2015-12-15 20:37:40 +00:00
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2015-12-15 20:37:40 +00:00
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< ul >
< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_5039d854a18988ed1f1dbebc120ffbf7.html" > webm< / a > < / li > < / ul >
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< div class = "title" > segmenter.cc< / div > < / div >
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< 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_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/media_stream.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 >
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< 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 >
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< 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/third_party/libwebm/src/mkvmuxerutil.hpp" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/third_party/libwebm/src/webmids.hpp" < / span > < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/version/version.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > webm {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   int64_t kTimecodeScale = 1000000;< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   int64_t kSecondsToNs = 1000000000L;< / 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" > 32< / span >   Segmenter::Segmenter(< span class = "keyword" > const< / span > MuxerOptions& options)< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   : reference_frame_timestamp_(0),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   options_(options),< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   info_(NULL),< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   muxer_listener_(NULL),< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   progress_listener_(NULL),< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   progress_target_(0),< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   accumulated_progress_(0),< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   first_timestamp_(0),< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   sample_duration_(0),< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   segment_payload_pos_(0),< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   cluster_length_sec_(0),< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   segment_length_sec_(0),< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   track_id_(0) {}< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   Segmenter::~Segmenter() {}< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
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< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa6b32c805c4e662d97244531723ce9eb" > 49< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a0440c751fd818964397d17330acc7afc" > Segmenter::Initialize< / a > (std::unique_ptr< MkvWriter> writer,< / div >
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< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < a class = "code" href = "../../d5/db1/classshaka_1_1media_1_1StreamInfo.html" > StreamInfo< / a > * info,< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html" > ProgressListener< / a > * progress_listener,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener,< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > KeySource< / a > * encryption_key_source,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   uint32_t max_sd_pixels,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordtype" > double< / span > clear_lead_in_seconds) {< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   muxer_listener_ = muxer_listener;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   info_ = info;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   clear_lead_ = clear_lead_in_seconds;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > // Use media duration as progress target.< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   progress_target_ = info_-> duration();< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   progress_listener_ = progress_listener;< / 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 >   segment_info_.Init();< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   segment_info_.set_timecode_scale(kTimecodeScale);< / div >
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< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
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< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keyword" > const< / span > std::string version = GetPackagerVersion();< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > if< / span > (!version.empty()) {< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   segment_info_.set_writing_app(< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   (GetPackagerProjectUrl() + < span class = "stringliteral" > " version " < / span > + version).c_str());< / 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 >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > if< / span > (options().single_segment) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > // Set an initial duration so the duration element is written; will be< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > // overwritten at the end. This works because this is a float and floats< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // are always the same size.< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   segment_info_.set_duration(1);< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   }< / 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 >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status;< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (encryption_key_source) {< / div >
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< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   status = InitializeEncryptor(encryption_key_source,< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   max_sd_pixels);< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > return< / span > status;< / 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 >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Create the track info.< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordflow" > switch< / span > (info_-> stream_type()) {< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > case< / span > kStreamVideo:< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   status = CreateVideoTrack(static_cast< VideoStreamInfo*> (info_));< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keywordflow" > case< / span > kStreamAudio:< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   status = CreateAudioTrack(static_cast< AudioStreamInfo*> (info_));< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Not implemented for stream type: " < / span > < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < < info_-> stream_type();< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   status = < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::UNIMPLEMENTED, < span class = "stringliteral" > " Not implemented for stream type" < / span > );< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   }< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
2016-08-19 00:58:26 +00:00
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > return< / span > DoInitialize(std::move(writer));< / div >
2016-08-18 21:18:15 +00:00
< 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" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa84782877f1afaf9519a552ac3d5d417" > 107< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a464a30159b8888a54254356d191947ac" > Segmenter::Finalize< / a > () {< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status = WriteFrame(< span class = "keyword" > true< / span > < span class = "comment" > /* write_duration */< / span > );< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   uint64_t duration =< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   prev_sample_-> pts() - first_timestamp_ + prev_sample_-> duration();< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   segment_info_.set_duration(FromBMFFTimescale(duration));< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > return< / span > DoFinalize();< / 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" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aa15ccabe1a33c660201ef1d8386067e5" > 118< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a1a9e50050e75584ff1087aa318096a" > Segmenter::AddSample< / a > (scoped_refptr< MediaSample> sample) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > if< / span > (sample_duration_ == 0) {< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   first_timestamp_ = sample-> pts();< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   sample_duration_ = sample-> duration();< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordflow" > if< / span > (muxer_listener_)< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   muxer_listener_-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ad54aef6c349082d996a436ebea11eff2" > OnSampleDurationReady< / a > (sample_duration_);< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   }< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#afd8bb3584c984c711615800ad93642a3" > UpdateProgress< / a > (sample-> duration());< / 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 >   < span class = "comment" > // This writes frames in a delay. Meaning that the previous frame is written< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // on this call to AddSample. The current frame is stored until the next< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / 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 = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "comment" > // This first block determines if this is a new Cluster and writes the< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < span class = "comment" > // previous frame first before creating the new Cluster.< / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "keywordtype" > bool< / span > wrote_frame = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > if< / span > (!cluster_) {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   status = NewSegment(sample-> pts());< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "comment" > // First frame, so no previous frame to write.< / span > < / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   wrote_frame = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (segment_length_sec_ > = options_.< a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a4e98ad5fc7bbc2df0cb95df3f1db9687" > segment_duration< / a > ) {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > if< / span > (sample-> is_key_frame() || !options_.< a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a1f1336e9be8b12733fe28da083eaf93f" > segment_sap_aligned< / a > ) {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   status = WriteFrame(< span class = "keyword" > true< / span > < span class = "comment" > /* write_duration */< / span > );< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   status.Update(NewSegment(sample-> pts()));< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   segment_length_sec_ = 0;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   cluster_length_sec_ = 0;< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   wrote_frame = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   }< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (cluster_length_sec_ > = options_.< a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a0dbe637b21f1f22f248437b59ad62a38" > fragment_duration< / a > ) {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > if< / span > (sample-> is_key_frame() || !options_.< a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#acb335182d4bd226c1f044cc83705f4fc" > fragment_sap_aligned< / a > ) {< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   status = WriteFrame(< span class = "keyword" > true< / span > < span class = "comment" > /* write_duration */< / span > );< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   status.Update(NewSubsegment(sample-> pts()));< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   cluster_length_sec_ = 0;< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   wrote_frame = < span class = "keyword" > true< / 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 >   }< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > if< / span > (!wrote_frame) {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   status = WriteFrame(< span class = "keyword" > false< / span > < span class = "comment" > /* write_duration */< / span > );< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "comment" > // Encrypt the frame.< / span > < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "keywordflow" > if< / span > (encryptor_) {< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > encrypt_frame =< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (sample-> pts() - first_timestamp_) /< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   info_-> time_scale() > =< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   clear_lead_;< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   status = encryptor_-> EncryptFrame(sample, encrypt_frame);< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Error encrypting frame." < / span > ;< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   }< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > if< / span > (encrypt_frame & & muxer_listener_)< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   muxer_listener_-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a897463091f0effa647a8e2822f48b2ee" > OnEncryptionStart< / a > ();< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   }< / div >
2016-07-12 19:13:07 +00:00
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
2016-08-18 21:18:15 +00:00
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // Add the sample to the durations even though we have not written the frame< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > // yet. This is needed to make sure we split Clusters at the correct point.< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // These are only used in this method.< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > duration_sec =< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (sample-> duration()) / info_-> time_scale();< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   cluster_length_sec_ += duration_sec;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   segment_length_sec_ += duration_sec;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   prev_sample_ = sample;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   }< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a277aeb59ed41fc484a86101d565017ae" > 190< / a > < / span >   < span class = "keywordtype" > float< / span > < a class = "code" href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a7283c64cb63a94264ff8fe405b8ce5c2" > Segmenter::GetDuration< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (segment_info_.duration()) *< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   segment_info_.timecode_scale() / kSecondsToNs;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   }< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a66c49dfab5316bea5b7b318871aef129" > 195< / a > < / span >   uint64_t Segmenter::FromBMFFTimescale(uint64_t time_timescale) {< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "comment" > // Convert the time from BMFF time_code to WebM timecode scale.< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keyword" > const< / span > int64_t time_ns =< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   kSecondsToNs * time_timescale / info_-> time_scale();< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordflow" > return< / span > time_ns / segment_info_.timecode_scale();< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   }< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a8de27c5b6480f968cbef9eafec3731d7" > 202< / a > < / span >   uint64_t Segmenter::FromWebMTimecode(uint64_t time_webm_timecode) {< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "comment" > // Convert the time to BMFF time_code from WebM timecode scale.< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keyword" > const< / span > int64_t time_ns = time_webm_timecode * segment_info_.timecode_scale();< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "keywordflow" > return< / span > time_ns * info_-> time_scale() / kSecondsToNs;< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   }< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#aebcf73c5a1c3ae0f2608032d2a6ee445" > 208< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_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 = "l00209" > < / a > < span class = "lineno" > 209< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > error_status(error::FILE_FAILURE, < span class = "stringliteral" > " Error writing segment header." < / span > );< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > if< / span > (!WriteEbmlHeader(writer))< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keywordflow" > if< / span > (WriteID(writer, mkvmuxer::kMkvSegment) != 0)< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keyword" > const< / span > uint64_t segment_size_size = 8;< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / 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 = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > if< / span > (file_size > 0) {< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "comment" > // We want the size of the segment element, so subtract the header.< / span > < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < span class = "keywordflow" > if< / span > (WriteUIntSize(writer, file_size - segment_payload_pos_,< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   segment_size_size) != 0)< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordflow" > if< / span > (!seek_head_.Write(writer))< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   < span class = "keywordflow" > if< / span > (SerializeInt(writer, mkvmuxer::kEbmlUnknownValue, segment_size_size) !=< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   0)< / 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 >   < span class = "comment" > // We don' t know the header size, so write a placeholder.< / span > < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordflow" > if< / span > (!seek_head_.WriteVoid(writer))< / 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 >   < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / 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 = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > if< / span > (!segment_info_.Write(writer))< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / 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 = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > if< / span > (!tracks_.Write(writer))< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < span class = "keywordflow" > return< / span > error_status;< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   }< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a6060ddc97c58e4435d1db932de17e131" > 246< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > Segmenter::SetCluster(uint64_t start_webm_timecode,< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   uint64_t position,< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < a class = "code" href = "../../d1/d0a/classshaka_1_1media_1_1MkvWriter.html" > MkvWriter< / a > * writer) {< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < span class = "keyword" > const< / span > uint64_t scale = segment_info_.timecode_scale();< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   cluster_.reset(< span class = "keyword" > new< / span > mkvmuxer::Cluster(start_webm_timecode, position, scale));< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   cluster_-> Init(writer);< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   }< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > < a class = "line" href = "../../dd/dc5/classshaka_1_1media_1_1webm_1_1Segmenter.html#a32dc8b7461252b99fe52384b04e3bca2" > 255< / 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 >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   accumulated_progress_ += progress;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > if< / span > (!progress_listener_ || progress_target_ == 0)< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "comment" > // It might happen that accumulated progress exceeds progress_target due to< / span > < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "comment" > // computation errors, e.g. rounding error. Cap it so it never reports > 100%< / span > < / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < span class = "comment" > // progress.< / span > < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "keywordflow" > if< / span > (accumulated_progress_ > = progress_target_) {< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   progress_listener_-> < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7" > OnProgress< / a > (1.0);< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   progress_listener_-> < a class = "code" href = "../../d4/de6/classshaka_1_1media_1_1ProgressListener.html#a9c32e569c50194a106f7e9242749e7e7" > OnProgress< / a > (static_cast< double> (accumulated_progress_) /< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   progress_target_);< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   }< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   }< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > Segmenter::CreateVideoTrack(< a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > VideoStreamInfo< / a > * info) {< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "comment" > // The seed is only used to create a UID which we overwrite later.< / span > < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > seed = 0;< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   mkvmuxer::VideoTrack* track = < span class = "keyword" > new< / span > mkvmuxer::VideoTrack(& seed);< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordflow" > if< / span > (!track)< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR, < span class = "stringliteral" > " Failed to create video track." < / span > );< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > if< / span > (info-> codec() == kCodecVP8) {< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   track-> set_codec_id(mkvmuxer::Tracks::kVp8CodecId);< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (info-> codec() == kCodecVP9) {< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   track-> set_codec_id(mkvmuxer::Tracks::kVp9CodecId);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   < / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < span class = "comment" > // The |StreamInfo::codec_config| field is stored using the MP4 format; we< / span > < / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "comment" > // need to convert it to the WebM format.< / span > < / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   < a class = "code" href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html" > VPCodecConfigurationRecord< / a > vp_config;< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > if< / span > (!vp_config.< a class = "code" href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#aac5eac6e0a62201dcb68fd3f084bb281" > ParseMP4< / a > (info-> codec_config())) {< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "stringliteral" > " Unable to parse VP9 codec configuration" < / span > );< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   }< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   std::vector< uint8_t> codec_config;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   vp_config.< a class = "code" href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#ab5186aead4b73cc3cd33587f25f166ce" > WriteWebM< / a > (& codec_config);< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "keywordflow" > if< / span > (!track-> SetCodecPrivate(codec_config.data(), codec_config.size())) {< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "stringliteral" > " Private codec data required for VP9 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 > {< / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Only VP8 and VP9 video codecs are supported." < / span > ;< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "keywordflow" > return< / span > Status(error::UNIMPLEMENTED,< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "stringliteral" > " Only VP8 and VP9 video codecs are supported." < / 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 >   < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   track-> set_uid(info-> track_id());< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < span class = "keywordflow" > if< / span > (!info-> language().empty())< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   track-> set_language(info-> language().c_str());< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   track-> set_type(mkvmuxer::Tracks::kVideo);< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   track-> set_width(info-> width());< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   track-> set_height(info-> height());< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   track-> set_display_height(info-> height());< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   track-> set_display_width(info-> width() * info-> < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#af5f655f36865a3af28bd0c7328e9a91e" > pixel_width< / a > () /< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   info-> < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#ae420a97a606ef54be16beb49e42cd135" > pixel_height< / a > ());< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordflow" > if< / span > (encryptor_)< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   encryptor_-> AddTrackInfo(track);< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   < / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   tracks_.AddTrack(track, info-> track_id());< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   track_id_ = track-> number();< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / 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 >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   Status Segmenter::CreateAudioTrack(AudioStreamInfo* info) {< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "comment" > // The seed is only used to create a UID which we overwrite later.< / span > < / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keywordtype" > unsigned< / span > < span class = "keywordtype" > int< / span > seed = 0;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   mkvmuxer::AudioTrack* track = < span class = "keyword" > new< / span > mkvmuxer::AudioTrack(& seed);< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > if< / span > (!track)< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR, < span class = "stringliteral" > " Failed to create audio track." < / span > );< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > if< / span > (info-> codec() == kCodecOpus) {< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   track-> set_codec_id(mkvmuxer::Tracks::kOpusCodecId);< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (info-> codec() == kCodecVorbis) {< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   track-> set_codec_id(mkvmuxer::Tracks::kVorbisCodecId);< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Only Vorbis and Opus audio codec is supported." < / span > ;< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordflow" > return< / span > Status(error::UNIMPLEMENTED,< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "stringliteral" > " Only Vorbis and Opus audio codecs are supported." < / 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 >   < span class = "keywordflow" > if< / span > (!track-> SetCodecPrivate(info-> codec_config().data(),< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   info-> codec_config().size())) {< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "stringliteral" > " Private codec data required for audio streams" < / span > );< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   }< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   < / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   track-> set_uid(info-> track_id());< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordflow" > if< / span > (!info-> language().empty())< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   track-> set_language(info-> language().c_str());< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   track-> set_type(mkvmuxer::Tracks::kAudio);< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   track-> set_sample_rate(info-> sampling_frequency());< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   track-> set_channels(info-> num_channels());< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   track-> set_seek_pre_roll(info-> seek_preroll_ns());< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   track-> set_codec_delay(info-> codec_delay_ns());< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < span class = "keywordflow" > if< / span > (encryptor_)< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   encryptor_-> AddTrackInfo(track);< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   tracks_.AddTrack(track, info-> track_id());< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   track_id_ = track-> number();< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / 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 >   Status Segmenter::InitializeEncryptor(KeySource* key_source,< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   uint32_t max_sd_pixels) {< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   encryptor_.reset(< span class = "keyword" > new< / span > Encryptor());< / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "keyword" > const< / span > KeySource::TrackType track_type =< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   GetTrackTypeForEncryption(*info_, max_sd_pixels);< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (track_type == KeySource::TrackType::TRACK_TYPE_UNKNOWN)< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "keywordflow" > return< / span > encryptor_-> Initialize(muxer_listener_, track_type, info_-> codec(),< / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   key_source, options_.webm_subsample_encryption);< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   }< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   Status Segmenter::WriteFrame(< span class = "keywordtype" > bool< / span > write_duration) {< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < span class = "comment" > // Create a frame manually so we can create non-SimpleBlock frames. This< / span > < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < span class = "comment" > // is required to allow the frame duration to be added. If the duration< / span > < / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "comment" > // is not set, then a SimpleBlock will still be written.< / span > < / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   mkvmuxer::Frame frame;< / 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 >   < span class = "keywordflow" > if< / span > (!frame.Init(prev_sample_-> data(), prev_sample_-> data_size())) {< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "stringliteral" > " Error adding sample to segment: Frame::Init failed" < / span > );< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   }< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordflow" > if< / span > (write_duration) {< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   < span class = "keyword" > const< / span > uint64_t duration_ns =< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   prev_sample_-> duration() * kSecondsToNs / info_-> time_scale();< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   frame.set_duration(duration_ns);< / 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 >   frame.set_is_key(prev_sample_-> is_key_frame());< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   frame.set_timestamp(prev_sample_-> pts() * kSecondsToNs / info_-> time_scale());< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   frame.set_track_number(track_id_);< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   < span class = "keywordflow" > if< / span > (prev_sample_-> side_data_size() > 0) {< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   uint64_t block_add_id;< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / 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 = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "comment" > // done to mimic ffmpeg behavior. See webm_cluster_parser.cc for details.< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   CHECK_GT(prev_sample_-> side_data_size(), < span class = "keyword" > sizeof< / span > (block_add_id));< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   memcpy(& block_add_id, prev_sample_-> side_data(), < span class = "keyword" > sizeof< / span > (block_add_id));< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "keywordflow" > if< / span > (!frame.AddAdditionalData(< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   prev_sample_-> side_data() + < span class = "keyword" > sizeof< / span > (block_add_id),< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   prev_sample_-> side_data_size() - < span class = "keyword" > sizeof< / span > (block_add_id),< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   block_add_id)) {< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keywordflow" > return< / span > Status(< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "stringliteral" > " Error adding sample to segment: Frame::AddAditionalData Failed" < / span > );< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   }< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   }< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   < / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   < span class = "keywordflow" > if< / span > (!prev_sample_-> is_key_frame() & & !frame.CanBeSimpleBlock()) {< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   < span class = "keyword" > const< / span > int64_t timestamp_ns =< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   reference_frame_timestamp_ * kSecondsToNs / info_-> time_scale();< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   frame.set_reference_block_timestamp(timestamp_ns);< / 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 = "comment" > // GetRelativeTimecode will return -1 if the relative timecode is too large< / span > < / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "comment" > // to fit in the frame.< / span > < / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   < span class = "keywordflow" > if< / span > (cluster_-> GetRelativeTimecode(frame.timestamp() /< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   cluster_-> timecode_scale()) < 0) {< / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > segment_duration =< / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (frame.timestamp()) / kSecondsToNs;< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Error adding sample to segment: segment too large, " < / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < < segment_duration < < < span class = "stringliteral" > " seconds." < / span > ;< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < span class = "stringliteral" > " Error adding sample to segment: segment too large" < / span > );< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   }< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   < span class = "keywordflow" > if< / span > (!cluster_-> AddFrame(& frame)) {< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   < span class = "keywordflow" > return< / span > Status(error::MUXER_FAILURE,< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < span class = "stringliteral" > " Error adding sample to segment: Cluster::AddFrame failed" < / span > );< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   }< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "comment" > // A reference frame is needed for non-keyframes. Having a reference to the< / span > < / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < span class = "comment" > // previous block is good enough.< / span > < / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "comment" > // See libwebm Segment::AddGenericFrame< / span > < / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   reference_frame_timestamp_ = prev_sample_-> pts();< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   }< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   < / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   } < span class = "comment" > // namespace webm< / span > < / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< div class = "ttc" id = "classshaka_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#l00053" > stream_info.h:53< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html_acb335182d4bd226c1f044cc83705f4fc" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#acb335182d4bd226c1f044cc83705f4fc" > shaka::media::MuxerOptions::fragment_sap_aligned< / a > < / div > < div class = "ttdeci" > bool fragment_sap_aligned< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00043" > muxer_options.h:43< / a > < / div > < / div >
2016-08-18 20:58:33 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1mp4_1_1Segmenter_html_a0440c751fd818964397d17330acc7afc" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a0440c751fd818964397d17330acc7afc" > shaka::media::mp4::Segmenter::Initialize< / a > < / div > < div class = "ttdeci" > Status Initialize(const std::vector< MediaStream * > & streams, MuxerListener *muxer_listener, ProgressListener *progress_listener, KeySource *encryption_key_source, uint32_t max_sd_pixels, double clear_lead_in_seconds, double crypto_period_duration_in_seconds, FourCC protection_scheme)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00166" > segmenter.cc:166< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_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#l00389" > segmenter.cc:389< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_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 >
2016-06-22 16:48:19 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1VPCodecConfigurationRecord_html" > < div class = "ttname" > < a href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html" > shaka::media::VPCodecConfigurationRecord< / a > < / div > < div class = "ttdoc" > Class for parsing or writing VP codec configuration record. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d9b/vp__codec__configuration__record_8h_source.html#l00021" > vp_codec_configuration_record.h:21< / a > < / div > < / div >
2016-07-11 20:48:08 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1MuxerListener_html_a897463091f0effa647a8e2822f48b2ee" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a897463091f0effa647a8e2822f48b2ee" > shaka::media::MuxerListener::OnEncryptionStart< / a > < / div > < div class = "ttdeci" > virtual void OnEncryptionStart()=0< / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html_a1f1336e9be8b12733fe28da083eaf93f" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a1f1336e9be8b12733fe28da083eaf93f" > shaka::media::MuxerOptions::segment_sap_aligned< / a > < / div > < div class = "ttdeci" > bool segment_sap_aligned< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00038" > muxer_options.h:38< / a > < / div > < / div >
2016-08-18 20:58:33 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1mp4_1_1Segmenter_html_a4a1a9e50050e75584ff1087aa318096a" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a4a1a9e50050e75584ff1087aa318096a" > shaka::media::mp4::Segmenter::AddSample< / a > < / div > < div class = "ttdeci" > Status AddSample(const MediaStream *stream, scoped_refptr< MediaSample > sample)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00322" > segmenter.cc:322< / a > < / div > < / div >
2016-08-18 21:18:15 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1VideoStreamInfo_html_ae420a97a606ef54be16beb49e42cd135" > < div class = "ttname" > < a href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#ae420a97a606ef54be16beb49e42cd135" > shaka::media::VideoStreamInfo::pixel_height< / a > < / div > < div class = "ttdeci" > uint32_t pixel_height() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d87/video__stream__info_8h_source.html#l00042" > video_stream_info.h:42< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_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 >
< div class = "ttc" id = "classshaka_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#l00071" > mkv_writer.cc:71< / a > < / div > < / div >
2016-08-18 20:58:33 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1VPCodecConfigurationRecord_html_ab5186aead4b73cc3cd33587f25f166ce" > < div class = "ttname" > < a href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#ab5186aead4b73cc3cd33587f25f166ce" > shaka::media::VPCodecConfigurationRecord::WriteWebM< / a > < / div > < div class = "ttdeci" > void WriteWebM(std::vector< uint8_t > *data) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/d05/vp__codec__configuration__record_8cc_source.html#l00171" > vp_codec_configuration_record.cc:171< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_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 >
2016-06-30 19:53:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1VPCodecConfigurationRecord_html_aac5eac6e0a62201dcb68fd3f084bb281" > < div class = "ttname" > < a href = "../../d1/da5/classshaka_1_1media_1_1VPCodecConfigurationRecord.html#aac5eac6e0a62201dcb68fd3f084bb281" > shaka::media::VPCodecConfigurationRecord::ParseMP4< / a > < / div > < div class = "ttdeci" > bool ParseMP4(const std::vector< uint8_t > & data)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../df/d05/vp__codec__configuration__record_8cc_source.html#l00089" > vp_codec_configuration_record.cc:89< / a > < / div > < / div >
2016-08-18 20:58:33 +00:00
< div class = "ttc" id = "classshaka_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#l00296" > segmenter.cc:296< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html_a0dbe637b21f1f22f248437b59ad62a38" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a0dbe637b21f1f22f248437b59ad62a38" > shaka::media::MuxerOptions::fragment_duration< / a > < / div > < div class = "ttdeci" > double fragment_duration< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00034" > muxer_options.h:34< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_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 >
2016-08-18 21:18:15 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1VideoStreamInfo_html_af5f655f36865a3af28bd0c7328e9a91e" > < div class = "ttname" > < a href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html#af5f655f36865a3af28bd0c7328e9a91e" > shaka::media::VideoStreamInfo::pixel_width< / a > < / div > < div class = "ttdeci" > uint32_t pixel_width() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d87/video__stream__info_8h_source.html#l00039" > video_stream_info.h:39< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00075" > status.h:75< / a > < / div > < / div >
2016-08-19 00:58:26 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / div > < div class = "ttdoc" > KeySource is responsible for encryption key acquisition. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00030" > key_source.h:30< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html_a4e98ad5fc7bbc2df0cb95df3f1db9687" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a4e98ad5fc7bbc2df0cb95df3f1db9687" > shaka::media::MuxerOptions::segment_duration< / a > < / div > < div class = "ttdeci" > double segment_duration< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00030" > muxer_options.h:30< / a > < / div > < / div >
2016-08-18 20:58:33 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1mp4_1_1Segmenter_html_a7283c64cb63a94264ff8fe405b8ce5c2" > < div class = "ttname" > < a href = "../../d9/d26/classshaka_1_1media_1_1mp4_1_1Segmenter.html#a7283c64cb63a94264ff8fe405b8ce5c2" > shaka::media::mp4::Segmenter::GetDuration< / a > < / div > < div class = "ttdeci" > double GetDuration() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da8/mp4_2segmenter_8cc_source.html#l00380" > segmenter.cc:380< / a > < / div > < / div >
2016-08-18 21:18:15 +00:00
< div class = "ttc" id = "classshaka_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#l00016" > video_stream_info.h:16< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_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#l00030" > muxer_listener.h:30< / a > < / div > < / div >
2015-12-15 20:37:40 +00:00
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2016-08-19 00:58:26 +00:00
Generated on Fri Aug 19 2016 00:58:17 for DASH Media Packaging SDK by   < a href = "http://www.doxygen.org/index.html" >
2015-12-15 20:37:40 +00:00
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