2021-04-10 04:00:37 +00:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2018-05-23 23:12:00 +00:00
< 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" / >
2021-06-22 00:16:40 +00:00
< meta name = "generator" content = "Doxygen 1.8.17" / >
2018-05-23 23:12:00 +00:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > Shaka Packager SDK: packager/media/chunking/cue_alignment_handler.cc Source File< / title >
< link href = "../../tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../jquery.js" > < / script >
< script type = "text/javascript" src = "../../dynsections.js" > < / script >
< link href = "../../search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "../../search/searchdata.js" > < / script >
< script type = "text/javascript" src = "../../search/search.js" > < / 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 id = "projectalign" style = "padding-left: 0.5em;" >
< div id = "projectname" > Shaka Packager SDK
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-06-22 00:16:40 +00:00
<!-- Generated by Doxygen 1.8.17 -->
2018-05-23 23:12:00 +00:00
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2021-06-22 00:16:40 +00:00
var searchBox = new SearchBox("searchBox", "../../search",false,'Search');
2021-04-10 04:00:37 +00:00
/* @license-end */
2018-05-23 23:12:00 +00:00
< / script >
< script type = "text/javascript" src = "../../menudata.js" > < / script >
< script type = "text/javascript" src = "../../menu.js" > < / script >
< script type = "text/javascript" >
2021-04-10 04:00:37 +00:00
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2018-05-23 23:12:00 +00:00
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
2021-04-10 04:00:37 +00:00
/* @license-end */< / script >
2018-05-23 23:12:00 +00:00
< div id = "main-nav" > < / div >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< / div >
<!-- 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_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_1338cd99faf71b6cb1609e99e3340e45.html" > chunking< / a > < / li > < / ul >
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > cue_alignment_handler.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
2021-04-10 04:00:37 +00:00
< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2018 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/chunking/cue_alignment_handler.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/status_macros.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "comment" > // The max number of samples that are allowed to be buffered before we shutdown< / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "comment" > // because there is likely a problem with the content or how the pipeline was< / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "comment" > // configured. This is about 20 seconds of buffer for audio with 48kHz.< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kMaxBufferSize = 1000;< / 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 >   int64_t GetScaledTime(< span class = "keyword" > const< / span > StreamInfo& info, < span class = "keyword" > const< / span > StreamData& data) {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   DCHECK(data.text_sample || data.media_sample);< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keywordflow" > if< / span > (data.text_sample) {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keywordflow" > return< / span > data.text_sample-> start_time();< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   }< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keywordflow" > if< / span > (info.stream_type() == kStreamText) {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > // This class does not support splitting MediaSample at cue points, which is< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > // required for text stream. This class expects MediaSample to be converted< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // to TextSample before passing to this class.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   NOTREACHED()< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < < < span class = "stringliteral" > " A text streams should use text samples, not media samples." < / span > ;< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   }< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordflow" > if< / span > (info.stream_type() == kStreamAudio) {< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // Return the mid-point for audio because if the portion of the sample< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "comment" > // after the cue point is bigger than the portion of the sample before< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > // the cue point, the sample is placed after the cue.< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > return< / span > data.media_sample-> pts() + data.media_sample-> duration() / 2;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   }< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   DCHECK_EQ(info.stream_type(), kStreamVideo);< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > return< / span > data.media_sample-> pts();< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   }< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordtype" > double< / span > TimeInSeconds(< span class = "keyword" > const< / span > StreamInfo& info, < span class = "keyword" > const< / span > StreamData& data) {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > const< / span > int64_t scaled_time = GetScaledTime(info, data);< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > const< / span > uint32_t time_scale = info.time_scale();< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (scaled_time) / time_scale;< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   }< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordtype" > double< / span > TextEndTimeInSeconds(< span class = "keyword" > const< / span > StreamInfo& info, < span class = "keyword" > const< / span > StreamData& data) {< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   DCHECK(data.text_sample);< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keyword" > const< / span > int64_t scaled_time = data.text_sample-> EndTime();< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > const< / span > uint32_t time_scale = info.time_scale();< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (scaled_time) / time_scale;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   }< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   Status GetNextCue(< span class = "keywordtype" > double< / span > hint,< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   SyncPointQueue* sync_points,< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   std::shared_ptr< const CueEvent> * out_cue) {< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   DCHECK(sync_points);< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   DCHECK(out_cue);< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   *out_cue = sync_points-> GetNext(hint);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // |*out_cue| will only be null if the job was cancelled.< / span > < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > return< / span > *out_cue ? Status::OK< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   : Status(error::CANCELLED, < span class = "stringliteral" > " SyncPointQueue is cancelled." < / span > );< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   }< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   CueAlignmentHandler::CueAlignmentHandler(SyncPointQueue* sync_points)< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   : sync_points_(sync_points) {}< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   Status CueAlignmentHandler::InitializeInternal() {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   sync_points_-> < a class = "code" href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a84f1c4ad047ffa4bd75d5d1426bf9cd2" > AddThread< / a > ();< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   stream_states_.resize(num_input_streams());< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // Get the first hint for the stream. Use a negative hint so that if there is< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // suppose to be a sync point at zero, we will still respect it.< / span > < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   hint_ = sync_points_-> < a class = "code" href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#aef18f6547ff76cb8c6a5e14270950a59" > GetHint< / a > (-1);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   }< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   Status CueAlignmentHandler::Process(std::unique_ptr< StreamData> data) {< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > switch< / span > (data-> stream_data_type) {< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kStreamInfo:< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > return< / span > OnStreamInfo(std::move(data));< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kTextSample:< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kMediaSample:< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > return< / span > OnSample(std::move(data));< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   VLOG(3) < < < span class = "stringliteral" > " Dropping unsupported data type " < / span > < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < < < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (data-> stream_data_type);< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / 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 >   Status CueAlignmentHandler::OnFlushRequest(< span class = "keywordtype" > size_t< / span > stream_index) {< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   stream_states_[stream_index].to_be_flushed = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // We need to wait for all stream to flush before we can flush each stream.< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // This allows cached buffers to be cleared and cues to be properly< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // synchronized and set on all streams.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > StreamState& stream_state : stream_states_) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > if< / span > (!stream_state.to_be_flushed) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   }< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   }< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "comment" > // Do a once over all the streams to ensure that their states are as we expect< / span > < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "comment" > // them. Video and non-video streams have different allowances here. Video< / span > < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // should absolutely have no cues or samples where as non-video streams may< / span > < / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "comment" > // have cues or samples.< / span > < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > for< / span > (StreamState& stream : stream_states_) {< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   DCHECK(stream.to_be_flushed);< / 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 = "keywordflow" > if< / span > (stream.info-> stream_type() == kStreamVideo) {< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   DCHECK_EQ(stream.samples.size(), 0u)< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < < < span class = "stringliteral" > " Video streams should not store samples" < / span > ;< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   DCHECK_EQ(stream.cues.size(), 0u)< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < < < span class = "stringliteral" > " Video streams should not store cues" < / span > ;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   }< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   }< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > // It is possible that we did not get all the cues. |hint_| will get updated< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "comment" > // when we call |UseNextSyncPoint|.< / span > < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordflow" > while< / span > (sync_points_-> < a class = "code" href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a5d27bfb8e8c3209222352f721f9b5236" > HasMore< / a > (hint_)) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   std::shared_ptr< const CueEvent> next_cue;< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   RETURN_IF_ERROR(GetNextCue(hint_, sync_points_, & next_cue));< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   RETURN_IF_ERROR(UseNewSyncPoint(std::move(next_cue)));< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   }< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "comment" > // Now that there are new cues, it may be possible to dispatch some of the< / span > < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "comment" > // samples that may be left waiting.< / span > < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keywordflow" > for< / span > (StreamState& stream : stream_states_) {< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   RETURN_IF_ERROR(RunThroughSamples(& stream));< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   DCHECK_EQ(stream.samples.size(), 0u);< / 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 = "comment" > // Ignore extra cues at the end, except for text, as they will result in< / span > < / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "comment" > // empty DASH Representations, which is not spec compliant.< / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // For text, if the cue is before the max end time, it will still be< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "comment" > // dispatched as the text samples intercepted by the cue can be split into< / span > < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "comment" > // two at the cue point.< / span > < / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > & cue : stream.cues) {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "comment" > // |max_text_sample_end_time_seconds| is always 0 for non-text samples.< / span > < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > if< / span > (cue-> cue_event-> time_in_seconds < < / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   stream.max_text_sample_end_time_seconds) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(cue)));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   VLOG(1) < < < span class = "stringliteral" > " Ignore extra cue in stream " < / span > < < cue-> stream_index< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < < < span class = "stringliteral" > " with time " < / span > < < cue-> cue_event-> time_in_seconds< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < < < span class = "stringliteral" > " s in the end." < / 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 >   stream.cues.clear();< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   }< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ab644ca7b0a0dbcbc42936f2dfb979ca5" > FlushAllDownstreams< / a > ();< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   }< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   Status CueAlignmentHandler::OnStreamInfo(std::unique_ptr< StreamData> data) {< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   StreamState& stream_state = stream_states_[data-> stream_index];< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < span class = "comment" > // Keep a copy of the stream info so that we can check type and check< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "comment" > // timescale.< / span > < / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   stream_state.info = data-> stream_info;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(data));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   }< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   Status CueAlignmentHandler::OnVideoSample(std::unique_ptr< StreamData> sample) {< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   DCHECK(sample);< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   DCHECK(sample-> media_sample);< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > stream_index = sample-> stream_index;< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   StreamState& stream = stream_states_[stream_index];< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > sample_time = TimeInSeconds(*stream.info, *sample);< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > is_key_frame = sample-> media_sample-> is_key_frame();< / 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 = "keywordflow" > if< / span > (is_key_frame & & sample_time > = hint_) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keyword" > auto< / span > next_sync = sync_points_-> < a class = "code" href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a17af2cb9949f40ee8aa06cfdd55b2c16" > PromoteAt< / a > (sample_time);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "keywordflow" > if< / span > (!next_sync) {< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to promote sync point at " < / span > < < sample_time< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < < < span class = "stringliteral" > " . This happens only if video streams are not GOP-aligned." < / span > ;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordflow" > return< / span > Status(error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "stringliteral" > " Streams are not properly GOP-aligned." < / 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 >   < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   RETURN_IF_ERROR(UseNewSyncPoint(std::move(next_sync)));< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   DCHECK_EQ(stream.cues.size(), 1u);< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream.cues.front())));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   stream.cues.pop_front();< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   }< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(sample));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   }< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   Status CueAlignmentHandler::OnNonVideoSample(< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   std::unique_ptr< StreamData> sample) {< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   DCHECK(sample);< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   DCHECK(sample-> media_sample || sample-> text_sample);< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > stream_index = sample-> stream_index;< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   StreamState& stream_state = stream_states_[stream_index];< / 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 >   < span class = "comment" > // Accept the sample. This will output it if it comes before the hint point or< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "comment" > // will cache it if it comes after the hint point.< / span > < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   RETURN_IF_ERROR(AcceptSample(std::move(sample), & stream_state));< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "comment" > // If all the streams are waiting on a hint, it means that none has next sync< / span > < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "comment" > // point determined. It also means that there are no video streams and we need< / span > < / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "comment" > // to wait for all streams to converge on a hint so that we can get the next< / span > < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "comment" > // sync point.< / span > < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   < span class = "keywordflow" > if< / span > (EveryoneWaitingAtHint()) {< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   std::shared_ptr< const CueEvent> next_sync;< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   RETURN_IF_ERROR(GetNextCue(hint_, sync_points_, & next_sync));< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   RETURN_IF_ERROR(UseNewSyncPoint(next_sync));< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   }< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   Status CueAlignmentHandler::OnSample(std::unique_ptr< StreamData> sample) {< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "comment" > // There are two modes:< / span > < / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < span class = "comment" > // 1. There is a video input.< / span > < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "comment" > // 2. There are no video inputs.< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "comment" > // When there is a video input, we rely on the video input get the next sync< / span > < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "comment" > // point and release all the samples.< / span > < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "comment" > // When there are no video inputs, we rely on the sync point queue to block< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "comment" > // us until there is a sync point.< / span > < / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > stream_index = sample-> stream_index;< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > if< / span > (sample-> text_sample) {< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   StreamState& stream = stream_states_[stream_index];< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   stream.max_text_sample_end_time_seconds =< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   std::max(stream.max_text_sample_end_time_seconds,< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   TextEndTimeInSeconds(*stream.info, *sample));< / 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" > const< / span > StreamType stream_type =< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   stream_states_[stream_index].info-> stream_type();< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > is_video = stream_type == kStreamVideo;< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > return< / span > is_video ? OnVideoSample(std::move(sample))< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   : OnNonVideoSample(std::move(sample));< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   }< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   Status CueAlignmentHandler::UseNewSyncPoint(< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   std::shared_ptr< const CueEvent> new_sync) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   hint_ = sync_points_-> < a class = "code" href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#aef18f6547ff76cb8c6a5e14270950a59" > GetHint< / a > (new_sync-> time_in_seconds);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   DCHECK_GT(hint_, new_sync-> time_in_seconds);< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > stream_index = 0; stream_index < stream_states_.size();< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   stream_index++) {< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   StreamState& stream = stream_states_[stream_index];< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   stream.cues.push_back(StreamData::FromCueEvent(stream_index, new_sync));< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   RETURN_IF_ERROR(RunThroughSamples(& stream));< / 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 >   < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   }< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordtype" > bool< / span > CueAlignmentHandler::EveryoneWaitingAtHint()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > StreamState& stream_state : stream_states_) {< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > if< / span > (stream_state.samples.empty()) {< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   }< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   }< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   }< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   Status CueAlignmentHandler::AcceptSample(std::unique_ptr< StreamData> sample,< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   StreamState* stream) {< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   DCHECK(sample);< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   DCHECK(sample-> media_sample || sample-> text_sample);< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   DCHECK(stream);< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "comment" > // Need to cache the stream index as we will lose the pointer when we add< / span > < / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "comment" > // the sample to the queue.< / span > < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > stream_index = sample-> stream_index;< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   stream-> samples.push_back(std::move(sample));< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "keywordflow" > if< / span > (stream-> samples.size() > kMaxBufferSize) {< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Stream " < / span > < < stream_index < < < span class = "stringliteral" > " has buffered " < / span > < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < < stream-> samples.size() < < < span class = "stringliteral" > " when the max is " < / span > < / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < < kMaxBufferSize;< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > return< / span > Status(error::INVALID_ARGUMENT,< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "stringliteral" > " Streams are not properly multiplexed." < / span > );< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   }< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > return< / span > RunThroughSamples(stream);< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   }< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   Status CueAlignmentHandler::RunThroughSamples(StreamState* stream) {< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "comment" > // Step through all our samples until we find where we can insert the cue.< / span > < / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "comment" > // Think of this as a merge sort.< / span > < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordflow" > while< / span > (stream-> cues.size() & & stream-> samples.size()) {< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > cue_time = stream-> cues.front()-> cue_event-> time_in_seconds;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > sample_time =< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   TimeInSeconds(*stream-> info, *stream-> samples.front());< / 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 >   < span class = "keywordflow" > if< / span > (sample_time < cue_time) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream-> samples.front())));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   stream-> samples.pop_front();< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   } < span class = "keywordflow" > else< / span > {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream-> cues.front())));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   stream-> cues.pop_front();< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   }< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   }< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "comment" > // If we still have samples, then it means that we sent out the cue and can< / span > < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // now work up to the hint. So now send all samples that come before the hint< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "comment" > // downstream.< / span > < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > while< / span > (stream-> samples.size() & & < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   TimeInSeconds(*stream-> info, *stream-> samples.front()) < hint_) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   RETURN_IF_ERROR(< a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > Dispatch< / a > (std::move(stream-> samples.front())));< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   stream-> samples.pop_front();< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   }< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   }< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2018-05-23 23:12:00 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1SyncPointQueue_html_a5d27bfb8e8c3209222352f721f9b5236" > < div class = "ttname" > < a href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a5d27bfb8e8c3209222352f721f9b5236" > shaka::media::SyncPointQueue::HasMore< / a > < / div > < div class = "ttdeci" > bool HasMore(double hint_in_seconds) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d52/sync__point__queue_8cc_source.html#l00090" > sync_point_queue.cc:90< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_afe98a4fd19eabe0fc78afc91959c34a6" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#afe98a4fd19eabe0fc78afc91959c34a6" > shaka::media::MediaHandler::Dispatch< / a > < / div > < div class = "ttdeci" > Status Dispatch(std::unique_ptr< StreamData > stream_data) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00094" > media_handler.cc:94< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaHandler_html_ab644ca7b0a0dbcbc42936f2dfb979ca5" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ab644ca7b0a0dbcbc42936f2dfb979ca5" > shaka::media::MediaHandler::FlushAllDownstreams< / a > < / div > < div class = "ttdeci" > Status FlushAllDownstreams()< / div > < div class = "ttdoc" > Flush all connected downstream handlers.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00114" > media_handler.cc:114< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1SyncPointQueue_html_a17af2cb9949f40ee8aa06cfdd55b2c16" > < div class = "ttname" > < a href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a17af2cb9949f40ee8aa06cfdd55b2c16" > shaka::media::SyncPointQueue::PromoteAt< / a > < / div > < div class = "ttdeci" > std::shared_ptr< const CueEvent > PromoteAt(double time_in_seconds)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d52/sync__point__queue_8cc_source.html#l00084" > sync_point_queue.cc:84< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1SyncPointQueue_html_aef18f6547ff76cb8c6a5e14270950a59" > < div class = "ttname" > < a href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#aef18f6547ff76cb8c6a5e14270950a59" > shaka::media::SyncPointQueue::GetHint< / a > < / div > < div class = "ttdeci" > double GetHint(double time_in_seconds)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d52/sync__point__queue_8cc_source.html#l00038" > sync_point_queue.cc:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1SyncPointQueue_html_a84f1c4ad047ffa4bd75d5d1426bf9cd2" > < div class = "ttname" > < a href = "../../d0/dea/classshaka_1_1media_1_1SyncPointQueue.html#a84f1c4ad047ffa4bd75d5d1426bf9cd2" > shaka::media::SyncPointQueue::AddThread< / a > < / div > < div class = "ttdeci" > void AddThread()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d52/sync__point__queue_8cc_source.html#l00025" > sync_point_queue.cc:25< / a > < / div > < / div >
2018-05-23 23:12:00 +00:00
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
2021-06-22 00:16:40 +00:00
Generated on Tue Jun 22 2021 00:16:04 for Shaka Packager SDK by   < a href = "http://www.doxygen.org/index.html" >
< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.17
2018-05-23 23:12:00 +00:00
< / small > < / address >
< / body >
< / html >
