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/base/producer_consumer_queue.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_c6ada2450b25ab5438a4dba6c9b890af.html" > base< / a > < / li > < / ul >
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > producer_consumer_queue.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 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" > #ifndef MEDIA_BASE_PRODUCER_CONSUMER_QUEUE_H_< / span > < / div >
2015-10-19 17:27:30 +00:00
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define MEDIA_BASE_PRODUCER_CONSUMER_QUEUE_H_< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > < / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include < deque> < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/strings/stringprintf.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/synchronization/condition_variable.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/base/synchronization/lock.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/base/timer/elapsed_timer.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/status.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > media {< / 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" > static< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kUnlimitedCapacity = 0u;< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > static< / span > < span class = "keyword" > const< / span > int64_t kInfiniteTimeout = -1;< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > 28< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > ProducerConsumerQueue< / a > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > public< / span > :< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keyword" > explicit< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > ProducerConsumerQueue< / a > (< span class = "keywordtype" > size_t< / span > capacity);< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > ProducerConsumerQueue< / a > (< span class = "keywordtype" > size_t< / span > capacity, < span class = "keywordtype" > size_t< / span > starting_pos);< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   ~< a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > ProducerConsumerQueue< / a > ();< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a6eaf80daa8c96b0157f5fcd9763dbec1" > Push< / a > (< span class = "keyword" > const< / span > T& element, int64_t timeout_ms);< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a935e9ddee232be82d224c9b81b3b4f88" > Pop< / a > (T* element, int64_t timeout_ms);< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a92d6cca0ecfb54f6edf9a0408305e9cd" > Peek< / a > (< span class = "keywordtype" > size_t< / span > pos, T* element, int64_t timeout_ms);< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ac600977b708381facf07f87e36b43d79" > 79< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ac600977b708381facf07f87e36b43d79" > Stop< / a > () {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   stop_requested_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   not_empty_cv_.Broadcast();< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   not_full_cv_.Broadcast();< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   new_element_cv_.Broadcast();< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   }< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad20705b713d6b5ded3312d800740b7ff" > 88< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad20705b713d6b5ded3312d800740b7ff" > Empty< / a > ()< span class = "keyword" > const < / span > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > return< / span > q_.empty();< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   }< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a4f2483c665f2693f583e7b467101d844" > 94< / a > < / span >   < span class = "keywordtype" > size_t< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a4f2483c665f2693f583e7b467101d844" > Size< / a > ()< span class = "keyword" > const < / span > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > return< / span > q_.size();< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a0c5d10a81c6b9e6db8b8d6b61baf1902" > 101< / a > < / span >   < span class = "keywordtype" > size_t< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a0c5d10a81c6b9e6db8b8d6b61baf1902" > HeadPos< / a > ()< span class = "keyword" > const < / span > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > return< / span > head_pos_;< / 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 >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a8a48278d994c0c170b408191d7d994b7" > 108< / a > < / span >   < span class = "keywordtype" > size_t< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a8a48278d994c0c170b408191d7d994b7" > TailPos< / a > ()< span class = "keyword" > const < / span > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > return< / span > head_pos_ + q_.size() - 1;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   }< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a3d88bdebfa412f2847f1d96fd804bba1" > 115< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a3d88bdebfa412f2847f1d96fd804bba1" > Stopped< / a > ()< span class = "keyword" > const < / span > {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > return< / span > stop_requested_;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   }< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "comment" > // Move head_pos_ to center on pos.< / span > < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordtype" > void< / span > SlideHeadOnCenter(< span class = "keywordtype" > size_t< / span > pos);< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > capacity_; < span class = "comment" > // Maximum number of elements; zero means unlimited.< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keyword" > mutable< / span > base::Lock lock_; < span class = "comment" > // Lock protecting all other variables below.< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordtype" > size_t< / span > head_pos_; < span class = "comment" > // Head position.< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   std::deque< T> q_; < span class = "comment" > // Internal queue holding the elements.< / span > < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   base::ConditionVariable not_empty_cv_;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   base::ConditionVariable not_full_cv_;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   base::ConditionVariable new_element_cv_;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordtype" > bool< / span > stop_requested_; < span class = "comment" > // True after Stop has been called.< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   DISALLOW_COPY_AND_ASSIGN(< a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > ProducerConsumerQueue< / a > );< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / 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 >   < span class = "comment" > // Implementations of non-inline functions.< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > 138< / a > < / span >   < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > ProducerConsumerQueue< T> ::ProducerConsumerQueue< / a > (< span class = "keywordtype" > size_t< / span > capacity)< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   : capacity_(capacity),< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   head_pos_(0),< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   not_empty_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   not_full_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   new_element_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   stop_requested_(false) {}< / 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 >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a80ff75afdbbf7f567dcb57a755542ffc" > 147< / a > < / span >   < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > ProducerConsumerQueue< T> ::ProducerConsumerQueue< / a > (< span class = "keywordtype" > size_t< / span > capacity,< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordtype" > size_t< / span > starting_pos)< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   : capacity_(capacity),< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   head_pos_(starting_pos),< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   not_empty_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   not_full_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   new_element_cv_(& lock_),< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   stop_requested_(false) {< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / 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 >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > ProducerConsumerQueue< T> ::~ProducerConsumerQueue< / a > () {}< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a6eaf80daa8c96b0157f5fcd9763dbec1" > 161< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a6eaf80daa8c96b0157f5fcd9763dbec1" > ProducerConsumerQueue< T> ::Push< / a > (< span class = "keyword" > const< / span > T& element, int64_t timeout_ms) {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordtype" > bool< / span > woken = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "comment" > // Check for queue shutdown.< / span > < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keywordflow" > if< / span > (stop_requested_)< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::STOPPED, < span class = "stringliteral" > " " < / span > );< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   base::ElapsedTimer timer;< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   base::TimeDelta timeout_delta = base::TimeDelta::FromMilliseconds(timeout_ms);< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordflow" > if< / span > (capacity_) {< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > while< / span > (q_.size() == capacity_) {< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > if< / span > (timeout_ms < 0) {< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // Wait forever, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   not_full_cv_.Wait();< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   base::TimeDelta elapsed = timer.Elapsed();< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keywordflow" > if< / span > (elapsed < timeout_delta) {< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // Wait with timeout, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   not_full_cv_.TimedWait(timeout_delta - elapsed);< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "comment" > // We' re through waiting.< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::TIME_OUT, < span class = "stringliteral" > " Time out on pushing." < / span > );< / div >
2015-10-16 00:33:37 +00:00
< 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 >   }< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // Re-check for queue shutdown after waking from Wait.< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > if< / span > (stop_requested_)< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::STOPPED, < span class = "stringliteral" > " " < / span > );< / div >
2015-10-16 00:33:37 +00:00
< 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 >   woken = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   }< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   DCHECK_LT(q_.size(), capacity_);< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   }< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "comment" > // Signal consumer to proceed if we are going to create some elements.< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > if< / span > (q_.empty())< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   not_empty_cv_.Signal();< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   new_element_cv_.Signal();< / 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 >   q_.push_back(element);< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "comment" > // Signal other producers if we just acquired more capacity.< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > if< / span > (woken & & q_.size() != capacity_)< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   not_full_cv_.Signal();< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   }< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a935e9ddee232be82d224c9b81b3b4f88" > 210< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a935e9ddee232be82d224c9b81b3b4f88" > ProducerConsumerQueue< T> ::Pop< / a > (T* element, int64_t timeout_ms) {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordtype" > bool< / span > woken = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   base::ElapsedTimer timer;< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   base::TimeDelta timeout_delta = base::TimeDelta::FromMilliseconds(timeout_ms);< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordflow" > while< / span > (q_.empty()) {< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordflow" > if< / span > (stop_requested_)< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::STOPPED, < span class = "stringliteral" > " " < / span > );< / div >
2015-10-16 00:33:37 +00:00
< 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 >   < span class = "keywordflow" > if< / span > (timeout_ms < 0) {< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "comment" > // Wait forever, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   not_empty_cv_.Wait();< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   base::TimeDelta elapsed = timer.Elapsed();< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > if< / span > (elapsed < timeout_delta) {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "comment" > // Wait with timeout, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   not_empty_cv_.TimedWait(timeout_delta - elapsed);< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "comment" > // We' re through waiting.< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::TIME_OUT, < span class = "stringliteral" > " Time out on popping." < / span > );< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   }< / 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 >   woken = < span class = "keyword" > true< / span > ;< / 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 >   < span class = "comment" > // Signal producer to proceed if we are going to create some capacity.< / span > < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordflow" > if< / span > (q_.size() == capacity_)< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   not_full_cv_.Signal();< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   *element = q_.front();< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   q_.pop_front();< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   ++head_pos_;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // Signal other consumers if we have more elements.< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > if< / span > (woken & & !q_.empty())< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   not_empty_cv_.Signal();< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   }< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > < a class = "line" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a92d6cca0ecfb54f6edf9a0408305e9cd" > 252< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a92d6cca0ecfb54f6edf9a0408305e9cd" > ProducerConsumerQueue< T> ::Peek< / a > (< span class = "keywordtype" > size_t< / span > pos,< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   T* element,< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   int64_t timeout_ms) {< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   base::AutoLock l(lock_);< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > if< / span > (pos < head_pos_) {< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   base::StringPrintf(< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "stringliteral" > " pos (%zu) is too small; head is at %zu." < / span > , pos, head_pos_));< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   }< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < span class = "keywordtype" > bool< / span > woken = < span class = "keyword" > false< / 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 >   base::ElapsedTimer timer;< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   base::TimeDelta timeout_delta = base::TimeDelta::FromMilliseconds(timeout_ms);< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   < / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "comment" > // Move head to create some space (move the sliding window centered @ pos).< / span > < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   SlideHeadOnCenter(pos);< / 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 >   < span class = "keywordflow" > while< / span > (pos > = head_pos_ + q_.size()) {< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordflow" > if< / span > (stop_requested_)< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::STOPPED, < span class = "stringliteral" > " " < / span > );< / div >
2015-10-16 00:33:37 +00:00
< 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 >   < span class = "keywordflow" > if< / span > (timeout_ms < 0) {< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "comment" > // Wait forever, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   new_element_cv_.Wait();< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   base::TimeDelta elapsed = timer.Elapsed();< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   < span class = "keywordflow" > if< / span > (elapsed < timeout_delta) {< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "comment" > // Wait with timeout, or until Stop.< / span > < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   new_element_cv_.TimedWait(timeout_delta - elapsed);< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < span class = "comment" > // We' re through waiting.< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::TIME_OUT, < span class = "stringliteral" > " Time out on peeking." < / span > );< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   }< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   }< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "comment" > // Move head to create some space (move the sliding window centered @ pos).< / span > < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   SlideHeadOnCenter(pos);< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   woken = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   }< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   *element = q_[pos - head_pos_];< / 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" > // Signal other consumers if we have more elements.< / span > < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordflow" > if< / span > (woken & & !q_.empty())< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   new_element_cv_.Signal();< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   }< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "keyword" > template< / span > < < span class = "keyword" > class< / span > T> < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > ProducerConsumerQueue< T> ::SlideHeadOnCenter< / a > (< span class = "keywordtype" > size_t< / span > pos) {< / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   lock_.AssertAcquired();< / 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 >   < span class = "keywordflow" > if< / span > (capacity_) {< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "comment" > // Signal producer to proceed if we are going to create some capacity.< / span > < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordflow" > if< / span > (q_.size() == capacity_ & & pos > head_pos_ + capacity_ / 2)< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   not_full_cv_.Signal();< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordflow" > while< / span > (!q_.empty() & & pos > head_pos_ + capacity_ / 2) {< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   ++head_pos_;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   q_.pop_front();< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   }< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   }< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   } < span class = "comment" > // namespace media< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2015-10-16 00:33:37 +00:00
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "preprocessor" > #endif // MEDIA_BASE_PRODUCER_CONSUMER_QUEUE_H_< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a92d6cca0ecfb54f6edf9a0408305e9cd" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a92d6cca0ecfb54f6edf9a0408305e9cd" > shaka::media::ProducerConsumerQueue::Peek< / a > < / div > < div class = "ttdeci" > Status Peek(size_t pos, T *element, int64_t timeout_ms)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00252" > producer_consumer_queue.h:252< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_ac600977b708381facf07f87e36b43d79" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ac600977b708381facf07f87e36b43d79" > shaka::media::ProducerConsumerQueue::Stop< / a > < / div > < div class = "ttdeci" > void Stop()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00079" > producer_consumer_queue.h:79< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a3d88bdebfa412f2847f1d96fd804bba1" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a3d88bdebfa412f2847f1d96fd804bba1" > shaka::media::ProducerConsumerQueue::Stopped< / a > < / div > < div class = "ttdeci" > bool Stopped() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00115" > producer_consumer_queue.h:115< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html" > shaka::media::ProducerConsumerQueue< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00028" > producer_consumer_queue.h:28< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a8a48278d994c0c170b408191d7d994b7" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a8a48278d994c0c170b408191d7d994b7" > shaka::media::ProducerConsumerQueue::TailPos< / a > < / div > < div class = "ttdeci" > size_t TailPos() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00108" > producer_consumer_queue.h:108< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a4f2483c665f2693f583e7b467101d844" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a4f2483c665f2693f583e7b467101d844" > shaka::media::ProducerConsumerQueue::Size< / a > < / div > < div class = "ttdeci" > size_t Size() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00094" > producer_consumer_queue.h:94< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_ad20705b713d6b5ded3312d800740b7ff" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad20705b713d6b5ded3312d800740b7ff" > shaka::media::ProducerConsumerQueue::Empty< / a > < / div > < div class = "ttdeci" > bool Empty() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00088" > producer_consumer_queue.h:88< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a0c5d10a81c6b9e6db8b8d6b61baf1902" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a0c5d10a81c6b9e6db8b8d6b61baf1902" > shaka::media::ProducerConsumerQueue::HeadPos< / a > < / div > < div class = "ttdeci" > size_t HeadPos() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00101" > producer_consumer_queue.h:101< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a935e9ddee232be82d224c9b81b3b4f88" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a935e9ddee232be82d224c9b81b3b4f88" > shaka::media::ProducerConsumerQueue::Pop< / a > < / div > < div class = "ttdeci" > Status Pop(T *element, int64_t timeout_ms)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00210" > producer_consumer_queue.h:210< / a > < / div > < / div >
2017-03-27 19:39:08 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00088" > status.h:88< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_a6eaf80daa8c96b0157f5fcd9763dbec1" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#a6eaf80daa8c96b0157f5fcd9763dbec1" > shaka::media::ProducerConsumerQueue::Push< / a > < / div > < div class = "ttdeci" > Status Push(const T & element, int64_t timeout_ms)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00161" > producer_consumer_queue.h:161< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ProducerConsumerQueue_html_ad7ccb149baa88e5f8356be18344d2baf" > < div class = "ttname" > < a href = "../../d5/d33/classshaka_1_1media_1_1ProducerConsumerQueue.html#ad7ccb149baa88e5f8356be18344d2baf" > shaka::media::ProducerConsumerQueue::ProducerConsumerQueue< / a > < / div > < div class = "ttdeci" > ProducerConsumerQueue(size_t capacity)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d15/producer__consumer__queue_8h_source.html#l00138" > producer_consumer_queue.h:138< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2017-05-15 16:24:34 +00:00
Generated on Mon May 15 2017 16:24:28 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 >
