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">
2015-12-15 20:37:40 +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" / >
2018-02-10 23:37:42 +00:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
2017-09-20 02:35:05 +00:00
< title > Shaka Packager SDK: packager/media/formats/webm/segmenter.cc Source File< / title >
2015-12-15 20:37:40 +00:00
< 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" / >
2018-02-10 23:37:42 +00:00
< script type = "text/javascript" src = "../../search/searchdata.js" > < / script >
2015-12-15 20:37:40 +00:00
< 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;" >
2018-02-10 23:37:42 +00:00
< td id = "projectalign" style = "padding-left: 0.5em;" >
2017-09-20 02:35:05 +00:00
< div id = "projectname" > Shaka Packager SDK
2015-12-15 20:37:40 +00:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-06-22 00:16:40 +00:00
<!-- Generated by Doxygen 1.8.17 -->
2015-12-15 20:37:40 +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 */
2015-12-15 20:37:40 +00:00
< / script >
2018-02-10 23:37:42 +00:00
< 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 */
2018-02-10 23:37:42 +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 >
2018-02-10 23:37:42 +00:00
< div id = "main-nav" > < / div >
2015-12-15 20:37:40 +00:00
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
2018-02-10 23:37:42 +00:00
< / div >
2015-12-15 20:37:40 +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 >
2017-09-20 02:35:05 +00:00
< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_b23f8e22c8c095d1c8c0cb8f88104a00.html" > webm< / a > < / li > < / ul >
2015-12-15 20:37:40 +00:00
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > segmenter.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 2015 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/segmenter.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/base/time/time.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/base/audio_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/media_handler.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/muxer_options.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/base/muxer_util.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/video_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/codecs/vp_codec_configuration_record.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/event/muxer_listener.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/event/progress_listener.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/encryptor.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/webm_constants.h" < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/third_party/libwebm/src/mkvmuxerutil.hpp" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " packager/third_party/libwebm/src/webmids.hpp" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "preprocessor" > #include " packager/version/version.h" < / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > using< / span > mkvmuxer::AudioTrack;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > using< / span > mkvmuxer::VideoTrack;< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "keyword" > namespace < / span > webm {< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keyword" > const< / span > int64_t kTimecodeScale = 1000000;< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keyword" > const< / span > int64_t kSecondsToNs = 1000000000L;< / 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 = "comment" > // Round to closest integer.< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   uint64_t Round(< span class = "keywordtype" > double< / span > value) {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > uint64_t< span class = "keyword" > > < / span > (value + 0.5);< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   }< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > // There are three different kinds of timestamp here:< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // (1) ISO-BMFF timestamp (seconds scaled by ISO-BMFF timescale)< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // This is used in our MediaSample and StreamInfo structures.< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > // (2) WebM timecode (seconds scaled by kSecondsToNs / WebM timecode scale)< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > // This is used in most WebM structures.< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > // (3) Nanoseconds (seconds scaled by kSecondsToNs)< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > // This is used in some WebM structures, e.g. Frame.< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // We use Nanoseconds as intermediate format here for conversion, in< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // uint64_t/int64_t, which is sufficient to represent a time as large as 292< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // years.< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   uint64_t BmffTimestampToNs(uint64_t timestamp, uint64_t time_scale) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > // Casting to double is needed otherwise kSecondsToNs * timestamp may overflow< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "comment" > // uint64_t/int64_t.< / span > < / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > return< / span > Round(< span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (timestamp) / time_scale * kSecondsToNs);< / 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 >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   uint64_t NsToBmffTimestamp(uint64_t ns, uint64_t time_scale) {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > // Casting to double is needed otherwise ns * time_scale may overflow< / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > // uint64_t/int64_t.< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > return< / span > Round(< span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (ns) / kSecondsToNs * time_scale);< / 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 >   < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   uint64_t NsToWebMTimecode(uint64_t ns, uint64_t timecode_scale) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > return< / span > ns / timecode_scale;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   }< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   uint64_t WebMTimecodeToNs(uint64_t timecode, uint64_t timecode_scale) {< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordflow" > return< / span > timecode * timecode_scale;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   }< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   Segmenter::Segmenter(< span class = "keyword" > const< / span > MuxerOptions& options) : options_(options) {}< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   Segmenter::~Segmenter() {}< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32c8a682b36241529d0c302a023140d2" > 78< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#acc2d4e58b3fa4b41a0637f52288d81d9" > Segmenter::Initialize< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > StreamInfo< / a > & info,< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html" > ProgressListener< / a > * progress_listener,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener) {< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   is_encrypted_ = info.is_encrypted();< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   duration_ = info.duration();< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   time_scale_ = info.time_scale();< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   muxer_listener_ = muxer_listener;< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "comment" > // Use media duration as progress target.< / span > < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   progress_target_ = info.duration();< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   progress_listener_ = progress_listener;< / 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 >   segment_info_.Init();< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   segment_info_.set_timecode_scale(kTimecodeScale);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > const< / span > std::string version = GetPackagerVersion();< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > if< / span > (!version.empty()) {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   segment_info_.set_writing_app(< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   (GetPackagerProjectUrl() + < span class = "stringliteral" > " version " < / span > + version).c_str());< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   }< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordflow" > if< / span > (options().segment_template.empty()) {< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > // Set an initial duration so the duration element is written; will be< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "comment" > // overwritten at the end. This works because this is a float and floats< / span > < / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "comment" > // are always the same size.< / span > < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   segment_info_.set_duration(1);< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   }< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // Create the track info.< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // The seed is only used to create a UID which we overwrite later.< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > seed = 0;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   std::unique_ptr< mkvmuxer::Track> track;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > status;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > switch< / span > (info.stream_type()) {< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > case< / span > kStreamVideo: {< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   std::unique_ptr< VideoTrack> video_track(< span class = "keyword" > new< / span > VideoTrack(& seed));< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   status = InitializeVideoTrack(< span class = "keyword" > static_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > VideoStreamInfo< / a > & < span class = "keyword" > > < / span > (info),< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   video_track.get());< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   track = std::move(video_track);< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > break< / 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 = "keywordflow" > case< / span > kStreamAudio: {< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   std::unique_ptr< AudioTrack> audio_track(< span class = "keyword" > new< / span > AudioTrack(& seed));< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   status = InitializeAudioTrack(< span class = "keyword" > static_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html" > AudioStreamInfo< / a > & < span class = "keyword" > > < / span > (info),< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   audio_track.get());< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   track = std::move(audio_track);< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   }< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Not implemented for stream type: " < / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < < info.stream_type();< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   status = < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::UNIMPLEMENTED, < span class = "stringliteral" > " Not implemented for stream type" < / 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 = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< 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 >   < span class = "keywordflow" > if< / span > (info.is_encrypted()) {< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > if< / span > (info.encryption_config().per_sample_iv_size != kWebMIvSize)< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::MUXER_FAILURE, < span class = "stringliteral" > " Incorrect size WebM encryption IV." < / span > );< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   status = UpdateTrackForEncryption(info.encryption_config().key_id,< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   track.get());< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   }< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   tracks_.AddTrack(track.get(), info.track_id());< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "comment" > // number() is only available after the above instruction.< / span > < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   track_id_ = track-> number();< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "comment" > // |tracks_| owns |track|.< / span > < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   track.release();< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > return< / span > DoInitialize();< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417" > 152< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac" > Segmenter::Finalize< / a > () {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   < span class = "keywordflow" > if< / span > (prev_sample_ & & !prev_sample_-> end_of_stream()) {< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   uint64_t duration =< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   prev_sample_-> pts() - first_timestamp_ + prev_sample_-> duration();< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   segment_info_.set_duration(FromBmffTimestamp(duration));< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   }< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "keywordflow" > return< / span > DoFinalize();< / div >
< 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 >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a94352e60afa9b2409fecd4e45a56e547" > 161< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a6b859a1e564cf007a34f6bfa2d48baeb" > Segmenter::AddSample< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" > MediaSample< / a > & source_sample) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   std::shared_ptr< MediaSample> sample(source_sample.< a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#a5cf07ebc02514de4c2e2adf8280acedf" > Clone< / a > ());< / 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 >   < span class = "keywordflow" > if< / span > (sample_duration_ == 0) {< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   first_timestamp_ = sample-> pts();< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   sample_duration_ = sample-> duration();< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordflow" > if< / span > (muxer_listener_)< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   muxer_listener_-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ad54aef6c349082d996a436ebea11eff2" > OnSampleDurationReady< / a > (sample_duration_);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   }< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   < / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3" > UpdateProgress< / a > (sample-> duration());< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // This writes frames in a delay. Meaning that the previous frame is written< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > // on this call to AddSample. The current frame is stored until the next< / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // call. This is done to determine which frame is the last in a Cluster.< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // This first block determines if this is a new Cluster and writes the< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // previous frame first before creating the new Cluster.< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > status;< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "keywordflow" > if< / span > (new_segment_ || new_subsegment_) {< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   status = NewSegment(sample-> pts(), new_subsegment_);< / 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 >   status = WriteFrame(< span class = "keyword" > false< / span > < span class = "comment" > /* write_duration */< / span > );< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   }< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > if< / span > (is_encrypted_)< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   UpdateFrameForEncryption(sample.get());< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   new_subsegment_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   new_segment_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   prev_sample_ = sample;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a3c7123d6d9321c72d8bd737f1f9d3c01" > 197< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adfe43b76600564a2836ed78070549656" > Segmenter::FinalizeSegment< / a > (uint64_t start_timestamp,< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   uint64_t duration_timestamp,< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordtype" > bool< / span > is_subsegment) {< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > if< / span > (is_subsegment)< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   new_subsegment_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   new_segment_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > return< / span > WriteFrame(< span class = "keyword" > true< / span > < span class = "comment" > /* write duration */< / 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 >   < / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a81fbf25831d9a5311cab9f6c5184772d" > 207< / a > < / span >   < span class = "keywordtype" > float< / span > Segmenter::GetDurationInSeconds()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > return< / span > WebMTimecodeToNs(segment_info_.duration(),< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   segment_info_.timecode_scale()) /< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (kSecondsToNs);< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   }< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aaa34bab8904436eb3e67f392eaa0b549" > 213< / a > < / span >   uint64_t Segmenter::FromBmffTimestamp(uint64_t bmff_timestamp) {< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keywordflow" > return< / span > NsToWebMTimecode(< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   BmffTimestampToNs(bmff_timestamp, time_scale_),< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   segment_info_.timecode_scale());< / 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 >   < / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#ab85d8456bc9e4990b1c5e5d9738a2d1b" > 219< / a > < / span >   uint64_t Segmenter::FromWebMTimecode(uint64_t webm_timecode) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordflow" > return< / span > NsToBmffTimestamp(< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   WebMTimecodeToNs(webm_timecode, segment_info_.timecode_scale()),< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   time_scale_);< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   }< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aebcf73c5a1c3ae0f2608032d2a6ee445" > 225< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::WriteSegmentHeader(uint64_t file_size, < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html" > MkvWriter< / a > * writer) {< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > error_status(error::FILE_FAILURE, < span class = "stringliteral" > " Error writing segment header." < / 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" > if< / span > (!WriteEbmlHeader(writer))< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordflow" > return< / span > error_status;< / 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 >   < span class = "keywordflow" > if< / span > (WriteID(writer, mkvmuxer::kMkvSegment) != 0)< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keyword" > const< / span > uint64_t segment_size_size = 8;< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   segment_payload_pos_ = writer-> < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b" > Position< / a > () + segment_size_size;< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > if< / span > (file_size > 0) {< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "comment" > // We want the size of the segment element, so subtract the header.< / span > < / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keywordflow" > if< / span > (WriteUIntSize(writer, file_size - segment_payload_pos_,< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   segment_size_size) != 0)< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > if< / span > (!seek_head_.Write(writer))< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordflow" > if< / span > (SerializeInt(writer, mkvmuxer::kEbmlUnknownValue, segment_size_size) !=< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   0)< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "comment" > // We don' t know the header size, so write a placeholder.< / span > < / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > if< / span > (!seek_head_.WriteVoid(writer))< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "keywordflow" > return< / span > error_status;< / 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 >   < / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   seek_head_.set_info_pos(writer-> < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b" > Position< / a > () - segment_payload_pos_);< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keywordflow" > if< / span > (!segment_info_.Write(writer))< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   seek_head_.set_tracks_pos(writer-> < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b" > Position< / a > () - segment_payload_pos_);< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > if< / span > (!tracks_.Write(writer))< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a6060ddc97c58e4435d1db932de17e131" > 263< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::SetCluster(uint64_t start_webm_timecode,< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   uint64_t position,< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html" > MkvWriter< / a > * writer) {< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keyword" > const< / span > uint64_t scale = segment_info_.timecode_scale();< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   cluster_.reset(< span class = "keyword" > new< / span > mkvmuxer::Cluster(start_webm_timecode, position, scale));< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   cluster_-> Init(writer);< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2" > 272< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3" > Segmenter::UpdateProgress< / a > (uint64_t progress) {< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   accumulated_progress_ += progress;< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordflow" > if< / span > (!progress_listener_ || progress_target_ == 0)< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "comment" > // It might happen that accumulated progress exceeds progress_target due to< / span > < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "comment" > // computation errors, e.g. rounding error. Cap it so it never reports > 100%< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "comment" > // progress.< / span > < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "keywordflow" > if< / span > (accumulated_progress_ > = progress_target_) {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   progress_listener_-> < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7" > OnProgress< / a > (1.0);< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   } < span class = "keywordflow" > else< / span > {< / div >
2021-06-22 00:16:40 +00:00
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   progress_listener_-> < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7" > OnProgress< / a > (< span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (accumulated_progress_) /< / div >
2021-04-10 04:00:37 +00:00
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   progress_target_);< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   }< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   }< / div >
< 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 >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > Segmenter::InitializeVideoTrack(< span class = "keyword" > const< / span > < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > VideoStreamInfo< / a > & info,< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   VideoTrack* track) {< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > if< / span > (info.codec() == kCodecAV1) {< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   track-> set_codec_id(< span class = "stringliteral" > " V_AV1" < / span > );< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "keywordflow" > if< / span > (!track-> SetCodecPrivate(info.codec_config().data(),< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   info.codec_config().size())) {< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "stringliteral" > " Private codec data required for AV1 streams" < / span > );< / 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" > else< / span > < span class = "keywordflow" > if< / span > (info.codec() == kCodecVP8) {< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   track-> set_codec_id(< span class = "stringliteral" > " V_VP8" < / span > );< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (info.codec() == kCodecVP9) {< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   track-> set_codec_id(< span class = "stringliteral" > " V_VP9" < / 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 = "comment" > // The |StreamInfo::codec_config| field is stored using the MP4 format; we< / span > < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "comment" > // need to convert it to the WebM format.< / span > < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   VPCodecConfigurationRecord vp_config;< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordflow" > if< / span > (!vp_config.ParseMP4(info.codec_config())) {< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "stringliteral" > " Unable to parse VP9 codec configuration" < / span > );< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   }< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   mkvmuxer::Colour colour;< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordflow" > if< / span > (vp_config.matrix_coefficients() != AVCOL_SPC_UNSPECIFIED) {< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   colour.set_matrix_coefficients(vp_config.matrix_coefficients());< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   }< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   < span class = "keywordflow" > if< / span > (vp_config.transfer_characteristics() != AVCOL_TRC_UNSPECIFIED) {< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   colour.set_transfer_characteristics(vp_config.transfer_characteristics());< / 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 >   < span class = "keywordflow" > if< / span > (vp_config.color_primaries() != AVCOL_PRI_UNSPECIFIED) {< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   colour.set_primaries(vp_config.color_primaries());< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < span class = "keywordflow" > if< / span > (!track-> SetColour(colour)) {< / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "stringliteral" > " Failed to setup color element for VPx streams" < / 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 >   std::vector< uint8_t> codec_config;< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   vp_config.WriteWebM(& codec_config);< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > if< / span > (!track-> SetCodecPrivate(codec_config.data(), codec_config.size())) {< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "stringliteral" > " Private codec data required for VPx streams" < / span > );< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   }< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Only VP8, VP9 and AV1 video codecs are supported in WebM." < / span > ;< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < span class = "keywordflow" > return< / span > Status(error::UNIMPLEMENTED,< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "stringliteral" > " Only VP8, VP9 and AV1 video codecs are supported in WebM." < / span > );< / 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 >   < / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   track-> set_uid(info.track_id());< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keywordflow" > if< / span > (!info.language().empty())< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   track-> set_language(info.language().c_str());< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   track-> set_type(mkvmuxer::Tracks::kVideo);< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   track-> set_width(info.width());< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   track-> set_height(info.height());< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   track-> set_display_height(info.height());< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   track-> set_display_width(info.width() * info.pixel_width() /< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   info.pixel_height());< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   }< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   Status Segmenter::InitializeAudioTrack(< span class = "keyword" > const< / span > AudioStreamInfo& info,< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   AudioTrack* track) {< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordflow" > if< / span > (info.codec() == kCodecOpus) {< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   track-> set_codec_id(mkvmuxer::Tracks::kOpusCodecId);< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (info.codec() == kCodecVorbis) {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   track-> set_codec_id(mkvmuxer::Tracks::kVorbisCodecId);< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Only Vorbis and Opus audio codec are supported in WebM." < / span > ;< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "keywordflow" > return< / span > Status(error::UNIMPLEMENTED,< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < span class = "stringliteral" > " Only Vorbis and Opus audio codecs are supported in WebM." < / span > );< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   }< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < span class = "keywordflow" > if< / span > (!track-> SetCodecPrivate(info.codec_config().data(),< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   info.codec_config().size())) {< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "stringliteral" > " Private codec data required for audio streams" < / span > );< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   }< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   track-> set_uid(info.track_id());< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > if< / span > (!info.language().empty())< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   track-> set_language(info.language().c_str());< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   track-> set_type(mkvmuxer::Tracks::kAudio);< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   track-> set_sample_rate(info.sampling_frequency());< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   track-> set_channels(info.num_channels());< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   track-> set_seek_pre_roll(info.seek_preroll_ns());< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   track-> set_codec_delay(info.codec_delay_ns());< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   }< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   Status Segmenter::WriteFrame(< span class = "keywordtype" > bool< / span > write_duration) {< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "comment" > // Create a frame manually so we can create non-SimpleBlock frames. This< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "comment" > // is required to allow the frame duration to be added. If the duration< / span > < / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "comment" > // is not set, then a SimpleBlock will still be written.< / span > < / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   mkvmuxer::Frame frame;< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < span class = "keywordflow" > if< / span > (!frame.Init(prev_sample_-> data(), prev_sample_-> data_size())) {< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   < span class = "stringliteral" > " Error adding sample to segment: Frame::Init failed" < / span > );< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   }< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   < / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "keywordflow" > if< / span > (write_duration) {< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   frame.set_duration(< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   BmffTimestampToNs(prev_sample_-> duration(), time_scale_));< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   }< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   frame.set_is_key(prev_sample_-> is_key_frame());< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   frame.set_timestamp(< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   BmffTimestampToNs(prev_sample_-> pts(), time_scale_));< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   frame.set_track_number(track_id_);< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordflow" > if< / span > (prev_sample_-> side_data_size() > 0) {< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   uint64_t block_add_id;< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "comment" > // First 8 bytes of side_data is the BlockAddID element' s value, which is< / span > < / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "comment" > // done to mimic ffmpeg behavior. See webm_cluster_parser.cc for details.< / span > < / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   CHECK_GT(prev_sample_-> side_data_size(), < span class = "keyword" > sizeof< / span > (block_add_id));< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   memcpy(& block_add_id, prev_sample_-> side_data(), < span class = "keyword" > sizeof< / span > (block_add_id));< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordflow" > if< / span > (!frame.AddAdditionalData(< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   prev_sample_-> side_data() + < span class = "keyword" > sizeof< / span > (block_add_id),< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   prev_sample_-> side_data_size() - < span class = "keyword" > sizeof< / span > (block_add_id),< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   block_add_id)) {< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keywordflow" > return< / span > Status(< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   < span class = "stringliteral" > " Error adding sample to segment: Frame::AddAditionalData Failed" < / span > );< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   }< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   < / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < span class = "keywordflow" > if< / span > (!prev_sample_-> is_key_frame() & & !frame.CanBeSimpleBlock()) {< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   frame.set_reference_block_timestamp(< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   BmffTimestampToNs(reference_frame_timestamp_, time_scale_));< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   }< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // GetRelativeTimecode will return -1 if the relative timecode is too large< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "comment" > // to fit in the frame.< / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "keywordflow" > if< / span > (cluster_-> GetRelativeTimecode(NsToWebMTimecode(< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   frame.timestamp(), cluster_-> timecode_scale())) < 0) {< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > segment_duration =< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (frame.timestamp() -< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   WebMTimecodeToNs(cluster_-> timecode(),< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   cluster_-> timecode_scale())) /< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   kSecondsToNs;< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Error adding sample to segment: segment too large, " < / span > < / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < < segment_duration< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < < < span class = "stringliteral" > " seconds. Please check your GOP size and segment duration." < / span > ;< / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < span class = "stringliteral" > " Error adding sample to segment: segment too large" < / span > );< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   }< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   < / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "keywordflow" > if< / span > (!cluster_-> AddFrame(& frame)) {< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < span class = "stringliteral" > " Error adding sample to segment: Cluster::AddFrame failed" < / span > );< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   }< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "comment" > // A reference frame is needed for non-keyframes. Having a reference to the< / span > < / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "comment" > // previous block is good enough.< / span > < / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "comment" > // See libwebm Segment::AddGenericFrame< / span > < / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   reference_frame_timestamp_ = prev_sample_-> pts();< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   }< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   } < span class = "comment" > // namespace webm< / span > < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2021-06-22 00:16:40 +00:00
< / div > <!-- fragment --> < / div > <!-- contents -->
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1AudioStreamInfo_html" > < div class = "ttname" > < a href = "../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html" > shaka::media::AudioStreamInfo< / a > < / div > < div class = "ttdoc" > Holds audio stream information.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/d32/audio__stream__info_8h_source.html#l00018" > audio_stream_info.h:18< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1ProgressListener_html_a9c32e569c50194a106f7e9242749e7e7" > < div class = "ttname" > < a href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7" > shaka::media::ProgressListener::OnProgress< / a > < / div > < div class = "ttdeci" > virtual void OnProgress(double progress)=0< / div > < / div >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaSample_html_a5cf07ebc02514de4c2e2adf8280acedf" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#a5cf07ebc02514de4c2e2adf8280acedf" > shaka::media::MediaSample::Clone< / a > < / div > < div class = "ttdeci" > std::shared_ptr< MediaSample > Clone() const< / div > < div class = "ttdoc" > Clone the object and return a new MediaSample.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d0d/media__sample_8cc_source.html#l00081" > media_sample.cc:81< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Segmenter_html_adfe43b76600564a2836ed78070549656" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#adfe43b76600564a2836ed78070549656" > shaka::media::mp4::Segmenter::FinalizeSegment< / a > < / div > < div class = "ttdeci" > Status FinalizeSegment(size_t stream_id, const SegmentInfo & segment_info)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00147" > segmenter.cc:147< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceshaka_html" > < div class = "ttname" > < a href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / div > < div class = "ttdoc" > All the methods that are virtual are virtual for mocking.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011" > gflags_hex_bytes.cc:11< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MuxerListener_html_ad54aef6c349082d996a436ebea11eff2" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ad54aef6c349082d996a436ebea11eff2" > shaka::media::MuxerListener::OnSampleDurationReady< / a > < / div > < div class = "ttdeci" > virtual void OnSampleDurationReady(uint32_t sample_duration)=0< / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Segmenter_html_afd8bb3584c984c711615800ad93642a3" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3" > shaka::media::mp4::Segmenter::UpdateProgress< / a > < / div > < div class = "ttdeci" > void UpdateProgress(uint64_t progress)< / div > < div class = "ttdoc" > Update segmentation progress using ProgressListener.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00250" > segmenter.cc:250< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d20/classshaka_1_1Status.html" > shaka::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00110" > status.h:110< / a > < / div > < / div >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MuxerListener_html" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > shaka::media::MuxerListener< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/dfa/muxer__listener_8h_source.html#l00032" > muxer_listener.h:32< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1ProgressListener_html" > < div class = "ttname" > < a href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html" > shaka::media::ProgressListener< / a > < / div > < div class = "ttdoc" > This class listens to progress updates events.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d9d/progress__listener_8h_source.html#l00020" > progress_listener.h:20< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MkvWriter_html_a468dcd83a7c087cc83e755703488e92b" > < div class = "ttname" > < a href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html#a468dcd83a7c087cc83e755703488e92b" > shaka::media::MkvWriter::Position< / a > < / div > < div class = "ttdeci" > mkvmuxer::int64 Position() const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/dc8/mkv__writer_8cc_source.html#l00074" > mkv_writer.cc:74< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Segmenter_html_acc2d4e58b3fa4b41a0637f52288d81d9" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#acc2d4e58b3fa4b41a0637f52288d81d9" > shaka::media::mp4::Segmenter::Initialize< / a > < / div > < div class = "ttdeci" > Status Initialize(const std::vector< std::shared_ptr< const StreamInfo > > & streams, MuxerListener *muxer_listener, ProgressListener *progress_listener)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00051" > segmenter.cc:51< / a > < / div > < / div >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1VideoStreamInfo_html" > < div class = "ttname" > < a href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > shaka::media::VideoStreamInfo< / a > < / div > < div class = "ttdoc" > Holds video stream information.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d87/video__stream__info_8h_source.html#l00023" > video_stream_info.h:23< / a > < / div > < / div >
2021-06-22 00:16:40 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1MkvWriter_html" > < div class = "ttname" > < a href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html" > shaka::media::MkvWriter< / a > < / div > < div class = "ttdoc" > An implementation of IMkvWriter using our File type.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/dd6/mkv__writer_8h_source.html#l00021" > mkv_writer.h:21< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1MediaSample_html" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" > shaka::media::MediaSample< / a > < / div > < div class = "ttdoc" > Class to hold a media sample.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d80/media__sample_8h_source.html#l00022" > media_sample.h:22< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Segmenter_html_a464a30159b8888a54254356d191947ac" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac" > shaka::media::mp4::Segmenter::Finalize< / a > < / div > < div class = "ttdeci" > Status Finalize()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00108" > segmenter.cc:108< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1StreamInfo_html" > < div class = "ttname" > < a href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > shaka::media::StreamInfo< / a > < / div > < div class = "ttdoc" > Abstract class holds stream information.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/daa/stream__info_8h_source.html#l00065" > stream_info.h:65< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1mp4_1_1Segmenter_html_a6b859a1e564cf007a34f6bfa2d48baeb" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a6b859a1e564cf007a34f6bfa2d48baeb" > shaka::media::mp4::Segmenter::AddSample< / a > < / div > < div class = "ttdeci" > Status AddSample(size_t stream_id, const MediaSample & sample)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00123" > segmenter.cc:123< / a > < / div > < / div >
2015-12-15 20:37:40 +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
2015-12-15 20:37:40 +00:00
< / small > < / address >
< / body >
< / html >
