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< title > Shaka Packager SDK: packager/media/formats/mp2t/es_parser_adts.cc Source File< / title >
2015-10-16 00:33:37 +00:00
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< div id = "projectname" > Shaka Packager SDK
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< li class = "navelem" > < a class = "el" href = "../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html" > packager< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_f99dae54fe7170f791f339b952d5067a.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_375ba2cfd8fd5b05c50b92d996b9d386.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_35c1fdffcdd4ade6d7f948073ab165de.html" > mp2t< / a > < / li > < / ul >
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< / div >
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< div class = "header" >
< div class = "headertitle" >
< div class = "title" > es_parser_adts.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 The Chromium Authors. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style license that can be< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // found in the LICENSE file.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp2t/es_parser_adts.h" < / 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 < stdint.h> < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
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< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include < list> < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/base/strings/string_number_conversions.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/base/audio_timestamp_helper.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/base/bit_reader.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/base/timestamp.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp2t/adts_header.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp2t/mp2t_common.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "preprocessor" > #include " packager/media/formats/mpeg/adts_constants.h" < / span > < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "comment" > // Return true if buf corresponds to an ADTS syncword.< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "comment" > // |buf| size must be at least 2.< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > bool< / span > isAdtsSyncWord(< span class = "keyword" > const< / span > uint8_t* buf) {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "keywordflow" > return< / span > (buf[0] == 0xff) & & ((buf[1] & 0xf6) == 0xf0);< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   }< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // Look for an ADTS syncword.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > // |new_pos| returns< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "comment" > // - either the byte position of the ADTS frame (if found)< / span > < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "comment" > // - or the byte position of 1st byte that was not processed (if not found).< / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // In every case, the returned value in |new_pos| is such that new_pos > = pos< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // |frame_sz| returns the size of the ADTS frame (if found).< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "comment" > // Return whether a syncword was found.< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keyword" > static< / span > < span class = "keywordtype" > bool< / span > LookForSyncWord(< span class = "keyword" > const< / span > uint8_t* raw_es,< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordtype" > int< / span > raw_es_size,< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > int< / span > pos,< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordtype" > int< / span > * new_pos,< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keywordtype" > int< / span > * frame_sz) {< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   DCHECK_GE(pos, 0);< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   DCHECK_LE(pos, raw_es_size);< / 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 >   < span class = "keywordtype" > int< / span > max_offset = raw_es_size - kAdtsHeaderMinSize;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordflow" > if< / span > (pos > = max_offset) {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "comment" > // Do not change the position if:< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // - max_offset < 0: not enough bytes to get a full header< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // Since pos > = 0, this is a subcase of the next condition.< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // - pos > = max_offset: might be the case after reading one full frame,< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "comment" > // |pos| is then incremented by the frame size and might then point< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "comment" > // to the end of the buffer.< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   *new_pos = pos;< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   }< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > offset = pos; offset < max_offset; offset++) {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keyword" > const< / span > uint8_t* cur_buf = & raw_es[offset];< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > if< / span > (!isAdtsSyncWord(cur_buf))< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // The first 12 bits must be 1.< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // The layer field (2 bits) must be set to 0.< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > continue< / span > ;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
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< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordtype" > int< / span > frame_size = < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < a class = "code" href = "../../d3/d0c/classshaka_1_1media_1_1mp2t_1_1AdtsHeader.html#a149fb9c7fa2718d719008af2dce8157f" > mp2t::AdtsHeader::GetAdtsFrameSize< / a > (cur_buf, kAdtsHeaderMinSize));< / div >
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< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordflow" > if< / span > (frame_size < kAdtsHeaderMinSize) {< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < span class = "comment" > // Too short to be an ADTS frame.< / span > < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "keywordflow" > continue< / 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 >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > // Check whether there is another frame< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > // |size| apart from the current one.< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "keywordtype" > int< / span > remaining_size = raw_es_size - offset;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "keywordflow" > if< / span > (remaining_size > = frame_size + 2 & & < / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   !isAdtsSyncWord(& cur_buf[frame_size])) {< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > continue< / 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 >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   *new_pos = offset;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   *frame_sz = frame_size;< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   }< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   *new_pos = max_offset;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   }< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "keyword" > namespace < / span > mp2t {< / 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 >   EsParserAdts::EsParserAdts(uint32_t pid,< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "keyword" > const< / span > NewStreamInfoCB& new_stream_info_cb,< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > const< / span > EmitSampleCB& emit_sample_cb,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordtype" > bool< / span > sbr_in_mimetype)< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   : EsParser(pid),< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   new_stream_info_cb_(new_stream_info_cb),< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   emit_sample_cb_(emit_sample_cb),< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   sbr_in_mimetype_(sbr_in_mimetype) {< / 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 >   EsParserAdts::~EsParserAdts() {< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   }< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keywordtype" > bool< / span > EsParserAdts::Parse(< span class = "keyword" > const< / span > uint8_t* buf,< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keywordtype" > int< / span > size,< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   int64_t pts,< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   int64_t dts) {< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > int< / span > raw_es_size;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keyword" > const< / span > uint8_t* raw_es;< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // The incoming PTS applies to the access unit that comes just after< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // the beginning of |buf|.< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > if< / span > (pts != kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   es_byte_queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a838fe5642e533477a5e229981e5f06e7" > Peek< / a > (& raw_es, & raw_es_size);< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   pts_list_.push_back(EsPts(raw_es_size, pts));< / 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 >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "comment" > // Copy the input data to the ES buffer.< / span > < / div >
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< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   es_byte_queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#acea792e406efe5119cec2e3e522e02c2" > Push< / a > (buf, static_cast< int> (size));< / div >
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< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   es_byte_queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a838fe5642e533477a5e229981e5f06e7" > Peek< / a > (& raw_es, & raw_es_size);< / 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 >   < span class = "comment" > // Look for every ADTS frame in the ES buffer starting at offset = 0< / span > < / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "keywordtype" > int< / span > es_position = 0;< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "keywordtype" > int< / span > frame_size;< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > while< / span > (LookForSyncWord(raw_es, raw_es_size, es_position,< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   & es_position, & frame_size)) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keyword" > const< / span > uint8_t* frame_ptr = raw_es + es_position;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   DVLOG(LOG_LEVEL_ES)< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < < < span class = "stringliteral" > " ADTS syncword @ pos=" < / span > < < es_position< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < < < span class = "stringliteral" > " frame_size=" < / span > < < frame_size;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   DVLOG(LOG_LEVEL_ES)< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < < < span class = "stringliteral" > " ADTS header: " < / span > < / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < < base::HexEncode(frame_ptr, kAdtsHeaderMinSize);< / 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 >   < span class = "comment" > // Do not process the frame if this one is a partial frame.< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordtype" > int< / span > remaining_size = raw_es_size - es_position;< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < span class = "keywordflow" > if< / span > (frame_size > remaining_size)< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < span class = "keywordtype" > size_t< / span > header_size = < a class = "code" href = "../../d3/d0c/classshaka_1_1media_1_1mp2t_1_1AdtsHeader.html#a107e1269d5f826583c1940fb50c8cf92" > AdtsHeader::GetAdtsHeaderSize< / a > (frame_ptr, frame_size);< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > // Update the audio configuration if needed.< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   DCHECK_GE(frame_size, kAdtsHeaderMinSize);< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "keywordflow" > if< / span > (!UpdateAudioConfiguration(frame_ptr, frame_size))< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "comment" > // Get the PTS & the duration of this access unit.< / span > < / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > while< / span > (!pts_list_.empty() & & < / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   pts_list_.front().first < = es_position) {< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   audio_timestamp_helper_-> SetBaseTimestamp(pts_list_.front().second);< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   pts_list_.pop_front();< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   }< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   int64_t current_pts = audio_timestamp_helper_-> GetTimestamp();< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   int64_t frame_duration =< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   audio_timestamp_helper_-> GetFrameDuration(kSamplesPerAACFrame);< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // Emit an audio frame.< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordtype" > bool< / span > is_key_frame = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   < / div >
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< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   std::shared_ptr< MediaSample> sample = < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#ad8975dbb21747ff32c8604f5489bf5c9" > MediaSample::CopyFrom< / a > (< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   frame_ptr + header_size, frame_size - header_size, is_key_frame);< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   sample-> set_pts(current_pts);< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   sample-> set_dts(current_pts);< / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   sample-> set_duration(frame_duration);< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   emit_sample_cb_.Run(pid(), sample);< / 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 >   < span class = "comment" > // Update the PTS of the next frame.< / span > < / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   audio_timestamp_helper_-> AddFrames(kSamplesPerAACFrame);< / div >
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< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < / div >
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< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "comment" > // Skip the current frame.< / span > < / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   es_position += frame_size;< / 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 >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // Discard all the bytes that have been processed.< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   DiscardEs(es_position);< / div >
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< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < / div >
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< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   }< / div >
2016-08-23 20:33:23 +00:00
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < / div >
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< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "keywordtype" > void< / span > EsParserAdts::Flush() {< / div >
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< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   }< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < / div >
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< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < span class = "keywordtype" > void< / span > EsParserAdts::Reset() {< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   es_byte_queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#ab1659ef71098c37e9fb4e55ab1664e84" > Reset< / a > ();< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   pts_list_.clear();< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   last_audio_decoder_config_ = std::shared_ptr< AudioStreamInfo> ();< / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   }< / 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 >   < span class = "keywordtype" > bool< / span > EsParserAdts::UpdateAudioConfiguration(< span class = "keyword" > const< / span > uint8_t* adts_frame,< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   < span class = "keywordtype" > size_t< / span > adts_frame_size) {< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keyword" > const< / span > uint8_t kAacSampleSizeBits(16);< / 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 >   AdtsHeader adts_header;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > if< / span > (!adts_header.Parse(adts_frame, adts_frame_size)) {< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Error parsing ADTS frame header." < / span > ;< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / 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 >   std::vector< uint8_t> audio_specific_config;< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "keywordflow" > if< / span > (!adts_header.GetAudioSpecificConfig(& audio_specific_config))< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > if< / span > (last_audio_decoder_config_) {< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   < span class = "comment" > // Verify that the audio decoder config has not changed.< / span > < / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > if< / span > (last_audio_decoder_config_-> codec_config() == audio_specific_config) {< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "comment" > // Audio configuration has not changed.< / span > < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   }< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Varying audio configurations are not supported." < / span > ;< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   }< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "comment" > // The following code is written according to ISO 14496 Part 3 Table 1.11 and< / span > < / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "comment" > // Table 1.22. (Table 1.11 refers to the capping to 48000, Table 1.22 refers< / span > < / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "comment" > // to SBR doubling the AAC sample rate.)< / span > < / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordtype" > int< / span > samples_per_second = adts_header.GetSamplingFrequency();< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   < span class = "keywordtype" > int< / span > extended_samples_per_second = sbr_in_mimetype_< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   ? std::min(2 * samples_per_second, 48000)< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   : samples_per_second;< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   < / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   last_audio_decoder_config_ = std::make_shared< AudioStreamInfo> (< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   pid(), kMpeg2Timescale, kInfiniteDuration, kCodecAAC,< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < a class = "code" href = "../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html#aee79e7aa61b741bb96f451c6de1c9d42" > AudioStreamInfo::GetCodecString< / a > (kCodecAAC, adts_header.GetObjectType()),< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   audio_specific_config.data(), audio_specific_config.size(),< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   kAacSampleSizeBits, adts_header.GetNumChannels(),< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   extended_samples_per_second, 0 < span class = "comment" > /* seek preroll */< / span > , 0 < span class = "comment" > /* codec delay */< / span > ,< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   0 < span class = "comment" > /* max bitrate */< / span > , 0 < span class = "comment" > /* avg bitrate */< / span > , std::string(), < span class = "keyword" > false< / span > );< / 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 >   DVLOG(1) < < < span class = "stringliteral" > " Sampling frequency: " < / span > < < samples_per_second;< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   DVLOG(1) < < < span class = "stringliteral" > " Extended sampling frequency: " < / span > < < extended_samples_per_second;< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   DVLOG(1) < < < span class = "stringliteral" > " Channel config: " < / span > < < adts_header.GetNumChannels();< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   DVLOG(1) < < < span class = "stringliteral" > " Object type: " < / span > < < adts_header.GetObjectType();< / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "comment" > // Reset the timestamp helper to use a new sampling frequency.< / span > < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   < span class = "keywordflow" > if< / span > (audio_timestamp_helper_) {< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   int64_t base_timestamp = audio_timestamp_helper_-> GetTimestamp();< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   audio_timestamp_helper_.reset(< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < span class = "keyword" > new< / span > AudioTimestampHelper(kMpeg2Timescale, samples_per_second));< / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   audio_timestamp_helper_-> SetBaseTimestamp(base_timestamp);< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   audio_timestamp_helper_.reset(< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < span class = "keyword" > new< / span > AudioTimestampHelper(kMpeg2Timescale, extended_samples_per_second));< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   }< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // Audio config notification.< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   new_stream_info_cb_.Run(last_audio_decoder_config_);< / div >
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< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < / div >
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< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   }< / div >
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< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < / div >
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< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keywordtype" > void< / span > EsParserAdts::DiscardEs(< span class = "keywordtype" > int< / span > nbytes) {< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   DCHECK_GE(nbytes, 0);< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keywordflow" > if< / span > (nbytes < = 0)< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "comment" > // Adjust the ES position of each PTS.< / span > < / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < span class = "keywordflow" > for< / span > (EsPtsList::iterator it = pts_list_.begin(); it != pts_list_.end(); ++it)< / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   it-> first -= nbytes;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   < span class = "comment" > // Discard |nbytes| of ES.< / span > < / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   es_byte_queue_.< a class = "code" href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a31b30d39d14fca3ce722b4233de95c79" > Pop< / a > (nbytes);< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   }< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   } < span class = "comment" > // namespace mp2t< / span > < / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1ByteQueue_html_acea792e406efe5119cec2e3e522e02c2" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#acea792e406efe5119cec2e3e522e02c2" > shaka::media::ByteQueue::Push< / a > < / div > < div class = "ttdeci" > void Push(const uint8_t *data, int size)< / div > < div class = "ttdoc" > Append new bytes to the end of the queue. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00029" > byte_queue.cc:29< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ByteQueue_html_a31b30d39d14fca3ce722b4233de95c79" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a31b30d39d14fca3ce722b4233de95c79" > shaka::media::ByteQueue::Pop< / a > < / div > < div class = "ttdeci" > void Pop(int count)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00070" > byte_queue.cc:70< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1mp2t_1_1AdtsHeader_html_a149fb9c7fa2718d719008af2dce8157f" > < div class = "ttname" > < a href = "../../d3/d0c/classshaka_1_1media_1_1mp2t_1_1AdtsHeader.html#a149fb9c7fa2718d719008af2dce8157f" > shaka::media::mp2t::AdtsHeader::GetAdtsFrameSize< / a > < / div > < div class = "ttdeci" > static size_t GetAdtsFrameSize(const uint8_t *data, size_t num_bytes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d5b/adts__header_8cc_source.html#l00023" > adts_header.cc:23< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ByteQueue_html_ab1659ef71098c37e9fb4e55ab1664e84" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#ab1659ef71098c37e9fb4e55ab1664e84" > shaka::media::ByteQueue::Reset< / a > < / div > < div class = "ttdeci" > void Reset()< / div > < div class = "ttdoc" > Reset the queue to the empty state. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00024" > byte_queue.cc:24< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1ByteQueue_html_a838fe5642e533477a5e229981e5f06e7" > < div class = "ttname" > < a href = "../../d7/dda/classshaka_1_1media_1_1ByteQueue.html#a838fe5642e533477a5e229981e5f06e7" > shaka::media::ByteQueue::Peek< / a > < / div > < div class = "ttdeci" > void Peek(const uint8_t **data, int *size) const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/df9/byte__queue_8cc_source.html#l00063" > byte_queue.cc:63< / a > < / div > < / div >
2017-09-20 02:35:05 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1AudioStreamInfo_html_aee79e7aa61b741bb96f451c6de1c9d42" > < div class = "ttname" > < a href = "../../da/d4e/classshaka_1_1media_1_1AudioStreamInfo.html#aee79e7aa61b741bb96f451c6de1c9d42" > shaka::media::AudioStreamInfo::GetCodecString< / a > < / div > < div class = "ttdeci" > static std::string GetCodecString(Codec codec, uint8_t audio_object_type)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../da/d04/audio__stream__info_8cc_source.html#l00099" > audio_stream_info.cc:99< / a > < / div > < / div >
2017-10-24 22:51:02 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1MediaSample_html_ad8975dbb21747ff32c8604f5489bf5c9" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#ad8975dbb21747ff32c8604f5489bf5c9" > shaka::media::MediaSample::CopyFrom< / a > < / div > < div class = "ttdeci" > static std::shared_ptr< MediaSample > CopyFrom(const uint8_t *data, size_t size, bool is_key_frame)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d0d/media__sample_8cc_source.html#l00042" > media_sample.cc:42< / a > < / div > < / div >
2016-05-24 23:43:16 +00:00
< div class = "ttc" id = "classshaka_1_1media_1_1mp2t_1_1AdtsHeader_html_a107e1269d5f826583c1940fb50c8cf92" > < div class = "ttname" > < a href = "../../d3/d0c/classshaka_1_1media_1_1mp2t_1_1AdtsHeader.html#a107e1269d5f826583c1940fb50c8cf92" > shaka::media::mp2t::AdtsHeader::GetAdtsHeaderSize< / a > < / div > < div class = "ttdeci" > static size_t GetAdtsHeaderSize(const uint8_t *data, size_t num_bytes)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/d5b/adts__header_8cc_source.html#l00031" > adts_header.cc:31< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
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2015-10-16 00:33:37 +00:00
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