2015-10-19 17:27:30 +00:00
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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_5039d854a18988ed1f1dbebc120ffbf7.html" > webm< / a > < / li > < / ul >
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< div class = "title" > webm_cluster_parser.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 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/webm/webm_cluster_parser.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 < vector> < / 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/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/sys_byteorder.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/decrypt_config.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/media/base/timestamp.h" < / span > < / div >
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< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/codecs/vp8_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/codecs/vp9_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/codecs/webvtt_util.h" < / span > < / div >
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< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/webm_constants.h" < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/webm_crypto_helpers.h" < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/webm_webvtt_parser.h" < / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
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< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "keyword" > const< / span > int64_t kMicrosecondsPerMillisecond = 1000;< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "comment" > // Helper function used to inspect block data to determine if the< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > // block is a keyframe.< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > // |data| contains the bytes in the block.< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > // |size| indicates the number of bytes in |data|.< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keywordtype" > bool< / span > IsKeyframe(< span class = "keywordtype" > bool< / span > is_video,< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   VideoCodec codec,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keywordtype" > int< / span > size) {< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "comment" > // For now, assume that all blocks are keyframes for datatypes other than< / span > < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "comment" > // video. This is a valid assumption for Vorbis, WebVTT, & Opus.< / span > < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordflow" > if< / span > (!is_video)< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
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< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < / div >
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< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordflow" > switch< / span > (codec) {< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > case< / span > kCodecVP8:< / div >
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< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d8/d14/classshaka_1_1media_1_1VP8Parser.html#afae2dcb0c2652d53f2e23c9d3c07db37" > VP8Parser::IsKeyframe< / a > (data, size);< / div >
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< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keywordflow" > case< / span > kCodecVP9:< / div >
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< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../db/d5a/classshaka_1_1media_1_1VP9Parser.html#a52e6a17fa34c5676cd0cdc547cb355a5" > VP9Parser::IsKeyframe< / a > (data, size);< / div >
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< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Unsupported codec " < / span > < < codec;< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   }< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   }< / div >
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< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < / div >
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< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
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< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a8a7c7e7ac6a5da1cd45ab50f914f6826" > 52< / a > < / span >   < a class = "code" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a8a7c7e7ac6a5da1cd45ab50f914f6826" > WebMClusterParser::WebMClusterParser< / a > (< / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   int64_t timecode_scale,< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   scoped_refptr< AudioStreamInfo> audio_stream_info,< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   scoped_refptr< VideoStreamInfo> video_stream_info,< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   int64_t audio_default_duration,< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   int64_t video_default_duration,< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keyword" > const< / span > WebMTracksParser::TextTracks& text_tracks,< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keyword" > const< / span > std::set< int64_t> & ignored_tracks,< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keyword" > const< / span > std::string& audio_encryption_key_id,< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keyword" > const< / span > std::string& video_encryption_key_id,< / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891" > MediaParser::NewSampleCB< / a > & new_sample_cb,< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a95d25a50ad371304f1abce9971ce3704" > MediaParser::InitCB< / a > & init_cb,< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > KeySource< / a > * decryption_key_source)< / div >
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< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   : timecode_multiplier_(timecode_scale / 1000.0),< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   audio_stream_info_(audio_stream_info),< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   video_stream_info_(video_stream_info),< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   ignored_tracks_(ignored_tracks),< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   audio_encryption_key_id_(audio_encryption_key_id),< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   video_encryption_key_id_(video_encryption_key_id),< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   parser_(kWebMIdCluster, this),< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   initialized_(false),< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   init_cb_(init_cb),< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   cluster_start_time_(kNoTimestamp),< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   audio_(audio_stream_info ? audio_stream_info-> track_id() : -1,< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   false,< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   audio_default_duration,< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   new_sample_cb),< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   video_(video_stream_info ? video_stream_info-> track_id() : -1,< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   true,< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   video_default_duration,< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   new_sample_cb) {< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keywordflow" > if< / span > (decryption_key_source)< / div >
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< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   decryptor_source_.reset(< span class = "keyword" > new< / span > < a class = "code" href = "../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html" > DecryptorSource< / a > (decryption_key_source));< / div >
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< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < span class = "keywordflow" > for< / span > (WebMTracksParser::TextTracks::const_iterator it = text_tracks.begin();< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   it != text_tracks.end();< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   ++it) {< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   text_track_map_.insert(std::make_pair(< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   it-> first, Track(it-> first, < span class = "keyword" > false< / span > , kNoTimestamp, new_sample_cb)));< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   }< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   }< / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   WebMClusterParser::~WebMClusterParser() {}< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94" > 95< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94" > WebMClusterParser::Reset< / a > () {< / div >
2016-01-22 17:33:52 +00:00
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   last_block_timecode_ = -1;< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   cluster_timecode_ = -1;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   cluster_start_time_ = kNoTimestamp;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   cluster_ended_ = < span class = "keyword" > false< / span > ;< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   parser_.< a class = "code" href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#a4ebac4e1a4165017d206d4aa5c4c0350" > Reset< / a > ();< / div >
2016-01-22 17:33:52 +00:00
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   audio_.Reset();< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   video_.Reset();< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   ResetTextTracks();< / 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 >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee" > 106< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee" > WebMClusterParser::Flush< / a > () {< / div >
2016-01-22 17:33:52 +00:00
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // Estimate the duration of the last frame if necessary.< / span > < / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordtype" > bool< / span > audio_result = audio_.ApplyDurationEstimateIfNeeded();< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordtype" > bool< / span > video_result = video_.ApplyDurationEstimateIfNeeded();< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < a class = "code" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94" > Reset< / a > ();< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordflow" > return< / span > audio_result & & video_result;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   }< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > < a class = "line" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67" > 114< / a > < / span >   < span class = "keywordtype" > int< / span > < a class = "code" href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67" > WebMClusterParser::Parse< / a > (< span class = "keyword" > const< / span > uint8_t* buf, < span class = "keywordtype" > int< / span > size) {< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordtype" > int< / span > result = parser_.< a class = "code" href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#acd805b7eb25afcd9a3be2d8d88e3c6af" > Parse< / a > (buf, size);< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > if< / span > (result < 0) {< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   cluster_ended_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   }< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   cluster_ended_ = parser_.< a class = "code" href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#acf786fc2e07143c3f1a481401240d105" > IsParsingComplete< / a > ();< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keywordflow" > if< / span > (cluster_ended_) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   < span class = "comment" > // If there were no buffers in this cluster, set the cluster start time to< / span > < / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < span class = "comment" > // be the |cluster_timecode_|.< / span > < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keywordflow" > if< / span > (cluster_start_time_ == kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "comment" > // If the cluster did not even have a |cluster_timecode_|, signal parse< / span > < / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > // error.< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keywordflow" > if< / span > (cluster_timecode_ < 0)< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > return< / span > -1;< / 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 >   cluster_start_time_ = cluster_timecode_ * timecode_multiplier_;< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   }< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < span class = "comment" > // Reset the parser if we' re done parsing so that< / span > < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "comment" > // it is ready to accept another cluster on the next< / span > < / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "comment" > // call.< / span > < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   parser_.< a class = "code" href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#a4ebac4e1a4165017d206d4aa5c4c0350" > Reset< / a > ();< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   last_block_timecode_ = -1;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   cluster_timecode_ = -1;< / 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 >   < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keywordflow" > return< / span > result;< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   }< / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < a class = "code" href = "../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html" > WebMParserClient< / a > * WebMClusterParser::OnListStart(< span class = "keywordtype" > int< / span > < span class = "keywordtype" > id< / span > ) {< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == kWebMIdCluster) {< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   cluster_timecode_ = -1;< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   cluster_start_time_ = kNoTimestamp;< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == kWebMIdBlockGroup) {< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   block_data_.reset();< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   block_data_size_ = -1;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   block_duration_ = -1;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   discard_padding_ = -1;< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   discard_padding_set_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > == kWebMIdBlockAdditions) {< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   block_add_id_ = -1;< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   block_additional_data_.reset();< / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   block_additional_data_size_ = 0;< / 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 = "keywordflow" > return< / span > < span class = "keyword" > this< / span > ;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   }< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::OnListEnd(< span class = "keywordtype" > int< / span > < span class = "keywordtype" > id< / span > ) {< / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keywordflow" > if< / span > (< span class = "keywordtype" > id< / span > != kWebMIdBlockGroup)< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / 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 >   < span class = "comment" > // Make sure the BlockGroup actually had a Block.< / span > < / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   < span class = "keywordflow" > if< / span > (block_data_size_ == -1) {< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Block missing from BlockGroup." < / span > ;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   }< / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "keywordtype" > bool< / span > result = ParseBlock(< span class = "keyword" > false< / span > , block_data_.get(), block_data_size_,< / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   block_additional_data_.get(),< / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   block_additional_data_size_, block_duration_,< / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   discard_padding_set_ ? discard_padding_ : 0);< / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   block_data_.reset();< / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   block_data_size_ = -1;< / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   block_duration_ = -1;< / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   block_add_id_ = -1;< / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   block_additional_data_.reset();< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   block_additional_data_size_ = 0;< / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   discard_padding_ = -1;< / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   discard_padding_set_ = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "keywordflow" > return< / span > result;< / 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 > WebMClusterParser::OnUInt(< span class = "keywordtype" > int< / span > < span class = "keywordtype" > id< / span > , int64_t val) {< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   int64_t* dst;< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   < span class = "keywordflow" > switch< / span > (< span class = "keywordtype" > id< / span > ) {< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   < span class = "keywordflow" > case< / span > kWebMIdTimecode:< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   dst = & cluster_timecode_;< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   < span class = "keywordflow" > case< / span > kWebMIdBlockDuration:< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   dst = & block_duration_;< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   < span class = "keywordflow" > case< / span > kWebMIdBlockAddID:< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   dst = & block_add_id_;< / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   }< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   < span class = "keywordflow" > if< / span > (*dst != -1)< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   *dst = val;< / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00210" > < / a > < span class = "lineno" > 210< / span >   }< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   < / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::ParseBlock(< span class = "keywordtype" > bool< / span > is_simple_block,< / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "keyword" > const< / span > uint8_t* buf,< / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   < span class = "keywordtype" > int< / span > size,< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   < span class = "keyword" > const< / span > uint8_t* additional,< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   < span class = "keywordtype" > int< / span > additional_size,< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   < span class = "keywordtype" > int< / span > duration,< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   int64_t discard_padding) {< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   < span class = "keywordflow" > if< / span > (size < 4)< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / 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 >   < span class = "comment" > // Return an error if the trackNum > 127. We just aren' t< / span > < / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   < span class = "comment" > // going to support large track numbers right now.< / span > < / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordflow" > if< / span > (!(buf[0] & 0x80)) {< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   LOG(ERROR) < < < span class = "stringliteral" > " TrackNumber over 127 not supported" < / span > ;< / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   }< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < span class = "keywordtype" > int< / span > track_num = buf[0] & 0x7f;< / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordtype" > int< / span > timecode = buf[1] < < 8 | buf[2];< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   < span class = "keywordtype" > int< / span > flags = buf[3] & 0xff;< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   < span class = "keywordtype" > int< / span > lacing = (flags > > 1) & 0x3;< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < / div >
< div class = "line" > < a name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < span class = "keywordflow" > if< / span > (lacing) {< / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Lacing " < / span > < < lacing < < < span class = "stringliteral" > " is not supported yet." < / span > ;< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   < span class = "comment" > // Sign extend negative timecode offsets.< / span > < / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   < span class = "keywordflow" > if< / span > (timecode & 0x8000)< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   timecode |= ~0xffff;< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   < / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < span class = "keyword" > const< / span > uint8_t* frame_data = buf + 4;< / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   < span class = "keywordtype" > int< / span > frame_size = size - (frame_data - buf);< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "keywordflow" > return< / span > OnBlock(is_simple_block, track_num, timecode, duration, flags,< / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   frame_data, frame_size, additional, additional_size,< / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   discard_padding);< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   }< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::OnBinary(< span class = "keywordtype" > int< / span > < span class = "keywordtype" > id< / span > , < span class = "keyword" > const< / span > uint8_t* data, < span class = "keywordtype" > int< / span > size) {< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   < span class = "keywordflow" > switch< / span > (< span class = "keywordtype" > id< / span > ) {< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keywordflow" > case< / span > kWebMIdSimpleBlock:< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   < span class = "keywordflow" > return< / span > ParseBlock(< span class = "keyword" > true< / span > , data, size, NULL, 0, -1, 0);< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   < span class = "keywordflow" > case< / span > kWebMIdBlock:< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordflow" > if< / span > (block_data_) {< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   LOG(ERROR) < < < span class = "stringliteral" > " More than 1 Block in a BlockGroup is not " < / span > < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "stringliteral" > " supported." < / span > ;< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   }< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   block_data_.reset(< span class = "keyword" > new< / span > uint8_t[size]);< / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   memcpy(block_data_.get(), data, size);< / div >
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   block_data_size_ = size;< / div >
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "keywordflow" > case< / span > kWebMIdBlockAdditional: {< / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   uint64_t block_add_id = base::HostToNet64(block_add_id_);< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < span class = "keywordflow" > if< / span > (block_additional_data_) {< / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "comment" > // TODO: Technically, more than 1 BlockAdditional is allowed as per< / span > < / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "comment" > // matroska spec. But for now we don' t have a use case to support< / span > < / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   < span class = "comment" > // parsing of such files. Take a look at this again when such a case< / span > < / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   < span class = "comment" > // arises.< / span > < / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   LOG(ERROR) < < < span class = "stringliteral" > " More than 1 BlockAdditional in a " < / span > < / div >
< div class = "line" > < a name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < span class = "stringliteral" > " BlockGroup is not supported." < / span > ;< / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   }< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < span class = "comment" > // First 8 bytes of side_data in DecoderBuffer is the BlockAddID< / span > < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   < span class = "comment" > // element' s value in Big Endian format. This is done to mimic ffmpeg< / span > < / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   < span class = "comment" > // demuxer' s behavior.< / span > < / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   block_additional_data_size_ = size + < span class = "keyword" > sizeof< / span > (block_add_id);< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   block_additional_data_.reset(< span class = "keyword" > new< / span > uint8_t[block_additional_data_size_]);< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   memcpy(block_additional_data_.get(), & block_add_id,< / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keyword" > sizeof< / span > (block_add_id));< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   memcpy(block_additional_data_.get() + 8, data, size);< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   }< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < span class = "keywordflow" > case< / span > kWebMIdDiscardPadding: {< / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keywordflow" > if< / span > (discard_padding_set_ || size < = 0 || size > 8)< / div >
< div class = "line" > < a name = "l00289" > < / a > < span class = "lineno" > 289< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   discard_padding_set_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "comment" > // Read in the big-endian integer.< / span > < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   discard_padding_ = < span class = "keyword" > static_cast< < / span > int8_t< span class = "keyword" > > < / span > (data[0]);< / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < size; ++i)< / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   discard_padding_ = (discard_padding_ < < 8) | data[i];< / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   }< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   }< / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   }< / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::OnBlock(< span class = "keywordtype" > bool< / span > is_simple_block,< / div >
< div class = "line" > < a name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordtype" > int< / span > track_num,< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   < span class = "keywordtype" > int< / span > timecode,< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   < span class = "keywordtype" > int< / span > block_duration,< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   < span class = "keywordtype" > int< / span > flags,< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "keyword" > const< / span > uint8_t* data,< / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "keywordtype" > int< / span > size,< / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   < span class = "keyword" > const< / span > uint8_t* additional,< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   < span class = "keywordtype" > int< / span > additional_size,< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   int64_t discard_padding) {< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   DCHECK_GE(size, 0);< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < span class = "keywordflow" > if< / span > (cluster_timecode_ == -1) {< / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Got a block before cluster timecode." < / span > ;< / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   }< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "comment" > // TODO: Should relative negative timecode offsets be rejected? Or only when< / span > < / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "comment" > // the absolute timecode is negative? See http://crbug.com/271794< / span > < / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "keywordflow" > if< / span > (timecode < 0) {< / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Got a block with negative timecode offset " < / span > < < timecode;< / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   }< / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "keywordflow" > if< / span > (last_block_timecode_ != -1 & & timecode < last_block_timecode_) {< / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Got a block with a timecode before the previous block." < / span > ;< / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   }< / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   < / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   Track* track = NULL;< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   StreamType stream_type = kStreamUnknown;< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   std::string encryption_key_id;< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > if< / span > (track_num == audio_.track_num()) {< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   track = & audio_;< / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   encryption_key_id = audio_encryption_key_id_;< / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   stream_type = kStreamAudio;< / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (track_num == video_.track_num()) {< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   track = & video_;< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   encryption_key_id = video_encryption_key_id_;< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   stream_type = kStreamVideo;< / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ignored_tracks_.find(track_num) != ignored_tracks_.end()) {< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (Track* < span class = "keyword" > const< / span > text_track = FindTextTrack(track_num)) {< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < span class = "keywordflow" > if< / span > (is_simple_block) < span class = "comment" > // BlockGroup is required for WebVTT cues< / span > < / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   < span class = "keywordflow" > if< / span > (block_duration < 0) < span class = "comment" > // not specified< / span > < / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   track = text_track;< / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   stream_type = kStreamText;< / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00353" > < / a > < span class = "lineno" > 353< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Unexpected track number " < / span > < < track_num;< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   }< / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   DCHECK_NE(stream_type, kStreamUnknown);< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   < / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   last_block_timecode_ = timecode;< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   < / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   int64_t timestamp = (cluster_timecode_ + timecode) * timecode_multiplier_;< / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   scoped_refptr< MediaSample> buffer;< / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "keywordflow" > if< / span > (stream_type != kStreamText) {< / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "comment" > // The first bit of the flags is set when a SimpleBlock contains only< / span > < / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "comment" > // keyframes. If this is a Block, then inspection of the payload is< / span > < / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "comment" > // necessary to determine whether it contains a keyframe or not.< / span > < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "comment" > // http://www.matroska.org/technical/specs/index.html< / span > < / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < span class = "keywordtype" > bool< / span > is_keyframe =< / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   is_simple_block< / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   ? (flags & 0x80) != 0< / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   : IsKeyframe(stream_type == kStreamVideo,< / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   video_stream_info_ ? video_stream_info_-> codec()< / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   : kUnknownVideoCodec,< / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   data, size);< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   < / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   < span class = "comment" > // Every encrypted Block has a signal byte and IV prepended to it. Current< / span > < / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   < span class = "comment" > // encrypted WebM request for comments specification is here< / span > < / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   < span class = "comment" > // http://wiki.webmproject.org/encryption/webm-encryption-rfc< / span > < / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   scoped_ptr< DecryptConfig> decrypt_config;< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   < span class = "keywordtype" > int< / span > data_offset = 0;< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "keywordflow" > if< / span > (!encryption_key_id.empty() & & < / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   !WebMCreateDecryptConfig(< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   data, size,< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   reinterpret_cast< const uint8_t*> (encryption_key_id.data()),< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   encryption_key_id.size(),< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   & decrypt_config, & data_offset)) {< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   }< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   buffer = < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#a3fac8e4cc8da3b34ef5f698411ec868b" > MediaSample::CopyFrom< / a > (data + data_offset, size - data_offset,< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   additional, additional_size, is_keyframe);< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "comment" > // An empty iv indicates that this sample is not encrypted.< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "keywordflow" > if< / span > (decrypt_config & & !decrypt_config-> iv().empty()) {< / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "keywordflow" > if< / span > (!decryptor_source_) {< / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Encrypted media sample encountered, but decryption is " < / span > < / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "stringliteral" > " not enabled" < / span > ;< / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   }< / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < span class = "keywordflow" > if< / span > (!decryptor_source_-> DecryptSampleBuffer(decrypt_config.get(),< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   buffer-> writable_data(),< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   buffer-> data_size())) {< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Cannot decrypt samples" < / span > ;< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   }< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   }< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   std::string id, settings, content;< / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   < a class = "code" href = "../../d4/d59/classshaka_1_1media_1_1WebMWebVTTParser.html#a4e6f754e4fba24f7ea77fd0db959908b" > WebMWebVTTParser::Parse< / a > (data, size, & < span class = "keywordtype" > id< / span > , & settings, & content);< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   < / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   std::vector< uint8_t> side_data;< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   MakeSideData(< span class = "keywordtype" > id< / span > .begin(), < span class = "keywordtype" > id< / span > .end(),< / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   settings.begin(), settings.end(),< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   & side_data);< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < / div >
2016-05-24 23:43:16 +00:00
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   buffer = < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#a3fac8e4cc8da3b34ef5f698411ec868b" > MediaSample::CopyFrom< / a > (< / div >
2016-01-23 02:38:43 +00:00
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   reinterpret_cast< const uint8_t*> (content.data()), content.length(),< / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   & side_data[0], side_data.size(), < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   }< / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   buffer-> set_dts(timestamp);< / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   buffer-> set_pts(timestamp);< / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   < span class = "keywordflow" > if< / span > (cluster_start_time_ == kNoTimestamp)< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   cluster_start_time_ = timestamp;< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   buffer-> set_duration(block_duration > 0< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   ? (block_duration * timecode_multiplier_)< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   : kNoTimestamp);< / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < span class = "keywordflow" > if< / span > (!init_cb_.is_null() & & !initialized_) {< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   std::vector< scoped_refptr< StreamInfo> > streams;< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "keywordflow" > if< / span > (audio_stream_info_)< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   streams.push_back(audio_stream_info_);< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   < span class = "keywordflow" > if< / span > (video_stream_info_) {< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   < span class = "keywordflow" > if< / span > (stream_type == kStreamVideo) {< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   scoped_ptr< VPxParser> vpx_parser;< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   < span class = "keywordflow" > switch< / span > (video_stream_info_-> codec()) {< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "keywordflow" > case< / span > kCodecVP8:< / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   vpx_parser.reset(< span class = "keyword" > new< / span > VP8Parser);< / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   < span class = "keywordflow" > case< / span > kCodecVP9:< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   vpx_parser.reset(< span class = "keyword" > new< / span > VP9Parser);< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   NOTIMPLEMENTED() < < < span class = "stringliteral" > " Unsupported codec " < / span > < / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < < video_stream_info_-> codec();< / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   }< / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   std::vector< VPxFrameInfo> vpx_frames;< / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "keywordflow" > if< / span > (!vpx_parser-> Parse(buffer-> data(), buffer-> data_size(),< / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   & vpx_frames)) {< / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Failed to parse vpx frame." < / span > ;< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   }< / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < span class = "keywordflow" > if< / span > (vpx_frames.size() != 1u || !vpx_frames[0].is_keyframe) {< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   LOG(ERROR) < < < span class = "stringliteral" > " The first frame should be a key frame." < / span > ;< / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   }< / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < / div >
2016-06-22 16:48:19 +00:00
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   VPCodecConfigurationRecord codec_config;< / div >
2016-06-27 23:03:28 +00:00
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < span class = "keywordflow" > if< / span > (!video_stream_info_-> codec_config().empty())< / div >
2016-06-30 19:53:16 +00:00
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   codec_config.ParseWebM(video_stream_info_-> codec_config());< / div >
2016-06-22 16:48:19 +00:00
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   codec_config.MergeFrom(vpx_parser-> codec_config());< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   video_stream_info_-> set_codec_string(< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   codec_config.GetCodecString(video_stream_info_-> codec()));< / div >
2016-06-27 23:03:28 +00:00
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   std::vector< uint8_t> config_serialized;< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   codec_config.WriteMP4(& config_serialized);< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   video_stream_info_-> set_codec_config(config_serialized);< / div >
2016-06-22 16:48:19 +00:00
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   streams.push_back(video_stream_info_);< / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   init_cb_.Run(streams);< / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   initialized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   }< / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   init_cb_.Run(streams);< / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   initialized_ = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   }< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   }< / div >
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< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   < / div >
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< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordflow" > return< / span > track-> EmitBuffer(buffer);< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   }< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   WebMClusterParser::Track::Track(< span class = "keywordtype" > int< / span > track_num,< / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < span class = "keywordtype" > bool< / span > is_video,< / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   int64_t default_duration,< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891" > MediaParser::NewSampleCB< / a > & new_sample_cb)< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   : track_num_(track_num),< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   is_video_(is_video),< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   default_duration_(default_duration),< / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   estimated_next_frame_duration_(kNoTimestamp),< / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   new_sample_cb_(new_sample_cb) {< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   DCHECK(default_duration_ == kNoTimestamp || default_duration_ > 0);< / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   }< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   < / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   WebMClusterParser::Track::~Track() {}< / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::Track::EmitBuffer(< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   < span class = "keyword" > const< / span > scoped_refptr< MediaSample> & buffer) {< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   DVLOG(2) < < < span class = "stringliteral" > " EmitBuffer() : " < / span > < < track_num_< / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < < < span class = "stringliteral" > " ts " < / span > < < buffer-> pts()< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   < < < span class = "stringliteral" > " dur " < / span > < < buffer-> duration()< / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < < < span class = "stringliteral" > " kf " < / span > < < buffer-> is_key_frame()< / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < < < span class = "stringliteral" > " size " < / span > < < buffer-> data_size();< / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "keywordflow" > if< / span > (last_added_buffer_missing_duration_.get()) {< / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   int64_t derived_duration =< / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   buffer-> pts() - last_added_buffer_missing_duration_-> pts();< / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   last_added_buffer_missing_duration_-> set_duration(derived_duration);< / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   DVLOG(2) < < < span class = "stringliteral" > " EmitBuffer() : applied derived duration to held-back buffer : " < / span > < / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   < < < span class = "stringliteral" > " ts " < / span > < / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   < < last_added_buffer_missing_duration_-> pts()< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   < < < span class = "stringliteral" > " dur " < / span > < / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < < last_added_buffer_missing_duration_-> duration()< / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   < < < span class = "stringliteral" > " kf " < / span > < < last_added_buffer_missing_duration_-> is_key_frame()< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   < < < span class = "stringliteral" > " size " < / span > < < last_added_buffer_missing_duration_-> data_size();< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   scoped_refptr< MediaSample> updated_buffer =< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   last_added_buffer_missing_duration_;< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   last_added_buffer_missing_duration_ = NULL;< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   < span class = "keywordflow" > if< / span > (!EmitBufferHelp(updated_buffer))< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   }< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   < span class = "keywordflow" > if< / span > (buffer-> duration() == kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   last_added_buffer_missing_duration_ = buffer;< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   DVLOG(2) < < < span class = "stringliteral" > " EmitBuffer() : holding back buffer that is missing duration" < / span > ;< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   }< / div >
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< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   < / div >
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< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < span class = "keywordflow" > return< / span > EmitBufferHelp(buffer);< / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   }< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   < / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::Track::ApplyDurationEstimateIfNeeded() {< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   < span class = "keywordflow" > if< / span > (!last_added_buffer_missing_duration_.get())< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
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< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < / div >
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< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   int64_t estimated_duration = GetDurationEstimate();< / div >
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   last_added_buffer_missing_duration_-> set_duration(estimated_duration);< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   VLOG(1) < < < span class = "stringliteral" > " Track " < / span > < < track_num_ < < < span class = "stringliteral" > " : Estimating WebM block duration to be " < / span > < / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < < estimated_duration / 1000< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   < < < span class = "stringliteral" > " ms for the last (Simple)Block in the Cluster for this Track. Use " < / span > < / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   < span class = "stringliteral" > " BlockGroups with BlockDurations at the end of each Track in a " < / span > < / div >
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < span class = "stringliteral" > " Cluster to avoid estimation." < / span > ;< / div >
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   DVLOG(2) < < < span class = "stringliteral" > " new dur : ts " < / span > < < last_added_buffer_missing_duration_-> pts()< / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   < < < span class = "stringliteral" > " dur " < / span > < < last_added_buffer_missing_duration_-> duration()< / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   < < < span class = "stringliteral" > " kf " < / span > < < last_added_buffer_missing_duration_-> is_key_frame()< / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < < < span class = "stringliteral" > " size " < / span > < < last_added_buffer_missing_duration_-> data_size();< / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "comment" > // Don' t use the applied duration as a future estimation (don' t use< / span > < / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   < span class = "comment" > // EmitBufferHelp() here.)< / span > < / div >
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   < span class = "keywordflow" > if< / span > (!new_sample_cb_.Run(track_num_, last_added_buffer_missing_duration_))< / div >
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   last_added_buffer_missing_duration_ = NULL;< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   }< / div >
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < / div >
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < span class = "keywordtype" > void< / span > WebMClusterParser::Track::Reset() {< / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   last_added_buffer_missing_duration_ = NULL;< / div >
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   }< / div >
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   < / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   < span class = "keywordtype" > bool< / span > WebMClusterParser::Track::EmitBufferHelp(< / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   < span class = "keyword" > const< / span > scoped_refptr< MediaSample> & buffer) {< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   DCHECK(!last_added_buffer_missing_duration_.get());< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   int64_t duration = buffer-> duration();< / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "keywordflow" > if< / span > (duration < 0 || duration == kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   LOG(ERROR) < < < span class = "stringliteral" > " Invalid buffer duration: " < / span > < < duration;< / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   }< / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   < span class = "comment" > // The estimated frame duration is the maximum non-zero duration since the< / span > < / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   < span class = "comment" > // last initialization segment.< / span > < / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   < span class = "keywordflow" > if< / span > (duration > 0) {< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   int64_t orig_duration_estimate = estimated_next_frame_duration_;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < span class = "keywordflow" > if< / span > (estimated_next_frame_duration_ == kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   estimated_next_frame_duration_ = duration;< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   estimated_next_frame_duration_ =< / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   std::max(duration, estimated_next_frame_duration_);< / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   }< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   < / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   < span class = "keywordflow" > if< / span > (orig_duration_estimate != estimated_next_frame_duration_) {< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   DVLOG(3) < < < span class = "stringliteral" > " Updated duration estimate:" < / span > < / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   < < orig_duration_estimate< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   < < < span class = "stringliteral" > " -> " < / span > < / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < < estimated_next_frame_duration_< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   < < < span class = "stringliteral" > " at timestamp: " < / span > < / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   < < buffer-> dts();< / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   }< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   }< / div >
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< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < / div >
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< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < span class = "keywordflow" > return< / span > new_sample_cb_.Run(track_num_, buffer);< / div >
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   }< / div >
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   < / div >
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   int64_t WebMClusterParser::Track::GetDurationEstimate() {< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   int64_t duration = kNoTimestamp;< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "keywordflow" > if< / span > (default_duration_ != kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   duration = default_duration_;< / div >
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   DVLOG(3) < < __FUNCTION__ < < < span class = "stringliteral" > " : using track default duration " < / span > < < duration;< / div >
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (estimated_next_frame_duration_ != kNoTimestamp) {< / div >
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   duration = estimated_next_frame_duration_;< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   DVLOG(3) < < __FUNCTION__ < < < span class = "stringliteral" > " : using estimated duration " < / span > < < duration;< / div >
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < span class = "keywordflow" > if< / span > (is_video_) {< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   duration = kDefaultVideoBufferDurationInMs * kMicrosecondsPerMillisecond;< / div >
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   duration = kDefaultAudioBufferDurationInMs * kMicrosecondsPerMillisecond;< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   }< / div >
< div class = "line" > < a name = "l00610" > < / a > < span class = "lineno" > 610< / span >   DVLOG(3) < < __FUNCTION__ < < < span class = "stringliteral" > " : using hardcoded default duration " < / span > < / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   < < duration;< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   }< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   DCHECK_GT(duration, 0);< / div >
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   DCHECK_NE(duration, kNoTimestamp);< / div >
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   < span class = "keywordflow" > return< / span > duration;< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   }< / div >
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < / div >
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   < span class = "keywordtype" > void< / span > WebMClusterParser::ResetTextTracks() {< / div >
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordflow" > for< / span > (TextTrackMap::iterator it = text_track_map_.begin();< / div >
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   it != text_track_map_.end();< / div >
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   ++it) {< / div >
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   it-> second.Reset();< / div >
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   }< / div >
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   }< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   < / div >
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   WebMClusterParser::Track*< / div >
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   WebMClusterParser::FindTextTrack(< span class = "keywordtype" > int< / span > track_num) {< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   < span class = "keyword" > const< / span > TextTrackMap::iterator it = text_track_map_.find(track_num);< / div >
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< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   < / div >
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< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < span class = "keywordflow" > if< / span > (it == text_track_map_.end())< / div >
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   < span class = "keywordflow" > return< / span > NULL;< / div >
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< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   < / div >
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< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   < span class = "keywordflow" > return< / span > & it-> second;< / div >
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   }< / div >
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   < / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1VP9Parser_html_a52e6a17fa34c5676cd0cdc547cb355a5" > < div class = "ttname" > < a href = "../../db/d5a/classshaka_1_1media_1_1VP9Parser.html#a52e6a17fa34c5676cd0cdc547cb355a5" > shaka::media::VP9Parser::IsKeyframe< / a > < / div > < div class = "ttdeci" > static bool IsKeyframe(const uint8_t *data, size_t data_size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d8a/vp9__parser_8cc_source.html#l00535" > vp9_parser.cc:535< / a > < / div > < / div >
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< div class = "ttc" id = "classshaka_1_1media_1_1MediaParser_html_a95d25a50ad371304f1abce9971ce3704" > < div class = "ttname" > < a href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a95d25a50ad371304f1abce9971ce3704" > shaka::media::MediaParser::InitCB< / a > < / div > < div class = "ttdeci" > base::Callback< void(const std::vector< scoped_refptr< StreamInfo > > & stream_info)> InitCB< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d12/media__parser_8h_source.html#l00035" > media_parser.h:35< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMClusterParser_html_aba1bae97c2d96181027e43b0a1993e67" > < div class = "ttname" > < a href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#aba1bae97c2d96181027e43b0a1993e67" > shaka::media::WebMClusterParser::Parse< / a > < / div > < div class = "ttdeci" > int Parse(const uint8_t *buf, int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d8f/webm__cluster__parser_8cc_source.html#l00114" > webm_cluster_parser.cc:114< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMListParser_html_a4ebac4e1a4165017d206d4aa5c4c0350" > < div class = "ttname" > < a href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#a4ebac4e1a4165017d206d4aa5c4c0350" > shaka::media::WebMListParser::Reset< / a > < / div > < div class = "ttdeci" > void Reset()< / div > < div class = "ttdoc" > Resets the state of the parser so it can start parsing a new list. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/db6/webm__parser_8cc_source.html#l00714" > webm_parser.cc:714< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMListParser_html_acd805b7eb25afcd9a3be2d8d88e3c6af" > < div class = "ttname" > < a href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#acd805b7eb25afcd9a3be2d8d88e3c6af" > shaka::media::WebMListParser::Parse< / a > < / div > < div class = "ttdeci" > int Parse(const uint8_t *buf, int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/db6/webm__parser_8cc_source.html#l00719" > webm_parser.cc:719< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMClusterParser_html_ac3d4be1a12667ed722915be727747eee" > < div class = "ttname" > < a href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#ac3d4be1a12667ed722915be727747eee" > shaka::media::WebMClusterParser::Flush< / a > < / div > < div class = "ttdeci" > bool Flush() WARN_UNUSED_RESULT< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d8f/webm__cluster__parser_8cc_source.html#l00106" > webm_cluster_parser.cc:106< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMWebVTTParser_html_a4e6f754e4fba24f7ea77fd0db959908b" > < div class = "ttname" > < a href = "../../d4/d59/classshaka_1_1media_1_1WebMWebVTTParser.html#a4e6f754e4fba24f7ea77fd0db959908b" > shaka::media::WebMWebVTTParser::Parse< / a > < / div > < div class = "ttdeci" > static void Parse(const uint8_t *payload, int payload_size, std::string *id, std::string *settings, std::string *content)< / div > < div class = "ttdoc" > Utility function to parse the WebVTT cue from a byte stream. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/dc1/webm__webvtt__parser_8cc_source.html#l00010" > webm_webvtt_parser.cc:10< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1VP8Parser_html_afae2dcb0c2652d53f2e23c9d3c07db37" > < div class = "ttname" > < a href = "../../d8/d14/classshaka_1_1media_1_1VP8Parser.html#afae2dcb0c2652d53f2e23c9d3c07db37" > shaka::media::VP8Parser::IsKeyframe< / a > < / div > < div class = "ttdeci" > static bool IsKeyframe(const uint8_t *data, size_t data_size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d70/vp8__parser_8cc_source.html#l00183" > vp8_parser.cc:183< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MediaParser_html_a0ac13291317f7d3d9175c4e91e57b891" > < div class = "ttname" > < a href = "../../d3/d0a/classshaka_1_1media_1_1MediaParser.html#a0ac13291317f7d3d9175c4e91e57b891" > shaka::media::MediaParser::NewSampleCB< / a > < / div > < div class = "ttdeci" > base::Callback< bool(uint32_t track_id, const scoped_refptr< MediaSample > & media_sample)> NewSampleCB< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d12/media__parser_8h_source.html#l00044" > media_parser.h:44< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / div > < div class = "ttdoc" > KeySource is responsible for encryption key acquisition. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00031" > key_source.h:31< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MediaSample_html_a3fac8e4cc8da3b34ef5f698411ec868b" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#a3fac8e4cc8da3b34ef5f698411ec868b" > shaka::media::MediaSample::CopyFrom< / a > < / div > < div class = "ttdeci" > static scoped_refptr< 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#l00045" > media_sample.cc:45< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMClusterParser_html_a8a7c7e7ac6a5da1cd45ab50f914f6826" > < div class = "ttname" > < a href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#a8a7c7e7ac6a5da1cd45ab50f914f6826" > shaka::media::WebMClusterParser::WebMClusterParser< / a > < / div > < div class = "ttdeci" > WebMClusterParser(int64_t timecode_scale, scoped_refptr< AudioStreamInfo > audio_stream_info, scoped_refptr< VideoStreamInfo > video_stream_info, int64_t audio_default_duration, int64_t video_default_duration, const WebMTracksParser::TextTracks & text_tracks, const std::set< int64_t > & ignored_tracks, const std::string & audio_encryption_key_id, const std::string & video_encryption_key_id, const MediaParser::NewSampleCB & new_sample_cb, const MediaParser::InitCB & init_cb, KeySource *decryption_key_source)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d8f/webm__cluster__parser_8cc_source.html#l00052" > webm_cluster_parser.cc:52< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMListParser_html_acf786fc2e07143c3f1a481401240d105" > < div class = "ttname" > < a href = "../../dc/dca/classshaka_1_1media_1_1WebMListParser.html#acf786fc2e07143c3f1a481401240d105" > shaka::media::WebMListParser::IsParsingComplete< / a > < / div > < div class = "ttdeci" > bool IsParsingComplete() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/db6/webm__parser_8cc_source.html#l00803" > webm_parser.cc:803< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1DecryptorSource_html" > < div class = "ttname" > < a href = "../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html" > shaka::media::DecryptorSource< / a > < / div > < div class = "ttdoc" > DecryptorSource wraps KeySource and is responsible for decryptor management. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d7d/decryptor__source_8h_source.html#l00021" > decryptor_source.h:21< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMParserClient_html" > < div class = "ttname" > < a href = "../../d5/dec/classshaka_1_1media_1_1WebMParserClient.html" > shaka::media::WebMParserClient< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dd/d46/webm__parser_8h_source.html#l00030" > webm_parser.h:30< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1WebMClusterParser_html_abb306c3299a7279125b8f321ef5bbc94" > < div class = "ttname" > < a href = "../../da/de4/classshaka_1_1media_1_1WebMClusterParser.html#abb306c3299a7279125b8f321ef5bbc94" > shaka::media::WebMClusterParser::Reset< / a > < / div > < div class = "ttdeci" > void Reset()< / div > < div class = "ttdoc" > Resets the parser state so it can accept a new cluster. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d8f/webm__cluster__parser_8cc_source.html#l00095" > webm_cluster_parser.cc:95< / a > < / div > < / div >
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2016-08-11 22:33:29 +00:00
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2015-10-19 17:27:30 +00:00
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