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/formats/packed_audio/packed_audio_segmenter.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_375ba2cfd8fd5b05c50b92d996b9d386.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_c727d19e3a8f99ea2539fb71bdb2ad10.html" > packed_audio< / a > < / li > < / ul >
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > packed_audio_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 2018 Google LLC. 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/packed_audio/packed_audio_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 < memory> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/id3_tag.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/codecs/aac_audio_specific_config.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/codecs/hls_audio_util.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/status_macros.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   std::string TimestampToString(uint64_t timestamp) {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "comment" > // https://tools.ietf.org/html/rfc8216 The ID3 payload MUST be a 33-bit MPEG-2< / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > // Program Elementary Stream timestamp expressed as a big-endian eight-octet< / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > // number, with the upper 31 bits set to zero.< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   timestamp & = 0x1FFFFFFFFull;< / 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 >   BufferWriter buffer;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   buffer.AppendInt(timestamp);< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keywordflow" > return< / span > std::string(buffer.Buffer(), buffer.Buffer() + buffer.Size());< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   }< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a" > 32< / a > < / span >   < a class = "code" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a" > PackedAudioSegmenter::PackedAudioSegmenter< / a > (< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   uint32_t transport_stream_timestamp_offset)< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   : transport_stream_timestamp_offset_(transport_stream_timestamp_offset) {}< / 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 >   PackedAudioSegmenter::~PackedAudioSegmenter() = < span class = "keywordflow" > default< / span > ;< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2" > 38< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2" > PackedAudioSegmenter::Initialize< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > StreamInfo< / a > & stream_info) {< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keyword" > const< / span > StreamType stream_type = stream_info.stream_type();< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > if< / span > (stream_type != StreamType::kStreamAudio) {< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   LOG(ERROR) < < < span class = "stringliteral" > " PackedAudioSegmenter cannot handle stream type " < / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < < stream_type;< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::MUXER_FAILURE, < span class = "stringliteral" > " Unsupported stream type." < / span > );< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   }< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   codec_ = stream_info.codec();< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   audio_codec_config_ = stream_info.codec_config();< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   timescale_scale_ = kPackedAudioTimescale / stream_info.time_scale();< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordflow" > if< / span > (codec_ == kCodecAAC) {< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   adts_converter_ = CreateAdtsConverter();< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (!adts_converter_-> Parse(audio_codec_config_)) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::MUXER_FAILURE, < span class = "stringliteral" > " Invalid audio codec configuration." < / span > );< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   }< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   }< / 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 = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   }< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e" > 60< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e" > PackedAudioSegmenter::AddSample< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" > MediaSample< / a > & sample) {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > if< / span > (sample.is_encrypted() & & audio_setup_information_.empty())< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   RETURN_IF_ERROR(EncryptionAudioSetup(sample));< / 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 >   < span class = "keywordflow" > if< / span > (start_of_new_segment_) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   RETURN_IF_ERROR(StartNewSegment(sample));< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   start_of_new_segment_ = < span class = "keyword" > false< / 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 >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordflow" > if< / span > (adts_converter_) {< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   std::vector< uint8_t> audio_frame;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keywordflow" > if< / span > (!adts_converter_-> ConvertToADTS(sample.data(), sample.data_size(),< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   & audio_frame))< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > (error::MUXER_FAILURE, < span class = "stringliteral" > " Failed to convert to ADTS." < / span > );< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   segment_buffer_.AppendArray(audio_frame.data(), audio_frame.size());< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   segment_buffer_.AppendArray(sample.data(), sample.data_size());< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   }< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7" > 81< / a > < / span >   < a class = "code" href = "../../d2/d20/classshaka_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7" > PackedAudioSegmenter::FinalizeSegment< / a > () {< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   start_of_new_segment_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670" > 86< / a > < / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670" > PackedAudioSegmenter::TimescaleScale< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordflow" > return< / span > timescale_scale_;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   }< / 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 >   std::unique_ptr< AACAudioSpecificConfig> < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   PackedAudioSegmenter::CreateAdtsConverter() {< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< AACAudioSpecificConfig> (< span class = "keyword" > new< / span > < a class = "code" href = "../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html" > AACAudioSpecificConfig< / a > );< / 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 >   < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   std::unique_ptr< Id3Tag> PackedAudioSegmenter::CreateId3Tag() {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > return< / span > std::unique_ptr< Id3Tag> (< span class = "keyword" > new< / span > Id3Tag);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   }< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   Status PackedAudioSegmenter::EncryptionAudioSetup(< span class = "keyword" > const< / span > MediaSample& sample) {< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "comment" > // For codecs other than AC3, audio setup data is the audio codec< / span > < / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > // configuration data.< / span > < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > const< / span > uint8_t* audio_setup_data = audio_codec_config_.data();< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordtype" > size_t< / span > audio_setup_data_size = audio_codec_config_.size();< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > if< / span > (codec_ == kCodecAC3) {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "comment" > // https://goo.gl/N7Tvqi MPEG-2 Stream Encryption Format for HTTP Live< / span > < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > // Streaming 2.3.2.2 AC-3 Setup: For AC-3, the setup_data in the< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // audio_setup_information is the first 10 bytes of the audio data (the< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // syncframe()).< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > kSetupDataSize = 10u;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > if< / span > (sample.data_size() < kSetupDataSize) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Sample is too small for AC3: " < / span > < < sample.data_size();< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE, < span class = "stringliteral" > " Sample is too small for AC3." < / span > );< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   }< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   audio_setup_data = sample.data();< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   audio_setup_data_size = kSetupDataSize;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   }< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   BufferWriter buffer;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > if< / span > (!WriteAudioSetupInformation(codec_, audio_setup_data,< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   audio_setup_data_size, & buffer)) {< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "stringliteral" > " Failed to write audio setup information." < / span > );< / 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 >   audio_setup_information_.assign(buffer.Buffer(),< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   buffer.Buffer() + buffer.Size());< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   }< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   Status PackedAudioSegmenter::StartNewSegment(< span class = "keyword" > const< / span > MediaSample& sample) {< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   segment_buffer_.Clear();< / 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 = "keyword" > const< / span > int64_t pts =< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   sample.pts() * timescale_scale_ + transport_stream_timestamp_offset_;< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordflow" > if< / span > (pts < 0) {< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Seeing negative timestamp " < / span > < < pts< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < < < span class = "stringliteral" > " after applying offset " < / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < < transport_stream_timestamp_offset_< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < < < span class = "stringliteral" > " . Please check if it is expected. Adjust " < / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "stringliteral" > " --transport_stream_timestamp_offset_ms if needed." < / span > ;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE, < span class = "stringliteral" > " Unsupported negative timestamp." < / span > );< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   }< / 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 >   < span class = "comment" > // Use a unique_ptr so it can be mocked for testing.< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   std::unique_ptr< Id3Tag> id3_tag = CreateId3Tag();< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   id3_tag-> AddPrivateFrame(kTimestampOwnerIdentifier, TimestampToString(pts));< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > if< / span > (!audio_setup_information_.empty()) {< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   id3_tag-> AddPrivateFrame(kAudioDescriptionOwnerIdentifier,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   audio_setup_information_);< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   }< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   CHECK(id3_tag-> WriteToBuffer(& segment_buffer_));< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   }< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / 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_1PackedAudioSegmenter_html_ac403002f18ebdecfbdcb0b6dd5b3da4e" > < div class = "ttname" > < a href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ac403002f18ebdecfbdcb0b6dd5b3da4e" > shaka::media::PackedAudioSegmenter::AddSample< / a > < / div > < div class = "ttdeci" > virtual Status AddSample(const MediaSample & sample)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d51/packed__audio__segmenter_8cc_source.html#l00060" > packed_audio_segmenter.cc:60< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1PackedAudioSegmenter_html_ad9e72b3ecdde3e2e200c2566a33e08c7" > < div class = "ttname" > < a href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ad9e72b3ecdde3e2e200c2566a33e08c7" > shaka::media::PackedAudioSegmenter::FinalizeSegment< / a > < / div > < div class = "ttdeci" > virtual Status FinalizeSegment()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d51/packed__audio__segmenter_8cc_source.html#l00081" > packed_audio_segmenter.cc:81< / a > < / div > < / div >
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_1AACAudioSpecificConfig_html" > < div class = "ttname" > < a href = "../../d0/da2/classshaka_1_1media_1_1AACAudioSpecificConfig.html" > shaka::media::AACAudioSpecificConfig< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d7e/aac__audio__specific__config_8h_source.html#l00023" > aac_audio_specific_config.h:23< / 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 >
< div class = "ttc" id = "aclassshaka_1_1media_1_1PackedAudioSegmenter_html_aaca6b224a4fc198b4c7d599c1348d6c2" > < div class = "ttname" > < a href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#aaca6b224a4fc198b4c7d599c1348d6c2" > shaka::media::PackedAudioSegmenter::Initialize< / a > < / div > < div class = "ttdeci" > virtual Status Initialize(const StreamInfo & stream_info)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d51/packed__audio__segmenter_8cc_source.html#l00038" > packed_audio_segmenter.cc:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassshaka_1_1media_1_1PackedAudioSegmenter_html_a7cadce72cd6c52fd8564b79a5c328b9a" > < div class = "ttname" > < a href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#a7cadce72cd6c52fd8564b79a5c328b9a" > shaka::media::PackedAudioSegmenter::PackedAudioSegmenter< / a > < / div > < div class = "ttdeci" > PackedAudioSegmenter(uint32_t transport_stream_timestamp_offset)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d51/packed__audio__segmenter_8cc_source.html#l00032" > packed_audio_segmenter.cc:32< / 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 >
2021-04-10 04:00:37 +00:00
< div class = "ttc" id = "aclassshaka_1_1media_1_1PackedAudioSegmenter_html_ae74956e5b79d0e74ecce440bd7849670" > < div class = "ttname" > < a href = "../../d9/d66/classshaka_1_1media_1_1PackedAudioSegmenter.html#ae74956e5b79d0e74ecce440bd7849670" > shaka::media::PackedAudioSegmenter::TimescaleScale< / a > < / div > < div class = "ttdeci" > virtual double TimescaleScale() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d51/packed__audio__segmenter_8cc_source.html#l00086" > packed_audio_segmenter.cc:86< / 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 >
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 >
