2015-10-16 00:33:37 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
< meta http-equiv = "X-UA-Compatible" content = "IE=9" / >
< meta name = "generator" content = "Doxygen 1.8.6" / >
< title > DASH Media Packaging SDK: media/formats/mp4/fragmenter.cc Source File< / title >
< link href = "../../tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../jquery.js" > < / script >
< script type = "text/javascript" src = "../../dynsections.js" > < / script >
< link href = "../../search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../search/search.js" > < / script >
< script type = "text/javascript" >
$(document).ready(function() { searchBox.OnSelectItem(0); });
< / script >
< link href = "../../doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
< td style = "padding-left: 0.5em;" >
< div id = "projectname" > DASH Media Packaging SDK
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
< script type = "text/javascript" >
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
< / script >
< div id = "navrow1" class = "tabs" >
< ul class = "tablist" >
< li > < a href = "../../index.html" > < span > Main  Page< / span > < / a > < / li >
< li > < a href = "../../namespaces.html" > < span > Namespaces< / span > < / a > < / li >
< li > < a href = "../../annotated.html" > < span > Classes< / span > < / a > < / li >
< li class = "current" > < a href = "../../files.html" > < span > Files< / span > < / a > < / li >
< li >
< div id = "MSearchBox" class = "MSearchBoxInactive" >
< span class = "left" >
< img id = "MSearchSelect" src = "../../search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
< input type = "text" id = "MSearchField" value = "Search" accesskey = "S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
< / span > < span class = "right" >
< a id = "MSearchClose" href = "javascript:searchBox.CloseResultsWindow()" > < img id = "MSearchCloseImg" border = "0" src = "../../search/close.png" alt = "" / > < / a >
< / span >
< / div >
< / li >
< / ul >
< / div >
< div id = "navrow2" class = "tabs2" >
< ul class = "tablist" >
< li > < a href = "../../files.html" > < span > File  List< / span > < / a > < / li >
< / ul >
< / div >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
2015-10-19 19:22:31 +00:00
< a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(0)" > < span class = "SelectionMark" >   < / span > All< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(1)" > < span class = "SelectionMark" >   < / span > Classes< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(2)" > < span class = "SelectionMark" >   < / span > Namespaces< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(3)" > < span class = "SelectionMark" >   < / span > Functions< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(4)" > < span class = "SelectionMark" >   < / span > Variables< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(5)" > < span class = "SelectionMark" >   < / span > Typedefs< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(6)" > < span class = "SelectionMark" >   < / span > Enumerator< / a > < / div >
2015-10-16 00:33:37 +00:00
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div id = "nav-path" class = "navpath" >
< ul >
< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_3e9291fd7a18fdecc763294cb2628910.html" > mp4< / a > < / li > < / ul >
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > fragmenter.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< 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/fragmenter.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 < limits> < / 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/media/base/buffer_writer.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/box_definitions.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > mp4 {< / 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 = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > const< / span > int64_t kInvalidTime = std::numeric_limits< int64_t> ::max();< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae285aba21b3099fe0d5b9e5236583bc8" > 23< / a > < / span >   < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae285aba21b3099fe0d5b9e5236583bc8" > Fragmenter::Fragmenter< / a > (< a class = "code" href = "../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html" > TrackFragment< / a > * traf)< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   : traf_(traf),< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   fragment_initialized_(false),< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   fragment_finalized_(false),< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   fragment_duration_(0),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   presentation_start_time_(kInvalidTime),< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   earliest_presentation_time_(kInvalidTime),< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   first_sap_time_(kInvalidTime) {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   DCHECK(traf);< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   }< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   Fragmenter::~Fragmenter() {}< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a81d8b1f324bdd2bc9cc2e5a469243926" > 36< / a > < / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a81d8b1f324bdd2bc9cc2e5a469243926" > Fragmenter::AddSample< / a > (scoped_refptr< MediaSample> sample) {< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   DCHECK(sample);< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   CHECK_GT(sample-> duration(), 0);< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > if< / span > (!fragment_initialized_) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > status = < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ab55cbcb40b4c1308d70052a4b8ccd6af" > InitializeFragment< / a > (sample-> dts());< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   }< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // Fill in sample parameters. It will be optimized later.< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   traf_-> runs[0].sample_sizes.push_back(sample-> data_size());< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   traf_-> runs[0].sample_durations.push_back(sample-> duration());< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   traf_-> runs[0].sample_flags.push_back(< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   sample-> is_key_frame() ? 0 : TrackFragmentHeader::kNonKeySampleMask);< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   data_-> AppendArray(sample-> data(), sample-> data_size());< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   fragment_duration_ += sample-> duration();< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   int64_t pts = sample-> pts();< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > // Set |earliest_presentation_time_| to |pts| if |pts| is smaller or if it is< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // not yet initialized (kInvalidTime > pts is always true).< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > if< / span > (earliest_presentation_time_ > pts)< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   earliest_presentation_time_ = pts;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   traf_-> runs[0].sample_composition_time_offsets.push_back(pts - sample-> dts());< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > if< / span > (pts != sample-> dts())< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   traf_-> runs[0].flags |= TrackFragmentRun::kSampleCompTimeOffsetsPresentMask;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   if (sample-> is_key_frame()) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordflow" > if< / span > (first_sap_time_ == kInvalidTime)< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   first_sap_time_ = pts;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   }< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ab55cbcb40b4c1308d70052a4b8ccd6af" > 73< / a > < / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ab55cbcb40b4c1308d70052a4b8ccd6af" > Fragmenter::InitializeFragment< / a > (int64_t first_sample_dts) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   fragment_initialized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   fragment_finalized_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   traf_-> decode_time.decode_time = first_sample_dts;< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   traf_-> runs.clear();< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   traf_-> runs.resize(1);< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   traf_-> runs[0].flags = TrackFragmentRun::kDataOffsetPresentMask;< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   traf_-> header.sample_description_index = 1; < span class = "comment" > // 1-based.< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   traf_-> header.flags = TrackFragmentHeader::kDefaultBaseIsMoofMask |< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   TrackFragmentHeader::kSampleDescriptionIndexPresentMask;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   fragment_duration_ = 0;< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   earliest_presentation_time_ = kInvalidTime;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   first_sap_time_ = kInvalidTime;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   data_.reset(< span class = "keyword" > new< / span > < a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > BufferWriter< / a > ());< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   aux_data_.reset(< span class = "keyword" > new< / span > < a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > BufferWriter< / a > ());< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a5f346308fec8fa24cf47cf7ffd21d741" > 91< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a5f346308fec8fa24cf47cf7ffd21d741" > Fragmenter::FinalizeFragment< / a > () {< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > // Optimize trun box.< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   traf_-> runs[0].sample_count = traf_-> runs[0].sample_sizes.size();< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae51bbd5482783890e9843fd3ca61f2bb" > OptimizeSampleEntries< / a > (& traf_-> runs[0].sample_durations,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   & traf_-> header.default_sample_duration)) {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   traf_-> header.flags |=< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   TrackFragmentHeader::kDefaultSampleDurationPresentMask;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   traf_-> runs[0].flags |= TrackFragmentRun::kSampleDurationPresentMask;< / 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 >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae51bbd5482783890e9843fd3ca61f2bb" > OptimizeSampleEntries< / a > (& traf_-> runs[0].sample_sizes,< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   & traf_-> header.default_sample_size)) {< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   traf_-> header.flags |= TrackFragmentHeader::kDefaultSampleSizePresentMask;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   traf_-> runs[0].flags |= TrackFragmentRun::kSampleSizePresentMask;< / 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 >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae51bbd5482783890e9843fd3ca61f2bb" > OptimizeSampleEntries< / a > (& traf_-> runs[0].sample_flags,< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   & traf_-> header.default_sample_flags)) {< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   traf_-> header.flags |= TrackFragmentHeader::kDefaultSampleFlagsPresentMask;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   traf_-> runs[0].flags |= TrackFragmentRun::kSampleFlagsPresentMask;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   }< / 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 >   fragment_finalized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   fragment_initialized_ = < span class = "keyword" > false< / 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 = "l00118" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a04350ab4d9b2b403d8b150512786b7ec" > 118< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a04350ab4d9b2b403d8b150512786b7ec" > Fragmenter::GenerateSegmentReference< / a > (< a class = "code" href = "../../d4/dce/structedash__packager_1_1media_1_1mp4_1_1SegmentReference.html" > SegmentReference< / a > * reference) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // NOTE: Daisy chain is not supported currently.< / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   reference-> reference_type = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   reference-> subsegment_duration = fragment_duration_;< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   reference-> starts_with_sap = StartsWithSAP();< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordflow" > if< / span > (kInvalidTime == first_sap_time_) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   reference-> sap_type = SegmentReference::TypeUnknown;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   reference-> sap_delta_time = 0;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   reference-> sap_type = SegmentReference::Type1;< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   reference-> sap_delta_time = first_sap_time_ - earliest_presentation_time_;< / 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 >   reference-> earliest_presentation_time = earliest_presentation_time_;< / 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 = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordtype" > bool< / span > Fragmenter::StartsWithSAP() {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   DCHECK(!traf_-> runs.empty());< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   uint32_t start_sample_flag;< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > if< / span > (traf_-> runs[0].flags & TrackFragmentRun::kSampleFlagsPresentMask) {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   DCHECK(!traf_-> runs[0].sample_flags.empty());< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   start_sample_flag = traf_-> runs[0].sample_flags[0];< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   DCHECK(traf_-> header.flags & < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   TrackFragmentHeader::kDefaultSampleFlagsPresentMask);< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   start_sample_flag = traf_-> header.default_sample_flags;< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > (start_sample_flag & TrackFragmentHeader::kNonKeySampleMask) == 0;< / 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" > 147< / span >   } < span class = "comment" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_ae285aba21b3099fe0d5b9e5236583bc8" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae285aba21b3099fe0d5b9e5236583bc8" > edash_packager::media::mp4::Fragmenter::Fragmenter< / a > < / div > < div class = "ttdeci" > Fragmenter(TrackFragment *traf)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00023" > fragmenter.cc:23< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_a04350ab4d9b2b403d8b150512786b7ec" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a04350ab4d9b2b403d8b150512786b7ec" > edash_packager::media::mp4::Fragmenter::GenerateSegmentReference< / a > < / div > < div class = "ttdeci" > void GenerateSegmentReference(SegmentReference *reference)< / div > < div class = "ttdoc" > Fill reference with current fragment information. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00118" > fragmenter.cc:118< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > edash_packager::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00076" > status.h:76< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_ab55cbcb40b4c1308d70052a4b8ccd6af" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ab55cbcb40b4c1308d70052a4b8ccd6af" > edash_packager::media::mp4::Fragmenter::InitializeFragment< / a > < / div > < div class = "ttdeci" > virtual Status InitializeFragment(int64_t first_sample_dts)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00073" > fragmenter.cc:73< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_a81d8b1f324bdd2bc9cc2e5a469243926" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a81d8b1f324bdd2bc9cc2e5a469243926" > edash_packager::media::mp4::Fragmenter::AddSample< / a > < / div > < div class = "ttdeci" > virtual Status AddSample(scoped_refptr< MediaSample > sample)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d9a/fragmenter_8cc_source.html#l00036" > fragmenter.cc:36< / a > < / div > < / div >
2015-12-07 19:37:41 +00:00
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1SegmentReference_html" > < div class = "ttname" > < a href = "../../d4/dce/structedash__packager_1_1media_1_1mp4_1_1SegmentReference.html" > edash_packager::media::mp4::SegmentReference< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00543" > box_definitions.h:543< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_ae51bbd5482783890e9843fd3ca61f2bb" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#ae51bbd5482783890e9843fd3ca61f2bb" > edash_packager::media::mp4::Fragmenter::OptimizeSampleEntries< / a > < / div > < div class = "ttdeci" > bool OptimizeSampleEntries(std::vector< T > *entries, T *default_value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/dd1/fragmenter_8h_source.html#l00090" > fragmenter.h:90< / a > < / div > < / div >
2015-12-07 19:37:41 +00:00
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1TrackFragment_html" > < div class = "ttname" > < a href = "../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html" > edash_packager::media::mp4::TrackFragment< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00522" > box_definitions.h:522< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Fragmenter_html_a5f346308fec8fa24cf47cf7ffd21d741" > < div class = "ttname" > < a href = "../../db/dae/classedash__packager_1_1media_1_1mp4_1_1Fragmenter.html#a5f346308fec8fa24cf47cf7ffd21d741" > edash_packager::media::mp4::Fragmenter::FinalizeFragment< / a > < / div > < div class = "ttdeci" > virtual void 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#l00091" > fragmenter.cc:91< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferWriter_html" > < div class = "ttname" > < a href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > edash_packager::media::BufferWriter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd2/buffer__writer_8h_source.html#l00022" > buffer_writer.h:22< / a > < / div > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2015-12-07 19:37:41 +00:00
Generated on Mon Dec 7 2015 19:37:35 for DASH Media Packaging SDK by   < a href = "http://www.doxygen.org/index.html" >
2015-10-16 00:33:37 +00:00
< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.6
< / small > < / address >
< / body >
< / html >
