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/box_reader.h 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)">
2016-05-11 18:03:07 +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 > Enumerations< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(7)" > < 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" > box_reader.h< / 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 (c) 2012 The Chromium Authors. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style license that can be< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // found in the LICENSE file.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "preprocessor" > #ifndef MEDIA_FORMATS_MP4_BOX_READER_H_< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define MEDIA_FORMATS_MP4_BOX_READER_H_< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > #include < map> < / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < vector> < / 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/compiler_specific.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_reader.h" < / span > < / div >
2016-04-12 21:32:58 +00:00
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/base/fourccs.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/rcheck.h" < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > mp4 {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > struct < / span > Box;< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > 24< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html" > BufferReader< / a > {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   ~< a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > ();< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > static< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > * < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a029ef2fe387071143c42f50ffd1a16b5" > ReadTopLevelBox< / a > (< span class = "keyword" > const< / span > uint8_t* buf,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > buf_size,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > bool< / span > * err);< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a61fc23759071d1445b81cbcc9564c6a4" > StartTopLevelBox< / a > (< span class = "keyword" > const< / span > uint8_t* buf,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > buf_size,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   FourCC* type,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   uint64_t* box_size,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordtype" > bool< / span > * err) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a8505220e522a9b74a1f40adf3a84d29f" > IsValidTopLevelBox< / a > (< span class = "keyword" > const< / span > FourCC& type);< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a6c660acb6864f70ee1125c3f4c809e02" > ScanChildren< / a > () WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a5bc71875b0e8fe70cba17e2fe6f974fa" > ChildExist< / a > (< a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html" > Box< / a > * child) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a480fdd0a597a8b77f7613abb2e8f5629" > ReadChild< / a > (< a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html" > Box< / a > * child) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#ae697ff0b40b4aa9feecb45d303f8f6bc" > TryReadChild< / a > (< a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html" > Box< / a > * child) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3" > ReadChildren< / a > (std::vector< T> * children) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a" > TryReadChildren< / a > (std::vector< T> * children) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615" > ReadAllChildren< / a > (std::vector< T> * children) WARN_UNUSED_RESULT;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordtype" > bool< / span > ReadFourCC(FourCC* fourcc) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   uint32_t val;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "keywordflow" > if< / span > (!Read4(& val))< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   *fourcc = < span class = "keyword" > static_cast< < / span > FourCC< span class = "keyword" > > < / span > (val);< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   }< / 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 >   FourCC type()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > type_; }< / 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 = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > (< span class = "keyword" > const< / span > uint8_t* buf, < span class = "keywordtype" > size_t< / span > size);< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // Must be called immediately after init. If the return is false, this< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > // indicates that the box header and its contents were not available in the< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // stream or were nonsensical, and that the box must not be used further. In< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // this case, if |*err| is false, the problem was simply a lack of data, and< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "comment" > // should only be an error condition if some higher-level component knows that< / span > < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "comment" > // no more data is coming (i.e. EOS or end of containing box). If |*err| is< / span > < / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // true, the error is unrecoverable and the stream should be aborted.< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordtype" > bool< / span > ReadHeader(< span class = "keywordtype" > bool< / span > * err);< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   FourCC type_;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keyword" > typedef< / span > std::multimap< FourCC, BoxReader*> ChildMap;< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "comment" > // The set of child box FourCCs and their corresponding buffer readers. Only< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // valid if scanned_ is true.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   ChildMap children_;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordtype" > bool< / span > scanned_;< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   DISALLOW_COPY_AND_ASSIGN(< a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > );< / 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 >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > // Template definitions.< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3" > 133< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3" > BoxReader::ReadChildren< / a > (std::vector< T> * children) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   RCHECK(< a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a" > TryReadChildren< / a > (children) & & !children-> empty());< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / 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 >   < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a" > 139< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a" > BoxReader::TryReadChildren< / a > (std::vector< T> * children) {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   DCHECK(scanned_);< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   DCHECK(children-> empty());< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   children-> resize(1);< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   FourCC child_type = (*children)[0].BoxType();< / 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 >   ChildMap::iterator start_itr = children_.lower_bound(child_type);< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   ChildMap::iterator end_itr = children_.upper_bound(child_type);< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   children-> resize(std::distance(start_itr, end_itr));< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keyword" > typename< / span > std::vector< T> ::iterator child_itr = children-> begin();< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keywordflow" > for< / span > (ChildMap::iterator itr = start_itr; itr != end_itr; ++itr) {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   RCHECK(child_itr-> Parse(itr-> second));< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keyword" > delete< / span > itr-> second;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   ++child_itr;< / 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 >   children_.erase(start_itr, end_itr);< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   DVLOG(2) < < < span class = "stringliteral" > " Found " < / span > < < children-> size() < < < span class = "stringliteral" > " " < / span > < < FourCCToString(child_type)< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < < < span class = "stringliteral" > " boxes." < / span > ;< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   }< / 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 = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615" > 163< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615" > BoxReader::ReadAllChildren< / a > (std::vector< T> * children) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   DCHECK(!scanned_);< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   scanned_ = < span class = "keyword" > true< / span > ;< / 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 >   < span class = "keywordflow" > while< / span > (pos() < size()) {< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < a class = "code" href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > BoxReader< / a > child_reader(& data()[pos()], size() - pos());< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keywordtype" > bool< / span > err;< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "keywordflow" > if< / span > (!child_reader.ReadHeader(& err))< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   T child;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   RCHECK(child.Parse(& child_reader));< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   children-> push_back(child);< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   RCHECK(< a class = "code" href = "../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html#a2b7075e5a47a823b9f66c0ba702f26bf" > SkipBytes< / a > (child_reader.size()));< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   }< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   }< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   } < span class = "comment" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "preprocessor" > #endif // MEDIA_FORMATS_MP4_BOX_READER_H_< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a7ce20788aedb0c790e09b83954545ed3" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a7ce20788aedb0c790e09b83954545ed3" > edash_packager::media::mp4::BoxReader::ReadChildren< / a > < / div > < div class = "ttdeci" > bool ReadChildren(std::vector< T > *children) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d92/box__reader_8h_source.html#l00133" > box_reader.h:133< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a480fdd0a597a8b77f7613abb2e8f5629" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a480fdd0a597a8b77f7613abb2e8f5629" > edash_packager::media::mp4::BoxReader::ReadChild< / a > < / div > < div class = "ttdeci" > bool ReadChild(Box *child) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00123" > box_reader.cc:123< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a029ef2fe387071143c42f50ffd1a16b5" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a029ef2fe387071143c42f50ffd1a16b5" > edash_packager::media::mp4::BoxReader::ReadTopLevelBox< / a > < / div > < div class = "ttdeci" > static BoxReader * ReadTopLevelBox(const uint8_t *buf, const size_t buf_size, bool *err)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00037" > box_reader.cc:37< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_ae697ff0b40b4aa9feecb45d303f8f6bc" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#ae697ff0b40b4aa9feecb45d303f8f6bc" > edash_packager::media::mp4::BoxReader::TryReadChild< / a > < / div > < div class = "ttdeci" > bool TryReadChild(Box *child) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00140" > box_reader.cc:140< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a5bc71875b0e8fe70cba17e2fe6f974fa" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a5bc71875b0e8fe70cba17e2fe6f974fa" > edash_packager::media::mp4::BoxReader::ChildExist< / a > < / div > < div class = "ttdeci" > bool ChildExist(Box *child) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00136" > box_reader.cc:136< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a8505220e522a9b74a1f40adf3a84d29f" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a8505220e522a9b74a1f40adf3a84d29f" > edash_packager::media::mp4::BoxReader::IsValidTopLevelBox< / a > < / div > < div class = "ttdeci" > static bool IsValidTopLevelBox(const FourCC & type)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00078" > box_reader.cc:78< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a6c660acb6864f70ee1125c3f4c809e02" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a6c660acb6864f70ee1125c3f4c809e02" > edash_packager::media::mp4::BoxReader::ScanChildren< / a > < / div > < div class = "ttdeci" > bool ScanChildren() WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00103" > box_reader.cc:103< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a61fc23759071d1445b81cbcc9564c6a4" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a61fc23759071d1445b81cbcc9564c6a4" > edash_packager::media::mp4::BoxReader::StartTopLevelBox< / a > < / div > < div class = "ttdeci" > static bool StartTopLevelBox(const uint8_t *buf, const size_t buf_size, FourCC *type, uint64_t *box_size, bool *err) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/df1/box__reader_8cc_source.html#l00060" > box_reader.cc:60< / a > < / div > < / div >
2015-12-22 23:44:25 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferReader_html_a2b7075e5a47a823b9f66c0ba702f26bf" > < div class = "ttname" > < a href = "../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html#a2b7075e5a47a823b9f66c0ba702f26bf" > edash_packager::media::BufferReader::SkipBytes< / a > < / div > < div class = "ttdeci" > bool SkipBytes(size_t num_bytes) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dbc/buffer__reader_8cc_source.html#l00065" > buffer_reader.cc:65< / a > < / div > < / div >
2015-12-21 18:49:12 +00:00
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1Box_html" > < div class = "ttname" > < a href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html" > edash_packager::media::mp4::Box< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d19/box_8h_source.html#l00027" > box.h:27< / a > < / div > < / div >
2015-12-22 23:44:25 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferReader_html" > < div class = "ttname" > < a href = "../../d9/d46/classedash__packager_1_1media_1_1BufferReader.html" > edash_packager::media::BufferReader< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d3e/buffer__reader_8h_source.html#l00023" > buffer_reader.h:23< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_abe53f02532597d3bd76dc46820aa0615" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#abe53f02532597d3bd76dc46820aa0615" > edash_packager::media::mp4::BoxReader::ReadAllChildren< / a > < / div > < div class = "ttdeci" > bool ReadAllChildren(std::vector< T > *children) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d92/box__reader_8h_source.html#l00163" > box_reader.h:163< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html_a1e30404fe509e750023ae39a093b4e6a" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html#a1e30404fe509e750023ae39a093b4e6a" > edash_packager::media::mp4::BoxReader::TryReadChildren< / a > < / div > < div class = "ttdeci" > bool TryReadChildren(std::vector< T > *children) WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d92/box__reader_8h_source.html#l00139" > box_reader.h:139< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1BoxReader_html" > < div class = "ttname" > < a href = "../../db/d6c/classedash__packager_1_1media_1_1mp4_1_1BoxReader.html" > edash_packager::media::mp4::BoxReader< / a > < / div > < div class = "ttdoc" > Class for reading MP4 boxes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d92/box__reader_8h_source.html#l00024" > box_reader.h:24< / a > < / div > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2016-05-12 18:38:25 +00:00
Generated on Thu May 12 2016 18:38:17 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 >
