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< 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 = "title" > multi_segment_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 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/multi_segment_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/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_util.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/buffer_writer.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 >
< 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/event/muxer_listener.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/file/file.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/box_definitions.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > namespace < / span > mp4 {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   MultiSegmentSegmenter::MultiSegmentSegmenter(< span class = "keyword" > const< / span > MuxerOptions& options,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   scoped_ptr< FileType> ftyp,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   scoped_ptr< Movie> moov)< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   : Segmenter(options, ftyp.Pass(), moov.Pass()),< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   styp_(new SegmentType),< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   num_segments_(0) {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > // Use the same brands for styp as ftyp.< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   styp_-> major_brand = Segmenter::ftyp()-> major_brand;< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   styp_-> compatible_brands = Segmenter::ftyp()-> compatible_brands;< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   }< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   MultiSegmentSegmenter::~MultiSegmentSegmenter() {}< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
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< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a88be93ad6cce209ceaf086ab98009516" > 36< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a88be93ad6cce209ceaf086ab98009516" > MultiSegmentSegmenter::GetInitRange< / a > (< span class = "keywordtype" > size_t< / span > * offset, < span class = "keywordtype" > size_t< / span > * size) {< / div >
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< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   DLOG(INFO) < < < span class = "stringliteral" > " MultiSegmentSegmenter outputs init segment: " < / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < < options().< a class = "code" href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963" > output_file_name< / a > ;< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   }< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
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< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a789a8b0449e433076dfc0c2344d32280" > 42< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a789a8b0449e433076dfc0c2344d32280" > MultiSegmentSegmenter::GetIndexRange< / a > (< span class = "keywordtype" > size_t< / span > * offset, < span class = "keywordtype" > size_t< / span > * size) {< / div >
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< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   DLOG(INFO) < < < span class = "stringliteral" > " MultiSegmentSegmenter does not have index range." < / span > ;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   }< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > MultiSegmentSegmenter::DoInitialize() {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   DCHECK(ftyp());< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   DCHECK(moov());< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // Generate the output file with init segment.< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html" > File< / a > * file = < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5" > File::Open< / a > (options().output_file_name.c_str(), < span class = "stringliteral" > " w" < / span > );< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordflow" > if< / span > (file == NULL) {< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > (error::FILE_FAILURE,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "stringliteral" > " Cannot open file for write " < / span > + options().output_file_name);< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   }< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   scoped_ptr< BufferWriter> buffer(< span class = "keyword" > new< / span > < a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > BufferWriter< / a > );< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   ftyp()-> < a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html#aa7a756828b5514fcd3eaf16d86c413c0" > Write< / a > (buffer.get());< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   moov()-> < a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html#aa7a756828b5514fcd3eaf16d86c413c0" > Write< / a > (buffer.get());< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > status = buffer-> WriteToFile(file);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keywordflow" > if< / span > (!file-> < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a42290da768cd34316d2f4c5fc3976b38" > Close< / a > ()) {< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Failed to close the file properly: " < / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < < options().< a class = "code" href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963" > output_file_name< / a > ;< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   }< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   }< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   Status MultiSegmentSegmenter::DoFinalize() {< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < a class = "code" href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a4e58a007d4daafe1b49a70d39e52e339" > SetComplete< / a > ();< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   }< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   Status MultiSegmentSegmenter::DoFinalizeSegment() {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   DCHECK(sidx());< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > // earliest_presentation_time is the earliest presentation time of any< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > // access unit in the reference stream in the first subsegment.< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > // It will be re-calculated later when subsegments are finalized.< / span > < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   sidx()-> earliest_presentation_time =< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   sidx()-> references[0].earliest_presentation_time;< / 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 = "keywordflow" > if< / span > (options().num_subsegments_per_sidx < = 0)< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > return< / span > WriteSegment();< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // sidx() contains pre-generated segment references with one reference per< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // fragment. Calculate |num_fragments_per_subsegment| and combine< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "comment" > // pre-generated references into final subsegment references.< / span > < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   uint32_t num_fragments = sidx()-> references.size();< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   uint32_t num_fragments_per_subsegment =< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   (num_fragments - 1) / options().< a class = "code" href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a93714f081569ea56ed626eb057c1761f" > num_subsegments_per_sidx< / a > + 1;< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordflow" > if< / span > (num_fragments_per_subsegment < = 1)< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keywordflow" > return< / span > WriteSegment();< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   uint32_t frag_index = 0;< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   uint32_t subseg_index = 0;< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   std::vector< SegmentReference> & refs = sidx()-> references;< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   uint64_t first_sap_time =< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   refs[0].sap_delta_time + refs[0].earliest_presentation_time;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > for< / span > (uint32_t i = 1; i < num_fragments; ++i) {< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   refs[subseg_index].referenced_size += refs[i].referenced_size;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   refs[subseg_index].subsegment_duration += refs[i].subsegment_duration;< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   refs[subseg_index].earliest_presentation_time =< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   std::min(refs[subseg_index].earliest_presentation_time,< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   refs[i].earliest_presentation_time);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > if< / span > (refs[subseg_index].sap_type == SegmentReference::TypeUnknown & & < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   refs[i].sap_type != SegmentReference::TypeUnknown) {< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   refs[subseg_index].sap_type = refs[i].sap_type;< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   first_sap_time =< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   refs[i].sap_delta_time + refs[i].earliest_presentation_time;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   }< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > if< / span > (++frag_index > = num_fragments_per_subsegment) {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // Calculate sap delta time w.r.t. sidx_-> earliest_presentation_time.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > if< / span > (refs[subseg_index].sap_type != SegmentReference::TypeUnknown) {< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   refs[subseg_index].sap_delta_time =< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   first_sap_time - refs[subseg_index].earliest_presentation_time;< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   }< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > if< / span > (++i > = num_fragments)< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   refs[++subseg_index] = refs[i];< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   first_sap_time =< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   refs[i].sap_delta_time + refs[i].earliest_presentation_time;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   frag_index = 1;< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   }< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   refs.resize(options().num_subsegments_per_sidx);< / 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 >   < span class = "comment" > // earliest_presentation_time is the earliest presentation time of any< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "comment" > // access unit in the reference stream in the first subsegment.< / span > < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   sidx()-> earliest_presentation_time = refs[0].earliest_presentation_time;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > return< / span > WriteSegment();< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   }< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   Status MultiSegmentSegmenter::WriteSegment() {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   DCHECK(sidx());< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   DCHECK(fragment_buffer());< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   DCHECK(styp_);< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   scoped_ptr< BufferWriter> buffer(< span class = "keyword" > new< / span > BufferWriter());< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   File* file;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   std::string file_name;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordflow" > if< / span > (options().segment_template.empty()) {< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "comment" > // Append the segment to output file if segment template is not specified.< / span > < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   file_name = options().< a class = "code" href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963" > output_file_name< / a > .c_str();< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   file = < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5" > File::Open< / a > (file_name.c_str(), < span class = "stringliteral" > " a" < / span > );< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keywordflow" > if< / span > (file == NULL) {< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > return< / span > Status(< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   error::FILE_FAILURE,< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "stringliteral" > " Cannot open file for append " < / span > + options().output_file_name);< / 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" > else< / span > {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   file = < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5" > File::Open< / a > (GetSegmentName(options().segment_template,< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   sidx()-> earliest_presentation_time,< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   num_segments_++,< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   options().bandwidth).c_str(),< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "stringliteral" > " w" < / span > );< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keywordflow" > if< / span > (file == NULL) {< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > return< / span > Status(error::FILE_FAILURE,< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "stringliteral" > " Cannot open file for write " < / span > + file_name);< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   }< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   styp_-> Write(buffer.get());< / 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 >   < / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   < span class = "comment" > // If num_subsegments_per_sidx is negative, no SIDX box is generated.< / span > < / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   < span class = "keywordflow" > if< / span > (options().< a class = "code" href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a93714f081569ea56ed626eb057c1761f" > num_subsegments_per_sidx< / a > > = 0)< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   sidx()-> < a class = "code" href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html#aa7a756828b5514fcd3eaf16d86c413c0" > Write< / a > (buffer.get());< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > segment_size = buffer-> Size() + fragment_buffer()-> Size();< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   DCHECK_NE(segment_size, 0u);< / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   Status status = buffer-> WriteToFile(file);< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > if< / span > (status.ok())< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   status = fragment_buffer()-> < a class = "code" href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#aa83fe945386e5a75d3c377904fdddce2" > WriteToFile< / a > (file);< / 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 >   < span class = "keywordflow" > if< / span > (!file-> Close())< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   LOG(WARNING) < < < span class = "stringliteral" > " Failed to close the file properly: " < / span > < < file_name;< / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   uint64_t segment_duration = 0;< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // ISO/IEC 23009-1:2012: the value shall be identical to sum of the the< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > // values of all Subsegment_duration fields in the first ‘ ’ < / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < sidx()-> references.size(); ++i)< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   segment_duration += sidx()-> references[i].subsegment_duration;< / 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 >   < a class = "code" href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9" > UpdateProgress< / a > (segment_duration);< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "keywordflow" > if< / span > (muxer_listener()) {< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   muxer_listener()-> < a class = "code" href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a5626ff553138db438c561db2ca0d05f2" > OnSampleDurationReady< / a > (< a class = "code" href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ac2883a5eb0bd7abb50bc3968ac417901" > sample_duration< / a > ());< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   muxer_listener()-> OnNewSegment(< / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   sidx()-> earliest_presentation_time, segment_duration, segment_size);< / 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 >   < / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   }< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   < / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   } < span class = "comment" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "ttc" id = "structedash__packager_1_1media_1_1MuxerOptions_html_addd401a47b287f3c18cbdc4bfa1a6963" > < div class = "ttname" > < a href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#addd401a47b287f3c18cbdc4bfa1a6963" > edash_packager::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#l00055" > muxer_options.h:55< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1File_html_a42290da768cd34316d2f4c5fc3976b38" > < div class = "ttname" > < a href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a42290da768cd34316d2f4c5fc3976b38" > edash_packager::media::File::Close< / a > < / div > < div class = "ttdeci" > virtual bool Close()=0< / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1File_html" > < div class = "ttname" > < a href = "../../de/d19/classedash__packager_1_1media_1_1File.html" > edash_packager::media::File< / a > < / div > < div class = "ttdoc" > Define an abstract file interface. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d4d/file_8h_source.html#l00022" > file.h:22< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1File_html_a0933ccd7df76fcf8fbcfe12c15dbf6c5" > < div class = "ttname" > < a href = "../../de/d19/classedash__packager_1_1media_1_1File.html#a0933ccd7df76fcf8fbcfe12c15dbf6c5" > edash_packager::media::File::Open< / a > < / div > < div class = "ttdeci" > virtual bool Open()=0< / div > < div class = "ttdoc" > Internal open. Should not be used directly. < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > edash_packager::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00076" > status.h:76< / a > < / div > < / div >
2015-10-19 17:27:30 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter_html_a789a8b0449e433076dfc0c2344d32280" > < div class = "ttname" > < a href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a789a8b0449e433076dfc0c2344d32280" > edash_packager::media::mp4::MultiSegmentSegmenter::GetIndexRange< / a > < / div > < div class = "ttdeci" > bool GetIndexRange(size_t *offset, size_t *size) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df1/multi__segment__segmenter_8cc_source.html#l00042" > multi_segment_segmenter.cc:42< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferWriter_html_aa83fe945386e5a75d3c377904fdddce2" > < div class = "ttname" > < a href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html#aa83fe945386e5a75d3c377904fdddce2" > edash_packager::media::BufferWriter::WriteToFile< / a > < / div > < div class = "ttdeci" > Status WriteToFile(File *file)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd3/buffer__writer_8cc_source.html#l00065" > buffer_writer.cc:65< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_ac2883a5eb0bd7abb50bc3968ac417901" > < div class = "ttname" > < a href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#ac2883a5eb0bd7abb50bc3968ac417901" > edash_packager::media::mp4::Segmenter::sample_duration< / a > < / div > < div class = "ttdeci" > uint32_t sample_duration() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d4/dd4/segmenter_8h_source.html#l00101" > segmenter.h:101< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_a287d51571c92704274550d9f1d246cf9" > < div class = "ttname" > < a href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a287d51571c92704274550d9f1d246cf9" > edash_packager::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 = "../../d1/d08/segmenter_8cc_source.html#l00333" > segmenter.cc:333< / a > < / div > < / div >
< div class = "ttc" id = "structedash__packager_1_1media_1_1MuxerOptions_html_a93714f081569ea56ed626eb057c1761f" > < div class = "ttname" > < a href = "../../de/d57/structedash__packager_1_1media_1_1MuxerOptions.html#a93714f081569ea56ed626eb057c1761f" > edash_packager::media::MuxerOptions::num_subsegments_per_sidx< / a > < / div > < div class = "ttdeci" > int num_subsegments_per_sidx< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d0e/muxer__options_8h_source.html#l00050" > muxer_options.h:50< / a > < / div > < / div >
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1Box_html_aa7a756828b5514fcd3eaf16d86c413c0" > < div class = "ttname" > < a href = "../../d7/d8a/structedash__packager_1_1media_1_1mp4_1_1Box.html#aa7a756828b5514fcd3eaf16d86c413c0" > edash_packager::media::mp4::Box::Write< / a > < / div > < div class = "ttdeci" > void Write(BufferWriter *writer)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d4d/box_8cc_source.html#l00025" > box.cc:25< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1Segmenter_html_a4e58a007d4daafe1b49a70d39e52e339" > < div class = "ttname" > < a href = "../../dc/de1/classedash__packager_1_1media_1_1mp4_1_1Segmenter.html#a4e58a007d4daafe1b49a70d39e52e339" > edash_packager::media::mp4::Segmenter::SetComplete< / a > < / div > < div class = "ttdeci" > void SetComplete()< / div > < div class = "ttdoc" > Set progress to 100%. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d08/segmenter_8cc_source.html#l00349" > segmenter.cc:349< / a > < / div > < / div >
2015-10-19 17:27:30 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter_html_a88be93ad6cce209ceaf086ab98009516" > < div class = "ttname" > < a href = "../../dc/d7a/classedash__packager_1_1media_1_1mp4_1_1MultiSegmentSegmenter.html#a88be93ad6cce209ceaf086ab98009516" > edash_packager::media::mp4::MultiSegmentSegmenter::GetInitRange< / a > < / div > < div class = "ttdeci" > bool GetInitRange(size_t *offset, size_t *size) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df1/multi__segment__segmenter_8cc_source.html#l00036" > multi_segment_segmenter.cc:36< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1MuxerListener_html_a5626ff553138db438c561db2ca0d05f2" > < div class = "ttname" > < a href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a5626ff553138db438c561db2ca0d05f2" > edash_packager::media::MuxerListener::OnSampleDurationReady< / a > < / div > < div class = "ttdeci" > virtual void OnSampleDurationReady(uint32_t sample_duration)=0< / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1BufferWriter_html" > < div class = "ttname" > < a href = "../../df/dde/classedash__packager_1_1media_1_1BufferWriter.html" > edash_packager::media::BufferWriter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/dd2/buffer__writer_8h_source.html#l00022" > buffer_writer.h:22< / a > < / div > < / div >
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