9c648d93122631de698431e" > < div class = "ttname" > < a href = "../../de/d26/classshaka_1_1media_1_1Id3Tag.html#abf7b6258d9c648d93122631de698431e" > shaka::media::Id3Tag::WriteToVector< / a > < / div > < div class = "ttdeci" > virtual bool WriteToVector(std::vector< uint8_t > *output)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d39/id3__tag_8cc_source.html#l00067" > id3_tag.cc:67< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaSample_html" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" > shaka::media::MediaSample< / a > < / div > < div class = "ttdoc" > Class to hold a media sample.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d80/media__sample_8h_source.html#l00022" > media_sample.h:22< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MuxerListener_html" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > shaka::media::MuxerListener< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/dfa/muxer__listener_8h_source.html#l00032" > muxer_listener.h:32< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ProgressListener_html" > < div class = "ttname" > < a href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html" > shaka::media::ProgressListener< / a > < / div > < div class = "ttdoc" > This class listens to progress updates events.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d9d/progress__listener_8h_source.html#l00020" > progress_listener.h:20< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html" > < div class = "ttname" > < a href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html" > shaka::media::mp4::Fragmenter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd1/fragmenter_8h_source.html#l00031" > fragmenter.h:31< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html_a993d83a58a8407d46279b3490723c5ca" > < div class = "ttname" > < a href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#a993d83a58a8407d46279b3490723c5ca" > shaka::media::mp4::Fragmenter::AddSample< / a > < / div > < div class = "ttdeci" > Status AddSample(const MediaSample & sample)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00065" > fragmenter.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Fragmenter_html_ae943e13eb86d54cffb7174d4513e4541" > < div class = "ttname" > < a href = "../../db/d95/classshaka_1_1media_1_1mp4_1_1Fragmenter.html#ae943e13eb86d54cffb7174d4513e4541" > shaka::media::mp4::Fragmenter::FinalizeFragment< / a > < / div > < div class = "ttdeci" > Status FinalizeFragment()< / div > < div class = "ttdoc" > Finalize and optimize the fragment.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00159" > fragmenter.cc:159< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1EncryptionConfig_html" > < div class = "ttname" > < a href = "../../d7/d34/structshaka_1_1media_1_1EncryptionConfig.html" > shaka::media::EncryptionConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d05/encryption__config_8h_source.html#l00016" > encryption_config.h:16< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1ProtectionSystemSpecificInfo_html" > < div class = "ttname" > < a href = "../../d0/d86/structshaka_1_1media_1_1ProtectionSystemSpecificInfo.html" > shaka::media::ProtectionSystemSpecificInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d59/protection__system__specific__info_8h_source.html#l00020" > protection_system_specific_info.h:20< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1SegmentInfo_html" > < div class = "ttname" > < a href = "../../d0/dc0/structshaka_1_1media_1_1SegmentInfo.html" > shaka::media::SegmentInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00055" > media_handler.h:55< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1Box_html_a07928a0497473150999ceaee018edaa2" > < div class = "ttname" > < a href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a07928a0497473150999ceaee018edaa2" > shaka::media::mp4::Box::HeaderSize< / a > < / div > < div class = "ttdeci" > virtual uint32_t HeaderSize() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d4d/box_8cc_source.html#l00055" > box.cc:55< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1Box_html_a57b8837c93d51f5cf03d3862069d509a" > < div class = "ttname" > < a href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#a57b8837c93d51f5cf03d3862069d509a" > shaka::media::mp4::Box::WriteHeader< / a > < / div > < div class = "ttdeci" > void WriteHeader(BufferWriter *writer)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d4d/box_8cc_source.html#l00038" > box.cc:38< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1Box_html_aa4e47d0ba81e234707c76ca36e32c1d5" > < div class = "ttname" > < a href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#aa4e47d0ba81e234707c76ca36e32c1d5" > shaka::media::mp4::Box::ComputeSize< / a > < / div > < div class = "ttdeci" > uint32_t ComputeSize()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d4d/box_8cc_source.html#l00050" > box.cc:50< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1Box_html_ad0186e0f9301bd07c52a55a8b1db0419" > < div class = "ttname" > < a href = "../../d1/d2d/structshaka_1_1media_1_1mp4_1_1Box.html#ad0186e0f9301bd07c52a55a8b1db0419" > shaka::media::mp4::Box::box_size< / a > < / div > < div class = "ttdeci" > uint32_t box_size()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d19/box_8h_source.html#l00055" > box.h:55< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1EditList_html" > < div class = "ttname" > < a href = "../../d3/dbe/structshaka_1_1media_1_1mp4_1_1EditList.html" > shaka::media::mp4::EditList< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00216" > box_definitions.h:216< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1FullBox_html_a21cc4d085f650dc18a20a4dd05cb6750" > < div class = "ttname" > < a href = "../../dd/dc1/structshaka_1_1media_1_1mp4_1_1FullBox.html#a21cc4d085f650dc18a20a4dd05cb6750" > shaka::media::mp4::FullBox::HeaderSize< / a > < / div > < div class = "ttdeci" > uint32_t HeaderSize() const final< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d4d/box_8cc_source.html#l00075" > box.cc:75< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1KeyFrameInfo_html" > < div class = "ttname" > < a href = "../../d6/de2/structshaka_1_1media_1_1mp4_1_1KeyFrameInfo.html" > shaka::media::mp4::KeyFrameInfo< / a > < / div > < div class = "ttdoc" > Tracks key frame information.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/dcc/key__frame__info_8h_source.html#l00017" > key_frame_info.h:17< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1MediaData_html" > < div class = "ttname" > < a href = "../../d7/dae/structshaka_1_1media_1_1mp4_1_1MediaData.html" > shaka::media::mp4::MediaData< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00812" > box_definitions.h:812< / a > < / div > < / div >
< div class = "ttc" id = "astructshaka_1_1media_1_1mp4_1_1TrackFragment_html" > < div class = "ttname" > < a href = "../../df/d7b/structshaka_1_1media_1_1mp4_1_1TrackFragment.html" > shaka::media::mp4::TrackFragment< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00757" > box_definitions.h:757< / a > < / div > < / div >
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Generated on Thu Jun 10 2021 21:44:25 for Shaka Packager SDK by  < a href = "https://www.doxygen.org/index.html" > < img class = "footer" src = "../../doxygen.svg" width = "104" height = "31" alt = "doxygen" / > < / a > 1.9.1
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