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< div id = "nav-path" class = "navpath" >
< ul >
< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_3e9291fd7a18fdecc763294cb2628910.html" > mp4< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/mp4_muxer.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/clock.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/time/time.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/aes_encryptor.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/audio_stream_info.h" < / span > < / div >
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< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/base/fourccs.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/base/key_source.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/media_stream.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/video_stream_info.h" < / span > < / div >
2016-05-27 23:48:18 +00:00
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/codecs/es_descriptor.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/event/muxer_listener.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/file/file.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/box_definitions.h" < / span > < / div >
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< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/multi_segment_segmenter.h" < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/single_segment_segmenter.h" < / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
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< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
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< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > namespace < / span > mp4 {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // Sets the range start and end value from offset and size.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > // |start| and |end| are for byte-range-spec specified in RFC2616.< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keywordtype" > void< / span > SetStartAndEndFromOffsetAndSize(< span class = "keywordtype" > size_t< / span > offset,< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "keywordtype" > size_t< / span > size,< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   uint32_t* start,< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   uint32_t* end) {< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   DCHECK(start & & end);< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   *start = < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (offset);< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "comment" > // Note that ranges are inclusive. So we need - 1.< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   *end = *start + < span class = "keyword" > static_cast< < / span > uint32_t< span class = "keyword" > > < / span > (size) - 1;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   }< / div >
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< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < / div >
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< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   FourCC CodecToFourCC(Codec codec) {< / div >
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< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > switch< / span > (codec) {< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "keywordflow" > case< / span > kCodecH264:< / div >
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< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > return< / span > FOURCC_avc1;< / div >
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< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > case< / span > kCodecHEV1:< / div >
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< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keywordflow" > return< / span > FOURCC_hev1;< / div >
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< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keywordflow" > case< / span > kCodecHVC1:< / div >
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< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordflow" > return< / span > FOURCC_hvc1;< / div >
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< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keywordflow" > case< / span > kCodecVP8:< / div >
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< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > return< / span > FOURCC_vp08;< / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > case< / span > kCodecVP9:< / div >
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< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordflow" > return< / span > FOURCC_vp09;< / div >
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< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > case< / span > kCodecVP10:< / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keywordflow" > return< / span > FOURCC_vp10;< / div >
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< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > case< / span > kCodecAAC:< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > return< / span > FOURCC_mp4a;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > case< / span > kCodecAC3:< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keywordflow" > return< / span > FOURCC_ac_3;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > case< / span > kCodecDTSC:< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordflow" > return< / span > FOURCC_dtsc;< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > case< / span > kCodecDTSH:< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > FOURCC_dtsh;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > case< / span > kCodecDTSL:< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > return< / span > FOURCC_dtsl;< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "keywordflow" > case< / span > kCodecDTSE:< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > return< / span > FOURCC_dtse;< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordflow" > case< / span > kCodecDTSM:< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > return< / span > FOURCC_dtsm;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keywordflow" > case< / span > kCodecEAC3:< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > return< / span > FOURCC_ec_3;< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > case< / span > kCodecOpus:< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > return< / span > FOURCC_Opus;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "keywordflow" > return< / span > FOURCC_NULL;< / 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 >   }< / 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 >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/d30/classshaka_1_1media_1_1mp4_1_1MP4Muxer.html#a5b6a878865250e3e17268c011a361497" > 82< / a > < / span >   < a class = "code" href = "../../db/d30/classshaka_1_1media_1_1mp4_1_1MP4Muxer.html#a5b6a878865250e3e17268c011a361497" > MP4Muxer::MP4Muxer< / a > (< span class = "keyword" > const< / span > < a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html" > MuxerOptions< / a > & options) : < a class = "code" href = "../../df/d46/classshaka_1_1media_1_1Muxer.html" > Muxer< / a > (options) {}< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   MP4Muxer::~MP4Muxer() {}< / 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 >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > MP4Muxer::Initialize() {< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   DCHECK(!streams().empty());< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
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< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   std::unique_ptr< FileType> ftyp(< span class = "keyword" > new< / span > FileType);< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   std::unique_ptr< Movie> moov(< span class = "keyword" > new< / span > Movie);< / div >
2016-08-18 21:18:15 +00:00
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   ftyp-> major_brand = FOURCC_dash;< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   ftyp-> compatible_brands.push_back(FOURCC_iso6);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   ftyp-> compatible_brands.push_back(FOURCC_mp41);< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keywordflow" > if< / span > (streams().size() == 1 & & < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   streams()[0]-> info()-> stream_type() == kStreamVideo) {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keyword" > const< / span > FourCC codec_fourcc = CodecToFourCC(< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   static_cast< VideoStreamInfo*> (streams()[0]-> info().< span class = "keyword" > get< / span > ())-> codec());< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > if< / span > (codec_fourcc != FOURCC_NULL)< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   ftyp-> compatible_brands.push_back(codec_fourcc);< / 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 >   < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   moov-> header.creation_time = IsoTimeNow();< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   moov-> header.modification_time = IsoTimeNow();< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   moov-> header.next_track_id = streams().size() + 1;< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   moov-> tracks.resize(streams().size());< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   moov-> extends.tracks.resize(streams().size());< / div >
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< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
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< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // Initialize tracks.< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 0; i < streams().size(); ++i) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   Track& trak = moov-> tracks[i];< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   trak.header.track_id = i + 1;< / 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 >   TrackExtends& trex = moov-> extends.tracks[i];< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   trex.track_id = trak.header.track_id;< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   trex.default_sample_description_index = 1;< / 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 >   < span class = "keywordflow" > switch< / span > (streams()[i]-> info()-> stream_type()) {< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > case< / span > kStreamVideo:< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   GenerateVideoTrak(< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   static_cast< VideoStreamInfo*> (streams()[i]-> info().< span class = "keyword" > get< / span > ()),< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   & trak,< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   i + 1);< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordflow" > case< / span > kStreamAudio:< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   GenerateAudioTrak(< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   static_cast< AudioStreamInfo*> (streams()[i]-> info().< span class = "keyword" > get< / span > ()),< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   & trak,< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   i + 1);< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Not implemented for stream type: " < / span > < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < < streams()[i]-> info()-> stream_type();< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   }< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   }< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > if< / span > (options().single_segment) {< / div >
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< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   segmenter_.reset(< span class = "keyword" > new< / span > SingleSegmentSegmenter(options(), std::move(ftyp),< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   std::move(moov)));< / div >
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< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   segmenter_.reset(< / div >
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< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keyword" > new< / span > MultiSegmentSegmenter(options(), std::move(ftyp), std::move(moov)));< / div >
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< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   }< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keyword" > const< / span > Status segmenter_initialized = segmenter_-> Initialize(< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   streams(), muxer_listener(), progress_listener(), encryption_key_source(),< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   max_sd_pixels(), clear_lead_in_seconds(),< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   crypto_period_duration_in_seconds(), protection_scheme());< / 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 >   < span class = "keywordflow" > if< / span > (!segmenter_initialized.ok())< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > return< / span > segmenter_initialized;< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   FireOnMediaStartEvent();< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   }< / div >
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< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < / div >
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< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   Status MP4Muxer::Finalize() {< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   DCHECK(segmenter_);< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   Status segmenter_finalized = segmenter_-> Finalize();< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < span class = "keywordflow" > if< / span > (!segmenter_finalized.ok())< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   < span class = "keywordflow" > return< / span > segmenter_finalized;< / div >
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< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < / div >
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< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   FireOnMediaEndEvent();< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   LOG(INFO) < < < span class = "stringliteral" > " MP4 file ' " < / span > < < options().< a class = "code" href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a5397ee8759a663aea68261600e528d82" > output_file_name< / a > < < < span class = "stringliteral" > " ' finalized." < / span > ;< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   }< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   Status MP4Muxer::DoAddSample(< span class = "keyword" > const< / span > MediaStream* stream,< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   scoped_refptr< MediaSample> sample) {< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   DCHECK(segmenter_);< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordflow" > return< / span > segmenter_-> AddSample(stream, sample);< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   }< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "keywordtype" > void< / span > MP4Muxer::InitializeTrak(< span class = "keyword" > const< / span > StreamInfo* info, Track* trak) {< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   int64_t now = IsoTimeNow();< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   trak-> header.creation_time = now;< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   trak-> header.modification_time = now;< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   trak-> header.duration = 0;< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   trak-> media.header.creation_time = now;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   trak-> media.header.modification_time = now;< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   trak-> media.header.timescale = info-> time_scale();< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   trak-> media.header.duration = 0;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordflow" > if< / span > (!info-> language().empty()) {< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "comment" > // Strip off the subtag, if any.< / span > < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   std::string main_language = info-> language();< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordtype" > size_t< / span > dash = main_language.find(< span class = "charliteral" > ' -' < / span > );< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > if< / span > (dash != std::string::npos) {< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   main_language.erase(dash);< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   }< / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "comment" > // ISO-639-2/T main language code should be 3 characters.< / span > < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordflow" > if< / span > (main_language.size() != 3) {< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   LOG(WARNING) < < < span class = "stringliteral" > " ' " < / span > < < main_language < < < span class = "stringliteral" > " ' is not a valid ISO-639-2 " < / span > < / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < < < span class = "stringliteral" > " language code, ignoring." < / span > ;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   trak-> media.header.language.code = main_language;< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   }< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   }< / 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" > 202< / span >   < span class = "keywordtype" > void< / span > MP4Muxer::GenerateVideoTrak(< span class = "keyword" > const< / span > VideoStreamInfo* video_info,< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   Track* trak,< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   uint32_t track_id) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   InitializeTrak(video_info, trak);< / 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 >   < span class = "comment" > // width and height specify the track' s visual presentation size as< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "comment" > // fixed-point 16.16 values.< / span > < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   uint32_t pixel_width = video_info-> pixel_width();< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   uint32_t pixel_height = video_info-> pixel_height();< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > if< / span > (pixel_width == 0 || pixel_height == 0) {< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   LOG(WARNING) < < < span class = "stringliteral" > " pixel width/height are not set. Assuming 1:1." < / span > ;< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   pixel_width = 1;< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   pixel_height = 1;< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   }< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > double< / span > sample_aspect_ratio =< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > > < / span > (pixel_width) / pixel_height;< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   trak-> header.width = video_info-> width() * sample_aspect_ratio * 0x10000;< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   trak-> header.height = video_info-> height() * 0x10000;< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   VideoSampleEntry video;< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   video.format = CodecToFourCC(video_info-> codec());< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   video.width = video_info-> width();< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   video.height = video_info-> height();< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   video.codec_configuration.data = video_info-> codec_config();< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > if< / span > (pixel_width != 1 || pixel_height != 1) {< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   video.pixel_aspect.h_spacing = pixel_width;< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   video.pixel_aspect.v_spacing = pixel_height;< / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   }< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   SampleDescription& sample_description =< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   trak-> media.information.sample_table.description;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   sample_description.type = kVideo;< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   sample_description.video_entries.push_back(video);< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   }< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   < span class = "keywordtype" > void< / span > MP4Muxer::GenerateAudioTrak(< span class = "keyword" > const< / span > AudioStreamInfo* audio_info,< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   Track* trak,< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   uint32_t track_id) {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   InitializeTrak(audio_info, trak);< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   < / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   trak-> header.volume = 0x100;< / div >
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< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
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< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   AudioSampleEntry audio;< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   audio.format = CodecToFourCC(audio_info-> codec());< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "keywordflow" > switch< / span > (audio_info-> codec()){< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keywordflow" > case< / span > kCodecAAC:< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   audio.esds.es_descriptor.set_object_type(kISO_14496_3); < span class = "comment" > // MPEG4 AAC.< / span > < / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   audio.esds.es_descriptor.set_esid(track_id);< / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   audio.esds.es_descriptor.set_decoder_specific_info(< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   audio_info-> codec_config());< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   audio.esds.es_descriptor.set_max_bitrate(audio_info-> max_bitrate());< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   audio.esds.es_descriptor.set_avg_bitrate(audio_info-> avg_bitrate());< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > case< / span > kCodecDTSC:< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > case< / span > kCodecDTSH:< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > case< / span > kCodecDTSL:< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > case< / span > kCodecDTSE:< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > case< / span > kCodecDTSM:< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   audio.ddts.extra_data = audio_info-> codec_config();< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   audio.ddts.max_bitrate = audio_info-> max_bitrate();< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   audio.ddts.avg_bitrate = audio_info-> avg_bitrate();< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   audio.ddts.sampling_frequency = audio_info-> sampling_frequency();< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   audio.ddts.pcm_sample_depth = audio_info-> sample_bits();< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordflow" > case< / span > kCodecAC3:< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   audio.dac3.data = audio_info-> codec_config();< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordflow" > case< / span > kCodecEAC3:< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   audio.dec3.data = audio_info-> codec_config();< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "keywordflow" > case< / span > kCodecOpus:< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   audio.dops.opus_identification_header = audio_info-> codec_config();< / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   NOTIMPLEMENTED();< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   }< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   audio.channelcount = audio_info-> num_channels();< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   audio.samplesize = audio_info-> sample_bits();< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   audio.samplerate = audio_info-> sampling_frequency();< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   SampleTable& sample_table = trak-> media.information.sample_table;< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   SampleDescription& sample_description = sample_table.description;< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   sample_description.type = kAudio;< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   sample_description.audio_entries.push_back(audio);< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "comment" > // Opus requires at least one sample group description box and at least one< / span > < / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "comment" > // sample to group box with grouping type ' roll' within sample table box.< / span > < / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < span class = "keywordflow" > if< / span > (audio_info-> codec() == kCodecOpus) {< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   sample_table.sample_group_descriptions.resize(1);< / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   SampleGroupDescription& sample_group_description =< / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   sample_table.sample_group_descriptions.back();< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   sample_group_description.grouping_type = FOURCC_roll;< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   sample_group_description.audio_roll_recovery_entries.resize(1);< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < span class = "comment" > // The roll distance is expressed in sample units and always takes negative< / span > < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "comment" > // values.< / span > < / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   < span class = "keyword" > const< / span > uint64_t kNanosecondsPerSecond = 1000000000ull;< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   sample_group_description.audio_roll_recovery_entries[0].roll_distance =< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   (0 - (audio_info-> seek_preroll_ns() * audio.samplerate +< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   kNanosecondsPerSecond / 2)) /< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   kNanosecondsPerSecond;< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   sample_table.sample_to_groups.resize(1);< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   SampleToGroup& sample_to_group = sample_table.sample_to_groups.back();< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   sample_to_group.grouping_type = FOURCC_roll;< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   sample_to_group.entries.resize(1);< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   SampleToGroupEntry& sample_to_group_entry = sample_to_group.entries.back();< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "comment" > // All samples are in track fragments.< / span > < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   sample_to_group_entry.sample_count = 0;< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   sample_to_group_entry.group_description_index =< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   SampleToGroupEntry::kTrackGroupDescriptionIndexBase + 1;< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (audio_info-> seek_preroll_ns() != 0) {< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Unexpected seek preroll for codec " < / span > < < audio_info-> codec();< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   }< / 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 >   < span class = "keywordtype" > bool< / span > MP4Muxer::GetInitRangeStartAndEnd(uint32_t* start, uint32_t* end) {< / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   DCHECK(start & & end);< / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keywordtype" > size_t< / span > range_offset = 0;< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < span class = "keywordtype" > size_t< / span > range_size = 0;< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > has_range = segmenter_-> GetInitRange(& range_offset, & range_size);< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "keywordflow" > if< / span > (!has_range)< / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   SetStartAndEndFromOffsetAndSize(range_offset, range_size, start, end);< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   }< / div >
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< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   < / div >
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< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   < span class = "keywordtype" > bool< / span > MP4Muxer::GetIndexRangeStartAndEnd(uint32_t* start, uint32_t* end) {< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   DCHECK(start & & end);< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordtype" > size_t< / span > range_offset = 0;< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "keywordtype" > size_t< / span > range_size = 0;< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > has_range = segmenter_-> GetIndexRange(& range_offset, & range_size);< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < span class = "keywordflow" > if< / span > (!has_range)< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   SetStartAndEndFromOffsetAndSize(range_offset, range_size, start, end);< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   }< / div >
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< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < / div >
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< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordtype" > void< / span > MP4Muxer::FireOnMediaStartEvent() {< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordflow" > if< / span > (!muxer_listener())< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < span class = "keywordflow" > if< / span > (streams().size() > 1) {< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   LOG(ERROR) < < < span class = "stringliteral" > " MuxerListener cannot take more than 1 stream." < / span > ;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordflow" > return< / span > ;< / 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 >   DCHECK(!streams().empty()) < < < span class = "stringliteral" > " Media started without a stream." < / span > ;< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   < span class = "keyword" > const< / span > uint32_t timescale = segmenter_-> GetReferenceTimeScale();< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   muxer_listener()-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a31536ec385a7ec22f323a42b872b499a" > OnMediaStart< / a > (options(),< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   *streams().front()-> info(),< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   timescale,< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   MuxerListener::kContainerMp4);< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   }< / div >
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< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < / div >
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< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "keywordtype" > void< / span > MP4Muxer::FireOnMediaEndEvent() {< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (!muxer_listener())< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   uint32_t init_range_start = 0;< / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   uint32_t init_range_end = 0;< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > has_init_range =< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   GetInitRangeStartAndEnd(& init_range_start, & init_range_end);< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   uint32_t index_range_start = 0;< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   uint32_t index_range_end = 0;< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > has_index_range =< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   GetIndexRangeStartAndEnd(& index_range_start, & index_range_end);< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > duration_seconds = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > float< / span > < span class = "keyword" > > < / span > (segmenter_-> GetDuration());< / div >
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< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < / div >
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< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   < span class = "keyword" > const< / span > int64_t file_size =< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < a class = "code" href = "../../d3/d61/classshaka_1_1media_1_1File.html#a6981994874ee5832e3394744fd51fd79" > File::GetFileSize< / a > (options().output_file_name.c_str());< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordflow" > if< / span > (file_size < = 0) {< / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid file size: " < / span > < < file_size;< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   }< / div >
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< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   < / div >
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< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   muxer_listener()-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ac89a028372db9abbccf569819d9b2b35" > OnMediaEnd< / a > (has_init_range,< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   init_range_start,< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   init_range_end,< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   has_index_range,< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   index_range_start,< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   index_range_end,< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   duration_seconds,< / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   file_size);< / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   }< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   uint64_t MP4Muxer::IsoTimeNow() {< / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "comment" > // Time in seconds from Jan. 1, 1904 to epoch time, i.e. Jan. 1, 1970.< / span > < / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keyword" > const< / span > uint64_t kIsomTimeOffset = 2082844800l;< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "keywordflow" > return< / span > kIsomTimeOffset +< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   (clock() ? clock()-> Now() : base::Time::Now()).ToDoubleT();< / div >
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< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   }< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < / div >
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< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   } < span class = "comment" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1MuxerListener_html_ac89a028372db9abbccf569819d9b2b35" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ac89a028372db9abbccf569819d9b2b35" > shaka::media::MuxerListener::OnMediaEnd< / a > < / div > < div class = "ttdeci" > virtual void OnMediaEnd(bool has_init_range, uint64_t init_range_start, uint64_t init_range_end, bool has_index_range, uint64_t index_range_start, uint64_t index_range_end, float duration_seconds, uint64_t file_size)=0< / div > < / div >
2016-07-19 18:58:22 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html_a5397ee8759a663aea68261600e528d82" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html#a5397ee8759a663aea68261600e528d82" > shaka::media::MuxerOptions::output_file_name< / a > < / div > < div class = "ttdeci" > std::string output_file_name< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00062" > muxer_options.h:62< / a > < / div > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1mp4_1_1MP4Muxer_html_a5b6a878865250e3e17268c011a361497" > < div class = "ttname" > < a href = "../../db/d30/classshaka_1_1media_1_1mp4_1_1MP4Muxer.html#a5b6a878865250e3e17268c011a361497" > shaka::media::mp4::MP4Muxer::MP4Muxer< / a > < / div > < div class = "ttdeci" > MP4Muxer(const MuxerOptions & options)< / div > < div class = "ttdoc" > Create a MP4Muxer object from MuxerOptions. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/d88/mp4__muxer_8cc_source.html#l00082" > mp4_muxer.cc:82< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "structshaka_1_1media_1_1MuxerOptions_html" > < div class = "ttname" > < a href = "../../d0/d27/structshaka_1_1media_1_1MuxerOptions.html" > shaka::media::MuxerOptions< / a > < / div > < div class = "ttdoc" > This structure contains the list of configuration options for Muxer. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00018" > muxer_options.h:18< / a > < / div > < / div >
2016-08-19 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1File_html_a6981994874ee5832e3394744fd51fd79" > < div class = "ttname" > < a href = "../../d3/d61/classshaka_1_1media_1_1File.html#a6981994874ee5832e3394744fd51fd79" > shaka::media::File::GetFileSize< / a > < / div > < div class = "ttdeci" > static int64_t GetFileSize(const char *file_name)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/dfc/file_8cc_source.html#l00176" > file.cc:176< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1Muxer_html" > < div class = "ttname" > < a href = "../../df/d46/classshaka_1_1media_1_1Muxer.html" > shaka::media::Muxer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../db/df6/muxer_8h_source.html#l00033" > muxer.h:33< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "classshaka_1_1media_1_1MuxerListener_html_a31536ec385a7ec22f323a42b872b499a" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#a31536ec385a7ec22f323a42b872b499a" > shaka::media::MuxerListener::OnMediaStart< / a > < / div > < div class = "ttdeci" > virtual void OnMediaStart(const MuxerOptions & muxer_options, const StreamInfo & stream_info, uint32_t time_scale, ContainerType container_type)=0< / div > < / div >
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Generated on Thu Sep 8 2016 17:18:14 for DASH Media Packaging SDK by   < a href = "http://www.doxygen.org/index.html" >
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